diff options
Diffstat (limited to 'src/modes/cfb/cfb_decrypt.c')
| -rw-r--r-- | src/modes/cfb/cfb_decrypt.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/modes/cfb/cfb_decrypt.c b/src/modes/cfb/cfb_decrypt.c index 3d51ba5..76a4de1 100644 --- a/src/modes/cfb/cfb_decrypt.c +++ b/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 $ */ |