Mercurial > dropbear
comparison libtomcrypt/src/mac/pmac/pmac_ntz.c @ 285:1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 08 Mar 2006 13:23:58 +0000 |
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children | 0cbe8f6dbf9e |
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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 $ */ |