public void BIP39_TestSeeds()
{
// Create a mnemonic of size 0x10 and verify it.
MnemonicPhrase mnemonic1 = new MnemonicPhrase(WordListLanguage.English, new byte[0x10]);
Assert.True(mnemonic1.Verify());
// Derive seed from our data.
byte[] seed = mnemonic1.DeriveKeySeed("testTestTest!!!");
Assert.Equal("A424DD4B5DBEB58B44B36DB439FEC78D77853563234FFEE8C2912C4BD32D29DF2C5828728FDC6EF77AEC1CB7271A9D7C04D86A6642B1B0A2D6A9048CC636755A", seed.ToHexString(), StringComparer.InvariantCultureIgnoreCase);
// Create a mnemonic of size 0x20 and verify it.
MnemonicPhrase mnemonic2 = new MnemonicPhrase(WordListLanguage.English, new byte[0x20]);
Assert.True(mnemonic2.Verify());
// Derive seed from our data.
seed = mnemonic2.DeriveKeySeed("totallyDifferentPassword?");
Assert.Equal("95DC7BE1A5362EF01D970BE636665276F15946F7C77D46A54423A1C068B435981369F879DB50E6B1D3291A4821F8F78FF433E97AE850F8244770A22A772479A2", seed.ToHexString(), StringComparer.InvariantCultureIgnoreCase);
// Create a mnemonic from a mnemonic string.
MnemonicPhrase mnemonic3 = new MnemonicPhrase("abandon math mimic master filter design carbon cactus bachelor bag speed print guess session goat acquire captain olive best smooth joy erode able despair");
Assert.True(mnemonic3.Verify());
// Derive seed from our data.
seed = mnemonic3.DeriveKeySeed("staticMnemonicStringPassword...#*($10@");
Assert.Equal("78A7C9E99AF640D818EB5D990E1C2F0BF91E68C20BED59E5EBA38A483B1D1ECBB2ED8DF31DED0164048A23F30EBF7E6B6F2A8D06584741D36DD36D4177DC04F6", seed.ToHexString(), StringComparer.InvariantCultureIgnoreCase);
}
public Bip44AccountDerivation(MnemonicPhrase mnemonicPhrase, uint coinType, uint account = 0, uint change = 0, string password = null)
{
var coinTypeIndex = coinType.ToString(CultureInfo.InvariantCulture);
var accountIndex = account.ToString(CultureInfo.InvariantCulture);
var changeIndex = change.ToString(CultureInfo.InvariantCulture);
_pathPrefix = $"m/44'/{coinTypeIndex}'/{accountIndex}'/{changeIndex}/";
_phrase = mnemonicPhrase;
_extendedKey = new ExtendedKey(mnemonicPhrase.DeriveKeySeed(password));
}
public void BIP44_Mnemonic_HDKeys_Test()
{
// Obtain our master key from a mnemonic.
MnemonicPhrase mnemonicPhrase = new MnemonicPhrase("benefit already weapon attract visit kiss favorite blouse matter impulse noodle earth");
ExtendedKey extendedKey = new ExtendedKey(mnemonicPhrase.DeriveKeySeed());
// Define the key path
string keyPath = "m/44'/60'/0'/0/account_index";
// Define our expected results.
string[] expectedResultAddresses =
{
"0x02032d303958511779aAFEE078434b2413d24bC6",
"0x768aB38a2f1a91234cee8A18714d73C665903c5a",
"0x21891E5f8c42a4a3B65114De8C8D33102fbD8b8e",
"0x48B187AA0D5ef22a52c2213aDb27E554d065f08C",
"0x10Fdd87FCFf55653854B8eE94a70E0F365E55EC2",
"0x219ef73681A4Cf864E23467c4EcBBf070215372d",
"0xCE7d33a554f15B41504b17022A38cB7038b74B1f",
"0x5942181baD62B159072db7538CCA4F70B5Cdb6D6",
"0xa7925fAfF5402cE3f9D40CF2335B87377FaE1118",
"0x63526C9C7137d83cd49DB6231c6383C99e5949e8",
};
// Verify all of our addresses.
for (int i = 0; i < expectedResultAddresses.Length; i++)
{
// Obtain our indexed key path for this mnemonic.
string indexedKeyPath = keyPath.Replace("account_index", i.ToString(CultureInfo.InvariantCulture), StringComparison.InvariantCultureIgnoreCase);
// Obtain our indexed key
ExtendedKey indexedKey = extendedKey.GetChildKey(new KeyPath(indexedKeyPath));
// Obtain our public key hash
byte[] addressBytes = indexedKey.InternalKey.GetPublicKeyHash();
addressBytes = addressBytes.Slice(addressBytes.Length - Address.SIZE);
// Verify our address matches our expected result.
Assert.Equal(expectedResultAddresses[i], addressBytes.ToHexString(true), StringComparer.InvariantCultureIgnoreCase);
}
}