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comparison libtomcrypt/src/mac/pmac/pmac_ntz.c @ 330:5488db2e9e4e

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merge of 332f709a4cb39cde4cedab7c3be89e05f3023067 and ca4ca78b82c5d430c69ce01bf794e8886ce81431
author Matt Johnston <matt@ucc.asn.au>
date Sat, 10 Jun 2006 16:39:40 +0000
parents 1b9e69c058d2
children 0cbe8f6dbf9e
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329:8ed0dce45126 330:5488db2e9e4e
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.org
10 */
11 #include "tomcrypt.h"
12
13 /**
14 @file pmac_ntz.c
15 PMAC implementation, internal function, by Tom St Denis
16 */
17
18 #ifdef PMAC
19
20 /**
21 Internal PMAC function
22 */
23 int pmac_ntz(unsigned long x)
24 {
25 int c;
26 x &= 0xFFFFFFFFUL;
27 c = 0;
28 while ((x & 1) == 0) {
29 ++c;
30 x >>= 1;
31 }
32 return c;
33 }
34
35 #endif
36
37 /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_ntz.c,v $ */
38 /* $Revision: 1.3 $ */
39 /* $Date: 2005/05/05 14:35:59 $ */