view NaCl/crypto_verify/16.cs @ 77:b5e27116bd2a

NaCl: fixed MAC/hash verification code
author Ivo Smits <Ivo@UCIS.nl>
date Tue, 11 Feb 2014 17:45:33 +0100
parents c873e3dd73fe
children
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line source

???using System;

namespace UCIS.NaCl.crypto_verify {
	unsafe static class _16 {
		const int BYTES = 16;
		public static int crypto_verify(Byte* x, Byte* y) {
			Int32 differentbits = 0;
			for (int i = 0; i < 16; i++) differentbits |= x[i] ^ y[i];
			return (1 & ((differentbits - 1) >> 8)) - 1;
		}
	}
}