mirror of
https://github.com/guanzhi/GmSSL.git
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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* Copyright 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/sm9.h>
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#include <gmssl/error.h>
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int main(void)
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{
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SM9_ENC_MASTER_KEY master;
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SM9_ENC_MASTER_KEY master_public;
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SM9_ENC_KEY key;
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const char *id = "Alice";
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uint8_t buf[512];
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uint8_t *p = buf;
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const uint8_t *cp = buf;
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size_t len;
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char mbuf[256];
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size_t mlen;
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int ret;
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sm9_enc_master_key_generate(&master);
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sm9_enc_master_key_extract_key(&master, id, strlen(id), &key);
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sm9_enc_master_public_key_to_der(&master, &p, &len);
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sm9_enc_master_public_key_from_der(&master_public, &cp, &len);
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sm9_encrypt(&master_public, id, strlen(id), (uint8_t *)"hello", strlen("hello"), buf, &len);
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ret = sm9_decrypt(&key, id, strlen(id), buf, len, (uint8_t *)mbuf, &mlen);
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if (ret != 1) {
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fprintf(stderr, "decrypt failed\n");
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return 1;
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}
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mbuf[mlen] = 0;
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printf("decrypt result: %s\n", mbuf);
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return 0;
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}
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