view libtomcrypt/src/modes/ofb/ofb_done.c @ 687:167fdc091c05

Improve RNG seeding. Try to read from /dev/urandom multiple times, take input from extra sources, and use /dev/random when generating private keys
author Matt Johnston <matt@ucc.asn.au>
date Fri, 29 Jun 2012 23:19:43 +0800
parents 0cbe8f6dbf9e
children f849a5ca2efc
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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, [email protected], http://libtomcrypt.com
 */
#include "tomcrypt.h"

/**
   @file ofb_done.c
   OFB implementation, finish chain, Tom St Denis
*/

#ifdef LTC_OFB_MODE

/** Terminate the chain
  @param ofb    The OFB chain to terminate
  @return CRYPT_OK on success
*/
int ofb_done(symmetric_OFB *ofb)
{
   int err;
   LTC_ARGCHK(ofb != NULL);

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

   

#endif

/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */
/* $Revision: 1.6 $ */
/* $Date: 2006/06/29 01:51:34 $ */