public static string Hash(HashTypeEnum hashType, SecureString password, string saltText)
{
KeyDerivationPrf keyDerivation;
switch (hashType)
{
case HashTypeEnum.Sha512:
keyDerivation = KeyDerivationPrf.HMACSHA512;
break;
case HashTypeEnum.Sha256:
keyDerivation = KeyDerivationPrf.HMACSHA256;
break;
default:
keyDerivation = KeyDerivationPrf.HMACSHA1;
break;
}
if (string.IsNullOrEmpty(saltText))
{
saltText = GenerateSalt();
}
byte[] salt = Convert.FromBase64String(saltText);
return(Convert.ToBase64String(KeyDerivation.Pbkdf2(
password: password.ToPlainString(),
salt: salt,
prf: keyDerivation,
iterationCount: 10000,
numBytesRequested: 256 / 8)));
}
public static bool Matches(SecureString password, string hashedPassword, string salt, HashTypeEnum hashType)
{
return(hashedPassword == Hash(hashType, password, salt));
}
