mirror of
https://github.com/Laupetin/OpenAssetTools.git
synced 2025-04-21 16:45:44 +00:00
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* 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.
|
|
*/
|
|
#include "tomcrypt.h"
|
|
|
|
/**
|
|
@file f8_setiv.c
|
|
F8 implementation, set IV, Tom St Denis
|
|
*/
|
|
|
|
#ifdef LTC_F8_MODE
|
|
|
|
/**
|
|
Set an initialization vector
|
|
@param IV The initialization vector
|
|
@param len The length of the vector (in octets)
|
|
@param f8 The F8 state
|
|
@return CRYPT_OK if successful
|
|
*/
|
|
int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8)
|
|
{
|
|
int err;
|
|
|
|
LTC_ARGCHK(IV != NULL);
|
|
LTC_ARGCHK(f8 != NULL);
|
|
|
|
if ((err = cipher_is_valid(f8->cipher)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
|
|
if (len != (unsigned long)f8->blocklen) {
|
|
return CRYPT_INVALID_ARG;
|
|
}
|
|
|
|
/* force next block */
|
|
f8->padlen = 0;
|
|
return cipher_descriptor[f8->cipher].ecb_encrypt(IV, f8->IV, &f8->key);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/* ref: HEAD -> master, tag: v1.18.2 */
|
|
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
|
/* commit time: 2018-07-01 22:49:01 +0200 */
|