/* 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 cbc_setiv.c
CBC implementation, set IV, Tom St Denis
*/
#ifdef LTC_CBC_MODE
/**
Set an initial vector
@param IV The initial vector
@param len The length of the vector (in octets)
@param cbc The CBC state
@return CRYPT_OK if successful
*/
int
cbc_setiv(
const
unsigned
char
*IV, unsigned
long
len, symmetric_CBC *cbc)
{
LTC_ARGCHK(IV != NULL);
LTC_ARGCHK(cbc != NULL);
if
(len != (unsigned
long
)cbc->blocklen) {
return
CRYPT_INVALID_ARG;
}
XMEMCPY(cbc->IV, IV, len);
return
CRYPT_OK;
}
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_setiv.c,v $ */
/* $Revision: 1.5 $ */
/* $Date: 2006/06/29 01:46:46 $ */