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Commit | Line | Data |
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b1322259 | 1 | /* |
da1c088f | 2 | * Copyright 1995-2023 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> |
29bf83c8 | 20 | #include <openssl/engine.h> |
25f2138b DMSP |
21 | #include "crypto/asn1.h" |
22 | #include "crypto/evp.h" | |
23 | #include "crypto/x509.h" | |
3c27208f RS |
24 | #include <openssl/rsa.h> |
25 | #include <openssl/dsa.h> | |
10315851 | 26 | #include <openssl/decoder.h> |
ece9304c | 27 | #include <openssl/encoder.h> |
97bb8dff | 28 | #include "internal/provider.h" |
10315851 | 29 | #include "internal/sizes.h" |
d02b48c6 | 30 | |
29fa0a1a DSH |
31 | struct X509_pubkey_st { |
32 | X509_ALGOR *algor; | |
33 | ASN1_BIT_STRING *public_key; | |
10315851 | 34 | |
29fa0a1a | 35 | EVP_PKEY *pkey; |
22b81444 RL |
36 | |
37 | /* extra data for the callback, used by d2i_PUBKEY_ex */ | |
b4250010 | 38 | OSSL_LIB_CTX *libctx; |
637dce3c | 39 | char *propq; |
10315851 RL |
40 | |
41 | /* Flag to force legacy keys */ | |
42 | unsigned int flag_force_legacy : 1; | |
29fa0a1a DSH |
43 | }; |
44 | ||
7674e923 | 45 | static int x509_pubkey_decode(EVP_PKEY **pk, const X509_PUBKEY *key); |
fa0a9d71 | 46 | |
637dce3c SL |
47 | static int x509_pubkey_set0_libctx(X509_PUBKEY *x, OSSL_LIB_CTX *libctx, |
48 | const char *propq) | |
49 | { | |
50 | if (x != NULL) { | |
51 | x->libctx = libctx; | |
52 | OPENSSL_free(x->propq); | |
53 | x->propq = NULL; | |
54 | if (propq != NULL) { | |
55 | x->propq = OPENSSL_strdup(propq); | |
56 | if (x->propq == NULL) | |
57 | return 0; | |
58 | } | |
59 | } | |
60 | return 1; | |
61 | } | |
62 | ||
10315851 RL |
63 | ASN1_SEQUENCE(X509_PUBKEY_INTERNAL) = { |
64 | ASN1_SIMPLE(X509_PUBKEY, algor, X509_ALGOR), | |
65 | ASN1_SIMPLE(X509_PUBKEY, public_key, ASN1_BIT_STRING) | |
66 | } static_ASN1_SEQUENCE_END_name(X509_PUBKEY, X509_PUBKEY_INTERNAL) | |
67 | ||
8c7c1c84 | 68 | X509_PUBKEY *ossl_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp, |
39ed7636 | 69 | long len, OSSL_LIB_CTX *libctx, |
70 | const char *propq) | |
8c7c1c84 MC |
71 | { |
72 | X509_PUBKEY *xpub = OPENSSL_zalloc(sizeof(*xpub)); | |
73 | ||
74 | if (xpub == NULL) | |
75 | return NULL; | |
76 | return (X509_PUBKEY *)ASN1_item_d2i_ex((ASN1_VALUE **)&xpub, pp, len, | |
77 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
39ed7636 | 78 | libctx, propq); |
8c7c1c84 MC |
79 | } |
80 | ||
81 | void ossl_X509_PUBKEY_INTERNAL_free(X509_PUBKEY *xpub) | |
82 | { | |
83 | ASN1_item_free((ASN1_VALUE *)xpub, ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
84 | } | |
85 | ||
10315851 | 86 | static void x509_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
0f113f3e | 87 | { |
15025190 P |
88 | X509_PUBKEY *pubkey; |
89 | ||
90 | if (pval != NULL && (pubkey = (X509_PUBKEY *)*pval) != NULL) { | |
91 | X509_ALGOR_free(pubkey->algor); | |
92 | ASN1_BIT_STRING_free(pubkey->public_key); | |
93 | EVP_PKEY_free(pubkey->pkey); | |
94 | OPENSSL_free(pubkey->propq); | |
95 | OPENSSL_free(pubkey); | |
96 | *pval = NULL; | |
97 | } | |
10315851 RL |
98 | } |
99 | ||
100 | static int x509_pubkey_ex_populate(ASN1_VALUE **pval, const ASN1_ITEM *it) | |
101 | { | |
102 | X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; | |
103 | ||
104 | return (pubkey->algor != NULL | |
105 | || (pubkey->algor = X509_ALGOR_new()) != NULL) | |
106 | && (pubkey->public_key != NULL | |
107 | || (pubkey->public_key = ASN1_BIT_STRING_new()) != NULL); | |
108 | } | |
109 | ||
c8a9af97 MC |
110 | |
111 | static int x509_pubkey_ex_new_ex(ASN1_VALUE **pval, const ASN1_ITEM *it, | |
112 | OSSL_LIB_CTX *libctx, const char *propq) | |
10315851 RL |
113 | { |
114 | X509_PUBKEY *ret; | |
115 | ||
e077455e RL |
116 | if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) |
117 | return 0; | |
118 | if (!x509_pubkey_ex_populate((ASN1_VALUE **)&ret, NULL) | |
c8a9af97 | 119 | || !x509_pubkey_set0_libctx(ret, libctx, propq)) { |
10315851 | 120 | x509_pubkey_ex_free((ASN1_VALUE **)&ret, NULL); |
475c5bbd | 121 | ret = NULL; |
e077455e | 122 | ERR_raise(ERR_LIB_ASN1, ERR_R_X509_LIB); |
10315851 RL |
123 | } else { |
124 | *pval = (ASN1_VALUE *)ret; | |
125 | } | |
126 | ||
127 | return ret != NULL; | |
128 | } | |
129 | ||
c6313780 MC |
130 | static int x509_pubkey_ex_d2i_ex(ASN1_VALUE **pval, |
131 | const unsigned char **in, long len, | |
132 | const ASN1_ITEM *it, int tag, int aclass, | |
133 | char opt, ASN1_TLC *ctx, OSSL_LIB_CTX *libctx, | |
134 | const char *propq) | |
10315851 RL |
135 | { |
136 | const unsigned char *in_saved = *in; | |
2b049e93 | 137 | size_t publen; |
10315851 RL |
138 | X509_PUBKEY *pubkey; |
139 | int ret; | |
140 | OSSL_DECODER_CTX *dctx = NULL; | |
2b049e93 | 141 | unsigned char *tmpbuf = NULL; |
10315851 | 142 | |
c6313780 | 143 | if (*pval == NULL && !x509_pubkey_ex_new_ex(pval, it, libctx, propq)) |
10315851 RL |
144 | return 0; |
145 | if (!x509_pubkey_ex_populate(pval, NULL)) { | |
e077455e | 146 | ERR_raise(ERR_LIB_ASN1, ERR_R_X509_LIB); |
10315851 RL |
147 | return 0; |
148 | } | |
149 | ||
150 | /* This ensures that |*in| advances properly no matter what */ | |
151 | if ((ret = ASN1_item_ex_d2i(pval, in, len, | |
152 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
153 | tag, aclass, opt, ctx)) <= 0) | |
154 | return ret; | |
155 | ||
2b049e93 MC |
156 | publen = *in - in_saved; |
157 | if (!ossl_assert(publen > 0)) { | |
158 | ERR_raise(ERR_LIB_ASN1, ERR_R_INTERNAL_ERROR); | |
159 | return 0; | |
160 | } | |
161 | ||
10315851 RL |
162 | pubkey = (X509_PUBKEY *)*pval; |
163 | EVP_PKEY_free(pubkey->pkey); | |
164 | pubkey->pkey = NULL; | |
165 | ||
166 | /* | |
167 | * Opportunistically decode the key but remove any non fatal errors | |
168 | * from the queue. Subsequent explicit attempts to decode/use the key | |
169 | * will return an appropriate error. | |
170 | */ | |
171 | ERR_set_mark(); | |
172 | ||
173 | /* | |
174 | * Try to decode with legacy method first. This ensures that engines | |
e304aa87 | 175 | * aren't overridden by providers. |
10315851 RL |
176 | */ |
177 | if ((ret = x509_pubkey_decode(&pubkey->pkey, pubkey)) == -1) { | |
178 | /* -1 indicates a fatal error, like malloc failure */ | |
179 | ERR_clear_last_mark(); | |
180 | goto end; | |
181 | } | |
182 | ||
183 | /* Try to decode it into an EVP_PKEY with OSSL_DECODER */ | |
184 | if (ret <= 0 && !pubkey->flag_force_legacy) { | |
2b049e93 | 185 | const unsigned char *p; |
10315851 | 186 | char txtoidname[OSSL_MAX_NAME_SIZE]; |
f8da1d80 | 187 | size_t slen = publen; |
10315851 | 188 | |
2b049e93 MC |
189 | /* |
190 | * The decoders don't know how to handle anything other than Universal | |
191 | * class so we modify the data accordingly. | |
192 | */ | |
193 | if (aclass != V_ASN1_UNIVERSAL) { | |
194 | tmpbuf = OPENSSL_memdup(in_saved, publen); | |
e077455e | 195 | if (tmpbuf == NULL) |
2b049e93 | 196 | return 0; |
2b049e93 MC |
197 | in_saved = tmpbuf; |
198 | *tmpbuf = V_ASN1_CONSTRUCTED | V_ASN1_SEQUENCE; | |
199 | } | |
200 | p = in_saved; | |
201 | ||
10315851 RL |
202 | if (OBJ_obj2txt(txtoidname, sizeof(txtoidname), |
203 | pubkey->algor->algorithm, 0) <= 0) { | |
66066e1b | 204 | ERR_clear_last_mark(); |
10315851 | 205 | goto end; |
66066e1b | 206 | } |
10315851 RL |
207 | if ((dctx = |
208 | OSSL_DECODER_CTX_new_for_pkey(&pubkey->pkey, | |
209 | "DER", "SubjectPublicKeyInfo", | |
210 | txtoidname, EVP_PKEY_PUBLIC_KEY, | |
211 | pubkey->libctx, | |
212 | pubkey->propq)) != NULL) | |
213 | /* | |
214 | * As said higher up, we're being opportunistic. In other words, | |
f8da1d80 | 215 | * we don't care if we fail. |
10315851 | 216 | */ |
f8da1d80 MC |
217 | if (OSSL_DECODER_from_data(dctx, &p, &slen)) { |
218 | if (slen != 0) { | |
219 | /* | |
220 | * If we successfully decoded then we *must* consume all the | |
221 | * bytes. | |
222 | */ | |
223 | ERR_clear_last_mark(); | |
224 | ERR_raise(ERR_LIB_ASN1, EVP_R_DECODE_ERROR); | |
225 | goto end; | |
226 | } | |
227 | } | |
0f113f3e | 228 | } |
10315851 RL |
229 | |
230 | ERR_pop_to_mark(); | |
231 | ret = 1; | |
232 | end: | |
233 | OSSL_DECODER_CTX_free(dctx); | |
2b049e93 | 234 | OPENSSL_free(tmpbuf); |
10315851 | 235 | return ret; |
0f113f3e | 236 | } |
d02b48c6 | 237 | |
10315851 RL |
238 | static int x509_pubkey_ex_i2d(const ASN1_VALUE **pval, unsigned char **out, |
239 | const ASN1_ITEM *it, int tag, int aclass) | |
240 | { | |
241 | return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
242 | tag, aclass); | |
243 | } | |
244 | ||
245 | static int x509_pubkey_ex_print(BIO *out, const ASN1_VALUE **pval, int indent, | |
246 | const char *fname, const ASN1_PCTX *pctx) | |
247 | { | |
248 | return ASN1_item_print(out, *pval, indent, | |
249 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), pctx); | |
250 | } | |
251 | ||
252 | static const ASN1_EXTERN_FUNCS x509_pubkey_ff = { | |
253 | NULL, | |
c8a9af97 | 254 | NULL, |
10315851 RL |
255 | x509_pubkey_ex_free, |
256 | 0, /* Default clear behaviour is OK */ | |
c6313780 | 257 | NULL, |
10315851 | 258 | x509_pubkey_ex_i2d, |
c8a9af97 MC |
259 | x509_pubkey_ex_print, |
260 | x509_pubkey_ex_new_ex, | |
c6313780 | 261 | x509_pubkey_ex_d2i_ex, |
10315851 | 262 | }; |
d02b48c6 | 263 | |
10315851 | 264 | IMPLEMENT_EXTERN_ASN1(X509_PUBKEY, V_ASN1_SEQUENCE, x509_pubkey_ff) |
9d6b1ce6 | 265 | IMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY) |
10315851 | 266 | |
d6ded941 MC |
267 | X509_PUBKEY *X509_PUBKEY_new_ex(OSSL_LIB_CTX *libctx, const char *propq) |
268 | { | |
269 | X509_PUBKEY *pubkey = NULL; | |
270 | ||
c8a9af97 | 271 | pubkey = (X509_PUBKEY *)ASN1_item_new_ex(X509_PUBKEY_it(), libctx, propq); |
d6ded941 MC |
272 | if (!x509_pubkey_set0_libctx(pubkey, libctx, propq)) { |
273 | X509_PUBKEY_free(pubkey); | |
274 | pubkey = NULL; | |
275 | } | |
276 | return pubkey; | |
277 | } | |
278 | ||
10315851 RL |
279 | /* |
280 | * X509_PUBKEY_dup() must be implemented manually, because there is no | |
281 | * support for it in ASN1_EXTERN_FUNCS. | |
282 | */ | |
283 | X509_PUBKEY *X509_PUBKEY_dup(const X509_PUBKEY *a) | |
284 | { | |
e7aa284e P |
285 | X509_PUBKEY *pubkey = OPENSSL_zalloc(sizeof(*pubkey)); |
286 | ||
e077455e RL |
287 | if (pubkey == NULL) |
288 | return NULL; | |
289 | if (!x509_pubkey_set0_libctx(pubkey, a->libctx, a->propq)) { | |
290 | ERR_raise(ERR_LIB_X509, ERR_R_X509_LIB); | |
291 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, | |
292 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
293 | return NULL; | |
294 | } | |
295 | if ((pubkey->algor = X509_ALGOR_dup(a->algor)) == NULL | |
296 | || (pubkey->public_key = ASN1_BIT_STRING_new()) == NULL | |
297 | || !ASN1_BIT_STRING_set(pubkey->public_key, | |
298 | a->public_key->data, | |
299 | a->public_key->length)) { | |
10315851 RL |
300 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, |
301 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
e077455e | 302 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
10315851 RL |
303 | return NULL; |
304 | } | |
7e35458b TM |
305 | |
306 | if (a->pkey != NULL) { | |
307 | ERR_set_mark(); | |
308 | pubkey->pkey = EVP_PKEY_dup(a->pkey); | |
309 | if (pubkey->pkey == NULL) { | |
310 | pubkey->flag_force_legacy = 1; | |
311 | if (x509_pubkey_decode(&pubkey->pkey, pubkey) <= 0) { | |
312 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, | |
313 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
314 | ERR_clear_last_mark(); | |
315 | return NULL; | |
316 | } | |
317 | } | |
318 | ERR_pop_to_mark(); | |
319 | } | |
10315851 RL |
320 | return pubkey; |
321 | } | |
d02b48c6 | 322 | |
6b691a5c | 323 | int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey) |
0f113f3e MC |
324 | { |
325 | X509_PUBKEY *pk = NULL; | |
326 | ||
7836f949 DDO |
327 | if (x == NULL || pkey == NULL) { |
328 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
26a7d938 | 329 | return 0; |
7836f949 | 330 | } |
0f113f3e | 331 | |
e56ba0e1 RL |
332 | if (pkey->ameth != NULL) { |
333 | if ((pk = X509_PUBKEY_new()) == NULL) { | |
e077455e | 334 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
e56ba0e1 RL |
335 | goto error; |
336 | } | |
337 | if (pkey->ameth->pub_encode != NULL) { | |
0f113f3e | 338 | if (!pkey->ameth->pub_encode(pk, pkey)) { |
9311d0c4 | 339 | ERR_raise(ERR_LIB_X509, X509_R_PUBLIC_KEY_ENCODE_ERROR); |
0f113f3e MC |
340 | goto error; |
341 | } | |
342 | } else { | |
9311d0c4 | 343 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
344 | goto error; |
345 | } | |
113adc1f | 346 | } else if (evp_pkey_is_provided(pkey)) { |
113adc1f RL |
347 | unsigned char *der = NULL; |
348 | size_t derlen = 0; | |
ece9304c | 349 | OSSL_ENCODER_CTX *ectx = |
fe75766c TM |
350 | OSSL_ENCODER_CTX_new_for_pkey(pkey, EVP_PKEY_PUBLIC_KEY, |
351 | "DER", "SubjectPublicKeyInfo", | |
352 | NULL); | |
e56ba0e1 | 353 | |
113adc1f RL |
354 | if (OSSL_ENCODER_to_data(ectx, &der, &derlen)) { |
355 | const unsigned char *pder = der; | |
e56ba0e1 | 356 | |
113adc1f | 357 | pk = d2i_X509_PUBKEY(NULL, &pder, (long)derlen); |
e56ba0e1 RL |
358 | } |
359 | ||
ece9304c | 360 | OSSL_ENCODER_CTX_free(ectx); |
113adc1f | 361 | OPENSSL_free(der); |
0f113f3e MC |
362 | } |
363 | ||
7836f949 DDO |
364 | if (pk == NULL) { |
365 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); | |
366 | goto error; | |
367 | } | |
e56ba0e1 | 368 | |
222561fe | 369 | X509_PUBKEY_free(*x); |
e56ba0e1 | 370 | if (!EVP_PKEY_up_ref(pkey)) { |
9311d0c4 | 371 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e56ba0e1 RL |
372 | goto error; |
373 | } | |
0f113f3e | 374 | *x = pk; |
a076951b RL |
375 | |
376 | /* | |
377 | * pk->pkey is NULL when using the legacy routine, but is non-NULL when | |
ece9304c | 378 | * going through the encoder, and for all intents and purposes, it's |
0d5bbaaa MC |
379 | * a perfect copy of the public key portions of |pkey|, just not the same |
380 | * instance. If that's all there was to pkey then we could simply return | |
381 | * early, right here. However, some application might very well depend on | |
382 | * the passed |pkey| being used and none other, so we spend a few more | |
383 | * cycles throwing away the newly created |pk->pkey| and replace it with | |
384 | * |pkey|. | |
a076951b RL |
385 | */ |
386 | if (pk->pkey != NULL) | |
387 | EVP_PKEY_free(pk->pkey); | |
388 | ||
fa0a9d71 | 389 | pk->pkey = pkey; |
e56ba0e1 RL |
390 | return 1; |
391 | ||
0f113f3e | 392 | error: |
222561fe | 393 | X509_PUBKEY_free(pk); |
0f113f3e MC |
394 | return 0; |
395 | } | |
d02b48c6 | 396 | |
fa0a9d71 DSH |
397 | /* |
398 | * Attempt to decode a public key. | |
399 | * Returns 1 on success, 0 for a decode failure and -1 for a fatal | |
400 | * error e.g. malloc failure. | |
10315851 RL |
401 | * |
402 | * This function is #legacy. | |
fa0a9d71 | 403 | */ |
7674e923 | 404 | static int x509_pubkey_decode(EVP_PKEY **ppkey, const X509_PUBKEY *key) |
7fcdbd83 | 405 | { |
29bf83c8 MC |
406 | EVP_PKEY *pkey; |
407 | int nid; | |
408 | ||
409 | nid = OBJ_obj2nid(key->algor->algorithm); | |
410 | if (!key->flag_force_legacy) { | |
411 | #ifndef OPENSSL_NO_ENGINE | |
412 | ENGINE *e = NULL; | |
413 | ||
414 | e = ENGINE_get_pkey_meth_engine(nid); | |
415 | if (e == NULL) | |
416 | return 0; | |
417 | ENGINE_finish(e); | |
418 | #else | |
419 | return 0; | |
420 | #endif | |
421 | } | |
0f113f3e | 422 | |
29bf83c8 | 423 | pkey = EVP_PKEY_new(); |
fa0a9d71 | 424 | if (pkey == NULL) { |
e077455e | 425 | ERR_raise(ERR_LIB_X509, ERR_R_EVP_LIB); |
fa0a9d71 | 426 | return -1; |
0f113f3e MC |
427 | } |
428 | ||
29bf83c8 | 429 | if (!EVP_PKEY_set_type(pkey, nid)) { |
9311d0c4 | 430 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); |
0f113f3e MC |
431 | goto error; |
432 | } | |
433 | ||
fa0a9d71 DSH |
434 | if (pkey->ameth->pub_decode) { |
435 | /* | |
436 | * Treat any failure of pub_decode as a decode error. In | |
437 | * future we could have different return codes for decode | |
438 | * errors and fatal errors such as malloc failure. | |
439 | */ | |
66066e1b | 440 | if (!pkey->ameth->pub_decode(pkey, key)) |
0f113f3e | 441 | goto error; |
0f113f3e | 442 | } else { |
9311d0c4 | 443 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
444 | goto error; |
445 | } | |
446 | ||
fa0a9d71 DSH |
447 | *ppkey = pkey; |
448 | return 1; | |
0f113f3e MC |
449 | |
450 | error: | |
fa0a9d71 DSH |
451 | EVP_PKEY_free(pkey); |
452 | return 0; | |
453 | } | |
454 | ||
7674e923 | 455 | EVP_PKEY *X509_PUBKEY_get0(const X509_PUBKEY *key) |
fa0a9d71 | 456 | { |
1df8322c MC |
457 | if (key == NULL) { |
458 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
fa0a9d71 | 459 | return NULL; |
1df8322c | 460 | } |
fa0a9d71 | 461 | |
1df8322c MC |
462 | if (key->pkey == NULL) { |
463 | /* We failed to decode the key when we loaded it, or it was never set */ | |
464 | ERR_raise(ERR_LIB_EVP, EVP_R_DECODE_ERROR); | |
465 | return NULL; | |
fa0a9d71 DSH |
466 | } |
467 | ||
1df8322c | 468 | return key->pkey; |
0f113f3e MC |
469 | } |
470 | ||
7674e923 | 471 | EVP_PKEY *X509_PUBKEY_get(const X509_PUBKEY *key) |
c01ff880 DSH |
472 | { |
473 | EVP_PKEY *ret = X509_PUBKEY_get0(key); | |
e9e7b5df BE |
474 | |
475 | if (ret != NULL && !EVP_PKEY_up_ref(ret)) { | |
9311d0c4 | 476 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e9e7b5df BE |
477 | ret = NULL; |
478 | } | |
c01ff880 DSH |
479 | return ret; |
480 | } | |
481 | ||
0f113f3e | 482 | /* |
22b81444 RL |
483 | * Now three pseudo ASN1 routines that take an EVP_PKEY structure and encode |
484 | * or decode as X509_PUBKEY | |
52664f50 | 485 | */ |
10315851 RL |
486 | static EVP_PKEY *d2i_PUBKEY_int(EVP_PKEY **a, |
487 | const unsigned char **pp, long length, | |
488 | OSSL_LIB_CTX *libctx, const char *propq, | |
489 | unsigned int force_legacy, | |
490 | X509_PUBKEY * | |
491 | (*d2i_x509_pubkey)(X509_PUBKEY **a, | |
492 | const unsigned char **in, | |
493 | long len)) | |
0f113f3e | 494 | { |
22b81444 RL |
495 | X509_PUBKEY *xpk, *xpk2 = NULL, **pxpk = NULL; |
496 | EVP_PKEY *pktmp = NULL; | |
a46c9789 | 497 | const unsigned char *q; |
12a765a5 | 498 | |
a46c9789 | 499 | q = *pp; |
22b81444 RL |
500 | |
501 | /* | |
502 | * If libctx or propq are non-NULL, we take advantage of the reuse | |
503 | * feature. It's not generally recommended, but is safe enough for | |
504 | * newly created structures. | |
505 | */ | |
10315851 | 506 | if (libctx != NULL || propq != NULL || force_legacy) { |
22b81444 | 507 | xpk2 = OPENSSL_zalloc(sizeof(*xpk2)); |
e077455e | 508 | if (xpk2 == NULL) |
22b81444 | 509 | return NULL; |
637dce3c SL |
510 | if (!x509_pubkey_set0_libctx(xpk2, libctx, propq)) |
511 | goto end; | |
10315851 | 512 | xpk2->flag_force_legacy = !!force_legacy; |
22b81444 RL |
513 | pxpk = &xpk2; |
514 | } | |
10315851 | 515 | xpk = d2i_x509_pubkey(pxpk, &q, length); |
12a765a5 | 516 | if (xpk == NULL) |
22b81444 | 517 | goto end; |
0f113f3e MC |
518 | pktmp = X509_PUBKEY_get(xpk); |
519 | X509_PUBKEY_free(xpk); | |
22b81444 | 520 | xpk2 = NULL; /* We know that xpk == xpk2 */ |
12a765a5 | 521 | if (pktmp == NULL) |
22b81444 | 522 | goto end; |
a46c9789 | 523 | *pp = q; |
12a765a5 | 524 | if (a != NULL) { |
0f113f3e MC |
525 | EVP_PKEY_free(*a); |
526 | *a = pktmp; | |
527 | } | |
22b81444 RL |
528 | end: |
529 | X509_PUBKEY_free(xpk2); | |
0f113f3e MC |
530 | return pktmp; |
531 | } | |
52664f50 | 532 | |
10315851 | 533 | /* For the algorithm specific d2i functions further down */ |
b2f1b365 MC |
534 | EVP_PKEY *ossl_d2i_PUBKEY_legacy(EVP_PKEY **a, const unsigned char **pp, |
535 | long length) | |
10315851 RL |
536 | { |
537 | return d2i_PUBKEY_int(a, pp, length, NULL, NULL, 1, d2i_X509_PUBKEY); | |
538 | } | |
539 | ||
540 | EVP_PKEY *d2i_PUBKEY_ex(EVP_PKEY **a, const unsigned char **pp, long length, | |
541 | OSSL_LIB_CTX *libctx, const char *propq) | |
542 | { | |
543 | return d2i_PUBKEY_int(a, pp, length, libctx, propq, 0, d2i_X509_PUBKEY); | |
544 | } | |
545 | ||
22b81444 RL |
546 | EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length) |
547 | { | |
548 | return d2i_PUBKEY_ex(a, pp, length, NULL, NULL); | |
549 | } | |
550 | ||
9fdcc21f | 551 | int i2d_PUBKEY(const EVP_PKEY *a, unsigned char **pp) |
0f113f3e | 552 | { |
9fdcc21f DO |
553 | int ret = -1; |
554 | ||
555 | if (a == NULL) | |
0f113f3e | 556 | return 0; |
cdb16632 RL |
557 | if (a->ameth != NULL) { |
558 | X509_PUBKEY *xpk = NULL; | |
559 | ||
560 | if ((xpk = X509_PUBKEY_new()) == NULL) | |
561 | return -1; | |
562 | ||
563 | /* pub_encode() only encode parameters, not the key itself */ | |
564 | if (a->ameth->pub_encode != NULL && a->ameth->pub_encode(xpk, a)) { | |
565 | xpk->pkey = (EVP_PKEY *)a; | |
566 | ret = i2d_X509_PUBKEY(xpk, pp); | |
567 | xpk->pkey = NULL; | |
568 | } | |
569 | X509_PUBKEY_free(xpk); | |
3c6ed955 | 570 | } else if (a->keymgmt != NULL) { |
ece9304c | 571 | OSSL_ENCODER_CTX *ctx = |
fe75766c TM |
572 | OSSL_ENCODER_CTX_new_for_pkey(a, EVP_PKEY_PUBLIC_KEY, |
573 | "DER", "SubjectPublicKeyInfo", | |
574 | NULL); | |
cdb16632 RL |
575 | BIO *out = BIO_new(BIO_s_mem()); |
576 | BUF_MEM *buf = NULL; | |
577 | ||
97bb8dff | 578 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0 |
cdb16632 | 579 | && out != NULL |
ece9304c | 580 | && OSSL_ENCODER_to_bio(ctx, out) |
cdb16632 RL |
581 | && BIO_get_mem_ptr(out, &buf) > 0) { |
582 | ret = buf->length; | |
583 | ||
584 | if (pp != NULL) { | |
585 | if (*pp == NULL) { | |
586 | *pp = (unsigned char *)buf->data; | |
587 | buf->length = 0; | |
588 | buf->data = NULL; | |
589 | } else { | |
590 | memcpy(*pp, buf->data, ret); | |
591 | *pp += ret; | |
592 | } | |
593 | } | |
594 | } | |
595 | BIO_free(out); | |
ece9304c | 596 | OSSL_ENCODER_CTX_free(ctx); |
cdb16632 RL |
597 | } |
598 | ||
0f113f3e MC |
599 | return ret; |
600 | } | |
601 | ||
602 | /* | |
603 | * The following are equivalents but which return RSA and DSA keys | |
52664f50 | 604 | */ |
0f113f3e MC |
605 | RSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, long length) |
606 | { | |
607 | EVP_PKEY *pkey; | |
06f67612 | 608 | RSA *key = NULL; |
0f113f3e | 609 | const unsigned char *q; |
12a765a5 | 610 | |
0f113f3e | 611 | q = *pp; |
b2f1b365 | 612 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 613 | if (pkey == NULL) |
0f113f3e MC |
614 | return NULL; |
615 | key = EVP_PKEY_get1_RSA(pkey); | |
616 | EVP_PKEY_free(pkey); | |
12a765a5 | 617 | if (key == NULL) |
0f113f3e MC |
618 | return NULL; |
619 | *pp = q; | |
12a765a5 | 620 | if (a != NULL) { |
0f113f3e MC |
621 | RSA_free(*a); |
622 | *a = key; | |
623 | } | |
624 | return key; | |
625 | } | |
52664f50 | 626 | |
9fdcc21f | 627 | int i2d_RSA_PUBKEY(const RSA *a, unsigned char **pp) |
0f113f3e MC |
628 | { |
629 | EVP_PKEY *pktmp; | |
630 | int ret; | |
631 | if (!a) | |
632 | return 0; | |
633 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 634 | if (pktmp == NULL) { |
e077455e | 635 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 636 | return -1; |
0f113f3e | 637 | } |
9fdcc21f | 638 | (void)EVP_PKEY_assign_RSA(pktmp, (RSA *)a); |
0f113f3e | 639 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 640 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
641 | EVP_PKEY_free(pktmp); |
642 | return ret; | |
643 | } | |
52664f50 | 644 | |
06f67612 RL |
645 | #ifndef OPENSSL_NO_DH |
646 | DH *ossl_d2i_DH_PUBKEY(DH **a, const unsigned char **pp, long length) | |
647 | { | |
648 | EVP_PKEY *pkey; | |
649 | DH *key = NULL; | |
650 | const unsigned char *q; | |
651 | ||
652 | q = *pp; | |
b2f1b365 | 653 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
654 | if (pkey == NULL) |
655 | return NULL; | |
ed576acd | 656 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DH) |
06f67612 RL |
657 | key = EVP_PKEY_get1_DH(pkey); |
658 | EVP_PKEY_free(pkey); | |
659 | if (key == NULL) | |
660 | return NULL; | |
661 | *pp = q; | |
662 | if (a != NULL) { | |
663 | DH_free(*a); | |
664 | *a = key; | |
665 | } | |
666 | return key; | |
667 | } | |
668 | ||
669 | int ossl_i2d_DH_PUBKEY(const DH *a, unsigned char **pp) | |
670 | { | |
671 | EVP_PKEY *pktmp; | |
672 | int ret; | |
673 | if (!a) | |
674 | return 0; | |
675 | pktmp = EVP_PKEY_new(); | |
676 | if (pktmp == NULL) { | |
e077455e | 677 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
678 | return -1; |
679 | } | |
680 | (void)EVP_PKEY_assign_DH(pktmp, (DH *)a); | |
681 | ret = i2d_PUBKEY(pktmp, pp); | |
682 | pktmp->pkey.ptr = NULL; | |
683 | EVP_PKEY_free(pktmp); | |
684 | return ret; | |
685 | } | |
686 | ||
687 | DH *ossl_d2i_DHx_PUBKEY(DH **a, const unsigned char **pp, long length) | |
688 | { | |
689 | EVP_PKEY *pkey; | |
690 | DH *key = NULL; | |
691 | const unsigned char *q; | |
692 | ||
693 | q = *pp; | |
b2f1b365 | 694 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
695 | if (pkey == NULL) |
696 | return NULL; | |
ed576acd | 697 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DHX) |
06f67612 RL |
698 | key = EVP_PKEY_get1_DH(pkey); |
699 | EVP_PKEY_free(pkey); | |
700 | if (key == NULL) | |
701 | return NULL; | |
702 | *pp = q; | |
703 | if (a != NULL) { | |
704 | DH_free(*a); | |
705 | *a = key; | |
706 | } | |
707 | return key; | |
708 | } | |
709 | ||
710 | int ossl_i2d_DHx_PUBKEY(const DH *a, unsigned char **pp) | |
711 | { | |
712 | EVP_PKEY *pktmp; | |
713 | int ret; | |
714 | if (!a) | |
715 | return 0; | |
716 | pktmp = EVP_PKEY_new(); | |
717 | if (pktmp == NULL) { | |
e077455e | 718 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
719 | return -1; |
720 | } | |
721 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_DHX, (DH *)a); | |
722 | ret = i2d_PUBKEY(pktmp, pp); | |
723 | pktmp->pkey.ptr = NULL; | |
724 | EVP_PKEY_free(pktmp); | |
725 | return ret; | |
726 | } | |
727 | #endif | |
728 | ||
cf1b7d96 | 729 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
730 | DSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) |
731 | { | |
732 | EVP_PKEY *pkey; | |
06f67612 | 733 | DSA *key = NULL; |
0f113f3e | 734 | const unsigned char *q; |
12a765a5 | 735 | |
0f113f3e | 736 | q = *pp; |
b2f1b365 | 737 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 738 | if (pkey == NULL) |
0f113f3e MC |
739 | return NULL; |
740 | key = EVP_PKEY_get1_DSA(pkey); | |
741 | EVP_PKEY_free(pkey); | |
12a765a5 | 742 | if (key == NULL) |
0f113f3e MC |
743 | return NULL; |
744 | *pp = q; | |
12a765a5 | 745 | if (a != NULL) { |
0f113f3e MC |
746 | DSA_free(*a); |
747 | *a = key; | |
748 | } | |
749 | return key; | |
750 | } | |
52664f50 | 751 | |
604247bf TM |
752 | /* Called from decoders; disallows provided DSA keys without parameters. */ |
753 | DSA *ossl_d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) | |
754 | { | |
755 | DSA *key = NULL; | |
756 | const unsigned char *data; | |
757 | const BIGNUM *p, *q, *g; | |
758 | ||
759 | data = *pp; | |
760 | key = d2i_DSA_PUBKEY(NULL, &data, length); | |
761 | if (key == NULL) | |
762 | return NULL; | |
763 | DSA_get0_pqg(key, &p, &q, &g); | |
764 | if (p == NULL || q == NULL || g == NULL) { | |
765 | DSA_free(key); | |
766 | return NULL; | |
767 | } | |
768 | *pp = data; | |
769 | if (a != NULL) { | |
770 | DSA_free(*a); | |
771 | *a = key; | |
772 | } | |
773 | return key; | |
774 | } | |
775 | ||
9fdcc21f | 776 | int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp) |
0f113f3e MC |
777 | { |
778 | EVP_PKEY *pktmp; | |
779 | int ret; | |
780 | if (!a) | |
781 | return 0; | |
782 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 783 | if (pktmp == NULL) { |
e077455e | 784 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 785 | return -1; |
0f113f3e | 786 | } |
9fdcc21f | 787 | (void)EVP_PKEY_assign_DSA(pktmp, (DSA *)a); |
0f113f3e | 788 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 789 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
790 | EVP_PKEY_free(pktmp); |
791 | return ret; | |
792 | } | |
4d94ae00 BM |
793 | #endif |
794 | ||
14a7cfb3 | 795 | #ifndef OPENSSL_NO_EC |
6343829a | 796 | EC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length) |
0f113f3e MC |
797 | { |
798 | EVP_PKEY *pkey; | |
06f67612 | 799 | EC_KEY *key = NULL; |
0f113f3e | 800 | const unsigned char *q; |
b4c4a2c6 | 801 | int type; |
12a765a5 | 802 | |
0f113f3e | 803 | q = *pp; |
b2f1b365 | 804 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 805 | if (pkey == NULL) |
26a7d938 | 806 | return NULL; |
ed576acd | 807 | type = EVP_PKEY_get_id(pkey); |
b4c4a2c6 | 808 | if (type == EVP_PKEY_EC || type == EVP_PKEY_SM2) |
06f67612 | 809 | key = EVP_PKEY_get1_EC_KEY(pkey); |
0f113f3e | 810 | EVP_PKEY_free(pkey); |
12a765a5 | 811 | if (key == NULL) |
26a7d938 | 812 | return NULL; |
0f113f3e | 813 | *pp = q; |
12a765a5 | 814 | if (a != NULL) { |
0f113f3e MC |
815 | EC_KEY_free(*a); |
816 | *a = key; | |
817 | } | |
26a7d938 | 818 | return key; |
0f113f3e | 819 | } |
4d94ae00 | 820 | |
9fdcc21f | 821 | int i2d_EC_PUBKEY(const EC_KEY *a, unsigned char **pp) |
0f113f3e MC |
822 | { |
823 | EVP_PKEY *pktmp; | |
824 | int ret; | |
12a765a5 RS |
825 | |
826 | if (a == NULL) | |
26a7d938 | 827 | return 0; |
0f113f3e | 828 | if ((pktmp = EVP_PKEY_new()) == NULL) { |
e077455e | 829 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 830 | return -1; |
0f113f3e | 831 | } |
9fdcc21f | 832 | (void)EVP_PKEY_assign_EC_KEY(pktmp, (EC_KEY *)a); |
0f113f3e | 833 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 834 | pktmp->pkey.ptr = NULL; |
0f113f3e | 835 | EVP_PKEY_free(pktmp); |
26a7d938 | 836 | return ret; |
0f113f3e | 837 | } |
06f67612 | 838 | |
4032cd9a | 839 | # ifndef OPENSSL_NO_ECX |
06f67612 RL |
840 | ECX_KEY *ossl_d2i_ED25519_PUBKEY(ECX_KEY **a, |
841 | const unsigned char **pp, long length) | |
842 | { | |
843 | EVP_PKEY *pkey; | |
844 | ECX_KEY *key = NULL; | |
845 | const unsigned char *q; | |
846 | ||
847 | q = *pp; | |
b2f1b365 | 848 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
849 | if (pkey == NULL) |
850 | return NULL; | |
851 | key = ossl_evp_pkey_get1_ED25519(pkey); | |
852 | EVP_PKEY_free(pkey); | |
853 | if (key == NULL) | |
854 | return NULL; | |
855 | *pp = q; | |
856 | if (a != NULL) { | |
857 | ossl_ecx_key_free(*a); | |
858 | *a = key; | |
859 | } | |
860 | return key; | |
861 | } | |
862 | ||
863 | int ossl_i2d_ED25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
864 | { | |
865 | EVP_PKEY *pktmp; | |
866 | int ret; | |
867 | ||
868 | if (a == NULL) | |
869 | return 0; | |
870 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 871 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
872 | return -1; |
873 | } | |
874 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED25519, (ECX_KEY *)a); | |
875 | ret = i2d_PUBKEY(pktmp, pp); | |
876 | pktmp->pkey.ptr = NULL; | |
877 | EVP_PKEY_free(pktmp); | |
878 | return ret; | |
879 | } | |
880 | ||
881 | ECX_KEY *ossl_d2i_ED448_PUBKEY(ECX_KEY **a, | |
882 | const unsigned char **pp, long length) | |
883 | { | |
884 | EVP_PKEY *pkey; | |
885 | ECX_KEY *key = NULL; | |
886 | const unsigned char *q; | |
887 | ||
888 | q = *pp; | |
b2f1b365 | 889 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
890 | if (pkey == NULL) |
891 | return NULL; | |
ed576acd | 892 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_ED448) |
06f67612 RL |
893 | key = ossl_evp_pkey_get1_ED448(pkey); |
894 | EVP_PKEY_free(pkey); | |
895 | if (key == NULL) | |
896 | return NULL; | |
897 | *pp = q; | |
898 | if (a != NULL) { | |
899 | ossl_ecx_key_free(*a); | |
900 | *a = key; | |
901 | } | |
902 | return key; | |
903 | } | |
904 | ||
905 | int ossl_i2d_ED448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
906 | { | |
907 | EVP_PKEY *pktmp; | |
908 | int ret; | |
909 | ||
910 | if (a == NULL) | |
911 | return 0; | |
912 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 913 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
914 | return -1; |
915 | } | |
916 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED448, (ECX_KEY *)a); | |
917 | ret = i2d_PUBKEY(pktmp, pp); | |
918 | pktmp->pkey.ptr = NULL; | |
919 | EVP_PKEY_free(pktmp); | |
920 | return ret; | |
921 | } | |
922 | ||
923 | ECX_KEY *ossl_d2i_X25519_PUBKEY(ECX_KEY **a, | |
924 | const unsigned char **pp, long length) | |
925 | { | |
926 | EVP_PKEY *pkey; | |
927 | ECX_KEY *key = NULL; | |
928 | const unsigned char *q; | |
929 | ||
930 | q = *pp; | |
b2f1b365 | 931 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
932 | if (pkey == NULL) |
933 | return NULL; | |
ed576acd | 934 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X25519) |
06f67612 RL |
935 | key = ossl_evp_pkey_get1_X25519(pkey); |
936 | EVP_PKEY_free(pkey); | |
937 | if (key == NULL) | |
938 | return NULL; | |
939 | *pp = q; | |
940 | if (a != NULL) { | |
941 | ossl_ecx_key_free(*a); | |
942 | *a = key; | |
943 | } | |
944 | return key; | |
945 | } | |
946 | ||
947 | int ossl_i2d_X25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
948 | { | |
949 | EVP_PKEY *pktmp; | |
950 | int ret; | |
951 | ||
952 | if (a == NULL) | |
953 | return 0; | |
954 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 955 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
956 | return -1; |
957 | } | |
958 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X25519, (ECX_KEY *)a); | |
959 | ret = i2d_PUBKEY(pktmp, pp); | |
960 | pktmp->pkey.ptr = NULL; | |
961 | EVP_PKEY_free(pktmp); | |
962 | return ret; | |
963 | } | |
964 | ||
965 | ECX_KEY *ossl_d2i_X448_PUBKEY(ECX_KEY **a, | |
966 | const unsigned char **pp, long length) | |
967 | { | |
968 | EVP_PKEY *pkey; | |
969 | ECX_KEY *key = NULL; | |
970 | const unsigned char *q; | |
971 | ||
972 | q = *pp; | |
b2f1b365 | 973 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
974 | if (pkey == NULL) |
975 | return NULL; | |
ed576acd | 976 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X448) |
06f67612 RL |
977 | key = ossl_evp_pkey_get1_X448(pkey); |
978 | EVP_PKEY_free(pkey); | |
979 | if (key == NULL) | |
980 | return NULL; | |
981 | *pp = q; | |
982 | if (a != NULL) { | |
983 | ossl_ecx_key_free(*a); | |
984 | *a = key; | |
985 | } | |
986 | return key; | |
987 | } | |
988 | ||
989 | int ossl_i2d_X448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
990 | { | |
991 | EVP_PKEY *pktmp; | |
992 | int ret; | |
993 | ||
994 | if (a == NULL) | |
995 | return 0; | |
996 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 997 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
998 | return -1; |
999 | } | |
1000 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X448, (ECX_KEY *)a); | |
1001 | ret = i2d_PUBKEY(pktmp, pp); | |
1002 | pktmp->pkey.ptr = NULL; | |
1003 | EVP_PKEY_free(pktmp); | |
1004 | return ret; | |
1005 | } | |
1006 | ||
4032cd9a | 1007 | # endif /* OPENSSL_NO_ECX */ |
12aefe78 | 1008 | #endif |
448be743 | 1009 | |
9df71587 DDO |
1010 | void X509_PUBKEY_set0_public_key(X509_PUBKEY *pub, |
1011 | unsigned char *penc, int penclen) | |
1012 | { | |
33847508 | 1013 | ASN1_STRING_set0(pub->public_key, penc, penclen); |
7c310e87 | 1014 | ossl_asn1_string_set_bits_left(pub->public_key, 0); |
9df71587 DDO |
1015 | } |
1016 | ||
448be743 | 1017 | int X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj, |
0f113f3e MC |
1018 | int ptype, void *pval, |
1019 | unsigned char *penc, int penclen) | |
1020 | { | |
1021 | if (!X509_ALGOR_set0(pub->algor, aobj, ptype, pval)) | |
1022 | return 0; | |
9df71587 DDO |
1023 | if (penc != NULL) |
1024 | X509_PUBKEY_set0_public_key(pub, penc, penclen); | |
0f113f3e MC |
1025 | return 1; |
1026 | } | |
448be743 DSH |
1027 | |
1028 | int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, | |
0f113f3e | 1029 | const unsigned char **pk, int *ppklen, |
7674e923 | 1030 | X509_ALGOR **pa, const X509_PUBKEY *pub) |
0f113f3e MC |
1031 | { |
1032 | if (ppkalg) | |
1033 | *ppkalg = pub->algor->algorithm; | |
1034 | if (pk) { | |
1035 | *pk = pub->public_key->data; | |
1036 | *ppklen = pub->public_key->length; | |
1037 | } | |
1038 | if (pa) | |
1039 | *pa = pub->algor; | |
1040 | return 1; | |
1041 | } | |
29fa0a1a DSH |
1042 | |
1043 | ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x) | |
1044 | { | |
1045 | if (x == NULL) | |
1046 | return NULL; | |
1047 | return x->cert_info.key->public_key; | |
1048 | } | |
93f99b68 DDO |
1049 | |
1050 | /* Returns 1 for equal, 0, for non-equal, < 0 on error */ | |
1051 | int X509_PUBKEY_eq(const X509_PUBKEY *a, const X509_PUBKEY *b) | |
1052 | { | |
1053 | X509_ALGOR *algA, *algB; | |
1054 | EVP_PKEY *pA, *pB; | |
1055 | ||
1056 | if (a == b) | |
1057 | return 1; | |
1058 | if (a == NULL || b == NULL) | |
1059 | return 0; | |
1060 | if (!X509_PUBKEY_get0_param(NULL, NULL, NULL, &algA, a) || algA == NULL | |
1061 | || !X509_PUBKEY_get0_param(NULL, NULL, NULL, &algB, b) || algB == NULL) | |
1062 | return -2; | |
1063 | if (X509_ALGOR_cmp(algA, algB) != 0) | |
1064 | return 0; | |
1065 | if ((pA = X509_PUBKEY_get0(a)) == NULL | |
1066 | || (pB = X509_PUBKEY_get0(b)) == NULL) | |
1067 | return -2; | |
c74aaa39 | 1068 | return EVP_PKEY_eq(pA, pB); |
93f99b68 | 1069 | } |
22b81444 | 1070 | |
4669015d SL |
1071 | int ossl_x509_PUBKEY_get0_libctx(OSSL_LIB_CTX **plibctx, const char **ppropq, |
1072 | const X509_PUBKEY *key) | |
22b81444 RL |
1073 | { |
1074 | if (plibctx) | |
1075 | *plibctx = key->libctx; | |
1076 | if (ppropq) | |
1077 | *ppropq = key->propq; | |
1078 | return 1; | |
1079 | } |