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d02b48c6 | 1 | /* crypto/asn1/x_pubkey.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
40720ce3 | 8 | * |
d02b48c6 RE |
9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
40720ce3 | 15 | * |
d02b48c6 RE |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
40720ce3 | 22 | * |
d02b48c6 RE |
23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
40720ce3 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40720ce3 | 40 | * |
d02b48c6 RE |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
40720ce3 | 52 | * |
d02b48c6 RE |
53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include "cryptlib.h" | |
9d6b1ce6 | 61 | #include <openssl/asn1t.h> |
f0e8ae72 | 62 | #include <openssl/x509.h> |
4913b88f | 63 | #ifndef OPENSSL_NO_RSA |
40720ce3 | 64 | # include <openssl/rsa.h> |
4913b88f NL |
65 | #endif |
66 | #ifndef OPENSSL_NO_DSA | |
40720ce3 | 67 | # include <openssl/dsa.h> |
4913b88f | 68 | #endif |
d02b48c6 | 69 | |
9d6b1ce6 DSH |
70 | /* Minor tweak to operation: free up EVP_PKEY */ |
71 | static int pubkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) | |
40720ce3 MC |
72 | { |
73 | if (operation == ASN1_OP_FREE_POST) { | |
74 | X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; | |
75 | EVP_PKEY_free(pubkey->pkey); | |
76 | } | |
77 | return 1; | |
78 | } | |
d02b48c6 | 79 | |
9d6b1ce6 | 80 | ASN1_SEQUENCE_cb(X509_PUBKEY, pubkey_cb) = { |
40720ce3 MC |
81 | ASN1_SIMPLE(X509_PUBKEY, algor, X509_ALGOR), |
82 | ASN1_SIMPLE(X509_PUBKEY, public_key, ASN1_BIT_STRING) | |
d339187b | 83 | } ASN1_SEQUENCE_END_cb(X509_PUBKEY, X509_PUBKEY) |
d02b48c6 | 84 | |
9d6b1ce6 | 85 | IMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY) |
d02b48c6 | 86 | |
6b691a5c | 87 | int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey) |
40720ce3 MC |
88 | { |
89 | X509_PUBKEY *pk = NULL; | |
90 | X509_ALGOR *a; | |
91 | ASN1_OBJECT *o; | |
92 | unsigned char *s, *p = NULL; | |
93 | int i; | |
94 | ||
95 | if (x == NULL) | |
96 | return (0); | |
97 | ||
98 | if ((pk = X509_PUBKEY_new()) == NULL) | |
99 | goto err; | |
100 | a = pk->algor; | |
101 | ||
102 | /* set the algorithm id */ | |
103 | if ((o = OBJ_nid2obj(pkey->type)) == NULL) | |
104 | goto err; | |
105 | ASN1_OBJECT_free(a->algorithm); | |
106 | a->algorithm = o; | |
107 | ||
108 | /* Set the parameter list */ | |
109 | if (!pkey->save_parameters || (pkey->type == EVP_PKEY_RSA)) { | |
110 | if ((a->parameter == NULL) || (a->parameter->type != V_ASN1_NULL)) { | |
111 | ASN1_TYPE_free(a->parameter); | |
112 | if (!(a->parameter = ASN1_TYPE_new())) { | |
113 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
114 | goto err; | |
115 | } | |
116 | a->parameter->type = V_ASN1_NULL; | |
117 | } | |
118 | } | |
cf1b7d96 | 119 | #ifndef OPENSSL_NO_DSA |
40720ce3 MC |
120 | else if (pkey->type == EVP_PKEY_DSA) { |
121 | unsigned char *pp; | |
122 | DSA *dsa; | |
123 | ||
124 | dsa = pkey->pkey.dsa; | |
125 | dsa->write_params = 0; | |
126 | ASN1_TYPE_free(a->parameter); | |
127 | if ((i = i2d_DSAparams(dsa, NULL)) <= 0) | |
128 | goto err; | |
129 | if (!(p = (unsigned char *)OPENSSL_malloc(i))) { | |
130 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
131 | goto err; | |
132 | } | |
133 | pp = p; | |
134 | i2d_DSAparams(dsa, &pp); | |
135 | if (!(a->parameter = ASN1_TYPE_new())) { | |
136 | OPENSSL_free(p); | |
137 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
138 | goto err; | |
139 | } | |
140 | a->parameter->type = V_ASN1_SEQUENCE; | |
141 | if (!(a->parameter->value.sequence = ASN1_STRING_new())) { | |
142 | OPENSSL_free(p); | |
143 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
144 | goto err; | |
145 | } | |
146 | if (!ASN1_STRING_set(a->parameter->value.sequence, p, i)) { | |
147 | OPENSSL_free(p); | |
148 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
149 | goto err; | |
150 | } | |
151 | OPENSSL_free(p); | |
152 | } | |
d02b48c6 | 153 | #endif |
14a7cfb3 | 154 | #ifndef OPENSSL_NO_EC |
40720ce3 MC |
155 | else if (pkey->type == EVP_PKEY_EC) { |
156 | int nid = 0; | |
157 | unsigned char *pp; | |
158 | EC_KEY *ec_key; | |
159 | const EC_GROUP *group; | |
160 | ||
161 | ec_key = pkey->pkey.ec; | |
162 | ASN1_TYPE_free(a->parameter); | |
163 | ||
164 | if ((a->parameter = ASN1_TYPE_new()) == NULL) { | |
165 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_ASN1_LIB); | |
166 | goto err; | |
167 | } | |
168 | ||
169 | group = EC_KEY_get0_group(ec_key); | |
170 | if (EC_GROUP_get_asn1_flag(group) | |
171 | && (nid = EC_GROUP_get_curve_name(group))) { | |
172 | /* just set the OID */ | |
173 | a->parameter->type = V_ASN1_OBJECT; | |
174 | a->parameter->value.object = OBJ_nid2obj(nid); | |
175 | } else { /* explicit parameters */ | |
176 | ||
177 | if ((i = i2d_ECParameters(ec_key, NULL)) == 0) { | |
178 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_EC_LIB); | |
179 | goto err; | |
180 | } | |
181 | if ((p = (unsigned char *)OPENSSL_malloc(i)) == NULL) { | |
182 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
183 | goto err; | |
184 | } | |
185 | pp = p; | |
186 | if (!i2d_ECParameters(ec_key, &pp)) { | |
187 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_EC_LIB); | |
188 | OPENSSL_free(p); | |
189 | goto err; | |
190 | } | |
191 | a->parameter->type = V_ASN1_SEQUENCE; | |
192 | if ((a->parameter->value.sequence = ASN1_STRING_new()) == NULL) { | |
193 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_ASN1_LIB); | |
194 | OPENSSL_free(p); | |
195 | goto err; | |
196 | } | |
197 | ASN1_STRING_set(a->parameter->value.sequence, p, i); | |
198 | OPENSSL_free(p); | |
199 | } | |
200 | } | |
4d94ae00 | 201 | #endif |
40720ce3 MC |
202 | else if (1) { |
203 | X509err(X509_F_X509_PUBKEY_SET, X509_R_UNSUPPORTED_ALGORITHM); | |
204 | goto err; | |
205 | } | |
206 | ||
207 | if ((i = i2d_PublicKey(pkey, NULL)) <= 0) | |
208 | goto err; | |
209 | if ((s = (unsigned char *)OPENSSL_malloc(i + 1)) == NULL) { | |
210 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
211 | goto err; | |
212 | } | |
213 | p = s; | |
214 | i2d_PublicKey(pkey, &p); | |
215 | if (!M_ASN1_BIT_STRING_set(pk->public_key, s, i)) { | |
216 | X509err(X509_F_X509_PUBKEY_SET, ERR_R_MALLOC_FAILURE); | |
217 | goto err; | |
218 | } | |
219 | /* Set number of unused bits to zero */ | |
220 | pk->public_key->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); | |
221 | pk->public_key->flags |= ASN1_STRING_FLAG_BITS_LEFT; | |
222 | ||
223 | OPENSSL_free(s); | |
d02b48c6 | 224 | |
e77066ea | 225 | #if 0 |
40720ce3 MC |
226 | CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY); |
227 | pk->pkey = pkey; | |
e77066ea | 228 | #endif |
d02b48c6 | 229 | |
40720ce3 MC |
230 | if (*x != NULL) |
231 | X509_PUBKEY_free(*x); | |
d02b48c6 | 232 | |
40720ce3 | 233 | *x = pk; |
d02b48c6 | 234 | |
40720ce3 MC |
235 | return 1; |
236 | err: | |
237 | if (pk != NULL) | |
238 | X509_PUBKEY_free(pk); | |
239 | return 0; | |
240 | } | |
d02b48c6 | 241 | |
6b691a5c | 242 | EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key) |
40720ce3 MC |
243 | { |
244 | EVP_PKEY *ret = NULL; | |
245 | long j; | |
246 | int type; | |
247 | const unsigned char *p; | |
690ecff7 | 248 | #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) |
40720ce3 MC |
249 | const unsigned char *cp; |
250 | X509_ALGOR *a; | |
58964a49 RE |
251 | #endif |
252 | ||
40720ce3 MC |
253 | if (key == NULL) |
254 | goto err; | |
255 | ||
256 | if (key->pkey != NULL) { | |
257 | CRYPTO_add(&key->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY); | |
258 | return (key->pkey); | |
259 | } | |
58964a49 | 260 | |
40720ce3 MC |
261 | if (key->public_key == NULL) |
262 | goto err; | |
58964a49 | 263 | |
40720ce3 MC |
264 | type = OBJ_obj2nid(key->algor->algorithm); |
265 | if ((ret = EVP_PKEY_new()) == NULL) { | |
266 | X509err(X509_F_X509_PUBKEY_GET, ERR_R_MALLOC_FAILURE); | |
267 | goto err; | |
268 | } | |
269 | ret->type = EVP_PKEY_type(type); | |
d02b48c6 | 270 | |
40720ce3 | 271 | /* the parameters must be extracted before the public key (ECDSA!) */ |
d02b48c6 | 272 | |
690ecff7 | 273 | #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) |
40720ce3 | 274 | a = key->algor; |
690ecff7 | 275 | #endif |
4d94ae00 | 276 | |
40720ce3 | 277 | if (0) ; |
4d94ae00 | 278 | #ifndef OPENSSL_NO_DSA |
40720ce3 MC |
279 | else if (ret->type == EVP_PKEY_DSA) { |
280 | if (a->parameter && (a->parameter->type == V_ASN1_SEQUENCE)) { | |
281 | if ((ret->pkey.dsa = DSA_new()) == NULL) { | |
282 | X509err(X509_F_X509_PUBKEY_GET, ERR_R_MALLOC_FAILURE); | |
283 | goto err; | |
284 | } | |
285 | ret->pkey.dsa->write_params = 0; | |
286 | cp = p = a->parameter->value.sequence->data; | |
287 | j = a->parameter->value.sequence->length; | |
288 | if (!d2i_DSAparams(&ret->pkey.dsa, &cp, (long)j)) | |
289 | goto err; | |
290 | } | |
291 | ret->save_parameters = 1; | |
292 | } | |
d02b48c6 | 293 | #endif |
14a7cfb3 | 294 | #ifndef OPENSSL_NO_EC |
40720ce3 MC |
295 | else if (ret->type == EVP_PKEY_EC) { |
296 | if (a->parameter && (a->parameter->type == V_ASN1_SEQUENCE)) { | |
297 | /* | |
298 | * type == V_ASN1_SEQUENCE => we have explicit parameters (e.g. | |
299 | * parameters in the X9_62_EC_PARAMETERS-structure ) | |
300 | */ | |
301 | if ((ret->pkey.ec = EC_KEY_new()) == NULL) { | |
302 | X509err(X509_F_X509_PUBKEY_GET, ERR_R_MALLOC_FAILURE); | |
303 | goto err; | |
304 | } | |
305 | cp = p = a->parameter->value.sequence->data; | |
306 | j = a->parameter->value.sequence->length; | |
307 | if (!d2i_ECParameters(&ret->pkey.ec, &cp, (long)j)) { | |
308 | X509err(X509_F_X509_PUBKEY_GET, ERR_R_EC_LIB); | |
309 | goto err; | |
310 | } | |
311 | } else if (a->parameter && (a->parameter->type == V_ASN1_OBJECT)) { | |
312 | /* | |
313 | * type == V_ASN1_OBJECT => the parameters are given by an asn1 | |
314 | * OID | |
315 | */ | |
316 | EC_KEY *ec_key; | |
317 | EC_GROUP *group; | |
318 | ||
319 | if (ret->pkey.ec == NULL) | |
320 | ret->pkey.ec = EC_KEY_new(); | |
321 | ec_key = ret->pkey.ec; | |
322 | if (ec_key == NULL) | |
323 | goto err; | |
324 | group = | |
325 | EC_GROUP_new_by_curve_name(OBJ_obj2nid | |
326 | (a->parameter->value.object)); | |
327 | if (group == NULL) | |
328 | goto err; | |
329 | EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE); | |
330 | if (EC_KEY_set_group(ec_key, group) == 0) | |
331 | goto err; | |
332 | EC_GROUP_free(group); | |
333 | } | |
334 | /* | |
335 | * the case implicitlyCA is currently not implemented | |
336 | */ | |
337 | ret->save_parameters = 1; | |
338 | } | |
4d94ae00 BM |
339 | #endif |
340 | ||
40720ce3 MC |
341 | p = key->public_key->data; |
342 | j = key->public_key->length; | |
343 | if (!d2i_PublicKey(type, &ret, &p, (long)j)) { | |
344 | X509err(X509_F_X509_PUBKEY_GET, X509_R_ERR_ASN1_LIB); | |
345 | goto err; | |
346 | } | |
347 | ||
348 | /* Check to see if another thread set key->pkey first */ | |
349 | CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY); | |
350 | if (key->pkey) { | |
351 | CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); | |
352 | EVP_PKEY_free(ret); | |
353 | ret = key->pkey; | |
354 | } else { | |
355 | key->pkey = ret; | |
356 | CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); | |
357 | } | |
358 | CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_EVP_PKEY); | |
359 | return (ret); | |
360 | err: | |
361 | if (ret != NULL) | |
362 | EVP_PKEY_free(ret); | |
363 | return (NULL); | |
364 | } | |
365 | ||
366 | /* | |
367 | * Now two pseudo ASN1 routines that take an EVP_PKEY structure and encode or | |
368 | * decode as X509_PUBKEY | |
52664f50 DSH |
369 | */ |
370 | ||
40720ce3 MC |
371 | EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length) |
372 | { | |
373 | X509_PUBKEY *xpk; | |
374 | EVP_PKEY *pktmp; | |
375 | xpk = d2i_X509_PUBKEY(NULL, pp, length); | |
376 | if (!xpk) | |
377 | return NULL; | |
378 | pktmp = X509_PUBKEY_get(xpk); | |
379 | X509_PUBKEY_free(xpk); | |
380 | if (!pktmp) | |
381 | return NULL; | |
382 | if (a) { | |
383 | EVP_PKEY_free(*a); | |
384 | *a = pktmp; | |
385 | } | |
386 | return pktmp; | |
387 | } | |
52664f50 DSH |
388 | |
389 | int i2d_PUBKEY(EVP_PKEY *a, unsigned char **pp) | |
40720ce3 MC |
390 | { |
391 | X509_PUBKEY *xpk = NULL; | |
392 | int ret; | |
393 | if (!a) | |
394 | return 0; | |
395 | if (!X509_PUBKEY_set(&xpk, a)) | |
396 | return 0; | |
397 | ret = i2d_X509_PUBKEY(xpk, pp); | |
398 | X509_PUBKEY_free(xpk); | |
399 | return ret; | |
400 | } | |
401 | ||
402 | /* | |
403 | * The following are equivalents but which return RSA and DSA keys | |
52664f50 | 404 | */ |
cf1b7d96 | 405 | #ifndef OPENSSL_NO_RSA |
40720ce3 MC |
406 | RSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, long length) |
407 | { | |
408 | EVP_PKEY *pkey; | |
409 | RSA *key; | |
410 | const unsigned char *q; | |
411 | q = *pp; | |
412 | pkey = d2i_PUBKEY(NULL, &q, length); | |
413 | if (!pkey) | |
414 | return NULL; | |
415 | key = EVP_PKEY_get1_RSA(pkey); | |
416 | EVP_PKEY_free(pkey); | |
417 | if (!key) | |
418 | return NULL; | |
419 | *pp = q; | |
420 | if (a) { | |
421 | RSA_free(*a); | |
422 | *a = key; | |
423 | } | |
424 | return key; | |
425 | } | |
52664f50 DSH |
426 | |
427 | int i2d_RSA_PUBKEY(RSA *a, unsigned char **pp) | |
40720ce3 MC |
428 | { |
429 | EVP_PKEY *pktmp; | |
430 | int ret; | |
431 | if (!a) | |
432 | return 0; | |
433 | pktmp = EVP_PKEY_new(); | |
434 | if (!pktmp) { | |
435 | ASN1err(ASN1_F_I2D_RSA_PUBKEY, ERR_R_MALLOC_FAILURE); | |
436 | return 0; | |
437 | } | |
438 | EVP_PKEY_set1_RSA(pktmp, a); | |
439 | ret = i2d_PUBKEY(pktmp, pp); | |
440 | EVP_PKEY_free(pktmp); | |
441 | return ret; | |
442 | } | |
12aefe78 | 443 | #endif |
52664f50 | 444 | |
cf1b7d96 | 445 | #ifndef OPENSSL_NO_DSA |
40720ce3 MC |
446 | DSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length) |
447 | { | |
448 | EVP_PKEY *pkey; | |
449 | DSA *key; | |
450 | const unsigned char *q; | |
451 | q = *pp; | |
452 | pkey = d2i_PUBKEY(NULL, &q, length); | |
453 | if (!pkey) | |
454 | return NULL; | |
455 | key = EVP_PKEY_get1_DSA(pkey); | |
456 | EVP_PKEY_free(pkey); | |
457 | if (!key) | |
458 | return NULL; | |
459 | *pp = q; | |
460 | if (a) { | |
461 | DSA_free(*a); | |
462 | *a = key; | |
463 | } | |
464 | return key; | |
465 | } | |
52664f50 DSH |
466 | |
467 | int i2d_DSA_PUBKEY(DSA *a, unsigned char **pp) | |
40720ce3 MC |
468 | { |
469 | EVP_PKEY *pktmp; | |
470 | int ret; | |
471 | if (!a) | |
472 | return 0; | |
473 | pktmp = EVP_PKEY_new(); | |
474 | if (!pktmp) { | |
475 | ASN1err(ASN1_F_I2D_DSA_PUBKEY, ERR_R_MALLOC_FAILURE); | |
476 | return 0; | |
477 | } | |
478 | EVP_PKEY_set1_DSA(pktmp, a); | |
479 | ret = i2d_PUBKEY(pktmp, pp); | |
480 | EVP_PKEY_free(pktmp); | |
481 | return ret; | |
482 | } | |
4d94ae00 BM |
483 | #endif |
484 | ||
14a7cfb3 | 485 | #ifndef OPENSSL_NO_EC |
875a644a | 486 | EC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length) |
40720ce3 MC |
487 | { |
488 | EVP_PKEY *pkey; | |
489 | EC_KEY *key; | |
490 | const unsigned char *q; | |
491 | q = *pp; | |
492 | pkey = d2i_PUBKEY(NULL, &q, length); | |
493 | if (!pkey) | |
494 | return (NULL); | |
495 | key = EVP_PKEY_get1_EC_KEY(pkey); | |
496 | EVP_PKEY_free(pkey); | |
497 | if (!key) | |
498 | return (NULL); | |
499 | *pp = q; | |
500 | if (a) { | |
501 | EC_KEY_free(*a); | |
502 | *a = key; | |
503 | } | |
504 | return (key); | |
505 | } | |
4d94ae00 | 506 | |
14a7cfb3 | 507 | int i2d_EC_PUBKEY(EC_KEY *a, unsigned char **pp) |
40720ce3 MC |
508 | { |
509 | EVP_PKEY *pktmp; | |
510 | int ret; | |
511 | if (!a) | |
512 | return (0); | |
513 | if ((pktmp = EVP_PKEY_new()) == NULL) { | |
514 | ASN1err(ASN1_F_I2D_EC_PUBKEY, ERR_R_MALLOC_FAILURE); | |
515 | return (0); | |
516 | } | |
517 | EVP_PKEY_set1_EC_KEY(pktmp, a); | |
518 | ret = i2d_PUBKEY(pktmp, pp); | |
519 | EVP_PKEY_free(pktmp); | |
520 | return (ret); | |
521 | } | |
12aefe78 | 522 | #endif |