1 files changed, 0 insertions, 97 deletions
diff --git a/libtomcrypt/src/modes/cbc/cbc_decrypt.c b/libtomcrypt/src/modes/cbc/cbc_decrypt.c
deleted file mode 100644
index d768d88..0000000
--- a/libtomcrypt/src/modes/cbc/cbc_decrypt.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* LibTomCrypt, modular cryptographic library -- Tom St Denis
- *
- * LibTomCrypt is a library that provides various cryptographic
- * algorithms in a highly modular and flexible manner.
- *
- * The library is free for all purposes without any express
- * guarantee it works.
- *
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
- */
-#include "tomcrypt.h"
-
-/**
-   @file cbc_decrypt.c
-   CBC implementation, encrypt block, Tom St Denis
-*/
-
-
-#ifdef LTC_CBC_MODE
-
-/**
-  CBC decrypt
-  @param ct     Ciphertext
-  @param pt     [out] Plaintext
-  @param len    The number of bytes to process (must be multiple of block length)
-  @param cbc    CBC state
-  @return CRYPT_OK if successful
-*/
-int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc)
-{
-   int x, err;
-   unsigned char tmp[16];
-#ifdef LTC_FAST
-   LTC_FAST_TYPE tmpy;
-#else
-   unsigned char tmpy;
-#endif         
-
-   LTC_ARGCHK(pt  != NULL);
-   LTC_ARGCHK(ct  != NULL);
-   LTC_ARGCHK(cbc != NULL);
-
-   if ((err = cipher_is_valid(cbc->cipher)) != CRYPT_OK) {
-       return err;
-   }
-   
-   /* is blocklen valid? */
-   if (cbc->blocklen < 1 || cbc->blocklen > (int)sizeof(cbc->IV)) {
-      return CRYPT_INVALID_ARG;
-   }    
-
-   if (len % cbc->blocklen) {
-      return CRYPT_INVALID_ARG;
-   }
-#ifdef LTC_FAST
-   if (cbc->blocklen % sizeof(LTC_FAST_TYPE)) {   
-      return CRYPT_INVALID_ARG;
-   }
-#endif
-   
-   if (cipher_descriptor[cbc->cipher].accel_cbc_decrypt != NULL) {
-      return cipher_descriptor[cbc->cipher].accel_cbc_decrypt(ct, pt, len / cbc->blocklen, cbc->IV, &cbc->key);
-   } else {
-      while (len) {
-         /* decrypt */
-         if ((err = cipher_descriptor[cbc->cipher].ecb_decrypt(ct, tmp, &cbc->key)) != CRYPT_OK) {
-            return err;
-         }
-
-         /* xor IV against plaintext */
-         #if defined(LTC_FAST)
-        for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
-            tmpy = *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) ^ *((LTC_FAST_TYPE*)((unsigned char *)tmp + x));
-       *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) = *((LTC_FAST_TYPE*)((unsigned char *)ct + x));
-       *((LTC_FAST_TYPE*)((unsigned char *)pt + x)) = tmpy;
-        }
-    #else 
-            for (x = 0; x < cbc->blocklen; x++) {
-               tmpy       = tmp[x] ^ cbc->IV[x];
-               cbc->IV[x] = ct[x];
-               pt[x]      = tmpy;
-            }
-    #endif
-       
-         ct  += cbc->blocklen;
-         pt  += cbc->blocklen;
-         len -= cbc->blocklen;
-      }
-   }
-   return CRYPT_OK;
-}
-
-#endif
-
-/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_decrypt.c,v $ */
-/* $Revision: 1.15 $ */
-/* $Date: 2006/11/21 00:18:23 $ */