public static KzExtPubKey FromPriv(KzExtPrivKey priv)
{
var key = new KzExtPubKey {
_depth = priv.Depth,
_fingerprint = priv.Fingerprint,
_child = priv.IndexWithHardened,
_chaincode = priv.Chaincode,
pubkey = priv.PrivKey.GetPubKey()
};
return(key);
}
public override KzExtKey DeriveBase(int index, bool hardened)
{
Trace.Assert(index >= 0);
var cek = new KzExtPrivKey {
_depth = (byte)(_depth + 1),
_child = (uint)index | (hardened ? HardenedBit : 0)
};
_privkey.GetPubKey().GetID().Span.Slice(0, 4).CopyTo(cek._fingerprint.AsSpan());
bool ok;
(ok, cek._privkey, cek._chaincode) = _privkey.Derive(cek._child, _chaincode);
return(ok ? cek : null);
}
public bool Equals(KzExtPrivKey o) => (object)o != null && base.Equals(o) && _privkey == o._privkey;
public static KzExtPrivKey GetMasterPrivKey(string seed, string seedExtension = null) =>
KzExtPrivKey.Master(KzHashes.pbkdf2_hmac_sha512(seed.UTF8ToBytes(), $"electrum{seedExtension}".UTF8ToBytes(), 2048).Span);
public static KzExtPrivKey GetMasterPrivKey(string passphrase, string password = null) => KzExtPrivKey.MasterBip39(passphrase, password, passwordPrefix: "electrum");
