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GmSSL/tests/sm2test.c
Zhi Guan 7e4dd76839 update
2022-04-11 17:56:25 +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>
#define sm2_print_bn(label,a) sm2_bn_print(stderr,0,0,label,a) // 这个不应该放在这里，应该放在测试文件中
#define hex_fp_add_x_y "eefbe4cf140ff8b5b956d329d5a2eae8608c933cb89053217439786e54866567"
#define hex_fp_sub_x_y "768d77882a23097d05db3562fed0a840bf3984422c3bc4a26e7b12a412128426"
#define hex_fp_sub_y_x "89728876d5dcf682fa24ca9d012f57bf40c67bbcd3c43b5e9184ed5beded7bd9"
#define hex_fp_neg_x "cd3b51d2e0e67ee6a066fbb995c6366b701cf43f0d99f41f8ea5ba76ccb38b38"
#define hex_fp_mul_x_y "edd7e745bdc4630ccfa1da1057033a525346dbf202f082f3c431349991ace76a"
#define hex_fp_squ_x "f4e2cca0bcfd67fba8531eebff519e4cb3d47f9fe8c5eff5151f4c497ec99fbf"
#define hex_fp_exp_x_y "8cafd11b1a0d2072b82911ba87e0d376103a1be5986fce91d8d297b758f68146"
#define hex_fp_inv_x "053b878fb82e213c17e554b9a574b7bd31775222704b7fd9c7d6f8441026cd80"
#define hex_fn_add_x_y "eefbe4cf140ff8b5b956d329d5a2eae8608c933cb89053217439786e54866567"
#define hex_fn_sub_x_y "768d77882a23097d05db3562fed0a840313d63ae4e01c9ccc23706ad4be7c54a"
#define hex_fn_sub_y_x "89728876d5dcf682fa24ca9d012f57bf40c67bbcd3c43b5e9184ed5beded7bd9"
#define hex_fn_neg_x "cd3b51d2e0e67ee6a066fbb995c6366ae220d3ab2f5ff949e261ae800688cc5c"
#define hex_fn_mul_x_y "cf7296d5cbf0b64bb5e9a11b294962e9c779b41c038e9c8d815234a0df9d6623"
#define hex_fn_sqr_x "82d3d1b296d3a3803888b7ffc78f23eca824e7ec8d7ddaf231ffb0d256a19da2"
#define hex_fn_exp_x_y "0cf4df7e76d7d49ff23b94853a98aba1e36e9ca0358acbf23a3bbda406f46df3"
#define hex_fn_inv_x "96340ec8b80f44e9b345a706bdb5c9e3ab8a6474a5cb4e0d4645dbaecf1cf03d"
#define hex_v "d3da0ef661be97360e1b32f834e6ca5673b1984b22bb420133da05e56ccd59fb"
#define hex_fn_mul_x_v "0375c61e1ed13e460f4b5d462dc5b2c846f36c7b481cd4bed8f7dd55908a6afd"
#define hex_t "2fbadf57b52dc19e8470bf201cb182e0a4f7fa5e28d356b15da173132b94b325"
int test_sm2_bn(void)
{
SM2_BN r;
SM2_BN x;
SM2_BN y;
int ok, i = 1;
char hex[65];
SM2_BN v = {
0x6ccd59fb, 0x33da05e5, 0x22bb4201, 0x73b1984b,
0x34e6ca56, 0x0e1b32f8, 0x61be9736, 0xd3da0ef6,
};
SM2_BN t;
sm2_bn_copy(x, SM2_G->X);
sm2_bn_copy(y, SM2_G->Y);
sm2_bn_from_hex(r, hex_v);
ok = (sm2_bn_cmp(r, v) == 0);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
// fp tests
sm2_fp_add(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fp_add_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fp_sub(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fp_sub_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fp_mul(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fp_mul_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fp_exp(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fp_exp_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fp_inv(r, x);
ok = sm2_bn_equ_hex(r, hex_fp_inv_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fp_neg(r, x);
ok = sm2_bn_equ_hex(r, hex_fp_neg_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
// fn tests
sm2_fn_add(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fn_add_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_sub(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fn_sub_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_sub(r, y, x);
ok = sm2_bn_equ_hex(r, hex_fn_sub_y_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_neg(r, x);
ok = sm2_bn_equ_hex(r, hex_fn_neg_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_mul(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fn_mul_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_mul(r, x, v);
ok = sm2_bn_equ_hex(r, hex_fn_mul_x_v);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_sqr(r, x);
ok = sm2_bn_equ_hex(r, hex_fn_sqr_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_exp(r, x, y);
ok = sm2_bn_equ_hex(r, hex_fn_exp_x_y);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
sm2_fn_inv(r, x);
ok = sm2_bn_equ_hex(r, hex_fn_inv_x);
printf("sm2 bn test %d %s\n", i++, ok ? "ok" : "failed");
if (!ok) return 1;
SM2_BN tv = {
0x2b94b325, 0x5da17313, 0x28d356b1, 0xa4f7fa5e,
0x1cb182e0, 0x8470bf20, 0xb52dc19e, 0x2fbadf57,
};
sm2_bn_from_hex(t, hex_t);
ok = (sm2_bn_cmp(t, tv) == 0);
if (!ok) return 1;
sm2_bn_to_hex(t, hex);
return 0;
}
#define hex_G \
"32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7" \
"bc3736a2f4f6779c59bdcee36b692153d0a9877cc62a474002df32e52139f0a0"
#define hex_2G \
"56cefd60d7c87c000d58ef57fa73ba4d9c0dfa08c08a7331495c2e1da3f2bd52" \
"31b7e7e6cc8189f668535ce0f8eaf1bd6de84c182f6c8e716f780d3a970a23c3"
#define hex_3G \
"a97f7cd4b3c993b4be2daa8cdb41e24ca13f6bd945302244e26918f1d0509ebf" \
"530b5dd88c688ef5ccc5cec08a72150f7c400ee5cd045292aaacdd037458f6e6"
#define hex_negG \
"32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7" \
"43c8c95c0b098863a642311c9496deac2f56788239d5b8c0fd20cd1adec60f5f"
#define hex_10G \
"d3f94862519621c121666061f65c3e32b2d0d065cd219e3284a04814db522756" \
"4b9030cf676f6a742ebd57d146dca428f6b743f64d1482d147d46fb2bab82a14"
#define hex_bG \
"528470bc74a6ebc663c06fc4cfa1b630d1e9d4a80c0a127b47f73c324c46c0ba" \
"832cf9c5a15b997e60962b4cf6e2c9cee488faaec98d20599d323d4cabfc1bf4"
#define hex_P \
"504cfe2fae749d645e99fbb5b25995cc6fed70196007b039bdc44706bdabc0d9" \
"b80a8018eda5f55ddc4b870d7784b7b84e53af02f575ab53ed8a99a3bbe2abc2"
#define hex_2P \
"a53d20e89312b5243f66aec12ef6471f5911941d86302d5d8337cb70937d65ae" \
"96953c46815e4259363256ddd6c77fcc33787aeafc6a57beec5833f476dd69e0"
#define hex_tP \
"02deff2c5b3656ca3f7c7ca9d710ca1d69860c75a9c7ec284b96b8adc50b2936" \
"b74bcba937e9267fce4ccc069a6681f5b04dcedd9e2794c6a25ddc7856df7145"
int test_sm2_jacobian_point(void)
{
SM2_JACOBIAN_POINT _P, *P = &_P;
SM2_JACOBIAN_POINT _G, *G = &_G;
SM2_BN k;
int err = 0, i = 1, ok;
uint8_t buf[64];
printf("sm2_jacobian_point_test\n");
sm2_jacobian_point_copy(G, SM2_G);
ok = sm2_jacobian_point_equ_hex(G, hex_G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
ok = sm2_jacobian_point_is_on_curve(G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_dbl(P, G);
ok = sm2_jacobian_point_equ_hex(P, hex_2G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_add(P, P, G);
ok = sm2_jacobian_point_equ_hex(P, hex_3G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_sub(P, P, G);
ok = sm2_jacobian_point_equ_hex(P, hex_2G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_neg(P, G);
ok = sm2_jacobian_point_equ_hex(P, hex_negG);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_bn_set_word(k, 10);
sm2_jacobian_point_mul(P, k, G);
ok = sm2_jacobian_point_equ_hex(P, hex_10G);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_mul_generator(P, SM2_B);
ok = sm2_jacobian_point_equ_hex(P, hex_bG);
printf("sm2 point test %d %s\n", i++, ok ? "ok" : "failed"); err += ok ^ 1;
sm2_jacobian_point_to_bytes(P, buf);
sm2_jacobian_point_from_hex(P, hex_P);
return err;
}
#define hex_d "5aebdfd947543b713bc0df2c65baaecc5dadd2cab39c6971402daf92c263fad2"
#define hex_e "c0881c19beec741b9af27cc26493dcc33b05d481bfeab2f3ce9cc056e6ff8400"
#define hex_k "981325ee1ab171e9d2cffb317181a02957b18a34bca610a6d2f8afcdeb53f6b8"
#define hex_x1 "17d2dfe83f23cce8499bca983950d59f0fd56c4c671dd63c04b27e4e94cfd767"
#define hex_r "d85afc01fe104103e48e475a9de4b2624adb40ce2708892fd34f3ea57bcf5b67"
#define hex_rd "a70ba64f9c30e05095f39fe26675114e3f157b2c35191bf6ff06246452f82eb3"
#define hex_di "3ecfdb51c24b0eecb2d4238d1da8c013b8b575cef14ef43e2ddb7bce740ce9cf"
#define hex_krd "f1077f9d7e8091993cdc5b4f0b0c8eda8a9fee73a952f9db27ae7f72d2310928"
#define hex_s "006bac5b8057ca829534dfde72a0d7883444a3b9bfe9bcdfb383fb90ed7d9486"
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} 这个肯定是无法通过检测的
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);
/*
test_sm2_do_encrypt() ok
mesg: 00
inlen = 1, outlen = 108
: 306A02202C42AB80CFCE26AE4C9E191465D8939A262D672A2BB3DC85E0A708ED227224F102210093F8817FAB5C83B9676A32E0E23FCAF72D0F38B53A9EAB27B79761ADD9E343E90420511C09CBBCFD1BA3B7C337D8607AB65839EA6BBE5067CDD21E3CBD6595B06215040107
ciphertext
XCoordinate: 2C42AB80CFCE26AE4C9E191465D8939A262D672A2BB3DC85E0A708ED227224F1
YCoordinate: 93F8817FAB5C83B9676A32E0E23FCAF72D0F38B53A9EAB27B79761ADD9E343E9
HASH: 511C09CBBCFD1BA3B7C337D8607AB65839EA6BBE5067CDD21E3CBD6595B06215
CipherText: 07
mbuf: 00
mesg: 000102030405060708090A0B0C0D0E0F
inlen = 16, outlen = 123
: 307902210096D5A0399A83EC70225D7CEB17BA78597AB95C1997FB34160159B21AA2D8FF82022000D5956AACBB025689D0E61CAB4DA539F2726DF5824FE507EE830F050F0C3CDE042050EAEC4EBBF85ED9AA41C30009A1E7956ED193D9C4CD1E5C8A47BAA8E35869170410CA5D840DB514013B795F60D76C856E59
ciphertext
XCoordinate: 96D5A0399A83EC70225D7CEB17BA78597AB95C1997FB34160159B21AA2D8FF82
YCoordinate: D5956AACBB025689D0E61CAB4DA539F2726DF5824FE507EE830F050F0C3CDE00
HASH: 50EAEC4EBBF85ED9AA41C30009A1E7956ED193D9C4CD1E5C8A47BAA8E3586917
CipherText: CA5D840DB514013B795F60D76C856E59
/Users/guanzhi/code/gmssl3/src/sm2_lib.c 598: invalid ciphertext
/Users/guanzhi/code/gmssl3/src/sm2_lib.c:720:sm2_decrypt():
/Users/guanzhi/code/gmssl3/tests/sm2test.c:693:test_sm2_encrypt():
*/
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) {
error_print();
return -1;
}
if (memcmp(&tmp_key, &sm2_key, sizeof(SM2_KEY)) != 0) {
sm2_key_print(stderr, 0, 0, "sm2_key", &sm2_key);
sm2_key_print(stderr, 0, 0, "tmp_key", &tmp_key);
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 += test_sm2_bn();
err += test_sm2_jacobian_point();
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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