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Commit | Line | Data |
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b1322259 | 1 | /* |
4333b89f | 2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
3e4b43b9 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
f41ac0ee P |
10 | /* |
11 | * DSA low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
d02b48c6 | 16 | #include <stdio.h> |
b39fc560 | 17 | #include "internal/cryptlib.h" |
9d6b1ce6 | 18 | #include <openssl/asn1t.h> |
f0e8ae72 | 19 | #include <openssl/x509.h> |
25f2138b DMSP |
20 | #include "crypto/asn1.h" |
21 | #include "crypto/evp.h" | |
22 | #include "crypto/x509.h" | |
3c27208f RS |
23 | #include <openssl/rsa.h> |
24 | #include <openssl/dsa.h> | |
10315851 | 25 | #include <openssl/decoder.h> |
ece9304c | 26 | #include <openssl/encoder.h> |
97bb8dff | 27 | #include "internal/provider.h" |
10315851 | 28 | #include "internal/sizes.h" |
d02b48c6 | 29 | |
29fa0a1a DSH |
30 | struct X509_pubkey_st { |
31 | X509_ALGOR *algor; | |
32 | ASN1_BIT_STRING *public_key; | |
10315851 | 33 | |
29fa0a1a | 34 | EVP_PKEY *pkey; |
22b81444 RL |
35 | |
36 | /* extra data for the callback, used by d2i_PUBKEY_ex */ | |
b4250010 | 37 | OSSL_LIB_CTX *libctx; |
637dce3c | 38 | char *propq; |
10315851 RL |
39 | |
40 | /* Flag to force legacy keys */ | |
41 | unsigned int flag_force_legacy : 1; | |
29fa0a1a DSH |
42 | }; |
43 | ||
7674e923 | 44 | static int x509_pubkey_decode(EVP_PKEY **pk, const X509_PUBKEY *key); |
fa0a9d71 | 45 | |
637dce3c SL |
46 | static int x509_pubkey_set0_libctx(X509_PUBKEY *x, OSSL_LIB_CTX *libctx, |
47 | const char *propq) | |
48 | { | |
49 | if (x != NULL) { | |
50 | x->libctx = libctx; | |
51 | OPENSSL_free(x->propq); | |
52 | x->propq = NULL; | |
53 | if (propq != NULL) { | |
54 | x->propq = OPENSSL_strdup(propq); | |
55 | if (x->propq == NULL) | |
56 | return 0; | |
57 | } | |
58 | } | |
59 | return 1; | |
60 | } | |
61 | ||
10315851 RL |
62 | ASN1_SEQUENCE(X509_PUBKEY_INTERNAL) = { |
63 | ASN1_SIMPLE(X509_PUBKEY, algor, X509_ALGOR), | |
64 | ASN1_SIMPLE(X509_PUBKEY, public_key, ASN1_BIT_STRING) | |
65 | } static_ASN1_SEQUENCE_END_name(X509_PUBKEY, X509_PUBKEY_INTERNAL) | |
66 | ||
67 | static void x509_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | |
0f113f3e | 68 | { |
66066e1b DDO |
69 | X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; |
70 | ||
10315851 RL |
71 | X509_ALGOR_free(pubkey->algor); |
72 | ASN1_BIT_STRING_free(pubkey->public_key); | |
73 | EVP_PKEY_free(pubkey->pkey); | |
c8a9af97 | 74 | OPENSSL_free(pubkey->propq); |
10315851 RL |
75 | OPENSSL_free(pubkey); |
76 | *pval = NULL; | |
77 | } | |
78 | ||
79 | static int x509_pubkey_ex_populate(ASN1_VALUE **pval, const ASN1_ITEM *it) | |
80 | { | |
81 | X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; | |
82 | ||
83 | return (pubkey->algor != NULL | |
84 | || (pubkey->algor = X509_ALGOR_new()) != NULL) | |
85 | && (pubkey->public_key != NULL | |
86 | || (pubkey->public_key = ASN1_BIT_STRING_new()) != NULL); | |
87 | } | |
88 | ||
c8a9af97 MC |
89 | |
90 | static int x509_pubkey_ex_new_ex(ASN1_VALUE **pval, const ASN1_ITEM *it, | |
91 | OSSL_LIB_CTX *libctx, const char *propq) | |
10315851 RL |
92 | { |
93 | X509_PUBKEY *ret; | |
94 | ||
95 | if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL | |
c8a9af97 MC |
96 | || !x509_pubkey_ex_populate((ASN1_VALUE **)&ret, NULL) |
97 | || !x509_pubkey_set0_libctx(ret, libctx, propq)) { | |
10315851 RL |
98 | x509_pubkey_ex_free((ASN1_VALUE **)&ret, NULL); |
99 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
100 | } else { | |
101 | *pval = (ASN1_VALUE *)ret; | |
102 | } | |
103 | ||
104 | return ret != NULL; | |
105 | } | |
106 | ||
c6313780 MC |
107 | static int x509_pubkey_ex_d2i_ex(ASN1_VALUE **pval, |
108 | const unsigned char **in, long len, | |
109 | const ASN1_ITEM *it, int tag, int aclass, | |
110 | char opt, ASN1_TLC *ctx, OSSL_LIB_CTX *libctx, | |
111 | const char *propq) | |
10315851 RL |
112 | { |
113 | const unsigned char *in_saved = *in; | |
2b049e93 | 114 | size_t publen; |
10315851 RL |
115 | X509_PUBKEY *pubkey; |
116 | int ret; | |
117 | OSSL_DECODER_CTX *dctx = NULL; | |
2b049e93 | 118 | unsigned char *tmpbuf = NULL; |
10315851 | 119 | |
c6313780 | 120 | if (*pval == NULL && !x509_pubkey_ex_new_ex(pval, it, libctx, propq)) |
10315851 RL |
121 | return 0; |
122 | if (!x509_pubkey_ex_populate(pval, NULL)) { | |
123 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | /* This ensures that |*in| advances properly no matter what */ | |
128 | if ((ret = ASN1_item_ex_d2i(pval, in, len, | |
129 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
130 | tag, aclass, opt, ctx)) <= 0) | |
131 | return ret; | |
132 | ||
2b049e93 MC |
133 | publen = *in - in_saved; |
134 | if (!ossl_assert(publen > 0)) { | |
135 | ERR_raise(ERR_LIB_ASN1, ERR_R_INTERNAL_ERROR); | |
136 | return 0; | |
137 | } | |
138 | ||
10315851 RL |
139 | pubkey = (X509_PUBKEY *)*pval; |
140 | EVP_PKEY_free(pubkey->pkey); | |
141 | pubkey->pkey = NULL; | |
142 | ||
143 | /* | |
144 | * Opportunistically decode the key but remove any non fatal errors | |
145 | * from the queue. Subsequent explicit attempts to decode/use the key | |
146 | * will return an appropriate error. | |
147 | */ | |
148 | ERR_set_mark(); | |
149 | ||
150 | /* | |
151 | * Try to decode with legacy method first. This ensures that engines | |
152 | * aren't overriden by providers. | |
153 | */ | |
154 | if ((ret = x509_pubkey_decode(&pubkey->pkey, pubkey)) == -1) { | |
155 | /* -1 indicates a fatal error, like malloc failure */ | |
156 | ERR_clear_last_mark(); | |
157 | goto end; | |
158 | } | |
159 | ||
160 | /* Try to decode it into an EVP_PKEY with OSSL_DECODER */ | |
161 | if (ret <= 0 && !pubkey->flag_force_legacy) { | |
2b049e93 | 162 | const unsigned char *p; |
10315851 | 163 | char txtoidname[OSSL_MAX_NAME_SIZE]; |
f8da1d80 | 164 | size_t slen = publen; |
10315851 | 165 | |
2b049e93 MC |
166 | /* |
167 | * The decoders don't know how to handle anything other than Universal | |
168 | * class so we modify the data accordingly. | |
169 | */ | |
170 | if (aclass != V_ASN1_UNIVERSAL) { | |
171 | tmpbuf = OPENSSL_memdup(in_saved, publen); | |
172 | if (tmpbuf == NULL) { | |
173 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
174 | return 0; | |
175 | } | |
176 | in_saved = tmpbuf; | |
177 | *tmpbuf = V_ASN1_CONSTRUCTED | V_ASN1_SEQUENCE; | |
178 | } | |
179 | p = in_saved; | |
180 | ||
10315851 RL |
181 | if (OBJ_obj2txt(txtoidname, sizeof(txtoidname), |
182 | pubkey->algor->algorithm, 0) <= 0) { | |
66066e1b | 183 | ERR_clear_last_mark(); |
10315851 | 184 | goto end; |
66066e1b | 185 | } |
10315851 RL |
186 | if ((dctx = |
187 | OSSL_DECODER_CTX_new_for_pkey(&pubkey->pkey, | |
188 | "DER", "SubjectPublicKeyInfo", | |
189 | txtoidname, EVP_PKEY_PUBLIC_KEY, | |
190 | pubkey->libctx, | |
191 | pubkey->propq)) != NULL) | |
192 | /* | |
193 | * As said higher up, we're being opportunistic. In other words, | |
f8da1d80 | 194 | * we don't care if we fail. |
10315851 | 195 | */ |
f8da1d80 MC |
196 | if (OSSL_DECODER_from_data(dctx, &p, &slen)) { |
197 | if (slen != 0) { | |
198 | /* | |
199 | * If we successfully decoded then we *must* consume all the | |
200 | * bytes. | |
201 | */ | |
202 | ERR_clear_last_mark(); | |
203 | ERR_raise(ERR_LIB_ASN1, EVP_R_DECODE_ERROR); | |
204 | goto end; | |
205 | } | |
206 | } | |
0f113f3e | 207 | } |
10315851 RL |
208 | |
209 | ERR_pop_to_mark(); | |
210 | ret = 1; | |
211 | end: | |
212 | OSSL_DECODER_CTX_free(dctx); | |
2b049e93 | 213 | OPENSSL_free(tmpbuf); |
10315851 | 214 | return ret; |
0f113f3e | 215 | } |
d02b48c6 | 216 | |
10315851 RL |
217 | static int x509_pubkey_ex_i2d(const ASN1_VALUE **pval, unsigned char **out, |
218 | const ASN1_ITEM *it, int tag, int aclass) | |
219 | { | |
220 | return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
221 | tag, aclass); | |
222 | } | |
223 | ||
224 | static int x509_pubkey_ex_print(BIO *out, const ASN1_VALUE **pval, int indent, | |
225 | const char *fname, const ASN1_PCTX *pctx) | |
226 | { | |
227 | return ASN1_item_print(out, *pval, indent, | |
228 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), pctx); | |
229 | } | |
230 | ||
231 | static const ASN1_EXTERN_FUNCS x509_pubkey_ff = { | |
232 | NULL, | |
c8a9af97 | 233 | NULL, |
10315851 RL |
234 | x509_pubkey_ex_free, |
235 | 0, /* Default clear behaviour is OK */ | |
c6313780 | 236 | NULL, |
10315851 | 237 | x509_pubkey_ex_i2d, |
c8a9af97 MC |
238 | x509_pubkey_ex_print, |
239 | x509_pubkey_ex_new_ex, | |
c6313780 | 240 | x509_pubkey_ex_d2i_ex, |
10315851 | 241 | }; |
d02b48c6 | 242 | |
10315851 | 243 | IMPLEMENT_EXTERN_ASN1(X509_PUBKEY, V_ASN1_SEQUENCE, x509_pubkey_ff) |
9d6b1ce6 | 244 | IMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY) |
10315851 | 245 | |
d6ded941 MC |
246 | X509_PUBKEY *X509_PUBKEY_new_ex(OSSL_LIB_CTX *libctx, const char *propq) |
247 | { | |
248 | X509_PUBKEY *pubkey = NULL; | |
249 | ||
c8a9af97 | 250 | pubkey = (X509_PUBKEY *)ASN1_item_new_ex(X509_PUBKEY_it(), libctx, propq); |
d6ded941 MC |
251 | if (!x509_pubkey_set0_libctx(pubkey, libctx, propq)) { |
252 | X509_PUBKEY_free(pubkey); | |
253 | pubkey = NULL; | |
254 | } | |
255 | return pubkey; | |
256 | } | |
257 | ||
10315851 RL |
258 | /* |
259 | * X509_PUBKEY_dup() must be implemented manually, because there is no | |
260 | * support for it in ASN1_EXTERN_FUNCS. | |
261 | */ | |
262 | X509_PUBKEY *X509_PUBKEY_dup(const X509_PUBKEY *a) | |
263 | { | |
e7aa284e P |
264 | X509_PUBKEY *pubkey = OPENSSL_zalloc(sizeof(*pubkey)); |
265 | ||
266 | if (pubkey == NULL | |
267 | || !x509_pubkey_set0_libctx(pubkey, a->libctx, a->propq) | |
268 | || (pubkey->algor = X509_ALGOR_dup(a->algor)) == NULL | |
269 | || (pubkey->public_key = ASN1_BIT_STRING_new()) == NULL | |
270 | || !ASN1_BIT_STRING_set(pubkey->public_key, | |
271 | a->public_key->data, a->public_key->length) | |
272 | || (a->pkey != NULL && !EVP_PKEY_up_ref(a->pkey))) { | |
10315851 RL |
273 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, |
274 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
275 | ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE); | |
276 | return NULL; | |
277 | } | |
10315851 RL |
278 | pubkey->pkey = a->pkey; |
279 | return pubkey; | |
280 | } | |
d02b48c6 | 281 | |
6b691a5c | 282 | int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey) |
0f113f3e MC |
283 | { |
284 | X509_PUBKEY *pk = NULL; | |
285 | ||
7836f949 DDO |
286 | if (x == NULL || pkey == NULL) { |
287 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
26a7d938 | 288 | return 0; |
7836f949 | 289 | } |
0f113f3e | 290 | |
e56ba0e1 RL |
291 | if (pkey->ameth != NULL) { |
292 | if ((pk = X509_PUBKEY_new()) == NULL) { | |
9311d0c4 | 293 | ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE); |
e56ba0e1 RL |
294 | goto error; |
295 | } | |
296 | if (pkey->ameth->pub_encode != NULL) { | |
0f113f3e | 297 | if (!pkey->ameth->pub_encode(pk, pkey)) { |
9311d0c4 | 298 | ERR_raise(ERR_LIB_X509, X509_R_PUBLIC_KEY_ENCODE_ERROR); |
0f113f3e MC |
299 | goto error; |
300 | } | |
301 | } else { | |
9311d0c4 | 302 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
303 | goto error; |
304 | } | |
113adc1f | 305 | } else if (evp_pkey_is_provided(pkey)) { |
113adc1f RL |
306 | unsigned char *der = NULL; |
307 | size_t derlen = 0; | |
ece9304c | 308 | OSSL_ENCODER_CTX *ectx = |
fe75766c TM |
309 | OSSL_ENCODER_CTX_new_for_pkey(pkey, EVP_PKEY_PUBLIC_KEY, |
310 | "DER", "SubjectPublicKeyInfo", | |
311 | NULL); | |
e56ba0e1 | 312 | |
113adc1f RL |
313 | if (OSSL_ENCODER_to_data(ectx, &der, &derlen)) { |
314 | const unsigned char *pder = der; | |
e56ba0e1 | 315 | |
113adc1f | 316 | pk = d2i_X509_PUBKEY(NULL, &pder, (long)derlen); |
e56ba0e1 RL |
317 | } |
318 | ||
ece9304c | 319 | OSSL_ENCODER_CTX_free(ectx); |
113adc1f | 320 | OPENSSL_free(der); |
0f113f3e MC |
321 | } |
322 | ||
7836f949 DDO |
323 | if (pk == NULL) { |
324 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); | |
325 | goto error; | |
326 | } | |
e56ba0e1 | 327 | |
222561fe | 328 | X509_PUBKEY_free(*x); |
e56ba0e1 | 329 | if (!EVP_PKEY_up_ref(pkey)) { |
9311d0c4 | 330 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e56ba0e1 RL |
331 | goto error; |
332 | } | |
0f113f3e | 333 | *x = pk; |
a076951b RL |
334 | |
335 | /* | |
336 | * pk->pkey is NULL when using the legacy routine, but is non-NULL when | |
ece9304c | 337 | * going through the encoder, and for all intents and purposes, it's |
0d5bbaaa MC |
338 | * a perfect copy of the public key portions of |pkey|, just not the same |
339 | * instance. If that's all there was to pkey then we could simply return | |
340 | * early, right here. However, some application might very well depend on | |
341 | * the passed |pkey| being used and none other, so we spend a few more | |
342 | * cycles throwing away the newly created |pk->pkey| and replace it with | |
343 | * |pkey|. | |
a076951b RL |
344 | */ |
345 | if (pk->pkey != NULL) | |
346 | EVP_PKEY_free(pk->pkey); | |
347 | ||
fa0a9d71 | 348 | pk->pkey = pkey; |
e56ba0e1 RL |
349 | return 1; |
350 | ||
0f113f3e | 351 | error: |
222561fe | 352 | X509_PUBKEY_free(pk); |
0f113f3e MC |
353 | return 0; |
354 | } | |
d02b48c6 | 355 | |
fa0a9d71 DSH |
356 | /* |
357 | * Attempt to decode a public key. | |
358 | * Returns 1 on success, 0 for a decode failure and -1 for a fatal | |
359 | * error e.g. malloc failure. | |
10315851 RL |
360 | * |
361 | * This function is #legacy. | |
fa0a9d71 | 362 | */ |
7674e923 | 363 | static int x509_pubkey_decode(EVP_PKEY **ppkey, const X509_PUBKEY *key) |
7fcdbd83 | 364 | { |
fa0a9d71 | 365 | EVP_PKEY *pkey = EVP_PKEY_new(); |
0f113f3e | 366 | |
fa0a9d71 | 367 | if (pkey == NULL) { |
9311d0c4 | 368 | ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE); |
fa0a9d71 | 369 | return -1; |
0f113f3e MC |
370 | } |
371 | ||
fa0a9d71 | 372 | if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(key->algor->algorithm))) { |
9311d0c4 | 373 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); |
0f113f3e MC |
374 | goto error; |
375 | } | |
376 | ||
fa0a9d71 DSH |
377 | if (pkey->ameth->pub_decode) { |
378 | /* | |
379 | * Treat any failure of pub_decode as a decode error. In | |
380 | * future we could have different return codes for decode | |
381 | * errors and fatal errors such as malloc failure. | |
382 | */ | |
66066e1b | 383 | if (!pkey->ameth->pub_decode(pkey, key)) |
0f113f3e | 384 | goto error; |
0f113f3e | 385 | } else { |
9311d0c4 | 386 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
387 | goto error; |
388 | } | |
389 | ||
fa0a9d71 DSH |
390 | *ppkey = pkey; |
391 | return 1; | |
0f113f3e MC |
392 | |
393 | error: | |
fa0a9d71 DSH |
394 | EVP_PKEY_free(pkey); |
395 | return 0; | |
396 | } | |
397 | ||
7674e923 | 398 | EVP_PKEY *X509_PUBKEY_get0(const X509_PUBKEY *key) |
fa0a9d71 DSH |
399 | { |
400 | EVP_PKEY *ret = NULL; | |
401 | ||
402 | if (key == NULL || key->public_key == NULL) | |
403 | return NULL; | |
404 | ||
405 | if (key->pkey != NULL) | |
406 | return key->pkey; | |
407 | ||
408 | /* | |
409 | * When the key ASN.1 is initially parsed an attempt is made to | |
410 | * decode the public key and cache the EVP_PKEY structure. If this | |
411 | * operation fails the cached value will be NULL. Parsing continues | |
412 | * to allow parsing of unknown key types or unsupported forms. | |
413 | * We repeat the decode operation so the appropriate errors are left | |
414 | * in the queue. | |
415 | */ | |
416 | x509_pubkey_decode(&ret, key); | |
417 | /* If decode doesn't fail something bad happened */ | |
418 | if (ret != NULL) { | |
9311d0c4 | 419 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
fa0a9d71 DSH |
420 | EVP_PKEY_free(ret); |
421 | } | |
422 | ||
423 | return NULL; | |
0f113f3e MC |
424 | } |
425 | ||
7674e923 | 426 | EVP_PKEY *X509_PUBKEY_get(const X509_PUBKEY *key) |
c01ff880 DSH |
427 | { |
428 | EVP_PKEY *ret = X509_PUBKEY_get0(key); | |
e9e7b5df BE |
429 | |
430 | if (ret != NULL && !EVP_PKEY_up_ref(ret)) { | |
9311d0c4 | 431 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e9e7b5df BE |
432 | ret = NULL; |
433 | } | |
c01ff880 DSH |
434 | return ret; |
435 | } | |
436 | ||
0f113f3e | 437 | /* |
22b81444 RL |
438 | * Now three pseudo ASN1 routines that take an EVP_PKEY structure and encode |
439 | * or decode as X509_PUBKEY | |
52664f50 | 440 | */ |
10315851 RL |
441 | static EVP_PKEY *d2i_PUBKEY_int(EVP_PKEY **a, |
442 | const unsigned char **pp, long length, | |
443 | OSSL_LIB_CTX *libctx, const char *propq, | |
444 | unsigned int force_legacy, | |
445 | X509_PUBKEY * | |
446 | (*d2i_x509_pubkey)(X509_PUBKEY **a, | |
447 | const unsigned char **in, | |
448 | long len)) | |
0f113f3e | 449 | { |
22b81444 RL |
450 | X509_PUBKEY *xpk, *xpk2 = NULL, **pxpk = NULL; |
451 | EVP_PKEY *pktmp = NULL; | |
a46c9789 | 452 | const unsigned char *q; |
12a765a5 | 453 | |
a46c9789 | 454 | q = *pp; |
22b81444 RL |
455 | |
456 | /* | |
457 | * If libctx or propq are non-NULL, we take advantage of the reuse | |
458 | * feature. It's not generally recommended, but is safe enough for | |
459 | * newly created structures. | |
460 | */ | |
10315851 | 461 | if (libctx != NULL || propq != NULL || force_legacy) { |
22b81444 RL |
462 | xpk2 = OPENSSL_zalloc(sizeof(*xpk2)); |
463 | if (xpk2 == NULL) { | |
464 | ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE); | |
465 | return NULL; | |
466 | } | |
637dce3c SL |
467 | if (!x509_pubkey_set0_libctx(xpk2, libctx, propq)) |
468 | goto end; | |
10315851 | 469 | xpk2->flag_force_legacy = !!force_legacy; |
22b81444 RL |
470 | pxpk = &xpk2; |
471 | } | |
10315851 | 472 | xpk = d2i_x509_pubkey(pxpk, &q, length); |
12a765a5 | 473 | if (xpk == NULL) |
22b81444 | 474 | goto end; |
0f113f3e MC |
475 | pktmp = X509_PUBKEY_get(xpk); |
476 | X509_PUBKEY_free(xpk); | |
22b81444 | 477 | xpk2 = NULL; /* We know that xpk == xpk2 */ |
12a765a5 | 478 | if (pktmp == NULL) |
22b81444 | 479 | goto end; |
a46c9789 | 480 | *pp = q; |
12a765a5 | 481 | if (a != NULL) { |
0f113f3e MC |
482 | EVP_PKEY_free(*a); |
483 | *a = pktmp; | |
484 | } | |
22b81444 RL |
485 | end: |
486 | X509_PUBKEY_free(xpk2); | |
0f113f3e MC |
487 | return pktmp; |
488 | } | |
52664f50 | 489 | |
10315851 | 490 | /* For the algorithm specific d2i functions further down */ |
aff442dc RL |
491 | static EVP_PKEY *d2i_PUBKEY_legacy(EVP_PKEY **a, |
492 | const unsigned char **pp, long length) | |
10315851 RL |
493 | { |
494 | return d2i_PUBKEY_int(a, pp, length, NULL, NULL, 1, d2i_X509_PUBKEY); | |
495 | } | |
496 | ||
497 | EVP_PKEY *d2i_PUBKEY_ex(EVP_PKEY **a, const unsigned char **pp, long length, | |
498 | OSSL_LIB_CTX *libctx, const char *propq) | |
499 | { | |
500 | return d2i_PUBKEY_int(a, pp, length, libctx, propq, 0, d2i_X509_PUBKEY); | |
501 | } | |
502 | ||
22b81444 RL |
503 | EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length) |
504 | { | |
505 | return d2i_PUBKEY_ex(a, pp, length, NULL, NULL); | |
506 | } | |
507 | ||
9fdcc21f | 508 | int i2d_PUBKEY(const EVP_PKEY *a, unsigned char **pp) |
0f113f3e | 509 | { |
9fdcc21f DO |
510 | int ret = -1; |
511 | ||
512 | if (a == NULL) | |
0f113f3e | 513 | return 0; |
cdb16632 RL |
514 | if (a->ameth != NULL) { |
515 | X509_PUBKEY *xpk = NULL; | |
516 | ||
517 | if ((xpk = X509_PUBKEY_new()) == NULL) | |
518 | return -1; | |
519 | ||
520 | /* pub_encode() only encode parameters, not the key itself */ | |
521 | if (a->ameth->pub_encode != NULL && a->ameth->pub_encode(xpk, a)) { | |
522 | xpk->pkey = (EVP_PKEY *)a; | |
523 | ret = i2d_X509_PUBKEY(xpk, pp); | |
524 | xpk->pkey = NULL; | |
525 | } | |
526 | X509_PUBKEY_free(xpk); | |
3c6ed955 | 527 | } else if (a->keymgmt != NULL) { |
ece9304c | 528 | OSSL_ENCODER_CTX *ctx = |
fe75766c TM |
529 | OSSL_ENCODER_CTX_new_for_pkey(a, EVP_PKEY_PUBLIC_KEY, |
530 | "DER", "SubjectPublicKeyInfo", | |
531 | NULL); | |
cdb16632 RL |
532 | BIO *out = BIO_new(BIO_s_mem()); |
533 | BUF_MEM *buf = NULL; | |
534 | ||
97bb8dff | 535 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0 |
cdb16632 | 536 | && out != NULL |
ece9304c | 537 | && OSSL_ENCODER_to_bio(ctx, out) |
cdb16632 RL |
538 | && BIO_get_mem_ptr(out, &buf) > 0) { |
539 | ret = buf->length; | |
540 | ||
541 | if (pp != NULL) { | |
542 | if (*pp == NULL) { | |
543 | *pp = (unsigned char *)buf->data; | |
544 | buf->length = 0; | |
545 | buf->data = NULL; | |
546 | } else { | |
547 | memcpy(*pp, buf->data, ret); | |
548 | *pp += ret; | |
549 | } | |
550 | } | |
551 | } | |
552 | BIO_free(out); | |
ece9304c | 553 | OSSL_ENCODER_CTX_free(ctx); |
cdb16632 RL |
554 | } |
555 | ||
0f113f3e MC |
556 | return ret; |
557 | } | |
558 | ||
559 | /* | |
560 | * The following are equivalents but which return RSA and DSA keys | |
52664f50 | 561 | */ |
0f113f3e MC |
562 | RSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, long length) |
563 | { | |
564 | EVP_PKEY *pkey; | |
06f67612 | 565 | RSA *key = NULL; |
0f113f3e | 566 | const unsigned char *q; |
12a765a5 | 567 | |
0f113f3e | 568 | q = *pp; |
aff442dc | 569 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 570 | if (pkey == NULL) |
0f113f3e MC |
571 | return NULL; |
572 | key = EVP_PKEY_get1_RSA(pkey); | |
573 | EVP_PKEY_free(pkey); | |
12a765a5 | 574 | if (key == NULL) |
0f113f3e MC |
575 | return NULL; |
576 | *pp = q; | |
12a765a5 | 577 | if (a != NULL) { |
0f113f3e MC |
578 | RSA_free(*a); |
579 | *a = key; | |
580 | } | |
581 | return key; | |
582 | } | |
52664f50 | 583 | |
9fdcc21f | 584 | int i2d_RSA_PUBKEY(const RSA *a, unsigned char **pp) |
0f113f3e MC |
585 | { |
586 | EVP_PKEY *pktmp; | |
587 | int ret; | |
588 | if (!a) | |
589 | return 0; | |
590 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 591 | if (pktmp == NULL) { |
9311d0c4 | 592 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); |
157997f0 | 593 | return -1; |
0f113f3e | 594 | } |
9fdcc21f | 595 | (void)EVP_PKEY_assign_RSA(pktmp, (RSA *)a); |
0f113f3e | 596 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 597 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
598 | EVP_PKEY_free(pktmp); |
599 | return ret; | |
600 | } | |
52664f50 | 601 | |
06f67612 RL |
602 | #ifndef OPENSSL_NO_DH |
603 | DH *ossl_d2i_DH_PUBKEY(DH **a, const unsigned char **pp, long length) | |
604 | { | |
605 | EVP_PKEY *pkey; | |
606 | DH *key = NULL; | |
607 | const unsigned char *q; | |
608 | ||
609 | q = *pp; | |
aff442dc | 610 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
611 | if (pkey == NULL) |
612 | return NULL; | |
ed576acd | 613 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DH) |
06f67612 RL |
614 | key = EVP_PKEY_get1_DH(pkey); |
615 | EVP_PKEY_free(pkey); | |
616 | if (key == NULL) | |
617 | return NULL; | |
618 | *pp = q; | |
619 | if (a != NULL) { | |
620 | DH_free(*a); | |
621 | *a = key; | |
622 | } | |
623 | return key; | |
624 | } | |
625 | ||
626 | int ossl_i2d_DH_PUBKEY(const DH *a, unsigned char **pp) | |
627 | { | |
628 | EVP_PKEY *pktmp; | |
629 | int ret; | |
630 | if (!a) | |
631 | return 0; | |
632 | pktmp = EVP_PKEY_new(); | |
633 | if (pktmp == NULL) { | |
634 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
635 | return -1; | |
636 | } | |
637 | (void)EVP_PKEY_assign_DH(pktmp, (DH *)a); | |
638 | ret = i2d_PUBKEY(pktmp, pp); | |
639 | pktmp->pkey.ptr = NULL; | |
640 | EVP_PKEY_free(pktmp); | |
641 | return ret; | |
642 | } | |
643 | ||
644 | DH *ossl_d2i_DHx_PUBKEY(DH **a, const unsigned char **pp, long length) | |
645 | { | |
646 | EVP_PKEY *pkey; | |
647 | DH *key = NULL; | |
648 | const unsigned char *q; | |
649 | ||
650 | q = *pp; | |
aff442dc | 651 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
652 | if (pkey == NULL) |
653 | return NULL; | |
ed576acd | 654 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DHX) |
06f67612 RL |
655 | key = EVP_PKEY_get1_DH(pkey); |
656 | EVP_PKEY_free(pkey); | |
657 | if (key == NULL) | |
658 | return NULL; | |
659 | *pp = q; | |
660 | if (a != NULL) { | |
661 | DH_free(*a); | |
662 | *a = key; | |
663 | } | |
664 | return key; | |
665 | } | |
666 | ||
667 | int ossl_i2d_DHx_PUBKEY(const DH *a, unsigned char **pp) | |
668 | { | |
669 | EVP_PKEY *pktmp; | |
670 | int ret; | |
671 | if (!a) | |
672 | return 0; | |
673 | pktmp = EVP_PKEY_new(); | |
674 | if (pktmp == NULL) { | |
675 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
676 | return -1; | |
677 | } | |
678 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_DHX, (DH *)a); | |
679 | ret = i2d_PUBKEY(pktmp, pp); | |
680 | pktmp->pkey.ptr = NULL; | |
681 | EVP_PKEY_free(pktmp); | |
682 | return ret; | |
683 | } | |
684 | #endif | |
685 | ||
cf1b7d96 | 686 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
687 | DSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) |
688 | { | |
689 | EVP_PKEY *pkey; | |
06f67612 | 690 | DSA *key = NULL; |
0f113f3e | 691 | const unsigned char *q; |
12a765a5 | 692 | |
0f113f3e | 693 | q = *pp; |
aff442dc | 694 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 695 | if (pkey == NULL) |
0f113f3e MC |
696 | return NULL; |
697 | key = EVP_PKEY_get1_DSA(pkey); | |
698 | EVP_PKEY_free(pkey); | |
12a765a5 | 699 | if (key == NULL) |
0f113f3e MC |
700 | return NULL; |
701 | *pp = q; | |
12a765a5 | 702 | if (a != NULL) { |
0f113f3e MC |
703 | DSA_free(*a); |
704 | *a = key; | |
705 | } | |
706 | return key; | |
707 | } | |
52664f50 | 708 | |
9fdcc21f | 709 | int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp) |
0f113f3e MC |
710 | { |
711 | EVP_PKEY *pktmp; | |
712 | int ret; | |
713 | if (!a) | |
714 | return 0; | |
715 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 716 | if (pktmp == NULL) { |
9311d0c4 | 717 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); |
157997f0 | 718 | return -1; |
0f113f3e | 719 | } |
9fdcc21f | 720 | (void)EVP_PKEY_assign_DSA(pktmp, (DSA *)a); |
0f113f3e | 721 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 722 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
723 | EVP_PKEY_free(pktmp); |
724 | return ret; | |
725 | } | |
4d94ae00 BM |
726 | #endif |
727 | ||
14a7cfb3 | 728 | #ifndef OPENSSL_NO_EC |
6343829a | 729 | EC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length) |
0f113f3e MC |
730 | { |
731 | EVP_PKEY *pkey; | |
06f67612 | 732 | EC_KEY *key = NULL; |
0f113f3e | 733 | const unsigned char *q; |
b4c4a2c6 | 734 | int type; |
12a765a5 | 735 | |
0f113f3e | 736 | q = *pp; |
aff442dc | 737 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 738 | if (pkey == NULL) |
26a7d938 | 739 | return NULL; |
ed576acd | 740 | type = EVP_PKEY_get_id(pkey); |
b4c4a2c6 | 741 | if (type == EVP_PKEY_EC || type == EVP_PKEY_SM2) |
06f67612 | 742 | key = EVP_PKEY_get1_EC_KEY(pkey); |
0f113f3e | 743 | EVP_PKEY_free(pkey); |
12a765a5 | 744 | if (key == NULL) |
26a7d938 | 745 | return NULL; |
0f113f3e | 746 | *pp = q; |
12a765a5 | 747 | if (a != NULL) { |
0f113f3e MC |
748 | EC_KEY_free(*a); |
749 | *a = key; | |
750 | } | |
26a7d938 | 751 | return key; |
0f113f3e | 752 | } |
4d94ae00 | 753 | |
9fdcc21f | 754 | int i2d_EC_PUBKEY(const EC_KEY *a, unsigned char **pp) |
0f113f3e MC |
755 | { |
756 | EVP_PKEY *pktmp; | |
757 | int ret; | |
12a765a5 RS |
758 | |
759 | if (a == NULL) | |
26a7d938 | 760 | return 0; |
0f113f3e | 761 | if ((pktmp = EVP_PKEY_new()) == NULL) { |
9311d0c4 | 762 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); |
157997f0 | 763 | return -1; |
0f113f3e | 764 | } |
9fdcc21f | 765 | (void)EVP_PKEY_assign_EC_KEY(pktmp, (EC_KEY *)a); |
0f113f3e | 766 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 767 | pktmp->pkey.ptr = NULL; |
0f113f3e | 768 | EVP_PKEY_free(pktmp); |
26a7d938 | 769 | return ret; |
0f113f3e | 770 | } |
06f67612 RL |
771 | |
772 | ECX_KEY *ossl_d2i_ED25519_PUBKEY(ECX_KEY **a, | |
773 | const unsigned char **pp, long length) | |
774 | { | |
775 | EVP_PKEY *pkey; | |
776 | ECX_KEY *key = NULL; | |
777 | const unsigned char *q; | |
778 | ||
779 | q = *pp; | |
aff442dc | 780 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
781 | if (pkey == NULL) |
782 | return NULL; | |
783 | key = ossl_evp_pkey_get1_ED25519(pkey); | |
784 | EVP_PKEY_free(pkey); | |
785 | if (key == NULL) | |
786 | return NULL; | |
787 | *pp = q; | |
788 | if (a != NULL) { | |
789 | ossl_ecx_key_free(*a); | |
790 | *a = key; | |
791 | } | |
792 | return key; | |
793 | } | |
794 | ||
795 | int ossl_i2d_ED25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
796 | { | |
797 | EVP_PKEY *pktmp; | |
798 | int ret; | |
799 | ||
800 | if (a == NULL) | |
801 | return 0; | |
802 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
803 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
804 | return -1; | |
805 | } | |
806 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED25519, (ECX_KEY *)a); | |
807 | ret = i2d_PUBKEY(pktmp, pp); | |
808 | pktmp->pkey.ptr = NULL; | |
809 | EVP_PKEY_free(pktmp); | |
810 | return ret; | |
811 | } | |
812 | ||
813 | ECX_KEY *ossl_d2i_ED448_PUBKEY(ECX_KEY **a, | |
814 | const unsigned char **pp, long length) | |
815 | { | |
816 | EVP_PKEY *pkey; | |
817 | ECX_KEY *key = NULL; | |
818 | const unsigned char *q; | |
819 | ||
820 | q = *pp; | |
aff442dc | 821 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
822 | if (pkey == NULL) |
823 | return NULL; | |
ed576acd | 824 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_ED448) |
06f67612 RL |
825 | key = ossl_evp_pkey_get1_ED448(pkey); |
826 | EVP_PKEY_free(pkey); | |
827 | if (key == NULL) | |
828 | return NULL; | |
829 | *pp = q; | |
830 | if (a != NULL) { | |
831 | ossl_ecx_key_free(*a); | |
832 | *a = key; | |
833 | } | |
834 | return key; | |
835 | } | |
836 | ||
837 | int ossl_i2d_ED448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
838 | { | |
839 | EVP_PKEY *pktmp; | |
840 | int ret; | |
841 | ||
842 | if (a == NULL) | |
843 | return 0; | |
844 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
845 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
846 | return -1; | |
847 | } | |
848 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED448, (ECX_KEY *)a); | |
849 | ret = i2d_PUBKEY(pktmp, pp); | |
850 | pktmp->pkey.ptr = NULL; | |
851 | EVP_PKEY_free(pktmp); | |
852 | return ret; | |
853 | } | |
854 | ||
855 | ECX_KEY *ossl_d2i_X25519_PUBKEY(ECX_KEY **a, | |
856 | const unsigned char **pp, long length) | |
857 | { | |
858 | EVP_PKEY *pkey; | |
859 | ECX_KEY *key = NULL; | |
860 | const unsigned char *q; | |
861 | ||
862 | q = *pp; | |
aff442dc | 863 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
864 | if (pkey == NULL) |
865 | return NULL; | |
ed576acd | 866 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X25519) |
06f67612 RL |
867 | key = ossl_evp_pkey_get1_X25519(pkey); |
868 | EVP_PKEY_free(pkey); | |
869 | if (key == NULL) | |
870 | return NULL; | |
871 | *pp = q; | |
872 | if (a != NULL) { | |
873 | ossl_ecx_key_free(*a); | |
874 | *a = key; | |
875 | } | |
876 | return key; | |
877 | } | |
878 | ||
879 | int ossl_i2d_X25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
880 | { | |
881 | EVP_PKEY *pktmp; | |
882 | int ret; | |
883 | ||
884 | if (a == NULL) | |
885 | return 0; | |
886 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
887 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
888 | return -1; | |
889 | } | |
890 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X25519, (ECX_KEY *)a); | |
891 | ret = i2d_PUBKEY(pktmp, pp); | |
892 | pktmp->pkey.ptr = NULL; | |
893 | EVP_PKEY_free(pktmp); | |
894 | return ret; | |
895 | } | |
896 | ||
897 | ECX_KEY *ossl_d2i_X448_PUBKEY(ECX_KEY **a, | |
898 | const unsigned char **pp, long length) | |
899 | { | |
900 | EVP_PKEY *pkey; | |
901 | ECX_KEY *key = NULL; | |
902 | const unsigned char *q; | |
903 | ||
904 | q = *pp; | |
aff442dc | 905 | pkey = d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
906 | if (pkey == NULL) |
907 | return NULL; | |
ed576acd | 908 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X448) |
06f67612 RL |
909 | key = ossl_evp_pkey_get1_X448(pkey); |
910 | EVP_PKEY_free(pkey); | |
911 | if (key == NULL) | |
912 | return NULL; | |
913 | *pp = q; | |
914 | if (a != NULL) { | |
915 | ossl_ecx_key_free(*a); | |
916 | *a = key; | |
917 | } | |
918 | return key; | |
919 | } | |
920 | ||
921 | int ossl_i2d_X448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
922 | { | |
923 | EVP_PKEY *pktmp; | |
924 | int ret; | |
925 | ||
926 | if (a == NULL) | |
927 | return 0; | |
928 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
929 | ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); | |
930 | return -1; | |
931 | } | |
932 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X448, (ECX_KEY *)a); | |
933 | ret = i2d_PUBKEY(pktmp, pp); | |
934 | pktmp->pkey.ptr = NULL; | |
935 | EVP_PKEY_free(pktmp); | |
936 | return ret; | |
937 | } | |
938 | ||
12aefe78 | 939 | #endif |
448be743 DSH |
940 | |
941 | int X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj, | |
0f113f3e MC |
942 | int ptype, void *pval, |
943 | unsigned char *penc, int penclen) | |
944 | { | |
945 | if (!X509_ALGOR_set0(pub->algor, aobj, ptype, pval)) | |
946 | return 0; | |
947 | if (penc) { | |
b548a1f1 | 948 | OPENSSL_free(pub->public_key->data); |
0f113f3e MC |
949 | pub->public_key->data = penc; |
950 | pub->public_key->length = penclen; | |
951 | /* Set number of unused bits to zero */ | |
952 | pub->public_key->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); | |
953 | pub->public_key->flags |= ASN1_STRING_FLAG_BITS_LEFT; | |
954 | } | |
955 | return 1; | |
956 | } | |
448be743 DSH |
957 | |
958 | int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, | |
0f113f3e | 959 | const unsigned char **pk, int *ppklen, |
7674e923 | 960 | X509_ALGOR **pa, const X509_PUBKEY *pub) |
0f113f3e MC |
961 | { |
962 | if (ppkalg) | |
963 | *ppkalg = pub->algor->algorithm; | |
964 | if (pk) { | |
965 | *pk = pub->public_key->data; | |
966 | *ppklen = pub->public_key->length; | |
967 | } | |
968 | if (pa) | |
969 | *pa = pub->algor; | |
970 | return 1; | |
971 | } | |
29fa0a1a DSH |
972 | |
973 | ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x) | |
974 | { | |
975 | if (x == NULL) | |
976 | return NULL; | |
977 | return x->cert_info.key->public_key; | |
978 | } | |
93f99b68 DDO |
979 | |
980 | /* Returns 1 for equal, 0, for non-equal, < 0 on error */ | |
981 | int X509_PUBKEY_eq(const X509_PUBKEY *a, const X509_PUBKEY *b) | |
982 | { | |
983 | X509_ALGOR *algA, *algB; | |
984 | EVP_PKEY *pA, *pB; | |
985 | ||
986 | if (a == b) | |
987 | return 1; | |
988 | if (a == NULL || b == NULL) | |
989 | return 0; | |
990 | if (!X509_PUBKEY_get0_param(NULL, NULL, NULL, &algA, a) || algA == NULL | |
991 | || !X509_PUBKEY_get0_param(NULL, NULL, NULL, &algB, b) || algB == NULL) | |
992 | return -2; | |
993 | if (X509_ALGOR_cmp(algA, algB) != 0) | |
994 | return 0; | |
995 | if ((pA = X509_PUBKEY_get0(a)) == NULL | |
996 | || (pB = X509_PUBKEY_get0(b)) == NULL) | |
997 | return -2; | |
c74aaa39 | 998 | return EVP_PKEY_eq(pA, pB); |
93f99b68 | 999 | } |
22b81444 | 1000 | |
4669015d SL |
1001 | int ossl_x509_PUBKEY_get0_libctx(OSSL_LIB_CTX **plibctx, const char **ppropq, |
1002 | const X509_PUBKEY *key) | |
22b81444 RL |
1003 | { |
1004 | if (plibctx) | |
1005 | *plibctx = key->libctx; | |
1006 | if (ppropq) | |
1007 | *ppropq = key->propq; | |
1008 | return 1; | |
1009 | } |