Removing Current

Client/node_modules/eth-lib/src/passphrase.js

@@ -0,0 +1,51 @@
+const Hash = require("./hash");
+const Bytes = require("./bytes");
+const Desubits = require("./desubits");
+
+// Bytes -> Bytes
+const bytesAddChecksum = (bytes) => {
+  const hash = Hash.keccak256(bytes);
+  const sum = Bytes.slice(0, 1, hash);
+  return Bytes.concat(bytes, sum);
+};
+
+// Bytes -> Bool
+const bytesChecksum = (bytes) => {
+  const length = Bytes.length(bytes);
+  const prefix = Bytes.slice(0, length - 1, bytes);
+  return bytesAddChecksum(prefix) === bytes;
+};
+
+// () ~> Passphrase
+const create = () => {
+  const bytes = bytesAddChecksum(Bytes.random(11));
+  const seed = Desubits.fromBytes(bytes);
+  const passphrase = seed.replace(/([a-z]{8})/g, "$1 ");
+  return passphrase;
+};
+
+// Passphrase -> Bytes
+const toBytes = (passphrase) => {
+  const seed = passphrase.replace(/ /g, "");
+  const bytes = Desubits.toBytes(passphrase);
+  return bytes;
+};
+
+// Passphrase -> Bool
+const checksum = (passphrase) =>
+  bytesChecksum(toBytes(passphrase));
+
+// Passphrase -> Bytes
+const toMasterKey = (passphrase) => {
+  let hash = Hash.keccak256;
+  let bytes = toBytes(passphrase);
+  for (let i = 0, l = Math.pow(2,12); i < l; ++i)
+    bytes = hash(bytes);
+  return bytes;
+}
+
+module.exports = {
+  create,
+  checksum,
+  toMasterKey
+}