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37 lines
744 B
C
37 lines
744 B
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 <string.h>
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#include <stdlib.h>
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#include <gmssl/sm3.h>
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int main(void)
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{
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SM3_KDF_CTX kdf_ctx;
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unsigned char key[16] = {0};
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unsigned char raw[32] = {
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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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int i;
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sm3_kdf_init(&kdf_ctx, sizeof(key));
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sm3_kdf_update(&kdf_ctx, raw, sizeof(raw));
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sm3_kdf_finish(&kdf_ctx, key);
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printf("key: ");
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for (i = 0; i < sizeof(key); i++) {
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printf("%02X", key[i]);
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}
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printf("\n");
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return 0;
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}
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