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Update SM2 Extensions

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Arrange source files
This commit is contained in:
Zhi Guan
2022-12-30 12:46:47 +08:00
parent 7be0df2b82
commit dc7b9e68ec
19 changed files with 698 additions and 303 deletions
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27
src/sm2_recover.c
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@@ -15,6 +15,11 @@
#include <gmssl/error.h>
extern SM2_BN SM2_P;
extern SM2_BN SM2_B;
extern SM2_BN SM2_N;
extern SM2_BN SM2_THREE;
// r = H(Z||M) + x1 (mod n)
// x1 = r - H(Z||M) (mod n) or (r - H(Z||M) (mod n)) + n
// y1 = sqrt(x1^3 + a*x1 + b)
@@ -107,25 +112,3 @@ int sm2_signature_to_public_key_points(const SM2_SIGNATURE *sig, const uint8_t d
return 1;
}
static int test_sm2_signature_to_public_key_points(void)
{
SM2_KEY key;
uint8_t dgst[32] = {1,2,3,4};
SM2_SIGNATURE sig;
SM2_POINT points[4];
size_t points_cnt, i;
sm2_key_generate(&key);
sm2_do_sign(&key, dgst, &sig);
sm2_signature_to_public_key_points(&sig, dgst, points, &points_cnt);
for (i = 0; i < points_cnt; i++) {
int vr;
sm2_point_print(stderr, 0, 0, "point", &points[i]);
vr = sm2_do_verify((SM2_KEY *)&points[1], dgst, &sig);
printf("verify = %d\n", vr);
}
return 1;
}