public static byte[] HashSaltPersonal(byte[] message, byte[] key, byte[] salt, byte[] personal, int bytes = 64)
{
if (message == null)
{
throw new ArgumentNullException("message", "Message cannot be null");
}
if (salt == null)
{
throw new ArgumentNullException("salt", "Salt cannot be null");
}
if (personal == null)
{
throw new ArgumentNullException("personal", "Personal string cannot be null");
}
if (key != null && (key.Length > 64 || key.Length < 16))
{
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.", 16, 64));
}
if (key == null)
{
key = new byte[0];
}
if (salt.Length != 16)
{
throw new SaltOutOfRangeException(string.Format("Salt must be {0} bytes in length.", 16));
}
if (personal.Length != 16)
{
throw new PersonalOutOfRangeException(string.Format("Personal bytes must be {0} bytes in length.", 16));
}
if (bytes > 64 || bytes < 16)
{
throw new BytesOutOfRangeException("bytes", bytes, string.Format("bytes must be between {0} and {1} bytes in length.", 16, 64));
}
byte[] array = new byte[bytes];
SodiumLibrary.crypto_generichash_blake2b_salt_personal(array, array.Length, message, (long)message.Length, key, key.Length, salt, personal);
return(array);
}
