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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
4d94ae00 BM |
60 | #include <openssl/bn.h> |
61 | #include <openssl/err.h> | |
ec577822 BM |
62 | #include <openssl/objects.h> |
63 | #include <openssl/evp.h> | |
ec577822 | 64 | #include <openssl/x509.h> |
3c27208f RS |
65 | #include <openssl/rsa.h> |
66 | #include <openssl/dsa.h> | |
67 | #include <openssl/dh.h> | |
68 | #include <openssl/engine.h> | |
01b8b3c7 | 69 | |
5fe736e5 | 70 | #include "internal/asn1_int.h" |
3aeb9348 | 71 | #include "internal/evp_int.h" |
18e377b4 | 72 | |
d02b48c6 | 73 | static void EVP_PKEY_free_it(EVP_PKEY *x); |
bb2297a4 | 74 | |
6b691a5c | 75 | int EVP_PKEY_bits(EVP_PKEY *pkey) |
0f113f3e MC |
76 | { |
77 | if (pkey && pkey->ameth && pkey->ameth->pkey_bits) | |
78 | return pkey->ameth->pkey_bits(pkey); | |
79 | return 0; | |
80 | } | |
58964a49 | 81 | |
2514fa79 | 82 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
83 | { |
84 | if (pkey == NULL) | |
85 | return 0; | |
86 | if (!pkey->ameth || !pkey->ameth->pkey_security_bits) | |
87 | return -2; | |
88 | return pkey->ameth->pkey_security_bits(pkey); | |
89 | } | |
2514fa79 | 90 | |
6b691a5c | 91 | int EVP_PKEY_size(EVP_PKEY *pkey) |
0f113f3e MC |
92 | { |
93 | if (pkey && pkey->ameth && pkey->ameth->pkey_size) | |
94 | return pkey->ameth->pkey_size(pkey); | |
95 | return 0; | |
96 | } | |
d02b48c6 | 97 | |
6b691a5c | 98 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 99 | { |
cf1b7d96 | 100 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
101 | if (pkey->type == EVP_PKEY_DSA) { |
102 | int ret = pkey->save_parameters; | |
103 | ||
104 | if (mode >= 0) | |
105 | pkey->save_parameters = mode; | |
106 | return (ret); | |
107 | } | |
4d94ae00 | 108 | #endif |
5488bb61 | 109 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
110 | if (pkey->type == EVP_PKEY_EC) { |
111 | int ret = pkey->save_parameters; | |
112 | ||
113 | if (mode >= 0) | |
114 | pkey->save_parameters = mode; | |
115 | return (ret); | |
116 | } | |
d02b48c6 | 117 | #endif |
0f113f3e MC |
118 | return (0); |
119 | } | |
d02b48c6 | 120 | |
a8b72844 | 121 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 122 | { |
2986ecdc DSH |
123 | if (to->type == EVP_PKEY_NONE) { |
124 | if (EVP_PKEY_set_type(to, from->type) == 0) | |
125 | return 0; | |
126 | } else if (to->type != from->type) { | |
0f113f3e MC |
127 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
128 | goto err; | |
129 | } | |
130 | ||
131 | if (EVP_PKEY_missing_parameters(from)) { | |
132 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
133 | goto err; | |
134 | } | |
135 | if (from->ameth && from->ameth->param_copy) | |
136 | return from->ameth->param_copy(to, from); | |
137 | err: | |
138 | return 0; | |
139 | } | |
d02b48c6 | 140 | |
af0f0f3e | 141 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e MC |
142 | { |
143 | if (pkey->ameth && pkey->ameth->param_missing) | |
144 | return pkey->ameth->param_missing(pkey); | |
145 | return 0; | |
146 | } | |
d02b48c6 | 147 | |
af0f0f3e | 148 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
149 | { |
150 | if (a->type != b->type) | |
151 | return -1; | |
152 | if (a->ameth && a->ameth->param_cmp) | |
153 | return a->ameth->param_cmp(a, b); | |
154 | return -2; | |
155 | } | |
58964a49 | 156 | |
af0f0f3e | 157 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
158 | { |
159 | if (a->type != b->type) | |
160 | return -1; | |
161 | ||
162 | if (a->ameth) { | |
163 | int ret; | |
164 | /* Compare parameters if the algorithm has them */ | |
165 | if (a->ameth->param_cmp) { | |
166 | ret = a->ameth->param_cmp(a, b); | |
167 | if (ret <= 0) | |
168 | return ret; | |
169 | } | |
170 | ||
171 | if (a->ameth->pub_cmp) | |
172 | return a->ameth->pub_cmp(a, b); | |
173 | } | |
174 | ||
175 | return -2; | |
176 | } | |
e6526fbf | 177 | |
6b691a5c | 178 | EVP_PKEY *EVP_PKEY_new(void) |
0f113f3e | 179 | { |
a2d0baa2 | 180 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 181 | |
0f113f3e MC |
182 | if (ret == NULL) { |
183 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
03273d61 | 184 | return NULL; |
0f113f3e MC |
185 | } |
186 | ret->type = EVP_PKEY_NONE; | |
187 | ret->save_type = EVP_PKEY_NONE; | |
188 | ret->references = 1; | |
0f113f3e | 189 | ret->save_parameters = 1; |
03273d61 AG |
190 | ret->lock = CRYPTO_THREAD_lock_new(); |
191 | if (ret->lock == NULL) { | |
192 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
193 | OPENSSL_free(ret); | |
194 | return NULL; | |
195 | } | |
196 | return ret; | |
0f113f3e MC |
197 | } |
198 | ||
c5ebfcab | 199 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
2872dbe1 | 200 | { |
03273d61 | 201 | int i; |
c5ebfcab F |
202 | |
203 | if (CRYPTO_atomic_add(&pkey->references, 1, &i, pkey->lock) <= 0) | |
204 | return 0; | |
205 | ||
206 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
207 | REF_ASSERT_ISNT(i < 2); | |
208 | return ((i > 1) ? 1 : 0); | |
2872dbe1 DSH |
209 | } |
210 | ||
0f113f3e MC |
211 | /* |
212 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
213 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
214 | */ |
215 | ||
216 | static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) | |
0f113f3e MC |
217 | { |
218 | const EVP_PKEY_ASN1_METHOD *ameth; | |
219 | ENGINE *e = NULL; | |
220 | if (pkey) { | |
221 | if (pkey->pkey.ptr) | |
222 | EVP_PKEY_free_it(pkey); | |
223 | /* | |
224 | * If key type matches and a method exists then this lookup has | |
225 | * succeeded once so just indicate success. | |
226 | */ | |
227 | if ((type == pkey->save_type) && pkey->ameth) | |
228 | return 1; | |
01b8b3c7 | 229 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e | 230 | /* If we have an ENGINE release it */ |
7c96dbcd RS |
231 | ENGINE_finish(pkey->engine); |
232 | pkey->engine = NULL; | |
01b8b3c7 | 233 | #endif |
0f113f3e MC |
234 | } |
235 | if (str) | |
236 | ameth = EVP_PKEY_asn1_find_str(&e, str, len); | |
237 | else | |
238 | ameth = EVP_PKEY_asn1_find(&e, type); | |
01b8b3c7 | 239 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 240 | if (pkey == NULL) |
0f113f3e | 241 | ENGINE_finish(e); |
01b8b3c7 | 242 | #endif |
7c96dbcd | 243 | if (ameth == NULL) { |
0f113f3e MC |
244 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
245 | return 0; | |
246 | } | |
247 | if (pkey) { | |
248 | pkey->ameth = ameth; | |
249 | pkey->engine = e; | |
250 | ||
251 | pkey->type = pkey->ameth->pkey_id; | |
252 | pkey->save_type = type; | |
253 | } | |
254 | return 1; | |
255 | } | |
01b8b3c7 DSH |
256 | |
257 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) | |
0f113f3e MC |
258 | { |
259 | return pkey_set_type(pkey, type, NULL, -1); | |
260 | } | |
01b8b3c7 DSH |
261 | |
262 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e MC |
263 | { |
264 | return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); | |
265 | } | |
01b8b3c7 DSH |
266 | |
267 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) | |
0f113f3e | 268 | { |
e34c66c6 | 269 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
270 | return 0; |
271 | pkey->pkey.ptr = key; | |
272 | return (key != NULL); | |
273 | } | |
d02b48c6 | 274 | |
3aeb9348 | 275 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
276 | { |
277 | return pkey->pkey.ptr; | |
278 | } | |
db98bbc1 | 279 | |
cf1b7d96 | 280 | #ifndef OPENSSL_NO_RSA |
c7cb16a8 | 281 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 282 | { |
0f113f3e MC |
283 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
284 | if (ret) | |
285 | RSA_up_ref(key); | |
286 | return ret; | |
52664f50 DSH |
287 | } |
288 | ||
2872dbe1 | 289 | RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) |
0f113f3e MC |
290 | { |
291 | if (pkey->type != EVP_PKEY_RSA) { | |
2872dbe1 | 292 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
293 | return NULL; |
294 | } | |
0f113f3e | 295 | return pkey->pkey.rsa; |
f769ce3e | 296 | } |
2872dbe1 DSH |
297 | |
298 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
299 | { | |
300 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
301 | if (ret != NULL) | |
302 | RSA_up_ref(ret); | |
303 | return ret; | |
304 | } | |
f769ce3e DSH |
305 | #endif |
306 | ||
cf1b7d96 | 307 | #ifndef OPENSSL_NO_DSA |
c7cb16a8 | 308 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 309 | { |
0f113f3e MC |
310 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
311 | if (ret) | |
312 | DSA_up_ref(key); | |
313 | return ret; | |
52664f50 DSH |
314 | } |
315 | ||
2872dbe1 | 316 | DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) |
0f113f3e MC |
317 | { |
318 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 319 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
320 | return NULL; |
321 | } | |
0f113f3e | 322 | return pkey->pkey.dsa; |
f769ce3e | 323 | } |
2872dbe1 DSH |
324 | |
325 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
326 | { | |
327 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
328 | if (ret != NULL) | |
329 | DSA_up_ref(ret); | |
330 | return ret; | |
331 | } | |
f769ce3e DSH |
332 | #endif |
333 | ||
14a7cfb3 | 334 | #ifndef OPENSSL_NO_EC |
4d94ae00 | 335 | |
14a7cfb3 | 336 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 337 | { |
0f113f3e MC |
338 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
339 | if (ret) | |
340 | EC_KEY_up_ref(key); | |
341 | return ret; | |
4d94ae00 BM |
342 | } |
343 | ||
2872dbe1 | 344 | EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) |
4d94ae00 | 345 | { |
0f113f3e | 346 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 347 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
348 | return NULL; |
349 | } | |
0f113f3e | 350 | return pkey->pkey.ec; |
4d94ae00 | 351 | } |
2872dbe1 DSH |
352 | |
353 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
354 | { | |
355 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
356 | if (ret != NULL) | |
357 | EC_KEY_up_ref(ret); | |
358 | return ret; | |
359 | } | |
4d94ae00 BM |
360 | #endif |
361 | ||
cf1b7d96 | 362 | #ifndef OPENSSL_NO_DH |
52664f50 | 363 | |
c7cb16a8 | 364 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 365 | { |
0f113f3e MC |
366 | int ret = EVP_PKEY_assign_DH(pkey, key); |
367 | if (ret) | |
368 | DH_up_ref(key); | |
369 | return ret; | |
52664f50 DSH |
370 | } |
371 | ||
2872dbe1 | 372 | DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) |
0f113f3e MC |
373 | { |
374 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 375 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
376 | return NULL; |
377 | } | |
0f113f3e | 378 | return pkey->pkey.dh; |
f769ce3e | 379 | } |
2872dbe1 DSH |
380 | |
381 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
382 | { | |
383 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
384 | if (ret != NULL) | |
385 | DH_up_ref(ret); | |
386 | return ret; | |
387 | } | |
f769ce3e DSH |
388 | #endif |
389 | ||
6b691a5c | 390 | int EVP_PKEY_type(int type) |
0f113f3e MC |
391 | { |
392 | int ret; | |
393 | const EVP_PKEY_ASN1_METHOD *ameth; | |
394 | ENGINE *e; | |
395 | ameth = EVP_PKEY_asn1_find(&e, type); | |
396 | if (ameth) | |
397 | ret = ameth->pkey_id; | |
398 | else | |
399 | ret = NID_undef; | |
01b8b3c7 | 400 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 401 | ENGINE_finish(e); |
01b8b3c7 | 402 | #endif |
0f113f3e MC |
403 | return ret; |
404 | } | |
d02b48c6 | 405 | |
7f57b076 | 406 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
407 | { |
408 | return pkey->type; | |
409 | } | |
7f57b076 DSH |
410 | |
411 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
412 | { |
413 | return EVP_PKEY_type(pkey->type); | |
414 | } | |
7f57b076 | 415 | |
6b691a5c | 416 | void EVP_PKEY_free(EVP_PKEY *x) |
0f113f3e MC |
417 | { |
418 | int i; | |
d02b48c6 | 419 | |
0f113f3e MC |
420 | if (x == NULL) |
421 | return; | |
d02b48c6 | 422 | |
03273d61 | 423 | CRYPTO_atomic_add(&x->references, -1, &i, x->lock); |
f3f1cf84 | 424 | REF_PRINT_COUNT("EVP_PKEY", x); |
0f113f3e MC |
425 | if (i > 0) |
426 | return; | |
f3f1cf84 | 427 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 428 | EVP_PKEY_free_it(x); |
222561fe | 429 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
0f113f3e MC |
430 | OPENSSL_free(x); |
431 | } | |
d02b48c6 | 432 | |
6b691a5c | 433 | static void EVP_PKEY_free_it(EVP_PKEY *x) |
0f113f3e | 434 | { |
c5ba2d99 | 435 | /* internal function; x is never NULL */ |
0f113f3e MC |
436 | if (x->ameth && x->ameth->pkey_free) { |
437 | x->ameth->pkey_free(x); | |
438 | x->pkey.ptr = NULL; | |
439 | } | |
01b8b3c7 | 440 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd RS |
441 | ENGINE_finish(x->engine); |
442 | x->engine = NULL; | |
01b8b3c7 | 443 | #endif |
03273d61 | 444 | CRYPTO_THREAD_lock_free(x->lock); |
0f113f3e | 445 | } |
d02b48c6 | 446 | |
35208f36 | 447 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
448 | const char *kstr) |
449 | { | |
450 | BIO_indent(out, indent, 128); | |
451 | BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
452 | kstr, OBJ_nid2ln(pkey->type)); | |
453 | return 1; | |
454 | } | |
35208f36 DSH |
455 | |
456 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
457 | int indent, ASN1_PCTX *pctx) |
458 | { | |
459 | if (pkey->ameth && pkey->ameth->pub_print) | |
460 | return pkey->ameth->pub_print(out, pkey, indent, pctx); | |
461 | ||
462 | return unsup_alg(out, pkey, indent, "Public Key"); | |
463 | } | |
35208f36 DSH |
464 | |
465 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
466 | int indent, ASN1_PCTX *pctx) |
467 | { | |
468 | if (pkey->ameth && pkey->ameth->priv_print) | |
469 | return pkey->ameth->priv_print(out, pkey, indent, pctx); | |
470 | ||
471 | return unsup_alg(out, pkey, indent, "Private Key"); | |
472 | } | |
35208f36 DSH |
473 | |
474 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
475 | int indent, ASN1_PCTX *pctx) |
476 | { | |
477 | if (pkey->ameth && pkey->ameth->param_print) | |
478 | return pkey->ameth->param_print(out, pkey, indent, pctx); | |
479 | return unsup_alg(out, pkey, indent, "Parameters"); | |
480 | } | |
03919683 DSH |
481 | |
482 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
0f113f3e MC |
483 | { |
484 | if (!pkey->ameth || !pkey->ameth->pkey_ctrl) | |
485 | return -2; | |
486 | return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, | |
487 | 0, pnid); | |
488 | } |