public static int VerifyAddress(String address)
{
if (!address.StartsWith("1") && !address.StartsWith("WX") && !address.StartsWith("WR"))
{
return(-1);
}
byte[] r5;
if (address.StartsWith("1"))
{
r5 = Base58Check.Decode(address);
}
else
{
r5 = Base58Check.Decode(address.Substring(2));
}
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
byte[] r3 = sha3Keccack.CalculateHash(sha3Keccack.CalculateHash(AddressToPubkeyHashByteArray(address)));
byte[] b4 = Utils.CopyByteArray(r3, 0, 4);
byte[] _b4 = Utils.CopyByteArray(r5, r5.Length - 4, 4);
if (Array.Equals(b4, _b4))
{
return(0);
}
else
{
return(-2);
}
}
public static string PubkeyHashToAddress(byte[] publicHash)
{
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
byte[] r1 = publicHash;
byte[] r2 = Utils.prepend(r1, (byte)0x00);
byte[] r3 = sha3Keccack.CalculateHash(sha3Keccack.CalculateHash(r1));
byte[] b4 = Utils.CopyByteArray(r3, 0, 4);
byte[] b5 = Utils.Combine(r2, b4);
string s6 = "WX" + Base58Check.Encode(b5);
return(s6);
}
public static string PubkeyToAddress(byte[] pubkey)
{
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
byte[] pub256 = sha3Keccack.CalculateHash(pubkey);
byte[] r1 = RipemdManager.getHash(pub256);
return(PubkeyHashToAddress(r1));
}
public static bool verifyPassword(Keystore keystore, string password)
{
byte[] derivedKey = Argon2Manager.Current.hash(System.Text.Encoding.ASCII.GetBytes(password), keystore.kdfparams.salt.HexToByteArray());
byte[] cipherPriKey = keystore.crypto.ciphertext.HexToByteArray();
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
byte[] mac = sha3Keccack.CalculateHash(Utils.Combine(derivedKey, cipherPriKey));
return(mac.ToHex().Equals(keystore.mac));
}
public static string FromPassword(string password)
{
if (password.Length > 20 || password.Length < 8)
{
return(JsonConvert.SerializeObject(""));
}
else
{
KeyPair keyPair = KeyPair.generateEd25519KeyPair();
PublicKey publicKey = keyPair.GetPublicKey();
byte[] salt = new byte[saltLength];
byte[] iv = new byte[ivLength];
Org.BouncyCastle.Security.SecureRandom random = new Org.BouncyCastle.Security.SecureRandom();
random.NextBytes(iv);
Org.BouncyCastle.Security.SecureRandom sr = new Org.BouncyCastle.Security.SecureRandom();
sr.NextBytes(salt);
Argon2Manager argon2Manager = Argon2Manager.Current;
byte[] derivedKey = argon2Manager.hash(System.Text.Encoding.ASCII.GetBytes(password), salt);
AesManager aes = AesManager.Current;
byte[] cipherPrivKey = aes.Encryptdata(keyPair.GetPrivateKey().getBytes(), derivedKey, iv);
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
byte[] mac = sha3Keccack.CalculateHash(Utils.Combine(derivedKey, cipherPrivKey));
Crypto crypto = new Crypto(
AesManager.cipher, new string(cipherPrivKey.ToHex()),
new Cipherparams(
new string(iv.ToHex())
)
);
Kdfparams kdfparams = new Kdfparams(Argon2Manager.memoryCost, Argon2Manager.timeCost, Argon2Manager.parallelism, new string(salt.ToHex()));
Address address = new Address(publicKey);
Keystore ks = new Keystore(address.getAddress(), crypto, Utils.generateUUID(),
newVersion, new string(mac.ToHex()), argon2Manager.kdf(), kdfparams
);
return(JsonConvert.SerializeObject(ks));
}
}
public void TestSha3KeccackWithEverything()
{
Sha3Keccack sha3Keccack = Sha3Keccack.Current;
Assert.Equal("b8f132fb6526e0405f3ce4f3bab301f1d4409b1e7f2c01c2037d6cf845c831cb", sha3Keccack.CalculateHash("LogCreate(address)"));
}