public static byte[] Hmac(this byte[] data, byte[] key)
{
var blockSize = 136;
var ipad = new byte[blockSize];
var opad = new byte[blockSize];
if (key.Length > blockSize)
{
key = new SHA3_256().ComputeVariable(key);
}
else if (key.Length < blockSize)
{
var temp = new byte[blockSize];
Array.Copy(key, temp, key.Length);
Array.Clear(temp, 128, blockSize - 128);
key = temp;
}
for (var i = 0; i < blockSize; i++)
{
ipad[i] = i < key.Length ? (byte)(key[i] ^ 0x36) : (byte)0x36;
opad[i] = i < key.Length ? (byte)(key[i] ^ 0x5C) : (byte)0x5C;
}
var hash1 = new SHA3_256().ComputeVariable(ipad.Concat(data).ToArray());
var hash2 = new SHA3_256().ComputeVariable(opad.Concat(hash1).ToArray());
return(hash2);
}
public void Test_04_Performance()
{
byte[] Data = new byte[80 * 1024 * 1024];
SHA3_256 H = new SHA3_256();
H.ComputeVariable(Data);
}
public void Test_02_1600_bits()
{
SHA3_256 H = new SHA3_256();
int i = 0;
H.NewState += (sender, e) =>
{
string Expected = States1600Bits[i++].Replace(" ", string.Empty);
string Actual = Hashes.BinaryToString(H.GetState()).ToUpper();
Assert.AreEqual(Expected, Actual);
};
byte[] Input = new byte[200];
int j;
for (j = 0; j < 200; j++)
{
Input[j] = 0xa3;
}
byte[] Digest = H.ComputeVariable(Input);
string s = Hashes.BinaryToString(Digest);
Assert.AreEqual("79f38adec5c20307a98ef76e8324afbfd46cfd81b22e3973c65fa1bd9de31787", s);
Assert.AreEqual(States1600Bits.Length, i);
}
private byte[] GetSaltHash(string prefix)
{
SHA3_256 sHA3_256 = new SHA3_256();
return(sHA3_256.ComputeVariable(
Encoding.ASCII.GetBytes(prefix + LIBRA_HASH_SUFFIX)));
}
public static byte[] Hmac(this byte[] data, byte[] key, HashAlgorithm hashAlgorithm)
{
HMAC hmac;
switch (hashAlgorithm)
{
case HashAlgorithm.SHA_1:
hmac = new HMACSHA1();
hmac.Key = key;
return(hmac.ComputeHash(data));
case HashAlgorithm.SHA_256:
hmac = new HMACSHA256();
hmac.Key = key;
return(hmac.ComputeHash(data));
case HashAlgorithm.SHA_384:
hmac = new HMACSHA384();
hmac.Key = key;
return(hmac.ComputeHash(data));
case HashAlgorithm.SHA_512:
hmac = new HMACSHA512();
hmac.Key = key;
return(hmac.ComputeHash(data));
default:
hmac = new HMACSHA256();
hmac.Key = key;
return(hmac.ComputeHash(data));
case HashAlgorithm.SHA3_256:
var blockSize = 136;
var ipad = new byte[blockSize];
var opad = new byte[blockSize];
if (key.Length > blockSize)
{
key = new SHA3_256().ComputeVariable(key);
}
else if (key.Length < blockSize)
{
var temp = new byte[blockSize];
Array.Copy(key, temp, key.Length);
Array.Clear(temp, 128, blockSize - 128);
key = temp;
}
for (var i = 0; i < blockSize; i++)
{
ipad[i] = i < key.Length ? (byte)(key[i] ^ 0x36) : (byte)0x36;
opad[i] = i < key.Length ? (byte)(key[i] ^ 0x5C) : (byte)0x5C;
}
var hash1 = new SHA3_256().ComputeVariable(ipad.Concat(data).ToArray());
var hash2 = new SHA3_256().ComputeVariable(opad.Concat(hash1).ToArray());
return(hash2);
}
}
public void Test_02_SHA3_256()
{
SHA3_256 H = new SHA3_256();
byte[] Digest = H.ComputeVariable(new MemoryStream(new byte[0]));
string s = Hashes.BinaryToString(Digest);
Assert.AreEqual("a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a", s);
}
public byte[] GetHash(byte[] rawBytes, EHashType eHashType)
{
SHA3_256 sHA3_256 = new SHA3_256();
_eHashType = eHashType;
return(sHA3_256.ComputeVariable(
GetSaltHash(GetSalt(_eHashType))
.Concat(rawBytes).ToArray()));
}
/// <summary>
/// Evaluates the function on a scalar argument.
/// </summary>
/// <param name="Argument">Function argument.</param>
/// <param name="Variables">Variables collection.</param>
/// <returns>Function result.</returns>
public override IElement EvaluateScalar(IElement Argument, Variables Variables)
{
if (!(Argument.AssociatedObjectValue is byte[] Bin))
{
throw new ScriptRuntimeException("Binary data expected.", this);
}
SHA3_256 H = new SHA3_256();
return(new ObjectValue(H.ComputeVariable(Bin)));
}
public void Test_03_1600_bits_Stream()
{
SHA3_256 H = new SHA3_256();
byte[] Input = new byte[200];
int j;
for (j = 0; j < 200; j++)
{
Input[j] = 0xa3;
}
byte[] Digest = H.ComputeVariable(new MemoryStream(Input));
string s = Hashes.BinaryToString(Digest);
Assert.AreEqual("79f38adec5c20307a98ef76e8324afbfd46cfd81b22e3973c65fa1bd9de31787", s);
}
// public async Task<bool> TransferCoins(Account sender, string receiverAddress, ulong amount, ulong gasUnitPrice = 0, ulong maxGasAmount = 1000000)
public async Task <bool> TransferCoins(Account sender, string receiverAddress, ulong amount, ulong gasUnitPrice = 0, ulong maxGasAmount = 1000000)
{
try
{
var program = new Program();
program.Code = Convert.FromBase64String(Constant.ProgamBase64Codes.PeerToPeerTxn).ToByteString();
program.Arguments.Add(new TransactionArgument {
Type = TransactionArgument.Types.ArgType.Address, Data = receiverAddress.ToByteString()
});
program.Arguments.Add(new TransactionArgument {
Type = TransactionArgument.Types.ArgType.U64, Data = amount.ToBytes().Reverse().ToByteString()
});
var transaction = new RawTransaction();
transaction.ExpirationTime = (ulong)Math.Floor((decimal)DateTimeOffset.Now.ToUnixTimeMilliseconds() / 1000) + 100;
transaction.GasUnitPrice = gasUnitPrice;
transaction.MaxGasAmount = maxGasAmount;
var accountState = await QueryBalance(sender.Address);
transaction.SequenceNumber = accountState.SequenceNumber;
transaction.Program = program;
transaction.SenderAccount = sender.Address.ToByteString();
var hash = new SHA3_256().ComputeVariable(Constant.HashSaltValues.RawTransactionHashSalt.FromHexToBytes().Concat(transaction.ToByteArray()).ToArray());
var senderSignature = sender.KeyPair.Sign(hash);
var request = new SubmitTransactionRequest
{
SignedTxn = new SignedTransaction
{
RawTxnBytes = transaction.ToByteString(),
SenderPublicKey = sender.PublicKey,
SenderSignature = senderSignature.ToByteString()
}
};
var response = await acClient.SubmitTransactionAsync(request);
return(response.AcStatus.Code == AdmissionControlStatusCode.Accepted);
}
catch (Exception ex)
{
throw ex;
}
}
public void Test_01_0_bits()
{
SHA3_256 H = new SHA3_256();
int i = 0;
H.NewState += (sender, e) =>
{
string Expected = States0Bits[i++].Replace(" ", string.Empty);
string Actual = Hashes.BinaryToString(H.GetState()).ToUpper();
Assert.AreEqual(Expected, Actual);
};
byte[] Digest = H.ComputeVariable(new byte[0]);
string s = Hashes.BinaryToString(Digest);
Assert.AreEqual("a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a", s);
Assert.AreEqual(States0Bits.Length, i);
}
public void ConvertToUpperCasing()
{
if (!string.IsNullOrEmpty(MD5))
{
MD5 = MD5.ToUpper();
}
if (!string.IsNullOrEmpty(SHA1))
{
SHA1 = SHA1.ToUpper();
}
if (!string.IsNullOrEmpty(SHA256))
{
SHA256 = SHA256.ToUpper();
}
if (!string.IsNullOrEmpty(SHA384))
{
SHA384 = SHA384.ToUpper();
}
if (!string.IsNullOrEmpty(SHA512))
{
SHA512 = SHA512.ToUpper();
}
if (!string.IsNullOrEmpty(CRC32))
{
CRC32 = CRC32.ToUpper();
}
if (!string.IsNullOrEmpty(RIPEMD160))
{
RIPEMD160 = RIPEMD160.ToUpper();
}
if (!string.IsNullOrEmpty(SHA3_256))
{
SHA3_256 = SHA3_256.ToUpper();
}
if (!string.IsNullOrEmpty(SHA3_384))
{
SHA3_384 = SHA3_384.ToUpper();
}
if (!string.IsNullOrEmpty(SHA3_512))
{
SHA3_512 = SHA3_512.ToUpper();
}
}
public string HMACGenerator()
{
string keyedStr = String.Concat(this.Key, this.Args[this.AIMove - 1]);
var hmacString = new StringBuilder();
SHA3_256 sha = new SHA3_256();
byte[] bytedValue = Encoding.UTF8.GetBytes(keyedStr);
byte[] shaBytes = sha.ComputeVariable(bytedValue);
foreach (var val in shaBytes)
{
hmacString.Append(val.ToString("x2"));
}
return(hmacString.ToString().ToUpper());
}
static void Main(string[] args)
{
TestCases tc = new TestCases();
for (int i = 0; i < 2; i++)
{
byte[] result = SHA3_224.ComputeHash(tc.SHA3_224[i].Input);
if (CompareArrays(result, tc.SHA3_224[i].Result))
{
Console.WriteLine("SHA3_224 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHA3_224 TEST " + i + " *FAIL!*");
}
result = SHA3_256.ComputeHash(tc.SHA3_256[i].Input);
if (CompareArrays(result, tc.SHA3_256[i].Result))
{
Console.WriteLine("SHA3_256 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHA3_256 TEST " + i + " *FAIL!*");
}
result = SHA3_384.ComputeHash(tc.SHA3_384[i].Input);
if (CompareArrays(result, tc.SHA3_384[i].Result))
{
Console.WriteLine("SHA3_384 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHA3_384 TEST " + i + " *FAIL!*");
}
result = SHA3_512.ComputeHash(tc.SHA3_512[i].Input);
if (CompareArrays(result, tc.SHA3_512[i].Result))
{
Console.WriteLine("SHA3_512 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHA3_512 TEST " + i + " *FAIL!*");
}
result = SHAKE128.ComputeHash(tc.SHAKE128[i].Input, tc.SHAKE128[i].Result.Length);
if (CompareArrays(result, tc.SHAKE128[i].Result))
{
Console.WriteLine("SHAKE128 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHAKE128 TEST " + i + " *FAIL!*");
}
result = SHAKE256.ComputeHash(tc.SHAKE256[i].Input, tc.SHAKE256[i].Result.Length);
if (CompareArrays(result, tc.SHAKE256[i].Result))
{
Console.WriteLine("SHAKE256 TEST " + i + " -PASS-");
}
else
{
Console.WriteLine("SHAKE256 TEST " + i + " *FAIL!*");
}
}
Console.WriteLine("Press ENTER to exit...");
Console.ReadLine();
}
public async Task <bool> TransferCoins(Account sender, string receiverAddress, ulong amount, ulong gasUnitPrice = 0, ulong maxGasAmount = 1000000)
{
try
{
var accountState = await QueryBalance(sender.Address);
var program = new ProgramLCS();
program.Code = Convert.FromBase64String(Constant.ProgamBase64Codes.PeerToPeerTxn);
program.TransactionArguments = new List <TransactionArgumentLCS>();
program.TransactionArguments.Add(new TransactionArgumentLCS
{
ArgType = Types.TransactionArgument.Types.ArgType.Address,
Address = new AddressLCS {
Value = receiverAddress
}
});
program.TransactionArguments.Add(new TransactionArgumentLCS
{
ArgType = Types.TransactionArgument.Types.ArgType.U64,
U64 = amount
});
program.Modules = new List <byte[]>();
var transaction = new RawTransactionLCS
{
Sender = new AddressLCS {
Value = sender.Address
},
SequenceNumber = accountState.SequenceNumber,
TransactionPayload = new TransactionPayloadLCS
{
PayloadType = TransactionPayloadType.Program,
Program = program
},
MaxGasAmount = maxGasAmount,
GasUnitPrice = gasUnitPrice,
ExpirationTime = (ulong)Math.Floor((decimal)DateTimeOffset.Now.ToUnixTimeMilliseconds() / 1000) + 100
};
var transactionLCS = LCSCore.LCSDeserialization(transaction);
var digestSHA3 = new SHA3_256();
var saltDigest = digestSHA3.ComputeVariable(Constant.HashSaltValues.RawTransactionHashSalt.ToBytes());
var saltDigestAndTransaction = saltDigest.Concat(transactionLCS).ToArray();
var hash = digestSHA3.ComputeVariable(saltDigestAndTransaction);
var senderSignature = sender.KeyPair.Sign(hash);
var publicKeyLen = BitConverter.GetBytes((uint)sender.PublicKey.Length);
var signatureLen = BitConverter.GetBytes((uint)senderSignature.Length);
var txnBytes = transactionLCS.Concat(publicKeyLen).ToArray();
txnBytes = txnBytes.Concat(sender.PublicKey).ToArray();
txnBytes = txnBytes.Concat(signatureLen).ToArray();
txnBytes = txnBytes.Concat(senderSignature).ToArray();
var request = new SubmitTransactionRequest
{
SignedTxn = new SignedTransaction
{
TxnBytes = txnBytes.ToByteString()
}
};
var response = await acClient.SubmitTransactionAsync(request);
return(response.AcStatus.Code == AdmissionControlStatusCode.Accepted);
}
catch (Exception ex)
{
throw ex;
}
}