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45 lines
1.0 KiB
C
45 lines
1.0 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 <assert.h>
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#include <gmssl/sm2.h>
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#include <gmssl/sm2_recover.h>
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#include <gmssl/error.h>
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static int test_sm2_signature_to_public_key_points(void)
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{
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SM2_KEY key;
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uint8_t dgst[32] = {1,2,3,4};
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SM2_SIGNATURE sig;
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SM2_POINT points[4];
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size_t points_cnt, i;
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sm2_key_generate(&key);
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sm2_do_sign(&key, dgst, &sig);
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sm2_signature_to_public_key_points(&sig, dgst, points, &points_cnt);
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for (i = 0; i < points_cnt; i++) {
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int vr;
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sm2_point_print(stderr, 0, 0, "point", &points[i]);
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vr = sm2_do_verify((SM2_KEY *)&points[1], dgst, &sig);
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printf("verify = %d\n", vr);
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}
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return 1;
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}
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int main(void)
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{
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if (test_sm2_signature_to_public_key_points() != 1) { error_print(); return -1; }
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return 0;
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}
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