1 /*
2 * Copyright 2022-2026 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 #define OPENSSL_SUPPRESS_DEPRECATED /* EVP_PKEY_get1/set1_RSA */
11
12 #include <openssl/x509.h>
13 #include <openssl/asn1.h>
14 #include <openssl/evp.h>
15 #include <openssl/rsa.h>
16 #include <openssl/pem.h>
17 #include "crypto/x509.h" /* x509_st definition */
18 #include "testutil.h"
19
20 static EVP_PKEY *pubkey = NULL;
21 static EVP_PKEY *privkey = NULL;
22 static EVP_MD *signmd = NULL;
23
24 /* EC key pair used for signing */
25 static const unsigned char privkeydata[] = {
26 0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x7d, 0x2b, 0xfe, 0x5c, 0xcb, 0xcb, 0x27, 0xd6, 0x28,
27 0xfe, 0x98, 0x34, 0x84, 0x4a, 0x13, 0x6f, 0x70, 0xc4, 0x1a, 0x0b, 0xfc, 0xde, 0xb0, 0xb2, 0x32,
28 0xb1, 0xdd, 0x4f, 0x0e, 0xbc, 0xdf, 0x89, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d,
29 0x03, 0x01, 0x07, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xbf, 0x82, 0xd9, 0xc9, 0x4b, 0x19, 0x43,
30 0x45, 0x6b, 0xd4, 0x50, 0x64, 0x9b, 0xd5, 0x8d, 0x5a, 0xd9, 0xdc, 0xc9, 0x24, 0x23, 0x7a, 0x3b,
31 0x48, 0x23, 0xe2, 0x2a, 0x24, 0xf2, 0x9c, 0x6f, 0x87, 0xd0, 0xc4, 0x0f, 0xcc, 0x7e, 0x7c, 0x8d,
32 0xfc, 0x08, 0x46, 0x37, 0x85, 0x4f, 0x5b, 0x3a, 0x0b, 0x97, 0xd7, 0x57, 0x2a, 0x5a, 0x6b, 0x7a,
33 0x0b, 0xe4, 0xe8, 0x9c, 0x4a, 0xbb, 0xbf, 0x09, 0x4d
34 };
35
36 static const unsigned char pubkeydata[] = {
37 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a,
38 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0xbf, 0x82, 0xd9, 0xc9, 0x4b,
39 0x19, 0x43, 0x45, 0x6b, 0xd4, 0x50, 0x64, 0x9b, 0xd5, 0x8d, 0x5a, 0xd9, 0xdc, 0xc9, 0x24, 0x23,
40 0x7a, 0x3b, 0x48, 0x23, 0xe2, 0x2a, 0x24, 0xf2, 0x9c, 0x6f, 0x87, 0xd0, 0xc4, 0x0f, 0xcc, 0x7e,
41 0x7c, 0x8d, 0xfc, 0x08, 0x46, 0x37, 0x85, 0x4f, 0x5b, 0x3a, 0x0b, 0x97, 0xd7, 0x57, 0x2a, 0x5a,
42 0x6b, 0x7a, 0x0b, 0xe4, 0xe8, 0x9c, 0x4a, 0xbb, 0xbf, 0x09, 0x4d
43 };
44
45 /* Self signed cert using ECDSA-SHA256 with the keypair listed above */
46 static const unsigned char certdata[] = {
47 0x30, 0x82, 0x01, 0x86, 0x30, 0x82, 0x01, 0x2d, 0x02, 0x14, 0x75, 0xd6, 0x04, 0xd2, 0x80, 0x61,
48 0xd3, 0x32, 0xbc, 0xae, 0x38, 0x58, 0xfe, 0x12, 0x42, 0x81, 0x7a, 0xdd, 0x0b, 0x99, 0x30, 0x0a,
49 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09,
50 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55,
51 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21,
52 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
53 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20, 0x50, 0x74, 0x79, 0x20, 0x4c, 0x74,
54 0x64, 0x30, 0x20, 0x17, 0x0d, 0x32, 0x32, 0x31, 0x30, 0x31, 0x32, 0x30, 0x37, 0x32, 0x37, 0x35,
55 0x35, 0x5a, 0x18, 0x0f, 0x32, 0x30, 0x35, 0x30, 0x30, 0x32, 0x32, 0x37, 0x30, 0x37, 0x32, 0x37,
56 0x35, 0x35, 0x5a, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
57 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d,
58 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a,
59 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69,
60 0x74, 0x73, 0x20, 0x50, 0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07,
61 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01,
62 0x07, 0x03, 0x42, 0x00, 0x04, 0xbf, 0x82, 0xd9, 0xc9, 0x4b, 0x19, 0x43, 0x45, 0x6b, 0xd4, 0x50,
63 0x64, 0x9b, 0xd5, 0x8d, 0x5a, 0xd9, 0xdc, 0xc9, 0x24, 0x23, 0x7a, 0x3b, 0x48, 0x23, 0xe2, 0x2a,
64 0x24, 0xf2, 0x9c, 0x6f, 0x87, 0xd0, 0xc4, 0x0f, 0xcc, 0x7e, 0x7c, 0x8d, 0xfc, 0x08, 0x46, 0x37,
65 0x85, 0x4f, 0x5b, 0x3a, 0x0b, 0x97, 0xd7, 0x57, 0x2a, 0x5a, 0x6b, 0x7a, 0x0b, 0xe4, 0xe8, 0x9c,
66 0x4a, 0xbb, 0xbf, 0x09, 0x4d, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03,
67 0x02, 0x03, 0x47, 0x00, 0x30, 0x44, 0x02, 0x20, 0x5f, 0x45, 0x7f, 0xa4, 0x6a, 0x03, 0xfd, 0xe7,
68 0xf3, 0x42, 0x43, 0x38, 0x5b, 0x81, 0x08, 0x1a, 0x47, 0x8e, 0x59, 0x3a, 0x28, 0x5b, 0x97, 0x67,
69 0x47, 0x66, 0x2a, 0x16, 0xf5, 0xce, 0xf5, 0x92, 0x02, 0x20, 0x22, 0x0e, 0xab, 0x35, 0xdf, 0x49,
70 0xb1, 0x86, 0xa3, 0x3b, 0x26, 0xda, 0x7e, 0x8b, 0x44, 0x45, 0xc6, 0x46, 0x14, 0x04, 0x22, 0x2b,
71 0xe5, 0x2a, 0x62, 0x84, 0xc5, 0x94, 0xa0, 0x1b, 0xaa, 0xa9
72 };
73
74 /* Some simple CRL data */
75 static const unsigned char crldata[] = {
76 0x30, 0x81, 0x8B, 0x30, 0x31, 0x02, 0x01, 0x01, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE,
77 0x3D, 0x04, 0x03, 0x02, 0x05, 0x00, 0x30, 0x0F, 0x31, 0x0D, 0x30, 0x0B, 0x06, 0x03, 0x55, 0x04,
78 0x03, 0x0C, 0x04, 0x54, 0x65, 0x73, 0x74, 0x17, 0x0D, 0x32, 0x32, 0x31, 0x30, 0x31, 0x32, 0x30,
79 0x35, 0x33, 0x34, 0x30, 0x31, 0x5A, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04,
80 0x03, 0x02, 0x05, 0x00, 0x03, 0x48, 0x00, 0x30, 0x45, 0x02, 0x20, 0x75, 0xAC, 0xA9, 0xB5, 0xFE,
81 0x63, 0x09, 0x8B, 0x57, 0x4F, 0xBB, 0xC6, 0x0C, 0xA9, 0x9A, 0x7C, 0x55, 0x89, 0xF9, 0x9C, 0x48,
82 0xE9, 0xF3, 0xED, 0xE5, 0xC2, 0x88, 0xCE, 0xEC, 0xB1, 0x51, 0xF1, 0x02, 0x21, 0x00, 0x8B, 0x93,
83 0xC5, 0xA6, 0x28, 0x48, 0x5A, 0x4E, 0x10, 0x52, 0x82, 0x12, 0x2F, 0xC4, 0x62, 0x2D, 0x3F, 0x5A,
84 0x62, 0x7F, 0x9D, 0x1B, 0x12, 0xC5, 0x36, 0x25, 0x73, 0x03, 0xF4, 0xDE, 0x62, 0x24
85 };
86
87 /*
88 * Test for Regression discussed in PR #19388
89 * In order for this simple test to fail, it requires the digest used for
90 * signing to be different from the alg within the loaded cert.
91 */
test_x509_tbs_cache(void)92 static int test_x509_tbs_cache(void)
93 {
94 int ret;
95 X509 *x = NULL;
96 const unsigned char *p = certdata;
97
98 ret = TEST_ptr(x = d2i_X509(NULL, &p, sizeof(certdata)))
99 && TEST_int_gt(X509_sign(x, privkey, signmd), 0)
100 && TEST_int_eq(X509_verify(x, pubkey), 1);
101 X509_free(x);
102 return ret;
103 }
104
test_x509_verify_with_new(void)105 static int test_x509_verify_with_new(void)
106 {
107 int ret;
108 EVP_PKEY *pkey = NULL;
109 X509 *x = NULL;
110
111 ret = TEST_ptr(x = X509_new())
112 && TEST_ptr(pkey = EVP_PKEY_new())
113 && TEST_int_eq(X509_verify(x, pkey), -1)
114 && TEST_int_eq(X509_verify(x, pubkey), -1);
115 X509_free(x);
116 EVP_PKEY_free(pkey);
117 return ret;
118 }
119
120 /*
121 * Test for Regression discussed in PR #19388
122 * In order for this simple test to fail, it requires the digest used for
123 * signing to be different from the alg within the loaded cert.
124 */
test_x509_crl_tbs_cache(void)125 static int test_x509_crl_tbs_cache(void)
126 {
127 int ret;
128 X509_CRL *crl = NULL;
129 const unsigned char *p = crldata;
130
131 ret = TEST_ptr(crl = d2i_X509_CRL(NULL, &p, sizeof(crldata)))
132 && TEST_int_gt(X509_CRL_sign(crl, privkey, signmd), 0)
133 && TEST_int_eq(X509_CRL_verify(crl, pubkey), 1);
134
135 X509_CRL_free(crl);
136 return ret;
137 }
138
test_asn1_item_verify(void)139 static int test_asn1_item_verify(void)
140 {
141 int ret = 0;
142 BIO *bio = NULL;
143 X509 *x509 = NULL;
144 const char *certfile;
145 const ASN1_BIT_STRING *sig = NULL;
146 const X509_ALGOR *alg = NULL;
147 EVP_PKEY *pkey;
148 #ifndef OPENSSL_NO_DEPRECATED_3_0
149 RSA *rsa = NULL;
150 #endif
151
152 if (!TEST_ptr(certfile = test_get_argument(0))
153 || !TEST_ptr(bio = BIO_new_file(certfile, "r"))
154 || !TEST_ptr(x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL))
155 || !TEST_ptr(pkey = X509_get0_pubkey(x509)))
156 goto err;
157
158 #ifndef OPENSSL_NO_DEPRECATED_3_0
159 /* Issue #24575 requires legacy key but the test is useful anyway */
160 if (!TEST_ptr(rsa = EVP_PKEY_get1_RSA(pkey)))
161 goto err;
162
163 if (!TEST_int_gt(EVP_PKEY_set1_RSA(pkey, rsa), 0))
164 goto err;
165 #endif
166
167 X509_get0_signature(&sig, &alg, x509);
168
169 if (!TEST_int_gt(ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF),
170 (X509_ALGOR *)alg, (ASN1_BIT_STRING *)sig,
171 &x509->cert_info, pkey),
172 0))
173 goto err;
174
175 ERR_set_mark();
176 if (!TEST_int_lt(ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF),
177 (X509_ALGOR *)alg, (ASN1_BIT_STRING *)sig,
178 NULL, pkey),
179 0)) {
180 ERR_clear_last_mark();
181 goto err;
182 }
183 ERR_pop_to_mark();
184
185 ret = 1;
186
187 err:
188 #ifndef OPENSSL_NO_DEPRECATED_3_0
189 RSA_free(rsa);
190 #endif
191 X509_free(x509);
192 BIO_free(bio);
193 return ret;
194 }
195
test_x509_delete_last_extension(void)196 static int test_x509_delete_last_extension(void)
197 {
198 int ret = 0;
199 X509 *x509 = NULL;
200 X509_EXTENSION *ext = NULL;
201 ASN1_OBJECT *obj = NULL;
202
203 if (!TEST_ptr((x509 = X509_new()))
204 /* Initially, there are no extensions and thus no extension list. */
205 || !TEST_ptr_null(X509_get0_extensions(x509))
206 /* Add an extension. */
207 || !TEST_ptr((ext = X509_EXTENSION_new()))
208 || !TEST_ptr((obj = OBJ_nid2obj(NID_subject_key_identifier)))
209 || !TEST_int_eq(X509_EXTENSION_set_object(ext, obj), 1)
210 || !TEST_int_eq(X509_add_ext(x509, ext, -1), 1)
211 /* There should now be an extension list. */
212 || !TEST_ptr(X509_get0_extensions(x509))
213 || !TEST_int_eq(sk_X509_EXTENSION_num(X509_get0_extensions(x509)), 1))
214 goto err;
215
216 /* Delete the extension. */
217 X509_EXTENSION_free(X509_delete_ext(x509, 0));
218
219 /* The extension list should be NULL again. */
220 if (!TEST_ptr_null(X509_get0_extensions(x509)))
221 goto err;
222
223 ret = 1;
224
225 err:
226 X509_free(x509);
227 X509_EXTENSION_free(ext);
228 return ret;
229 }
230
test_x509_crl_delete_last_extension(void)231 static int test_x509_crl_delete_last_extension(void)
232 {
233 int ret = 0;
234 X509_CRL *crl = NULL;
235 X509_EXTENSION *ext = NULL;
236 ASN1_OBJECT *obj = NULL;
237
238 if (!TEST_ptr((crl = X509_CRL_new()))
239 /* Initially, there are no extensions and thus no extension list. */
240 || !TEST_ptr_null(X509_CRL_get0_extensions(crl))
241 /* Add an extension. */
242 || !TEST_ptr((ext = X509_EXTENSION_new()))
243 || !TEST_ptr((obj = OBJ_nid2obj(NID_subject_key_identifier)))
244 || !TEST_int_eq(X509_EXTENSION_set_object(ext, obj), 1)
245 || !TEST_int_eq(X509_CRL_add_ext(crl, ext, -1), 1)
246 /* There should now be an extension list. */
247 || !TEST_ptr(X509_CRL_get0_extensions(crl))
248 || !TEST_int_eq(sk_X509_EXTENSION_num(X509_CRL_get0_extensions(crl)),
249 1))
250 goto err;
251
252 /* Delete the extension. */
253 X509_EXTENSION_free(X509_CRL_delete_ext(crl, 0));
254
255 /* The extension list should be NULL again. */
256 if (!TEST_ptr_null(X509_CRL_get0_extensions(crl)))
257 goto err;
258
259 ret = 1;
260
261 err:
262 X509_CRL_free(crl);
263 X509_EXTENSION_free(ext);
264 return ret;
265 }
266
test_x509_revoked_delete_last_extension(void)267 static int test_x509_revoked_delete_last_extension(void)
268 {
269 int ret = 0;
270 X509_REVOKED *rev = NULL;
271 X509_EXTENSION *ext = NULL;
272 ASN1_OBJECT *obj = NULL;
273
274 if (!TEST_ptr((rev = X509_REVOKED_new()))
275 /* Initially, there are no extensions and thus no extension list. */
276 || !TEST_ptr_null(X509_REVOKED_get0_extensions(rev))
277 /* Add an extension. */
278 || !TEST_ptr((ext = X509_EXTENSION_new()))
279 || !TEST_ptr((obj = OBJ_nid2obj(NID_subject_key_identifier)))
280 || !TEST_int_eq(X509_EXTENSION_set_object(ext, obj), 1)
281 || !TEST_int_eq(X509_REVOKED_add_ext(rev, ext, -1), 1)
282 /* There should now be an extension list. */
283 || !TEST_ptr(X509_REVOKED_get0_extensions(rev))
284 || !TEST_int_eq(sk_X509_EXTENSION_num(X509_REVOKED_get0_extensions(rev)), 1))
285 goto err;
286
287 /* Delete the extension. */
288 X509_EXTENSION_free(X509_REVOKED_delete_ext(rev, 0));
289
290 /* The extension list should be NULL again. */
291 if (!TEST_ptr_null(X509_REVOKED_get0_extensions(rev)))
292 goto err;
293
294 ret = 1;
295
296 err:
297 X509_REVOKED_free(rev);
298 X509_EXTENSION_free(ext);
299 return ret;
300 }
301
302 OPT_TEST_DECLARE_USAGE("<pss-self-signed-cert.pem>\n")
303
setup_tests(void)304 int setup_tests(void)
305 {
306 const unsigned char *p;
307 int cnt;
308
309 cnt = test_get_argument_count();
310 if (cnt != 1) {
311 TEST_error("Must specify a certificate file self-signed with RSA-PSS.\n");
312 return 0;
313 }
314
315 p = pubkeydata;
316 pubkey = d2i_PUBKEY(NULL, &p, sizeof(pubkeydata));
317
318 p = privkeydata;
319 privkey = d2i_PrivateKey(EVP_PKEY_EC, NULL, &p, sizeof(privkeydata));
320
321 if (pubkey == NULL || privkey == NULL) {
322 BIO_printf(bio_err, "Failed to create keys\n");
323 return 0;
324 }
325
326 /* Note this digest is different from the certificate digest */
327 signmd = EVP_MD_fetch(NULL, "SHA384", NULL);
328 if (signmd == NULL) {
329 BIO_printf(bio_err, "Failed to fetch digest\n");
330 return 0;
331 }
332
333 ADD_TEST(test_x509_tbs_cache);
334 ADD_TEST(test_x509_crl_tbs_cache);
335 ADD_TEST(test_asn1_item_verify);
336 ADD_TEST(test_x509_delete_last_extension);
337 ADD_TEST(test_x509_crl_delete_last_extension);
338 ADD_TEST(test_x509_revoked_delete_last_extension);
339 ADD_TEST(test_x509_verify_with_new);
340 return 1;
341 }
342
cleanup_tests(void)343 void cleanup_tests(void)
344 {
345 EVP_MD_free(signmd);
346 EVP_PKEY_free(pubkey);
347 EVP_PKEY_free(privkey);
348 }
349