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