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Update SM2

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This commit is contained in:
Zhi Guan
2024-03-10 22:34:43 +08:00
parent cfdcd0c0e3
commit 33baa3df92
15 changed files with 2410 additions and 268 deletions
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123
tests/sm2_signtest.c
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@@ -109,6 +109,7 @@ static int test_sm2_do_sign(void)
#define sm2_u256_modn_add sm2_z256_modn_add
#define sm2_u256_modn_inv sm2_z256_modn_inv
static int test_sm2_do_sign_fast(void)
{
SM2_KEY sm2_key;
@@ -141,6 +142,45 @@ static int test_sm2_do_sign_fast(void)
return 1;
}
static int test_sm2_do_sign_pre_compute(void)
{
SM2_KEY sm2_key;
uint64_t d[4];
uint64_t k[4];
uint64_t x1[4];
uint8_t dgst[32];
SM2_SIGNATURE sig;
sm2_key_generate(&sm2_key);
const uint64_t *one = sm2_z256_one();
sm2_z256_from_bytes(d, sm2_key.private_key);
sm2_z256_modn_add(d, d, one);
sm2_z256_modn_inv(d, d);
if (sm2_do_sign_pre_compute(k, x1) != 1) {
error_print();
return -1;
}
rand_bytes(dgst, sizeof(dgst));
if (sm2_do_sign_fast_ex(d, k, x1, dgst, &sig) != 1) {
error_print();
return -1;
}
if (sm2_do_verify(&sm2_key, dgst, &sig) != 1) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
static int test_sm2_sign(void)
{
SM2_KEY sm2_key;
@@ -209,12 +249,95 @@ static int test_sm2_sign_ctx(void)
return 1;
}
static int test_sm2_sign_ctx_reset(void)
{
SM2_KEY sm2_key;
SM2_SIGN_CTX sign_ctx;
SM2_SIGN_CTX vrfy_ctx;
uint8_t msg[64];
uint8_t sig[SM2_MAX_SIGNATURE_SIZE];
size_t siglen;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
// init sign_ctx and sign a message
rand_bytes(msg, sizeof(msg));
if (sm2_sign_init(&sign_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH) != 1) {
error_print();
return -1;
}
if (sm2_sign_update(&sign_ctx, msg, sizeof(msg)) != 1) {
error_print();
return -1;
}
if (sm2_sign_finish(&sign_ctx, sig, &siglen) != 1) {
error_print();
return -1;
}
// reset sign_ctx and sign another message
rand_bytes(msg, sizeof(msg));
if (sm2_sign_ctx_reset(&sign_ctx) != 1) {
error_print();
return -1;
}
if (sm2_sign_update(&sign_ctx, msg, sizeof(msg)) != 1) {
error_print();
return -1;
}
if (sm2_sign_finish(&sign_ctx, sig, &siglen) != 1) {
error_print();
return -1;
}
// verify, check whether reset works
if (sm2_verify_init(&vrfy_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH) != 1) {
error_print();
return -1;
}
if (sm2_verify_update(&vrfy_ctx, msg, sizeof(msg)) != 1) {
error_print();
return -1;
}
if (sm2_verify_finish(&vrfy_ctx, sig, siglen) != 1) {
format_bytes(stderr, 0, 4, "signature", sig, siglen);
error_print();
return -1;
}
// reset ctx and verify again
if (sm2_sign_ctx_reset(&vrfy_ctx) != 1) {
error_print();
return -1;
}
if (sm2_verify_update(&vrfy_ctx, msg, sizeof(msg)) != 1) {
error_print();
return -1;
}
if (sm2_verify_finish(&vrfy_ctx, sig, siglen) != 1) {
format_bytes(stderr, 0, 4, "signature", sig, siglen);
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
int main(void)
{
if (test_sm2_do_sign_fast() != 1) goto err;
if (test_sm2_signature() != 1) goto err;
if (test_sm2_do_sign() != 1) goto err;
if (test_sm2_do_sign_pre_compute() != 1) goto err;
if (test_sm2_sign() != 1) goto err;
if (test_sm2_sign_ctx() != 1) goto err;
if (test_sm2_sign_ctx_reset() != 1) goto err;
printf("%s all tests passed\n", __FILE__);
return 0;
err: