Files
GmSSL/crypto/sms4/sms4_cfb.c
Zhi Guan 3bdc0ea895 update
2015-08-15 15:02:15 +08:00

24 lines
653 B
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sms4.h"
#ifndef MODES_DEBUG
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
#include <assert.h>
/* The input and output encrypted as though 128bit cfb mode is being
* used. The extra state information to record how much of the
* 128bit block we have used is contained in *num;
*/
void sms4_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const sms4_key_t *key,
unsigned char *ivec, int *num, int encrypt) {
CRYPTO_cfb128_encrypt(in,out,length,key,ivec,num,encrypt,(block128_f)sms4_encrypt);
}