Mercurial > dropbear
view libtomcrypt/src/mac/pmac/pmac_ntz.c @ 753:d63ef1e211ea
Take transmit and receive keys into use separately
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 04 Apr 2013 00:18:50 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://libtomcrypt.com */ #include "tomcrypt.h" /** @file pmac_ntz.c PMAC implementation, internal function, by Tom St Denis */ #ifdef LTC_PMAC /** Internal PMAC function */ int pmac_ntz(unsigned long x) { int c; x &= 0xFFFFFFFFUL; c = 0; while ((x & 1) == 0) { ++c; x >>= 1; } return c; } #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_ntz.c,v $ */ /* $Revision: 1.5 $ */ /* $Date: 2006/11/03 00:39:49 $ */