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5ea884ce8f6e7c74d35bd07f89dfdd8261b09fe2
GmSSL/tests/sm2test.c
Zhi Guan 5ea884ce8f More tests
2022-03-21 13:11:41 +08:00

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/*
* Copyright (c) 2014 - 2020 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/asn1.h>
#include <gmssl/error.h>
#include <gmssl/sm2.h>
#include <gmssl/pkcs8.h>
static int test_sm2_point(void)
{
SM2_POINT P, Q;
uint8_t k[32] = {0};
uint8_t buf[65] = {0};
int i;
for (i = 1; i < 8; i++) {
k[31] = (uint8_t)i;
if (sm2_point_mul_generator(&P, k) != 1
|| sm2_point_is_on_curve(&P) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 0, "k = %d, ", i);
sm2_point_print(stderr, 0, 0, "k * G", &P);
memset(buf, 0, sizeof(buf));
sm2_point_to_compressed_octets(&P, buf);
format_bytes(stderr, 0, 4, "compressedPoint", buf, 33);
memset(&Q, 0, sizeof(Q));
if (sm2_point_from_x(&Q, buf + 1, buf[0]) != 1
|| memcmp(&P, &Q, sizeof(SM2_POINT)) != 0) {
sm2_point_print(stderr, 0, 4, "P", &P);
sm2_point_print(stderr, 0, 4, "Q", &Q);
error_print();
return -1;
}
memset(buf, 0, sizeof(buf));
sm2_point_to_uncompressed_octets(&P, buf);
format_bytes(stderr, 0, 4, "compressedPoint", buf, 65);
memset(&Q, 0, sizeof(Q));
if (sm2_point_from_octets(&Q, buf, 65) != 1
|| memcmp(&P, &Q, sizeof(SM2_POINT)) != 0) {
error_print();
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_point_der(void)
{
SM2_POINT P, Q;
uint8_t k[32] = {0};
uint8_t buf[512];
int i;
for (i = 1; i < 8; i++) {
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
k[31] = i;
memset(&P, 0, sizeof(P));
memset(&Q, 0, sizeof(Q));
if (sm2_point_mul_generator(&P, k) != 1
|| sm2_point_to_der(&P, &p, &len) != 1
|| format_bytes(stderr, 0, 4, "ECPoint", buf, len) != 1
|| sm2_point_from_der(&Q, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
if (memcmp(&P, &Q, sizeof(SM2_POINT)) != 0) {
error_print();
sm2_point_print(stderr, 0, 4, "P", &P);
sm2_point_print(stderr, 0, 4, "Q", &Q);
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_point_octets(void)
{
SM2_POINT P, Q;
uint8_t k[32] = {0};
uint8_t buf[33];
int i;
for (i = 1; i < 8; i++) {
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
k[31] = i;
memset(&P, 0, sizeof(P));
memset(&Q, 0, sizeof(Q));
if (sm2_point_mul_generator(&P, k) != 1) {
error_print();
return -1;
}
sm2_point_to_compressed_octets(&P, buf);
format_bytes(stderr, 0, 4, "compressedPoint", buf, sizeof(buf));
if (sm2_point_from_octets(&Q, buf, sizeof(buf)) != 1) {
error_print();
return -1;
}
if (memcmp(&P, &Q, sizeof(SM2_POINT)) != 0) {
error_print();
sm2_point_print(stderr, 0, 4, "P", &P);
sm2_point_print(stderr, 0, 4, "Q", &Q);
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_point_from_x(void)
{
SM2_POINT P, Q;
uint8_t k[32] = {0};
uint8_t buf[33];
int i;
for (i = 1; i < 8; i++) {
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
k[31] = i;
memset(&P, 0, sizeof(P));
memset(&Q, 0, sizeof(Q));
if (sm2_point_mul_generator(&P, k) != 1) {
error_print();
return -1;
}
sm2_point_to_compressed_octets(&P, buf);
if (sm2_point_from_x(&Q, buf + 1, buf[0]) != 1) {
error_print();
return -1;
}
if (memcmp(&P, &Q, sizeof(SM2_POINT)) != 0) {
error_print();
sm2_point_print(stderr, 0, 4, "P", &P);
sm2_point_print(stderr, 0, 4, "Q", &Q);
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_signature(void)
{
SM2_SIGNATURE sig;
uint8_t buf[512];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
// MinLen
memset(&sig, 0x00, sizeof(sig));
cp = p = buf; len = 0;
if (sm2_signature_to_der(&sig, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "SM2_MIN_SIGNATURE_SIZE: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
sm2_signature_print(stderr, 0, 4, "signature", buf, len);
if (len != SM2_MIN_SIGNATURE_SIZE) {
error_print();
return -1;
}
if (sm2_signature_from_der(&sig, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
// MaxLen
memset(&sig, 0x80, sizeof(sig));
cp = p = buf; len = 0;
if (sm2_signature_to_der(&sig, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "SM2_MAX_SIGNATURE_SIZE: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
sm2_signature_print(stderr, 0, 4, "signature", buf, len);
if (len != SM2_MAX_SIGNATURE_SIZE) {
error_print();
return -1;
}
if (sm2_signature_from_der(&sig, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_sign(void)
{
int ret;
SM2_KEY sm2_key;
SM2_SIGN_CTX sign_ctx;
uint8_t msg[] = "Hello World!";
uint8_t sig[SM2_MAX_SIGNATURE_SIZE] = {0};
size_t siglen;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
sm2_key_print(stderr, 0, 4, "SM2_KEY", &sm2_key);
if (sm2_sign_init(&sign_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH) != 1
|| sm2_sign_update(&sign_ctx, msg, sizeof(msg)) != 1
|| sm2_sign_finish(&sign_ctx, sig, &siglen) != 1) {
error_print();
return -1;
}
format_bytes(stderr, 0, 4, "signature", sig, siglen);
sm2_signature_print(stderr, 0, 4, "signature", sig, siglen);
if (sm2_verify_init(&sign_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH) != 1
|| sm2_verify_update(&sign_ctx, msg, sizeof(msg)) != 1
|| (ret = sm2_verify_finish(&sign_ctx, sig, siglen)) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "verification: %s\n", ret ? "success" : "failed");
// FIXME: 还应该增加验证不通过的测试
// 还应该增加底层的参数
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_ciphertext(void)
{
SM2_CIPHERTEXT C;
uint8_t buf[1024];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
// {0, 0, Hash, NULL}
memset(&C, 0, sizeof(SM2_CIPHERTEXT));
cp = p = buf; len = 0;
if (sm2_ciphertext_to_der(&C, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "SM2_NULL_CIPHERTEXT_SIZE: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
if (sm2_ciphertext_from_der(&C, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
// {0, 0, Hash, MinLen}
C.ciphertext_size = SM2_MIN_PLAINTEXT_SIZE;
cp = p = buf; len = 0;
if (sm2_ciphertext_to_der(&C, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "SM2_MIN_PLAINTEXT_SIZE: %zu\n", SM2_MIN_PLAINTEXT_SIZE);
format_print(stderr, 0, 4, "SM2_MIN_CIPHERTEXT_SIZE: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
if (len != SM2_MIN_CIPHERTEXT_SIZE) {
error_print();
return -1;
}
if (sm2_ciphertext_from_der(&C, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
// { 33, 33, Hash, NULL }
memset(&C, 0x80, sizeof(SM2_POINT));
cp = p = buf; len = 0;
if (sm2_ciphertext_to_der(&C, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "ciphertext len: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
if (sm2_ciphertext_from_der(&C, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
// { 33, 33, Hash, MaxLen }
C.ciphertext_size = SM2_MAX_PLAINTEXT_SIZE;//SM2_MAX_PLAINTEXT_SIZE;
cp = p = buf; len = 0;
if (sm2_ciphertext_to_der(&C, &p, &len) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "SM2_MAX_PLAINTEXT_SIZE: %zu\n", SM2_MAX_PLAINTEXT_SIZE);
format_print(stderr, 0, 4, "SM2_MAX_CIPHERTEXT_SIZE: %zu\n", len);
format_bytes(stderr, 0, 4, "", buf, len);
if (len != SM2_MAX_CIPHERTEXT_SIZE) {
error_print();
return -1;
}
if (sm2_ciphertext_from_der(&C, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_do_encrypt(void)
{
SM2_KEY sm2_key;
uint8_t plaintext[] = "Hello World!";
SM2_CIPHERTEXT ciphertext;
uint8_t plainbuf[SM2_MAX_PLAINTEXT_SIZE] = {0};
size_t plainlen = 0;
int r = 0;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
if (sm2_do_encrypt(&sm2_key, plaintext, sizeof(plaintext), &ciphertext) != 1
|| sm2_do_decrypt(&sm2_key, &ciphertext, plainbuf, &plainlen) != 1) {
error_print();
return -1;
}
if (plainlen != sizeof(plaintext)
|| memcmp(plainbuf, plaintext, sizeof(plaintext)) != 0) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_encrypt(void)
{
SM2_KEY sm2_key;
uint8_t msg[SM2_MAX_PLAINTEXT_SIZE];
uint8_t cbuf[SM2_MAX_CIPHERTEXT_SIZE+100];
uint8_t mbuf[SM2_MAX_CIPHERTEXT_SIZE];
size_t lens[] = {
// 0,
1,
16,
SM2_MAX_PLAINTEXT_SIZE,
};
size_t clen, mlen;
int i;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
for (i = 0; i < sizeof(msg); i++) {
msg[i] = (uint8_t)i;
}
for (i = 0; i < sizeof(lens)/sizeof(lens[0]); i++) {
format_bytes(stderr, 0, 4, "mesg", msg, lens[i]);
if (sm2_encrypt(&sm2_key, msg, lens[i], cbuf, &clen) != 1) {
error_print();
return -1;
}
format_print(stderr, 0, 4, "inlen = %zu, outlen = %zu\n", lens[i], clen);
format_bytes(stderr, 0, 4, "", cbuf, clen);
sm2_ciphertext_print(stderr, 0, 4, "ciphertext", cbuf, clen);
if (sm2_decrypt(&sm2_key, cbuf, clen, mbuf, &mlen) != 1) {
error_print();
return -1;
}
format_bytes(stderr, 0, 4, "mbuf", mbuf, mlen);
if (mlen != lens[i]
|| memcmp(mbuf, msg, lens[i]) != 0) {
error_print();
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_private_key(void)
{
SM2_KEY sm2_key;
SM2_KEY tmp_key;
uint8_t buf[SM2_PRIVATE_KEY_BUF_SIZE];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
const uint8_t *d;
size_t dlen;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
sm2_key_print(stderr, 0, 4, "SM2_KEY", &sm2_key);
if (sm2_private_key_to_der(&sm2_key, &p, &len) != 1) {
error_print();
return -1;
}
format_bytes(stderr, 0, 4, "ECPrivateKey", buf, len);
format_print(stderr, 0, 4, "#define SM2_PRIVATE_KEY_DEFAULT_SIZE %zu\n", len);
if (sm2_private_key_from_der(&tmp_key, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1
|| memcmp(&tmp_key, &sm2_key, sizeof(SM2_KEY)) != 0) {
error_print();
return -1;
}
cp = p = buf; len = 0;
memset(&tmp_key, 0, sizeof(tmp_key));
if (sm2_private_key_to_der(&sm2_key, &p, &len) != 1
|| asn1_sequence_from_der(&d, &dlen, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
sm2_private_key_print(stderr, 0, 4, "ECPrivateKey", d, dlen);
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_private_key_info(void)
{
uint8_t buf[512];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
const uint8_t *d;
size_t dlen;
SM2_KEY sm2_key;
SM2_KEY tmp_key;
const uint8_t *attrs;
size_t attrs_len;
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
sm2_key_print(stderr, 0, 4, "SM2_KEY", &sm2_key);
if (sm2_private_key_info_to_der(&sm2_key, &p, &len) != 1) {
error_print();
return -1;
}
format_bytes(stderr, 0, 4, "PrivateKeyInfo", buf, len);
format_print(stderr, 0, 4, "sizeof(PrivateKeyInfo): %zu\n", len);
if (asn1_sequence_from_der(&d, &dlen, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
sm2_private_key_info_print(stderr, 0, 4, "PrivateKeyInfo", d, dlen);
cp = p = buf; len = 0;
if (sm2_private_key_info_to_der(&sm2_key, &p, &len) != 1) {
error_print();
return -1;
}
if (sm2_private_key_info_from_der(&tmp_key, &attrs, &attrs_len, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1
|| memcmp(&tmp_key, &sm2_key, sizeof(SM2_KEY)) != 0) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
static int test_sm2_enced_private_key_info(void)
{
uint8_t buf[512];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
const uint8_t *d;
size_t dlen;
SM2_KEY sm2_key;
SM2_KEY tmp_key;
const uint8_t *attrs;
size_t attrs_len;
const char *pass = "Password";
if (sm2_key_generate(&sm2_key) != 1) {
error_print();
return -1;
}
sm2_key_print(stderr, 0, 4, "SM2_KEY", &sm2_key);
if (sm2_private_key_info_encrypt_to_der(&sm2_key, pass, &p, &len) != 1) {
error_print();
return -1;
}
format_bytes(stderr, 0, 4, "EncryptedPrivateKeyInfo", buf, len);
format_print(stderr, 0, 4, "sizeof(EncryptedPrivateKeyInfo): %zu\n", len);
if (asn1_sequence_from_der(&d, &dlen, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1) {
error_print();
return -1;
}
pkcs8_enced_private_key_info_print(stderr, 0, 4, "EncryptedPrivateKeyInfo", d, dlen);
cp = p = buf; len = 0;
if (sm2_private_key_info_encrypt_to_der(&sm2_key, pass, &p, &len) != 1) {
error_print();
return -1;
}
if (sm2_private_key_info_decrypt_from_der(&tmp_key, &attrs, &attrs_len, pass, &cp, &len) != 1
|| asn1_length_is_zero(len) != 1
|| memcmp(&tmp_key, &sm2_key, sizeof(SM2_KEY)) != 0) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 0;
}
int main(void)
{
int err = 0;
err += sm2_selftest();
err += test_sm2_point();
err += test_sm2_point_octets();
err += test_sm2_point_from_x();
err += test_sm2_point_der();
err += test_sm2_private_key();
err += test_sm2_private_key_info();
err += test_sm2_enced_private_key_info();
err += test_sm2_signature();
err += test_sm2_sign();
err += test_sm2_ciphertext();
err += test_sm2_do_encrypt();
err += test_sm2_encrypt();
if (!err) printf("%s all tests passed\n", __FILE__);
return err;
}
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