public static byte[] ToHmac(this byte[] data, byte[] key, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
switch (algorithm)
{
case HashAlgorithm.Md5:
using (System.Security.Cryptography.HMACMD5 hmac = new(key))
{
return(hmac.ComputeHash(data));
}
case HashAlgorithm.Sha1:
using (System.Security.Cryptography.HMACSHA1 hmac = new(key))
{
return(hmac.ComputeHash(data));
}
case HashAlgorithm.Sha256:
using (System.Security.Cryptography.HMACSHA256 hmac = new(key))
{
return(hmac.ComputeHash(data));
}
case HashAlgorithm.Sha384:
using (System.Security.Cryptography.HMACSHA384 hmac = new(key))
{
return(hmac.ComputeHash(data));
}
case HashAlgorithm.Sha512:
using (System.Security.Cryptography.HMACSHA512 hmac = new(key))
{
return(hmac.ComputeHash(data));
}
default:
throw new NotImplementedException(algorithm.ToString());
}
}
public static byte[] ToHash(this byte[] data, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
switch (algorithm)
{
case HashAlgorithm.Md5:
return(MD5.Create().ComputeHash(data));
case HashAlgorithm.Sha1:
return(SHA1.Create().ComputeHash(data));
case HashAlgorithm.Sha256:
return(SHA256.Create().ComputeHash(data));
case HashAlgorithm.Sha384:
return(SHA384.Create().ComputeHash(data));
case HashAlgorithm.Sha512:
return(SHA512.Create().ComputeHash(data));
default:
throw new NotImplementedException(algorithm.ToString());
}
}
public static string ToHash(this string data, IEncoder encoder, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
return(encoder.Encode(ToHash(data.ToByteArray(), algorithm)));
}
public static byte[] ToHash(this string data, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
byte[] dataBytes = data.ToByteArray();
return(ToHash(dataBytes, algorithm));
}
public static HmacResult ToHmac(string data, string key, IEncoder encoder, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
return(ToHmac(data.ToByteArray(), encoder.Decode(key), encoder, algorithm));
}
public static HmacResult ToHmac(this string data, IEncoder encoder, uint keySize = HmacKeySize, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
return(ToHmac(data.ToByteArray(), RandomManager.Next((int)keySize), encoder, algorithm));
}
public static HmacResult ToHmac(this byte[] data, byte[] key, IEncoder encoder, HashAlgorithm algorithm = HashAlgorithm.Sha512)
{
return(new HmacResult(
hash: encoder.Encode(ToHmac(data, key, algorithm)),
key: encoder.Encode(key),
algorithm: algorithm,
encoder: encoder
));
}
