]>
git.ipfire.org Git - thirdparty/openssl.git/blob - test/sm2_sign_internal_test.c
2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 Ribose Inc. All Rights Reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
15 #include <openssl/bio.h>
16 #include <openssl/evp.h>
17 #include <openssl/bn.h>
18 #include <openssl/crypto.h>
19 #include <openssl/err.h>
20 #include <openssl/rand.h>
23 #ifndef OPENSSL_NO_SM2
25 # include "internal/sm2.h"
27 static RAND_METHOD fake_rand
;
28 static const RAND_METHOD
*saved_rand
;
30 static uint8_t *fake_rand_bytes
= NULL
;
31 static size_t fake_rand_bytes_offset
= 0;
33 static int get_faked_bytes(unsigned char *buf
, int num
)
37 if (fake_rand_bytes
== NULL
)
38 return saved_rand
->bytes(buf
, num
);
40 for (i
= 0; i
!= num
; ++i
)
41 buf
[i
] = fake_rand_bytes
[fake_rand_bytes_offset
+ i
];
42 fake_rand_bytes_offset
+= num
;
46 static int start_fake_rand(const char *hex_bytes
)
48 /* save old rand method */
49 if (!TEST_ptr(saved_rand
= RAND_get_rand_method()))
52 fake_rand
= *saved_rand
;
53 /* use own random function */
54 fake_rand
.bytes
= get_faked_bytes
;
56 fake_rand_bytes
= OPENSSL_hexstr2buf(hex_bytes
, NULL
);
57 fake_rand_bytes_offset
= 0;
59 /* set new RAND_METHOD */
60 if (!TEST_true(RAND_set_rand_method(&fake_rand
)))
65 static int restore_rand(void)
67 OPENSSL_free(fake_rand_bytes
);
68 fake_rand_bytes
= NULL
;
69 fake_rand_bytes_offset
= 0;
70 if (!TEST_true(RAND_set_rand_method(saved_rand
)))
75 static EC_GROUP
*create_EC_group(const char *p_hex
, const char *a_hex
,
76 const char *b_hex
, const char *x_hex
,
77 const char *y_hex
, const char *order_hex
,
87 EC_POINT
*generator
= NULL
;
88 EC_GROUP
*group
= NULL
;
94 group
= EC_GROUP_new_curve_GFp(p
, a
, b
, NULL
);
102 generator
= EC_POINT_new(group
);
103 if (generator
== NULL
)
106 BN_hex2bn(&g_x
, x_hex
);
107 BN_hex2bn(&g_y
, y_hex
);
109 if (EC_POINT_set_affine_coordinates_GFp(group
, generator
, g_x
, g_y
, NULL
) ==
116 BN_hex2bn(&order
, order_hex
);
117 BN_hex2bn(&cof
, cof_hex
);
119 if (EC_GROUP_set_generator(group
, generator
, order
, cof
) == 0)
122 EC_POINT_free(generator
);
130 static int test_sm2(const EC_GROUP
*group
,
132 const char *privkey_hex
,
134 const char *k_hex
, const char *r_hex
, const char *s_hex
)
136 const size_t msg_len
= strlen(message
);
141 ECDSA_SIG
*sig
= NULL
;
142 const BIGNUM
*sig_r
= NULL
;
143 const BIGNUM
*sig_s
= NULL
;
147 BN_hex2bn(&priv
, privkey_hex
);
150 EC_KEY_set_group(key
, group
);
151 EC_KEY_set_private_key(key
, priv
);
153 pt
= EC_POINT_new(group
);
154 EC_POINT_mul(group
, pt
, priv
, NULL
, NULL
, NULL
);
155 EC_KEY_set_public_key(key
, pt
);
157 start_fake_rand(k_hex
);
158 sig
= SM2_do_sign(key
, EVP_sm3(), userid
, (const uint8_t *)message
, msg_len
);
164 ECDSA_SIG_get0(sig
, &sig_r
, &sig_s
);
166 BN_hex2bn(&r
, r_hex
);
167 BN_hex2bn(&s
, s_hex
);
169 if (BN_cmp(r
, sig_r
) != 0) {
170 printf("Signature R mismatch: ");
171 BN_print_fp(stdout
, r
);
173 BN_print_fp(stdout
, sig_r
);
177 if (BN_cmp(s
, sig_s
) != 0) {
178 printf("Signature S mismatch: ");
179 BN_print_fp(stdout
, s
);
181 BN_print_fp(stdout
, sig_s
);
186 ok
= SM2_do_verify(key
, EVP_sm3(), sig
, userid
, (const uint8_t *)message
, msg_len
);
198 static int sm2_sig_test(void)
201 /* From draft-shen-sm2-ecdsa-02 */
202 EC_GROUP
*test_group
=
204 ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
205 "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
206 "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
207 "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
208 "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
209 "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
212 if (test_group
== NULL
)
215 rc
= test_sm2(test_group
,
216 "ALICE123@YAHOO.COM",
217 "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
219 "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F",
220 "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
221 "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7");
223 EC_GROUP_free(test_group
);
230 int setup_tests(void)
232 #ifdef OPENSSL_NO_SM2
233 TEST_note("SM2 is disabled.");
235 ADD_TEST(sm2_sig_test
);