public string Encrypt(string input)
{
// var dgk = new DGK(_publicKey, _privateKey, new DecryptionParameters());
//var dgk = new DGK(new SecurityParameters { k = 54, t = 9, l = 8}, new DecryptionParameters{dms = 4});
// var dgk = new DGK(new SecurityParameters { k = 256, t = 9, l = 8}, new DecryptionParameters{dms = 4});
var dgk = new DGK(new SecurityParameters {
k = 1024, t = 160, l = 16
},
new DecryptionParameters {
dms = 4
});
var requirementBits = input.PadLeft(BitLength, '0').Select(bit => int.Parse((string)bit.ToString())).ToArray();
var encryptedRequirementBits = requirementBits.Select(bit => dgk.Encrypt(bit)).ToArray();
using var stream = new MemoryStream();
foreach (var encryptedRequirementBit in encryptedRequirementBits)
{
stream.Write(encryptedRequirementBit.data.ToByteArray());
}
stream.Flush();
stream.Position = 0;
var hash = SHA3.CreateKeccak512().ComputeHash(stream);
var hex = Application.BitConverter.ByteArrayToHexViaLookup32(hash);
return(hex);
}
public void Sha3Of512BitsShouldProduceAValidHashResultForTheGivenMessage(string expected, string message)
{
// Arrange
string actual;
SHA3 algorithm = SHA3.CreateKeccak512();
// Act
actual = ComputeHash(algorithm, message);
// Assert
Assert.Equal(expected, actual);
}
public void Sha3Of512BitsShouldProduceAValidHashResultForTheGivenSequence(string expected, string sequenceString, int sequenceLength)
{
// Arrange
string actual;
SHA3 algorithm = SHA3.CreateKeccak512();
// Act
actual = ComputeHash(algorithm, string.Concat(Enumerable.Repeat(sequenceString, sequenceLength)));
// Assert
Assert.Equal(expected, actual);
}
public String GetSHA3_Keccak512(Param p)
{
byte[] h;
if (p.Fs != null)
{
h = SHA3.CreateKeccak512().ComputeHash(p.Fs);
}
else
{
h = SHA3.CreateKeccak512().ComputeHash(Settings.GetEncoding().GetBytes(p.ValueToHash));
}
return(BitConverter.ToString(h));
}
