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Commit | Line | Data |
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62867571 | 1 | /* |
b0edda11 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
4a8b0c55 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
62867571 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 | ||
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> | |
b3831fbb | 21 | #include <openssl/cmac.h> |
3c27208f | 22 | #include <openssl/engine.h> |
e74bd290 RL |
23 | #include <openssl/params.h> |
24 | #include <openssl/core_names.h> | |
01b8b3c7 | 25 | |
5fe736e5 | 26 | #include "internal/asn1_int.h" |
3aeb9348 | 27 | #include "internal/evp_int.h" |
e74bd290 | 28 | #include "internal/provider.h" |
18e377b4 | 29 | |
d02b48c6 | 30 | static void EVP_PKEY_free_it(EVP_PKEY *x); |
bb2297a4 | 31 | |
8900f3e3 | 32 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
33 | { |
34 | if (pkey && pkey->ameth && pkey->ameth->pkey_bits) | |
35 | return pkey->ameth->pkey_bits(pkey); | |
36 | return 0; | |
37 | } | |
58964a49 | 38 | |
2514fa79 | 39 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
40 | { |
41 | if (pkey == NULL) | |
42 | return 0; | |
43 | if (!pkey->ameth || !pkey->ameth->pkey_security_bits) | |
44 | return -2; | |
45 | return pkey->ameth->pkey_security_bits(pkey); | |
46 | } | |
2514fa79 | 47 | |
47ec2367 | 48 | int EVP_PKEY_size(const EVP_PKEY *pkey) |
0f113f3e MC |
49 | { |
50 | if (pkey && pkey->ameth && pkey->ameth->pkey_size) | |
51 | return pkey->ameth->pkey_size(pkey); | |
52 | return 0; | |
53 | } | |
d02b48c6 | 54 | |
6b691a5c | 55 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 56 | { |
cf1b7d96 | 57 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
58 | if (pkey->type == EVP_PKEY_DSA) { |
59 | int ret = pkey->save_parameters; | |
60 | ||
61 | if (mode >= 0) | |
62 | pkey->save_parameters = mode; | |
26a7d938 | 63 | return ret; |
0f113f3e | 64 | } |
4d94ae00 | 65 | #endif |
5488bb61 | 66 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
67 | if (pkey->type == EVP_PKEY_EC) { |
68 | int ret = pkey->save_parameters; | |
69 | ||
70 | if (mode >= 0) | |
71 | pkey->save_parameters = mode; | |
26a7d938 | 72 | return ret; |
0f113f3e | 73 | } |
d02b48c6 | 74 | #endif |
26a7d938 | 75 | return 0; |
0f113f3e | 76 | } |
d02b48c6 | 77 | |
a8b72844 | 78 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 79 | { |
2986ecdc DSH |
80 | if (to->type == EVP_PKEY_NONE) { |
81 | if (EVP_PKEY_set_type(to, from->type) == 0) | |
82 | return 0; | |
83 | } else if (to->type != from->type) { | |
0f113f3e MC |
84 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
85 | goto err; | |
86 | } | |
87 | ||
88 | if (EVP_PKEY_missing_parameters(from)) { | |
89 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
90 | goto err; | |
91 | } | |
f72f00d4 DSH |
92 | |
93 | if (!EVP_PKEY_missing_parameters(to)) { | |
94 | if (EVP_PKEY_cmp_parameters(to, from) == 1) | |
95 | return 1; | |
96 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS); | |
97 | return 0; | |
98 | } | |
99 | ||
0f113f3e MC |
100 | if (from->ameth && from->ameth->param_copy) |
101 | return from->ameth->param_copy(to, from); | |
102 | err: | |
103 | return 0; | |
104 | } | |
d02b48c6 | 105 | |
af0f0f3e | 106 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e MC |
107 | { |
108 | if (pkey->ameth && pkey->ameth->param_missing) | |
109 | return pkey->ameth->param_missing(pkey); | |
110 | return 0; | |
111 | } | |
d02b48c6 | 112 | |
af0f0f3e | 113 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
114 | { |
115 | if (a->type != b->type) | |
116 | return -1; | |
117 | if (a->ameth && a->ameth->param_cmp) | |
118 | return a->ameth->param_cmp(a, b); | |
119 | return -2; | |
120 | } | |
58964a49 | 121 | |
af0f0f3e | 122 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
123 | { |
124 | if (a->type != b->type) | |
125 | return -1; | |
126 | ||
127 | if (a->ameth) { | |
128 | int ret; | |
129 | /* Compare parameters if the algorithm has them */ | |
130 | if (a->ameth->param_cmp) { | |
131 | ret = a->ameth->param_cmp(a, b); | |
132 | if (ret <= 0) | |
133 | return ret; | |
134 | } | |
135 | ||
136 | if (a->ameth->pub_cmp) | |
137 | return a->ameth->pub_cmp(a, b); | |
138 | } | |
139 | ||
140 | return -2; | |
141 | } | |
e6526fbf | 142 | |
6b691a5c | 143 | EVP_PKEY *EVP_PKEY_new(void) |
0f113f3e | 144 | { |
a2d0baa2 | 145 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 146 | |
0f113f3e MC |
147 | if (ret == NULL) { |
148 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
03273d61 | 149 | return NULL; |
0f113f3e MC |
150 | } |
151 | ret->type = EVP_PKEY_NONE; | |
152 | ret->save_type = EVP_PKEY_NONE; | |
153 | ret->references = 1; | |
0f113f3e | 154 | ret->save_parameters = 1; |
03273d61 AG |
155 | ret->lock = CRYPTO_THREAD_lock_new(); |
156 | if (ret->lock == NULL) { | |
157 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
158 | OPENSSL_free(ret); | |
159 | return NULL; | |
160 | } | |
161 | return ret; | |
0f113f3e MC |
162 | } |
163 | ||
c5ebfcab | 164 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
2872dbe1 | 165 | { |
03273d61 | 166 | int i; |
c5ebfcab | 167 | |
2f545ae4 | 168 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) |
c5ebfcab F |
169 | return 0; |
170 | ||
171 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
172 | REF_ASSERT_ISNT(i < 2); | |
173 | return ((i > 1) ? 1 : 0); | |
2872dbe1 DSH |
174 | } |
175 | ||
0f113f3e MC |
176 | /* |
177 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
178 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
179 | */ |
180 | ||
a08802ce MC |
181 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
182 | int len) | |
0f113f3e MC |
183 | { |
184 | const EVP_PKEY_ASN1_METHOD *ameth; | |
a08802ce MC |
185 | ENGINE **eptr = (e == NULL) ? &e : NULL; |
186 | ||
0f113f3e MC |
187 | if (pkey) { |
188 | if (pkey->pkey.ptr) | |
189 | EVP_PKEY_free_it(pkey); | |
190 | /* | |
191 | * If key type matches and a method exists then this lookup has | |
192 | * succeeded once so just indicate success. | |
193 | */ | |
194 | if ((type == pkey->save_type) && pkey->ameth) | |
195 | return 1; | |
01b8b3c7 | 196 | #ifndef OPENSSL_NO_ENGINE |
d19b01ad | 197 | /* If we have ENGINEs release them */ |
7c96dbcd RS |
198 | ENGINE_finish(pkey->engine); |
199 | pkey->engine = NULL; | |
d19b01ad DSH |
200 | ENGINE_finish(pkey->pmeth_engine); |
201 | pkey->pmeth_engine = NULL; | |
01b8b3c7 | 202 | #endif |
0f113f3e MC |
203 | } |
204 | if (str) | |
a08802ce | 205 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); |
0f113f3e | 206 | else |
a08802ce | 207 | ameth = EVP_PKEY_asn1_find(eptr, type); |
01b8b3c7 | 208 | #ifndef OPENSSL_NO_ENGINE |
a08802ce | 209 | if (pkey == NULL && eptr != NULL) |
0f113f3e | 210 | ENGINE_finish(e); |
01b8b3c7 | 211 | #endif |
7c96dbcd | 212 | if (ameth == NULL) { |
0f113f3e MC |
213 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
214 | return 0; | |
215 | } | |
216 | if (pkey) { | |
217 | pkey->ameth = ameth; | |
218 | pkey->engine = e; | |
219 | ||
220 | pkey->type = pkey->ameth->pkey_id; | |
221 | pkey->save_type = type; | |
222 | } | |
223 | return 1; | |
224 | } | |
01b8b3c7 | 225 | |
f929439f MC |
226 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
227 | const unsigned char *priv, | |
228 | size_t len) | |
a08802ce MC |
229 | { |
230 | EVP_PKEY *ret = EVP_PKEY_new(); | |
231 | ||
232 | if (ret == NULL | |
233 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
234 | /* EVPerr already called */ | |
235 | goto err; | |
236 | } | |
237 | ||
238 | if (ret->ameth->set_priv_key == NULL) { | |
f929439f | 239 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, |
a08802ce MC |
240 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
241 | goto err; | |
242 | } | |
243 | ||
244 | if (!ret->ameth->set_priv_key(ret, priv, len)) { | |
f929439f | 245 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED); |
a08802ce MC |
246 | goto err; |
247 | } | |
248 | ||
249 | return ret; | |
250 | ||
251 | err: | |
252 | EVP_PKEY_free(ret); | |
253 | return NULL; | |
254 | } | |
255 | ||
f929439f MC |
256 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, |
257 | const unsigned char *pub, | |
258 | size_t len) | |
a08802ce MC |
259 | { |
260 | EVP_PKEY *ret = EVP_PKEY_new(); | |
261 | ||
262 | if (ret == NULL | |
263 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
264 | /* EVPerr already called */ | |
265 | goto err; | |
266 | } | |
267 | ||
268 | if (ret->ameth->set_pub_key == NULL) { | |
f929439f | 269 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, |
a08802ce MC |
270 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
271 | goto err; | |
272 | } | |
273 | ||
274 | if (!ret->ameth->set_pub_key(ret, pub, len)) { | |
f929439f | 275 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED); |
a08802ce MC |
276 | goto err; |
277 | } | |
278 | ||
279 | return ret; | |
280 | ||
281 | err: | |
282 | EVP_PKEY_free(ret); | |
283 | return NULL; | |
284 | } | |
285 | ||
0d124b0a MC |
286 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
287 | size_t *len) | |
288 | { | |
289 | if (pkey->ameth->get_priv_key == NULL) { | |
290 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, | |
291 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
292 | return 0; | |
293 | } | |
294 | ||
295 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
296 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | return 1; | |
301 | } | |
302 | ||
303 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
304 | size_t *len) | |
305 | { | |
306 | if (pkey->ameth->get_pub_key == NULL) { | |
307 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, | |
308 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
309 | return 0; | |
310 | } | |
311 | ||
312 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
313 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
314 | return 0; | |
315 | } | |
316 | ||
317 | return 1; | |
318 | } | |
319 | ||
b3831fbb MC |
320 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
321 | size_t len, const EVP_CIPHER *cipher) | |
322 | { | |
df6d51e2 | 323 | #ifndef OPENSSL_NO_CMAC |
e74bd290 RL |
324 | const char *engine_name = e != NULL ? ENGINE_get_name(e) : NULL; |
325 | const char *cipher_name = EVP_CIPHER_name(cipher); | |
326 | const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher); | |
327 | OPENSSL_CTX *libctx = | |
328 | prov == NULL ? NULL : ossl_provider_library_context(prov); | |
b3831fbb | 329 | EVP_PKEY *ret = EVP_PKEY_new(); |
e74bd290 RL |
330 | EVP_MAC *cmac = EVP_MAC_fetch(libctx, "CMAC", NULL); |
331 | EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL; | |
332 | OSSL_PARAM params[4]; | |
333 | size_t paramsn = 0; | |
b3831fbb MC |
334 | |
335 | if (ret == NULL | |
336 | || cmctx == NULL | |
337 | || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) { | |
338 | /* EVPerr already called */ | |
339 | goto err; | |
340 | } | |
341 | ||
e74bd290 RL |
342 | if (engine_name != NULL) |
343 | params[paramsn++] = | |
344 | OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_ENGINE, | |
345 | (char *)engine_name, | |
346 | strlen(engine_name) + 1); | |
347 | params[paramsn++] = | |
348 | OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_ALGORITHM, | |
349 | (char *)cipher_name, | |
350 | strlen(cipher_name) + 1); | |
351 | params[paramsn++] = | |
352 | OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, | |
353 | (char *)priv, len); | |
354 | params[paramsn] = OSSL_PARAM_construct_end(); | |
355 | ||
356 | if (!EVP_MAC_CTX_set_params(cmctx, params)) { | |
b3831fbb MC |
357 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED); |
358 | goto err; | |
359 | } | |
360 | ||
361 | ret->pkey.ptr = cmctx; | |
362 | return ret; | |
363 | ||
364 | err: | |
365 | EVP_PKEY_free(ret); | |
b8d77c9b | 366 | EVP_MAC_CTX_free(cmctx); |
e74bd290 | 367 | EVP_MAC_free(cmac); |
b3831fbb | 368 | return NULL; |
df6d51e2 MC |
369 | #else |
370 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, | |
371 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
372 | return NULL; | |
373 | #endif | |
b3831fbb | 374 | } |
a08802ce | 375 | |
01b8b3c7 | 376 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 377 | { |
a08802ce | 378 | return pkey_set_type(pkey, NULL, type, NULL, -1); |
0f113f3e | 379 | } |
01b8b3c7 DSH |
380 | |
381 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 382 | { |
a08802ce | 383 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); |
0f113f3e | 384 | } |
2f2e6b62 JL |
385 | |
386 | int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type) | |
387 | { | |
388 | if (pkey->type == type) { | |
389 | return 1; /* it already is that type */ | |
390 | } | |
391 | ||
392 | /* | |
393 | * The application is requesting to alias this to a different pkey type, | |
394 | * but not one that resolves to the base type. | |
395 | */ | |
396 | if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) { | |
397 | EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); | |
398 | return 0; | |
399 | } | |
400 | ||
401 | pkey->type = type; | |
402 | return 1; | |
403 | } | |
404 | ||
d19b01ad DSH |
405 | #ifndef OPENSSL_NO_ENGINE |
406 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) | |
407 | { | |
408 | if (e != NULL) { | |
409 | if (!ENGINE_init(e)) { | |
410 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
411 | return 0; | |
412 | } | |
413 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
414 | ENGINE_finish(e); | |
415 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
416 | return 0; | |
417 | } | |
418 | } | |
419 | ENGINE_finish(pkey->pmeth_engine); | |
420 | pkey->pmeth_engine = e; | |
421 | return 1; | |
422 | } | |
229f7b38 DB |
423 | |
424 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
425 | { | |
426 | return pkey->engine; | |
427 | } | |
d19b01ad | 428 | #endif |
01b8b3c7 | 429 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 430 | { |
e34c66c6 | 431 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
432 | return 0; |
433 | pkey->pkey.ptr = key; | |
434 | return (key != NULL); | |
435 | } | |
d02b48c6 | 436 | |
3aeb9348 | 437 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
438 | { |
439 | return pkey->pkey.ptr; | |
440 | } | |
db98bbc1 | 441 | |
ebad0b0b NM |
442 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
443 | { | |
444 | ASN1_OCTET_STRING *os = NULL; | |
445 | if (pkey->type != EVP_PKEY_HMAC) { | |
446 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
447 | return NULL; | |
448 | } | |
449 | os = EVP_PKEY_get0(pkey); | |
450 | *len = os->length; | |
451 | return os->data; | |
452 | } | |
453 | ||
52ad5b60 TS |
454 | #ifndef OPENSSL_NO_POLY1305 |
455 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) | |
456 | { | |
457 | ASN1_OCTET_STRING *os = NULL; | |
458 | if (pkey->type != EVP_PKEY_POLY1305) { | |
459 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
460 | return NULL; | |
461 | } | |
462 | os = EVP_PKEY_get0(pkey); | |
463 | *len = os->length; | |
464 | return os->data; | |
465 | } | |
466 | #endif | |
467 | ||
3f5616d7 TS |
468 | #ifndef OPENSSL_NO_SIPHASH |
469 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) | |
470 | { | |
471 | ASN1_OCTET_STRING *os = NULL; | |
472 | ||
473 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
474 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
475 | return NULL; | |
476 | } | |
477 | os = EVP_PKEY_get0(pkey); | |
478 | *len = os->length; | |
479 | return os->data; | |
480 | } | |
481 | #endif | |
482 | ||
cf1b7d96 | 483 | #ifndef OPENSSL_NO_RSA |
c7cb16a8 | 484 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 485 | { |
0f113f3e MC |
486 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
487 | if (ret) | |
488 | RSA_up_ref(key); | |
489 | return ret; | |
52664f50 DSH |
490 | } |
491 | ||
9fdcc21f | 492 | RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey) |
0f113f3e MC |
493 | { |
494 | if (pkey->type != EVP_PKEY_RSA) { | |
2872dbe1 | 495 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
496 | return NULL; |
497 | } | |
0f113f3e | 498 | return pkey->pkey.rsa; |
f769ce3e | 499 | } |
2872dbe1 DSH |
500 | |
501 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
502 | { | |
503 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
504 | if (ret != NULL) | |
505 | RSA_up_ref(ret); | |
506 | return ret; | |
507 | } | |
f769ce3e DSH |
508 | #endif |
509 | ||
cf1b7d96 | 510 | #ifndef OPENSSL_NO_DSA |
c7cb16a8 | 511 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 512 | { |
0f113f3e MC |
513 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
514 | if (ret) | |
515 | DSA_up_ref(key); | |
516 | return ret; | |
52664f50 DSH |
517 | } |
518 | ||
9fdcc21f | 519 | DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
0f113f3e MC |
520 | { |
521 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 522 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
523 | return NULL; |
524 | } | |
0f113f3e | 525 | return pkey->pkey.dsa; |
f769ce3e | 526 | } |
2872dbe1 DSH |
527 | |
528 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
529 | { | |
530 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
531 | if (ret != NULL) | |
532 | DSA_up_ref(ret); | |
533 | return ret; | |
534 | } | |
f769ce3e DSH |
535 | #endif |
536 | ||
14a7cfb3 | 537 | #ifndef OPENSSL_NO_EC |
4d94ae00 | 538 | |
14a7cfb3 | 539 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 540 | { |
0f113f3e MC |
541 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
542 | if (ret) | |
543 | EC_KEY_up_ref(key); | |
544 | return ret; | |
4d94ae00 BM |
545 | } |
546 | ||
9fdcc21f | 547 | EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey) |
4d94ae00 | 548 | { |
0f113f3e | 549 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 550 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
551 | return NULL; |
552 | } | |
0f113f3e | 553 | return pkey->pkey.ec; |
4d94ae00 | 554 | } |
2872dbe1 DSH |
555 | |
556 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
557 | { | |
558 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
559 | if (ret != NULL) | |
560 | EC_KEY_up_ref(ret); | |
561 | return ret; | |
562 | } | |
4d94ae00 BM |
563 | #endif |
564 | ||
cf1b7d96 | 565 | #ifndef OPENSSL_NO_DH |
52664f50 | 566 | |
c7cb16a8 | 567 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 568 | { |
0f113f3e MC |
569 | int ret = EVP_PKEY_assign_DH(pkey, key); |
570 | if (ret) | |
571 | DH_up_ref(key); | |
572 | return ret; | |
52664f50 DSH |
573 | } |
574 | ||
9fdcc21f | 575 | DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
0f113f3e MC |
576 | { |
577 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 578 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
579 | return NULL; |
580 | } | |
0f113f3e | 581 | return pkey->pkey.dh; |
f769ce3e | 582 | } |
2872dbe1 DSH |
583 | |
584 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
585 | { | |
586 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
587 | if (ret != NULL) | |
588 | DH_up_ref(ret); | |
589 | return ret; | |
590 | } | |
f769ce3e DSH |
591 | #endif |
592 | ||
6b691a5c | 593 | int EVP_PKEY_type(int type) |
0f113f3e MC |
594 | { |
595 | int ret; | |
596 | const EVP_PKEY_ASN1_METHOD *ameth; | |
597 | ENGINE *e; | |
598 | ameth = EVP_PKEY_asn1_find(&e, type); | |
599 | if (ameth) | |
600 | ret = ameth->pkey_id; | |
601 | else | |
602 | ret = NID_undef; | |
01b8b3c7 | 603 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 604 | ENGINE_finish(e); |
01b8b3c7 | 605 | #endif |
0f113f3e MC |
606 | return ret; |
607 | } | |
d02b48c6 | 608 | |
7f57b076 | 609 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
610 | { |
611 | return pkey->type; | |
612 | } | |
7f57b076 DSH |
613 | |
614 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
615 | { |
616 | return EVP_PKEY_type(pkey->type); | |
617 | } | |
7f57b076 | 618 | |
6b691a5c | 619 | void EVP_PKEY_free(EVP_PKEY *x) |
0f113f3e MC |
620 | { |
621 | int i; | |
d02b48c6 | 622 | |
0f113f3e MC |
623 | if (x == NULL) |
624 | return; | |
d02b48c6 | 625 | |
2f545ae4 | 626 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); |
f3f1cf84 | 627 | REF_PRINT_COUNT("EVP_PKEY", x); |
0f113f3e MC |
628 | if (i > 0) |
629 | return; | |
f3f1cf84 | 630 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 631 | EVP_PKEY_free_it(x); |
d65c3615 | 632 | CRYPTO_THREAD_lock_free(x->lock); |
222561fe | 633 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
0f113f3e MC |
634 | OPENSSL_free(x); |
635 | } | |
d02b48c6 | 636 | |
6b691a5c | 637 | static void EVP_PKEY_free_it(EVP_PKEY *x) |
0f113f3e | 638 | { |
c5ba2d99 | 639 | /* internal function; x is never NULL */ |
4cae07fe RL |
640 | |
641 | evp_keymgmt_clear_pkey_cache(x); | |
642 | ||
0f113f3e MC |
643 | if (x->ameth && x->ameth->pkey_free) { |
644 | x->ameth->pkey_free(x); | |
645 | x->pkey.ptr = NULL; | |
646 | } | |
01b8b3c7 | 647 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd RS |
648 | ENGINE_finish(x->engine); |
649 | x->engine = NULL; | |
d19b01ad DSH |
650 | ENGINE_finish(x->pmeth_engine); |
651 | x->pmeth_engine = NULL; | |
01b8b3c7 | 652 | #endif |
0f113f3e | 653 | } |
d02b48c6 | 654 | |
35208f36 | 655 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
656 | const char *kstr) |
657 | { | |
658 | BIO_indent(out, indent, 128); | |
659 | BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
660 | kstr, OBJ_nid2ln(pkey->type)); | |
661 | return 1; | |
662 | } | |
35208f36 DSH |
663 | |
664 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
665 | int indent, ASN1_PCTX *pctx) |
666 | { | |
667 | if (pkey->ameth && pkey->ameth->pub_print) | |
668 | return pkey->ameth->pub_print(out, pkey, indent, pctx); | |
669 | ||
670 | return unsup_alg(out, pkey, indent, "Public Key"); | |
671 | } | |
35208f36 DSH |
672 | |
673 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
674 | int indent, ASN1_PCTX *pctx) |
675 | { | |
676 | if (pkey->ameth && pkey->ameth->priv_print) | |
677 | return pkey->ameth->priv_print(out, pkey, indent, pctx); | |
678 | ||
679 | return unsup_alg(out, pkey, indent, "Private Key"); | |
680 | } | |
35208f36 DSH |
681 | |
682 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
683 | int indent, ASN1_PCTX *pctx) |
684 | { | |
685 | if (pkey->ameth && pkey->ameth->param_print) | |
686 | return pkey->ameth->param_print(out, pkey, indent, pctx); | |
687 | return unsup_alg(out, pkey, indent, "Parameters"); | |
688 | } | |
03919683 | 689 | |
5d6aaf8a | 690 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 691 | { |
5d6aaf8a | 692 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 693 | return -2; |
5d6aaf8a DSH |
694 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
695 | } | |
696 | ||
697 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
698 | { | |
699 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
700 | } | |
701 | ||
ecbb2fca DW |
702 | int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) |
703 | { | |
704 | int rv, default_nid; | |
705 | ||
706 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); | |
707 | if (rv == -2) { | |
708 | /* | |
709 | * If there is a mandatory default digest and this isn't it, then | |
710 | * the answer is 'no'. | |
711 | */ | |
712 | rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); | |
713 | if (rv == 2) | |
714 | return (nid == default_nid); | |
715 | /* zero is an error from EVP_PKEY_get_default_digest_nid() */ | |
716 | if (rv == 0) | |
717 | return -1; | |
718 | } | |
719 | return rv; | |
720 | } | |
721 | ||
5d6aaf8a DSH |
722 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, |
723 | const unsigned char *pt, size_t ptlen) | |
724 | { | |
725 | if (ptlen > INT_MAX) | |
726 | return 0; | |
727 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
728 | (void *)pt) <= 0) | |
729 | return 0; | |
730 | return 1; | |
731 | } | |
732 | ||
733 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
734 | { | |
735 | int rv; | |
736 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
737 | if (rv <= 0) | |
738 | return 0; | |
739 | return rv; | |
0f113f3e | 740 | } |