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Commit | Line | Data |
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b1322259 | 1 | /* |
fecb3aae | 2 | * Copyright 1995-2022 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 MC |
68 | X509_PUBKEY *ossl_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp, |
69 | long len, OSSL_LIB_CTX *libctx) | |
70 | { | |
71 | X509_PUBKEY *xpub = OPENSSL_zalloc(sizeof(*xpub)); | |
72 | ||
73 | if (xpub == NULL) | |
74 | return NULL; | |
75 | return (X509_PUBKEY *)ASN1_item_d2i_ex((ASN1_VALUE **)&xpub, pp, len, | |
76 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
77 | libctx, NULL); | |
78 | } | |
79 | ||
80 | void ossl_X509_PUBKEY_INTERNAL_free(X509_PUBKEY *xpub) | |
81 | { | |
82 | ASN1_item_free((ASN1_VALUE *)xpub, ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
83 | } | |
84 | ||
10315851 | 85 | static void x509_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
0f113f3e | 86 | { |
15025190 P |
87 | X509_PUBKEY *pubkey; |
88 | ||
89 | if (pval != NULL && (pubkey = (X509_PUBKEY *)*pval) != NULL) { | |
90 | X509_ALGOR_free(pubkey->algor); | |
91 | ASN1_BIT_STRING_free(pubkey->public_key); | |
92 | EVP_PKEY_free(pubkey->pkey); | |
93 | OPENSSL_free(pubkey->propq); | |
94 | OPENSSL_free(pubkey); | |
95 | *pval = NULL; | |
96 | } | |
10315851 RL |
97 | } |
98 | ||
99 | static int x509_pubkey_ex_populate(ASN1_VALUE **pval, const ASN1_ITEM *it) | |
100 | { | |
101 | X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; | |
102 | ||
103 | return (pubkey->algor != NULL | |
104 | || (pubkey->algor = X509_ALGOR_new()) != NULL) | |
105 | && (pubkey->public_key != NULL | |
106 | || (pubkey->public_key = ASN1_BIT_STRING_new()) != NULL); | |
107 | } | |
108 | ||
c8a9af97 MC |
109 | |
110 | static int x509_pubkey_ex_new_ex(ASN1_VALUE **pval, const ASN1_ITEM *it, | |
111 | OSSL_LIB_CTX *libctx, const char *propq) | |
10315851 RL |
112 | { |
113 | X509_PUBKEY *ret; | |
114 | ||
e077455e RL |
115 | if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) |
116 | return 0; | |
117 | if (!x509_pubkey_ex_populate((ASN1_VALUE **)&ret, NULL) | |
c8a9af97 | 118 | || !x509_pubkey_set0_libctx(ret, libctx, propq)) { |
10315851 | 119 | x509_pubkey_ex_free((ASN1_VALUE **)&ret, NULL); |
475c5bbd | 120 | ret = NULL; |
e077455e | 121 | ERR_raise(ERR_LIB_ASN1, ERR_R_X509_LIB); |
10315851 RL |
122 | } else { |
123 | *pval = (ASN1_VALUE *)ret; | |
124 | } | |
125 | ||
126 | return ret != NULL; | |
127 | } | |
128 | ||
c6313780 MC |
129 | static int x509_pubkey_ex_d2i_ex(ASN1_VALUE **pval, |
130 | const unsigned char **in, long len, | |
131 | const ASN1_ITEM *it, int tag, int aclass, | |
132 | char opt, ASN1_TLC *ctx, OSSL_LIB_CTX *libctx, | |
133 | const char *propq) | |
10315851 RL |
134 | { |
135 | const unsigned char *in_saved = *in; | |
2b049e93 | 136 | size_t publen; |
10315851 RL |
137 | X509_PUBKEY *pubkey; |
138 | int ret; | |
139 | OSSL_DECODER_CTX *dctx = NULL; | |
2b049e93 | 140 | unsigned char *tmpbuf = NULL; |
10315851 | 141 | |
c6313780 | 142 | if (*pval == NULL && !x509_pubkey_ex_new_ex(pval, it, libctx, propq)) |
10315851 RL |
143 | return 0; |
144 | if (!x509_pubkey_ex_populate(pval, NULL)) { | |
e077455e | 145 | ERR_raise(ERR_LIB_ASN1, ERR_R_X509_LIB); |
10315851 RL |
146 | return 0; |
147 | } | |
148 | ||
149 | /* This ensures that |*in| advances properly no matter what */ | |
150 | if ((ret = ASN1_item_ex_d2i(pval, in, len, | |
151 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
152 | tag, aclass, opt, ctx)) <= 0) | |
153 | return ret; | |
154 | ||
2b049e93 MC |
155 | publen = *in - in_saved; |
156 | if (!ossl_assert(publen > 0)) { | |
157 | ERR_raise(ERR_LIB_ASN1, ERR_R_INTERNAL_ERROR); | |
158 | return 0; | |
159 | } | |
160 | ||
10315851 RL |
161 | pubkey = (X509_PUBKEY *)*pval; |
162 | EVP_PKEY_free(pubkey->pkey); | |
163 | pubkey->pkey = NULL; | |
164 | ||
165 | /* | |
166 | * Opportunistically decode the key but remove any non fatal errors | |
167 | * from the queue. Subsequent explicit attempts to decode/use the key | |
168 | * will return an appropriate error. | |
169 | */ | |
170 | ERR_set_mark(); | |
171 | ||
172 | /* | |
173 | * Try to decode with legacy method first. This ensures that engines | |
e304aa87 | 174 | * aren't overridden by providers. |
10315851 RL |
175 | */ |
176 | if ((ret = x509_pubkey_decode(&pubkey->pkey, pubkey)) == -1) { | |
177 | /* -1 indicates a fatal error, like malloc failure */ | |
178 | ERR_clear_last_mark(); | |
179 | goto end; | |
180 | } | |
181 | ||
182 | /* Try to decode it into an EVP_PKEY with OSSL_DECODER */ | |
183 | if (ret <= 0 && !pubkey->flag_force_legacy) { | |
2b049e93 | 184 | const unsigned char *p; |
10315851 | 185 | char txtoidname[OSSL_MAX_NAME_SIZE]; |
f8da1d80 | 186 | size_t slen = publen; |
10315851 | 187 | |
2b049e93 MC |
188 | /* |
189 | * The decoders don't know how to handle anything other than Universal | |
190 | * class so we modify the data accordingly. | |
191 | */ | |
192 | if (aclass != V_ASN1_UNIVERSAL) { | |
193 | tmpbuf = OPENSSL_memdup(in_saved, publen); | |
e077455e | 194 | if (tmpbuf == NULL) |
2b049e93 | 195 | return 0; |
2b049e93 MC |
196 | in_saved = tmpbuf; |
197 | *tmpbuf = V_ASN1_CONSTRUCTED | V_ASN1_SEQUENCE; | |
198 | } | |
199 | p = in_saved; | |
200 | ||
10315851 RL |
201 | if (OBJ_obj2txt(txtoidname, sizeof(txtoidname), |
202 | pubkey->algor->algorithm, 0) <= 0) { | |
66066e1b | 203 | ERR_clear_last_mark(); |
10315851 | 204 | goto end; |
66066e1b | 205 | } |
10315851 RL |
206 | if ((dctx = |
207 | OSSL_DECODER_CTX_new_for_pkey(&pubkey->pkey, | |
208 | "DER", "SubjectPublicKeyInfo", | |
209 | txtoidname, EVP_PKEY_PUBLIC_KEY, | |
210 | pubkey->libctx, | |
211 | pubkey->propq)) != NULL) | |
212 | /* | |
213 | * As said higher up, we're being opportunistic. In other words, | |
f8da1d80 | 214 | * we don't care if we fail. |
10315851 | 215 | */ |
f8da1d80 MC |
216 | if (OSSL_DECODER_from_data(dctx, &p, &slen)) { |
217 | if (slen != 0) { | |
218 | /* | |
219 | * If we successfully decoded then we *must* consume all the | |
220 | * bytes. | |
221 | */ | |
222 | ERR_clear_last_mark(); | |
223 | ERR_raise(ERR_LIB_ASN1, EVP_R_DECODE_ERROR); | |
224 | goto end; | |
225 | } | |
226 | } | |
0f113f3e | 227 | } |
10315851 RL |
228 | |
229 | ERR_pop_to_mark(); | |
230 | ret = 1; | |
231 | end: | |
232 | OSSL_DECODER_CTX_free(dctx); | |
2b049e93 | 233 | OPENSSL_free(tmpbuf); |
10315851 | 234 | return ret; |
0f113f3e | 235 | } |
d02b48c6 | 236 | |
10315851 RL |
237 | static int x509_pubkey_ex_i2d(const ASN1_VALUE **pval, unsigned char **out, |
238 | const ASN1_ITEM *it, int tag, int aclass) | |
239 | { | |
240 | return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), | |
241 | tag, aclass); | |
242 | } | |
243 | ||
244 | static int x509_pubkey_ex_print(BIO *out, const ASN1_VALUE **pval, int indent, | |
245 | const char *fname, const ASN1_PCTX *pctx) | |
246 | { | |
247 | return ASN1_item_print(out, *pval, indent, | |
248 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL), pctx); | |
249 | } | |
250 | ||
251 | static const ASN1_EXTERN_FUNCS x509_pubkey_ff = { | |
252 | NULL, | |
c8a9af97 | 253 | NULL, |
10315851 RL |
254 | x509_pubkey_ex_free, |
255 | 0, /* Default clear behaviour is OK */ | |
c6313780 | 256 | NULL, |
10315851 | 257 | x509_pubkey_ex_i2d, |
c8a9af97 MC |
258 | x509_pubkey_ex_print, |
259 | x509_pubkey_ex_new_ex, | |
c6313780 | 260 | x509_pubkey_ex_d2i_ex, |
10315851 | 261 | }; |
d02b48c6 | 262 | |
10315851 | 263 | IMPLEMENT_EXTERN_ASN1(X509_PUBKEY, V_ASN1_SEQUENCE, x509_pubkey_ff) |
9d6b1ce6 | 264 | IMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY) |
10315851 | 265 | |
d6ded941 MC |
266 | X509_PUBKEY *X509_PUBKEY_new_ex(OSSL_LIB_CTX *libctx, const char *propq) |
267 | { | |
268 | X509_PUBKEY *pubkey = NULL; | |
269 | ||
c8a9af97 | 270 | pubkey = (X509_PUBKEY *)ASN1_item_new_ex(X509_PUBKEY_it(), libctx, propq); |
d6ded941 MC |
271 | if (!x509_pubkey_set0_libctx(pubkey, libctx, propq)) { |
272 | X509_PUBKEY_free(pubkey); | |
273 | pubkey = NULL; | |
274 | } | |
275 | return pubkey; | |
276 | } | |
277 | ||
10315851 RL |
278 | /* |
279 | * X509_PUBKEY_dup() must be implemented manually, because there is no | |
280 | * support for it in ASN1_EXTERN_FUNCS. | |
281 | */ | |
282 | X509_PUBKEY *X509_PUBKEY_dup(const X509_PUBKEY *a) | |
283 | { | |
e7aa284e P |
284 | X509_PUBKEY *pubkey = OPENSSL_zalloc(sizeof(*pubkey)); |
285 | ||
e077455e RL |
286 | if (pubkey == NULL) |
287 | return NULL; | |
288 | if (!x509_pubkey_set0_libctx(pubkey, a->libctx, a->propq)) { | |
289 | ERR_raise(ERR_LIB_X509, ERR_R_X509_LIB); | |
290 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, | |
291 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
292 | return NULL; | |
293 | } | |
294 | if ((pubkey->algor = X509_ALGOR_dup(a->algor)) == NULL | |
295 | || (pubkey->public_key = ASN1_BIT_STRING_new()) == NULL | |
296 | || !ASN1_BIT_STRING_set(pubkey->public_key, | |
297 | a->public_key->data, | |
298 | a->public_key->length)) { | |
10315851 RL |
299 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, |
300 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
e077455e | 301 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
10315851 RL |
302 | return NULL; |
303 | } | |
7e35458b TM |
304 | |
305 | if (a->pkey != NULL) { | |
306 | ERR_set_mark(); | |
307 | pubkey->pkey = EVP_PKEY_dup(a->pkey); | |
308 | if (pubkey->pkey == NULL) { | |
309 | pubkey->flag_force_legacy = 1; | |
310 | if (x509_pubkey_decode(&pubkey->pkey, pubkey) <= 0) { | |
311 | x509_pubkey_ex_free((ASN1_VALUE **)&pubkey, | |
312 | ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL)); | |
313 | ERR_clear_last_mark(); | |
314 | return NULL; | |
315 | } | |
316 | } | |
317 | ERR_pop_to_mark(); | |
318 | } | |
10315851 RL |
319 | return pubkey; |
320 | } | |
d02b48c6 | 321 | |
6b691a5c | 322 | int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey) |
0f113f3e MC |
323 | { |
324 | X509_PUBKEY *pk = NULL; | |
325 | ||
7836f949 DDO |
326 | if (x == NULL || pkey == NULL) { |
327 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
26a7d938 | 328 | return 0; |
7836f949 | 329 | } |
0f113f3e | 330 | |
e56ba0e1 RL |
331 | if (pkey->ameth != NULL) { |
332 | if ((pk = X509_PUBKEY_new()) == NULL) { | |
e077455e | 333 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
e56ba0e1 RL |
334 | goto error; |
335 | } | |
336 | if (pkey->ameth->pub_encode != NULL) { | |
0f113f3e | 337 | if (!pkey->ameth->pub_encode(pk, pkey)) { |
9311d0c4 | 338 | ERR_raise(ERR_LIB_X509, X509_R_PUBLIC_KEY_ENCODE_ERROR); |
0f113f3e MC |
339 | goto error; |
340 | } | |
341 | } else { | |
9311d0c4 | 342 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
343 | goto error; |
344 | } | |
113adc1f | 345 | } else if (evp_pkey_is_provided(pkey)) { |
113adc1f RL |
346 | unsigned char *der = NULL; |
347 | size_t derlen = 0; | |
ece9304c | 348 | OSSL_ENCODER_CTX *ectx = |
fe75766c TM |
349 | OSSL_ENCODER_CTX_new_for_pkey(pkey, EVP_PKEY_PUBLIC_KEY, |
350 | "DER", "SubjectPublicKeyInfo", | |
351 | NULL); | |
e56ba0e1 | 352 | |
113adc1f RL |
353 | if (OSSL_ENCODER_to_data(ectx, &der, &derlen)) { |
354 | const unsigned char *pder = der; | |
e56ba0e1 | 355 | |
113adc1f | 356 | pk = d2i_X509_PUBKEY(NULL, &pder, (long)derlen); |
e56ba0e1 RL |
357 | } |
358 | ||
ece9304c | 359 | OSSL_ENCODER_CTX_free(ectx); |
113adc1f | 360 | OPENSSL_free(der); |
0f113f3e MC |
361 | } |
362 | ||
7836f949 DDO |
363 | if (pk == NULL) { |
364 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); | |
365 | goto error; | |
366 | } | |
e56ba0e1 | 367 | |
222561fe | 368 | X509_PUBKEY_free(*x); |
e56ba0e1 | 369 | if (!EVP_PKEY_up_ref(pkey)) { |
9311d0c4 | 370 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e56ba0e1 RL |
371 | goto error; |
372 | } | |
0f113f3e | 373 | *x = pk; |
a076951b RL |
374 | |
375 | /* | |
376 | * pk->pkey is NULL when using the legacy routine, but is non-NULL when | |
ece9304c | 377 | * going through the encoder, and for all intents and purposes, it's |
0d5bbaaa MC |
378 | * a perfect copy of the public key portions of |pkey|, just not the same |
379 | * instance. If that's all there was to pkey then we could simply return | |
380 | * early, right here. However, some application might very well depend on | |
381 | * the passed |pkey| being used and none other, so we spend a few more | |
382 | * cycles throwing away the newly created |pk->pkey| and replace it with | |
383 | * |pkey|. | |
a076951b RL |
384 | */ |
385 | if (pk->pkey != NULL) | |
386 | EVP_PKEY_free(pk->pkey); | |
387 | ||
fa0a9d71 | 388 | pk->pkey = pkey; |
e56ba0e1 RL |
389 | return 1; |
390 | ||
0f113f3e | 391 | error: |
222561fe | 392 | X509_PUBKEY_free(pk); |
0f113f3e MC |
393 | return 0; |
394 | } | |
d02b48c6 | 395 | |
fa0a9d71 DSH |
396 | /* |
397 | * Attempt to decode a public key. | |
398 | * Returns 1 on success, 0 for a decode failure and -1 for a fatal | |
399 | * error e.g. malloc failure. | |
10315851 RL |
400 | * |
401 | * This function is #legacy. | |
fa0a9d71 | 402 | */ |
7674e923 | 403 | static int x509_pubkey_decode(EVP_PKEY **ppkey, const X509_PUBKEY *key) |
7fcdbd83 | 404 | { |
29bf83c8 MC |
405 | EVP_PKEY *pkey; |
406 | int nid; | |
407 | ||
408 | nid = OBJ_obj2nid(key->algor->algorithm); | |
409 | if (!key->flag_force_legacy) { | |
410 | #ifndef OPENSSL_NO_ENGINE | |
411 | ENGINE *e = NULL; | |
412 | ||
413 | e = ENGINE_get_pkey_meth_engine(nid); | |
414 | if (e == NULL) | |
415 | return 0; | |
416 | ENGINE_finish(e); | |
417 | #else | |
418 | return 0; | |
419 | #endif | |
420 | } | |
0f113f3e | 421 | |
29bf83c8 | 422 | pkey = EVP_PKEY_new(); |
fa0a9d71 | 423 | if (pkey == NULL) { |
e077455e | 424 | ERR_raise(ERR_LIB_X509, ERR_R_EVP_LIB); |
fa0a9d71 | 425 | return -1; |
0f113f3e MC |
426 | } |
427 | ||
29bf83c8 | 428 | if (!EVP_PKEY_set_type(pkey, nid)) { |
9311d0c4 | 429 | ERR_raise(ERR_LIB_X509, X509_R_UNSUPPORTED_ALGORITHM); |
0f113f3e MC |
430 | goto error; |
431 | } | |
432 | ||
fa0a9d71 DSH |
433 | if (pkey->ameth->pub_decode) { |
434 | /* | |
435 | * Treat any failure of pub_decode as a decode error. In | |
436 | * future we could have different return codes for decode | |
437 | * errors and fatal errors such as malloc failure. | |
438 | */ | |
66066e1b | 439 | if (!pkey->ameth->pub_decode(pkey, key)) |
0f113f3e | 440 | goto error; |
0f113f3e | 441 | } else { |
9311d0c4 | 442 | ERR_raise(ERR_LIB_X509, X509_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
443 | goto error; |
444 | } | |
445 | ||
fa0a9d71 DSH |
446 | *ppkey = pkey; |
447 | return 1; | |
0f113f3e MC |
448 | |
449 | error: | |
fa0a9d71 DSH |
450 | EVP_PKEY_free(pkey); |
451 | return 0; | |
452 | } | |
453 | ||
7674e923 | 454 | EVP_PKEY *X509_PUBKEY_get0(const X509_PUBKEY *key) |
fa0a9d71 | 455 | { |
1df8322c MC |
456 | if (key == NULL) { |
457 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
fa0a9d71 | 458 | return NULL; |
1df8322c | 459 | } |
fa0a9d71 | 460 | |
1df8322c MC |
461 | if (key->pkey == NULL) { |
462 | /* We failed to decode the key when we loaded it, or it was never set */ | |
463 | ERR_raise(ERR_LIB_EVP, EVP_R_DECODE_ERROR); | |
464 | return NULL; | |
fa0a9d71 DSH |
465 | } |
466 | ||
1df8322c | 467 | return key->pkey; |
0f113f3e MC |
468 | } |
469 | ||
7674e923 | 470 | EVP_PKEY *X509_PUBKEY_get(const X509_PUBKEY *key) |
c01ff880 DSH |
471 | { |
472 | EVP_PKEY *ret = X509_PUBKEY_get0(key); | |
e9e7b5df BE |
473 | |
474 | if (ret != NULL && !EVP_PKEY_up_ref(ret)) { | |
9311d0c4 | 475 | ERR_raise(ERR_LIB_X509, ERR_R_INTERNAL_ERROR); |
e9e7b5df BE |
476 | ret = NULL; |
477 | } | |
c01ff880 DSH |
478 | return ret; |
479 | } | |
480 | ||
0f113f3e | 481 | /* |
22b81444 RL |
482 | * Now three pseudo ASN1 routines that take an EVP_PKEY structure and encode |
483 | * or decode as X509_PUBKEY | |
52664f50 | 484 | */ |
10315851 RL |
485 | static EVP_PKEY *d2i_PUBKEY_int(EVP_PKEY **a, |
486 | const unsigned char **pp, long length, | |
487 | OSSL_LIB_CTX *libctx, const char *propq, | |
488 | unsigned int force_legacy, | |
489 | X509_PUBKEY * | |
490 | (*d2i_x509_pubkey)(X509_PUBKEY **a, | |
491 | const unsigned char **in, | |
492 | long len)) | |
0f113f3e | 493 | { |
22b81444 RL |
494 | X509_PUBKEY *xpk, *xpk2 = NULL, **pxpk = NULL; |
495 | EVP_PKEY *pktmp = NULL; | |
a46c9789 | 496 | const unsigned char *q; |
12a765a5 | 497 | |
a46c9789 | 498 | q = *pp; |
22b81444 RL |
499 | |
500 | /* | |
501 | * If libctx or propq are non-NULL, we take advantage of the reuse | |
502 | * feature. It's not generally recommended, but is safe enough for | |
503 | * newly created structures. | |
504 | */ | |
10315851 | 505 | if (libctx != NULL || propq != NULL || force_legacy) { |
22b81444 | 506 | xpk2 = OPENSSL_zalloc(sizeof(*xpk2)); |
e077455e | 507 | if (xpk2 == NULL) |
22b81444 | 508 | return NULL; |
637dce3c SL |
509 | if (!x509_pubkey_set0_libctx(xpk2, libctx, propq)) |
510 | goto end; | |
10315851 | 511 | xpk2->flag_force_legacy = !!force_legacy; |
22b81444 RL |
512 | pxpk = &xpk2; |
513 | } | |
10315851 | 514 | xpk = d2i_x509_pubkey(pxpk, &q, length); |
12a765a5 | 515 | if (xpk == NULL) |
22b81444 | 516 | goto end; |
0f113f3e MC |
517 | pktmp = X509_PUBKEY_get(xpk); |
518 | X509_PUBKEY_free(xpk); | |
22b81444 | 519 | xpk2 = NULL; /* We know that xpk == xpk2 */ |
12a765a5 | 520 | if (pktmp == NULL) |
22b81444 | 521 | goto end; |
a46c9789 | 522 | *pp = q; |
12a765a5 | 523 | if (a != NULL) { |
0f113f3e MC |
524 | EVP_PKEY_free(*a); |
525 | *a = pktmp; | |
526 | } | |
22b81444 RL |
527 | end: |
528 | X509_PUBKEY_free(xpk2); | |
0f113f3e MC |
529 | return pktmp; |
530 | } | |
52664f50 | 531 | |
10315851 | 532 | /* For the algorithm specific d2i functions further down */ |
b2f1b365 MC |
533 | EVP_PKEY *ossl_d2i_PUBKEY_legacy(EVP_PKEY **a, const unsigned char **pp, |
534 | long length) | |
10315851 RL |
535 | { |
536 | return d2i_PUBKEY_int(a, pp, length, NULL, NULL, 1, d2i_X509_PUBKEY); | |
537 | } | |
538 | ||
539 | EVP_PKEY *d2i_PUBKEY_ex(EVP_PKEY **a, const unsigned char **pp, long length, | |
540 | OSSL_LIB_CTX *libctx, const char *propq) | |
541 | { | |
542 | return d2i_PUBKEY_int(a, pp, length, libctx, propq, 0, d2i_X509_PUBKEY); | |
543 | } | |
544 | ||
22b81444 RL |
545 | EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length) |
546 | { | |
547 | return d2i_PUBKEY_ex(a, pp, length, NULL, NULL); | |
548 | } | |
549 | ||
9fdcc21f | 550 | int i2d_PUBKEY(const EVP_PKEY *a, unsigned char **pp) |
0f113f3e | 551 | { |
9fdcc21f DO |
552 | int ret = -1; |
553 | ||
554 | if (a == NULL) | |
0f113f3e | 555 | return 0; |
cdb16632 RL |
556 | if (a->ameth != NULL) { |
557 | X509_PUBKEY *xpk = NULL; | |
558 | ||
559 | if ((xpk = X509_PUBKEY_new()) == NULL) | |
560 | return -1; | |
561 | ||
562 | /* pub_encode() only encode parameters, not the key itself */ | |
563 | if (a->ameth->pub_encode != NULL && a->ameth->pub_encode(xpk, a)) { | |
564 | xpk->pkey = (EVP_PKEY *)a; | |
565 | ret = i2d_X509_PUBKEY(xpk, pp); | |
566 | xpk->pkey = NULL; | |
567 | } | |
568 | X509_PUBKEY_free(xpk); | |
3c6ed955 | 569 | } else if (a->keymgmt != NULL) { |
ece9304c | 570 | OSSL_ENCODER_CTX *ctx = |
fe75766c TM |
571 | OSSL_ENCODER_CTX_new_for_pkey(a, EVP_PKEY_PUBLIC_KEY, |
572 | "DER", "SubjectPublicKeyInfo", | |
573 | NULL); | |
cdb16632 RL |
574 | BIO *out = BIO_new(BIO_s_mem()); |
575 | BUF_MEM *buf = NULL; | |
576 | ||
97bb8dff | 577 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0 |
cdb16632 | 578 | && out != NULL |
ece9304c | 579 | && OSSL_ENCODER_to_bio(ctx, out) |
cdb16632 RL |
580 | && BIO_get_mem_ptr(out, &buf) > 0) { |
581 | ret = buf->length; | |
582 | ||
583 | if (pp != NULL) { | |
584 | if (*pp == NULL) { | |
585 | *pp = (unsigned char *)buf->data; | |
586 | buf->length = 0; | |
587 | buf->data = NULL; | |
588 | } else { | |
589 | memcpy(*pp, buf->data, ret); | |
590 | *pp += ret; | |
591 | } | |
592 | } | |
593 | } | |
594 | BIO_free(out); | |
ece9304c | 595 | OSSL_ENCODER_CTX_free(ctx); |
cdb16632 RL |
596 | } |
597 | ||
0f113f3e MC |
598 | return ret; |
599 | } | |
600 | ||
601 | /* | |
602 | * The following are equivalents but which return RSA and DSA keys | |
52664f50 | 603 | */ |
0f113f3e MC |
604 | RSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, long length) |
605 | { | |
606 | EVP_PKEY *pkey; | |
06f67612 | 607 | RSA *key = NULL; |
0f113f3e | 608 | const unsigned char *q; |
12a765a5 | 609 | |
0f113f3e | 610 | q = *pp; |
b2f1b365 | 611 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 612 | if (pkey == NULL) |
0f113f3e MC |
613 | return NULL; |
614 | key = EVP_PKEY_get1_RSA(pkey); | |
615 | EVP_PKEY_free(pkey); | |
12a765a5 | 616 | if (key == NULL) |
0f113f3e MC |
617 | return NULL; |
618 | *pp = q; | |
12a765a5 | 619 | if (a != NULL) { |
0f113f3e MC |
620 | RSA_free(*a); |
621 | *a = key; | |
622 | } | |
623 | return key; | |
624 | } | |
52664f50 | 625 | |
9fdcc21f | 626 | int i2d_RSA_PUBKEY(const RSA *a, unsigned char **pp) |
0f113f3e MC |
627 | { |
628 | EVP_PKEY *pktmp; | |
629 | int ret; | |
630 | if (!a) | |
631 | return 0; | |
632 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 633 | if (pktmp == NULL) { |
e077455e | 634 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 635 | return -1; |
0f113f3e | 636 | } |
9fdcc21f | 637 | (void)EVP_PKEY_assign_RSA(pktmp, (RSA *)a); |
0f113f3e | 638 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 639 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
640 | EVP_PKEY_free(pktmp); |
641 | return ret; | |
642 | } | |
52664f50 | 643 | |
06f67612 RL |
644 | #ifndef OPENSSL_NO_DH |
645 | DH *ossl_d2i_DH_PUBKEY(DH **a, const unsigned char **pp, long length) | |
646 | { | |
647 | EVP_PKEY *pkey; | |
648 | DH *key = NULL; | |
649 | const unsigned char *q; | |
650 | ||
651 | q = *pp; | |
b2f1b365 | 652 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
653 | if (pkey == NULL) |
654 | return NULL; | |
ed576acd | 655 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DH) |
06f67612 RL |
656 | key = EVP_PKEY_get1_DH(pkey); |
657 | EVP_PKEY_free(pkey); | |
658 | if (key == NULL) | |
659 | return NULL; | |
660 | *pp = q; | |
661 | if (a != NULL) { | |
662 | DH_free(*a); | |
663 | *a = key; | |
664 | } | |
665 | return key; | |
666 | } | |
667 | ||
668 | int ossl_i2d_DH_PUBKEY(const DH *a, unsigned char **pp) | |
669 | { | |
670 | EVP_PKEY *pktmp; | |
671 | int ret; | |
672 | if (!a) | |
673 | return 0; | |
674 | pktmp = EVP_PKEY_new(); | |
675 | if (pktmp == NULL) { | |
e077455e | 676 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
677 | return -1; |
678 | } | |
679 | (void)EVP_PKEY_assign_DH(pktmp, (DH *)a); | |
680 | ret = i2d_PUBKEY(pktmp, pp); | |
681 | pktmp->pkey.ptr = NULL; | |
682 | EVP_PKEY_free(pktmp); | |
683 | return ret; | |
684 | } | |
685 | ||
686 | DH *ossl_d2i_DHx_PUBKEY(DH **a, const unsigned char **pp, long length) | |
687 | { | |
688 | EVP_PKEY *pkey; | |
689 | DH *key = NULL; | |
690 | const unsigned char *q; | |
691 | ||
692 | q = *pp; | |
b2f1b365 | 693 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
694 | if (pkey == NULL) |
695 | return NULL; | |
ed576acd | 696 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_DHX) |
06f67612 RL |
697 | key = EVP_PKEY_get1_DH(pkey); |
698 | EVP_PKEY_free(pkey); | |
699 | if (key == NULL) | |
700 | return NULL; | |
701 | *pp = q; | |
702 | if (a != NULL) { | |
703 | DH_free(*a); | |
704 | *a = key; | |
705 | } | |
706 | return key; | |
707 | } | |
708 | ||
709 | int ossl_i2d_DHx_PUBKEY(const DH *a, unsigned char **pp) | |
710 | { | |
711 | EVP_PKEY *pktmp; | |
712 | int ret; | |
713 | if (!a) | |
714 | return 0; | |
715 | pktmp = EVP_PKEY_new(); | |
716 | if (pktmp == NULL) { | |
e077455e | 717 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
718 | return -1; |
719 | } | |
720 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_DHX, (DH *)a); | |
721 | ret = i2d_PUBKEY(pktmp, pp); | |
722 | pktmp->pkey.ptr = NULL; | |
723 | EVP_PKEY_free(pktmp); | |
724 | return ret; | |
725 | } | |
726 | #endif | |
727 | ||
cf1b7d96 | 728 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
729 | DSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) |
730 | { | |
731 | EVP_PKEY *pkey; | |
06f67612 | 732 | DSA *key = NULL; |
0f113f3e | 733 | const unsigned char *q; |
12a765a5 | 734 | |
0f113f3e | 735 | q = *pp; |
b2f1b365 | 736 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 737 | if (pkey == NULL) |
0f113f3e MC |
738 | return NULL; |
739 | key = EVP_PKEY_get1_DSA(pkey); | |
740 | EVP_PKEY_free(pkey); | |
12a765a5 | 741 | if (key == NULL) |
0f113f3e MC |
742 | return NULL; |
743 | *pp = q; | |
12a765a5 | 744 | if (a != NULL) { |
0f113f3e MC |
745 | DSA_free(*a); |
746 | *a = key; | |
747 | } | |
748 | return key; | |
749 | } | |
52664f50 | 750 | |
604247bf TM |
751 | /* Called from decoders; disallows provided DSA keys without parameters. */ |
752 | DSA *ossl_d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) | |
753 | { | |
754 | DSA *key = NULL; | |
755 | const unsigned char *data; | |
756 | const BIGNUM *p, *q, *g; | |
757 | ||
758 | data = *pp; | |
759 | key = d2i_DSA_PUBKEY(NULL, &data, length); | |
760 | if (key == NULL) | |
761 | return NULL; | |
762 | DSA_get0_pqg(key, &p, &q, &g); | |
763 | if (p == NULL || q == NULL || g == NULL) { | |
764 | DSA_free(key); | |
765 | return NULL; | |
766 | } | |
767 | *pp = data; | |
768 | if (a != NULL) { | |
769 | DSA_free(*a); | |
770 | *a = key; | |
771 | } | |
772 | return key; | |
773 | } | |
774 | ||
9fdcc21f | 775 | int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp) |
0f113f3e MC |
776 | { |
777 | EVP_PKEY *pktmp; | |
778 | int ret; | |
779 | if (!a) | |
780 | return 0; | |
781 | pktmp = EVP_PKEY_new(); | |
90945fa3 | 782 | if (pktmp == NULL) { |
e077455e | 783 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 784 | return -1; |
0f113f3e | 785 | } |
9fdcc21f | 786 | (void)EVP_PKEY_assign_DSA(pktmp, (DSA *)a); |
0f113f3e | 787 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 788 | pktmp->pkey.ptr = NULL; |
0f113f3e MC |
789 | EVP_PKEY_free(pktmp); |
790 | return ret; | |
791 | } | |
4d94ae00 BM |
792 | #endif |
793 | ||
14a7cfb3 | 794 | #ifndef OPENSSL_NO_EC |
6343829a | 795 | EC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length) |
0f113f3e MC |
796 | { |
797 | EVP_PKEY *pkey; | |
06f67612 | 798 | EC_KEY *key = NULL; |
0f113f3e | 799 | const unsigned char *q; |
b4c4a2c6 | 800 | int type; |
12a765a5 | 801 | |
0f113f3e | 802 | q = *pp; |
b2f1b365 | 803 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
12a765a5 | 804 | if (pkey == NULL) |
26a7d938 | 805 | return NULL; |
ed576acd | 806 | type = EVP_PKEY_get_id(pkey); |
b4c4a2c6 | 807 | if (type == EVP_PKEY_EC || type == EVP_PKEY_SM2) |
06f67612 | 808 | key = EVP_PKEY_get1_EC_KEY(pkey); |
0f113f3e | 809 | EVP_PKEY_free(pkey); |
12a765a5 | 810 | if (key == NULL) |
26a7d938 | 811 | return NULL; |
0f113f3e | 812 | *pp = q; |
12a765a5 | 813 | if (a != NULL) { |
0f113f3e MC |
814 | EC_KEY_free(*a); |
815 | *a = key; | |
816 | } | |
26a7d938 | 817 | return key; |
0f113f3e | 818 | } |
4d94ae00 | 819 | |
9fdcc21f | 820 | int i2d_EC_PUBKEY(const EC_KEY *a, unsigned char **pp) |
0f113f3e MC |
821 | { |
822 | EVP_PKEY *pktmp; | |
823 | int ret; | |
12a765a5 RS |
824 | |
825 | if (a == NULL) | |
26a7d938 | 826 | return 0; |
0f113f3e | 827 | if ((pktmp = EVP_PKEY_new()) == NULL) { |
e077455e | 828 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
157997f0 | 829 | return -1; |
0f113f3e | 830 | } |
9fdcc21f | 831 | (void)EVP_PKEY_assign_EC_KEY(pktmp, (EC_KEY *)a); |
0f113f3e | 832 | ret = i2d_PUBKEY(pktmp, pp); |
9fdcc21f | 833 | pktmp->pkey.ptr = NULL; |
0f113f3e | 834 | EVP_PKEY_free(pktmp); |
26a7d938 | 835 | return ret; |
0f113f3e | 836 | } |
06f67612 | 837 | |
4032cd9a | 838 | # ifndef OPENSSL_NO_ECX |
06f67612 RL |
839 | ECX_KEY *ossl_d2i_ED25519_PUBKEY(ECX_KEY **a, |
840 | const unsigned char **pp, long length) | |
841 | { | |
842 | EVP_PKEY *pkey; | |
843 | ECX_KEY *key = NULL; | |
844 | const unsigned char *q; | |
845 | ||
846 | q = *pp; | |
b2f1b365 | 847 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
848 | if (pkey == NULL) |
849 | return NULL; | |
850 | key = ossl_evp_pkey_get1_ED25519(pkey); | |
851 | EVP_PKEY_free(pkey); | |
852 | if (key == NULL) | |
853 | return NULL; | |
854 | *pp = q; | |
855 | if (a != NULL) { | |
856 | ossl_ecx_key_free(*a); | |
857 | *a = key; | |
858 | } | |
859 | return key; | |
860 | } | |
861 | ||
862 | int ossl_i2d_ED25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
863 | { | |
864 | EVP_PKEY *pktmp; | |
865 | int ret; | |
866 | ||
867 | if (a == NULL) | |
868 | return 0; | |
869 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 870 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
871 | return -1; |
872 | } | |
873 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED25519, (ECX_KEY *)a); | |
874 | ret = i2d_PUBKEY(pktmp, pp); | |
875 | pktmp->pkey.ptr = NULL; | |
876 | EVP_PKEY_free(pktmp); | |
877 | return ret; | |
878 | } | |
879 | ||
880 | ECX_KEY *ossl_d2i_ED448_PUBKEY(ECX_KEY **a, | |
881 | const unsigned char **pp, long length) | |
882 | { | |
883 | EVP_PKEY *pkey; | |
884 | ECX_KEY *key = NULL; | |
885 | const unsigned char *q; | |
886 | ||
887 | q = *pp; | |
b2f1b365 | 888 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
889 | if (pkey == NULL) |
890 | return NULL; | |
ed576acd | 891 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_ED448) |
06f67612 RL |
892 | key = ossl_evp_pkey_get1_ED448(pkey); |
893 | EVP_PKEY_free(pkey); | |
894 | if (key == NULL) | |
895 | return NULL; | |
896 | *pp = q; | |
897 | if (a != NULL) { | |
898 | ossl_ecx_key_free(*a); | |
899 | *a = key; | |
900 | } | |
901 | return key; | |
902 | } | |
903 | ||
904 | int ossl_i2d_ED448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
905 | { | |
906 | EVP_PKEY *pktmp; | |
907 | int ret; | |
908 | ||
909 | if (a == NULL) | |
910 | return 0; | |
911 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 912 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
913 | return -1; |
914 | } | |
915 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_ED448, (ECX_KEY *)a); | |
916 | ret = i2d_PUBKEY(pktmp, pp); | |
917 | pktmp->pkey.ptr = NULL; | |
918 | EVP_PKEY_free(pktmp); | |
919 | return ret; | |
920 | } | |
921 | ||
922 | ECX_KEY *ossl_d2i_X25519_PUBKEY(ECX_KEY **a, | |
923 | const unsigned char **pp, long length) | |
924 | { | |
925 | EVP_PKEY *pkey; | |
926 | ECX_KEY *key = NULL; | |
927 | const unsigned char *q; | |
928 | ||
929 | q = *pp; | |
b2f1b365 | 930 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
931 | if (pkey == NULL) |
932 | return NULL; | |
ed576acd | 933 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X25519) |
06f67612 RL |
934 | key = ossl_evp_pkey_get1_X25519(pkey); |
935 | EVP_PKEY_free(pkey); | |
936 | if (key == NULL) | |
937 | return NULL; | |
938 | *pp = q; | |
939 | if (a != NULL) { | |
940 | ossl_ecx_key_free(*a); | |
941 | *a = key; | |
942 | } | |
943 | return key; | |
944 | } | |
945 | ||
946 | int ossl_i2d_X25519_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
947 | { | |
948 | EVP_PKEY *pktmp; | |
949 | int ret; | |
950 | ||
951 | if (a == NULL) | |
952 | return 0; | |
953 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 954 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
955 | return -1; |
956 | } | |
957 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X25519, (ECX_KEY *)a); | |
958 | ret = i2d_PUBKEY(pktmp, pp); | |
959 | pktmp->pkey.ptr = NULL; | |
960 | EVP_PKEY_free(pktmp); | |
961 | return ret; | |
962 | } | |
963 | ||
964 | ECX_KEY *ossl_d2i_X448_PUBKEY(ECX_KEY **a, | |
965 | const unsigned char **pp, long length) | |
966 | { | |
967 | EVP_PKEY *pkey; | |
968 | ECX_KEY *key = NULL; | |
969 | const unsigned char *q; | |
970 | ||
971 | q = *pp; | |
b2f1b365 | 972 | pkey = ossl_d2i_PUBKEY_legacy(NULL, &q, length); |
06f67612 RL |
973 | if (pkey == NULL) |
974 | return NULL; | |
ed576acd | 975 | if (EVP_PKEY_get_id(pkey) == EVP_PKEY_X448) |
06f67612 RL |
976 | key = ossl_evp_pkey_get1_X448(pkey); |
977 | EVP_PKEY_free(pkey); | |
978 | if (key == NULL) | |
979 | return NULL; | |
980 | *pp = q; | |
981 | if (a != NULL) { | |
982 | ossl_ecx_key_free(*a); | |
983 | *a = key; | |
984 | } | |
985 | return key; | |
986 | } | |
987 | ||
988 | int ossl_i2d_X448_PUBKEY(const ECX_KEY *a, unsigned char **pp) | |
989 | { | |
990 | EVP_PKEY *pktmp; | |
991 | int ret; | |
992 | ||
993 | if (a == NULL) | |
994 | return 0; | |
995 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
e077455e | 996 | ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB); |
06f67612 RL |
997 | return -1; |
998 | } | |
999 | (void)EVP_PKEY_assign(pktmp, EVP_PKEY_X448, (ECX_KEY *)a); | |
1000 | ret = i2d_PUBKEY(pktmp, pp); | |
1001 | pktmp->pkey.ptr = NULL; | |
1002 | EVP_PKEY_free(pktmp); | |
1003 | return ret; | |
1004 | } | |
1005 | ||
4032cd9a | 1006 | # endif /* OPENSSL_NO_ECX */ |
12aefe78 | 1007 | #endif |
448be743 | 1008 | |
9df71587 DDO |
1009 | void X509_PUBKEY_set0_public_key(X509_PUBKEY *pub, |
1010 | unsigned char *penc, int penclen) | |
1011 | { | |
33847508 | 1012 | ASN1_STRING_set0(pub->public_key, penc, penclen); |
7c310e87 | 1013 | ossl_asn1_string_set_bits_left(pub->public_key, 0); |
9df71587 DDO |
1014 | } |
1015 | ||
448be743 | 1016 | int X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj, |
0f113f3e MC |
1017 | int ptype, void *pval, |
1018 | unsigned char *penc, int penclen) | |
1019 | { | |
1020 | if (!X509_ALGOR_set0(pub->algor, aobj, ptype, pval)) | |
1021 | return 0; | |
9df71587 DDO |
1022 | if (penc != NULL) |
1023 | X509_PUBKEY_set0_public_key(pub, penc, penclen); | |
0f113f3e MC |
1024 | return 1; |
1025 | } | |
448be743 DSH |
1026 | |
1027 | int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, | |
0f113f3e | 1028 | const unsigned char **pk, int *ppklen, |
7674e923 | 1029 | X509_ALGOR **pa, const X509_PUBKEY *pub) |
0f113f3e MC |
1030 | { |
1031 | if (ppkalg) | |
1032 | *ppkalg = pub->algor->algorithm; | |
1033 | if (pk) { | |
1034 | *pk = pub->public_key->data; | |
1035 | *ppklen = pub->public_key->length; | |
1036 | } | |
1037 | if (pa) | |
1038 | *pa = pub->algor; | |
1039 | return 1; | |
1040 | } | |
29fa0a1a DSH |
1041 | |
1042 | ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x) | |
1043 | { | |
1044 | if (x == NULL) | |
1045 | return NULL; | |
1046 | return x->cert_info.key->public_key; | |
1047 | } | |
93f99b68 DDO |
1048 | |
1049 | /* Returns 1 for equal, 0, for non-equal, < 0 on error */ | |
1050 | int X509_PUBKEY_eq(const X509_PUBKEY *a, const X509_PUBKEY *b) | |
1051 | { | |
1052 | X509_ALGOR *algA, *algB; | |
1053 | EVP_PKEY *pA, *pB; | |
1054 | ||
1055 | if (a == b) | |
1056 | return 1; | |
1057 | if (a == NULL || b == NULL) | |
1058 | return 0; | |
1059 | if (!X509_PUBKEY_get0_param(NULL, NULL, NULL, &algA, a) || algA == NULL | |
1060 | || !X509_PUBKEY_get0_param(NULL, NULL, NULL, &algB, b) || algB == NULL) | |
1061 | return -2; | |
1062 | if (X509_ALGOR_cmp(algA, algB) != 0) | |
1063 | return 0; | |
1064 | if ((pA = X509_PUBKEY_get0(a)) == NULL | |
1065 | || (pB = X509_PUBKEY_get0(b)) == NULL) | |
1066 | return -2; | |
c74aaa39 | 1067 | return EVP_PKEY_eq(pA, pB); |
93f99b68 | 1068 | } |
22b81444 | 1069 | |
4669015d SL |
1070 | int ossl_x509_PUBKEY_get0_libctx(OSSL_LIB_CTX **plibctx, const char **ppropq, |
1071 | const X509_PUBKEY *key) | |
22b81444 RL |
1072 | { |
1073 | if (plibctx) | |
1074 | *plibctx = key->libctx; | |
1075 | if (ppropq) | |
1076 | *ppropq = key->propq; | |
1077 | return 1; | |
1078 | } |