mirror of
https://github.com/guanzhi/GmSSL.git
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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/sm4.h>
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#include <gmssl/rand.h>
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int main(void)
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{
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SM4_CBC_CTX cbc_ctx;
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unsigned char key[16] = {
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0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
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0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
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};
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unsigned char iv[16] = {
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0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
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0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
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};
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unsigned char inbuf[1024];
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unsigned char outbuf[1024 + 32];
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ssize_t inlen;
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size_t outlen;
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if (sm4_cbc_encrypt_init(&cbc_ctx, key, iv) != 1) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return 1;
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}
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while ((inlen = fread(inbuf, 1, sizeof(inbuf), stdin)) > 0) {
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if (sm4_cbc_encrypt_update(&cbc_ctx, inbuf, inlen, outbuf, &outlen) != 1) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return 1;
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}
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fwrite(outbuf, 1, outlen, stdout);
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}
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if (sm4_cbc_encrypt_finish(&cbc_ctx, outbuf, &outlen) != 1) {
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fprintf(stderr, "%s %d: error\n", __FILE__, __LINE__);
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return 1;
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}
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fwrite(outbuf, 1, outlen, stdout);
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return 0;
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}
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