Mercurial > dropbear

comparison src/modes/cfb/cfb_start.c @ 381:999a5eb4ed10 libtomcrypt-dropbear

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propagate from branch 'au.asn.ucc.matt.ltc.orig' (head 52840647ac7f5c707c3bd158d119a15734a7ef28) to branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 02:39:21 +0000
parents d5faf4814ddb
children
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281:997e6f7dc01e 381:999a5eb4ed10
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_start.c 14 @file cfb_start.c
15 CFB implementation, start chain, Tom St Denis 15 CFB implementation, start chain, Tom St Denis
16 */ 16 */
17 17
18 18
19 #ifdef CFB 19 #ifdef LTC_CFB_MODE
20 20
21 /** 21 /**
22 Initialize a CFB context 22 Initialize a CFB context
23 @param cipher The index of the cipher desired 23 @param cipher The index of the cipher desired
24 @param IV The initial vector 24 @param IV The initial vector
52 if ((err = cipher_descriptor[cipher].setup(key, keylen, num_rounds, &cfb->key)) != CRYPT_OK) { 52 if ((err = cipher_descriptor[cipher].setup(key, keylen, num_rounds, &cfb->key)) != CRYPT_OK) {
53 return err; 53 return err;
54 } 54 }
55 55
56 /* encrypt the IV */ 56 /* encrypt the IV */
57 cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key);
58 cfb->padlen = 0; 57 cfb->padlen = 0;
59 58 return cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key);
60 return CRYPT_OK;
61 } 59 }
62 60
63 #endif 61 #endif
64 62
65 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_start.c,v $ */ 63 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_start.c,v $ */
66 /* $Revision: 1.3 $ */ 64 /* $Revision: 1.6 $ */
67 /* $Date: 2005/05/05 14:35:59 $ */ 65 /* $Date: 2006/06/29 01:51:34 $ */