public static byte[] Hash(byte[] message, byte[] key, int bytes)
{
int keyLength;
if (key != null)
{
if (key.Length > 64 || key.Length < 16)
{
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.", 16, 64));
}
keyLength = key.Length;
}
else
{
key = new byte[0];
keyLength = 0;
}
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(array, array.Length, message, (long)message.Length, key, keyLength);
return(array);
}