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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 | 23 | #include <openssl/params.h> |
54c1711f | 24 | #include <openssl/serializer.h> |
e74bd290 | 25 | #include <openssl/core_names.h> |
01b8b3c7 | 26 | |
25f2138b DMSP |
27 | #include "crypto/asn1.h" |
28 | #include "crypto/evp.h" | |
e74bd290 | 29 | #include "internal/provider.h" |
18e377b4 | 30 | |
e683582b SL |
31 | static void evp_pkey_free_it(EVP_PKEY *key); |
32 | ||
33 | #ifndef FIPS_MODE | |
bb2297a4 | 34 | |
8900f3e3 | 35 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e | 36 | { |
6508e858 RL |
37 | if (pkey != NULL) { |
38 | if (pkey->ameth == NULL) | |
39 | return pkey->cache.bits; | |
40 | else if (pkey->ameth->pkey_bits) | |
41 | return pkey->ameth->pkey_bits(pkey); | |
42 | } | |
0f113f3e MC |
43 | return 0; |
44 | } | |
58964a49 | 45 | |
2514fa79 | 46 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
47 | { |
48 | if (pkey == NULL) | |
49 | return 0; | |
6508e858 RL |
50 | if (pkey->ameth == NULL) |
51 | return pkey->cache.security_bits; | |
52 | if (pkey->ameth->pkey_security_bits == NULL) | |
0f113f3e MC |
53 | return -2; |
54 | return pkey->ameth->pkey_security_bits(pkey); | |
55 | } | |
2514fa79 | 56 | |
6b691a5c | 57 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 58 | { |
e683582b | 59 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
60 | if (pkey->type == EVP_PKEY_DSA) { |
61 | int ret = pkey->save_parameters; | |
62 | ||
63 | if (mode >= 0) | |
64 | pkey->save_parameters = mode; | |
26a7d938 | 65 | return ret; |
0f113f3e | 66 | } |
e683582b SL |
67 | # endif |
68 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
69 | if (pkey->type == EVP_PKEY_EC) { |
70 | int ret = pkey->save_parameters; | |
71 | ||
72 | if (mode >= 0) | |
73 | pkey->save_parameters = mode; | |
26a7d938 | 74 | return ret; |
0f113f3e | 75 | } |
e683582b | 76 | # endif |
26a7d938 | 77 | return 0; |
0f113f3e | 78 | } |
d02b48c6 | 79 | |
a8b72844 | 80 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 81 | { |
2986ecdc DSH |
82 | if (to->type == EVP_PKEY_NONE) { |
83 | if (EVP_PKEY_set_type(to, from->type) == 0) | |
84 | return 0; | |
85 | } else if (to->type != from->type) { | |
0f113f3e MC |
86 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
87 | goto err; | |
88 | } | |
89 | ||
90 | if (EVP_PKEY_missing_parameters(from)) { | |
91 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
92 | goto err; | |
93 | } | |
f72f00d4 DSH |
94 | |
95 | if (!EVP_PKEY_missing_parameters(to)) { | |
96 | if (EVP_PKEY_cmp_parameters(to, from) == 1) | |
97 | return 1; | |
98 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS); | |
99 | return 0; | |
100 | } | |
101 | ||
0f113f3e MC |
102 | if (from->ameth && from->ameth->param_copy) |
103 | return from->ameth->param_copy(to, from); | |
104 | err: | |
105 | return 0; | |
106 | } | |
d02b48c6 | 107 | |
af0f0f3e | 108 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 109 | { |
ab5c77b4 | 110 | if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing) |
0f113f3e MC |
111 | return pkey->ameth->param_missing(pkey); |
112 | return 0; | |
113 | } | |
d02b48c6 | 114 | |
af0f0f3e | 115 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
116 | { |
117 | if (a->type != b->type) | |
118 | return -1; | |
119 | if (a->ameth && a->ameth->param_cmp) | |
120 | return a->ameth->param_cmp(a, b); | |
121 | return -2; | |
122 | } | |
58964a49 | 123 | |
af0f0f3e | 124 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
125 | { |
126 | if (a->type != b->type) | |
127 | return -1; | |
128 | ||
129 | if (a->ameth) { | |
130 | int ret; | |
131 | /* Compare parameters if the algorithm has them */ | |
132 | if (a->ameth->param_cmp) { | |
133 | ret = a->ameth->param_cmp(a, b); | |
134 | if (ret <= 0) | |
135 | return ret; | |
136 | } | |
137 | ||
138 | if (a->ameth->pub_cmp) | |
139 | return a->ameth->pub_cmp(a, b); | |
140 | } | |
141 | ||
142 | return -2; | |
143 | } | |
e6526fbf | 144 | |
2872dbe1 | 145 | |
0f113f3e MC |
146 | /* |
147 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
148 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
149 | */ |
150 | ||
a08802ce MC |
151 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
152 | int len) | |
0f113f3e MC |
153 | { |
154 | const EVP_PKEY_ASN1_METHOD *ameth; | |
a08802ce MC |
155 | ENGINE **eptr = (e == NULL) ? &e : NULL; |
156 | ||
0f113f3e MC |
157 | if (pkey) { |
158 | if (pkey->pkey.ptr) | |
e683582b | 159 | evp_pkey_free_it(pkey); |
0f113f3e MC |
160 | /* |
161 | * If key type matches and a method exists then this lookup has | |
162 | * succeeded once so just indicate success. | |
163 | */ | |
164 | if ((type == pkey->save_type) && pkey->ameth) | |
165 | return 1; | |
e683582b | 166 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad | 167 | /* If we have ENGINEs release them */ |
7c96dbcd RS |
168 | ENGINE_finish(pkey->engine); |
169 | pkey->engine = NULL; | |
d19b01ad DSH |
170 | ENGINE_finish(pkey->pmeth_engine); |
171 | pkey->pmeth_engine = NULL; | |
e683582b | 172 | # endif |
0f113f3e MC |
173 | } |
174 | if (str) | |
a08802ce | 175 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); |
0f113f3e | 176 | else |
a08802ce | 177 | ameth = EVP_PKEY_asn1_find(eptr, type); |
e683582b | 178 | # ifndef OPENSSL_NO_ENGINE |
a08802ce | 179 | if (pkey == NULL && eptr != NULL) |
0f113f3e | 180 | ENGINE_finish(e); |
e683582b | 181 | # endif |
7c96dbcd | 182 | if (ameth == NULL) { |
0f113f3e MC |
183 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
184 | return 0; | |
185 | } | |
186 | if (pkey) { | |
187 | pkey->ameth = ameth; | |
188 | pkey->engine = e; | |
189 | ||
190 | pkey->type = pkey->ameth->pkey_id; | |
191 | pkey->save_type = type; | |
192 | } | |
193 | return 1; | |
194 | } | |
01b8b3c7 | 195 | |
f929439f MC |
196 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
197 | const unsigned char *priv, | |
198 | size_t len) | |
a08802ce MC |
199 | { |
200 | EVP_PKEY *ret = EVP_PKEY_new(); | |
201 | ||
202 | if (ret == NULL | |
203 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
204 | /* EVPerr already called */ | |
205 | goto err; | |
206 | } | |
207 | ||
208 | if (ret->ameth->set_priv_key == NULL) { | |
f929439f | 209 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, |
a08802ce MC |
210 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
211 | goto err; | |
212 | } | |
213 | ||
214 | if (!ret->ameth->set_priv_key(ret, priv, len)) { | |
f929439f | 215 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED); |
a08802ce MC |
216 | goto err; |
217 | } | |
218 | ||
219 | return ret; | |
220 | ||
221 | err: | |
222 | EVP_PKEY_free(ret); | |
223 | return NULL; | |
224 | } | |
225 | ||
f929439f MC |
226 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, |
227 | const unsigned char *pub, | |
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_pub_key == NULL) { | |
f929439f | 239 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, |
a08802ce MC |
240 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
241 | goto err; | |
242 | } | |
243 | ||
244 | if (!ret->ameth->set_pub_key(ret, pub, len)) { | |
f929439f | 245 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_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 | ||
0d124b0a MC |
256 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
257 | size_t *len) | |
258 | { | |
259 | if (pkey->ameth->get_priv_key == NULL) { | |
260 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, | |
261 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
262 | return 0; | |
263 | } | |
264 | ||
265 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
266 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
267 | return 0; | |
268 | } | |
269 | ||
270 | return 1; | |
271 | } | |
272 | ||
273 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
274 | size_t *len) | |
275 | { | |
276 | if (pkey->ameth->get_pub_key == NULL) { | |
277 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, | |
278 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
279 | return 0; | |
280 | } | |
281 | ||
282 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
283 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
284 | return 0; | |
285 | } | |
286 | ||
287 | return 1; | |
288 | } | |
289 | ||
b3831fbb MC |
290 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
291 | size_t len, const EVP_CIPHER *cipher) | |
292 | { | |
e683582b SL |
293 | # ifndef OPENSSL_NO_CMAC |
294 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 295 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 296 | # endif |
e74bd290 RL |
297 | const char *cipher_name = EVP_CIPHER_name(cipher); |
298 | const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher); | |
299 | OPENSSL_CTX *libctx = | |
300 | prov == NULL ? NULL : ossl_provider_library_context(prov); | |
b3831fbb | 301 | EVP_PKEY *ret = EVP_PKEY_new(); |
81ff9eeb | 302 | EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL); |
e74bd290 RL |
303 | EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL; |
304 | OSSL_PARAM params[4]; | |
305 | size_t paramsn = 0; | |
b3831fbb MC |
306 | |
307 | if (ret == NULL | |
308 | || cmctx == NULL | |
309 | || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) { | |
310 | /* EVPerr already called */ | |
311 | goto err; | |
312 | } | |
313 | ||
e683582b | 314 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 315 | if (engine_id != NULL) |
e74bd290 | 316 | params[paramsn++] = |
69db3044 | 317 | OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id, 0); |
e683582b | 318 | # endif |
3be06e0d | 319 | |
e74bd290 | 320 | params[paramsn++] = |
703170d4 | 321 | OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER, |
7f588d20 | 322 | (char *)cipher_name, 0); |
e74bd290 RL |
323 | params[paramsn++] = |
324 | OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, | |
325 | (char *)priv, len); | |
326 | params[paramsn] = OSSL_PARAM_construct_end(); | |
327 | ||
328 | if (!EVP_MAC_CTX_set_params(cmctx, params)) { | |
b3831fbb MC |
329 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED); |
330 | goto err; | |
331 | } | |
332 | ||
333 | ret->pkey.ptr = cmctx; | |
334 | return ret; | |
335 | ||
336 | err: | |
337 | EVP_PKEY_free(ret); | |
b8d77c9b | 338 | EVP_MAC_CTX_free(cmctx); |
e74bd290 | 339 | EVP_MAC_free(cmac); |
b3831fbb | 340 | return NULL; |
e683582b | 341 | # else |
df6d51e2 MC |
342 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, |
343 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
344 | return NULL; | |
e683582b | 345 | # endif |
b3831fbb | 346 | } |
a08802ce | 347 | |
01b8b3c7 | 348 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 349 | { |
a08802ce | 350 | return pkey_set_type(pkey, NULL, type, NULL, -1); |
0f113f3e | 351 | } |
01b8b3c7 DSH |
352 | |
353 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 354 | { |
a08802ce | 355 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); |
0f113f3e | 356 | } |
2f2e6b62 JL |
357 | |
358 | int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type) | |
359 | { | |
360 | if (pkey->type == type) { | |
361 | return 1; /* it already is that type */ | |
362 | } | |
363 | ||
364 | /* | |
365 | * The application is requesting to alias this to a different pkey type, | |
366 | * but not one that resolves to the base type. | |
367 | */ | |
368 | if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) { | |
369 | EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); | |
370 | return 0; | |
371 | } | |
372 | ||
373 | pkey->type = type; | |
374 | return 1; | |
375 | } | |
376 | ||
e683582b | 377 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
378 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
379 | { | |
380 | if (e != NULL) { | |
381 | if (!ENGINE_init(e)) { | |
382 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
383 | return 0; | |
384 | } | |
385 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
386 | ENGINE_finish(e); | |
387 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
388 | return 0; | |
389 | } | |
390 | } | |
391 | ENGINE_finish(pkey->pmeth_engine); | |
392 | pkey->pmeth_engine = e; | |
393 | return 1; | |
394 | } | |
229f7b38 DB |
395 | |
396 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
397 | { | |
398 | return pkey->engine; | |
399 | } | |
e683582b | 400 | # endif |
01b8b3c7 | 401 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 402 | { |
e34c66c6 | 403 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
404 | return 0; |
405 | pkey->pkey.ptr = key; | |
406 | return (key != NULL); | |
407 | } | |
d02b48c6 | 408 | |
3aeb9348 | 409 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
410 | { |
411 | return pkey->pkey.ptr; | |
412 | } | |
db98bbc1 | 413 | |
ebad0b0b NM |
414 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
415 | { | |
416 | ASN1_OCTET_STRING *os = NULL; | |
417 | if (pkey->type != EVP_PKEY_HMAC) { | |
418 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
419 | return NULL; | |
420 | } | |
421 | os = EVP_PKEY_get0(pkey); | |
422 | *len = os->length; | |
423 | return os->data; | |
424 | } | |
425 | ||
e683582b | 426 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
427 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
428 | { | |
429 | ASN1_OCTET_STRING *os = NULL; | |
430 | if (pkey->type != EVP_PKEY_POLY1305) { | |
431 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
432 | return NULL; | |
433 | } | |
434 | os = EVP_PKEY_get0(pkey); | |
435 | *len = os->length; | |
436 | return os->data; | |
437 | } | |
e683582b | 438 | # endif |
52ad5b60 | 439 | |
e683582b | 440 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
441 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
442 | { | |
443 | ASN1_OCTET_STRING *os = NULL; | |
444 | ||
445 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
446 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
447 | return NULL; | |
448 | } | |
449 | os = EVP_PKEY_get0(pkey); | |
450 | *len = os->length; | |
451 | return os->data; | |
452 | } | |
e683582b | 453 | # endif |
3f5616d7 | 454 | |
e683582b | 455 | # ifndef OPENSSL_NO_RSA |
c7cb16a8 | 456 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 457 | { |
0f113f3e MC |
458 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
459 | if (ret) | |
460 | RSA_up_ref(key); | |
461 | return ret; | |
52664f50 DSH |
462 | } |
463 | ||
9fdcc21f | 464 | RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey) |
0f113f3e | 465 | { |
465a58b1 | 466 | if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) { |
2872dbe1 | 467 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
468 | return NULL; |
469 | } | |
0f113f3e | 470 | return pkey->pkey.rsa; |
f769ce3e | 471 | } |
2872dbe1 DSH |
472 | |
473 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
474 | { | |
475 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
476 | if (ret != NULL) | |
477 | RSA_up_ref(ret); | |
478 | return ret; | |
479 | } | |
e683582b | 480 | # endif |
f769ce3e | 481 | |
e683582b | 482 | # ifndef OPENSSL_NO_DSA |
c7cb16a8 | 483 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 484 | { |
0f113f3e MC |
485 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
486 | if (ret) | |
487 | DSA_up_ref(key); | |
488 | return ret; | |
52664f50 DSH |
489 | } |
490 | ||
9fdcc21f | 491 | DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
0f113f3e MC |
492 | { |
493 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 494 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
495 | return NULL; |
496 | } | |
0f113f3e | 497 | return pkey->pkey.dsa; |
f769ce3e | 498 | } |
2872dbe1 DSH |
499 | |
500 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
501 | { | |
502 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
503 | if (ret != NULL) | |
504 | DSA_up_ref(ret); | |
505 | return ret; | |
506 | } | |
e683582b | 507 | # endif |
f769ce3e | 508 | |
e683582b | 509 | # ifndef OPENSSL_NO_EC |
4d94ae00 | 510 | |
14a7cfb3 | 511 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 512 | { |
0f113f3e MC |
513 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
514 | if (ret) | |
515 | EC_KEY_up_ref(key); | |
516 | return ret; | |
4d94ae00 BM |
517 | } |
518 | ||
9fdcc21f | 519 | EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey) |
4d94ae00 | 520 | { |
0f113f3e | 521 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 522 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
523 | return NULL; |
524 | } | |
0f113f3e | 525 | return pkey->pkey.ec; |
4d94ae00 | 526 | } |
2872dbe1 DSH |
527 | |
528 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
529 | { | |
530 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
531 | if (ret != NULL) | |
532 | EC_KEY_up_ref(ret); | |
533 | return ret; | |
534 | } | |
e683582b | 535 | # endif |
4d94ae00 | 536 | |
e683582b | 537 | # ifndef OPENSSL_NO_DH |
52664f50 | 538 | |
c7cb16a8 | 539 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 540 | { |
32c869ff MC |
541 | int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; |
542 | int ret = EVP_PKEY_assign(pkey, type, key); | |
543 | ||
0f113f3e MC |
544 | if (ret) |
545 | DH_up_ref(key); | |
546 | return ret; | |
52664f50 DSH |
547 | } |
548 | ||
9fdcc21f | 549 | DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
0f113f3e MC |
550 | { |
551 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 552 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
553 | return NULL; |
554 | } | |
0f113f3e | 555 | return pkey->pkey.dh; |
f769ce3e | 556 | } |
2872dbe1 DSH |
557 | |
558 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
559 | { | |
560 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
561 | if (ret != NULL) | |
562 | DH_up_ref(ret); | |
563 | return ret; | |
564 | } | |
e683582b | 565 | # endif |
f769ce3e | 566 | |
6b691a5c | 567 | int EVP_PKEY_type(int type) |
0f113f3e MC |
568 | { |
569 | int ret; | |
570 | const EVP_PKEY_ASN1_METHOD *ameth; | |
571 | ENGINE *e; | |
572 | ameth = EVP_PKEY_asn1_find(&e, type); | |
573 | if (ameth) | |
574 | ret = ameth->pkey_id; | |
575 | else | |
576 | ret = NID_undef; | |
e683582b | 577 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 578 | ENGINE_finish(e); |
e683582b | 579 | # endif |
0f113f3e MC |
580 | return ret; |
581 | } | |
d02b48c6 | 582 | |
7f57b076 | 583 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
584 | { |
585 | return pkey->type; | |
586 | } | |
7f57b076 DSH |
587 | |
588 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
589 | { |
590 | return EVP_PKEY_type(pkey->type); | |
591 | } | |
7f57b076 | 592 | |
d02b48c6 | 593 | |
f1299839 RL |
594 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
595 | { | |
596 | BIO_set_indent(*out, saved_indent); | |
597 | if (pop_f_prefix) { | |
598 | BIO *next = BIO_pop(*out); | |
599 | ||
600 | BIO_free(*out); | |
601 | *out = next; | |
602 | } | |
603 | return 1; | |
604 | } | |
605 | ||
606 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
607 | long indent) | |
608 | { | |
609 | *pop_f_prefix = 0; | |
610 | *saved_indent = 0; | |
611 | if (indent > 0) { | |
612 | long i = BIO_get_indent(*out); | |
613 | ||
614 | *saved_indent = (i < 0 ? 0 : i); | |
615 | if (BIO_set_indent(*out, indent) <= 0) { | |
616 | if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) | |
617 | return 0; | |
618 | *pop_f_prefix = 1; | |
619 | } | |
620 | if (BIO_set_indent(*out, indent) <= 0) { | |
621 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
622 | return 0; | |
623 | } | |
624 | } | |
625 | return 1; | |
626 | } | |
627 | ||
35208f36 | 628 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
629 | const char *kstr) |
630 | { | |
5310a4e6 P |
631 | return BIO_indent(out, indent, 128) |
632 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
633 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 634 | } |
35208f36 | 635 | |
f1299839 RL |
636 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
637 | const char *propquery /* For provided serialization */, | |
638 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, | |
639 | int indent, ASN1_PCTX *pctx), | |
640 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 641 | { |
f1299839 RL |
642 | int pop_f_prefix; |
643 | long saved_indent; | |
644 | OSSL_SERIALIZER_CTX *ctx = NULL; | |
645 | int ret = -2; /* default to unsupported */ | |
646 | ||
647 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
648 | return 0; | |
54c1711f | 649 | |
f1299839 | 650 | ctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, propquery); |
54c1711f RL |
651 | if (OSSL_SERIALIZER_CTX_get_serializer(ctx) != NULL) |
652 | ret = OSSL_SERIALIZER_to_bio(ctx, out); | |
653 | OSSL_SERIALIZER_CTX_free(ctx); | |
654 | ||
655 | if (ret != -2) | |
f1299839 | 656 | goto end; |
54c1711f RL |
657 | |
658 | /* legacy fallback */ | |
f1299839 RL |
659 | if (legacy_print != NULL) |
660 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
661 | else | |
662 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 663 | |
f1299839 RL |
664 | end: |
665 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
666 | return ret; | |
667 | } | |
668 | ||
669 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
670 | int indent, ASN1_PCTX *pctx) | |
671 | { | |
672 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ, | |
673 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), | |
674 | pctx); | |
0f113f3e | 675 | } |
35208f36 DSH |
676 | |
677 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
678 | int indent, ASN1_PCTX *pctx) |
679 | { | |
f1299839 RL |
680 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ, |
681 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), | |
682 | pctx); | |
0f113f3e | 683 | } |
35208f36 DSH |
684 | |
685 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
686 | int indent, ASN1_PCTX *pctx) |
687 | { | |
f1299839 RL |
688 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ, |
689 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), | |
690 | pctx); | |
0f113f3e | 691 | } |
03919683 | 692 | |
5d6aaf8a | 693 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 694 | { |
5d6aaf8a | 695 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 696 | return -2; |
5d6aaf8a DSH |
697 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
698 | } | |
699 | ||
700 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
701 | { | |
702 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
703 | } | |
704 | ||
ecbb2fca DW |
705 | int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) |
706 | { | |
707 | int rv, default_nid; | |
708 | ||
709 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); | |
710 | if (rv == -2) { | |
711 | /* | |
712 | * If there is a mandatory default digest and this isn't it, then | |
713 | * the answer is 'no'. | |
714 | */ | |
715 | rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); | |
716 | if (rv == 2) | |
717 | return (nid == default_nid); | |
718 | /* zero is an error from EVP_PKEY_get_default_digest_nid() */ | |
719 | if (rv == 0) | |
720 | return -1; | |
721 | } | |
722 | return rv; | |
723 | } | |
724 | ||
5d6aaf8a DSH |
725 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, |
726 | const unsigned char *pt, size_t ptlen) | |
727 | { | |
728 | if (ptlen > INT_MAX) | |
729 | return 0; | |
730 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
731 | (void *)pt) <= 0) | |
732 | return 0; | |
733 | return 1; | |
734 | } | |
735 | ||
736 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
737 | { | |
738 | int rv; | |
739 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
740 | if (rv <= 0) | |
741 | return 0; | |
742 | return rv; | |
0f113f3e | 743 | } |
e683582b SL |
744 | |
745 | #endif /* FIPS_MODE */ | |
746 | ||
747 | /*- All methods below can also be used in FIPS_MODE */ | |
748 | ||
749 | EVP_PKEY *EVP_PKEY_new(void) | |
750 | { | |
751 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
752 | ||
753 | if (ret == NULL) { | |
754 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
755 | return NULL; | |
756 | } | |
757 | ret->type = EVP_PKEY_NONE; | |
758 | ret->save_type = EVP_PKEY_NONE; | |
759 | ret->references = 1; | |
760 | ret->save_parameters = 1; | |
761 | ret->lock = CRYPTO_THREAD_lock_new(); | |
762 | if (ret->lock == NULL) { | |
763 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
764 | OPENSSL_free(ret); | |
765 | return NULL; | |
766 | } | |
767 | return ret; | |
768 | } | |
769 | ||
770 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) | |
771 | { | |
772 | int i; | |
773 | ||
774 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
775 | return 0; | |
776 | ||
777 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
778 | REF_ASSERT_ISNT(i < 2); | |
779 | return ((i > 1) ? 1 : 0); | |
780 | } | |
781 | ||
782 | static void evp_pkey_free_it(EVP_PKEY *x) | |
783 | { | |
784 | /* internal function; x is never NULL */ | |
785 | ||
786 | evp_keymgmt_clear_pkey_cache(x); | |
787 | ||
788 | if (x->ameth && x->ameth->pkey_free) { | |
789 | x->ameth->pkey_free(x); | |
790 | x->pkey.ptr = NULL; | |
791 | } | |
792 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE) | |
793 | ENGINE_finish(x->engine); | |
794 | x->engine = NULL; | |
795 | ENGINE_finish(x->pmeth_engine); | |
796 | x->pmeth_engine = NULL; | |
797 | #endif | |
798 | } | |
799 | ||
800 | void EVP_PKEY_free(EVP_PKEY *x) | |
801 | { | |
802 | int i; | |
803 | ||
804 | if (x == NULL) | |
805 | return; | |
806 | ||
807 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
808 | REF_PRINT_COUNT("EVP_PKEY", x); | |
809 | if (i > 0) | |
810 | return; | |
811 | REF_ASSERT_ISNT(i < 0); | |
812 | evp_pkey_free_it(x); | |
813 | CRYPTO_THREAD_lock_free(x->lock); | |
814 | #ifndef FIPS_MODE | |
815 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); | |
816 | #endif | |
817 | OPENSSL_free(x); | |
818 | } | |
819 | ||
e683582b SL |
820 | int EVP_PKEY_size(const EVP_PKEY *pkey) |
821 | { | |
6508e858 RL |
822 | if (pkey != NULL) { |
823 | if (pkey->ameth == NULL) | |
824 | return pkey->cache.size; | |
825 | else if (pkey->ameth->pkey_size != NULL) | |
826 | return pkey->ameth->pkey_size(pkey); | |
827 | } | |
e683582b SL |
828 | return 0; |
829 | } |