mirror of
https://github.com/guanzhi/GmSSL.git
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43 lines
983 B
C
43 lines
983 B
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/mem.h>
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#include <gmssl/sm2.h>
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#include <gmssl/error.h>
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int main(void)
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{
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SM2_KEY sm2_key;
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char *password = "123456";
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unsigned char buf[512];
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unsigned char *p;
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size_t len;
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printf("Read SM2 private key file (PEM) from stdin ...\n");
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if (sm2_private_key_info_decrypt_from_pem(&sm2_key, password, stdin) != 1) {
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fprintf(stderr, "error\n");
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return 1;
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}
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p = buf;
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len = 0;
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if (sm2_private_key_to_der(&sm2_key, &p, &len) != 1) {
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fprintf(stderr, "error\n");
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return 1;
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}
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format_bytes(stdout, 0, 0, "buf", buf, len);
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sm2_key_print(stdout, 0, 0, "SM2PrivateKey", &sm2_key);
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gmssl_secure_clear(&sm2_key, sizeof(sm2_key));
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return 0;
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}
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