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-21
@@ -1,21 +0,0 @@
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'use strict';
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var elliptic = exports;
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// hello ladies ;)
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function inherits (ctor, superCtor) {
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ctor.super_ = superCtor;
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var TempCtor = function () {};
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TempCtor.prototype = superCtor.prototype;
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ctor.prototype = new TempCtor();
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ctor.prototype.constructor = ctor;
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}
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elliptic.inherits = inherits
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elliptic.version = '6.5.0';
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elliptic.utils = require('./elliptic/utils');
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elliptic.curve = require('./elliptic/curve');
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elliptic.curves = require('./elliptic/curves');
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// Protocols
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elliptic.ec = require('./elliptic/ec');
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Generated
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-375
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'use strict';
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var BN = require('../../../../BN/bn');
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var elliptic = require('../../elliptic');
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var utils = elliptic.utils;
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var getNAF = utils.getNAF;
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var getJSF = utils.getJSF;
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var assert = utils.assert;
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function BaseCurve(type, conf) {
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this.type = type;
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this.p = new BN(conf.p, 16);
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// Use Montgomery, when there is no fast reduction for the prime
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this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
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// Useful for many curves
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this.zero = new BN(0).toRed(this.red);
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this.one = new BN(1).toRed(this.red);
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this.two = new BN(2).toRed(this.red);
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// Curve configuration, optional
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this.n = conf.n && new BN(conf.n, 16);
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this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
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// Temporary arrays
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this._wnafT1 = new Array(4);
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this._wnafT2 = new Array(4);
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this._wnafT3 = new Array(4);
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this._wnafT4 = new Array(4);
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// Generalized Greg Maxwell's trick
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var adjustCount = this.n && this.p.div(this.n);
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if (!adjustCount || adjustCount.cmpn(100) > 0) {
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this.redN = null;
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} else {
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this._maxwellTrick = true;
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this.redN = this.n.toRed(this.red);
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}
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}
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module.exports = BaseCurve;
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BaseCurve.prototype.point = function point() {
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throw new Error('Not implemented');
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};
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BaseCurve.prototype.validate = function validate() {
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throw new Error('Not implemented');
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};
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BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
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assert(p.precomputed);
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var doubles = p._getDoubles();
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var naf = getNAF(k, 1);
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var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
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I /= 3;
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// Translate into more windowed form
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var repr = [];
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for (var j = 0; j < naf.length; j += doubles.step) {
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var nafW = 0;
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for (var k = j + doubles.step - 1; k >= j; k--)
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nafW = (nafW << 1) + naf[k];
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repr.push(nafW);
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}
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var a = this.jpoint(null, null, null);
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var b = this.jpoint(null, null, null);
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for (var i = I; i > 0; i--) {
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for (var j = 0; j < repr.length; j++) {
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var nafW = repr[j];
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if (nafW === i)
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b = b.mixedAdd(doubles.points[j]);
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else if (nafW === -i)
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b = b.mixedAdd(doubles.points[j].neg());
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}
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a = a.add(b);
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}
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return a.toP();
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};
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BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
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var w = 4;
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// Precompute window
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var nafPoints = p._getNAFPoints(w);
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w = nafPoints.wnd;
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var wnd = nafPoints.points;
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// Get NAF form
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var naf = getNAF(k, w);
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// Add `this`*(N+1) for every w-NAF index
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var acc = this.jpoint(null, null, null);
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for (var i = naf.length - 1; i >= 0; i--) {
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// Count zeroes
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for (var k = 0; i >= 0 && naf[i] === 0; i--)
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k++;
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if (i >= 0)
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k++;
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acc = acc.dblp(k);
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if (i < 0)
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break;
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var z = naf[i];
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assert(z !== 0);
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if (p.type === 'affine') {
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// J +- P
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if (z > 0)
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acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
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else
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acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
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} else {
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// J +- J
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if (z > 0)
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acc = acc.add(wnd[(z - 1) >> 1]);
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else
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acc = acc.add(wnd[(-z - 1) >> 1].neg());
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}
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}
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return p.type === 'affine' ? acc.toP() : acc;
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};
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BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
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points,
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coeffs,
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len,
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jacobianResult) {
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var wndWidth = this._wnafT1;
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var wnd = this._wnafT2;
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var naf = this._wnafT3;
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// Fill all arrays
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var max = 0;
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for (var i = 0; i < len; i++) {
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var p = points[i];
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var nafPoints = p._getNAFPoints(defW);
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wndWidth[i] = nafPoints.wnd;
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wnd[i] = nafPoints.points;
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}
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// Comb small window NAFs
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for (var i = len - 1; i >= 1; i -= 2) {
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var a = i - 1;
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var b = i;
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if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
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naf[a] = getNAF(coeffs[a], wndWidth[a]);
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naf[b] = getNAF(coeffs[b], wndWidth[b]);
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max = Math.max(naf[a].length, max);
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max = Math.max(naf[b].length, max);
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continue;
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}
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var comb = [
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points[a], /* 1 */
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null, /* 3 */
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null, /* 5 */
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points[b] /* 7 */
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];
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// Try to avoid Projective points, if possible
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if (points[a].y.cmp(points[b].y) === 0) {
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comb[1] = points[a].add(points[b]);
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comb[2] = points[a].toJ().mixedAdd(points[b].neg());
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} else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
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comb[1] = points[a].toJ().mixedAdd(points[b]);
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comb[2] = points[a].add(points[b].neg());
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} else {
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comb[1] = points[a].toJ().mixedAdd(points[b]);
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comb[2] = points[a].toJ().mixedAdd(points[b].neg());
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}
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var index = [
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-3, /* -1 -1 */
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-1, /* -1 0 */
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-5, /* -1 1 */
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-7, /* 0 -1 */
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0, /* 0 0 */
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7, /* 0 1 */
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5, /* 1 -1 */
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1, /* 1 0 */
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3 /* 1 1 */
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];
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var jsf = getJSF(coeffs[a], coeffs[b]);
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max = Math.max(jsf[0].length, max);
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naf[a] = new Array(max);
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naf[b] = new Array(max);
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for (var j = 0; j < max; j++) {
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var ja = jsf[0][j] | 0;
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var jb = jsf[1][j] | 0;
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naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
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naf[b][j] = 0;
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wnd[a] = comb;
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}
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}
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var acc = this.jpoint(null, null, null);
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var tmp = this._wnafT4;
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for (var i = max; i >= 0; i--) {
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var k = 0;
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while (i >= 0) {
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var zero = true;
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for (var j = 0; j < len; j++) {
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tmp[j] = naf[j][i] | 0;
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if (tmp[j] !== 0)
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zero = false;
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}
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if (!zero)
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break;
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k++;
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i--;
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}
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if (i >= 0)
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k++;
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acc = acc.dblp(k);
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if (i < 0)
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break;
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for (var j = 0; j < len; j++) {
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var z = tmp[j];
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var p;
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if (z === 0)
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continue;
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else if (z > 0)
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p = wnd[j][(z - 1) >> 1];
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else if (z < 0)
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p = wnd[j][(-z - 1) >> 1].neg();
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if (p.type === 'affine')
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acc = acc.mixedAdd(p);
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else
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acc = acc.add(p);
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}
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}
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// Zeroify references
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for (var i = 0; i < len; i++)
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wnd[i] = null;
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if (jacobianResult)
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return acc;
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else
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return acc.toP();
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};
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function BasePoint(curve, type) {
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this.curve = curve;
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this.type = type;
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this.precomputed = null;
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}
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BaseCurve.BasePoint = BasePoint;
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BasePoint.prototype.eq = function eq(/*other*/) {
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throw new Error('Not implemented');
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};
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BasePoint.prototype.validate = function validate() {
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return this.curve.validate(this);
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};
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BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
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bytes = utils.toArray(bytes, enc);
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var len = this.p.byteLength();
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// uncompressed, hybrid-odd, hybrid-even
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if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
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bytes.length - 1 === 2 * len) {
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if (bytes[0] === 0x06)
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assert(bytes[bytes.length - 1] % 2 === 0);
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else if (bytes[0] === 0x07)
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assert(bytes[bytes.length - 1] % 2 === 1);
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var res = this.point(bytes.slice(1, 1 + len),
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bytes.slice(1 + len, 1 + 2 * len));
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return res;
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} else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
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bytes.length - 1 === len) {
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return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
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}
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throw new Error('Unknown point format');
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};
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BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
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return this.encode(enc, true);
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};
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BasePoint.prototype._encode = function _encode(compact) {
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var len = this.curve.p.byteLength();
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var x = this.getX().toArray('be', len);
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if (compact)
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return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
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||||
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return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
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};
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BasePoint.prototype.encode = function encode(enc, compact) {
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return utils.encode(this._encode(compact), enc);
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};
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BasePoint.prototype.precompute = function precompute(power) {
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if (this.precomputed)
|
||||
return this;
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var precomputed = {
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||||
doubles: null,
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naf: null,
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beta: null
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};
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precomputed.naf = this._getNAFPoints(8);
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precomputed.doubles = this._getDoubles(4, power);
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precomputed.beta = this._getBeta();
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this.precomputed = precomputed;
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||||
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return this;
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};
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BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
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if (!this.precomputed)
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return false;
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var doubles = this.precomputed.doubles;
|
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if (!doubles)
|
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return false;
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|
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return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
|
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};
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BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
|
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if (this.precomputed && this.precomputed.doubles)
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return this.precomputed.doubles;
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|
||||
var doubles = [ this ];
|
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var acc = this;
|
||||
for (var i = 0; i < power; i += step) {
|
||||
for (var j = 0; j < step; j++)
|
||||
acc = acc.dbl();
|
||||
doubles.push(acc);
|
||||
}
|
||||
return {
|
||||
step: step,
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points: doubles
|
||||
};
|
||||
};
|
||||
|
||||
BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
|
||||
if (this.precomputed && this.precomputed.naf)
|
||||
return this.precomputed.naf;
|
||||
|
||||
var res = [ this ];
|
||||
var max = (1 << wnd) - 1;
|
||||
var dbl = max === 1 ? null : this.dbl();
|
||||
for (var i = 1; i < max; i++)
|
||||
res[i] = res[i - 1].add(dbl);
|
||||
return {
|
||||
wnd: wnd,
|
||||
points: res
|
||||
};
|
||||
};
|
||||
|
||||
BasePoint.prototype._getBeta = function _getBeta() {
|
||||
return null;
|
||||
};
|
||||
|
||||
BasePoint.prototype.dblp = function dblp(k) {
|
||||
var r = this;
|
||||
for (var i = 0; i < k; i++)
|
||||
r = r.dbl();
|
||||
return r;
|
||||
};
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||||
Generated
Vendored
-433
@@ -1,433 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var curve = require('../curve');
|
||||
var elliptic = require('../../elliptic');
|
||||
var BN = require('../../../../BN/bn');
|
||||
var inherits = elliptic.inherits;
|
||||
var Base = curve.base;
|
||||
|
||||
var assert = elliptic.utils.assert;
|
||||
|
||||
function EdwardsCurve(conf) {
|
||||
// NOTE: Important as we are creating point in Base.call()
|
||||
this.twisted = (conf.a | 0) !== 1;
|
||||
this.mOneA = this.twisted && (conf.a | 0) === -1;
|
||||
this.extended = this.mOneA;
|
||||
|
||||
Base.call(this, 'edwards', conf);
|
||||
|
||||
this.a = new BN(conf.a, 16).umod(this.red.m);
|
||||
this.a = this.a.toRed(this.red);
|
||||
this.c = new BN(conf.c, 16).toRed(this.red);
|
||||
this.c2 = this.c.redSqr();
|
||||
this.d = new BN(conf.d, 16).toRed(this.red);
|
||||
this.dd = this.d.redAdd(this.d);
|
||||
|
||||
assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
|
||||
this.oneC = (conf.c | 0) === 1;
|
||||
}
|
||||
inherits(EdwardsCurve, Base);
|
||||
module.exports = EdwardsCurve;
|
||||
|
||||
EdwardsCurve.prototype._mulA = function _mulA(num) {
|
||||
if (this.mOneA)
|
||||
return num.redNeg();
|
||||
else
|
||||
return this.a.redMul(num);
|
||||
};
|
||||
|
||||
EdwardsCurve.prototype._mulC = function _mulC(num) {
|
||||
if (this.oneC)
|
||||
return num;
|
||||
else
|
||||
return this.c.redMul(num);
|
||||
};
|
||||
|
||||
// Just for compatibility with Short curve
|
||||
EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
|
||||
return this.point(x, y, z, t);
|
||||
};
|
||||
|
||||
EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
|
||||
x = new BN(x, 16);
|
||||
if (!x.red)
|
||||
x = x.toRed(this.red);
|
||||
|
||||
var x2 = x.redSqr();
|
||||
var rhs = this.c2.redSub(this.a.redMul(x2));
|
||||
var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
|
||||
|
||||
var y2 = rhs.redMul(lhs.redInvm());
|
||||
var y = y2.redSqrt();
|
||||
if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
|
||||
throw new Error('invalid point');
|
||||
|
||||
var isOdd = y.fromRed().isOdd();
|
||||
if (odd && !isOdd || !odd && isOdd)
|
||||
y = y.redNeg();
|
||||
|
||||
return this.point(x, y);
|
||||
};
|
||||
|
||||
EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
|
||||
y = new BN(y, 16);
|
||||
if (!y.red)
|
||||
y = y.toRed(this.red);
|
||||
|
||||
// x^2 = (y^2 - 1) / (d y^2 + 1)
|
||||
var y2 = y.redSqr();
|
||||
var lhs = y2.redSub(this.one);
|
||||
var rhs = y2.redMul(this.d).redAdd(this.one);
|
||||
var x2 = lhs.redMul(rhs.redInvm());
|
||||
|
||||
if (x2.cmp(this.zero) === 0) {
|
||||
if (odd)
|
||||
throw new Error('invalid point');
|
||||
else
|
||||
return this.point(this.zero, y);
|
||||
}
|
||||
|
||||
var x = x2.redSqrt();
|
||||
if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
|
||||
throw new Error('invalid point');
|
||||
|
||||
if (x.isOdd() !== odd)
|
||||
x = x.redNeg();
|
||||
|
||||
return this.point(x, y);
|
||||
};
|
||||
|
||||
EdwardsCurve.prototype.validate = function validate(point) {
|
||||
if (point.isInfinity())
|
||||
return true;
|
||||
|
||||
// Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
|
||||
point.normalize();
|
||||
|
||||
var x2 = point.x.redSqr();
|
||||
var y2 = point.y.redSqr();
|
||||
var lhs = x2.redMul(this.a).redAdd(y2);
|
||||
var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
|
||||
|
||||
return lhs.cmp(rhs) === 0;
|
||||
};
|
||||
|
||||
function Point(curve, x, y, z, t) {
|
||||
Base.BasePoint.call(this, curve, 'projective');
|
||||
if (x === null && y === null && z === null) {
|
||||
this.x = this.curve.zero;
|
||||
this.y = this.curve.one;
|
||||
this.z = this.curve.one;
|
||||
this.t = this.curve.zero;
|
||||
this.zOne = true;
|
||||
} else {
|
||||
this.x = new BN(x, 16);
|
||||
this.y = new BN(y, 16);
|
||||
this.z = z ? new BN(z, 16) : this.curve.one;
|
||||
this.t = t && new BN(t, 16);
|
||||
if (!this.x.red)
|
||||
this.x = this.x.toRed(this.curve.red);
|
||||
if (!this.y.red)
|
||||
this.y = this.y.toRed(this.curve.red);
|
||||
if (!this.z.red)
|
||||
this.z = this.z.toRed(this.curve.red);
|
||||
if (this.t && !this.t.red)
|
||||
this.t = this.t.toRed(this.curve.red);
|
||||
this.zOne = this.z === this.curve.one;
|
||||
|
||||
// Use extended coordinates
|
||||
if (this.curve.extended && !this.t) {
|
||||
this.t = this.x.redMul(this.y);
|
||||
if (!this.zOne)
|
||||
this.t = this.t.redMul(this.z.redInvm());
|
||||
}
|
||||
}
|
||||
}
|
||||
inherits(Point, Base.BasePoint);
|
||||
|
||||
EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
|
||||
return Point.fromJSON(this, obj);
|
||||
};
|
||||
|
||||
EdwardsCurve.prototype.point = function point(x, y, z, t) {
|
||||
return new Point(this, x, y, z, t);
|
||||
};
|
||||
|
||||
Point.fromJSON = function fromJSON(curve, obj) {
|
||||
return new Point(curve, obj[0], obj[1], obj[2]);
|
||||
};
|
||||
|
||||
Point.prototype.inspect = function inspect() {
|
||||
if (this.isInfinity())
|
||||
return '<EC Point Infinity>';
|
||||
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
||||
' y: ' + this.y.fromRed().toString(16, 2) +
|
||||
' z: ' + this.z.fromRed().toString(16, 2) + '>';
|
||||
};
|
||||
|
||||
Point.prototype.isInfinity = function isInfinity() {
|
||||
// XXX This code assumes that zero is always zero in red
|
||||
return this.x.cmpn(0) === 0 &&
|
||||
this.y.cmp(this.z) === 0;
|
||||
};
|
||||
|
||||
Point.prototype._extDbl = function _extDbl() {
|
||||
// hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
|
||||
// #doubling-dbl-2008-hwcd
|
||||
// 4M + 4S
|
||||
|
||||
// A = X1^2
|
||||
var a = this.x.redSqr();
|
||||
// B = Y1^2
|
||||
var b = this.y.redSqr();
|
||||
// C = 2 * Z1^2
|
||||
var c = this.z.redSqr();
|
||||
c = c.redIAdd(c);
|
||||
// D = a * A
|
||||
var d = this.curve._mulA(a);
|
||||
// E = (X1 + Y1)^2 - A - B
|
||||
var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
|
||||
// G = D + B
|
||||
var g = d.redAdd(b);
|
||||
// F = G - C
|
||||
var f = g.redSub(c);
|
||||
// H = D - B
|
||||
var h = d.redSub(b);
|
||||
// X3 = E * F
|
||||
var nx = e.redMul(f);
|
||||
// Y3 = G * H
|
||||
var ny = g.redMul(h);
|
||||
// T3 = E * H
|
||||
var nt = e.redMul(h);
|
||||
// Z3 = F * G
|
||||
var nz = f.redMul(g);
|
||||
return this.curve.point(nx, ny, nz, nt);
|
||||
};
|
||||
|
||||
Point.prototype._projDbl = function _projDbl() {
|
||||
// hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
|
||||
// #doubling-dbl-2008-bbjlp
|
||||
// #doubling-dbl-2007-bl
|
||||
// and others
|
||||
// Generally 3M + 4S or 2M + 4S
|
||||
|
||||
// B = (X1 + Y1)^2
|
||||
var b = this.x.redAdd(this.y).redSqr();
|
||||
// C = X1^2
|
||||
var c = this.x.redSqr();
|
||||
// D = Y1^2
|
||||
var d = this.y.redSqr();
|
||||
|
||||
var nx;
|
||||
var ny;
|
||||
var nz;
|
||||
if (this.curve.twisted) {
|
||||
// E = a * C
|
||||
var e = this.curve._mulA(c);
|
||||
// F = E + D
|
||||
var f = e.redAdd(d);
|
||||
if (this.zOne) {
|
||||
// X3 = (B - C - D) * (F - 2)
|
||||
nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
|
||||
// Y3 = F * (E - D)
|
||||
ny = f.redMul(e.redSub(d));
|
||||
// Z3 = F^2 - 2 * F
|
||||
nz = f.redSqr().redSub(f).redSub(f);
|
||||
} else {
|
||||
// H = Z1^2
|
||||
var h = this.z.redSqr();
|
||||
// J = F - 2 * H
|
||||
var j = f.redSub(h).redISub(h);
|
||||
// X3 = (B-C-D)*J
|
||||
nx = b.redSub(c).redISub(d).redMul(j);
|
||||
// Y3 = F * (E - D)
|
||||
ny = f.redMul(e.redSub(d));
|
||||
// Z3 = F * J
|
||||
nz = f.redMul(j);
|
||||
}
|
||||
} else {
|
||||
// E = C + D
|
||||
var e = c.redAdd(d);
|
||||
// H = (c * Z1)^2
|
||||
var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
|
||||
// J = E - 2 * H
|
||||
var j = e.redSub(h).redSub(h);
|
||||
// X3 = c * (B - E) * J
|
||||
nx = this.curve._mulC(b.redISub(e)).redMul(j);
|
||||
// Y3 = c * E * (C - D)
|
||||
ny = this.curve._mulC(e).redMul(c.redISub(d));
|
||||
// Z3 = E * J
|
||||
nz = e.redMul(j);
|
||||
}
|
||||
return this.curve.point(nx, ny, nz);
|
||||
};
|
||||
|
||||
Point.prototype.dbl = function dbl() {
|
||||
if (this.isInfinity())
|
||||
return this;
|
||||
|
||||
// Double in extended coordinates
|
||||
if (this.curve.extended)
|
||||
return this._extDbl();
|
||||
else
|
||||
return this._projDbl();
|
||||
};
|
||||
|
||||
Point.prototype._extAdd = function _extAdd(p) {
|
||||
// hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
|
||||
// #addition-add-2008-hwcd-3
|
||||
// 8M
|
||||
|
||||
// A = (Y1 - X1) * (Y2 - X2)
|
||||
var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
|
||||
// B = (Y1 + X1) * (Y2 + X2)
|
||||
var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
|
||||
// C = T1 * k * T2
|
||||
var c = this.t.redMul(this.curve.dd).redMul(p.t);
|
||||
// D = Z1 * 2 * Z2
|
||||
var d = this.z.redMul(p.z.redAdd(p.z));
|
||||
// E = B - A
|
||||
var e = b.redSub(a);
|
||||
// F = D - C
|
||||
var f = d.redSub(c);
|
||||
// G = D + C
|
||||
var g = d.redAdd(c);
|
||||
// H = B + A
|
||||
var h = b.redAdd(a);
|
||||
// X3 = E * F
|
||||
var nx = e.redMul(f);
|
||||
// Y3 = G * H
|
||||
var ny = g.redMul(h);
|
||||
// T3 = E * H
|
||||
var nt = e.redMul(h);
|
||||
// Z3 = F * G
|
||||
var nz = f.redMul(g);
|
||||
return this.curve.point(nx, ny, nz, nt);
|
||||
};
|
||||
|
||||
Point.prototype._projAdd = function _projAdd(p) {
|
||||
// hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
|
||||
// #addition-add-2008-bbjlp
|
||||
// #addition-add-2007-bl
|
||||
// 10M + 1S
|
||||
|
||||
// A = Z1 * Z2
|
||||
var a = this.z.redMul(p.z);
|
||||
// B = A^2
|
||||
var b = a.redSqr();
|
||||
// C = X1 * X2
|
||||
var c = this.x.redMul(p.x);
|
||||
// D = Y1 * Y2
|
||||
var d = this.y.redMul(p.y);
|
||||
// E = d * C * D
|
||||
var e = this.curve.d.redMul(c).redMul(d);
|
||||
// F = B - E
|
||||
var f = b.redSub(e);
|
||||
// G = B + E
|
||||
var g = b.redAdd(e);
|
||||
// X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
|
||||
var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
|
||||
var nx = a.redMul(f).redMul(tmp);
|
||||
var ny;
|
||||
var nz;
|
||||
if (this.curve.twisted) {
|
||||
// Y3 = A * G * (D - a * C)
|
||||
ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
|
||||
// Z3 = F * G
|
||||
nz = f.redMul(g);
|
||||
} else {
|
||||
// Y3 = A * G * (D - C)
|
||||
ny = a.redMul(g).redMul(d.redSub(c));
|
||||
// Z3 = c * F * G
|
||||
nz = this.curve._mulC(f).redMul(g);
|
||||
}
|
||||
return this.curve.point(nx, ny, nz);
|
||||
};
|
||||
|
||||
Point.prototype.add = function add(p) {
|
||||
if (this.isInfinity())
|
||||
return p;
|
||||
if (p.isInfinity())
|
||||
return this;
|
||||
|
||||
if (this.curve.extended)
|
||||
return this._extAdd(p);
|
||||
else
|
||||
return this._projAdd(p);
|
||||
};
|
||||
|
||||
Point.prototype.mul = function mul(k) {
|
||||
if (this._hasDoubles(k))
|
||||
return this.curve._fixedNafMul(this, k);
|
||||
else
|
||||
return this.curve._wnafMul(this, k);
|
||||
};
|
||||
|
||||
Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
|
||||
return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
|
||||
};
|
||||
|
||||
Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
|
||||
return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
|
||||
};
|
||||
|
||||
Point.prototype.normalize = function normalize() {
|
||||
if (this.zOne)
|
||||
return this;
|
||||
|
||||
// Normalize coordinates
|
||||
var zi = this.z.redInvm();
|
||||
this.x = this.x.redMul(zi);
|
||||
this.y = this.y.redMul(zi);
|
||||
if (this.t)
|
||||
this.t = this.t.redMul(zi);
|
||||
this.z = this.curve.one;
|
||||
this.zOne = true;
|
||||
return this;
|
||||
};
|
||||
|
||||
Point.prototype.neg = function neg() {
|
||||
return this.curve.point(this.x.redNeg(),
|
||||
this.y,
|
||||
this.z,
|
||||
this.t && this.t.redNeg());
|
||||
};
|
||||
|
||||
Point.prototype.getX = function getX() {
|
||||
this.normalize();
|
||||
return this.x.fromRed();
|
||||
};
|
||||
|
||||
Point.prototype.getY = function getY() {
|
||||
this.normalize();
|
||||
return this.y.fromRed();
|
||||
};
|
||||
|
||||
Point.prototype.eq = function eq(other) {
|
||||
return this === other ||
|
||||
this.getX().cmp(other.getX()) === 0 &&
|
||||
this.getY().cmp(other.getY()) === 0;
|
||||
};
|
||||
|
||||
Point.prototype.eqXToP = function eqXToP(x) {
|
||||
var rx = x.toRed(this.curve.red).redMul(this.z);
|
||||
if (this.x.cmp(rx) === 0)
|
||||
return true;
|
||||
|
||||
var xc = x.clone();
|
||||
var t = this.curve.redN.redMul(this.z);
|
||||
for (;;) {
|
||||
xc.iadd(this.curve.n);
|
||||
if (xc.cmp(this.curve.p) >= 0)
|
||||
return false;
|
||||
|
||||
rx.redIAdd(t);
|
||||
if (this.x.cmp(rx) === 0)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
// Compatibility with BaseCurve
|
||||
Point.prototype.toP = Point.prototype.normalize;
|
||||
Point.prototype.mixedAdd = Point.prototype.add;
|
||||
Generated
Vendored
-8
@@ -1,8 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var curve = exports;
|
||||
|
||||
curve.base = require('./base');
|
||||
curve.short = require('./short');
|
||||
curve.mont = require('./mont');
|
||||
curve.edwards = require('./edwards');
|
||||
Generated
Vendored
-180
@@ -1,180 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var curve = require('../curve');
|
||||
var BN = require('../../../../BN/bn');
|
||||
var inherits = require('../../elliptic').inherits;
|
||||
var Base = curve.base;
|
||||
|
||||
var elliptic = require('../../elliptic');
|
||||
var utils = elliptic.utils;
|
||||
|
||||
function MontCurve(conf) {
|
||||
Base.call(this, 'mont', conf);
|
||||
|
||||
this.a = new BN(conf.a, 16).toRed(this.red);
|
||||
this.b = new BN(conf.b, 16).toRed(this.red);
|
||||
this.i4 = new BN(4).toRed(this.red).redInvm();
|
||||
this.two = new BN(2).toRed(this.red);
|
||||
this.a24 = this.i4.redMul(this.a.redAdd(this.two));
|
||||
}
|
||||
inherits(MontCurve, Base);
|
||||
module.exports = MontCurve;
|
||||
|
||||
MontCurve.prototype.validate = function validate(point) {
|
||||
var x = point.normalize().x;
|
||||
var x2 = x.redSqr();
|
||||
var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
|
||||
var y = rhs.redSqrt();
|
||||
|
||||
return y.redSqr().cmp(rhs) === 0;
|
||||
};
|
||||
|
||||
function Point(curve, x, z) {
|
||||
Base.BasePoint.call(this, curve, 'projective');
|
||||
if (x === null && z === null) {
|
||||
this.x = this.curve.one;
|
||||
this.z = this.curve.zero;
|
||||
} else {
|
||||
this.x = new BN(x, 16);
|
||||
this.z = new BN(z, 16);
|
||||
if (!this.x.red)
|
||||
this.x = this.x.toRed(this.curve.red);
|
||||
if (!this.z.red)
|
||||
this.z = this.z.toRed(this.curve.red);
|
||||
}
|
||||
}
|
||||
inherits(Point, Base.BasePoint);
|
||||
|
||||
MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
|
||||
return this.point(utils.toArray(bytes, enc), 1);
|
||||
};
|
||||
|
||||
MontCurve.prototype.point = function point(x, z) {
|
||||
return new Point(this, x, z);
|
||||
};
|
||||
|
||||
MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
|
||||
return Point.fromJSON(this, obj);
|
||||
};
|
||||
|
||||
Point.prototype.precompute = function precompute() {
|
||||
// No-op
|
||||
};
|
||||
|
||||
Point.prototype._encode = function _encode() {
|
||||
return this.getX().toArray('be', this.curve.p.byteLength());
|
||||
};
|
||||
|
||||
Point.fromJSON = function fromJSON(curve, obj) {
|
||||
return new Point(curve, obj[0], obj[1] || curve.one);
|
||||
};
|
||||
|
||||
Point.prototype.inspect = function inspect() {
|
||||
if (this.isInfinity())
|
||||
return '<EC Point Infinity>';
|
||||
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
||||
' z: ' + this.z.fromRed().toString(16, 2) + '>';
|
||||
};
|
||||
|
||||
Point.prototype.isInfinity = function isInfinity() {
|
||||
// XXX This code assumes that zero is always zero in red
|
||||
return this.z.cmpn(0) === 0;
|
||||
};
|
||||
|
||||
Point.prototype.dbl = function dbl() {
|
||||
// http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
|
||||
// 2M + 2S + 4A
|
||||
|
||||
// A = X1 + Z1
|
||||
var a = this.x.redAdd(this.z);
|
||||
// AA = A^2
|
||||
var aa = a.redSqr();
|
||||
// B = X1 - Z1
|
||||
var b = this.x.redSub(this.z);
|
||||
// BB = B^2
|
||||
var bb = b.redSqr();
|
||||
// C = AA - BB
|
||||
var c = aa.redSub(bb);
|
||||
// X3 = AA * BB
|
||||
var nx = aa.redMul(bb);
|
||||
// Z3 = C * (BB + A24 * C)
|
||||
var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
|
||||
return this.curve.point(nx, nz);
|
||||
};
|
||||
|
||||
Point.prototype.add = function add() {
|
||||
throw new Error('Not supported on Montgomery curve');
|
||||
};
|
||||
|
||||
Point.prototype.diffAdd = function diffAdd(p, diff) {
|
||||
// http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
|
||||
// 4M + 2S + 6A
|
||||
|
||||
// A = X2 + Z2
|
||||
var a = this.x.redAdd(this.z);
|
||||
// B = X2 - Z2
|
||||
var b = this.x.redSub(this.z);
|
||||
// C = X3 + Z3
|
||||
var c = p.x.redAdd(p.z);
|
||||
// D = X3 - Z3
|
||||
var d = p.x.redSub(p.z);
|
||||
// DA = D * A
|
||||
var da = d.redMul(a);
|
||||
// CB = C * B
|
||||
var cb = c.redMul(b);
|
||||
// X5 = Z1 * (DA + CB)^2
|
||||
var nx = diff.z.redMul(da.redAdd(cb).redSqr());
|
||||
// Z5 = X1 * (DA - CB)^2
|
||||
var nz = diff.x.redMul(da.redISub(cb).redSqr());
|
||||
return this.curve.point(nx, nz);
|
||||
};
|
||||
|
||||
Point.prototype.mul = function mul(k) {
|
||||
var t = k.clone();
|
||||
var a = this; // (N / 2) * Q + Q
|
||||
var b = this.curve.point(null, null); // (N / 2) * Q
|
||||
var c = this; // Q
|
||||
|
||||
for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
|
||||
bits.push(t.andln(1));
|
||||
|
||||
for (var i = bits.length - 1; i >= 0; i--) {
|
||||
if (bits[i] === 0) {
|
||||
// N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
|
||||
a = a.diffAdd(b, c);
|
||||
// N * Q = 2 * ((N / 2) * Q + Q))
|
||||
b = b.dbl();
|
||||
} else {
|
||||
// N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
|
||||
b = a.diffAdd(b, c);
|
||||
// N * Q + Q = 2 * ((N / 2) * Q + Q)
|
||||
a = a.dbl();
|
||||
}
|
||||
}
|
||||
return b;
|
||||
};
|
||||
|
||||
Point.prototype.mulAdd = function mulAdd() {
|
||||
throw new Error('Not supported on Montgomery curve');
|
||||
};
|
||||
|
||||
Point.prototype.jumlAdd = function jumlAdd() {
|
||||
throw new Error('Not supported on Montgomery curve');
|
||||
};
|
||||
|
||||
Point.prototype.eq = function eq(other) {
|
||||
return this.getX().cmp(other.getX()) === 0;
|
||||
};
|
||||
|
||||
Point.prototype.normalize = function normalize() {
|
||||
this.x = this.x.redMul(this.z.redInvm());
|
||||
this.z = this.curve.one;
|
||||
return this;
|
||||
};
|
||||
|
||||
Point.prototype.getX = function getX() {
|
||||
// Normalize coordinates
|
||||
this.normalize();
|
||||
|
||||
return this.x.fromRed();
|
||||
};
|
||||
Generated
Vendored
-938
@@ -1,938 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var curve = require('../curve');
|
||||
var elliptic = require('../../elliptic');
|
||||
var BN = require('../../../../BN/bn');
|
||||
var inherits = elliptic.inherits;
|
||||
var Base = curve.base;
|
||||
|
||||
var assert = elliptic.utils.assert;
|
||||
|
||||
function ShortCurve(conf) {
|
||||
Base.call(this, 'short', conf);
|
||||
|
||||
this.a = new BN(conf.a, 16).toRed(this.red);
|
||||
this.b = new BN(conf.b, 16).toRed(this.red);
|
||||
this.tinv = this.two.redInvm();
|
||||
|
||||
this.zeroA = this.a.fromRed().cmpn(0) === 0;
|
||||
this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
|
||||
|
||||
// If the curve is endomorphic, precalculate beta and lambda
|
||||
this.endo = this._getEndomorphism(conf);
|
||||
this._endoWnafT1 = new Array(4);
|
||||
this._endoWnafT2 = new Array(4);
|
||||
}
|
||||
inherits(ShortCurve, Base);
|
||||
module.exports = ShortCurve;
|
||||
|
||||
ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
|
||||
// No efficient endomorphism
|
||||
if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
|
||||
return;
|
||||
|
||||
// Compute beta and lambda, that lambda * P = (beta * Px; Py)
|
||||
var beta;
|
||||
var lambda;
|
||||
if (conf.beta) {
|
||||
beta = new BN(conf.beta, 16).toRed(this.red);
|
||||
} else {
|
||||
var betas = this._getEndoRoots(this.p);
|
||||
// Choose the smallest beta
|
||||
beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
|
||||
beta = beta.toRed(this.red);
|
||||
}
|
||||
if (conf.lambda) {
|
||||
lambda = new BN(conf.lambda, 16);
|
||||
} else {
|
||||
// Choose the lambda that is matching selected beta
|
||||
var lambdas = this._getEndoRoots(this.n);
|
||||
if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
|
||||
lambda = lambdas[0];
|
||||
} else {
|
||||
lambda = lambdas[1];
|
||||
assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
|
||||
}
|
||||
}
|
||||
|
||||
// Get basis vectors, used for balanced length-two representation
|
||||
var basis;
|
||||
if (conf.basis) {
|
||||
basis = conf.basis.map(function(vec) {
|
||||
return {
|
||||
a: new BN(vec.a, 16),
|
||||
b: new BN(vec.b, 16)
|
||||
};
|
||||
});
|
||||
} else {
|
||||
basis = this._getEndoBasis(lambda);
|
||||
}
|
||||
|
||||
return {
|
||||
beta: beta,
|
||||
lambda: lambda,
|
||||
basis: basis
|
||||
};
|
||||
};
|
||||
|
||||
ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
|
||||
// Find roots of for x^2 + x + 1 in F
|
||||
// Root = (-1 +- Sqrt(-3)) / 2
|
||||
//
|
||||
var red = num === this.p ? this.red : BN.mont(num);
|
||||
var tinv = new BN(2).toRed(red).redInvm();
|
||||
var ntinv = tinv.redNeg();
|
||||
|
||||
var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
|
||||
|
||||
var l1 = ntinv.redAdd(s).fromRed();
|
||||
var l2 = ntinv.redSub(s).fromRed();
|
||||
return [ l1, l2 ];
|
||||
};
|
||||
|
||||
ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
|
||||
// aprxSqrt >= sqrt(this.n)
|
||||
var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
|
||||
|
||||
// 3.74
|
||||
// Run EGCD, until r(L + 1) < aprxSqrt
|
||||
var u = lambda;
|
||||
var v = this.n.clone();
|
||||
var x1 = new BN(1);
|
||||
var y1 = new BN(0);
|
||||
var x2 = new BN(0);
|
||||
var y2 = new BN(1);
|
||||
|
||||
// NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
|
||||
var a0;
|
||||
var b0;
|
||||
// First vector
|
||||
var a1;
|
||||
var b1;
|
||||
// Second vector
|
||||
var a2;
|
||||
var b2;
|
||||
|
||||
var prevR;
|
||||
var i = 0;
|
||||
var r;
|
||||
var x;
|
||||
while (u.cmpn(0) !== 0) {
|
||||
var q = v.div(u);
|
||||
r = v.sub(q.mul(u));
|
||||
x = x2.sub(q.mul(x1));
|
||||
var y = y2.sub(q.mul(y1));
|
||||
|
||||
if (!a1 && r.cmp(aprxSqrt) < 0) {
|
||||
a0 = prevR.neg();
|
||||
b0 = x1;
|
||||
a1 = r.neg();
|
||||
b1 = x;
|
||||
} else if (a1 && ++i === 2) {
|
||||
break;
|
||||
}
|
||||
prevR = r;
|
||||
|
||||
v = u;
|
||||
u = r;
|
||||
x2 = x1;
|
||||
x1 = x;
|
||||
y2 = y1;
|
||||
y1 = y;
|
||||
}
|
||||
a2 = r.neg();
|
||||
b2 = x;
|
||||
|
||||
var len1 = a1.sqr().add(b1.sqr());
|
||||
var len2 = a2.sqr().add(b2.sqr());
|
||||
if (len2.cmp(len1) >= 0) {
|
||||
a2 = a0;
|
||||
b2 = b0;
|
||||
}
|
||||
|
||||
// Normalize signs
|
||||
if (a1.negative) {
|
||||
a1 = a1.neg();
|
||||
b1 = b1.neg();
|
||||
}
|
||||
if (a2.negative) {
|
||||
a2 = a2.neg();
|
||||
b2 = b2.neg();
|
||||
}
|
||||
|
||||
return [
|
||||
{ a: a1, b: b1 },
|
||||
{ a: a2, b: b2 }
|
||||
];
|
||||
};
|
||||
|
||||
ShortCurve.prototype._endoSplit = function _endoSplit(k) {
|
||||
var basis = this.endo.basis;
|
||||
var v1 = basis[0];
|
||||
var v2 = basis[1];
|
||||
|
||||
var c1 = v2.b.mul(k).divRound(this.n);
|
||||
var c2 = v1.b.neg().mul(k).divRound(this.n);
|
||||
|
||||
var p1 = c1.mul(v1.a);
|
||||
var p2 = c2.mul(v2.a);
|
||||
var q1 = c1.mul(v1.b);
|
||||
var q2 = c2.mul(v2.b);
|
||||
|
||||
// Calculate answer
|
||||
var k1 = k.sub(p1).sub(p2);
|
||||
var k2 = q1.add(q2).neg();
|
||||
return { k1: k1, k2: k2 };
|
||||
};
|
||||
|
||||
ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
|
||||
x = new BN(x, 16);
|
||||
if (!x.red)
|
||||
x = x.toRed(this.red);
|
||||
|
||||
var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
|
||||
var y = y2.redSqrt();
|
||||
if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
|
||||
throw new Error('invalid point');
|
||||
|
||||
// XXX Is there any way to tell if the number is odd without converting it
|
||||
// to non-red form?
|
||||
var isOdd = y.fromRed().isOdd();
|
||||
if (odd && !isOdd || !odd && isOdd)
|
||||
y = y.redNeg();
|
||||
|
||||
return this.point(x, y);
|
||||
};
|
||||
|
||||
ShortCurve.prototype.validate = function validate(point) {
|
||||
if (point.inf)
|
||||
return true;
|
||||
|
||||
var x = point.x;
|
||||
var y = point.y;
|
||||
|
||||
var ax = this.a.redMul(x);
|
||||
var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
|
||||
return y.redSqr().redISub(rhs).cmpn(0) === 0;
|
||||
};
|
||||
|
||||
ShortCurve.prototype._endoWnafMulAdd =
|
||||
function _endoWnafMulAdd(points, coeffs, jacobianResult) {
|
||||
var npoints = this._endoWnafT1;
|
||||
var ncoeffs = this._endoWnafT2;
|
||||
for (var i = 0; i < points.length; i++) {
|
||||
var split = this._endoSplit(coeffs[i]);
|
||||
var p = points[i];
|
||||
var beta = p._getBeta();
|
||||
|
||||
if (split.k1.negative) {
|
||||
split.k1.ineg();
|
||||
p = p.neg(true);
|
||||
}
|
||||
if (split.k2.negative) {
|
||||
split.k2.ineg();
|
||||
beta = beta.neg(true);
|
||||
}
|
||||
|
||||
npoints[i * 2] = p;
|
||||
npoints[i * 2 + 1] = beta;
|
||||
ncoeffs[i * 2] = split.k1;
|
||||
ncoeffs[i * 2 + 1] = split.k2;
|
||||
}
|
||||
var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
|
||||
|
||||
// Clean-up references to points and coefficients
|
||||
for (var j = 0; j < i * 2; j++) {
|
||||
npoints[j] = null;
|
||||
ncoeffs[j] = null;
|
||||
}
|
||||
return res;
|
||||
};
|
||||
|
||||
function Point(curve, x, y, isRed) {
|
||||
Base.BasePoint.call(this, curve, 'affine');
|
||||
if (x === null && y === null) {
|
||||
this.x = null;
|
||||
this.y = null;
|
||||
this.inf = true;
|
||||
} else {
|
||||
this.x = new BN(x, 16);
|
||||
this.y = new BN(y, 16);
|
||||
// Force redgomery representation when loading from JSON
|
||||
if (isRed) {
|
||||
this.x.forceRed(this.curve.red);
|
||||
this.y.forceRed(this.curve.red);
|
||||
}
|
||||
if (!this.x.red)
|
||||
this.x = this.x.toRed(this.curve.red);
|
||||
if (!this.y.red)
|
||||
this.y = this.y.toRed(this.curve.red);
|
||||
this.inf = false;
|
||||
}
|
||||
}
|
||||
inherits(Point, Base.BasePoint);
|
||||
|
||||
ShortCurve.prototype.point = function point(x, y, isRed) {
|
||||
return new Point(this, x, y, isRed);
|
||||
};
|
||||
|
||||
ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
|
||||
return Point.fromJSON(this, obj, red);
|
||||
};
|
||||
|
||||
Point.prototype._getBeta = function _getBeta() {
|
||||
if (!this.curve.endo)
|
||||
return;
|
||||
|
||||
var pre = this.precomputed;
|
||||
if (pre && pre.beta)
|
||||
return pre.beta;
|
||||
|
||||
var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
|
||||
if (pre) {
|
||||
var curve = this.curve;
|
||||
var endoMul = function(p) {
|
||||
return curve.point(p.x.redMul(curve.endo.beta), p.y);
|
||||
};
|
||||
pre.beta = beta;
|
||||
beta.precomputed = {
|
||||
beta: null,
|
||||
naf: pre.naf && {
|
||||
wnd: pre.naf.wnd,
|
||||
points: pre.naf.points.map(endoMul)
|
||||
},
|
||||
doubles: pre.doubles && {
|
||||
step: pre.doubles.step,
|
||||
points: pre.doubles.points.map(endoMul)
|
||||
}
|
||||
};
|
||||
}
|
||||
return beta;
|
||||
};
|
||||
|
||||
Point.prototype.toJSON = function toJSON() {
|
||||
if (!this.precomputed)
|
||||
return [ this.x, this.y ];
|
||||
|
||||
return [ this.x, this.y, this.precomputed && {
|
||||
doubles: this.precomputed.doubles && {
|
||||
step: this.precomputed.doubles.step,
|
||||
points: this.precomputed.doubles.points.slice(1)
|
||||
},
|
||||
naf: this.precomputed.naf && {
|
||||
wnd: this.precomputed.naf.wnd,
|
||||
points: this.precomputed.naf.points.slice(1)
|
||||
}
|
||||
} ];
|
||||
};
|
||||
|
||||
Point.fromJSON = function fromJSON(curve, obj, red) {
|
||||
if (typeof obj === 'string')
|
||||
obj = JSON.parse(obj);
|
||||
var res = curve.point(obj[0], obj[1], red);
|
||||
if (!obj[2])
|
||||
return res;
|
||||
|
||||
function obj2point(obj) {
|
||||
return curve.point(obj[0], obj[1], red);
|
||||
}
|
||||
|
||||
var pre = obj[2];
|
||||
res.precomputed = {
|
||||
beta: null,
|
||||
doubles: pre.doubles && {
|
||||
step: pre.doubles.step,
|
||||
points: [ res ].concat(pre.doubles.points.map(obj2point))
|
||||
},
|
||||
naf: pre.naf && {
|
||||
wnd: pre.naf.wnd,
|
||||
points: [ res ].concat(pre.naf.points.map(obj2point))
|
||||
}
|
||||
};
|
||||
return res;
|
||||
};
|
||||
|
||||
Point.prototype.inspect = function inspect() {
|
||||
if (this.isInfinity())
|
||||
return '<EC Point Infinity>';
|
||||
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
||||
' y: ' + this.y.fromRed().toString(16, 2) + '>';
|
||||
};
|
||||
|
||||
Point.prototype.isInfinity = function isInfinity() {
|
||||
return this.inf;
|
||||
};
|
||||
|
||||
Point.prototype.add = function add(p) {
|
||||
// O + P = P
|
||||
if (this.inf)
|
||||
return p;
|
||||
|
||||
// P + O = P
|
||||
if (p.inf)
|
||||
return this;
|
||||
|
||||
// P + P = 2P
|
||||
if (this.eq(p))
|
||||
return this.dbl();
|
||||
|
||||
// P + (-P) = O
|
||||
if (this.neg().eq(p))
|
||||
return this.curve.point(null, null);
|
||||
|
||||
// P + Q = O
|
||||
if (this.x.cmp(p.x) === 0)
|
||||
return this.curve.point(null, null);
|
||||
|
||||
var c = this.y.redSub(p.y);
|
||||
if (c.cmpn(0) !== 0)
|
||||
c = c.redMul(this.x.redSub(p.x).redInvm());
|
||||
var nx = c.redSqr().redISub(this.x).redISub(p.x);
|
||||
var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
|
||||
return this.curve.point(nx, ny);
|
||||
};
|
||||
|
||||
Point.prototype.dbl = function dbl() {
|
||||
if (this.inf)
|
||||
return this;
|
||||
|
||||
// 2P = O
|
||||
var ys1 = this.y.redAdd(this.y);
|
||||
if (ys1.cmpn(0) === 0)
|
||||
return this.curve.point(null, null);
|
||||
|
||||
var a = this.curve.a;
|
||||
|
||||
var x2 = this.x.redSqr();
|
||||
var dyinv = ys1.redInvm();
|
||||
var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
|
||||
|
||||
var nx = c.redSqr().redISub(this.x.redAdd(this.x));
|
||||
var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
|
||||
return this.curve.point(nx, ny);
|
||||
};
|
||||
|
||||
Point.prototype.getX = function getX() {
|
||||
return this.x.fromRed();
|
||||
};
|
||||
|
||||
Point.prototype.getY = function getY() {
|
||||
return this.y.fromRed();
|
||||
};
|
||||
|
||||
Point.prototype.mul = function mul(k) {
|
||||
k = new BN(k, 16);
|
||||
|
||||
if (this._hasDoubles(k))
|
||||
return this.curve._fixedNafMul(this, k);
|
||||
else if (this.curve.endo)
|
||||
return this.curve._endoWnafMulAdd([ this ], [ k ]);
|
||||
else
|
||||
return this.curve._wnafMul(this, k);
|
||||
};
|
||||
|
||||
Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
|
||||
var points = [ this, p2 ];
|
||||
var coeffs = [ k1, k2 ];
|
||||
if (this.curve.endo)
|
||||
return this.curve._endoWnafMulAdd(points, coeffs);
|
||||
else
|
||||
return this.curve._wnafMulAdd(1, points, coeffs, 2);
|
||||
};
|
||||
|
||||
Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
|
||||
var points = [ this, p2 ];
|
||||
var coeffs = [ k1, k2 ];
|
||||
if (this.curve.endo)
|
||||
return this.curve._endoWnafMulAdd(points, coeffs, true);
|
||||
else
|
||||
return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
|
||||
};
|
||||
|
||||
Point.prototype.eq = function eq(p) {
|
||||
return this === p ||
|
||||
this.inf === p.inf &&
|
||||
(this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
|
||||
};
|
||||
|
||||
Point.prototype.neg = function neg(_precompute) {
|
||||
if (this.inf)
|
||||
return this;
|
||||
|
||||
var res = this.curve.point(this.x, this.y.redNeg());
|
||||
if (_precompute && this.precomputed) {
|
||||
var pre = this.precomputed;
|
||||
var negate = function(p) {
|
||||
return p.neg();
|
||||
};
|
||||
res.precomputed = {
|
||||
naf: pre.naf && {
|
||||
wnd: pre.naf.wnd,
|
||||
points: pre.naf.points.map(negate)
|
||||
},
|
||||
doubles: pre.doubles && {
|
||||
step: pre.doubles.step,
|
||||
points: pre.doubles.points.map(negate)
|
||||
}
|
||||
};
|
||||
}
|
||||
return res;
|
||||
};
|
||||
|
||||
Point.prototype.toJ = function toJ() {
|
||||
if (this.inf)
|
||||
return this.curve.jpoint(null, null, null);
|
||||
|
||||
var res = this.curve.jpoint(this.x, this.y, this.curve.one);
|
||||
return res;
|
||||
};
|
||||
|
||||
function JPoint(curve, x, y, z) {
|
||||
Base.BasePoint.call(this, curve, 'jacobian');
|
||||
if (x === null && y === null && z === null) {
|
||||
this.x = this.curve.one;
|
||||
this.y = this.curve.one;
|
||||
this.z = new BN(0);
|
||||
} else {
|
||||
this.x = new BN(x, 16);
|
||||
this.y = new BN(y, 16);
|
||||
this.z = new BN(z, 16);
|
||||
}
|
||||
if (!this.x.red)
|
||||
this.x = this.x.toRed(this.curve.red);
|
||||
if (!this.y.red)
|
||||
this.y = this.y.toRed(this.curve.red);
|
||||
if (!this.z.red)
|
||||
this.z = this.z.toRed(this.curve.red);
|
||||
|
||||
this.zOne = this.z === this.curve.one;
|
||||
}
|
||||
inherits(JPoint, Base.BasePoint);
|
||||
|
||||
ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
|
||||
return new JPoint(this, x, y, z);
|
||||
};
|
||||
|
||||
JPoint.prototype.toP = function toP() {
|
||||
if (this.isInfinity())
|
||||
return this.curve.point(null, null);
|
||||
|
||||
var zinv = this.z.redInvm();
|
||||
var zinv2 = zinv.redSqr();
|
||||
var ax = this.x.redMul(zinv2);
|
||||
var ay = this.y.redMul(zinv2).redMul(zinv);
|
||||
|
||||
return this.curve.point(ax, ay);
|
||||
};
|
||||
|
||||
JPoint.prototype.neg = function neg() {
|
||||
return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
|
||||
};
|
||||
|
||||
JPoint.prototype.add = function add(p) {
|
||||
// O + P = P
|
||||
if (this.isInfinity())
|
||||
return p;
|
||||
|
||||
// P + O = P
|
||||
if (p.isInfinity())
|
||||
return this;
|
||||
|
||||
// 12M + 4S + 7A
|
||||
var pz2 = p.z.redSqr();
|
||||
var z2 = this.z.redSqr();
|
||||
var u1 = this.x.redMul(pz2);
|
||||
var u2 = p.x.redMul(z2);
|
||||
var s1 = this.y.redMul(pz2.redMul(p.z));
|
||||
var s2 = p.y.redMul(z2.redMul(this.z));
|
||||
|
||||
var h = u1.redSub(u2);
|
||||
var r = s1.redSub(s2);
|
||||
if (h.cmpn(0) === 0) {
|
||||
if (r.cmpn(0) !== 0)
|
||||
return this.curve.jpoint(null, null, null);
|
||||
else
|
||||
return this.dbl();
|
||||
}
|
||||
|
||||
var h2 = h.redSqr();
|
||||
var h3 = h2.redMul(h);
|
||||
var v = u1.redMul(h2);
|
||||
|
||||
var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
|
||||
var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
|
||||
var nz = this.z.redMul(p.z).redMul(h);
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype.mixedAdd = function mixedAdd(p) {
|
||||
// O + P = P
|
||||
if (this.isInfinity())
|
||||
return p.toJ();
|
||||
|
||||
// P + O = P
|
||||
if (p.isInfinity())
|
||||
return this;
|
||||
|
||||
// 8M + 3S + 7A
|
||||
var z2 = this.z.redSqr();
|
||||
var u1 = this.x;
|
||||
var u2 = p.x.redMul(z2);
|
||||
var s1 = this.y;
|
||||
var s2 = p.y.redMul(z2).redMul(this.z);
|
||||
|
||||
var h = u1.redSub(u2);
|
||||
var r = s1.redSub(s2);
|
||||
if (h.cmpn(0) === 0) {
|
||||
if (r.cmpn(0) !== 0)
|
||||
return this.curve.jpoint(null, null, null);
|
||||
else
|
||||
return this.dbl();
|
||||
}
|
||||
|
||||
var h2 = h.redSqr();
|
||||
var h3 = h2.redMul(h);
|
||||
var v = u1.redMul(h2);
|
||||
|
||||
var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
|
||||
var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
|
||||
var nz = this.z.redMul(h);
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype.dblp = function dblp(pow) {
|
||||
if (pow === 0)
|
||||
return this;
|
||||
if (this.isInfinity())
|
||||
return this;
|
||||
if (!pow)
|
||||
return this.dbl();
|
||||
|
||||
if (this.curve.zeroA || this.curve.threeA) {
|
||||
var r = this;
|
||||
for (var i = 0; i < pow; i++)
|
||||
r = r.dbl();
|
||||
return r;
|
||||
}
|
||||
|
||||
// 1M + 2S + 1A + N * (4S + 5M + 8A)
|
||||
// N = 1 => 6M + 6S + 9A
|
||||
var a = this.curve.a;
|
||||
var tinv = this.curve.tinv;
|
||||
|
||||
var jx = this.x;
|
||||
var jy = this.y;
|
||||
var jz = this.z;
|
||||
var jz4 = jz.redSqr().redSqr();
|
||||
|
||||
// Reuse results
|
||||
var jyd = jy.redAdd(jy);
|
||||
for (var i = 0; i < pow; i++) {
|
||||
var jx2 = jx.redSqr();
|
||||
var jyd2 = jyd.redSqr();
|
||||
var jyd4 = jyd2.redSqr();
|
||||
var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
|
||||
|
||||
var t1 = jx.redMul(jyd2);
|
||||
var nx = c.redSqr().redISub(t1.redAdd(t1));
|
||||
var t2 = t1.redISub(nx);
|
||||
var dny = c.redMul(t2);
|
||||
dny = dny.redIAdd(dny).redISub(jyd4);
|
||||
var nz = jyd.redMul(jz);
|
||||
if (i + 1 < pow)
|
||||
jz4 = jz4.redMul(jyd4);
|
||||
|
||||
jx = nx;
|
||||
jz = nz;
|
||||
jyd = dny;
|
||||
}
|
||||
|
||||
return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
|
||||
};
|
||||
|
||||
JPoint.prototype.dbl = function dbl() {
|
||||
if (this.isInfinity())
|
||||
return this;
|
||||
|
||||
if (this.curve.zeroA)
|
||||
return this._zeroDbl();
|
||||
else if (this.curve.threeA)
|
||||
return this._threeDbl();
|
||||
else
|
||||
return this._dbl();
|
||||
};
|
||||
|
||||
JPoint.prototype._zeroDbl = function _zeroDbl() {
|
||||
var nx;
|
||||
var ny;
|
||||
var nz;
|
||||
// Z = 1
|
||||
if (this.zOne) {
|
||||
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
|
||||
// #doubling-mdbl-2007-bl
|
||||
// 1M + 5S + 14A
|
||||
|
||||
// XX = X1^2
|
||||
var xx = this.x.redSqr();
|
||||
// YY = Y1^2
|
||||
var yy = this.y.redSqr();
|
||||
// YYYY = YY^2
|
||||
var yyyy = yy.redSqr();
|
||||
// S = 2 * ((X1 + YY)^2 - XX - YYYY)
|
||||
var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
||||
s = s.redIAdd(s);
|
||||
// M = 3 * XX + a; a = 0
|
||||
var m = xx.redAdd(xx).redIAdd(xx);
|
||||
// T = M ^ 2 - 2*S
|
||||
var t = m.redSqr().redISub(s).redISub(s);
|
||||
|
||||
// 8 * YYYY
|
||||
var yyyy8 = yyyy.redIAdd(yyyy);
|
||||
yyyy8 = yyyy8.redIAdd(yyyy8);
|
||||
yyyy8 = yyyy8.redIAdd(yyyy8);
|
||||
|
||||
// X3 = T
|
||||
nx = t;
|
||||
// Y3 = M * (S - T) - 8 * YYYY
|
||||
ny = m.redMul(s.redISub(t)).redISub(yyyy8);
|
||||
// Z3 = 2*Y1
|
||||
nz = this.y.redAdd(this.y);
|
||||
} else {
|
||||
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
|
||||
// #doubling-dbl-2009-l
|
||||
// 2M + 5S + 13A
|
||||
|
||||
// A = X1^2
|
||||
var a = this.x.redSqr();
|
||||
// B = Y1^2
|
||||
var b = this.y.redSqr();
|
||||
// C = B^2
|
||||
var c = b.redSqr();
|
||||
// D = 2 * ((X1 + B)^2 - A - C)
|
||||
var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
|
||||
d = d.redIAdd(d);
|
||||
// E = 3 * A
|
||||
var e = a.redAdd(a).redIAdd(a);
|
||||
// F = E^2
|
||||
var f = e.redSqr();
|
||||
|
||||
// 8 * C
|
||||
var c8 = c.redIAdd(c);
|
||||
c8 = c8.redIAdd(c8);
|
||||
c8 = c8.redIAdd(c8);
|
||||
|
||||
// X3 = F - 2 * D
|
||||
nx = f.redISub(d).redISub(d);
|
||||
// Y3 = E * (D - X3) - 8 * C
|
||||
ny = e.redMul(d.redISub(nx)).redISub(c8);
|
||||
// Z3 = 2 * Y1 * Z1
|
||||
nz = this.y.redMul(this.z);
|
||||
nz = nz.redIAdd(nz);
|
||||
}
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype._threeDbl = function _threeDbl() {
|
||||
var nx;
|
||||
var ny;
|
||||
var nz;
|
||||
// Z = 1
|
||||
if (this.zOne) {
|
||||
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
|
||||
// #doubling-mdbl-2007-bl
|
||||
// 1M + 5S + 15A
|
||||
|
||||
// XX = X1^2
|
||||
var xx = this.x.redSqr();
|
||||
// YY = Y1^2
|
||||
var yy = this.y.redSqr();
|
||||
// YYYY = YY^2
|
||||
var yyyy = yy.redSqr();
|
||||
// S = 2 * ((X1 + YY)^2 - XX - YYYY)
|
||||
var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
||||
s = s.redIAdd(s);
|
||||
// M = 3 * XX + a
|
||||
var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
|
||||
// T = M^2 - 2 * S
|
||||
var t = m.redSqr().redISub(s).redISub(s);
|
||||
// X3 = T
|
||||
nx = t;
|
||||
// Y3 = M * (S - T) - 8 * YYYY
|
||||
var yyyy8 = yyyy.redIAdd(yyyy);
|
||||
yyyy8 = yyyy8.redIAdd(yyyy8);
|
||||
yyyy8 = yyyy8.redIAdd(yyyy8);
|
||||
ny = m.redMul(s.redISub(t)).redISub(yyyy8);
|
||||
// Z3 = 2 * Y1
|
||||
nz = this.y.redAdd(this.y);
|
||||
} else {
|
||||
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
|
||||
// 3M + 5S
|
||||
|
||||
// delta = Z1^2
|
||||
var delta = this.z.redSqr();
|
||||
// gamma = Y1^2
|
||||
var gamma = this.y.redSqr();
|
||||
// beta = X1 * gamma
|
||||
var beta = this.x.redMul(gamma);
|
||||
// alpha = 3 * (X1 - delta) * (X1 + delta)
|
||||
var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
|
||||
alpha = alpha.redAdd(alpha).redIAdd(alpha);
|
||||
// X3 = alpha^2 - 8 * beta
|
||||
var beta4 = beta.redIAdd(beta);
|
||||
beta4 = beta4.redIAdd(beta4);
|
||||
var beta8 = beta4.redAdd(beta4);
|
||||
nx = alpha.redSqr().redISub(beta8);
|
||||
// Z3 = (Y1 + Z1)^2 - gamma - delta
|
||||
nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
|
||||
// Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
|
||||
var ggamma8 = gamma.redSqr();
|
||||
ggamma8 = ggamma8.redIAdd(ggamma8);
|
||||
ggamma8 = ggamma8.redIAdd(ggamma8);
|
||||
ggamma8 = ggamma8.redIAdd(ggamma8);
|
||||
ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
|
||||
}
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype._dbl = function _dbl() {
|
||||
var a = this.curve.a;
|
||||
|
||||
// 4M + 6S + 10A
|
||||
var jx = this.x;
|
||||
var jy = this.y;
|
||||
var jz = this.z;
|
||||
var jz4 = jz.redSqr().redSqr();
|
||||
|
||||
var jx2 = jx.redSqr();
|
||||
var jy2 = jy.redSqr();
|
||||
|
||||
var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
|
||||
|
||||
var jxd4 = jx.redAdd(jx);
|
||||
jxd4 = jxd4.redIAdd(jxd4);
|
||||
var t1 = jxd4.redMul(jy2);
|
||||
var nx = c.redSqr().redISub(t1.redAdd(t1));
|
||||
var t2 = t1.redISub(nx);
|
||||
|
||||
var jyd8 = jy2.redSqr();
|
||||
jyd8 = jyd8.redIAdd(jyd8);
|
||||
jyd8 = jyd8.redIAdd(jyd8);
|
||||
jyd8 = jyd8.redIAdd(jyd8);
|
||||
var ny = c.redMul(t2).redISub(jyd8);
|
||||
var nz = jy.redAdd(jy).redMul(jz);
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype.trpl = function trpl() {
|
||||
if (!this.curve.zeroA)
|
||||
return this.dbl().add(this);
|
||||
|
||||
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
|
||||
// 5M + 10S + ...
|
||||
|
||||
// XX = X1^2
|
||||
var xx = this.x.redSqr();
|
||||
// YY = Y1^2
|
||||
var yy = this.y.redSqr();
|
||||
// ZZ = Z1^2
|
||||
var zz = this.z.redSqr();
|
||||
// YYYY = YY^2
|
||||
var yyyy = yy.redSqr();
|
||||
// M = 3 * XX + a * ZZ2; a = 0
|
||||
var m = xx.redAdd(xx).redIAdd(xx);
|
||||
// MM = M^2
|
||||
var mm = m.redSqr();
|
||||
// E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
|
||||
var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
||||
e = e.redIAdd(e);
|
||||
e = e.redAdd(e).redIAdd(e);
|
||||
e = e.redISub(mm);
|
||||
// EE = E^2
|
||||
var ee = e.redSqr();
|
||||
// T = 16*YYYY
|
||||
var t = yyyy.redIAdd(yyyy);
|
||||
t = t.redIAdd(t);
|
||||
t = t.redIAdd(t);
|
||||
t = t.redIAdd(t);
|
||||
// U = (M + E)^2 - MM - EE - T
|
||||
var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
|
||||
// X3 = 4 * (X1 * EE - 4 * YY * U)
|
||||
var yyu4 = yy.redMul(u);
|
||||
yyu4 = yyu4.redIAdd(yyu4);
|
||||
yyu4 = yyu4.redIAdd(yyu4);
|
||||
var nx = this.x.redMul(ee).redISub(yyu4);
|
||||
nx = nx.redIAdd(nx);
|
||||
nx = nx.redIAdd(nx);
|
||||
// Y3 = 8 * Y1 * (U * (T - U) - E * EE)
|
||||
var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
|
||||
ny = ny.redIAdd(ny);
|
||||
ny = ny.redIAdd(ny);
|
||||
ny = ny.redIAdd(ny);
|
||||
// Z3 = (Z1 + E)^2 - ZZ - EE
|
||||
var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
|
||||
|
||||
return this.curve.jpoint(nx, ny, nz);
|
||||
};
|
||||
|
||||
JPoint.prototype.mul = function mul(k, kbase) {
|
||||
k = new BN(k, kbase);
|
||||
|
||||
return this.curve._wnafMul(this, k);
|
||||
};
|
||||
|
||||
JPoint.prototype.eq = function eq(p) {
|
||||
if (p.type === 'affine')
|
||||
return this.eq(p.toJ());
|
||||
|
||||
if (this === p)
|
||||
return true;
|
||||
|
||||
// x1 * z2^2 == x2 * z1^2
|
||||
var z2 = this.z.redSqr();
|
||||
var pz2 = p.z.redSqr();
|
||||
if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
|
||||
return false;
|
||||
|
||||
// y1 * z2^3 == y2 * z1^3
|
||||
var z3 = z2.redMul(this.z);
|
||||
var pz3 = pz2.redMul(p.z);
|
||||
return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
|
||||
};
|
||||
|
||||
JPoint.prototype.eqXToP = function eqXToP(x) {
|
||||
var zs = this.z.redSqr();
|
||||
var rx = x.toRed(this.curve.red).redMul(zs);
|
||||
if (this.x.cmp(rx) === 0)
|
||||
return true;
|
||||
|
||||
var xc = x.clone();
|
||||
var t = this.curve.redN.redMul(zs);
|
||||
for (;;) {
|
||||
xc.iadd(this.curve.n);
|
||||
if (xc.cmp(this.curve.p) >= 0)
|
||||
return false;
|
||||
|
||||
rx.redIAdd(t);
|
||||
if (this.x.cmp(rx) === 0)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
JPoint.prototype.inspect = function inspect() {
|
||||
if (this.isInfinity())
|
||||
return '<EC JPoint Infinity>';
|
||||
return '<EC JPoint x: ' + this.x.toString(16, 2) +
|
||||
' y: ' + this.y.toString(16, 2) +
|
||||
' z: ' + this.z.toString(16, 2) + '>';
|
||||
};
|
||||
|
||||
JPoint.prototype.isInfinity = function isInfinity() {
|
||||
// XXX This code assumes that zero is always zero in red
|
||||
return this.z.cmpn(0) === 0;
|
||||
};
|
||||
Generated
Vendored
-204
@@ -1,204 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var curves = exports;
|
||||
|
||||
var elliptic = require('../elliptic');
|
||||
|
||||
var assert = elliptic.utils.assert;
|
||||
|
||||
function PresetCurve(options) {
|
||||
if (options.type === 'short')
|
||||
this.curve = new elliptic.curve.short(options);
|
||||
else if (options.type === 'edwards')
|
||||
this.curve = new elliptic.curve.edwards(options);
|
||||
else
|
||||
this.curve = new elliptic.curve.mont(options);
|
||||
this.g = this.curve.g;
|
||||
this.n = this.curve.n;
|
||||
this.hash = options.hash;
|
||||
|
||||
assert(this.g.validate(), 'Invalid curve');
|
||||
assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
|
||||
}
|
||||
curves.PresetCurve = PresetCurve;
|
||||
|
||||
function defineCurve(name, options) {
|
||||
Object.defineProperty(curves, name, {
|
||||
configurable: true,
|
||||
enumerable: true,
|
||||
get: function() {
|
||||
var curve = new PresetCurve(options);
|
||||
Object.defineProperty(curves, name, {
|
||||
configurable: true,
|
||||
enumerable: true,
|
||||
value: curve
|
||||
});
|
||||
return curve;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
defineCurve('p192', {
|
||||
type: 'short',
|
||||
prime: 'p192',
|
||||
p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
|
||||
a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
|
||||
b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
|
||||
n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
|
||||
hash: 'SHA256',
|
||||
gRed: false,
|
||||
g: [
|
||||
'188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
|
||||
'07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('p224', {
|
||||
type: 'short',
|
||||
prime: 'p224',
|
||||
p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
|
||||
a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
|
||||
b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
|
||||
n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
|
||||
hash: 'SHA256',
|
||||
gRed: false,
|
||||
g: [
|
||||
'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
|
||||
'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('p256', {
|
||||
type: 'short',
|
||||
prime: null,
|
||||
p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
|
||||
a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
|
||||
b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
|
||||
n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
|
||||
hash: 'SHA256',
|
||||
gRed: false,
|
||||
g: [
|
||||
'6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
|
||||
'4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('p384', {
|
||||
type: 'short',
|
||||
prime: null,
|
||||
p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'fffffffe ffffffff 00000000 00000000 ffffffff',
|
||||
a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'fffffffe ffffffff 00000000 00000000 fffffffc',
|
||||
b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
|
||||
'5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
|
||||
n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
|
||||
'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
|
||||
hash: 'SHA384',
|
||||
gRed: false,
|
||||
g: [
|
||||
'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
|
||||
'5502f25d bf55296c 3a545e38 72760ab7',
|
||||
'3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
|
||||
'0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('p521', {
|
||||
type: 'short',
|
||||
prime: null,
|
||||
p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'ffffffff ffffffff ffffffff ffffffff ffffffff',
|
||||
a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'ffffffff ffffffff ffffffff ffffffff fffffffc',
|
||||
b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
|
||||
'99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
|
||||
'3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
|
||||
n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
||||
'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
|
||||
'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
|
||||
hash: 'SHA512',
|
||||
gRed: false,
|
||||
g: [
|
||||
'000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
|
||||
'053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
|
||||
'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
|
||||
'00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
|
||||
'579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
|
||||
'3fad0761 353c7086 a272c240 88be9476 9fd16650'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('curve25519', {
|
||||
type: 'mont',
|
||||
prime: 'p25519',
|
||||
p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
|
||||
a: '76d06',
|
||||
b: '1',
|
||||
n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
|
||||
hash: 'SHA256',
|
||||
gRed: false,
|
||||
g: [
|
||||
'9'
|
||||
]
|
||||
});
|
||||
|
||||
defineCurve('ed25519', {
|
||||
type: 'edwards',
|
||||
prime: 'p25519',
|
||||
p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
|
||||
a: '-1',
|
||||
c: '1',
|
||||
// -121665 * (121666^(-1)) (mod P)
|
||||
d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
|
||||
n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
|
||||
hash: 'SHA256',
|
||||
gRed: false,
|
||||
g: [
|
||||
'216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
|
||||
|
||||
// 4/5
|
||||
'6666666666666666666666666666666666666666666666666666666666666658'
|
||||
]
|
||||
});
|
||||
|
||||
var pre;
|
||||
try {
|
||||
pre = require('./precomputed/secp256k1');
|
||||
} catch (e) {
|
||||
pre = undefined;
|
||||
}
|
||||
|
||||
defineCurve('secp256k1', {
|
||||
type: 'short',
|
||||
prime: 'k256',
|
||||
p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
|
||||
a: '0',
|
||||
b: '7',
|
||||
n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
|
||||
h: '1',
|
||||
hash: 'SHA256',
|
||||
|
||||
// Precomputed endomorphism
|
||||
beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
|
||||
lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
|
||||
basis: [
|
||||
{
|
||||
a: '3086d221a7d46bcde86c90e49284eb15',
|
||||
b: '-e4437ed6010e88286f547fa90abfe4c3'
|
||||
},
|
||||
{
|
||||
a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
|
||||
b: '3086d221a7d46bcde86c90e49284eb15'
|
||||
}
|
||||
],
|
||||
|
||||
gRed: false,
|
||||
g: [
|
||||
'79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
|
||||
'483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
|
||||
pre
|
||||
]
|
||||
});
|
||||
Generated
Vendored
-240
@@ -1,240 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var BN = require('../../../../BN/bn');
|
||||
var HmacDRBG = require('../../hmac-drbg/hmac-drbg');
|
||||
var elliptic = require('../../elliptic');
|
||||
var utils = elliptic.utils;
|
||||
var assert = utils.assert;
|
||||
|
||||
var KeyPair = require('./key');
|
||||
var Signature = require('./signature');
|
||||
|
||||
function EC(options) {
|
||||
if (!(this instanceof EC))
|
||||
return new EC(options);
|
||||
|
||||
// Shortcut `elliptic.ec(curve-name)`
|
||||
if (typeof options === 'string') {
|
||||
assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
|
||||
|
||||
options = elliptic.curves[options];
|
||||
}
|
||||
|
||||
// Shortcut for `elliptic.ec(elliptic.curves.curveName)`
|
||||
if (options instanceof elliptic.curves.PresetCurve)
|
||||
options = { curve: options };
|
||||
|
||||
this.curve = options.curve.curve;
|
||||
this.n = this.curve.n;
|
||||
this.nh = this.n.ushrn(1);
|
||||
this.g = this.curve.g;
|
||||
|
||||
// Point on curve
|
||||
this.g = options.curve.g;
|
||||
this.g.precompute(options.curve.n.bitLength() + 1);
|
||||
|
||||
// Hash for function for DRBG
|
||||
this.hash = options.hash || options.curve.hash;
|
||||
}
|
||||
module.exports = EC;
|
||||
|
||||
EC.prototype.keyPair = function keyPair(options) {
|
||||
return new KeyPair(this, options);
|
||||
};
|
||||
|
||||
EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
|
||||
return KeyPair.fromPrivate(this, priv, enc);
|
||||
};
|
||||
|
||||
EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
|
||||
return KeyPair.fromPublic(this, pub, enc);
|
||||
};
|
||||
|
||||
EC.prototype.genKeyPair = function genKeyPair(options) {
|
||||
if (!options)
|
||||
options = {};
|
||||
|
||||
// Instantiate Hmac_DRBG
|
||||
var drbg = new HmacDRBG({
|
||||
hash: this.hash,
|
||||
pers: options.pers,
|
||||
persEnc: options.persEnc || 'utf8',
|
||||
entropy: options.entropy || null, //elliptic.rand(this.hash.hmacStrength),
|
||||
entropyEnc: options.entropy && options.entropyEnc || 'utf8',
|
||||
nonce: this.n.toArray()
|
||||
});
|
||||
|
||||
var bytes = this.n.byteLength();
|
||||
var ns2 = this.n.sub(new BN(2));
|
||||
do {
|
||||
var priv = new BN(drbg.generate(bytes));
|
||||
if (priv.cmp(ns2) > 0)
|
||||
continue;
|
||||
|
||||
priv.iaddn(1);
|
||||
return this.keyFromPrivate(priv);
|
||||
} while (true);
|
||||
};
|
||||
|
||||
EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
|
||||
var delta = msg.byteLength() * 8 - this.n.bitLength();
|
||||
if (delta > 0)
|
||||
msg = msg.ushrn(delta);
|
||||
if (!truncOnly && msg.cmp(this.n) >= 0)
|
||||
return msg.sub(this.n);
|
||||
else
|
||||
return msg;
|
||||
};
|
||||
|
||||
EC.prototype.sign = function sign(msg, key, enc, options) {
|
||||
if (typeof enc === 'object') {
|
||||
options = enc;
|
||||
enc = null;
|
||||
}
|
||||
if (!options)
|
||||
options = {};
|
||||
|
||||
key = this.keyFromPrivate(key, enc);
|
||||
msg = this._truncateToN(new BN(msg, 16));
|
||||
|
||||
// Zero-extend key to provide enough entropy
|
||||
var bytes = this.n.byteLength();
|
||||
var bkey = key.getPrivate().toArray('be', bytes);
|
||||
|
||||
// Zero-extend nonce to have the same byte size as N
|
||||
var nonce = msg.toArray('be', bytes);
|
||||
|
||||
// Instantiate Hmac_DRBG
|
||||
var drbg = new HmacDRBG({
|
||||
hash: this.hash,
|
||||
entropy: options['extraEntropy'] ? bkey.concat (options['extraEntropy']) : bkey,
|
||||
nonce: nonce,
|
||||
pers: options.pers,
|
||||
persEnc: options.persEnc || 'utf8'
|
||||
});
|
||||
|
||||
// Number of bytes to generate
|
||||
var ns1 = this.n.sub(new BN(1));
|
||||
|
||||
for (var iter = 0; true; iter++) {
|
||||
var k = options.k ?
|
||||
options.k(iter) :
|
||||
new BN(drbg.generate(this.n.byteLength()));
|
||||
k = this._truncateToN(k, true);
|
||||
if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
|
||||
continue;
|
||||
|
||||
var kp = this.g.mul(k);
|
||||
if (kp.isInfinity())
|
||||
continue;
|
||||
|
||||
var kpX = kp.getX();
|
||||
var r = kpX.umod(this.n);
|
||||
if (r.cmpn(0) === 0)
|
||||
continue;
|
||||
|
||||
var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
|
||||
s = s.umod(this.n);
|
||||
if (s.cmpn(0) === 0)
|
||||
continue;
|
||||
|
||||
var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
|
||||
(kpX.cmp(r) !== 0 ? 2 : 0);
|
||||
|
||||
// Use complement of `s`, if it is > `n / 2`
|
||||
if (options.canonical && s.cmp(this.nh) > 0) {
|
||||
s = this.n.sub(s);
|
||||
recoveryParam ^= 1;
|
||||
}
|
||||
|
||||
return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
|
||||
}
|
||||
};
|
||||
|
||||
EC.prototype.verify = function verify(msg, signature, key, enc) {
|
||||
msg = this._truncateToN(new BN(msg, 16));
|
||||
key = this.keyFromPublic(key, enc);
|
||||
signature = new Signature(signature, 'hex');
|
||||
|
||||
// Perform primitive values validation
|
||||
var r = signature.r;
|
||||
var s = signature.s;
|
||||
if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
|
||||
return false;
|
||||
if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
|
||||
return false;
|
||||
|
||||
// Validate signature
|
||||
var sinv = s.invm(this.n);
|
||||
var u1 = sinv.mul(msg).umod(this.n);
|
||||
var u2 = sinv.mul(r).umod(this.n);
|
||||
|
||||
if (!this.curve._maxwellTrick) {
|
||||
var p = this.g.mulAdd(u1, key.getPublic(), u2);
|
||||
if (p.isInfinity())
|
||||
return false;
|
||||
|
||||
return p.getX().umod(this.n).cmp(r) === 0;
|
||||
}
|
||||
|
||||
// NOTE: Greg Maxwell's trick, inspired by:
|
||||
// https://git.io/vad3K
|
||||
|
||||
var p = this.g.jmulAdd(u1, key.getPublic(), u2);
|
||||
if (p.isInfinity())
|
||||
return false;
|
||||
|
||||
// Compare `p.x` of Jacobian point with `r`,
|
||||
// this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
|
||||
// inverse of `p.z^2`
|
||||
return p.eqXToP(r);
|
||||
};
|
||||
|
||||
EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
|
||||
assert((3 & j) === j, 'The recovery param is more than two bits');
|
||||
signature = new Signature(signature, enc);
|
||||
|
||||
var n = this.n;
|
||||
var e = new BN(msg);
|
||||
var r = signature.r;
|
||||
var s = signature.s;
|
||||
|
||||
// A set LSB signifies that the y-coordinate is odd
|
||||
var isYOdd = j & 1;
|
||||
var isSecondKey = j >> 1;
|
||||
if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
|
||||
throw new Error('Unable to find sencond key candinate');
|
||||
|
||||
// 1.1. Let x = r + jn.
|
||||
if (isSecondKey)
|
||||
r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
|
||||
else
|
||||
r = this.curve.pointFromX(r, isYOdd);
|
||||
|
||||
var rInv = signature.r.invm(n);
|
||||
var s1 = n.sub(e).mul(rInv).umod(n);
|
||||
var s2 = s.mul(rInv).umod(n);
|
||||
|
||||
// 1.6.1 Compute Q = r^-1 (sR - eG)
|
||||
// Q = r^-1 (sR + -eG)
|
||||
return this.g.mulAdd(s1, r, s2);
|
||||
};
|
||||
|
||||
EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
|
||||
signature = new Signature(signature, enc);
|
||||
if (signature.recoveryParam !== null)
|
||||
return signature.recoveryParam;
|
||||
|
||||
for (var i = 0; i < 4; i++) {
|
||||
var Qprime;
|
||||
try {
|
||||
Qprime = this.recoverPubKey(e, signature, i);
|
||||
} catch (e) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (Qprime.eq(Q))
|
||||
return i;
|
||||
}
|
||||
throw new Error('Unable to find valid recovery factor');
|
||||
};
|
||||
Generated
Vendored
-119
@@ -1,119 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var BN = require('../../../../BN/bn');
|
||||
var elliptic = require('../../elliptic');
|
||||
var utils = elliptic.utils;
|
||||
var assert = utils.assert;
|
||||
|
||||
function KeyPair(ec, options) {
|
||||
this.ec = ec;
|
||||
this.priv = null;
|
||||
this.pub = null;
|
||||
|
||||
// KeyPair(ec, { priv: ..., pub: ... })
|
||||
if (options.priv)
|
||||
this._importPrivate(options.priv, options.privEnc);
|
||||
if (options.pub)
|
||||
this._importPublic(options.pub, options.pubEnc);
|
||||
}
|
||||
module.exports = KeyPair;
|
||||
|
||||
KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
|
||||
if (pub instanceof KeyPair)
|
||||
return pub;
|
||||
|
||||
return new KeyPair(ec, {
|
||||
pub: pub,
|
||||
pubEnc: enc
|
||||
});
|
||||
};
|
||||
|
||||
KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
|
||||
if (priv instanceof KeyPair)
|
||||
return priv;
|
||||
|
||||
return new KeyPair(ec, {
|
||||
priv: priv,
|
||||
privEnc: enc
|
||||
});
|
||||
};
|
||||
|
||||
KeyPair.prototype.validate = function validate() {
|
||||
var pub = this.getPublic();
|
||||
|
||||
if (pub.isInfinity())
|
||||
return { result: false, reason: 'Invalid public key' };
|
||||
if (!pub.validate())
|
||||
return { result: false, reason: 'Public key is not a point' };
|
||||
if (!pub.mul(this.ec.curve.n).isInfinity())
|
||||
return { result: false, reason: 'Public key * N != O' };
|
||||
|
||||
return { result: true, reason: null };
|
||||
};
|
||||
|
||||
KeyPair.prototype.getPublic = function getPublic(compact, enc) {
|
||||
// compact is optional argument
|
||||
if (typeof compact === 'string') {
|
||||
enc = compact;
|
||||
compact = null;
|
||||
}
|
||||
|
||||
if (!this.pub)
|
||||
this.pub = this.ec.g.mul(this.priv);
|
||||
|
||||
if (!enc)
|
||||
return this.pub;
|
||||
|
||||
return this.pub.encode(enc, compact);
|
||||
};
|
||||
|
||||
KeyPair.prototype.getPrivate = function getPrivate(enc) {
|
||||
if (enc === 'hex')
|
||||
return this.priv.toString(16, 2);
|
||||
else
|
||||
return this.priv;
|
||||
};
|
||||
|
||||
KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
|
||||
this.priv = new BN(key, enc || 16);
|
||||
|
||||
// Ensure that the priv won't be bigger than n, otherwise we may fail
|
||||
// in fixed multiplication method
|
||||
this.priv = this.priv.umod(this.ec.curve.n);
|
||||
};
|
||||
|
||||
KeyPair.prototype._importPublic = function _importPublic(key, enc) {
|
||||
if (key.x || key.y) {
|
||||
// Montgomery points only have an `x` coordinate.
|
||||
// Weierstrass/Edwards points on the other hand have both `x` and
|
||||
// `y` coordinates.
|
||||
if (this.ec.curve.type === 'mont') {
|
||||
assert(key.x, 'Need x coordinate');
|
||||
} else if (this.ec.curve.type === 'short' ||
|
||||
this.ec.curve.type === 'edwards') {
|
||||
assert(key.x && key.y, 'Need both x and y coordinate');
|
||||
}
|
||||
this.pub = this.ec.curve.point(key.x, key.y);
|
||||
return;
|
||||
}
|
||||
this.pub = this.ec.curve.decodePoint(key, enc);
|
||||
};
|
||||
|
||||
// ECDH
|
||||
KeyPair.prototype.derive = function derive(pub) {
|
||||
return pub.mul(this.priv).getX();
|
||||
};
|
||||
|
||||
// ECDSA
|
||||
KeyPair.prototype.sign = function sign(msg, enc, options) {
|
||||
return this.ec.sign(msg, this, enc, options);
|
||||
};
|
||||
|
||||
KeyPair.prototype.verify = function verify(msg, signature) {
|
||||
return this.ec.verify(msg, signature, this);
|
||||
};
|
||||
|
||||
KeyPair.prototype.inspect = function inspect() {
|
||||
return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
|
||||
' pub: ' + (this.pub && this.pub.inspect()) + ' >';
|
||||
};
|
||||
Generated
Vendored
-24
@@ -1,24 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var BN = require('../../../../BN/bn');
|
||||
|
||||
var elliptic = require('../../elliptic');
|
||||
var utils = elliptic.utils;
|
||||
var assert = utils.assert;
|
||||
|
||||
function Signature(options, enc) {
|
||||
if (options instanceof Signature)
|
||||
return options;
|
||||
|
||||
//if (this._importDER(options, enc))
|
||||
// return;
|
||||
|
||||
assert(options.r && options.s, 'Signature without r or s');
|
||||
this.r = new BN(options.r, 16);
|
||||
this.s = new BN(options.s, 16);
|
||||
if (options.recoveryParam === undefined)
|
||||
this.recoveryParam = null;
|
||||
else
|
||||
this.recoveryParam = options.recoveryParam;
|
||||
}
|
||||
module.exports = Signature;
|
||||
Generated
Vendored
-780
@@ -1,780 +0,0 @@
|
||||
module.exports = {
|
||||
doubles: {
|
||||
step: 4,
|
||||
points: [
|
||||
[
|
||||
'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
|
||||
'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
|
||||
],
|
||||
[
|
||||
'8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
|
||||
'11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
|
||||
],
|
||||
[
|
||||
'175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
|
||||
'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
|
||||
],
|
||||
[
|
||||
'363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
|
||||
'4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
|
||||
],
|
||||
[
|
||||
'8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
|
||||
'4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
|
||||
],
|
||||
[
|
||||
'723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
|
||||
'96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
|
||||
],
|
||||
[
|
||||
'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
|
||||
'5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
|
||||
],
|
||||
[
|
||||
'100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
|
||||
'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
|
||||
],
|
||||
[
|
||||
'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
|
||||
'9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
|
||||
],
|
||||
[
|
||||
'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
|
||||
'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088'
|
||||
],
|
||||
[
|
||||
'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
|
||||
'9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d'
|
||||
],
|
||||
[
|
||||
'53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
|
||||
'5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8'
|
||||
],
|
||||
[
|
||||
'8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
|
||||
'10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a'
|
||||
],
|
||||
[
|
||||
'385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
|
||||
'283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453'
|
||||
],
|
||||
[
|
||||
'6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
|
||||
'7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160'
|
||||
],
|
||||
[
|
||||
'3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd',
|
||||
'56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0'
|
||||
],
|
||||
[
|
||||
'85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83',
|
||||
'7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6'
|
||||
],
|
||||
[
|
||||
'948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a',
|
||||
'53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589'
|
||||
],
|
||||
[
|
||||
'6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8',
|
||||
'bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17'
|
||||
],
|
||||
[
|
||||
'e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d',
|
||||
'4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda'
|
||||
],
|
||||
[
|
||||
'e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725',
|
||||
'7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd'
|
||||
],
|
||||
[
|
||||
'213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754',
|
||||
'4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2'
|
||||
],
|
||||
[
|
||||
'4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c',
|
||||
'17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6'
|
||||
],
|
||||
[
|
||||
'fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6',
|
||||
'6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f'
|
||||
],
|
||||
[
|
||||
'76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39',
|
||||
'c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01'
|
||||
],
|
||||
[
|
||||
'c738c56b03b2abe1e8281baa743f8f9a8f7cc643df26cbee3ab150242bcbb891',
|
||||
'893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3'
|
||||
],
|
||||
[
|
||||
'd895626548b65b81e264c7637c972877d1d72e5f3a925014372e9f6588f6c14b',
|
||||
'febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f'
|
||||
],
|
||||
[
|
||||
'b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03',
|
||||
'2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7'
|
||||
],
|
||||
[
|
||||
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'52db0b5384dfbf05bfa9d472d7ae26dfe4b851ceca91b1eba54263180da32b63',
|
||||
'c3b997d050ee5d423ebaf66a6db9f57b3180c902875679de924b69d84a7b375'
|
||||
],
|
||||
[
|
||||
'e62f9490d3d51da6395efd24e80919cc7d0f29c3f3fa48c6fff543becbd43352',
|
||||
'6d89ad7ba4876b0b22c2ca280c682862f342c8591f1daf5170e07bfd9ccafa7d'
|
||||
],
|
||||
[
|
||||
'7f30ea2476b399b4957509c88f77d0191afa2ff5cb7b14fd6d8e7d65aaab1193',
|
||||
'ca5ef7d4b231c94c3b15389a5f6311e9daff7bb67b103e9880ef4bff637acaec'
|
||||
],
|
||||
[
|
||||
'5098ff1e1d9f14fb46a210fada6c903fef0fb7b4a1dd1d9ac60a0361800b7a00',
|
||||
'9731141d81fc8f8084d37c6e7542006b3ee1b40d60dfe5362a5b132fd17ddc0'
|
||||
],
|
||||
[
|
||||
'32b78c7de9ee512a72895be6b9cbefa6e2f3c4ccce445c96b9f2c81e2778ad58',
|
||||
'ee1849f513df71e32efc3896ee28260c73bb80547ae2275ba497237794c8753c'
|
||||
],
|
||||
[
|
||||
'e2cb74fddc8e9fbcd076eef2a7c72b0ce37d50f08269dfc074b581550547a4f7',
|
||||
'd3aa2ed71c9dd2247a62df062736eb0baddea9e36122d2be8641abcb005cc4a4'
|
||||
],
|
||||
[
|
||||
'8438447566d4d7bedadc299496ab357426009a35f235cb141be0d99cd10ae3a8',
|
||||
'c4e1020916980a4da5d01ac5e6ad330734ef0d7906631c4f2390426b2edd791f'
|
||||
],
|
||||
[
|
||||
'4162d488b89402039b584c6fc6c308870587d9c46f660b878ab65c82c711d67e',
|
||||
'67163e903236289f776f22c25fb8a3afc1732f2b84b4e95dbda47ae5a0852649'
|
||||
],
|
||||
[
|
||||
'3fad3fa84caf0f34f0f89bfd2dcf54fc175d767aec3e50684f3ba4a4bf5f683d',
|
||||
'cd1bc7cb6cc407bb2f0ca647c718a730cf71872e7d0d2a53fa20efcdfe61826'
|
||||
],
|
||||
[
|
||||
'674f2600a3007a00568c1a7ce05d0816c1fb84bf1370798f1c69532faeb1a86b',
|
||||
'299d21f9413f33b3edf43b257004580b70db57da0b182259e09eecc69e0d38a5'
|
||||
],
|
||||
[
|
||||
'd32f4da54ade74abb81b815ad1fb3b263d82d6c692714bcff87d29bd5ee9f08f',
|
||||
'f9429e738b8e53b968e99016c059707782e14f4535359d582fc416910b3eea87'
|
||||
],
|
||||
[
|
||||
'30e4e670435385556e593657135845d36fbb6931f72b08cb1ed954f1e3ce3ff6',
|
||||
'462f9bce619898638499350113bbc9b10a878d35da70740dc695a559eb88db7b'
|
||||
],
|
||||
[
|
||||
'be2062003c51cc3004682904330e4dee7f3dcd10b01e580bf1971b04d4cad297',
|
||||
'62188bc49d61e5428573d48a74e1c655b1c61090905682a0d5558ed72dccb9bc'
|
||||
],
|
||||
[
|
||||
'93144423ace3451ed29e0fb9ac2af211cb6e84a601df5993c419859fff5df04a',
|
||||
'7c10dfb164c3425f5c71a3f9d7992038f1065224f72bb9d1d902a6d13037b47c'
|
||||
],
|
||||
[
|
||||
'b015f8044f5fcbdcf21ca26d6c34fb8197829205c7b7d2a7cb66418c157b112c',
|
||||
'ab8c1e086d04e813744a655b2df8d5f83b3cdc6faa3088c1d3aea1454e3a1d5f'
|
||||
],
|
||||
[
|
||||
'd5e9e1da649d97d89e4868117a465a3a4f8a18de57a140d36b3f2af341a21b52',
|
||||
'4cb04437f391ed73111a13cc1d4dd0db1693465c2240480d8955e8592f27447a'
|
||||
],
|
||||
[
|
||||
'd3ae41047dd7ca065dbf8ed77b992439983005cd72e16d6f996a5316d36966bb',
|
||||
'bd1aeb21ad22ebb22a10f0303417c6d964f8cdd7df0aca614b10dc14d125ac46'
|
||||
],
|
||||
[
|
||||
'463e2763d885f958fc66cdd22800f0a487197d0a82e377b49f80af87c897b065',
|
||||
'bfefacdb0e5d0fd7df3a311a94de062b26b80c61fbc97508b79992671ef7ca7f'
|
||||
],
|
||||
[
|
||||
'7985fdfd127c0567c6f53ec1bb63ec3158e597c40bfe747c83cddfc910641917',
|
||||
'603c12daf3d9862ef2b25fe1de289aed24ed291e0ec6708703a5bd567f32ed03'
|
||||
],
|
||||
[
|
||||
'74a1ad6b5f76e39db2dd249410eac7f99e74c59cb83d2d0ed5ff1543da7703e9',
|
||||
'cc6157ef18c9c63cd6193d83631bbea0093e0968942e8c33d5737fd790e0db08'
|
||||
],
|
||||
[
|
||||
'30682a50703375f602d416664ba19b7fc9bab42c72747463a71d0896b22f6da3',
|
||||
'553e04f6b018b4fa6c8f39e7f311d3176290d0e0f19ca73f17714d9977a22ff8'
|
||||
],
|
||||
[
|
||||
'9e2158f0d7c0d5f26c3791efefa79597654e7a2b2464f52b1ee6c1347769ef57',
|
||||
'712fcdd1b9053f09003a3481fa7762e9ffd7c8ef35a38509e2fbf2629008373'
|
||||
],
|
||||
[
|
||||
'176e26989a43c9cfeba4029c202538c28172e566e3c4fce7322857f3be327d66',
|
||||
'ed8cc9d04b29eb877d270b4878dc43c19aefd31f4eee09ee7b47834c1fa4b1c3'
|
||||
],
|
||||
[
|
||||
'75d46efea3771e6e68abb89a13ad747ecf1892393dfc4f1b7004788c50374da8',
|
||||
'9852390a99507679fd0b86fd2b39a868d7efc22151346e1a3ca4726586a6bed8'
|
||||
],
|
||||
[
|
||||
'809a20c67d64900ffb698c4c825f6d5f2310fb0451c869345b7319f645605721',
|
||||
'9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1'
|
||||
],
|
||||
[
|
||||
'1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
|
||||
'4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9'
|
||||
]
|
||||
]
|
||||
}
|
||||
};
|
||||
Generated
Vendored
-156
@@ -1,156 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var utils = exports;
|
||||
var BN = require('../../../BN/bn');
|
||||
|
||||
utils.assert = function (condition, errorMessage) {
|
||||
if (!condition) {
|
||||
throw new Error(errorMessage)
|
||||
}
|
||||
};
|
||||
|
||||
// Represent num in a w-NAF form
|
||||
function getNAF(num, w) {
|
||||
var naf = [];
|
||||
var ws = 1 << (w + 1);
|
||||
var k = num.clone();
|
||||
while (k.cmpn(1) >= 0) {
|
||||
var z;
|
||||
if (k.isOdd()) {
|
||||
var mod = k.andln(ws - 1);
|
||||
if (mod > (ws >> 1) - 1)
|
||||
z = (ws >> 1) - mod;
|
||||
else
|
||||
z = mod;
|
||||
k.isubn(z);
|
||||
} else {
|
||||
z = 0;
|
||||
}
|
||||
naf.push(z);
|
||||
|
||||
// Optimization, shift by word if possible
|
||||
var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
|
||||
for (var i = 1; i < shift; i++)
|
||||
naf.push(0);
|
||||
k.iushrn(shift);
|
||||
}
|
||||
|
||||
return naf;
|
||||
}
|
||||
utils.getNAF = getNAF;
|
||||
|
||||
// Represent k1, k2 in a Joint Sparse Form
|
||||
function getJSF(k1, k2) {
|
||||
var jsf = [
|
||||
[],
|
||||
[]
|
||||
];
|
||||
|
||||
k1 = k1.clone();
|
||||
k2 = k2.clone();
|
||||
var d1 = 0;
|
||||
var d2 = 0;
|
||||
while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
|
||||
|
||||
// First phase
|
||||
var m14 = (k1.andln(3) + d1) & 3;
|
||||
var m24 = (k2.andln(3) + d2) & 3;
|
||||
if (m14 === 3)
|
||||
m14 = -1;
|
||||
if (m24 === 3)
|
||||
m24 = -1;
|
||||
var u1;
|
||||
if ((m14 & 1) === 0) {
|
||||
u1 = 0;
|
||||
} else {
|
||||
var m8 = (k1.andln(7) + d1) & 7;
|
||||
if ((m8 === 3 || m8 === 5) && m24 === 2)
|
||||
u1 = -m14;
|
||||
else
|
||||
u1 = m14;
|
||||
}
|
||||
jsf[0].push(u1);
|
||||
|
||||
var u2;
|
||||
if ((m24 & 1) === 0) {
|
||||
u2 = 0;
|
||||
} else {
|
||||
var m8 = (k2.andln(7) + d2) & 7;
|
||||
if ((m8 === 3 || m8 === 5) && m14 === 2)
|
||||
u2 = -m24;
|
||||
else
|
||||
u2 = m24;
|
||||
}
|
||||
jsf[1].push(u2);
|
||||
|
||||
// Second phase
|
||||
if (2 * d1 === u1 + 1)
|
||||
d1 = 1 - d1;
|
||||
if (2 * d2 === u2 + 1)
|
||||
d2 = 1 - d2;
|
||||
k1.iushrn(1);
|
||||
k2.iushrn(1);
|
||||
}
|
||||
|
||||
return jsf;
|
||||
}
|
||||
utils.getJSF = getJSF;
|
||||
|
||||
function cachedProperty(obj, name, computer) {
|
||||
var key = '_' + name;
|
||||
obj.prototype[name] = function cachedProperty() {
|
||||
return this[key] !== undefined ? this[key] :
|
||||
this[key] = computer.call(this);
|
||||
};
|
||||
}
|
||||
utils.cachedProperty = cachedProperty;
|
||||
|
||||
function parseBytes(bytes) {
|
||||
return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
|
||||
bytes;
|
||||
}
|
||||
utils.parseBytes = parseBytes;
|
||||
|
||||
function intFromLE(bytes) {
|
||||
return new BN(bytes, 'hex', 'le');
|
||||
}
|
||||
utils.intFromLE = intFromLE;
|
||||
|
||||
// used to convert `CryptoJS` wordArrays into `crypto` hex buffers
|
||||
function wordToByteArray(word, length) {
|
||||
var ba = [],
|
||||
xFF = 0xFF;
|
||||
if (length > 0)
|
||||
ba.push(word >>> 24);
|
||||
if (length > 1)
|
||||
ba.push((word >>> 16) & xFF);
|
||||
if (length > 2)
|
||||
ba.push((word >>> 8) & xFF);
|
||||
if (length > 3)
|
||||
ba.push(word & xFF);
|
||||
|
||||
return ba;
|
||||
}
|
||||
|
||||
function wordArrayToBuffer(wordArray) {
|
||||
let length = undefined;
|
||||
if (wordArray.hasOwnProperty("sigBytes") && wordArray.hasOwnProperty("words")) {
|
||||
length = wordArray.sigBytes;
|
||||
wordArray = wordArray.words;
|
||||
} else {
|
||||
throw Error('Argument not a wordArray')
|
||||
}
|
||||
|
||||
const result = []
|
||||
let bytes = []
|
||||
let i = 0;
|
||||
while (length > 0) {
|
||||
bytes = wordToByteArray(wordArray[i], Math.min(4, length));
|
||||
length -= bytes.length;
|
||||
result.push(bytes);
|
||||
i++;
|
||||
}
|
||||
return [].concat.apply([], result)
|
||||
}
|
||||
|
||||
utils.wordArrayToBuffer = wordArrayToBuffer;
|
||||
Generated
Vendored
-114
@@ -1,114 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var CryptoJS = require('../../../crypto-js/crypto-js');
|
||||
var assert = require('../elliptic/utils').assert;
|
||||
var utils = require ('../elliptic/utils')
|
||||
var { byteArrayToWordArray } = require('../../../../base/functions/encode');
|
||||
|
||||
// some static stuff
|
||||
const ONE = CryptoJS.enc.Utf8.parse ('\x01')
|
||||
const ZERO = CryptoJS.enc.Utf8.parse ('\x00')
|
||||
|
||||
function HmacDRBG(options) {
|
||||
if (!(this instanceof HmacDRBG))
|
||||
return new HmacDRBG(options);
|
||||
this.hash = options.hash
|
||||
this.predResist = !!options.predResist;
|
||||
|
||||
this.outLen = this.hash.slice (3, 6); // only support SHAXXX hashes
|
||||
this.minEntropy = options.minEntropy || 192;
|
||||
|
||||
this._reseed = null;
|
||||
this.reseedInterval = null;
|
||||
this.K = null;
|
||||
this.V = null;
|
||||
|
||||
var entropy = options.entropy
|
||||
var nonce = options.nonce
|
||||
var pers = []
|
||||
assert(entropy.length >= (this.minEntropy / 8),
|
||||
'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
|
||||
this._init(entropy, nonce, pers);
|
||||
}
|
||||
module.exports = HmacDRBG;
|
||||
|
||||
HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
|
||||
var seed = entropy.concat(nonce).concat(pers);
|
||||
|
||||
this.K = new CryptoJS.lib.WordArray.init ()
|
||||
this.V = new CryptoJS.lib.WordArray.init ()
|
||||
const magicNumber = (1 << 24) + (1 << 16) + (1 << 8) + 1
|
||||
this.V.words = Array (this.outLen / 32).fill (magicNumber)
|
||||
this.V.sigBytes = 32
|
||||
this._update(seed);
|
||||
this._reseed = 1;
|
||||
this.reseedInterval = 0x1000000000000; // 2^48
|
||||
};
|
||||
|
||||
HmacDRBG.prototype._hmac = function hmac() {
|
||||
return new CryptoJS.lib.WordArray.init ();
|
||||
};
|
||||
|
||||
HmacDRBG.prototype._update = function update(seed) {
|
||||
var kmac = this._hmac ()
|
||||
kmac.concat (this.V)
|
||||
kmac.concat (ZERO)
|
||||
if (seed)
|
||||
kmac.concat (byteArrayToWordArray (seed));
|
||||
this.K = CryptoJS['Hmac' + this.hash] (kmac, this.K)
|
||||
this.V = CryptoJS['Hmac' + this.hash] (this.V, this.K)
|
||||
if (!seed)
|
||||
return;
|
||||
|
||||
kmac = this._hmac ()
|
||||
kmac.concat (this.V)
|
||||
kmac.concat (ONE)
|
||||
kmac.concat (byteArrayToWordArray (seed))
|
||||
this.K = CryptoJS['Hmac' + this.hash] (kmac, this.K)
|
||||
this.V = CryptoJS['Hmac' + this.hash] (this.V, this.K)
|
||||
};
|
||||
|
||||
HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
|
||||
// Optional entropy enc
|
||||
if (typeof entropyEnc !== 'string') {
|
||||
addEnc = add;
|
||||
add = entropyEnc;
|
||||
entropyEnc = null;
|
||||
}
|
||||
|
||||
//entropy = utils.toArray(entropy, entropyEnc);
|
||||
//add = utils.toArray(add, addEnc);
|
||||
|
||||
assert(entropy.length >= (this.minEntropy / 8),
|
||||
'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
|
||||
|
||||
this._update(entropy.concat(add || []));
|
||||
this._reseed = 1;
|
||||
};
|
||||
|
||||
HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
|
||||
if (this._reseed > this.reseedInterval)
|
||||
throw new Error ('Reseed is required');
|
||||
|
||||
// Optional encoding
|
||||
if (typeof enc !== 'string') {
|
||||
addEnc = add;
|
||||
add = enc;
|
||||
enc = null;
|
||||
}
|
||||
|
||||
// Optional additional data
|
||||
if (add) {
|
||||
add = CryptoJS.enc.Utf8.parse (add);
|
||||
this._update (add);
|
||||
}
|
||||
|
||||
var res = new CryptoJS.lib.WordArray.init ();
|
||||
while (res.sigBytes < len) {
|
||||
this.V = CryptoJS['Hmac' + this.hash] (this.V, this.K)
|
||||
res.concat (this.V);
|
||||
}
|
||||
this._update (add);
|
||||
this._reseed++;
|
||||
return utils.wordArrayToBuffer(res);
|
||||
};
|
||||
-39
@@ -1,39 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var fetch = require('../node-fetch/index');
|
||||
|
||||
function wrapFetchForNode(fetch) {
|
||||
// Support schemaless URIs on the server for parity with the browser.
|
||||
// https://github.com/matthew-andrews/isomorphic-fetch/pull/10
|
||||
const f = function (u, options) {
|
||||
if (typeof u === 'string' && u.slice(0, 2) === '//') {
|
||||
return fetch('https:' + u, options);
|
||||
}
|
||||
|
||||
return fetch(u, options);
|
||||
};
|
||||
// Igor Kroitor 2019 Dec 30
|
||||
// expose http and https
|
||||
// https://github.com/ccxt/ccxt/issues/6327
|
||||
f.http = fetch.http;
|
||||
f.https = fetch.https;
|
||||
return f;
|
||||
}
|
||||
|
||||
module.exports = function (context) {
|
||||
// This modifies the global `node-fetch` object, which isn't great, since
|
||||
// different callers to `fetch-ponyfill` which pass a different Promise
|
||||
// implementation would each expect to have their implementation used. But,
|
||||
// given the way `node-fetch` is implemented, this is the only way to make
|
||||
// it work at all.
|
||||
if (context && context.Promise) {
|
||||
fetch.Promise = context.Promise;
|
||||
}
|
||||
|
||||
return {
|
||||
fetch: wrapFetchForNode(fetch),
|
||||
Headers: fetch.Headers,
|
||||
Request: fetch.Request,
|
||||
Response: fetch.Response
|
||||
};
|
||||
};
|
||||
-1564
File diff suppressed because it is too large.
Load diff
-223
@@ -1,223 +0,0 @@
|
||||
/*!
|
||||
* RSA library for Node.js
|
||||
*
|
||||
* Author: rzcoder
|
||||
* License MIT
|
||||
*/
|
||||
|
||||
var rsa = require('./libs/rsa.js');
|
||||
var _ = require('./utils')._;
|
||||
var schemes = require('./schemes/schemes.js');
|
||||
var formats = require('./formats/formats.js');
|
||||
|
||||
module.exports = (function () {
|
||||
var SUPPORTED_HASH_ALGORITHMS = {
|
||||
browser: ['md5', 'ripemd160', 'sha1', 'sha256', 'sha512']
|
||||
};
|
||||
|
||||
var DEFAULT_ENCRYPTION_SCHEME = 'pkcs1';
|
||||
var DEFAULT_SIGNING_SCHEME = 'pkcs1';
|
||||
|
||||
var EXPORT_FORMAT_ALIASES = {
|
||||
'private': 'pkcs1-private-pem',
|
||||
'private-der': 'pkcs1-private-der',
|
||||
'public': 'pkcs8-public-pem',
|
||||
'public-der': 'pkcs8-public-der',
|
||||
};
|
||||
|
||||
/**
|
||||
* @param key {string|buffer|object} Key in PEM format, or data for generate key {b: bits, e: exponent}
|
||||
* @constructor
|
||||
*/
|
||||
function NodeRSA(key, format, options) {
|
||||
if (!(this instanceof NodeRSA)) {
|
||||
return new NodeRSA(key, format, options);
|
||||
}
|
||||
|
||||
if (_.isObject(format)) {
|
||||
options = format;
|
||||
format = undefined;
|
||||
}
|
||||
|
||||
this.$options = {
|
||||
signingScheme: DEFAULT_SIGNING_SCHEME,
|
||||
signingSchemeOptions: {
|
||||
hash: 'sha256',
|
||||
saltLength: null
|
||||
},
|
||||
encryptionScheme: DEFAULT_ENCRYPTION_SCHEME,
|
||||
encryptionSchemeOptions: {
|
||||
hash: 'sha1',
|
||||
label: null
|
||||
},
|
||||
environment: 'browser',
|
||||
rsaUtils: this
|
||||
};
|
||||
this.keyPair = new rsa.Key();
|
||||
this.$cache = {};
|
||||
|
||||
if (Buffer.isBuffer(key) || _.isString(key)) {
|
||||
this.importKey(key, format);
|
||||
} else if (_.isObject(key)) {
|
||||
this.generateKeyPair(key.b, key.e);
|
||||
}
|
||||
|
||||
this.setOptions(options);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set and validate options for key instance
|
||||
* @param options
|
||||
*/
|
||||
NodeRSA.prototype.setOptions = function (options) {
|
||||
options = options || {};
|
||||
if (options.environment) {
|
||||
this.$options.environment = options.environment;
|
||||
}
|
||||
|
||||
if (options.signingScheme) {
|
||||
if (_.isString(options.signingScheme)) {
|
||||
var signingScheme = options.signingScheme.toLowerCase().split('-');
|
||||
if (signingScheme.length == 1) {
|
||||
if (SUPPORTED_HASH_ALGORITHMS.node.indexOf(signingScheme[0]) > -1) {
|
||||
this.$options.signingSchemeOptions = {
|
||||
hash: signingScheme[0]
|
||||
};
|
||||
this.$options.signingScheme = DEFAULT_SIGNING_SCHEME;
|
||||
} else {
|
||||
this.$options.signingScheme = signingScheme[0];
|
||||
this.$options.signingSchemeOptions = {
|
||||
hash: null
|
||||
};
|
||||
}
|
||||
} else {
|
||||
this.$options.signingSchemeOptions = {
|
||||
hash: signingScheme[1]
|
||||
};
|
||||
this.$options.signingScheme = signingScheme[0];
|
||||
}
|
||||
} else if (_.isObject(options.signingScheme)) {
|
||||
this.$options.signingScheme = options.signingScheme.scheme || DEFAULT_SIGNING_SCHEME;
|
||||
this.$options.signingSchemeOptions = _.omit(options.signingScheme, 'scheme');
|
||||
}
|
||||
|
||||
if (!schemes.isSignature(this.$options.signingScheme)) {
|
||||
throw Error('Unsupported signing scheme');
|
||||
}
|
||||
|
||||
if (this.$options.signingSchemeOptions.hash &&
|
||||
SUPPORTED_HASH_ALGORITHMS[this.$options.environment].indexOf(this.$options.signingSchemeOptions.hash) === -1) {
|
||||
throw Error('Unsupported hashing algorithm for ' + this.$options.environment + ' environment');
|
||||
}
|
||||
}
|
||||
|
||||
if (options.encryptionScheme) {
|
||||
if (_.isString(options.encryptionScheme)) {
|
||||
this.$options.encryptionScheme = options.encryptionScheme.toLowerCase();
|
||||
this.$options.encryptionSchemeOptions = {};
|
||||
} else if (_.isObject(options.encryptionScheme)) {
|
||||
this.$options.encryptionScheme = options.encryptionScheme.scheme || DEFAULT_ENCRYPTION_SCHEME;
|
||||
this.$options.encryptionSchemeOptions = _.omit(options.encryptionScheme, 'scheme');
|
||||
}
|
||||
|
||||
if (!schemes.isEncryption(this.$options.encryptionScheme)) {
|
||||
throw Error('Unsupported encryption scheme');
|
||||
}
|
||||
|
||||
if (this.$options.encryptionSchemeOptions.hash &&
|
||||
SUPPORTED_HASH_ALGORITHMS[this.$options.environment].indexOf(this.$options.encryptionSchemeOptions.hash) === -1) {
|
||||
throw Error('Unsupported hashing algorithm for ' + this.$options.environment + ' environment');
|
||||
}
|
||||
}
|
||||
|
||||
this.keyPair.setOptions(this.$options);
|
||||
};
|
||||
|
||||
/**
|
||||
* Importing key
|
||||
* @param keyData {string|buffer|Object}
|
||||
* @param format {string}
|
||||
*/
|
||||
NodeRSA.prototype.importKey = function (keyData, format) {
|
||||
if (!keyData) {
|
||||
throw Error("Empty key given");
|
||||
}
|
||||
|
||||
if (format) {
|
||||
format = EXPORT_FORMAT_ALIASES[format] || format;
|
||||
}
|
||||
|
||||
if (!formats.detectAndImport(this.keyPair, keyData, format) && format === undefined) {
|
||||
throw Error("Key format must be specified");
|
||||
}
|
||||
|
||||
this.$cache = {};
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Check if key pair contains private key
|
||||
*/
|
||||
NodeRSA.prototype.isPrivate = function () {
|
||||
return this.keyPair.isPrivate();
|
||||
};
|
||||
|
||||
/**
|
||||
* Check if key pair contains public key
|
||||
* @param [strict] {boolean} - public key only, return false if have private exponent
|
||||
*/
|
||||
NodeRSA.prototype.isPublic = function (strict) {
|
||||
return this.keyPair.isPublic(strict);
|
||||
};
|
||||
|
||||
/**
|
||||
* Check if key pair doesn't contains any data
|
||||
*/
|
||||
NodeRSA.prototype.isEmpty = function (strict) {
|
||||
return !(this.keyPair.n || this.keyPair.e || this.keyPair.d);
|
||||
};
|
||||
|
||||
/**
|
||||
* Signing data
|
||||
*
|
||||
* @param buffer {string|number|object|array|Buffer} - data for signing. Object and array will convert to JSON string.
|
||||
* @param encoding {string} - optional. Encoding for output result, may be 'buffer', 'binary', 'hex' or 'base64'. Default 'buffer'.
|
||||
* @param source_encoding {string} - optional. Encoding for given string. Default utf8.
|
||||
* @returns {string|Buffer}
|
||||
*/
|
||||
NodeRSA.prototype.sign = function (buffer, encoding, source_encoding) {
|
||||
if (!this.isPrivate()) {
|
||||
throw Error("This is not private key");
|
||||
}
|
||||
|
||||
var res = this.keyPair.sign(this.$getDataForEncrypt(buffer, source_encoding));
|
||||
|
||||
if (encoding && encoding != 'buffer') {
|
||||
res = res.toString(encoding);
|
||||
}
|
||||
|
||||
return res;
|
||||
};
|
||||
|
||||
/**
|
||||
* Preparing given data for encrypting/signing. Just make new/return Buffer object.
|
||||
*
|
||||
* @param buffer {string|number|object|array|Buffer} - data for encrypting. Object and array will convert to JSON string.
|
||||
* @param encoding {string} - optional. Encoding for given string. Default utf8.
|
||||
* @returns {Buffer}
|
||||
*/
|
||||
NodeRSA.prototype.$getDataForEncrypt = function (buffer, encoding) {
|
||||
if (_.isString(buffer) || _.isNumber(buffer)) {
|
||||
return Buffer.from('' + buffer, encoding || 'utf8');
|
||||
} else if (Buffer.isBuffer(buffer)) {
|
||||
return buffer;
|
||||
} else if (_.isObject(buffer)) {
|
||||
return Buffer.from(JSON.stringify(buffer));
|
||||
} else {
|
||||
throw Error("Unexpected data type");
|
||||
}
|
||||
};
|
||||
|
||||
return NodeRSA;
|
||||
})();
|
||||
-13
@@ -1,13 +0,0 @@
|
||||
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
|
||||
|
||||
|
||||
module.exports = {
|
||||
|
||||
newInvalidAsn1Error: function (msg) {
|
||||
var e = new Error();
|
||||
e.name = 'InvalidAsn1Error';
|
||||
e.message = msg || '';
|
||||
return e;
|
||||
}
|
||||
|
||||
};
|
||||
-21
@@ -1,21 +0,0 @@
|
||||
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
|
||||
|
||||
var errors = require('./errors');
|
||||
var types = require('./types');
|
||||
|
||||
var Reader = require('./reader');
|
||||
|
||||
// --- Exports
|
||||
|
||||
module.exports = {
|
||||
Reader: Reader,
|
||||
};
|
||||
|
||||
for (var t in types) {
|
||||
if (types.hasOwnProperty(t))
|
||||
module.exports[t] = types[t];
|
||||
}
|
||||
for (var e in errors) {
|
||||
if (errors.hasOwnProperty(e))
|
||||
module.exports[e] = errors[e];
|
||||
}
|
||||
-262
@@ -1,262 +0,0 @@
|
||||
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
|
||||
|
||||
var assert = require('assert');
|
||||
// var Buffer = require('safer-buffer').Buffer;
|
||||
|
||||
var ASN1 = require('./types');
|
||||
var errors = require('./errors');
|
||||
|
||||
|
||||
// --- Globals
|
||||
|
||||
var newInvalidAsn1Error = errors.newInvalidAsn1Error;
|
||||
|
||||
|
||||
|
||||
// --- API
|
||||
|
||||
function Reader(data) {
|
||||
if (!data || !Buffer.isBuffer(data))
|
||||
throw new TypeError('data must be a node Buffer');
|
||||
|
||||
this._buf = data;
|
||||
this._size = data.length;
|
||||
|
||||
// These hold the "current" state
|
||||
this._len = 0;
|
||||
this._offset = 0;
|
||||
}
|
||||
|
||||
Object.defineProperty(Reader.prototype, 'length', {
|
||||
enumerable: true,
|
||||
get: function () { return (this._len); }
|
||||
});
|
||||
|
||||
Object.defineProperty(Reader.prototype, 'offset', {
|
||||
enumerable: true,
|
||||
get: function () { return (this._offset); }
|
||||
});
|
||||
|
||||
Object.defineProperty(Reader.prototype, 'remain', {
|
||||
get: function () { return (this._size - this._offset); }
|
||||
});
|
||||
|
||||
Object.defineProperty(Reader.prototype, 'buffer', {
|
||||
get: function () { return (this._buf.slice(this._offset)); }
|
||||
});
|
||||
|
||||
|
||||
/**
|
||||
* Reads a single byte and advances offset; you can pass in `true` to make this
|
||||
* a "peek" operation (i.e., get the byte, but don't advance the offset).
|
||||
*
|
||||
* @param {Boolean} peek true means don't move offset.
|
||||
* @return {Number} the next byte, null if not enough data.
|
||||
*/
|
||||
Reader.prototype.readByte = function (peek) {
|
||||
if (this._size - this._offset < 1)
|
||||
return null;
|
||||
|
||||
var b = this._buf[this._offset] & 0xff;
|
||||
|
||||
if (!peek)
|
||||
this._offset += 1;
|
||||
|
||||
return b;
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype.peek = function () {
|
||||
return this.readByte(true);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Reads a (potentially) variable length off the BER buffer. This call is
|
||||
* not really meant to be called directly, as callers have to manipulate
|
||||
* the internal buffer afterwards.
|
||||
*
|
||||
* As a result of this call, you can call `Reader.length`, until the
|
||||
* next thing called that does a readLength.
|
||||
*
|
||||
* @return {Number} the amount of offset to advance the buffer.
|
||||
* @throws {InvalidAsn1Error} on bad ASN.1
|
||||
*/
|
||||
Reader.prototype.readLength = function (offset) {
|
||||
if (offset === undefined)
|
||||
offset = this._offset;
|
||||
|
||||
if (offset >= this._size)
|
||||
return null;
|
||||
|
||||
var lenB = this._buf[offset++] & 0xff;
|
||||
if (lenB === null)
|
||||
return null;
|
||||
|
||||
if ((lenB & 0x80) === 0x80) {
|
||||
lenB &= 0x7f;
|
||||
|
||||
if (lenB === 0)
|
||||
throw newInvalidAsn1Error('Indefinite length not supported');
|
||||
|
||||
if (lenB > 4)
|
||||
throw newInvalidAsn1Error('encoding too long');
|
||||
|
||||
if (this._size - offset < lenB)
|
||||
return null;
|
||||
|
||||
this._len = 0;
|
||||
for (var i = 0; i < lenB; i++)
|
||||
this._len = (this._len << 8) + (this._buf[offset++] & 0xff);
|
||||
|
||||
} else {
|
||||
// Wasn't a variable length
|
||||
this._len = lenB;
|
||||
}
|
||||
|
||||
return offset;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Parses the next sequence in this BER buffer.
|
||||
*
|
||||
* To get the length of the sequence, call `Reader.length`.
|
||||
*
|
||||
* @return {Number} the sequence's tag.
|
||||
*/
|
||||
Reader.prototype.readSequence = function (tag) {
|
||||
var seq = this.peek();
|
||||
if (seq === null)
|
||||
return null;
|
||||
if (tag !== undefined && tag !== seq)
|
||||
throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
|
||||
': got 0x' + seq.toString(16));
|
||||
|
||||
var o = this.readLength(this._offset + 1); // stored in `length`
|
||||
if (o === null)
|
||||
return null;
|
||||
|
||||
this._offset = o;
|
||||
return seq;
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype.readInt = function () {
|
||||
return this._readTag(ASN1.Integer);
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype.readBoolean = function () {
|
||||
return (this._readTag(ASN1.Boolean) === 0 ? false : true);
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype.readEnumeration = function () {
|
||||
return this._readTag(ASN1.Enumeration);
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype.readString = function (tag, retbuf) {
|
||||
if (!tag)
|
||||
tag = ASN1.OctetString;
|
||||
|
||||
var b = this.peek();
|
||||
if (b === null)
|
||||
return null;
|
||||
|
||||
if (b !== tag)
|
||||
throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
|
||||
': got 0x' + b.toString(16));
|
||||
|
||||
var o = this.readLength(this._offset + 1); // stored in `length`
|
||||
|
||||
if (o === null)
|
||||
return null;
|
||||
|
||||
if (this.length > this._size - o)
|
||||
return null;
|
||||
|
||||
this._offset = o;
|
||||
|
||||
if (this.length === 0)
|
||||
return retbuf ? Buffer.alloc(0) : '';
|
||||
|
||||
var str = this._buf.slice(this._offset, this._offset + this.length);
|
||||
this._offset += this.length;
|
||||
|
||||
return retbuf ? str : str.toString('utf8');
|
||||
};
|
||||
|
||||
Reader.prototype.readOID = function (tag) {
|
||||
if (!tag)
|
||||
tag = ASN1.OID;
|
||||
|
||||
var b = this.readString(tag, true);
|
||||
if (b === null)
|
||||
return null;
|
||||
|
||||
var values = [];
|
||||
var value = 0;
|
||||
|
||||
for (var i = 0; i < b.length; i++) {
|
||||
var byte = b[i] & 0xff;
|
||||
|
||||
value <<= 7;
|
||||
value += byte & 0x7f;
|
||||
if ((byte & 0x80) === 0) {
|
||||
values.push(value);
|
||||
value = 0;
|
||||
}
|
||||
}
|
||||
|
||||
value = values.shift();
|
||||
values.unshift(value % 40);
|
||||
values.unshift((value / 40) >> 0);
|
||||
|
||||
return values.join('.');
|
||||
};
|
||||
|
||||
|
||||
Reader.prototype._readTag = function (tag) {
|
||||
assert.ok(tag !== undefined);
|
||||
|
||||
var b = this.peek();
|
||||
|
||||
if (b === null)
|
||||
return null;
|
||||
|
||||
if (b !== tag)
|
||||
throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
|
||||
': got 0x' + b.toString(16));
|
||||
|
||||
var o = this.readLength(this._offset + 1); // stored in `length`
|
||||
if (o === null)
|
||||
return null;
|
||||
|
||||
if (this.length > 4)
|
||||
throw newInvalidAsn1Error('Integer too long: ' + this.length);
|
||||
|
||||
if (this.length > this._size - o)
|
||||
return null;
|
||||
this._offset = o;
|
||||
|
||||
var fb = this._buf[this._offset];
|
||||
var value = 0;
|
||||
|
||||
for (var i = 0; i < this.length; i++) {
|
||||
value <<= 8;
|
||||
value |= (this._buf[this._offset++] & 0xff);
|
||||
}
|
||||
|
||||
if ((fb & 0x80) === 0x80 && i !== 4)
|
||||
value -= (1 << (i * 8));
|
||||
|
||||
return value >> 0;
|
||||
};
|
||||
|
||||
|
||||
|
||||
// --- Exported API
|
||||
|
||||
module.exports = Reader;
|
||||
-36
@@ -1,36 +0,0 @@
|
||||
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
|
||||
|
||||
|
||||
module.exports = {
|
||||
EOC: 0,
|
||||
Boolean: 1,
|
||||
Integer: 2,
|
||||
BitString: 3,
|
||||
OctetString: 4,
|
||||
Null: 5,
|
||||
OID: 6,
|
||||
ObjectDescriptor: 7,
|
||||
External: 8,
|
||||
Real: 9, // float
|
||||
Enumeration: 10,
|
||||
PDV: 11,
|
||||
Utf8String: 12,
|
||||
RelativeOID: 13,
|
||||
Sequence: 16,
|
||||
Set: 17,
|
||||
NumericString: 18,
|
||||
PrintableString: 19,
|
||||
T61String: 20,
|
||||
VideotexString: 21,
|
||||
IA5String: 22,
|
||||
UTCTime: 23,
|
||||
GeneralizedTime: 24,
|
||||
GraphicString: 25,
|
||||
VisibleString: 26,
|
||||
GeneralString: 28,
|
||||
UniversalString: 29,
|
||||
CharacterString: 30,
|
||||
BMPString: 31,
|
||||
Constructor: 32,
|
||||
Context: 128
|
||||
};
|
||||
-17
@@ -1,17 +0,0 @@
|
||||
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
|
||||
|
||||
// If you have no idea what ASN.1 or BER is, see this:
|
||||
// ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc
|
||||
|
||||
var Ber = require('./ber/index');
|
||||
|
||||
|
||||
|
||||
// --- Exported API
|
||||
|
||||
module.exports = {
|
||||
|
||||
Ber: Ber,
|
||||
|
||||
BerReader: Ber.Reader,
|
||||
};
|
||||
Generated
Vendored
-34
@@ -1,34 +0,0 @@
|
||||
var BigInteger = require('../libs/jsbn.js');
|
||||
var schemes = require('../schemes/schemes.js');
|
||||
|
||||
module.exports = function (keyPair, options) {
|
||||
var pkcs1Scheme = schemes.pkcs1.makeScheme(keyPair, options);
|
||||
|
||||
return {
|
||||
encrypt: function (buffer, usePrivate) {
|
||||
var m, c;
|
||||
if (usePrivate) {
|
||||
/* Type 1: zeros padding for private key encrypt */
|
||||
m = new BigInteger(pkcs1Scheme.encPad(buffer, {type: 1}));
|
||||
c = keyPair.$doPrivate(m);
|
||||
} else {
|
||||
m = new BigInteger(keyPair.encryptionScheme.encPad(buffer));
|
||||
c = keyPair.$doPublic(m);
|
||||
}
|
||||
return c.toBuffer(keyPair.encryptedDataLength);
|
||||
},
|
||||
|
||||
decrypt: function (buffer, usePublic) {
|
||||
var m, c = new BigInteger(buffer);
|
||||
|
||||
if (usePublic) {
|
||||
m = keyPair.$doPublic(c);
|
||||
/* Type 1: zeros padding for private key decrypt */
|
||||
return pkcs1Scheme.encUnPad(m.toBuffer(keyPair.encryptedDataLength), {type: 1});
|
||||
} else {
|
||||
m = keyPair.$doPrivate(c);
|
||||
return keyPair.encryptionScheme.encUnPad(m.toBuffer(keyPair.encryptedDataLength));
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
||||
Generated
Vendored
-71
@@ -1,71 +0,0 @@
|
||||
var _ = require('../utils')._;
|
||||
var utils = require('../utils');
|
||||
|
||||
module.exports = {
|
||||
privateExport: function (key, options) {
|
||||
return {
|
||||
n: key.n.toBuffer(),
|
||||
e: key.e,
|
||||
d: key.d.toBuffer(),
|
||||
p: key.p.toBuffer(),
|
||||
q: key.q.toBuffer(),
|
||||
dmp1: key.dmp1.toBuffer(),
|
||||
dmq1: key.dmq1.toBuffer(),
|
||||
coeff: key.coeff.toBuffer()
|
||||
};
|
||||
},
|
||||
|
||||
privateImport: function (key, data, options) {
|
||||
if (data.n && data.e && data.d && data.p && data.q && data.dmp1 && data.dmq1 && data.coeff) {
|
||||
key.setPrivate(
|
||||
data.n,
|
||||
data.e,
|
||||
data.d,
|
||||
data.p,
|
||||
data.q,
|
||||
data.dmp1,
|
||||
data.dmq1,
|
||||
data.coeff
|
||||
);
|
||||
} else {
|
||||
throw Error("Invalid key data");
|
||||
}
|
||||
},
|
||||
|
||||
publicExport: function (key, options) {
|
||||
return {
|
||||
n: key.n.toBuffer(),
|
||||
e: key.e
|
||||
};
|
||||
},
|
||||
|
||||
publicImport: function (key, data, options) {
|
||||
if (data.n && data.e) {
|
||||
key.setPublic(
|
||||
data.n,
|
||||
data.e
|
||||
);
|
||||
} else {
|
||||
throw Error("Invalid key data");
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Trying autodetect and import key
|
||||
* @param key
|
||||
* @param data
|
||||
*/
|
||||
autoImport: function (key, data) {
|
||||
if (data.n && data.e) {
|
||||
if (data.d && data.p && data.q && data.dmp1 && data.dmq1 && data.coeff) {
|
||||
module.exports.privateImport(key, data);
|
||||
return true;
|
||||
} else {
|
||||
module.exports.publicImport(key, data);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
};
|
||||
-31
@@ -1,31 +0,0 @@
|
||||
var _ = require('../utils')._;
|
||||
|
||||
module.exports = {
|
||||
pkcs1: require('./pkcs1'),
|
||||
pkcs8: require('./pkcs8'),
|
||||
components: require('./components'),
|
||||
|
||||
detectAndImport: function (key, data, format) {
|
||||
if (format === undefined) {
|
||||
for (var scheme in module.exports) {
|
||||
if (typeof module.exports[scheme].autoImport === 'function' && module.exports[scheme].autoImport(key, data)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
} else if (format) {
|
||||
var fmt = formatParse(format);
|
||||
|
||||
if (module.exports[fmt.scheme]) {
|
||||
if (fmt.keyType === 'private') {
|
||||
module.exports[fmt.scheme].privateImport(key, data, fmt.keyOpt);
|
||||
} else {
|
||||
module.exports[fmt.scheme].publicImport(key, data, fmt.keyOpt);
|
||||
}
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
},
|
||||
};
|
||||
-148
@@ -1,148 +0,0 @@
|
||||
var ber = require('../asn1/index').Ber;
|
||||
var _ = require('../utils')._;
|
||||
var utils = require('../utils');
|
||||
|
||||
const PRIVATE_OPENING_BOUNDARY = '-----BEGIN RSA PRIVATE KEY-----';
|
||||
const PRIVATE_CLOSING_BOUNDARY = '-----END RSA PRIVATE KEY-----';
|
||||
|
||||
const PUBLIC_OPENING_BOUNDARY = '-----BEGIN RSA PUBLIC KEY-----';
|
||||
const PUBLIC_CLOSING_BOUNDARY = '-----END RSA PUBLIC KEY-----';
|
||||
|
||||
module.exports = {
|
||||
privateExport: function (key, options) {
|
||||
options = options || {};
|
||||
|
||||
var n = key.n.toBuffer();
|
||||
var d = key.d.toBuffer();
|
||||
var p = key.p.toBuffer();
|
||||
var q = key.q.toBuffer();
|
||||
var dmp1 = key.dmp1.toBuffer();
|
||||
var dmq1 = key.dmq1.toBuffer();
|
||||
var coeff = key.coeff.toBuffer();
|
||||
|
||||
var length = n.length + d.length + p.length + q.length + dmp1.length + dmq1.length + coeff.length + 512; // magic
|
||||
var writer = new ber.Writer({size: length});
|
||||
|
||||
writer.startSequence();
|
||||
writer.writeInt(0);
|
||||
writer.writeBuffer(n, 2);
|
||||
writer.writeInt(key.e);
|
||||
writer.writeBuffer(d, 2);
|
||||
writer.writeBuffer(p, 2);
|
||||
writer.writeBuffer(q, 2);
|
||||
writer.writeBuffer(dmp1, 2);
|
||||
writer.writeBuffer(dmq1, 2);
|
||||
writer.writeBuffer(coeff, 2);
|
||||
writer.endSequence();
|
||||
|
||||
if (options.type === 'der') {
|
||||
return writer.buffer;
|
||||
} else {
|
||||
return PRIVATE_OPENING_BOUNDARY + '\n' + utils.linebrk(writer.buffer.toString('base64'), 64) + '\n' + PRIVATE_CLOSING_BOUNDARY;
|
||||
}
|
||||
},
|
||||
|
||||
privateImport: function (key, data, options) {
|
||||
options = options || {};
|
||||
var buffer;
|
||||
|
||||
if (options.type !== 'der') {
|
||||
if (Buffer.isBuffer(data)) {
|
||||
data = data.toString('utf8');
|
||||
}
|
||||
|
||||
if (_.isString(data)) {
|
||||
var pem = utils.trimSurroundingText(data, PRIVATE_OPENING_BOUNDARY, PRIVATE_CLOSING_BOUNDARY)
|
||||
.replace(/\s+|\n\r|\n|\r$/gm, '');
|
||||
buffer = Buffer.from(pem, 'base64');
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
} else if (Buffer.isBuffer(data)) {
|
||||
buffer = data;
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
|
||||
var reader = new ber.Reader(buffer);
|
||||
reader.readSequence();
|
||||
reader.readString(2, true); // just zero
|
||||
key.setPrivate(
|
||||
reader.readString(2, true), // modulus
|
||||
reader.readString(2, true), // publicExponent
|
||||
reader.readString(2, true), // privateExponent
|
||||
reader.readString(2, true), // prime1
|
||||
reader.readString(2, true), // prime2
|
||||
reader.readString(2, true), // exponent1 -- d mod (p1)
|
||||
reader.readString(2, true), // exponent2 -- d mod (q-1)
|
||||
reader.readString(2, true) // coefficient -- (inverse of q) mod p
|
||||
);
|
||||
},
|
||||
|
||||
publicExport: function (key, options) {
|
||||
options = options || {};
|
||||
|
||||
var n = key.n.toBuffer();
|
||||
var length = n.length + 512; // magic
|
||||
|
||||
var bodyWriter = new ber.Writer({size: length});
|
||||
bodyWriter.startSequence();
|
||||
bodyWriter.writeBuffer(n, 2);
|
||||
bodyWriter.writeInt(key.e);
|
||||
bodyWriter.endSequence();
|
||||
|
||||
if (options.type === 'der') {
|
||||
return bodyWriter.buffer;
|
||||
} else {
|
||||
return PUBLIC_OPENING_BOUNDARY + '\n' + utils.linebrk(bodyWriter.buffer.toString('base64'), 64) + '\n' + PUBLIC_CLOSING_BOUNDARY;
|
||||
}
|
||||
},
|
||||
|
||||
publicImport: function (key, data, options) {
|
||||
options = options || {};
|
||||
var buffer;
|
||||
|
||||
if (options.type !== 'der') {
|
||||
if (Buffer.isBuffer(data)) {
|
||||
data = data.toString('utf8');
|
||||
}
|
||||
|
||||
if (_.isString(data)) {
|
||||
var pem = utils.trimSurroundingText(data, PUBLIC_OPENING_BOUNDARY, PUBLIC_CLOSING_BOUNDARY)
|
||||
.replace(/\s+|\n\r|\n|\r$/gm, '');
|
||||
buffer = Buffer.from(pem, 'base64');
|
||||
}
|
||||
} else if (Buffer.isBuffer(data)) {
|
||||
buffer = data;
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
|
||||
var body = new ber.Reader(buffer);
|
||||
body.readSequence();
|
||||
key.setPublic(
|
||||
body.readString(0x02, true), // modulus
|
||||
body.readString(0x02, true) // publicExponent
|
||||
);
|
||||
},
|
||||
|
||||
/**
|
||||
* Trying autodetect and import key
|
||||
* @param key
|
||||
* @param data
|
||||
*/
|
||||
autoImport: function (key, data) {
|
||||
// [\S\s]* matches zero or more of any character
|
||||
if (/^[\S\s]*-----BEGIN RSA PRIVATE KEY-----\s*(?=(([A-Za-z0-9+/=]+\s*)+))\1-----END RSA PRIVATE KEY-----[\S\s]*$/g.test(data)) {
|
||||
module.exports.privateImport(key, data);
|
||||
return true;
|
||||
}
|
||||
|
||||
if (/^[\S\s]*-----BEGIN RSA PUBLIC KEY-----\s*(?=(([A-Za-z0-9+/=]+\s*)+))\1-----END RSA PUBLIC KEY-----[\S\s]*$/g.test(data)) {
|
||||
module.exports.publicImport(key, data);
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
};
|
||||
-187
@@ -1,187 +0,0 @@
|
||||
var ber = require('../asn1/index').Ber;
|
||||
var _ = require('../utils')._;
|
||||
var PUBLIC_RSA_OID = '1.2.840.113549.1.1.1';
|
||||
var utils = require('../utils');
|
||||
|
||||
const PRIVATE_OPENING_BOUNDARY = '-----BEGIN PRIVATE KEY-----';
|
||||
const PRIVATE_CLOSING_BOUNDARY = '-----END PRIVATE KEY-----';
|
||||
|
||||
const PUBLIC_OPENING_BOUNDARY = '-----BEGIN PUBLIC KEY-----';
|
||||
const PUBLIC_CLOSING_BOUNDARY = '-----END PUBLIC KEY-----';
|
||||
|
||||
module.exports = {
|
||||
privateExport: function (key, options) {
|
||||
options = options || {};
|
||||
|
||||
var n = key.n.toBuffer();
|
||||
var d = key.d.toBuffer();
|
||||
var p = key.p.toBuffer();
|
||||
var q = key.q.toBuffer();
|
||||
var dmp1 = key.dmp1.toBuffer();
|
||||
var dmq1 = key.dmq1.toBuffer();
|
||||
var coeff = key.coeff.toBuffer();
|
||||
|
||||
var length = n.length + d.length + p.length + q.length + dmp1.length + dmq1.length + coeff.length + 512; // magic
|
||||
var bodyWriter = new ber.Writer({size: length});
|
||||
|
||||
bodyWriter.startSequence();
|
||||
bodyWriter.writeInt(0);
|
||||
bodyWriter.writeBuffer(n, 2);
|
||||
bodyWriter.writeInt(key.e);
|
||||
bodyWriter.writeBuffer(d, 2);
|
||||
bodyWriter.writeBuffer(p, 2);
|
||||
bodyWriter.writeBuffer(q, 2);
|
||||
bodyWriter.writeBuffer(dmp1, 2);
|
||||
bodyWriter.writeBuffer(dmq1, 2);
|
||||
bodyWriter.writeBuffer(coeff, 2);
|
||||
bodyWriter.endSequence();
|
||||
|
||||
var writer = new ber.Writer({size: length});
|
||||
writer.startSequence();
|
||||
writer.writeInt(0);
|
||||
writer.startSequence();
|
||||
writer.writeOID(PUBLIC_RSA_OID);
|
||||
writer.writeNull();
|
||||
writer.endSequence();
|
||||
writer.writeBuffer(bodyWriter.buffer, 4);
|
||||
writer.endSequence();
|
||||
|
||||
if (options.type === 'der') {
|
||||
return writer.buffer;
|
||||
} else {
|
||||
return PRIVATE_OPENING_BOUNDARY + '\n' + utils.linebrk(writer.buffer.toString('base64'), 64) + '\n' + PRIVATE_CLOSING_BOUNDARY;
|
||||
}
|
||||
},
|
||||
|
||||
privateImport: function (key, data, options) {
|
||||
options = options || {};
|
||||
var buffer;
|
||||
|
||||
if (options.type !== 'der') {
|
||||
if (Buffer.isBuffer(data)) {
|
||||
data = data.toString('utf8');
|
||||
}
|
||||
|
||||
if (_.isString(data)) {
|
||||
var pem = utils.trimSurroundingText(data, PRIVATE_OPENING_BOUNDARY, PRIVATE_CLOSING_BOUNDARY)
|
||||
.replace('-----END PRIVATE KEY-----', '')
|
||||
.replace(/\s+|\n\r|\n|\r$/gm, '');
|
||||
buffer = Buffer.from(pem, 'base64');
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
} else if (Buffer.isBuffer(data)) {
|
||||
buffer = data;
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
|
||||
var reader = new ber.Reader(buffer);
|
||||
reader.readSequence();
|
||||
reader.readInt(0);
|
||||
var header = new ber.Reader(reader.readString(0x30, true));
|
||||
|
||||
if (header.readOID(0x06, true) !== PUBLIC_RSA_OID) {
|
||||
throw Error('Invalid Public key format');
|
||||
}
|
||||
|
||||
var body = new ber.Reader(reader.readString(0x04, true));
|
||||
body.readSequence();
|
||||
body.readString(2, true); // just zero
|
||||
key.setPrivate(
|
||||
body.readString(2, true), // modulus
|
||||
body.readString(2, true), // publicExponent
|
||||
body.readString(2, true), // privateExponent
|
||||
body.readString(2, true), // prime1
|
||||
body.readString(2, true), // prime2
|
||||
body.readString(2, true), // exponent1 -- d mod (p1)
|
||||
body.readString(2, true), // exponent2 -- d mod (q-1)
|
||||
body.readString(2, true) // coefficient -- (inverse of q) mod p
|
||||
);
|
||||
},
|
||||
|
||||
publicExport: function (key, options) {
|
||||
options = options || {};
|
||||
|
||||
var n = key.n.toBuffer();
|
||||
var length = n.length + 512; // magic
|
||||
|
||||
var bodyWriter = new ber.Writer({size: length});
|
||||
bodyWriter.writeByte(0);
|
||||
bodyWriter.startSequence();
|
||||
bodyWriter.writeBuffer(n, 2);
|
||||
bodyWriter.writeInt(key.e);
|
||||
bodyWriter.endSequence();
|
||||
|
||||
var writer = new ber.Writer({size: length});
|
||||
writer.startSequence();
|
||||
writer.startSequence();
|
||||
writer.writeOID(PUBLIC_RSA_OID);
|
||||
writer.writeNull();
|
||||
writer.endSequence();
|
||||
writer.writeBuffer(bodyWriter.buffer, 3);
|
||||
writer.endSequence();
|
||||
|
||||
if (options.type === 'der') {
|
||||
return writer.buffer;
|
||||
} else {
|
||||
return PUBLIC_OPENING_BOUNDARY + '\n' + utils.linebrk(writer.buffer.toString('base64'), 64) + '\n' + PUBLIC_CLOSING_BOUNDARY;
|
||||
}
|
||||
},
|
||||
|
||||
publicImport: function (key, data, options) {
|
||||
options = options || {};
|
||||
var buffer;
|
||||
|
||||
if (options.type !== 'der') {
|
||||
if (Buffer.isBuffer(data)) {
|
||||
data = data.toString('utf8');
|
||||
}
|
||||
|
||||
if (_.isString(data)) {
|
||||
var pem = utils.trimSurroundingText(data, PUBLIC_OPENING_BOUNDARY, PUBLIC_CLOSING_BOUNDARY)
|
||||
.replace(/\s+|\n\r|\n|\r$/gm, '');
|
||||
buffer = Buffer.from(pem, 'base64');
|
||||
}
|
||||
} else if (Buffer.isBuffer(data)) {
|
||||
buffer = data;
|
||||
} else {
|
||||
throw Error('Unsupported key format');
|
||||
}
|
||||
|
||||
var reader = new ber.Reader(buffer);
|
||||
reader.readSequence();
|
||||
var header = new ber.Reader(reader.readString(0x30, true));
|
||||
|
||||
if (header.readOID(0x06, true) !== PUBLIC_RSA_OID) {
|
||||
throw Error('Invalid Public key format');
|
||||
}
|
||||
|
||||
var body = new ber.Reader(reader.readString(0x03, true));
|
||||
body.readByte();
|
||||
body.readSequence();
|
||||
key.setPublic(
|
||||
body.readString(0x02, true), // modulus
|
||||
body.readString(0x02, true) // publicExponent
|
||||
);
|
||||
},
|
||||
|
||||
/**
|
||||
* Trying autodetect and import key
|
||||
* @param key
|
||||
* @param data
|
||||
*/
|
||||
autoImport: function (key, data) {
|
||||
if (/^[\S\s]*-----BEGIN PRIVATE KEY-----\s*(?=(([A-Za-z0-9+/=]+\s*)+))\1-----END PRIVATE KEY-----[\S\s]*$/g.test(data)) {
|
||||
module.exports.privateImport(key, data);
|
||||
return true;
|
||||
}
|
||||
|
||||
if (/^[\S\s]*-----BEGIN PUBLIC KEY-----\s*(?=(([A-Za-z0-9+/=]+\s*)+))\1-----END PUBLIC KEY-----[\S\s]*$/g.test(data)) {
|
||||
module.exports.publicImport(key, data);
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
};
|
||||
-1252
File diff suppressed because it is too large.
Load diff
-147
@@ -1,147 +0,0 @@
|
||||
/*
|
||||
* RSA Encryption / Decryption with PKCS1 v2 Padding.
|
||||
*
|
||||
* ~MIT License~
|
||||
* Contributors:
|
||||
* Tom Wu, rzcoder, frosty00
|
||||
*/
|
||||
|
||||
var _ = require('../utils')._;
|
||||
var BigInteger = require('./jsbn.js');
|
||||
var utils = require('../utils.js');
|
||||
var schemes = require('../schemes/schemes.js');
|
||||
|
||||
//exports.BigInteger = BigInteger;
|
||||
module.exports.Key = (function () {
|
||||
/**
|
||||
* RSA key constructor
|
||||
*
|
||||
* n - modulus
|
||||
* e - publicExponent
|
||||
* d - privateExponent
|
||||
* p - prime1
|
||||
* q - prime2
|
||||
* dmp1 - exponent1 -- d mod (p1)
|
||||
* dmq1 - exponent2 -- d mod (q-1)
|
||||
* coeff - coefficient -- (inverse of q) mod p
|
||||
*/
|
||||
function RSAKey() {
|
||||
this.n = null;
|
||||
this.e = 0;
|
||||
this.d = null;
|
||||
this.p = null;
|
||||
this.q = null;
|
||||
this.dmp1 = null;
|
||||
this.dmq1 = null;
|
||||
this.coeff = null;
|
||||
}
|
||||
|
||||
RSAKey.prototype.setOptions = function (options) {
|
||||
var signingSchemeProvider = schemes[options.signingScheme];
|
||||
var encryptionSchemeProvider = schemes[options.encryptionScheme];
|
||||
|
||||
if (signingSchemeProvider === encryptionSchemeProvider) {
|
||||
this.signingScheme = this.encryptionScheme = encryptionSchemeProvider.makeScheme(this, options);
|
||||
} else {
|
||||
this.encryptionScheme = encryptionSchemeProvider.makeScheme(this, options);
|
||||
this.signingScheme = signingSchemeProvider.makeScheme(this, options);
|
||||
}
|
||||
|
||||
};
|
||||
/**
|
||||
* Set the private key fields N, e, d and CRT params from buffers
|
||||
*
|
||||
* @param N
|
||||
* @param E
|
||||
* @param D
|
||||
* @param P
|
||||
* @param Q
|
||||
* @param DP
|
||||
* @param DQ
|
||||
* @param C
|
||||
*/
|
||||
RSAKey.prototype.setPrivate = function (N, E, D, P, Q, DP, DQ, C) {
|
||||
if (N && E && D && N.length > 0 && (_.isNumber(E) || E.length > 0) && D.length > 0) {
|
||||
this.n = new BigInteger(N);
|
||||
this.e = _.isNumber(E) ? E : utils.get32IntFromBuffer(E, 0);
|
||||
this.d = new BigInteger(D);
|
||||
|
||||
if (P && Q && DP && DQ && C) {
|
||||
this.p = new BigInteger(P);
|
||||
this.q = new BigInteger(Q);
|
||||
this.dmp1 = new BigInteger(DP);
|
||||
this.dmq1 = new BigInteger(DQ);
|
||||
this.coeff = new BigInteger(C);
|
||||
} else {
|
||||
// TODO: re-calculate any missing CRT params
|
||||
}
|
||||
this.$$recalculateCache();
|
||||
} else {
|
||||
throw Error("Invalid RSA private key");
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* private
|
||||
* Perform raw private operation on "x": return x^d (mod n)
|
||||
*
|
||||
* @param x
|
||||
* @returns {*}
|
||||
*/
|
||||
RSAKey.prototype.$doPrivate = function (x) {
|
||||
if (this.p || this.q) {
|
||||
return x.modPow(this.d, this.n);
|
||||
}
|
||||
|
||||
// TODO: re-calculate any missing CRT params
|
||||
var xp = x.mod(this.p).modPow(this.dmp1, this.p);
|
||||
var xq = x.mod(this.q).modPow(this.dmq1, this.q);
|
||||
|
||||
while (xp.compareTo(xq) < 0) {
|
||||
xp = xp.add(this.p);
|
||||
}
|
||||
return xp.subtract(xq).multiply(this.coeff).mod(this.p).multiply(this.q).add(xq);
|
||||
};
|
||||
|
||||
RSAKey.prototype.sign = function (buffer) {
|
||||
return this.signingScheme.sign.apply(this.signingScheme, arguments);
|
||||
};
|
||||
|
||||
/**
|
||||
* Check if key pair contains private key
|
||||
*/
|
||||
RSAKey.prototype.isPrivate = function () {
|
||||
return this.n && this.e && this.d || false;
|
||||
};
|
||||
|
||||
Object.defineProperty(RSAKey.prototype, 'keySize', {
|
||||
get: function () {
|
||||
return this.cache.keyBitLength;
|
||||
}
|
||||
});
|
||||
|
||||
Object.defineProperty(RSAKey.prototype, 'encryptedDataLength', {
|
||||
get: function () {
|
||||
return this.cache.keyByteLength;
|
||||
}
|
||||
});
|
||||
|
||||
Object.defineProperty(RSAKey.prototype, 'maxMessageLength', {
|
||||
get: function () {
|
||||
return this.encryptionScheme.maxMessageLength();
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* Caching key data
|
||||
*/
|
||||
RSAKey.prototype.$$recalculateCache = function () {
|
||||
this.cache = this.cache || {};
|
||||
// Bit & byte length
|
||||
this.cache.keyBitLength = this.n.bitLength();
|
||||
this.cache.keyByteLength = (this.cache.keyBitLength + 6) >> 3;
|
||||
};
|
||||
|
||||
return RSAKey;
|
||||
})();
|
||||
|
||||
-176
@@ -1,176 +0,0 @@
|
||||
/**
|
||||
* PKCS1 padding and signature scheme
|
||||
*/
|
||||
|
||||
var BigInteger = require('../libs/jsbn');
|
||||
var CryptoJS = require('../../crypto-js/crypto-js');
|
||||
var constants = { RSA_NO_PADDING: 3 }
|
||||
require('constants');
|
||||
var SIGN_INFO_HEAD = {
|
||||
md2: Buffer.from('3020300c06082a864886f70d020205000410', 'hex'),
|
||||
md5: Buffer.from('3020300c06082a864886f70d020505000410', 'hex'),
|
||||
sha1: Buffer.from('3021300906052b0e03021a05000414', 'hex'),
|
||||
sha224: Buffer.from('302d300d06096086480165030402040500041c', 'hex'),
|
||||
sha256: Buffer.from('3031300d060960864801650304020105000420', 'hex'),
|
||||
sha384: Buffer.from('3041300d060960864801650304020205000430', 'hex'),
|
||||
sha512: Buffer.from('3051300d060960864801650304020305000440', 'hex'),
|
||||
ripemd160: Buffer.from('3021300906052b2403020105000414', 'hex'),
|
||||
rmd160: Buffer.from('3021300906052b2403020105000414', 'hex')
|
||||
};
|
||||
|
||||
var SIGN_ALG_TO_HASH_ALIASES = {
|
||||
'ripemd160': 'rmd160'
|
||||
};
|
||||
|
||||
var DEFAULT_HASH_FUNCTION = 'sha256';
|
||||
|
||||
module.exports = {
|
||||
isEncryption: true,
|
||||
isSignature: true
|
||||
};
|
||||
|
||||
module.exports.makeScheme = function (key, options) {
|
||||
function Scheme(key, options) {
|
||||
this.key = key;
|
||||
this.options = options;
|
||||
}
|
||||
|
||||
Scheme.prototype.maxMessageLength = function () {
|
||||
if (this.options.encryptionSchemeOptions && this.options.encryptionSchemeOptions.padding == constants.RSA_NO_PADDING) {
|
||||
return this.key.encryptedDataLength;
|
||||
}
|
||||
return this.key.encryptedDataLength - 11;
|
||||
};
|
||||
|
||||
/**
|
||||
* Unpad input Buffer and, if valid, return the Buffer object
|
||||
* alg: PKCS#1 (type 2, random)
|
||||
* @param buffer
|
||||
* @returns {Buffer}
|
||||
*/
|
||||
Scheme.prototype.encUnPad = function (buffer, options) {
|
||||
options = options || {};
|
||||
var i = 0;
|
||||
|
||||
if (this.options.encryptionSchemeOptions && this.options.encryptionSchemeOptions.padding == constants.RSA_NO_PADDING) {
|
||||
//RSA_NO_PADDING treated like JAVA left pad with zero character
|
||||
var unPad;
|
||||
if (typeof buffer.lastIndexOf == "function") { //patch for old node version
|
||||
unPad = buffer.slice(buffer.lastIndexOf('\0') + 1, buffer.length);
|
||||
} else {
|
||||
unPad = buffer.slice(String.prototype.lastIndexOf.call(buffer, '\0') + 1, buffer.length);
|
||||
}
|
||||
return unPad;
|
||||
}
|
||||
|
||||
if (buffer.length < 4) {
|
||||
return null;
|
||||
}
|
||||
|
||||
/* Type 1: zeros padding for private key decrypt */
|
||||
if (options.type === 1) {
|
||||
if (buffer[0] !== 0 && buffer[1] !== 1) {
|
||||
return null;
|
||||
}
|
||||
i = 3;
|
||||
while (buffer[i] !== 0) {
|
||||
if (buffer[i] != 0xFF || ++i >= buffer.length) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* random padding for public key decrypt */
|
||||
if (buffer[0] !== 0 && buffer[1] !== 2) {
|
||||
return null;
|
||||
}
|
||||
i = 3;
|
||||
while (buffer[i] !== 0) {
|
||||
if (++i >= buffer.length) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
return buffer.slice(i + 1, buffer.length);
|
||||
};
|
||||
|
||||
Scheme.prototype.sign = function (buffer) {
|
||||
var hashAlgorithm = this.options.signingSchemeOptions.hash || DEFAULT_HASH_FUNCTION;
|
||||
if (this.options.environment === 'browser') {
|
||||
hashAlgorithm = SIGN_ALG_TO_HASH_ALIASES[hashAlgorithm] || hashAlgorithm;
|
||||
var hasher = CryptoJS[hashAlgorithm.toUpperCase()] (buffer.toString());
|
||||
var asBuffer = wordArrayToBuffer(hasher)
|
||||
var paddedHash = this.pkcs1pad(asBuffer, hashAlgorithm);
|
||||
var res = this.key.$doPrivate(new BigInteger(paddedHash)).toBuffer(this.key.encryptedDataLength);
|
||||
return res;
|
||||
} else {
|
||||
throw new Error ('CCXT only supports browser mode :P');
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* PKCS#1 pad input buffer to max data length
|
||||
* @param hashBuf
|
||||
* @param hashAlgorithm
|
||||
* @returns {*}
|
||||
*/
|
||||
Scheme.prototype.pkcs1pad = function (hashBuf, hashAlgorithm) {
|
||||
var digest = SIGN_INFO_HEAD[hashAlgorithm];
|
||||
if (!digest) {
|
||||
throw Error('Unsupported hash algorithm');
|
||||
}
|
||||
|
||||
var data = Buffer.concat([digest, hashBuf]);
|
||||
|
||||
if (data.length + 10 > this.key.encryptedDataLength) {
|
||||
throw Error('Key is too short for signing algorithm (' + hashAlgorithm + ')');
|
||||
}
|
||||
|
||||
var filled = Buffer.alloc(this.key.encryptedDataLength - data.length - 1);
|
||||
filled.fill(0xff, 0, filled.length - 1);
|
||||
filled[0] = 1;
|
||||
filled[filled.length - 1] = 0;
|
||||
|
||||
var res = Buffer.concat([filled, data]);
|
||||
|
||||
return res;
|
||||
};
|
||||
|
||||
return new Scheme(key, options);
|
||||
};
|
||||
|
||||
// used to convert `CryptoJS` wordArrays into `crypto` hex buffers
|
||||
function wordToByteArray(word, length) {
|
||||
var ba = [],
|
||||
xFF = 0xFF;
|
||||
if (length > 0)
|
||||
ba.push(word >>> 24);
|
||||
if (length > 1)
|
||||
ba.push((word >>> 16) & xFF);
|
||||
if (length > 2)
|
||||
ba.push((word >>> 8) & xFF);
|
||||
if (length > 3)
|
||||
ba.push(word & xFF);
|
||||
|
||||
return ba;
|
||||
}
|
||||
|
||||
function wordArrayToBuffer(wordArray) {
|
||||
let length = undefined;
|
||||
if (wordArray.hasOwnProperty("sigBytes") && wordArray.hasOwnProperty("words")) {
|
||||
length = wordArray.sigBytes;
|
||||
wordArray = wordArray.words;
|
||||
} else {
|
||||
throw Error('Argument not a wordArray')
|
||||
}
|
||||
|
||||
const result = []
|
||||
let bytes = []
|
||||
let i = 0;
|
||||
while (length > 0) {
|
||||
bytes = wordToByteArray(wordArray[i], Math.min(4, length));
|
||||
length -= bytes.length;
|
||||
result.push(bytes);
|
||||
i++;
|
||||
}
|
||||
return new Buffer.from([].concat.apply([], result), 'hex');
|
||||
}
|
||||
-21
@@ -1,21 +0,0 @@
|
||||
module.exports = {
|
||||
pkcs1: require('./pkcs1'),
|
||||
|
||||
/**
|
||||
* Check if scheme has padding methods
|
||||
* @param scheme {string}
|
||||
* @returns {Boolean}
|
||||
*/
|
||||
isEncryption: function (scheme) {
|
||||
return module.exports[scheme] && module.exports[scheme].isEncryption;
|
||||
},
|
||||
|
||||
/**
|
||||
* Check if scheme has sign/verify methods
|
||||
* @param scheme {string}
|
||||
* @returns {Boolean}
|
||||
*/
|
||||
isSignature: function (scheme) {
|
||||
return module.exports[scheme] && module.exports[scheme].isSignature;
|
||||
}
|
||||
};
|
||||
-98
@@ -1,98 +0,0 @@
|
||||
/*
|
||||
* Utils functions
|
||||
*
|
||||
*/
|
||||
|
||||
/**
|
||||
* Break string str each maxLen symbols
|
||||
* @param str
|
||||
* @param maxLen
|
||||
* @returns {string}
|
||||
*/
|
||||
module.exports.linebrk = function (str, maxLen) {
|
||||
var res = '';
|
||||
var i = 0;
|
||||
while (i + maxLen < str.length) {
|
||||
res += str.substring(i, i + maxLen) + "\n";
|
||||
i += maxLen;
|
||||
}
|
||||
return res + str.substring(i, str.length);
|
||||
};
|
||||
|
||||
/**
|
||||
* Trying get a 32-bit unsigned integer from the partial buffer
|
||||
* @param buffer
|
||||
* @param offset
|
||||
* @returns {Number}
|
||||
*/
|
||||
module.exports.get32IntFromBuffer = function (buffer, offset) {
|
||||
offset = offset || 0;
|
||||
var size = 0;
|
||||
if ((size = buffer.length - offset) > 0) {
|
||||
if (size >= 4) {
|
||||
return buffer.readUInt32BE(offset);
|
||||
} else {
|
||||
var res = 0;
|
||||
for (var i = offset + size, d = 0; i > offset; i--, d += 2) {
|
||||
res += buffer[i - 1] * Math.pow(16, d);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
} else {
|
||||
return NaN;
|
||||
}
|
||||
};
|
||||
|
||||
module.exports._ = {
|
||||
isObject: function (value) {
|
||||
var type = typeof value;
|
||||
return !!value && (type == 'object' || type == 'function');
|
||||
},
|
||||
|
||||
isString: function (value) {
|
||||
return typeof value == 'string' || value instanceof String;
|
||||
},
|
||||
|
||||
isNumber: function (value) {
|
||||
return typeof value == 'number' || !isNaN(parseFloat(value)) && isFinite(value);
|
||||
},
|
||||
|
||||
/**
|
||||
* Returns copy of `obj` without `removeProp` field.
|
||||
* @param obj
|
||||
* @param removeProp
|
||||
* @returns Object
|
||||
*/
|
||||
omit: function (obj, removeProp) {
|
||||
var newObj = {};
|
||||
for (var prop in obj) {
|
||||
if (!obj.hasOwnProperty(prop) || prop === removeProp) {
|
||||
continue;
|
||||
}
|
||||
newObj[prop] = obj[prop];
|
||||
}
|
||||
|
||||
return newObj;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Strips everything around the opening and closing lines, including the lines
|
||||
* themselves.
|
||||
*/
|
||||
module.exports.trimSurroundingText = function (data, opening, closing) {
|
||||
var trimStartIndex = 0;
|
||||
var trimEndIndex = data.length;
|
||||
|
||||
var openingBoundaryIndex = data.indexOf(opening);
|
||||
if (openingBoundaryIndex >= 0) {
|
||||
trimStartIndex = openingBoundaryIndex + opening.length;
|
||||
}
|
||||
|
||||
var closingBoundaryIndex = data.indexOf(closing, openingBoundaryIndex);
|
||||
if (closingBoundaryIndex >= 0) {
|
||||
trimEndIndex = closingBoundaryIndex;
|
||||
}
|
||||
|
||||
return data.substring(trimStartIndex, trimEndIndex);
|
||||
}
|
||||
-18
@@ -1,18 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var replace = String.prototype.replace;
|
||||
var percentTwenties = /%20/g;
|
||||
|
||||
module.exports = {
|
||||
'default': 'RFC3986',
|
||||
formatters: {
|
||||
RFC1738: function (value) {
|
||||
return replace.call(value, percentTwenties, '+');
|
||||
},
|
||||
RFC3986: function (value) {
|
||||
return value;
|
||||
}
|
||||
},
|
||||
RFC1738: 'RFC1738',
|
||||
RFC3986: 'RFC3986'
|
||||
};
|
||||
-11
@@ -1,11 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var stringify = require('./stringify');
|
||||
var parse = require('./parse');
|
||||
var formats = require('./formats');
|
||||
|
||||
module.exports = {
|
||||
formats: formats,
|
||||
parse: parse,
|
||||
stringify: stringify
|
||||
};
|
||||
-242
@@ -1,242 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var utils = require('./utils');
|
||||
|
||||
var has = Object.prototype.hasOwnProperty;
|
||||
|
||||
var defaults = {
|
||||
allowDots: false,
|
||||
allowPrototypes: false,
|
||||
arrayLimit: 20,
|
||||
charset: 'utf-8',
|
||||
charsetSentinel: false,
|
||||
comma: false,
|
||||
decoder: utils.decode,
|
||||
delimiter: '&',
|
||||
depth: 5,
|
||||
ignoreQueryPrefix: false,
|
||||
interpretNumericEntities: false,
|
||||
parameterLimit: 1000,
|
||||
parseArrays: true,
|
||||
plainObjects: false,
|
||||
strictNullHandling: false
|
||||
};
|
||||
|
||||
var interpretNumericEntities = function (str) {
|
||||
return str.replace(/&#(\d+);/g, function ($0, numberStr) {
|
||||
return String.fromCharCode(parseInt(numberStr, 10));
|
||||
});
|
||||
};
|
||||
|
||||
// This is what browsers will submit when the ✓ character occurs in an
|
||||
// application/x-www-form-urlencoded body and the encoding of the page containing
|
||||
// the form is iso-8859-1, or when the submitted form has an accept-charset
|
||||
// attribute of iso-8859-1. Presumably also with other charsets that do not contain
|
||||
// the ✓ character, such as us-ascii.
|
||||
var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('✓')
|
||||
|
||||
// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
|
||||
var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
|
||||
|
||||
var parseValues = function parseQueryStringValues(str, options) {
|
||||
var obj = {};
|
||||
var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
|
||||
var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
|
||||
var parts = cleanStr.split(options.delimiter, limit);
|
||||
var skipIndex = -1; // Keep track of where the utf8 sentinel was found
|
||||
var i;
|
||||
|
||||
var charset = options.charset;
|
||||
if (options.charsetSentinel) {
|
||||
for (i = 0; i < parts.length; ++i) {
|
||||
if (parts[i].indexOf('utf8=') === 0) {
|
||||
if (parts[i] === charsetSentinel) {
|
||||
charset = 'utf-8';
|
||||
} else if (parts[i] === isoSentinel) {
|
||||
charset = 'iso-8859-1';
|
||||
}
|
||||
skipIndex = i;
|
||||
i = parts.length; // The eslint settings do not allow break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < parts.length; ++i) {
|
||||
if (i === skipIndex) {
|
||||
continue;
|
||||
}
|
||||
var part = parts[i];
|
||||
|
||||
var bracketEqualsPos = part.indexOf(']=');
|
||||
var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
|
||||
|
||||
var key, val;
|
||||
if (pos === -1) {
|
||||
key = options.decoder(part, defaults.decoder, charset);
|
||||
val = options.strictNullHandling ? null : '';
|
||||
} else {
|
||||
key = options.decoder(part.slice(0, pos), defaults.decoder, charset);
|
||||
val = options.decoder(part.slice(pos + 1), defaults.decoder, charset);
|
||||
}
|
||||
|
||||
if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
|
||||
val = interpretNumericEntities(val);
|
||||
}
|
||||
|
||||
if (val && options.comma && val.indexOf(',') > -1) {
|
||||
val = val.split(',');
|
||||
}
|
||||
|
||||
if (has.call(obj, key)) {
|
||||
obj[key] = utils.combine(obj[key], val);
|
||||
} else {
|
||||
obj[key] = val;
|
||||
}
|
||||
}
|
||||
|
||||
return obj;
|
||||
};
|
||||
|
||||
var parseObject = function (chain, val, options) {
|
||||
var leaf = val;
|
||||
|
||||
for (var i = chain.length - 1; i >= 0; --i) {
|
||||
var obj;
|
||||
var root = chain[i];
|
||||
|
||||
if (root === '[]' && options.parseArrays) {
|
||||
obj = [].concat(leaf);
|
||||
} else {
|
||||
obj = options.plainObjects ? Object.create(null) : {};
|
||||
var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
|
||||
var index = parseInt(cleanRoot, 10);
|
||||
if (!options.parseArrays && cleanRoot === '') {
|
||||
obj = { 0: leaf };
|
||||
} else if (
|
||||
!isNaN(index)
|
||||
&& root !== cleanRoot
|
||||
&& String(index) === cleanRoot
|
||||
&& index >= 0
|
||||
&& (options.parseArrays && index <= options.arrayLimit)
|
||||
) {
|
||||
obj = [];
|
||||
obj[index] = leaf;
|
||||
} else {
|
||||
obj[cleanRoot] = leaf;
|
||||
}
|
||||
}
|
||||
|
||||
leaf = obj;
|
||||
}
|
||||
|
||||
return leaf;
|
||||
};
|
||||
|
||||
var parseKeys = function parseQueryStringKeys(givenKey, val, options) {
|
||||
if (!givenKey) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Transform dot notation to bracket notation
|
||||
var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
|
||||
|
||||
// The regex chunks
|
||||
|
||||
var brackets = /(\[[^[\]]*])/;
|
||||
var child = /(\[[^[\]]*])/g;
|
||||
|
||||
// Get the parent
|
||||
|
||||
var segment = brackets.exec(key);
|
||||
var parent = segment ? key.slice(0, segment.index) : key;
|
||||
|
||||
// Stash the parent if it exists
|
||||
|
||||
var keys = [];
|
||||
if (parent) {
|
||||
// If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
|
||||
if (!options.plainObjects && has.call(Object.prototype, parent)) {
|
||||
if (!options.allowPrototypes) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
keys.push(parent);
|
||||
}
|
||||
|
||||
// Loop through children appending to the array until we hit depth
|
||||
|
||||
var i = 0;
|
||||
while ((segment = child.exec(key)) !== null && i < options.depth) {
|
||||
i += 1;
|
||||
if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
|
||||
if (!options.allowPrototypes) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
keys.push(segment[1]);
|
||||
}
|
||||
|
||||
// If there's a remainder, just add whatever is left
|
||||
|
||||
if (segment) {
|
||||
keys.push('[' + key.slice(segment.index) + ']');
|
||||
}
|
||||
|
||||
return parseObject(keys, val, options);
|
||||
};
|
||||
|
||||
var normalizeParseOptions = function normalizeParseOptions(opts) {
|
||||
if (!opts) {
|
||||
return defaults;
|
||||
}
|
||||
|
||||
if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') {
|
||||
throw new TypeError('Decoder has to be a function.');
|
||||
}
|
||||
|
||||
if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
|
||||
throw new Error('The charset option must be either utf-8, iso-8859-1, or undefined');
|
||||
}
|
||||
var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
|
||||
|
||||
return {
|
||||
allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
|
||||
allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
|
||||
arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
|
||||
charset: charset,
|
||||
charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
|
||||
comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
|
||||
decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
|
||||
delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
|
||||
depth: typeof opts.depth === 'number' ? opts.depth : defaults.depth,
|
||||
ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
|
||||
interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
|
||||
parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
|
||||
parseArrays: opts.parseArrays !== false,
|
||||
plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
|
||||
strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
|
||||
};
|
||||
};
|
||||
|
||||
module.exports = function (str, opts) {
|
||||
var options = normalizeParseOptions(opts);
|
||||
|
||||
if (str === '' || str === null || typeof str === 'undefined') {
|
||||
return options.plainObjects ? Object.create(null) : {};
|
||||
}
|
||||
|
||||
var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
|
||||
var obj = options.plainObjects ? Object.create(null) : {};
|
||||
|
||||
// Iterate over the keys and setup the new object
|
||||
|
||||
var keys = Object.keys(tempObj);
|
||||
for (var i = 0; i < keys.length; ++i) {
|
||||
var key = keys[i];
|
||||
var newObj = parseKeys(key, tempObj[key], options);
|
||||
obj = utils.merge(obj, newObj, options);
|
||||
}
|
||||
|
||||
return utils.compact(obj);
|
||||
};
|
||||
-269
@@ -1,269 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var utils = require('./utils');
|
||||
var formats = require('./formats');
|
||||
var has = Object.prototype.hasOwnProperty;
|
||||
|
||||
var arrayPrefixGenerators = {
|
||||
brackets: function brackets(prefix) { // eslint-disable-line func-name-matching
|
||||
return prefix + '[]';
|
||||
},
|
||||
comma: 'comma',
|
||||
indices: function indices(prefix, key) { // eslint-disable-line func-name-matching
|
||||
return prefix + '[' + key + ']';
|
||||
},
|
||||
repeat: function repeat(prefix) { // eslint-disable-line func-name-matching
|
||||
return prefix;
|
||||
}
|
||||
};
|
||||
|
||||
var isArray = Array.isArray;
|
||||
var push = Array.prototype.push;
|
||||
var pushToArray = function (arr, valueOrArray) {
|
||||
push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
|
||||
};
|
||||
|
||||
var toISO = Date.prototype.toISOString;
|
||||
|
||||
var defaults = {
|
||||
addQueryPrefix: false,
|
||||
allowDots: false,
|
||||
charset: 'utf-8',
|
||||
charsetSentinel: false,
|
||||
delimiter: '&',
|
||||
encode: true,
|
||||
encoder: utils.encode,
|
||||
encodeValuesOnly: false,
|
||||
formatter: formats.formatters[formats['default']],
|
||||
// deprecated
|
||||
indices: false,
|
||||
serializeDate: function serializeDate(date) { // eslint-disable-line func-name-matching
|
||||
return toISO.call(date);
|
||||
},
|
||||
skipNulls: false,
|
||||
strictNullHandling: false
|
||||
};
|
||||
|
||||
var stringify = function stringify( // eslint-disable-line func-name-matching
|
||||
object,
|
||||
prefix,
|
||||
generateArrayPrefix,
|
||||
strictNullHandling,
|
||||
skipNulls,
|
||||
encoder,
|
||||
filter,
|
||||
sort,
|
||||
allowDots,
|
||||
serializeDate,
|
||||
formatter,
|
||||
encodeValuesOnly,
|
||||
charset
|
||||
) {
|
||||
var obj = object;
|
||||
if (typeof filter === 'function') {
|
||||
obj = filter(prefix, obj);
|
||||
} else if (obj instanceof Date) {
|
||||
obj = serializeDate(obj);
|
||||
} else if (generateArrayPrefix === 'comma' && isArray(obj)) {
|
||||
obj = obj.join(',');
|
||||
}
|
||||
|
||||
if (obj === null) {
|
||||
if (strictNullHandling) {
|
||||
return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset) : prefix;
|
||||
}
|
||||
|
||||
obj = '';
|
||||
}
|
||||
|
||||
if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {
|
||||
if (encoder) {
|
||||
var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset);
|
||||
return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset))];
|
||||
}
|
||||
return [formatter(prefix) + '=' + formatter(String(obj))];
|
||||
}
|
||||
|
||||
var values = [];
|
||||
|
||||
if (typeof obj === 'undefined') {
|
||||
return values;
|
||||
}
|
||||
|
||||
var objKeys;
|
||||
if (isArray(filter)) {
|
||||
objKeys = filter;
|
||||
} else {
|
||||
var keys = Object.keys(obj);
|
||||
objKeys = sort ? keys.sort(sort) : keys;
|
||||
}
|
||||
|
||||
for (var i = 0; i < objKeys.length; ++i) {
|
||||
var key = objKeys[i];
|
||||
|
||||
if (skipNulls && obj[key] === null) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (isArray(obj)) {
|
||||
pushToArray(values, stringify(
|
||||
obj[key],
|
||||
typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix,
|
||||
generateArrayPrefix,
|
||||
strictNullHandling,
|
||||
skipNulls,
|
||||
encoder,
|
||||
filter,
|
||||
sort,
|
||||
allowDots,
|
||||
serializeDate,
|
||||
formatter,
|
||||
encodeValuesOnly,
|
||||
charset
|
||||
));
|
||||
} else {
|
||||
pushToArray(values, stringify(
|
||||
obj[key],
|
||||
prefix + (allowDots ? '.' + key : '[' + key + ']'),
|
||||
generateArrayPrefix,
|
||||
strictNullHandling,
|
||||
skipNulls,
|
||||
encoder,
|
||||
filter,
|
||||
sort,
|
||||
allowDots,
|
||||
serializeDate,
|
||||
formatter,
|
||||
encodeValuesOnly,
|
||||
charset
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
return values;
|
||||
};
|
||||
|
||||
var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
|
||||
if (!opts) {
|
||||
return defaults;
|
||||
}
|
||||
|
||||
if (opts.encoder !== null && opts.encoder !== undefined && typeof opts.encoder !== 'function') {
|
||||
throw new TypeError('Encoder has to be a function.');
|
||||
}
|
||||
|
||||
var charset = opts.charset || defaults.charset;
|
||||
if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
|
||||
throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
|
||||
}
|
||||
|
||||
var format = formats['default'];
|
||||
if (typeof opts.format !== 'undefined') {
|
||||
if (!has.call(formats.formatters, opts.format)) {
|
||||
throw new TypeError('Unknown format option provided.');
|
||||
}
|
||||
format = opts.format;
|
||||
}
|
||||
var formatter = formats.formatters[format];
|
||||
|
||||
var filter = defaults.filter;
|
||||
if (typeof opts.filter === 'function' || isArray(opts.filter)) {
|
||||
filter = opts.filter;
|
||||
}
|
||||
|
||||
return {
|
||||
addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
|
||||
allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
|
||||
charset: charset,
|
||||
charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
|
||||
delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
|
||||
encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
|
||||
encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
|
||||
encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
|
||||
filter: filter,
|
||||
formatter: formatter,
|
||||
serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
|
||||
skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
|
||||
sort: typeof opts.sort === 'function' ? opts.sort : null,
|
||||
strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
|
||||
};
|
||||
};
|
||||
|
||||
module.exports = function (object, opts) {
|
||||
var obj = object;
|
||||
var options = normalizeStringifyOptions(opts);
|
||||
|
||||
var objKeys;
|
||||
var filter;
|
||||
|
||||
if (typeof options.filter === 'function') {
|
||||
filter = options.filter;
|
||||
obj = filter('', obj);
|
||||
} else if (isArray(options.filter)) {
|
||||
filter = options.filter;
|
||||
objKeys = filter;
|
||||
}
|
||||
|
||||
var keys = [];
|
||||
|
||||
if (typeof obj !== 'object' || obj === null) {
|
||||
return '';
|
||||
}
|
||||
|
||||
var arrayFormat;
|
||||
if (opts && opts.arrayFormat in arrayPrefixGenerators) {
|
||||
arrayFormat = opts.arrayFormat;
|
||||
} else if (opts && 'indices' in opts) {
|
||||
arrayFormat = opts.indices ? 'indices' : 'repeat';
|
||||
} else {
|
||||
arrayFormat = 'indices';
|
||||
}
|
||||
|
||||
var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
|
||||
|
||||
if (!objKeys) {
|
||||
objKeys = Object.keys(obj);
|
||||
}
|
||||
|
||||
if (options.sort) {
|
||||
objKeys.sort(options.sort);
|
||||
}
|
||||
|
||||
for (var i = 0; i < objKeys.length; ++i) {
|
||||
var key = objKeys[i];
|
||||
|
||||
if (options.skipNulls && obj[key] === null) {
|
||||
continue;
|
||||
}
|
||||
pushToArray(keys, stringify(
|
||||
obj[key],
|
||||
key,
|
||||
generateArrayPrefix,
|
||||
options.strictNullHandling,
|
||||
options.skipNulls,
|
||||
options.encode ? options.encoder : null,
|
||||
options.filter,
|
||||
options.sort,
|
||||
options.allowDots,
|
||||
options.serializeDate,
|
||||
options.formatter,
|
||||
options.encodeValuesOnly,
|
||||
options.charset
|
||||
));
|
||||
}
|
||||
|
||||
var joined = keys.join(options.delimiter);
|
||||
var prefix = options.addQueryPrefix === true ? '?' : '';
|
||||
|
||||
if (options.charsetSentinel) {
|
||||
if (options.charset === 'iso-8859-1') {
|
||||
// encodeURIComponent('✓'), the "numeric entity" representation of a checkmark
|
||||
prefix += 'utf8=%26%2310003%3B&';
|
||||
} else {
|
||||
// encodeURIComponent('✓')
|
||||
prefix += 'utf8=%E2%9C%93&';
|
||||
}
|
||||
}
|
||||
|
||||
return joined.length > 0 ? prefix + joined : '';
|
||||
};
|
||||
-230
@@ -1,230 +0,0 @@
|
||||
'use strict';
|
||||
|
||||
var has = Object.prototype.hasOwnProperty;
|
||||
var isArray = Array.isArray;
|
||||
|
||||
var hexTable = (function () {
|
||||
var array = [];
|
||||
for (var i = 0; i < 256; ++i) {
|
||||
array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
|
||||
}
|
||||
|
||||
return array;
|
||||
}());
|
||||
|
||||
var compactQueue = function compactQueue(queue) {
|
||||
while (queue.length > 1) {
|
||||
var item = queue.pop();
|
||||
var obj = item.obj[item.prop];
|
||||
|
||||
if (isArray(obj)) {
|
||||
var compacted = [];
|
||||
|
||||
for (var j = 0; j < obj.length; ++j) {
|
||||
if (typeof obj[j] !== 'undefined') {
|
||||
compacted.push(obj[j]);
|
||||
}
|
||||
}
|
||||
|
||||
item.obj[item.prop] = compacted;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
var arrayToObject = function arrayToObject(source, options) {
|
||||
var obj = options && options.plainObjects ? Object.create(null) : {};
|
||||
for (var i = 0; i < source.length; ++i) {
|
||||
if (typeof source[i] !== 'undefined') {
|
||||
obj[i] = source[i];
|
||||
}
|
||||
}
|
||||
|
||||
return obj;
|
||||
};
|
||||
|
||||
var merge = function merge(target, source, options) {
|
||||
if (!source) {
|
||||
return target;
|
||||
}
|
||||
|
||||
if (typeof source !== 'object') {
|
||||
if (isArray(target)) {
|
||||
target.push(source);
|
||||
} else if (target && typeof target === 'object') {
|
||||
if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
|
||||
target[source] = true;
|
||||
}
|
||||
} else {
|
||||
return [target, source];
|
||||
}
|
||||
|
||||
return target;
|
||||
}
|
||||
|
||||
if (!target || typeof target !== 'object') {
|
||||
return [target].concat(source);
|
||||
}
|
||||
|
||||
var mergeTarget = target;
|
||||
if (isArray(target) && !isArray(source)) {
|
||||
mergeTarget = arrayToObject(target, options);
|
||||
}
|
||||
|
||||
if (isArray(target) && isArray(source)) {
|
||||
source.forEach(function (item, i) {
|
||||
if (has.call(target, i)) {
|
||||
var targetItem = target[i];
|
||||
if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
|
||||
target[i] = merge(targetItem, item, options);
|
||||
} else {
|
||||
target.push(item);
|
||||
}
|
||||
} else {
|
||||
target[i] = item;
|
||||
}
|
||||
});
|
||||
return target;
|
||||
}
|
||||
|
||||
return Object.keys(source).reduce(function (acc, key) {
|
||||
var value = source[key];
|
||||
|
||||
if (has.call(acc, key)) {
|
||||
acc[key] = merge(acc[key], value, options);
|
||||
} else {
|
||||
acc[key] = value;
|
||||
}
|
||||
return acc;
|
||||
}, mergeTarget);
|
||||
};
|
||||
|
||||
var assign = function assignSingleSource(target, source) {
|
||||
return Object.keys(source).reduce(function (acc, key) {
|
||||
acc[key] = source[key];
|
||||
return acc;
|
||||
}, target);
|
||||
};
|
||||
|
||||
var decode = function (str, decoder, charset) {
|
||||
var strWithoutPlus = str.replace(/\+/g, ' ');
|
||||
if (charset === 'iso-8859-1') {
|
||||
// unescape never throws, no try...catch needed:
|
||||
return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
|
||||
}
|
||||
// utf-8
|
||||
try {
|
||||
return decodeURIComponent(strWithoutPlus);
|
||||
} catch (e) {
|
||||
return strWithoutPlus;
|
||||
}
|
||||
};
|
||||
|
||||
var encode = function encode(str, defaultEncoder, charset) {
|
||||
// This code was originally written by Brian White (mscdex) for the io.js core querystring library.
|
||||
// It has been adapted here for stricter adherence to RFC 3986
|
||||
if (str.length === 0) {
|
||||
return str;
|
||||
}
|
||||
|
||||
var string = typeof str === 'string' ? str : String(str);
|
||||
|
||||
if (charset === 'iso-8859-1') {
|
||||
return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
|
||||
return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
|
||||
});
|
||||
}
|
||||
|
||||
var out = '';
|
||||
for (var i = 0; i < string.length; ++i) {
|
||||
var c = string.charCodeAt(i);
|
||||
|
||||
if (
|
||||
c === 0x2D // -
|
||||
|| c === 0x2E // .
|
||||
|| c === 0x5F // _
|
||||
|| c === 0x7E // ~
|
||||
|| (c >= 0x30 && c <= 0x39) // 0-9
|
||||
|| (c >= 0x41 && c <= 0x5A) // a-z
|
||||
|| (c >= 0x61 && c <= 0x7A) // A-Z
|
||||
) {
|
||||
out += string.charAt(i);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c < 0x80) {
|
||||
out = out + hexTable[c];
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c < 0x800) {
|
||||
out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c < 0xD800 || c >= 0xE000) {
|
||||
out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
|
||||
continue;
|
||||
}
|
||||
|
||||
i += 1;
|
||||
c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
|
||||
out += hexTable[0xF0 | (c >> 18)]
|
||||
+ hexTable[0x80 | ((c >> 12) & 0x3F)]
|
||||
+ hexTable[0x80 | ((c >> 6) & 0x3F)]
|
||||
+ hexTable[0x80 | (c & 0x3F)];
|
||||
}
|
||||
|
||||
return out;
|
||||
};
|
||||
|
||||
var compact = function compact(value) {
|
||||
var queue = [{ obj: { o: value }, prop: 'o' }];
|
||||
var refs = [];
|
||||
|
||||
for (var i = 0; i < queue.length; ++i) {
|
||||
var item = queue[i];
|
||||
var obj = item.obj[item.prop];
|
||||
|
||||
var keys = Object.keys(obj);
|
||||
for (var j = 0; j < keys.length; ++j) {
|
||||
var key = keys[j];
|
||||
var val = obj[key];
|
||||
if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
|
||||
queue.push({ obj: obj, prop: key });
|
||||
refs.push(val);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
compactQueue(queue);
|
||||
|
||||
return value;
|
||||
};
|
||||
|
||||
var isRegExp = function isRegExp(obj) {
|
||||
return Object.prototype.toString.call(obj) === '[object RegExp]';
|
||||
};
|
||||
|
||||
var isBuffer = function isBuffer(obj) {
|
||||
if (!obj || typeof obj !== 'object') {
|
||||
return false;
|
||||
}
|
||||
|
||||
return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
|
||||
};
|
||||
|
||||
var combine = function combine(a, b) {
|
||||
return [].concat(a, b);
|
||||
};
|
||||
|
||||
module.exports = {
|
||||
arrayToObject: arrayToObject,
|
||||
assign: assign,
|
||||
combine: combine,
|
||||
compact: compact,
|
||||
decode: decode,
|
||||
encode: encode,
|
||||
isBuffer: isBuffer,
|
||||
isRegExp: isRegExp,
|
||||
merge: merge
|
||||
};
|
||||
Reference in new issue
Block a user