1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include "sm4_core.h"
5
rk_crypto_ecb128_encrypt(void * ctx,const unsigned char * in,unsigned int length,unsigned char * out,block128_f block)6 static int rk_crypto_ecb128_encrypt(void *ctx, const unsigned char *in, unsigned int length, unsigned char *out,block128_f block)
7 {
8 unsigned int i = 0;
9
10 for(i=0; i<length/SM4_BLOCK_SIZE; i++){
11 (*block)(in+i*SM4_BLOCK_SIZE, out+i*SM4_BLOCK_SIZE, ctx);
12 };
13 return 0;
14 }
15
rk_sm4_ecb_encrypt(const unsigned char * in,unsigned char * out,unsigned int length,const unsigned char * key,const int key_len,const int enc)16 int rk_sm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
17 unsigned int length, const unsigned char *key, const int key_len,
18 const int enc)
19 {
20 sm4_context ctx;
21
22 if(key_len != 16)
23 return -1;
24
25 if(length%SM4_BLOCK_SIZE || length == 0)
26 return -1;
27
28 if (enc) {
29 rk_sm4_setkey_enc(&ctx, key);
30 } else {
31 rk_sm4_setkey_dec(&ctx, key);
32 }
33
34 rk_crypto_ecb128_encrypt((void*)&ctx, in, length, out, rk_rk_sm4_crypt_ecb);
35 return 0;
36 }
37
38
39