diff options
Diffstat (limited to 'libtomcrypt/src/modes/cfb')
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_decrypt.c | 14 | ||||
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_done.c | 8 | ||||
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_encrypt.c | 14 | ||||
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_getiv.c | 9 | ||||
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_setiv.c | 13 | ||||
-rw-r--r-- | libtomcrypt/src/modes/cfb/cfb_start.c | 12 |
6 files changed, 36 insertions, 34 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 $ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_done.c b/libtomcrypt/src/modes/cfb/cfb_done.c index 8924761..4ee9d50 100644 --- a/libtomcrypt/src/modes/cfb/cfb_done.c +++ b/libtomcrypt/src/modes/cfb/cfb_done.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, finish chain, Tom St Denis */ -#ifdef CFB +#ifdef LTC_CFB_MODE /** Terminate the chain @param cfb The CFB chain to terminate @@ -38,5 +38,5 @@ int cfb_done(symmetric_CFB *cfb) #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_done.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/06/29 01:51:34 $ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_encrypt.c b/libtomcrypt/src/modes/cfb/cfb_encrypt.c index cca0116..b619682 100644 --- a/libtomcrypt/src/modes/cfb/cfb_encrypt.c +++ b/libtomcrypt/src/modes/cfb/cfb_encrypt.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, encrypt data, Tom St Denis */ -#ifdef CFB +#ifdef LTC_CFB_MODE /** CFB encrypt @@ -45,13 +45,15 @@ int cfb_encrypt(const unsigned char *pt, unsigned char *ct, 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 ^ cfb->IV[cfb->padlen]); ++pt; ++ct; - ++cfb->padlen; + ++(cfb->padlen); } return CRYPT_OK; } @@ -59,5 +61,5 @@ int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_encrypt.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/11/26 01:45:14 $ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_getiv.c b/libtomcrypt/src/modes/cfb/cfb_getiv.c index 5c5b4c4..1689a75 100644 --- a/libtomcrypt/src/modes/cfb/cfb_getiv.c +++ b/libtomcrypt/src/modes/cfb/cfb_getiv.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, get IV, Tom St Denis */ -#ifdef CFB +#ifdef LTC_CFB_MODE /** Get the current initial vector @@ -30,6 +30,7 @@ int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb) LTC_ARGCHK(len != NULL); LTC_ARGCHK(cfb != NULL); if ((unsigned long)cfb->blocklen > *len) { + *len = cfb->blocklen; return CRYPT_BUFFER_OVERFLOW; } XMEMCPY(IV, cfb->IV, cfb->blocklen); @@ -41,5 +42,5 @@ int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb) #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_getiv.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/06/29 01:51:34 $ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_setiv.c b/libtomcrypt/src/modes/cfb/cfb_setiv.c index d075a0d..efb848b 100644 --- a/libtomcrypt/src/modes/cfb/cfb_setiv.c +++ b/libtomcrypt/src/modes/cfb/cfb_setiv.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" @@ -14,7 +14,8 @@ @file cfb_setiv.c CFB implementation, set IV, Tom St Denis */ -#ifdef CFB + +#ifdef LTC_CFB_MODE /** Set an initial vector @@ -40,14 +41,12 @@ int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb) /* force next block */ cfb->padlen = 0; - cipher_descriptor[cfb->cipher].ecb_encrypt(IV, cfb->IV, &cfb->key); - - return CRYPT_OK; + return cipher_descriptor[cfb->cipher].ecb_encrypt(IV, cfb->IV, &cfb->key); } #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_setiv.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/06/29 01:51:34 $ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_start.c b/libtomcrypt/src/modes/cfb/cfb_start.c index 755e173..e70d635 100644 --- a/libtomcrypt/src/modes/cfb/cfb_start.c +++ b/libtomcrypt/src/modes/cfb/cfb_start.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" @@ -16,7 +16,7 @@ */ -#ifdef CFB +#ifdef LTC_CFB_MODE /** Initialize a CFB context @@ -54,14 +54,12 @@ int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, } /* encrypt the IV */ - cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key); cfb->padlen = 0; - - return CRYPT_OK; + return cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key); } #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_start.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/06/29 01:51:34 $ */ |