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comparison libtomcrypt/src/modes/cfb/cfb_getiv.c @ 435:337c45621e81

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merge of 'a9b0496634cdd25647b65e585cc3240f3fa699ee' and 'c22be8b8f570b48e9662dac32c7b3e7148a42206'
author Matt Johnston <matt@ucc.asn.au>
date Thu, 22 Feb 2007 14:53:49 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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434:0aaaf68e97dc 435:337c45621e81
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 cfb_getiv.c 14 @file cfb_getiv.c
15 CFB implementation, get IV, Tom St Denis 15 CFB implementation, get IV, Tom St Denis
16 */ 16 */
17 17
18 #ifdef CFB 18 #ifdef LTC_CFB_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(cfb != NULL); 31 LTC_ARGCHK(cfb != NULL);
32 if ((unsigned long)cfb->blocklen > *len) { 32 if ((unsigned long)cfb->blocklen > *len) {
33 *len = cfb->blocklen;
33 return CRYPT_BUFFER_OVERFLOW; 34 return CRYPT_BUFFER_OVERFLOW;
34 } 35 }
35 XMEMCPY(IV, cfb->IV, cfb->blocklen); 36 XMEMCPY(IV, cfb->IV, cfb->blocklen);
36 *len = cfb->blocklen; 37 *len = cfb->blocklen;
37 38
39 } 40 }
40 41
41 #endif 42 #endif
42 43
43 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_getiv.c,v $ */ 44 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_getiv.c,v $ */
44 /* $Revision: 1.3 $ */ 45 /* $Revision: 1.6 $ */
45 /* $Date: 2005/05/05 14:35:59 $ */ 46 /* $Date: 2006/06/29 01:51:34 $ */