kaizenkodo/CoinBin
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Fix the derivation of the hd wallet hardened path to be BIP32 compliant.

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This commit is contained in:
Kiyomichi Kosaka 2021-04-05 13:10:41 +02:00
parent 29baeff8c8
commit 704f2c96a3
1 changed files with 7 additions and 1 deletions
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8
js/coin.js
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@ -18,6 +18,8 @@
coinjs.compressed = false;
coinjs.hd_derivation = "bip32_derivation";
/* other vars */
coinjs.developer = '33tht1bKDgZVxb39MnZsWa8oxHXHvUYE4G'; //bitcoin
@ -685,7 +687,11 @@
r.derive = function(i){
i = (i)?i:0;
var blob = (Crypto.util.hexToBytes(this.keys.pubkey)).concat(coinjs.numToBytes(i,4).reverse());
if ((i >= 0x80000000) && (coinjs.hd_derivation == "bip32_derivation")) {
var blob = (Crypto.util.hexToBytes("00").concat(Crypto.util.hexToBytes(this.keys.privkey)).concat(coinjs.numToBytes(i,4).reverse()));
} else {
var blob = (Crypto.util.hexToBytes(this.keys.pubkey)).concat(coinjs.numToBytes(i,4).reverse());
}
var j = new jsSHA(Crypto.util.bytesToHex(blob), 'HEX');
var hash = j.getHMAC(Crypto.util.bytesToHex(r.chain_code), "HEX", "SHA-512", "HEX");