/* 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 ctr_decrypt.c  CTR implementation, decrypt data, Tom St Denis*/ #ifdef LTC_CTR_MODE /**   CTR decrypt   @param ct      Ciphertext   @param pt      [out] Plaintext   @param len     Length of ciphertext (octets)   @param ctr     CTR state   @return CRYPT_OK if successful*/int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr){   LTC_ARGCHK(pt != NULL);   LTC_ARGCHK(ct != NULL);   LTC_ARGCHK(ctr != NULL);    return ctr_encrypt(ct, pt, len, ctr);} #endif  /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ *//* $Revision: 1.6 $ *//* $Date: 2006/12/28 01:27:24 $ */