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Fix enable-ssl3 enable-ssl3-method
[thirdparty/openssl.git] / test / sm2_internal_test.c
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1/*
2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
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
26static RAND_METHOD fake_rand;
27static const RAND_METHOD *saved_rand;
28
29static uint8_t *fake_rand_bytes = NULL;
30static size_t fake_rand_bytes_offset = 0;
31
32static int get_faked_bytes(unsigned char *buf, int num)
33{
34 int i;
35
36 if (fake_rand_bytes == NULL)
37 return saved_rand->bytes(buf, num);
38
39 for (i = 0; i != num; ++i)
40 buf[i] = fake_rand_bytes[fake_rand_bytes_offset + i];
41 fake_rand_bytes_offset += num;
42 return 1;
43}
44
45static int start_fake_rand(const char *hex_bytes)
46{
47 /* save old rand method */
48 if (!TEST_ptr(saved_rand = RAND_get_rand_method()))
49 return 0;
50
51 fake_rand = *saved_rand;
52 /* use own random function */
53 fake_rand.bytes = get_faked_bytes;
54
55 fake_rand_bytes = OPENSSL_hexstr2buf(hex_bytes, NULL);
56 fake_rand_bytes_offset = 0;
57
58 /* set new RAND_METHOD */
59 if (!TEST_true(RAND_set_rand_method(&fake_rand)))
60 return 0;
61 return 1;
62}
63
64static int restore_rand(void)
65{
66 OPENSSL_free(fake_rand_bytes);
67 fake_rand_bytes = NULL;
68 fake_rand_bytes_offset = 0;
69 if (!TEST_true(RAND_set_rand_method(saved_rand)))
70 return 0;
71 return 1;
72}
73
74static EC_GROUP *create_EC_group(const char *p_hex, const char *a_hex,
75 const char *b_hex, const char *x_hex,
76 const char *y_hex, const char *order_hex,
77 const char *cof_hex)
78{
79 BIGNUM *p = NULL;
80 BIGNUM *a = NULL;
81 BIGNUM *b = NULL;
82 BIGNUM *g_x = NULL;
83 BIGNUM *g_y = NULL;
84 BIGNUM *order = NULL;
85 BIGNUM *cof = NULL;
86 EC_POINT *generator = NULL;
87 EC_GROUP *group = NULL;
88 int ok = 0;
89
90 if (!TEST_true(BN_hex2bn(&p, p_hex))
91 || !TEST_true(BN_hex2bn(&a, a_hex))
92 || !TEST_true(BN_hex2bn(&b, b_hex)))
93 goto done;
94
95 group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
96 if (!TEST_ptr(group))
97 goto done;
98
99 generator = EC_POINT_new(group);
100 if (!TEST_ptr(generator))
101 goto done;
102
103 if (!TEST_true(BN_hex2bn(&g_x, x_hex))
104 || !TEST_true(BN_hex2bn(&g_y, y_hex))
105 || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, generator,
106 g_x, g_y, NULL)))
107 goto done;
108
109 if (!TEST_true(BN_hex2bn(&order, order_hex))
110 || !TEST_true(BN_hex2bn(&cof, cof_hex))
111 || !TEST_true(EC_GROUP_set_generator(group, generator, order, cof)))
112 goto done;
113
114 ok = 1;
115done:
116 BN_free(p);
117 BN_free(a);
118 BN_free(b);
119 BN_free(g_x);
120 BN_free(g_y);
121 EC_POINT_free(generator);
122 BN_free(order);
123 BN_free(cof);
124 if (!ok) {
125 EC_GROUP_free(group);
126 group = NULL;
127 }
128
129 return group;
130}
131
132static int test_sm2_crypt(const EC_GROUP *group,
133 const EVP_MD *digest,
134 const char *privkey_hex,
135 const char *message,
136 const char *k_hex, const char *ctext_hex)
137{
138 const size_t msg_len = strlen(message);
139 BIGNUM *priv = NULL;
140 EC_KEY *key = NULL;
141 EC_POINT *pt = NULL;
142 unsigned char *expected = OPENSSL_hexstr2buf(ctext_hex, NULL);
143 size_t ctext_len = 0;
144 size_t ptext_len = 0;
145 uint8_t *ctext = NULL;
146 uint8_t *recovered = NULL;
147 size_t recovered_len = msg_len;
148 int rc = 0;
149
150 if (!TEST_ptr(expected)
151 || !TEST_true(BN_hex2bn(&priv, privkey_hex)))
152 goto done;
153
154 key = EC_KEY_new();
155 if (!TEST_ptr(key)
156 || !TEST_true(EC_KEY_set_group(key, group))
157 || !TEST_true(EC_KEY_set_private_key(key, priv)))
158 goto done;
159
160 pt = EC_POINT_new(group);
161 if (!TEST_ptr(pt)
162 || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
163 || !TEST_true(EC_KEY_set_public_key(key, pt))
2167239a 164 || !TEST_true(sm2_ciphertext_size(key, digest, msg_len, &ctext_len)))
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165 goto done;
166
167 ctext = OPENSSL_zalloc(ctext_len);
168 if (!TEST_ptr(ctext))
169 goto done;
170
171 start_fake_rand(k_hex);
2167239a 172 if (!TEST_true(sm2_encrypt(key, digest, (const uint8_t *)message, msg_len,
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173 ctext, &ctext_len))) {
174 restore_rand();
175 goto done;
176 }
177 restore_rand();
178
179 if (!TEST_mem_eq(ctext, ctext_len, expected, ctext_len))
180 goto done;
181
2167239a 182 if (!TEST_true(sm2_plaintext_size(key, digest, ctext_len, &ptext_len))
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183 || !TEST_int_eq(ptext_len, msg_len))
184 goto done;
185
186 recovered = OPENSSL_zalloc(ptext_len);
187 if (!TEST_ptr(recovered)
2167239a 188 || !TEST_true(sm2_decrypt(key, digest, ctext, ctext_len, recovered, &recovered_len))
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189 || !TEST_int_eq(recovered_len, msg_len)
190 || !TEST_mem_eq(recovered, recovered_len, message, msg_len))
191 goto done;
192
193 rc = 1;
194 done:
195 BN_free(priv);
196 EC_POINT_free(pt);
197 OPENSSL_free(ctext);
198 OPENSSL_free(recovered);
199 OPENSSL_free(expected);
200 EC_KEY_free(key);
201 return rc;
202}
203
204static int sm2_crypt_test(void)
205{
206 int testresult = 1;
207 EC_GROUP *test_group =
208 create_EC_group
209 ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
210 "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
211 "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
212 "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
213 "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
214 "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
215 "1");
216
217 if (!TEST_ptr(test_group))
218 goto done;
219
220 if (!test_sm2_crypt(
221 test_group,
222 EVP_sm3(),
223 "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
224 "encryption standard",
225 "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
226 "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF1"
227 "7F6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A2"
228 "4B84400F01B804209C3D7360C30156FAB7C80A0276712DA9D8094A634B766D3A"
229 "285E07480653426D0413650053A89B41C418B0C3AAD00D886C00286467"))
230 goto done;
231
232 /* Same test as above except using SHA-256 instead of SM3 */
233 if (!test_sm2_crypt(
234 test_group,
235 EVP_sha256(),
236 "1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0",
237 "encryption standard",
238 "004C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F",
239 "307B0220245C26FB68B1DDDDB12C4B6BF9F2B6D5FE60A383B0D18D1C4144ABF17F"
240 "6252E7022076CB9264C2A7E88E52B19903FDC47378F605E36811F5C07423A24B84"
241 "400F01B80420BE89139D07853100EFA763F60CBE30099EA3DF7F8F364F9D10A5E9"
242 "88E3C5AAFC0413229E6C9AEE2BB92CAD649FE2C035689785DA33"))
243 goto done;
244
245 testresult = 1;
246 done:
247 EC_GROUP_free(test_group);
248
249 return testresult;
250}
251
252static int test_sm2_sign(const EC_GROUP *group,
253 const char *userid,
254 const char *privkey_hex,
255 const char *message,
256 const char *k_hex,
257 const char *r_hex,
258 const char *s_hex)
259{
260 const size_t msg_len = strlen(message);
261 int ok = 0;
262 BIGNUM *priv = NULL;
263 EC_POINT *pt = NULL;
264 EC_KEY *key = NULL;
265 ECDSA_SIG *sig = NULL;
266 const BIGNUM *sig_r = NULL;
267 const BIGNUM *sig_s = NULL;
268 BIGNUM *r = NULL;
269 BIGNUM *s = NULL;
270
271 if (!TEST_true(BN_hex2bn(&priv, privkey_hex)))
272 goto done;
273
274 key = EC_KEY_new();
275 if (!TEST_ptr(key)
276 || !TEST_true(EC_KEY_set_group(key, group))
277 || !TEST_true(EC_KEY_set_private_key(key, priv)))
278 goto done;
279
280 pt = EC_POINT_new(group);
281 if (!TEST_ptr(pt)
282 || !TEST_true(EC_POINT_mul(group, pt, priv, NULL, NULL, NULL))
283 || !TEST_true(EC_KEY_set_public_key(key, pt)))
284 goto done;
285
286 start_fake_rand(k_hex);
2167239a 287 sig = sm2_do_sign(key, EVP_sm3(), userid, (const uint8_t *)message, msg_len);
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288 restore_rand();
289
290 if (!TEST_ptr(sig))
291 goto done;
292
293 ECDSA_SIG_get0(sig, &sig_r, &sig_s);
294
295 if (!TEST_true(BN_hex2bn(&r, r_hex))
296 || !TEST_true(BN_hex2bn(&s, s_hex))
297 || !TEST_BN_eq(r, sig_r)
298 || !TEST_BN_eq(s, sig_s))
299 goto done;
300
2167239a 301 ok = sm2_do_verify(key, EVP_sm3(), sig, userid, (const uint8_t *)message,
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302 msg_len);
303
304 /* We goto done whether this passes or fails */
305 TEST_true(ok);
306
307 done:
308 ECDSA_SIG_free(sig);
309 EC_POINT_free(pt);
310 EC_KEY_free(key);
311 BN_free(priv);
312 BN_free(r);
313 BN_free(s);
314
315 return ok;
316}
317
318static int sm2_sig_test(void)
319{
320 int testresult = 0;
321 /* From draft-shen-sm2-ecdsa-02 */
322 EC_GROUP *test_group =
323 create_EC_group
324 ("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
325 "787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
326 "63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
327 "421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
328 "0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2",
329 "8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
330 "1");
331
332 if (!TEST_ptr(test_group))
333 goto done;
334
335 if (!TEST_true(test_sm2_sign(
336 test_group,
337 "ALICE123@YAHOO.COM",
338 "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263",
339 "message digest",
340 "006CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F",
341 "40F1EC59F793D9F49E09DCEF49130D4194F79FB1EED2CAA55BACDB49C4E755D1",
342 "6FC6DAC32C5D5CF10C77DFB20F7C2EB667A457872FB09EC56327A67EC7DEEBE7")))
343 goto done;
344
345 testresult = 1;
346
347 done:
348 EC_GROUP_free(test_group);
349
350 return testresult;
351}
352
353#endif
354
355int setup_tests(void)
356{
357#ifdef OPENSSL_NO_SM2
358 TEST_note("SM2 is disabled.");
359#else
360 ADD_TEST(sm2_crypt_test);
361 ADD_TEST(sm2_sig_test);
362#endif
363 return 1;
364}