/* 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 lrw_setiv.c
   LRW_MODE implementation, Set the current IV, Tom St Denis
*/

#ifdef LTC_LRW_MODE

/**
  Set the IV for LRW
  @param IV      The IV, must be 16 octets
  @param len     Length ... must be 16 :-)
  @param lrw     The LRW state to update
  @return CRYPT_OK if successful
*/
int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw)
{
   int           err;
#ifdef LRW_TABLES
   unsigned char T[16];
   int           x, y;
#endif