Mercurial > dropbear

comparison libtomcrypt/src/modes/ctr/ctr_getiv.c @ 398:59c7938af2bd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge of '1250b8af44b62d8f4fe0f8d9fc7e7a1cc34e7e1c' and '7f8670ac3bb975f40967f3979d09d2199b7e90c8'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:30 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
comparison
equal deleted inserted replaced
396:e7c1a77d2921 398:59c7938af2bd
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 * 8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.org 9 * Tom St Denis, [email protected], http://libtomcrypt.com
10 */ 10 */
11 #include "tomcrypt.h" 11 #include "tomcrypt.h"
12 12
13 /** 13 /**
14 @file ctr_getiv.c 14 @file ctr_getiv.c
15 CTR implementation, get IV, Tom St Denis 15 CTR implementation, get IV, Tom St Denis
16 */ 16 */
17 17
18 #ifdef CTR 18 #ifdef LTC_CTR_MODE
19 19
20 /** 20 /**
21 Get the current initial vector 21 Get the current initial vector
22 @param IV [out] The destination of the initial vector 22 @param IV [out] The destination of the initial vector
23 @param len [in/out] The max size and resulting size of the initial vector 23 @param len [in/out] The max size and resulting size of the initial vector
28 { 28 {
29 LTC_ARGCHK(IV != NULL); 29 LTC_ARGCHK(IV != NULL);
30 LTC_ARGCHK(len != NULL); 30 LTC_ARGCHK(len != NULL);
31 LTC_ARGCHK(ctr != NULL); 31 LTC_ARGCHK(ctr != NULL);
32 if ((unsigned long)ctr->blocklen > *len) { 32 if ((unsigned long)ctr->blocklen > *len) {
33 *len = ctr->blocklen;
33 return CRYPT_BUFFER_OVERFLOW; 34 return CRYPT_BUFFER_OVERFLOW;
34 } 35 }
35 XMEMCPY(IV, ctr->ctr, ctr->blocklen); 36 XMEMCPY(IV, ctr->ctr, ctr->blocklen);
36 *len = ctr->blocklen; 37 *len = ctr->blocklen;
37 38
39 } 40 }
40 41
41 #endif 42 #endif
42 43
43 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_getiv.c,v $ */ 44 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_getiv.c,v $ */
44 /* $Revision: 1.3 $ */ 45 /* $Revision: 1.6 $ */
45 /* $Date: 2005/05/05 14:35:59 $ */ 46 /* $Date: 2006/06/29 01:46:46 $ */