Mercurial > hg > ucis.core
diff NaCl/crypto_verify/16.cs @ 20:c873e3dd73fe
Added NaCl cryptography code
author | Ivo Smits <Ivo@UCIS.nl> |
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date | Mon, 15 Apr 2013 00:43:48 +0200 |
parents | |
children | b5e27116bd2a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NaCl/crypto_verify/16.cs Mon Apr 15 00:43:48 2013 +0200 @@ -0,0 +1,12 @@ +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 < 15; i++) differentbits |= x[i] ^ y[i]; + return (1 & ((differentbits - 1) >> 8)) - 1; + } + } +} \ No newline at end of file