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ofb_decrypt.c

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/* 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://libtom.org
 */
#include "tomcrypt.h"

/**
  @file ofb_decrypt.c
  OFB implementation, decrypt data, Tom St Denis
*/

#ifdef LTC_OFB_MODE

/**
   OFB decrypt
   @param ct      Ciphertext
   @param pt      [out] Plaintext
   @param len     Length of ciphertext (octets)
   @param ofb     OFB state
   @return CRYPT_OK if successful
*/
00028 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb)
{
   LTC_ARGCHK(pt != NULL);
   LTC_ARGCHK(ct != NULL);
   LTC_ARGCHK(ofb != NULL);
   return ofb_encrypt(ct, pt, len, ofb);
}


#endif

 

/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_decrypt.c,v $ */
/* $Revision: 1.6 $ */
/* $Date: 2006/12/28 01:27:24 $ */

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