[thirdparty/openssl.git] / test / sm2_internal_test.c

/*
 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/bn.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include "testutil.h"

#ifndef OPENSSL_NO_SM2

# include "internal/sm2.h"

static RAND_METHOD fake_rand;
static const RAND_METHOD *saved_rand;

static uint8_t *fake_rand_bytes = NULL;
static size_t fake_rand_bytes_offset = 0;
static size_t fake_rand_size = 0;

static int get_faked_bytes(unsigned char *buf, int num)
{
    int i;

    if (fake_rand_bytes == NULL)
        return saved_rand->bytes(buf, num);

    if (!TEST_size_t_le(fake_rand_bytes_offset + num, fake_rand_size))
        return 0;

    for (i = 0; i != num; ++i)
        buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
    fake_rand_bytes_offset += num;
    return 1;
}

static int start_fake_rand(const char *hex_bytes)
{
    /* save old rand method */
    if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
        return 0;

    fake_rand = *saved_rand;
    /* use own random function */
    fake_rand.bytes = get_faked_bytes;

    fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
    fake_rand_bytes_offset = 0;
    fake_rand_size = strlen(hex_bytes) / 2;

    /* set new RAND_METHOD */
    if (!TEST_true(RAND_set_rand_method(&fake_rand)))
        return 0;
    return 1;
}

static int restore_rand(void)
{
    OPENSSL_free(fake_rand_bytes);
    fake_rand_bytes = NULL;
    fake_rand_bytes_offset = 0;
    if (!TEST_true(RAND_set_rand_method(saved_rand)))
        return 0;
    return 1;
}

static EC_GROUP *create_EC_group(const char *p_hex, const char *a_hex,
                                 const char *b_hex, const char *x_hex,
                                 const char *y_hex, const char *order_hex,
                                 const char *cof_hex)
{
    BIGNUM *p = NULL;
    BIGNUM *a = NULL;
    BIGNUM *b = NULL;
    BIGNUM *g_x = NULL;
    BIGNUM *g_y = NULL;
    BIGNUM *order = NULL;
    BIGNUM *cof = NULL;
    EC_POINT *generator = NULL;
    EC_GROUP *group = NULL;
    int ok = 0;

    if (!TEST_true(BN_hex2bn(&p, p_hex))
            || !TEST_true(BN_hex2bn(&a, a_hex))
            || !TEST_true(BN_hex2bn(&b, b_hex)))
        goto done;

    group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
    if (!TEST_ptr(group))
        goto done;

    generator = EC_POINT_new(group);
    if (!TEST_ptr(generator))
        goto done;

    if (!TEST_true(BN_hex2bn(&g_x, x_hex))
            || !TEST_true(BN_hex2bn(&g_y, y_hex))
            || !TEST_true(EC_POINT_set_affine_coordinates(group, generator, g_x,
                                                          g_y, NULL)))
        goto done;

    if (!TEST_true(BN_hex2bn(&order, order_hex))
            || !TEST_true(BN_hex2bn(&cof, cof_hex))
            || !TEST_true(EC_GROUP_set_generator(group, generator, order, cof)))
        goto done;

    ok = 1;
done:
    BN_free(p);
    BN_free(a);
    BN_free(b);
    BN_free(g_x);
    BN_free(g_y);
    EC_POINT_free(generator);
    BN_free(order);
    BN_free(cof);
    if (!ok) {
        EC_GROUP_free(group);
        group = NULL;
    }

    return group;
}

static int test_sm2_crypt(const EC_GROUP *group,
                          const EVP_MD *digest,
                          const char *privkey_hex,
                          const char *message,
                          const char *k_hex, const char *ctext_hex)
{
    const size_t msg_len = strlen(message);
    BIGNUM *priv = NULL;
    EC_KEY *key = NULL;
    EC_POINT *pt = NULL;
    unsigned char *expected = OPENSSL_hexstr2buf(ctext_hex, NULL);
    size_t ctext_len = 0;
    size_t ptext_len = 0;
    uint8_t *ctext = NULL;
    uint8_t *recovered = NULL;
    size_t recovered_len = msg_len;
    int rc = 0;

    if (!TEST_ptr(expected)
            || !TEST_true(BN_hex2bn(&priv, privkey_hex)))
        goto done;

    key = EC_KEY_new();
    if (!TEST_ptr(key)
            || !TEST_true(EC_KEY_set_group(key, group))
            || !TEST_true(EC_KEY_set_private_key(key, priv)))
        goto done;

    pt = EC_POINT_new(group);
    if (!TEST_ptr(pt)
            || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
            || !TEST_true(EC_KEY_set_public_key(key, pt))
            || !TEST_true(sm2_ciphertext_size(key, digest, msg_len, &ctext_len)))
        goto done;

    ctext = OPENSSL_zalloc(ctext_len);
    if (!TEST_ptr(ctext))
        goto done;

    start_fake_rand(k_hex);
    if (!TEST_true(sm2_encrypt(key, digest, (const uint8_t *)message, msg_len,
                               ctext, &ctext_len))
            || !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
        restore_rand();
        goto done;
    }
    restore_rand();

    if (!TEST_mem_eq(ctext, ctext_len, expected, ctext_len))
        goto done;

    if (!TEST_true(sm2_plaintext_size(key, digest, ctext_len, &ptext_len))
            || !TEST_int_eq(ptext_len, msg_len))
        goto done;

    recovered = OPENSSL_zalloc(ptext_len);
    if (!TEST_ptr(recovered)
            || !TEST_true(sm2_decrypt(key, digest, ctext, ctext_len, recovered, &recovered_len))
            || !TEST_int_eq(recovered_len, msg_len)
            || !TEST_mem_eq(recovered, recovered_len, message, msg_len))
        goto done;

    rc = 1;
 done:
    BN_free(priv);
    EC_POINT_free(pt);
    OPENSSL_free(ctext);
    OPENSSL_free(recovered);
    OPENSSL_free(expected);
    EC_KEY_free(key);
    return rc;
}

static int sm2_crypt_test(void)
{
    int testresult = 0;
    EC_GROUP *test_group =
        create_EC_group
        ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
         "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
         "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
         "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
         "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
         "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
         "1");

    if (!TEST_ptr(test_group))
        goto done;

    if (!test_sm2_crypt(
            test_group,
            EVP_sm3(),
            "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
            "encryption standard",
            "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
            "0092e8ff62146873c258557548500ab2df2a365e0609ab67640a1f6d57d7b17820"
            "008349312695a3e1d2f46905f39a766487f2432e95d6be0cb009fe8c69fd8825a7",
            "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
            "7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
            "4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
            "285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467"))
        goto done;

    /* Same test as above except using SHA-256 instead of SM3 */
    if (!test_sm2_crypt(
            test_group,
            EVP_sha256(),
            "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
            "encryption standard",
            "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
            "003da18008784352192d70f22c26c243174a447ba272fec64163dd4742bae8bc98"
            "00df17605cf304e9dd1dfeb90c015e93b393a6f046792f790a6fa4228af67d9588",
            "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F"
            "6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84"
            "400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E9"
            "88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
        goto done;

    testresult = 1;
 done:
    EC_GROUP_free(test_group);

    return testresult;
}

static int test_sm2_sign(const EC_GROUP *group,
                         const char *userid,
                         const char *privkey_hex,
                         const char *message,
                         const char *k_hex,
                         const char *r_hex,
                         const char *s_hex)
{
    const size_t msg_len = strlen(message);
    int ok = 0;
    BIGNUM *priv = NULL;
    EC_POINT *pt = NULL;
    EC_KEY *key = NULL;
    ECDSA_SIG *sig = NULL;
    const BIGNUM *sig_r = NULL;
    const BIGNUM *sig_s = NULL;
    BIGNUM *r = NULL;
    BIGNUM *s = NULL;

    if (!TEST_true(BN_hex2bn(&priv, privkey_hex)))
        goto done;

    key = EC_KEY_new();
    if (!TEST_ptr(key)
            || !TEST_true(EC_KEY_set_group(key, group))
            || !TEST_true(EC_KEY_set_private_key(key, priv)))
        goto done;

    pt = EC_POINT_new(group);
    if (!TEST_ptr(pt)
            || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
            || !TEST_true(EC_KEY_set_public_key(key, pt)))
        goto done;

    start_fake_rand(k_hex);
    sig = sm2_do_sign(key, EVP_sm3(), (const uint8_t *)userid, strlen(userid),
                      (const uint8_t *)message, msg_len);
    if (!TEST_ptr(sig)
            || !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
        restore_rand();
        goto done;
    }
    restore_rand();

    ECDSA_SIG_get0(sig, &sig_r, &sig_s);

    if (!TEST_true(BN_hex2bn(&r, r_hex))
            || !TEST_true(BN_hex2bn(&s, s_hex))
            || !TEST_BN_eq(r, sig_r)
            || !TEST_BN_eq(s, sig_s))
        goto done;

    ok = sm2_do_verify(key, EVP_sm3(), sig, (const uint8_t *)userid,
                       strlen(userid), (const uint8_t *)message, msg_len);

    /* We goto done whether this passes or fails */
    TEST_true(ok);

 done:
    ECDSA_SIG_free(sig);
    EC_POINT_free(pt);
    EC_KEY_free(key);
    BN_free(priv);
    BN_free(r);
    BN_free(s);

    return ok;
}

static int sm2_sig_test(void)
{
    int testresult = 0;
    /* From draft-shen-sm2-ecdsa-02 */
    EC_GROUP *test_group =
        create_EC_group
        ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
         "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
         "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
         "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
         "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
         "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
         "1");

    if (!TEST_ptr(test_group))
        goto done;

    if (!TEST_true(test_sm2_sign(
                        test_group,
                        "ALICE123@YAHOO.COM",
                        "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
                        "message digest",
                        "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F"
                        "007c47811054c6f99613a578eb8453706ccb96384fe7df5c171671e760bfa8be3a",
                        "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
                        "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
        goto done;

    testresult = 1;

 done:
    EC_GROUP_free(test_group);

    return testresult;
}

#endif

int setup_tests(void)
{
#ifdef OPENSSL_NO_SM2
    TEST_note("SM2 is disabled.");
#else
    ADD_TEST(sm2_crypt_test);
    ADD_TEST(sm2_sig_test);
#endif
    return 1;
}
Commit	Line	Data
e14d6cf6 MC	1	/*
	2	* Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
	3	*
909f1a2e	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
e14d6cf6 MC	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
	8	*/
	9
	10	#include <stdio.h>
	11	#include <stdlib.h>
	12	#include <string.h>
	13
	14	#include <openssl/bio.h>
	15	#include <openssl/evp.h>
	16	#include <openssl/bn.h>
	17	#include <openssl/crypto.h>
	18	#include <openssl/err.h>
	19	#include <openssl/rand.h>
	20	#include "testutil.h"
	21
	22	#ifndef OPENSSL_NO_SM2
	23
	24	# include "internal/sm2.h"
	25
	26	static RAND_METHOD fake_rand;
	27	static const RAND_METHOD *saved_rand;
	28
	29	static uint8_t *fake_rand_bytes = NULL;
	30	static size_t fake_rand_bytes_offset = 0;
f73164ca	31	static size_t fake_rand_size = 0;
e14d6cf6 MC	32
	33	static int get_faked_bytes(unsigned char *buf, int num)
	34	{
	35	int i;
	36
	37	if (fake_rand_bytes == NULL)
	38	return saved_rand->bytes(buf, num);
	39
f73164ca BE	40	if (!TEST_size_t_le(fake_rand_bytes_offset + num, fake_rand_size))
	41	return 0;
	42
e14d6cf6 MC	43	for (i = 0; i != num; ++i)
	44	buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
	45	fake_rand_bytes_offset += num;
	46	return 1;
	47	}
	48
	49	static int start_fake_rand(const char *hex_bytes)
	50	{
	51	/* save old rand method */
	52	if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
	53	return 0;
	54
	55	fake_rand = *saved_rand;
	56	/* use own random function */
	57	fake_rand.bytes = get_faked_bytes;
	58
	59	fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
	60	fake_rand_bytes_offset = 0;
f73164ca	61	fake_rand_size = strlen(hex_bytes) / 2;
e14d6cf6 MC	62
	63	/* set new RAND_METHOD */
	64	if (!TEST_true(RAND_set_rand_method(&fake_rand)))
	65	return 0;
	66	return 1;
	67	}
	68
	69	static int restore_rand(void)
	70	{
	71	OPENSSL_free(fake_rand_bytes);
	72	fake_rand_bytes = NULL;
	73	fake_rand_bytes_offset = 0;
	74	if (!TEST_true(RAND_set_rand_method(saved_rand)))
	75	return 0;
	76	return 1;
	77	}
	78
	79	static EC_GROUP create_EC_group(const char p_hex, const char *a_hex,
	80	const char b_hex, const char x_hex,
	81	const char y_hex, const char order_hex,
	82	const char *cof_hex)
	83	{
	84	BIGNUM *p = NULL;
	85	BIGNUM *a = NULL;
	86	BIGNUM *b = NULL;
	87	BIGNUM *g_x = NULL;
	88	BIGNUM *g_y = NULL;
	89	BIGNUM *order = NULL;
	90	BIGNUM *cof = NULL;
	91	EC_POINT *generator = NULL;
	92	EC_GROUP *group = NULL;
	93	int ok = 0;
	94
	95	if (!TEST_true(BN_hex2bn(&p, p_hex))
	96	\|\| !TEST_true(BN_hex2bn(&a, a_hex))
	97	\|\| !TEST_true(BN_hex2bn(&b, b_hex)))
	98	goto done;
	99
	100	group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
	101	if (!TEST_ptr(group))
	102	goto done;
	103
	104	generator = EC_POINT_new(group);
	105	if (!TEST_ptr(generator))
	106	goto done;
	107
	108	if (!TEST_true(BN_hex2bn(&g_x, x_hex))
	109	\|\| !TEST_true(BN_hex2bn(&g_y, y_hex))
9cc570d4 MC	110	\|\| !TEST_true(EC_POINT_set_affine_coordinates(group, generator, g_x,
9cc570d4 MC	111	g_y, NULL)))
e14d6cf6 MC	112	goto done;
	113
	114	if (!TEST_true(BN_hex2bn(&order, order_hex))
	115	\|\| !TEST_true(BN_hex2bn(&cof, cof_hex))
	116	\|\| !TEST_true(EC_GROUP_set_generator(group, generator, order, cof)))
	117	goto done;
	118
	119	ok = 1;
	120	done:
	121	BN_free(p);
	122	BN_free(a);
	123	BN_free(b);
	124	BN_free(g_x);
	125	BN_free(g_y);
	126	EC_POINT_free(generator);
	127	BN_free(order);
	128	BN_free(cof);
	129	if (!ok) {
	130	EC_GROUP_free(group);
	131	group = NULL;
	132	}
	133
	134	return group;
	135	}
	136
	137	static int test_sm2_crypt(const EC_GROUP *group,
	138	const EVP_MD *digest,
	139	const char *privkey_hex,
	140	const char *message,
	141	const char k_hex, const char ctext_hex)
	142	{
	143	const size_t msg_len = strlen(message);
	144	BIGNUM *priv = NULL;
	145	EC_KEY *key = NULL;
	146	EC_POINT *pt = NULL;
	147	unsigned char *expected = OPENSSL_hexstr2buf(ctext_hex, NULL);
	148	size_t ctext_len = 0;
	149	size_t ptext_len = 0;
	150	uint8_t *ctext = NULL;
	151	uint8_t *recovered = NULL;
	152	size_t recovered_len = msg_len;
	153	int rc = 0;
	154
	155	if (!TEST_ptr(expected)
	156	\|\| !TEST_true(BN_hex2bn(&priv, privkey_hex)))
	157	goto done;
	158
	159	key = EC_KEY_new();
	160	if (!TEST_ptr(key)
	161	\|\| !TEST_true(EC_KEY_set_group(key, group))
	162	\|\| !TEST_true(EC_KEY_set_private_key(key, priv)))
	163	goto done;
	164
	165	pt = EC_POINT_new(group);
	166	if (!TEST_ptr(pt)
	167	\|\| !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
	168	\|\| !TEST_true(EC_KEY_set_public_key(key, pt))
2167239a	169	\|\| !TEST_true(sm2_ciphertext_size(key, digest, msg_len, &ctext_len)))
e14d6cf6 MC	170	goto done;
	171
	172	ctext = OPENSSL_zalloc(ctext_len);
	173	if (!TEST_ptr(ctext))
	174	goto done;
	175
	176	start_fake_rand(k_hex);
2167239a	177	if (!TEST_true(sm2_encrypt(key, digest, (const uint8_t *)message, msg_len,
f73164ca BE	178	ctext, &ctext_len))
f73164ca BE	179	\|\| !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
e14d6cf6 MC	180	restore_rand();
	181	goto done;
	182	}
	183	restore_rand();
	184
	185	if (!TEST_mem_eq(ctext, ctext_len, expected, ctext_len))
	186	goto done;
	187
2167239a	188	if (!TEST_true(sm2_plaintext_size(key, digest, ctext_len, &ptext_len))
e14d6cf6 MC	189	\|\| !TEST_int_eq(ptext_len, msg_len))
	190	goto done;
	191
	192	recovered = OPENSSL_zalloc(ptext_len);
	193	if (!TEST_ptr(recovered)
2167239a	194	\|\| !TEST_true(sm2_decrypt(key, digest, ctext, ctext_len, recovered, &recovered_len))
e14d6cf6 MC	195	\|\| !TEST_int_eq(recovered_len, msg_len)
	196	\|\| !TEST_mem_eq(recovered, recovered_len, message, msg_len))
	197	goto done;
	198
	199	rc = 1;
	200	done:
	201	BN_free(priv);
	202	EC_POINT_free(pt);
	203	OPENSSL_free(ctext);
	204	OPENSSL_free(recovered);
	205	OPENSSL_free(expected);
	206	EC_KEY_free(key);
	207	return rc;
	208	}
	209
	210	static int sm2_crypt_test(void)
	211	{
09fb65d5	212	int testresult = 0;
e14d6cf6 MC	213	EC_GROUP *test_group =
	214	create_EC_group
	215	("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
	216	"787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
	217	"63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
	218	"421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
	219	"0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
	220	"8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
	221	"1");
	222
	223	if (!TEST_ptr(test_group))
	224	goto done;
	225
	226	if (!test_sm2_crypt(
	227	test_group,
	228	EVP_sm3(),
	229	"1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
	230	"encryption standard",
f73164ca BE	231	"004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
	232	"0092e8ff62146873c258557548500ab2df2a365e0609ab67640a1f6d57d7b17820"
	233	"008349312695a3e1d2f46905f39a766487f2432e95d6be0cb009fe8c69fd8825a7",
e14d6cf6 MC	234	"307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
	235	"7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
	236	"4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
	237	"285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467"))
	238	goto done;
	239
	240	/* Same test as above except using SHA-256 instead of SM3 */
	241	if (!test_sm2_crypt(
	242	test_group,
	243	EVP_sha256(),
	244	"1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
	245	"encryption standard",
f73164ca BE	246	"004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
	247	"003da18008784352192d70f22c26c243174a447ba272fec64163dd4742bae8bc98"
	248	"00df17605cf304e9dd1dfeb90c015e93b393a6f046792f790a6fa4228af67d9588",
e14d6cf6 MC	249	"307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F"
	250	"6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84"
	251	"400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E9"
	252	"88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
	253	goto done;
	254
	255	testresult = 1;
	256	done:
	257	EC_GROUP_free(test_group);
	258
	259	return testresult;
	260	}
	261
	262	static int test_sm2_sign(const EC_GROUP *group,
	263	const char *userid,
	264	const char *privkey_hex,
	265	const char *message,
	266	const char *k_hex,
	267	const char *r_hex,
	268	const char *s_hex)
	269	{
	270	const size_t msg_len = strlen(message);
	271	int ok = 0;
	272	BIGNUM *priv = NULL;
	273	EC_POINT *pt = NULL;
	274	EC_KEY *key = NULL;
	275	ECDSA_SIG *sig = NULL;
	276	const BIGNUM *sig_r = NULL;
	277	const BIGNUM *sig_s = NULL;
	278	BIGNUM *r = NULL;
	279	BIGNUM *s = NULL;
	280
	281	if (!TEST_true(BN_hex2bn(&priv, privkey_hex)))
	282	goto done;
	283
	284	key = EC_KEY_new();
	285	if (!TEST_ptr(key)
	286	\|\| !TEST_true(EC_KEY_set_group(key, group))
	287	\|\| !TEST_true(EC_KEY_set_private_key(key, priv)))
	288	goto done;
	289
	290	pt = EC_POINT_new(group);
	291	if (!TEST_ptr(pt)
	292	\|\| !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
	293	\|\| !TEST_true(EC_KEY_set_public_key(key, pt)))
	294	goto done;
	295
	296	start_fake_rand(k_hex);
00433bad PY	297	sig = sm2_do_sign(key, EVP_sm3(), (const uint8_t *)userid, strlen(userid),
00433bad PY	298	(const uint8_t *)message, msg_len);
f73164ca BE	299	if (!TEST_ptr(sig)
	300	\|\| !TEST_size_t_eq(fake_rand_bytes_offset, fake_rand_size)) {
	301	restore_rand();
e14d6cf6	302	goto done;
f73164ca BE	303	}
f73164ca BE	304	restore_rand();
e14d6cf6 MC	305
	306	ECDSA_SIG_get0(sig, &sig_r, &sig_s);
	307
	308	if (!TEST_true(BN_hex2bn(&r, r_hex))
	309	\|\| !TEST_true(BN_hex2bn(&s, s_hex))
	310	\|\| !TEST_BN_eq(r, sig_r)
	311	\|\| !TEST_BN_eq(s, sig_s))
	312	goto done;
	313
00433bad PY	314	ok = sm2_do_verify(key, EVP_sm3(), sig, (const uint8_t *)userid,
00433bad PY	315	strlen(userid), (const uint8_t *)message, msg_len);
e14d6cf6 MC	316
	317	/* We goto done whether this passes or fails */
	318	TEST_true(ok);
	319
	320	done:
	321	ECDSA_SIG_free(sig);
	322	EC_POINT_free(pt);
	323	EC_KEY_free(key);
	324	BN_free(priv);
	325	BN_free(r);
	326	BN_free(s);
	327
	328	return ok;
	329	}
	330
	331	static int sm2_sig_test(void)
	332	{
	333	int testresult = 0;
	334	/* From draft-shen-sm2-ecdsa-02 */
	335	EC_GROUP *test_group =
	336	create_EC_group
	337	("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
	338	"787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
	339	"63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
	340	"421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
	341	"0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
	342	"8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
	343	"1");
	344
	345	if (!TEST_ptr(test_group))
	346	goto done;
	347
	348	if (!TEST_true(test_sm2_sign(
	349	test_group,
	350	"ALICE123@YAHOO.COM",
	351	"128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
	352	"message digest",
f73164ca BE	353	"006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F"
f73164ca BE	354	"007c47811054c6f99613a578eb8453706ccb96384fe7df5c171671e760bfa8be3a",
e14d6cf6 MC	355	"40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
	356	"6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
	357	goto done;
	358
	359	testresult = 1;
	360
	361	done:
	362	EC_GROUP_free(test_group);
	363
	364	return testresult;
	365	}
	366
	367	#endif
	368
	369	int setup_tests(void)
	370	{
	371	#ifdef OPENSSL_NO_SM2
	372	TEST_note("SM2 is disabled.");
	373	#else
	374	ADD_TEST(sm2_crypt_test);
	375	ADD_TEST(sm2_sig_test);
	376	#endif
	377	return 1;
	378	}