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Commit | Line | Data |
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62867571 | 1 | /* |
3f5616d7 | 2 | * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
62867571 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
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 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
cd420b0b | 12 | #include "internal/refcount.h" |
4d94ae00 BM |
13 | #include <openssl/bn.h> |
14 | #include <openssl/err.h> | |
ec577822 BM |
15 | #include <openssl/objects.h> |
16 | #include <openssl/evp.h> | |
ec577822 | 17 | #include <openssl/x509.h> |
3c27208f RS |
18 | #include <openssl/rsa.h> |
19 | #include <openssl/dsa.h> | |
20 | #include <openssl/dh.h> | |
21 | #include <openssl/engine.h> | |
01b8b3c7 | 22 | |
5fe736e5 | 23 | #include "internal/asn1_int.h" |
3aeb9348 | 24 | #include "internal/evp_int.h" |
18e377b4 | 25 | |
d02b48c6 | 26 | static void EVP_PKEY_free_it(EVP_PKEY *x); |
bb2297a4 | 27 | |
8900f3e3 | 28 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
29 | { |
30 | if (pkey && pkey->ameth && pkey->ameth->pkey_bits) | |
31 | return pkey->ameth->pkey_bits(pkey); | |
32 | return 0; | |
33 | } | |
58964a49 | 34 | |
2514fa79 | 35 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
36 | { |
37 | if (pkey == NULL) | |
38 | return 0; | |
39 | if (!pkey->ameth || !pkey->ameth->pkey_security_bits) | |
40 | return -2; | |
41 | return pkey->ameth->pkey_security_bits(pkey); | |
42 | } | |
2514fa79 | 43 | |
6b691a5c | 44 | int EVP_PKEY_size(EVP_PKEY *pkey) |
0f113f3e MC |
45 | { |
46 | if (pkey && pkey->ameth && pkey->ameth->pkey_size) | |
47 | return pkey->ameth->pkey_size(pkey); | |
48 | return 0; | |
49 | } | |
d02b48c6 | 50 | |
6b691a5c | 51 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 52 | { |
cf1b7d96 | 53 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
54 | if (pkey->type == EVP_PKEY_DSA) { |
55 | int ret = pkey->save_parameters; | |
56 | ||
57 | if (mode >= 0) | |
58 | pkey->save_parameters = mode; | |
26a7d938 | 59 | return ret; |
0f113f3e | 60 | } |
4d94ae00 | 61 | #endif |
5488bb61 | 62 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
63 | if (pkey->type == EVP_PKEY_EC) { |
64 | int ret = pkey->save_parameters; | |
65 | ||
66 | if (mode >= 0) | |
67 | pkey->save_parameters = mode; | |
26a7d938 | 68 | return ret; |
0f113f3e | 69 | } |
d02b48c6 | 70 | #endif |
26a7d938 | 71 | return 0; |
0f113f3e | 72 | } |
d02b48c6 | 73 | |
a8b72844 | 74 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 75 | { |
2986ecdc DSH |
76 | if (to->type == EVP_PKEY_NONE) { |
77 | if (EVP_PKEY_set_type(to, from->type) == 0) | |
78 | return 0; | |
79 | } else if (to->type != from->type) { | |
0f113f3e MC |
80 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
81 | goto err; | |
82 | } | |
83 | ||
84 | if (EVP_PKEY_missing_parameters(from)) { | |
85 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
86 | goto err; | |
87 | } | |
f72f00d4 DSH |
88 | |
89 | if (!EVP_PKEY_missing_parameters(to)) { | |
90 | if (EVP_PKEY_cmp_parameters(to, from) == 1) | |
91 | return 1; | |
92 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS); | |
93 | return 0; | |
94 | } | |
95 | ||
0f113f3e MC |
96 | if (from->ameth && from->ameth->param_copy) |
97 | return from->ameth->param_copy(to, from); | |
98 | err: | |
99 | return 0; | |
100 | } | |
d02b48c6 | 101 | |
af0f0f3e | 102 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e MC |
103 | { |
104 | if (pkey->ameth && pkey->ameth->param_missing) | |
105 | return pkey->ameth->param_missing(pkey); | |
106 | return 0; | |
107 | } | |
d02b48c6 | 108 | |
af0f0f3e | 109 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
110 | { |
111 | if (a->type != b->type) | |
112 | return -1; | |
113 | if (a->ameth && a->ameth->param_cmp) | |
114 | return a->ameth->param_cmp(a, b); | |
115 | return -2; | |
116 | } | |
58964a49 | 117 | |
af0f0f3e | 118 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
119 | { |
120 | if (a->type != b->type) | |
121 | return -1; | |
122 | ||
123 | if (a->ameth) { | |
124 | int ret; | |
125 | /* Compare parameters if the algorithm has them */ | |
126 | if (a->ameth->param_cmp) { | |
127 | ret = a->ameth->param_cmp(a, b); | |
128 | if (ret <= 0) | |
129 | return ret; | |
130 | } | |
131 | ||
132 | if (a->ameth->pub_cmp) | |
133 | return a->ameth->pub_cmp(a, b); | |
134 | } | |
135 | ||
136 | return -2; | |
137 | } | |
e6526fbf | 138 | |
6b691a5c | 139 | EVP_PKEY *EVP_PKEY_new(void) |
0f113f3e | 140 | { |
a2d0baa2 | 141 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 142 | |
0f113f3e MC |
143 | if (ret == NULL) { |
144 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
03273d61 | 145 | return NULL; |
0f113f3e MC |
146 | } |
147 | ret->type = EVP_PKEY_NONE; | |
148 | ret->save_type = EVP_PKEY_NONE; | |
149 | ret->references = 1; | |
0f113f3e | 150 | ret->save_parameters = 1; |
03273d61 AG |
151 | ret->lock = CRYPTO_THREAD_lock_new(); |
152 | if (ret->lock == NULL) { | |
153 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
154 | OPENSSL_free(ret); | |
155 | return NULL; | |
156 | } | |
157 | return ret; | |
0f113f3e MC |
158 | } |
159 | ||
c5ebfcab | 160 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
2872dbe1 | 161 | { |
03273d61 | 162 | int i; |
c5ebfcab | 163 | |
2f545ae4 | 164 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) |
c5ebfcab F |
165 | return 0; |
166 | ||
167 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
168 | REF_ASSERT_ISNT(i < 2); | |
169 | return ((i > 1) ? 1 : 0); | |
2872dbe1 DSH |
170 | } |
171 | ||
0f113f3e MC |
172 | /* |
173 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
174 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
175 | */ |
176 | ||
a08802ce MC |
177 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
178 | int len) | |
0f113f3e MC |
179 | { |
180 | const EVP_PKEY_ASN1_METHOD *ameth; | |
a08802ce MC |
181 | ENGINE **eptr = (e == NULL) ? &e : NULL; |
182 | ||
0f113f3e MC |
183 | if (pkey) { |
184 | if (pkey->pkey.ptr) | |
185 | EVP_PKEY_free_it(pkey); | |
186 | /* | |
187 | * If key type matches and a method exists then this lookup has | |
188 | * succeeded once so just indicate success. | |
189 | */ | |
190 | if ((type == pkey->save_type) && pkey->ameth) | |
191 | return 1; | |
01b8b3c7 | 192 | #ifndef OPENSSL_NO_ENGINE |
d19b01ad | 193 | /* If we have ENGINEs release them */ |
7c96dbcd RS |
194 | ENGINE_finish(pkey->engine); |
195 | pkey->engine = NULL; | |
d19b01ad DSH |
196 | ENGINE_finish(pkey->pmeth_engine); |
197 | pkey->pmeth_engine = NULL; | |
01b8b3c7 | 198 | #endif |
0f113f3e MC |
199 | } |
200 | if (str) | |
a08802ce | 201 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); |
0f113f3e | 202 | else |
a08802ce | 203 | ameth = EVP_PKEY_asn1_find(eptr, type); |
01b8b3c7 | 204 | #ifndef OPENSSL_NO_ENGINE |
a08802ce | 205 | if (pkey == NULL && eptr != NULL) |
0f113f3e | 206 | ENGINE_finish(e); |
01b8b3c7 | 207 | #endif |
7c96dbcd | 208 | if (ameth == NULL) { |
0f113f3e MC |
209 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
210 | return 0; | |
211 | } | |
212 | if (pkey) { | |
213 | pkey->ameth = ameth; | |
214 | pkey->engine = e; | |
215 | ||
216 | pkey->type = pkey->ameth->pkey_id; | |
217 | pkey->save_type = type; | |
218 | } | |
219 | return 1; | |
220 | } | |
01b8b3c7 | 221 | |
a08802ce MC |
222 | EVP_PKEY *EVP_PKEY_new_private_key(int type, ENGINE *e, unsigned char *priv, |
223 | size_t len) | |
224 | { | |
225 | EVP_PKEY *ret = EVP_PKEY_new(); | |
226 | ||
227 | if (ret == NULL | |
228 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
229 | /* EVPerr already called */ | |
230 | goto err; | |
231 | } | |
232 | ||
233 | if (ret->ameth->set_priv_key == NULL) { | |
234 | EVPerr(EVP_F_EVP_PKEY_NEW_PRIVATE_KEY, | |
235 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
236 | goto err; | |
237 | } | |
238 | ||
239 | if (!ret->ameth->set_priv_key(ret, priv, len)) { | |
240 | /* We assume the method function calls EVPerr */ | |
241 | goto err; | |
242 | } | |
243 | ||
244 | return ret; | |
245 | ||
246 | err: | |
247 | EVP_PKEY_free(ret); | |
248 | return NULL; | |
249 | } | |
250 | ||
251 | EVP_PKEY *EVP_PKEY_new_public_key(int type, ENGINE *e, unsigned char *pub, | |
252 | size_t len) | |
253 | { | |
254 | EVP_PKEY *ret = EVP_PKEY_new(); | |
255 | ||
256 | if (ret == NULL | |
257 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
258 | /* EVPerr already called */ | |
259 | goto err; | |
260 | } | |
261 | ||
262 | if (ret->ameth->set_pub_key == NULL) { | |
263 | EVPerr(EVP_F_EVP_PKEY_NEW_PUBLIC_KEY, | |
264 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
265 | goto err; | |
266 | } | |
267 | ||
268 | if (!ret->ameth->set_pub_key(ret, pub, len)) { | |
269 | /* We assume the method function calls EVPerr */ | |
270 | goto err; | |
271 | } | |
272 | ||
273 | return ret; | |
274 | ||
275 | err: | |
276 | EVP_PKEY_free(ret); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | ||
01b8b3c7 | 281 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 282 | { |
a08802ce | 283 | return pkey_set_type(pkey, NULL, type, NULL, -1); |
0f113f3e | 284 | } |
01b8b3c7 DSH |
285 | |
286 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 287 | { |
a08802ce | 288 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); |
0f113f3e | 289 | } |
d19b01ad DSH |
290 | #ifndef OPENSSL_NO_ENGINE |
291 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) | |
292 | { | |
293 | if (e != NULL) { | |
294 | if (!ENGINE_init(e)) { | |
295 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
296 | return 0; | |
297 | } | |
298 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
299 | ENGINE_finish(e); | |
300 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
301 | return 0; | |
302 | } | |
303 | } | |
304 | ENGINE_finish(pkey->pmeth_engine); | |
305 | pkey->pmeth_engine = e; | |
306 | return 1; | |
307 | } | |
308 | #endif | |
01b8b3c7 | 309 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 310 | { |
e34c66c6 | 311 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
312 | return 0; |
313 | pkey->pkey.ptr = key; | |
314 | return (key != NULL); | |
315 | } | |
d02b48c6 | 316 | |
3aeb9348 | 317 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
318 | { |
319 | return pkey->pkey.ptr; | |
320 | } | |
db98bbc1 | 321 | |
ebad0b0b NM |
322 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
323 | { | |
324 | ASN1_OCTET_STRING *os = NULL; | |
325 | if (pkey->type != EVP_PKEY_HMAC) { | |
326 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
327 | return NULL; | |
328 | } | |
329 | os = EVP_PKEY_get0(pkey); | |
330 | *len = os->length; | |
331 | return os->data; | |
332 | } | |
333 | ||
52ad5b60 TS |
334 | #ifndef OPENSSL_NO_POLY1305 |
335 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) | |
336 | { | |
337 | ASN1_OCTET_STRING *os = NULL; | |
338 | if (pkey->type != EVP_PKEY_POLY1305) { | |
339 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
340 | return NULL; | |
341 | } | |
342 | os = EVP_PKEY_get0(pkey); | |
343 | *len = os->length; | |
344 | return os->data; | |
345 | } | |
346 | #endif | |
347 | ||
3f5616d7 TS |
348 | #ifndef OPENSSL_NO_SIPHASH |
349 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) | |
350 | { | |
351 | ASN1_OCTET_STRING *os = NULL; | |
352 | ||
353 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
354 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
355 | return NULL; | |
356 | } | |
357 | os = EVP_PKEY_get0(pkey); | |
358 | *len = os->length; | |
359 | return os->data; | |
360 | } | |
361 | #endif | |
362 | ||
cf1b7d96 | 363 | #ifndef OPENSSL_NO_RSA |
c7cb16a8 | 364 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 365 | { |
0f113f3e MC |
366 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
367 | if (ret) | |
368 | RSA_up_ref(key); | |
369 | return ret; | |
52664f50 DSH |
370 | } |
371 | ||
2872dbe1 | 372 | RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) |
0f113f3e MC |
373 | { |
374 | if (pkey->type != EVP_PKEY_RSA) { | |
2872dbe1 | 375 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
376 | return NULL; |
377 | } | |
0f113f3e | 378 | return pkey->pkey.rsa; |
f769ce3e | 379 | } |
2872dbe1 DSH |
380 | |
381 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
382 | { | |
383 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
384 | if (ret != NULL) | |
385 | RSA_up_ref(ret); | |
386 | return ret; | |
387 | } | |
f769ce3e DSH |
388 | #endif |
389 | ||
cf1b7d96 | 390 | #ifndef OPENSSL_NO_DSA |
c7cb16a8 | 391 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 392 | { |
0f113f3e MC |
393 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
394 | if (ret) | |
395 | DSA_up_ref(key); | |
396 | return ret; | |
52664f50 DSH |
397 | } |
398 | ||
2872dbe1 | 399 | DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) |
0f113f3e MC |
400 | { |
401 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 402 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
403 | return NULL; |
404 | } | |
0f113f3e | 405 | return pkey->pkey.dsa; |
f769ce3e | 406 | } |
2872dbe1 DSH |
407 | |
408 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
409 | { | |
410 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
411 | if (ret != NULL) | |
412 | DSA_up_ref(ret); | |
413 | return ret; | |
414 | } | |
f769ce3e DSH |
415 | #endif |
416 | ||
14a7cfb3 | 417 | #ifndef OPENSSL_NO_EC |
4d94ae00 | 418 | |
14a7cfb3 | 419 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 420 | { |
0f113f3e MC |
421 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
422 | if (ret) | |
423 | EC_KEY_up_ref(key); | |
424 | return ret; | |
4d94ae00 BM |
425 | } |
426 | ||
2872dbe1 | 427 | EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) |
4d94ae00 | 428 | { |
0f113f3e | 429 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 430 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
431 | return NULL; |
432 | } | |
0f113f3e | 433 | return pkey->pkey.ec; |
4d94ae00 | 434 | } |
2872dbe1 DSH |
435 | |
436 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
437 | { | |
438 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
439 | if (ret != NULL) | |
440 | EC_KEY_up_ref(ret); | |
441 | return ret; | |
442 | } | |
4d94ae00 BM |
443 | #endif |
444 | ||
cf1b7d96 | 445 | #ifndef OPENSSL_NO_DH |
52664f50 | 446 | |
c7cb16a8 | 447 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 448 | { |
0f113f3e MC |
449 | int ret = EVP_PKEY_assign_DH(pkey, key); |
450 | if (ret) | |
451 | DH_up_ref(key); | |
452 | return ret; | |
52664f50 DSH |
453 | } |
454 | ||
2872dbe1 | 455 | DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) |
0f113f3e MC |
456 | { |
457 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 458 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
459 | return NULL; |
460 | } | |
0f113f3e | 461 | return pkey->pkey.dh; |
f769ce3e | 462 | } |
2872dbe1 DSH |
463 | |
464 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
465 | { | |
466 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
467 | if (ret != NULL) | |
468 | DH_up_ref(ret); | |
469 | return ret; | |
470 | } | |
f769ce3e DSH |
471 | #endif |
472 | ||
6b691a5c | 473 | int EVP_PKEY_type(int type) |
0f113f3e MC |
474 | { |
475 | int ret; | |
476 | const EVP_PKEY_ASN1_METHOD *ameth; | |
477 | ENGINE *e; | |
478 | ameth = EVP_PKEY_asn1_find(&e, type); | |
479 | if (ameth) | |
480 | ret = ameth->pkey_id; | |
481 | else | |
482 | ret = NID_undef; | |
01b8b3c7 | 483 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 484 | ENGINE_finish(e); |
01b8b3c7 | 485 | #endif |
0f113f3e MC |
486 | return ret; |
487 | } | |
d02b48c6 | 488 | |
7f57b076 | 489 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
490 | { |
491 | return pkey->type; | |
492 | } | |
7f57b076 DSH |
493 | |
494 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
495 | { |
496 | return EVP_PKEY_type(pkey->type); | |
497 | } | |
7f57b076 | 498 | |
6b691a5c | 499 | void EVP_PKEY_free(EVP_PKEY *x) |
0f113f3e MC |
500 | { |
501 | int i; | |
d02b48c6 | 502 | |
0f113f3e MC |
503 | if (x == NULL) |
504 | return; | |
d02b48c6 | 505 | |
2f545ae4 | 506 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); |
f3f1cf84 | 507 | REF_PRINT_COUNT("EVP_PKEY", x); |
0f113f3e MC |
508 | if (i > 0) |
509 | return; | |
f3f1cf84 | 510 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 511 | EVP_PKEY_free_it(x); |
d65c3615 | 512 | CRYPTO_THREAD_lock_free(x->lock); |
222561fe | 513 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
0f113f3e MC |
514 | OPENSSL_free(x); |
515 | } | |
d02b48c6 | 516 | |
6b691a5c | 517 | static void EVP_PKEY_free_it(EVP_PKEY *x) |
0f113f3e | 518 | { |
c5ba2d99 | 519 | /* internal function; x is never NULL */ |
0f113f3e MC |
520 | if (x->ameth && x->ameth->pkey_free) { |
521 | x->ameth->pkey_free(x); | |
522 | x->pkey.ptr = NULL; | |
523 | } | |
01b8b3c7 | 524 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd RS |
525 | ENGINE_finish(x->engine); |
526 | x->engine = NULL; | |
d19b01ad DSH |
527 | ENGINE_finish(x->pmeth_engine); |
528 | x->pmeth_engine = NULL; | |
01b8b3c7 | 529 | #endif |
0f113f3e | 530 | } |
d02b48c6 | 531 | |
35208f36 | 532 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
533 | const char *kstr) |
534 | { | |
535 | BIO_indent(out, indent, 128); | |
536 | BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
537 | kstr, OBJ_nid2ln(pkey->type)); | |
538 | return 1; | |
539 | } | |
35208f36 DSH |
540 | |
541 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
542 | int indent, ASN1_PCTX *pctx) |
543 | { | |
544 | if (pkey->ameth && pkey->ameth->pub_print) | |
545 | return pkey->ameth->pub_print(out, pkey, indent, pctx); | |
546 | ||
547 | return unsup_alg(out, pkey, indent, "Public Key"); | |
548 | } | |
35208f36 DSH |
549 | |
550 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
551 | int indent, ASN1_PCTX *pctx) |
552 | { | |
553 | if (pkey->ameth && pkey->ameth->priv_print) | |
554 | return pkey->ameth->priv_print(out, pkey, indent, pctx); | |
555 | ||
556 | return unsup_alg(out, pkey, indent, "Private Key"); | |
557 | } | |
35208f36 DSH |
558 | |
559 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
560 | int indent, ASN1_PCTX *pctx) |
561 | { | |
562 | if (pkey->ameth && pkey->ameth->param_print) | |
563 | return pkey->ameth->param_print(out, pkey, indent, pctx); | |
564 | return unsup_alg(out, pkey, indent, "Parameters"); | |
565 | } | |
03919683 | 566 | |
5d6aaf8a | 567 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 568 | { |
5d6aaf8a | 569 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 570 | return -2; |
5d6aaf8a DSH |
571 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
572 | } | |
573 | ||
574 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
575 | { | |
576 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
577 | } | |
578 | ||
579 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, | |
580 | const unsigned char *pt, size_t ptlen) | |
581 | { | |
582 | if (ptlen > INT_MAX) | |
583 | return 0; | |
584 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
585 | (void *)pt) <= 0) | |
586 | return 0; | |
587 | return 1; | |
588 | } | |
589 | ||
590 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
591 | { | |
592 | int rv; | |
593 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
594 | if (rv <= 0) | |
595 | return 0; | |
596 | return rv; | |
0f113f3e | 597 | } |