view src/modes/ctr/ctr_done.c @ 191:1c15b283127b libtomcrypt-orig

Import of libtomcrypt 1.02 with manual path rename rearrangement etc
author Matt Johnston <matt@ucc.asn.au>
date Fri, 06 May 2005 13:23:02 +0000
parents
children 39d5d58461d6
line wrap: on
line source

/* 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, [email protected], http://libtomcrypt.org
 */
#include "tomcrypt.h"

/**
   @file ctr_done.c
   CTR implementation, finish chain, Tom St Denis
*/

#ifdef CTR

/** Terminate the chain
  @param ctr    The CTR chain to terminate
  @return CRYPT_OK on success
*/
int ctr_done(symmetric_CTR *ctr)
{
   int err;
   LTC_ARGCHK(ctr != NULL);

   if ((err = cipher_is_valid(ctr->cipher)) != CRYPT_OK) {
      return err;
   }
   cipher_descriptor[ctr->cipher].done(&ctr->key);
   return CRYPT_OK;
}

   

#endif