diff options
| author | Matt Johnston <matt@ucc.asn.au> | 2007-02-03 08:20:30 +0000 |
|---|---|---|
| committer | Matt Johnston <matt@ucc.asn.au> | 2007-02-03 08:20:30 +0000 |
| commit | c5fd7dd5548f28e32d846e39d17e5c4de4e769af (patch) | |
| tree | 81b522e272facfb27ff614936b4988bf6569ef2d /libtomcrypt/src/modes/cfb/cfb_decrypt.c | |
| parent | 5092e30605dfc5c45990d91cf606990e5c768255 (diff) | |
| parent | 4a5208512ba02f735acbf7e948ed02353583581e (diff) | |
merge of '1250b8af44b62d8f4fe0f8d9fc7e7a1cc34e7e1c'
and '7f8670ac3bb975f40967f3979d09d2199b7e90c8'
--HG--
extra : convert_revision : 6b61c50f4cf888bea302ac8fcf5dbb573b443251
Diffstat (limited to 'libtomcrypt/src/modes/cfb/cfb_decrypt.c')
| -rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_decrypt.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libtomcrypt/src/modes/cfb/cfb_decrypt.c b/libtomcrypt/src/modes/cfb/cfb_decrypt.c index 3d51ba5..76a4de1 100644 --- a/libtomcrypt/src/modes/cfb/cfb_decrypt.c +++ b/libtomcrypt/src/modes/cfb/cfb_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ CFB implementation, decrypt data, Tom St Denis */ -#ifdef CFB +#ifdef LTC_CFB_MODE /** CFB decrypt @@ -45,14 +45,16 @@ int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s while (len-- > 0) { if (cfb->padlen == cfb->blocklen) { - cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key); + if ((err = cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key)) != CRYPT_OK) { + return err; + } cfb->padlen = 0; } cfb->pad[cfb->padlen] = *ct; *pt = *ct ^ cfb->IV[cfb->padlen]; ++pt; ++ct; - ++cfb->padlen; + ++(cfb->padlen); } return CRYPT_OK; } @@ -61,5 +63,5 @@ int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_decrypt.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/11/26 01:45:14 $ */ |