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comparison libtomcrypt/src/mac/pmac/pmac_shift_xor.c @ 1511:5916af64acd4 fuzz

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merge from main
author Matt Johnston <matt@ucc.asn.au>
date Sat, 17 Feb 2018 19:29:51 +0800
parents 6dba84798cd5
children
comparison
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1457:32f990cc96b1 1511:5916af64acd4
3 * LibTomCrypt is a library that provides various cryptographic 3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtom.org
10 */ 8 */
11 #include "tomcrypt.h" 9 #include "tomcrypt.h"
12 10
13 /** 11 /**
14 @file pmac_shift_xor.c 12 @file pmac_shift_xor.c
15 PMAC implementation, internal function, by Tom St Denis 13 PMAC implementation, internal function, by Tom St Denis
16 */ 14 */
17 15
18 #ifdef LTC_PMAC 16 #ifdef LTC_PMAC
19 17
20 /** 18 /**
25 { 23 {
26 int x, y; 24 int x, y;
27 y = pmac_ntz(pmac->block_index++); 25 y = pmac_ntz(pmac->block_index++);
28 #ifdef LTC_FAST 26 #ifdef LTC_FAST
29 for (x = 0; x < pmac->block_len; x += sizeof(LTC_FAST_TYPE)) { 27 for (x = 0; x < pmac->block_len; x += sizeof(LTC_FAST_TYPE)) {
30 *((LTC_FAST_TYPE*)((unsigned char *)pmac->Li + x)) ^= 28 *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pmac->Li + x)) ^=
31 *((LTC_FAST_TYPE*)((unsigned char *)pmac->Ls[y] + x)); 29 *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pmac->Ls[y] + x));
32 } 30 }
33 #else 31 #else
34 for (x = 0; x < pmac->block_len; x++) { 32 for (x = 0; x < pmac->block_len; x++) {
35 pmac->Li[x] ^= pmac->Ls[y][x]; 33 pmac->Li[x] ^= pmac->Ls[y][x];
36 } 34 }
37 #endif 35 #endif
38 } 36 }
39 37
40 #endif 38 #endif
41 39
42 /* $Source$ */ 40 /* ref: $Format:%D$ */
43 /* $Revision$ */ 41 /* git commit: $Format:%H$ */
44 /* $Date$ */ 42 /* commit time: $Format:%ai$ */