/* 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 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: 1.5 $ *//* $Date: 2006/06/29 01:46:46 $ */