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Add BIP32_PRIME constant, 0x80000000

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This commit is contained in:
Andreas Brekken 2014-01-11 16:31:09 +07:00
parent 56bb0a0c6d
commit 1cb41fdaba
1 changed files with 2 additions and 1 deletions
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src/bip32.js
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@ -29,6 +29,7 @@ var BIP32key = function(opts) {
var PRIVDERIV = BIP32key.PRIVDERIV = '\x04\x88\xAD\xE4'
var PUBDERIV = BIP32key.PUBDERIV = '\x04\x88\xB2\x1E'
var BIP32_PRIME = BIP32key.PRIME = 0x80000000
BIP32key.deserialize = function(str) {
var bytes = base58.decode(str)
@ -104,7 +105,7 @@ BIP32key.prototype.ckd = function(i) {
}
else pub = this.key.export('bytes')
if (i >= 2147483648) {
if (i >= BIP32_PRIME) {
if (!priv) throw new Error("Can't do private derivation on public key!")
blob = [0].concat(priv.slice(0,32),util.numToBytes(i,4).reverse())
}