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39 lines
823 B
39 lines
823 B
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sm4_core.h"
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static int rk_crypto_ecb128_encrypt(void *ctx, const unsigned char *in, unsigned int length, unsigned char *out,block128_f block)
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{
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unsigned int i = 0;
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for(i=0; i<length/SM4_BLOCK_SIZE; i++){
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(*block)(in+i*SM4_BLOCK_SIZE, out+i*SM4_BLOCK_SIZE, ctx);
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};
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return 0;
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}
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int rk_sm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
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unsigned int length, const unsigned char *key, const int key_len,
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const int enc)
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{
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sm4_context ctx;
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if(key_len != 16)
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return -1;
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if(length%SM4_BLOCK_SIZE || length == 0)
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return -1;
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if (enc) {
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rk_sm4_setkey_enc(&ctx, key);
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} else {
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rk_sm4_setkey_dec(&ctx, key);
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}
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rk_crypto_ecb128_encrypt((void*)&ctx, in, length, out, rk_rk_sm4_crypt_ecb);
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return 0;
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}
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