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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 | |
e32b52a2 MC |
222 | EVP_PKEY *EVP_PKEY_new_private_key(int type, ENGINE *e, |
223 | const unsigned char *priv, | |
a08802ce MC |
224 | size_t len) |
225 | { | |
226 | EVP_PKEY *ret = EVP_PKEY_new(); | |
227 | ||
228 | if (ret == NULL | |
229 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
230 | /* EVPerr already called */ | |
231 | goto err; | |
232 | } | |
233 | ||
234 | if (ret->ameth->set_priv_key == NULL) { | |
235 | EVPerr(EVP_F_EVP_PKEY_NEW_PRIVATE_KEY, | |
236 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
237 | goto err; | |
238 | } | |
239 | ||
240 | if (!ret->ameth->set_priv_key(ret, priv, len)) { | |
241 | /* We assume the method function calls EVPerr */ | |
242 | goto err; | |
243 | } | |
244 | ||
245 | return ret; | |
246 | ||
247 | err: | |
248 | EVP_PKEY_free(ret); | |
249 | return NULL; | |
250 | } | |
251 | ||
e32b52a2 MC |
252 | EVP_PKEY *EVP_PKEY_new_public_key(int type, ENGINE *e, |
253 | const unsigned char *pub, | |
a08802ce MC |
254 | size_t len) |
255 | { | |
256 | EVP_PKEY *ret = EVP_PKEY_new(); | |
257 | ||
258 | if (ret == NULL | |
259 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
260 | /* EVPerr already called */ | |
261 | goto err; | |
262 | } | |
263 | ||
264 | if (ret->ameth->set_pub_key == NULL) { | |
265 | EVPerr(EVP_F_EVP_PKEY_NEW_PUBLIC_KEY, | |
266 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
267 | goto err; | |
268 | } | |
269 | ||
270 | if (!ret->ameth->set_pub_key(ret, pub, len)) { | |
271 | /* We assume the method function calls EVPerr */ | |
272 | goto err; | |
273 | } | |
274 | ||
275 | return ret; | |
276 | ||
277 | err: | |
278 | EVP_PKEY_free(ret); | |
279 | return NULL; | |
280 | } | |
281 | ||
282 | ||
01b8b3c7 | 283 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 284 | { |
a08802ce | 285 | return pkey_set_type(pkey, NULL, type, NULL, -1); |
0f113f3e | 286 | } |
01b8b3c7 DSH |
287 | |
288 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 289 | { |
a08802ce | 290 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); |
0f113f3e | 291 | } |
d19b01ad DSH |
292 | #ifndef OPENSSL_NO_ENGINE |
293 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) | |
294 | { | |
295 | if (e != NULL) { | |
296 | if (!ENGINE_init(e)) { | |
297 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
298 | return 0; | |
299 | } | |
300 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
301 | ENGINE_finish(e); | |
302 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
303 | return 0; | |
304 | } | |
305 | } | |
306 | ENGINE_finish(pkey->pmeth_engine); | |
307 | pkey->pmeth_engine = e; | |
308 | return 1; | |
309 | } | |
310 | #endif | |
01b8b3c7 | 311 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 312 | { |
e34c66c6 | 313 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
314 | return 0; |
315 | pkey->pkey.ptr = key; | |
316 | return (key != NULL); | |
317 | } | |
d02b48c6 | 318 | |
3aeb9348 | 319 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
320 | { |
321 | return pkey->pkey.ptr; | |
322 | } | |
db98bbc1 | 323 | |
ebad0b0b NM |
324 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
325 | { | |
326 | ASN1_OCTET_STRING *os = NULL; | |
327 | if (pkey->type != EVP_PKEY_HMAC) { | |
328 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
329 | return NULL; | |
330 | } | |
331 | os = EVP_PKEY_get0(pkey); | |
332 | *len = os->length; | |
333 | return os->data; | |
334 | } | |
335 | ||
52ad5b60 TS |
336 | #ifndef OPENSSL_NO_POLY1305 |
337 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) | |
338 | { | |
339 | ASN1_OCTET_STRING *os = NULL; | |
340 | if (pkey->type != EVP_PKEY_POLY1305) { | |
341 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
342 | return NULL; | |
343 | } | |
344 | os = EVP_PKEY_get0(pkey); | |
345 | *len = os->length; | |
346 | return os->data; | |
347 | } | |
348 | #endif | |
349 | ||
3f5616d7 TS |
350 | #ifndef OPENSSL_NO_SIPHASH |
351 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) | |
352 | { | |
353 | ASN1_OCTET_STRING *os = NULL; | |
354 | ||
355 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
356 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
357 | return NULL; | |
358 | } | |
359 | os = EVP_PKEY_get0(pkey); | |
360 | *len = os->length; | |
361 | return os->data; | |
362 | } | |
363 | #endif | |
364 | ||
cf1b7d96 | 365 | #ifndef OPENSSL_NO_RSA |
c7cb16a8 | 366 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 367 | { |
0f113f3e MC |
368 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
369 | if (ret) | |
370 | RSA_up_ref(key); | |
371 | return ret; | |
52664f50 DSH |
372 | } |
373 | ||
2872dbe1 | 374 | RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) |
0f113f3e MC |
375 | { |
376 | if (pkey->type != EVP_PKEY_RSA) { | |
2872dbe1 | 377 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
378 | return NULL; |
379 | } | |
0f113f3e | 380 | return pkey->pkey.rsa; |
f769ce3e | 381 | } |
2872dbe1 DSH |
382 | |
383 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
384 | { | |
385 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
386 | if (ret != NULL) | |
387 | RSA_up_ref(ret); | |
388 | return ret; | |
389 | } | |
f769ce3e DSH |
390 | #endif |
391 | ||
cf1b7d96 | 392 | #ifndef OPENSSL_NO_DSA |
c7cb16a8 | 393 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 394 | { |
0f113f3e MC |
395 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
396 | if (ret) | |
397 | DSA_up_ref(key); | |
398 | return ret; | |
52664f50 DSH |
399 | } |
400 | ||
2872dbe1 | 401 | DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) |
0f113f3e MC |
402 | { |
403 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 404 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
405 | return NULL; |
406 | } | |
0f113f3e | 407 | return pkey->pkey.dsa; |
f769ce3e | 408 | } |
2872dbe1 DSH |
409 | |
410 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
411 | { | |
412 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
413 | if (ret != NULL) | |
414 | DSA_up_ref(ret); | |
415 | return ret; | |
416 | } | |
f769ce3e DSH |
417 | #endif |
418 | ||
14a7cfb3 | 419 | #ifndef OPENSSL_NO_EC |
4d94ae00 | 420 | |
14a7cfb3 | 421 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 422 | { |
0f113f3e MC |
423 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
424 | if (ret) | |
425 | EC_KEY_up_ref(key); | |
426 | return ret; | |
4d94ae00 BM |
427 | } |
428 | ||
2872dbe1 | 429 | EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) |
4d94ae00 | 430 | { |
0f113f3e | 431 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 432 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
433 | return NULL; |
434 | } | |
0f113f3e | 435 | return pkey->pkey.ec; |
4d94ae00 | 436 | } |
2872dbe1 DSH |
437 | |
438 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
439 | { | |
440 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
441 | if (ret != NULL) | |
442 | EC_KEY_up_ref(ret); | |
443 | return ret; | |
444 | } | |
4d94ae00 BM |
445 | #endif |
446 | ||
cf1b7d96 | 447 | #ifndef OPENSSL_NO_DH |
52664f50 | 448 | |
c7cb16a8 | 449 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 450 | { |
0f113f3e MC |
451 | int ret = EVP_PKEY_assign_DH(pkey, key); |
452 | if (ret) | |
453 | DH_up_ref(key); | |
454 | return ret; | |
52664f50 DSH |
455 | } |
456 | ||
2872dbe1 | 457 | DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) |
0f113f3e MC |
458 | { |
459 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 460 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
461 | return NULL; |
462 | } | |
0f113f3e | 463 | return pkey->pkey.dh; |
f769ce3e | 464 | } |
2872dbe1 DSH |
465 | |
466 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
467 | { | |
468 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
469 | if (ret != NULL) | |
470 | DH_up_ref(ret); | |
471 | return ret; | |
472 | } | |
f769ce3e DSH |
473 | #endif |
474 | ||
6b691a5c | 475 | int EVP_PKEY_type(int type) |
0f113f3e MC |
476 | { |
477 | int ret; | |
478 | const EVP_PKEY_ASN1_METHOD *ameth; | |
479 | ENGINE *e; | |
480 | ameth = EVP_PKEY_asn1_find(&e, type); | |
481 | if (ameth) | |
482 | ret = ameth->pkey_id; | |
483 | else | |
484 | ret = NID_undef; | |
01b8b3c7 | 485 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 486 | ENGINE_finish(e); |
01b8b3c7 | 487 | #endif |
0f113f3e MC |
488 | return ret; |
489 | } | |
d02b48c6 | 490 | |
7f57b076 | 491 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
492 | { |
493 | return pkey->type; | |
494 | } | |
7f57b076 DSH |
495 | |
496 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
497 | { |
498 | return EVP_PKEY_type(pkey->type); | |
499 | } | |
7f57b076 | 500 | |
6b691a5c | 501 | void EVP_PKEY_free(EVP_PKEY *x) |
0f113f3e MC |
502 | { |
503 | int i; | |
d02b48c6 | 504 | |
0f113f3e MC |
505 | if (x == NULL) |
506 | return; | |
d02b48c6 | 507 | |
2f545ae4 | 508 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); |
f3f1cf84 | 509 | REF_PRINT_COUNT("EVP_PKEY", x); |
0f113f3e MC |
510 | if (i > 0) |
511 | return; | |
f3f1cf84 | 512 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 513 | EVP_PKEY_free_it(x); |
d65c3615 | 514 | CRYPTO_THREAD_lock_free(x->lock); |
222561fe | 515 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
0f113f3e MC |
516 | OPENSSL_free(x); |
517 | } | |
d02b48c6 | 518 | |
6b691a5c | 519 | static void EVP_PKEY_free_it(EVP_PKEY *x) |
0f113f3e | 520 | { |
c5ba2d99 | 521 | /* internal function; x is never NULL */ |
0f113f3e MC |
522 | if (x->ameth && x->ameth->pkey_free) { |
523 | x->ameth->pkey_free(x); | |
524 | x->pkey.ptr = NULL; | |
525 | } | |
01b8b3c7 | 526 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd RS |
527 | ENGINE_finish(x->engine); |
528 | x->engine = NULL; | |
d19b01ad DSH |
529 | ENGINE_finish(x->pmeth_engine); |
530 | x->pmeth_engine = NULL; | |
01b8b3c7 | 531 | #endif |
0f113f3e | 532 | } |
d02b48c6 | 533 | |
35208f36 | 534 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
535 | const char *kstr) |
536 | { | |
537 | BIO_indent(out, indent, 128); | |
538 | BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
539 | kstr, OBJ_nid2ln(pkey->type)); | |
540 | return 1; | |
541 | } | |
35208f36 DSH |
542 | |
543 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
544 | int indent, ASN1_PCTX *pctx) |
545 | { | |
546 | if (pkey->ameth && pkey->ameth->pub_print) | |
547 | return pkey->ameth->pub_print(out, pkey, indent, pctx); | |
548 | ||
549 | return unsup_alg(out, pkey, indent, "Public Key"); | |
550 | } | |
35208f36 DSH |
551 | |
552 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
553 | int indent, ASN1_PCTX *pctx) |
554 | { | |
555 | if (pkey->ameth && pkey->ameth->priv_print) | |
556 | return pkey->ameth->priv_print(out, pkey, indent, pctx); | |
557 | ||
558 | return unsup_alg(out, pkey, indent, "Private Key"); | |
559 | } | |
35208f36 DSH |
560 | |
561 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
562 | int indent, ASN1_PCTX *pctx) |
563 | { | |
564 | if (pkey->ameth && pkey->ameth->param_print) | |
565 | return pkey->ameth->param_print(out, pkey, indent, pctx); | |
566 | return unsup_alg(out, pkey, indent, "Parameters"); | |
567 | } | |
03919683 | 568 | |
5d6aaf8a | 569 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 570 | { |
5d6aaf8a | 571 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 572 | return -2; |
5d6aaf8a DSH |
573 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
574 | } | |
575 | ||
576 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
577 | { | |
578 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
579 | } | |
580 | ||
581 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, | |
582 | const unsigned char *pt, size_t ptlen) | |
583 | { | |
584 | if (ptlen > INT_MAX) | |
585 | return 0; | |
586 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
587 | (void *)pt) <= 0) | |
588 | return 0; | |
589 | return 1; | |
590 | } | |
591 | ||
592 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
593 | { | |
594 | int rv; | |
595 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
596 | if (rv <= 0) | |
597 | return 0; | |
598 | return rv; | |
0f113f3e | 599 | } |