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git.ipfire.org Git - thirdparty/openssl.git/blob - test/sm2_internal_test.c
2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
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
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>
22 #ifndef OPENSSL_NO_SM2
24 # include "internal/sm2.h"
26 static RAND_METHOD fake_rand
;
27 static const RAND_METHOD
*saved_rand
;
29 static uint8_t *fake_rand_bytes
= NULL
;
30 static size_t fake_rand_bytes_offset
= 0;
31 static size_t fake_rand_size
= 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 if (!TEST_size_t_le(fake_rand_bytes_offset
+ num
, fake_rand_size
))
43 for (i
= 0; i
!= num
; ++i
)
44 buf
[i
] = fake_rand_bytes
[fake_rand_bytes_offset
+ i
];
45 fake_rand_bytes_offset
+= num
;
49 static int start_fake_rand(const char *hex_bytes
)
51 /* save old rand method */
52 if (!TEST_ptr(saved_rand
= RAND_get_rand_method()))
55 fake_rand
= *saved_rand
;
56 /* use own random function */
57 fake_rand
.bytes
= get_faked_bytes
;
59 fake_rand_bytes
= OPENSSL_hexstr2buf(hex_bytes
, NULL
);
60 fake_rand_bytes_offset
= 0;
61 fake_rand_size
= strlen(hex_bytes
) / 2;
63 /* set new RAND_METHOD */
64 if (!TEST_true(RAND_set_rand_method(&fake_rand
)))
69 static int restore_rand(void)
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
)))
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
,
91 EC_POINT
*generator
= NULL
;
92 EC_GROUP
*group
= NULL
;
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
)))
100 group
= EC_GROUP_new_curve_GFp(p
, a
, b
, NULL
);
101 if (!TEST_ptr(group
))
104 generator
= EC_POINT_new(group
);
105 if (!TEST_ptr(generator
))
108 if (!TEST_true(BN_hex2bn(&g_x
, x_hex
))
109 || !TEST_true(BN_hex2bn(&g_y
, y_hex
))
110 || !TEST_true(EC_POINT_set_affine_coordinates(group
, generator
, g_x
,
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
)))
126 EC_POINT_free(generator
);
130 EC_GROUP_free(group
);
137 static int test_sm2_crypt(const EC_GROUP
*group
,
138 const EVP_MD
*digest
,
139 const char *privkey_hex
,
141 const char *k_hex
, const char *ctext_hex
)
143 const size_t msg_len
= strlen(message
);
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
;
155 if (!TEST_ptr(expected
)
156 || !TEST_true(BN_hex2bn(&priv
, privkey_hex
)))
161 || !TEST_true(EC_KEY_set_group(key
, group
))
162 || !TEST_true(EC_KEY_set_private_key(key
, priv
)))
165 pt
= EC_POINT_new(group
);
167 || !TEST_true(EC_POINT_mul(group
, pt
, priv
, NULL
, NULL
, NULL
))
168 || !TEST_true(EC_KEY_set_public_key(key
, pt
))
169 || !TEST_true(sm2_ciphertext_size(key
, digest
, msg_len
, &ctext_len
)))
172 ctext
= OPENSSL_zalloc(ctext_len
);
173 if (!TEST_ptr(ctext
))
176 start_fake_rand(k_hex
);
177 if (!TEST_true(sm2_encrypt(key
, digest
, (const uint8_t *)message
, msg_len
,
179 || !TEST_size_t_eq(fake_rand_bytes_offset
, fake_rand_size
)) {
185 if (!TEST_mem_eq(ctext
, ctext_len
, expected
, ctext_len
))
188 if (!TEST_true(sm2_plaintext_size(key
, digest
, ctext_len
, &ptext_len
))
189 || !TEST_int_eq(ptext_len
, msg_len
))
192 recovered
= OPENSSL_zalloc(ptext_len
);
193 if (!TEST_ptr(recovered
)
194 || !TEST_true(sm2_decrypt(key
, digest
, ctext
, ctext_len
, recovered
, &recovered_len
))
195 || !TEST_int_eq(recovered_len
, msg_len
)
196 || !TEST_mem_eq(recovered
, recovered_len
, message
, msg_len
))
204 OPENSSL_free(recovered
);
205 OPENSSL_free(expected
);
210 static int sm2_crypt_test(void)
213 EC_GROUP
*test_group
=
215 ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
216 "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
217 "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
218 "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
219 "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
220 "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
223 if (!TEST_ptr(test_group
))
229 "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
230 "encryption standard",
231 "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
232 "0092e8ff62146873c258557548500ab2df2a365e0609ab67640a1f6d57d7b17820"
233 "008349312695a3e1d2f46905f39a766487f2432e95d6be0cb009fe8c69fd8825a7",
234 "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
235 "7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
236 "4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
237 "285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467"))
240 /* Same test as above except using SHA-256 instead of SM3 */
244 "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
245 "encryption standard",
246 "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F"
247 "003da18008784352192d70f22c26c243174a447ba272fec64163dd4742bae8bc98"
248 "00df17605cf304e9dd1dfeb90c015e93b393a6f046792f790a6fa4228af67d9588",
249 "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F"
250 "6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84"
251 "400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E9"
252 "88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
257 EC_GROUP_free(test_group
);
262 static int test_sm2_sign(const EC_GROUP
*group
,
264 const char *privkey_hex
,
270 const size_t msg_len
= strlen(message
);
275 ECDSA_SIG
*sig
= NULL
;
276 const BIGNUM
*sig_r
= NULL
;
277 const BIGNUM
*sig_s
= NULL
;
281 if (!TEST_true(BN_hex2bn(&priv
, privkey_hex
)))
286 || !TEST_true(EC_KEY_set_group(key
, group
))
287 || !TEST_true(EC_KEY_set_private_key(key
, priv
)))
290 pt
= EC_POINT_new(group
);
292 || !TEST_true(EC_POINT_mul(group
, pt
, priv
, NULL
, NULL
, NULL
))
293 || !TEST_true(EC_KEY_set_public_key(key
, pt
)))
296 start_fake_rand(k_hex
);
297 sig
= sm2_do_sign(key
, EVP_sm3(), (const uint8_t *)userid
, strlen(userid
),
298 (const uint8_t *)message
, msg_len
);
300 || !TEST_size_t_eq(fake_rand_bytes_offset
, fake_rand_size
)) {
306 ECDSA_SIG_get0(sig
, &sig_r
, &sig_s
);
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
))
314 ok
= sm2_do_verify(key
, EVP_sm3(), sig
, (const uint8_t *)userid
,
315 strlen(userid
), (const uint8_t *)message
, msg_len
);
317 /* We goto done whether this passes or fails */
331 static int sm2_sig_test(void)
334 /* From draft-shen-sm2-ecdsa-02 */
335 EC_GROUP
*test_group
=
337 ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
338 "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
339 "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
340 "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
341 "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
342 "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
345 if (!TEST_ptr(test_group
))
348 if (!TEST_true(test_sm2_sign(
350 "ALICE123@YAHOO.COM",
351 "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
353 "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F"
354 "007c47811054c6f99613a578eb8453706ccb96384fe7df5c171671e760bfa8be3a",
355 "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
356 "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
362 EC_GROUP_free(test_group
);
369 int setup_tests(void)
371 #ifdef OPENSSL_NO_SM2
372 TEST_note("SM2 is disabled.");
374 ADD_TEST(sm2_crypt_test
);
375 ADD_TEST(sm2_sig_test
);