} // End Function SCrypt
// https://github.com/bcgit/bc-csharp/tree/096c4894f62b7f4178ab869ec342e9351bd198dd/crypto/src/crypto/digests
public static byte[] Sha3(string text)
{
byte[] encData = System.Text.Encoding.UTF8.GetBytes(text);
Org.BouncyCastle.Crypto.Digests.Sha3Digest myHash = new Org.BouncyCastle.Crypto.Digests.Sha3Digest();
myHash.BlockUpdate(encData, 0, encData.Length);
byte[] compArr = new byte[myHash.GetDigestSize()];
myHash.DoFinal(compArr, 0);
return(compArr);
} // End Function Sha3
internal static string GetSha3Hash(string input)
{
var hashAlgorithm = new Org.BouncyCastle.Crypto.Digests.Sha3Digest(512);
var bytes = Encoding.ASCII.GetBytes(input);
hashAlgorithm.BlockUpdate(bytes, 0, bytes.Length);
var result = new byte[64]; // 512 / 8 = 64
hashAlgorithm.DoFinal(result, 0);
var hashString = BitConverter.ToString(result);
return(hashString.Replace("-", "").ToUpperInvariant());
}
public static string SHA3_512(string data)
{
var hashAlgorithm = new Org.BouncyCastle.Crypto.Digests.Sha3Digest(512);
// Choose correct encoding based on your usecase
byte[] input = Encoding.ASCII.GetBytes(data);
hashAlgorithm.BlockUpdate(input, 0, input.Length);
byte[] result = new byte[64]; // 512 / 8 = 64
hashAlgorithm.DoFinal(result, 0);
string hashString = BitConverter.ToString(result);
hashString = hashString.Replace("-", "").ToLowerInvariant();
return(hashString);
}
private string GetUserHash(string username)
{
// try cache
if (_userHashCache.ContainsKey(username))
{
return(_userHashCache[username]);
}
// create new
var hashAlgorithm = new Org.BouncyCastle.Crypto.Digests.Sha3Digest(512);
var input = Encoding.ASCII.GetBytes(username);
hashAlgorithm.BlockUpdate(input, 0, input.Length);
var result = new byte[64];
hashAlgorithm.DoFinal(result, 0);
var hashString = BitConverter.ToString(result);
// add to cache and return
_userHashCache[username] = hashString;
return(hashString);
}
