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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 MC |
36 | { |
37 | if (pkey && pkey->ameth && pkey->ameth->pkey_bits) | |
38 | return pkey->ameth->pkey_bits(pkey); | |
39 | return 0; | |
40 | } | |
58964a49 | 41 | |
2514fa79 | 42 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
43 | { |
44 | if (pkey == NULL) | |
45 | return 0; | |
12a765a5 | 46 | if (pkey->ameth == NULL || pkey->ameth->pkey_security_bits == NULL) |
0f113f3e MC |
47 | return -2; |
48 | return pkey->ameth->pkey_security_bits(pkey); | |
49 | } | |
2514fa79 | 50 | |
6b691a5c | 51 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 52 | { |
e683582b | 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 | } |
e683582b SL |
61 | # endif |
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 | } |
e683582b | 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 | 103 | { |
ab5c77b4 | 104 | if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing) |
0f113f3e MC |
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 | |
2872dbe1 | 139 | |
0f113f3e MC |
140 | /* |
141 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
142 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
143 | */ |
144 | ||
a08802ce MC |
145 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
146 | int len) | |
0f113f3e MC |
147 | { |
148 | const EVP_PKEY_ASN1_METHOD *ameth; | |
a08802ce MC |
149 | ENGINE **eptr = (e == NULL) ? &e : NULL; |
150 | ||
0f113f3e MC |
151 | if (pkey) { |
152 | if (pkey->pkey.ptr) | |
e683582b | 153 | evp_pkey_free_it(pkey); |
0f113f3e MC |
154 | /* |
155 | * If key type matches and a method exists then this lookup has | |
156 | * succeeded once so just indicate success. | |
157 | */ | |
158 | if ((type == pkey->save_type) && pkey->ameth) | |
159 | return 1; | |
e683582b | 160 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad | 161 | /* If we have ENGINEs release them */ |
7c96dbcd RS |
162 | ENGINE_finish(pkey->engine); |
163 | pkey->engine = NULL; | |
d19b01ad DSH |
164 | ENGINE_finish(pkey->pmeth_engine); |
165 | pkey->pmeth_engine = NULL; | |
e683582b | 166 | # endif |
0f113f3e MC |
167 | } |
168 | if (str) | |
a08802ce | 169 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); |
0f113f3e | 170 | else |
a08802ce | 171 | ameth = EVP_PKEY_asn1_find(eptr, type); |
e683582b | 172 | # ifndef OPENSSL_NO_ENGINE |
a08802ce | 173 | if (pkey == NULL && eptr != NULL) |
0f113f3e | 174 | ENGINE_finish(e); |
e683582b | 175 | # endif |
7c96dbcd | 176 | if (ameth == NULL) { |
0f113f3e MC |
177 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
178 | return 0; | |
179 | } | |
180 | if (pkey) { | |
181 | pkey->ameth = ameth; | |
182 | pkey->engine = e; | |
183 | ||
184 | pkey->type = pkey->ameth->pkey_id; | |
185 | pkey->save_type = type; | |
186 | } | |
187 | return 1; | |
188 | } | |
01b8b3c7 | 189 | |
f929439f MC |
190 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
191 | const unsigned char *priv, | |
192 | size_t len) | |
a08802ce MC |
193 | { |
194 | EVP_PKEY *ret = EVP_PKEY_new(); | |
195 | ||
196 | if (ret == NULL | |
197 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
198 | /* EVPerr already called */ | |
199 | goto err; | |
200 | } | |
201 | ||
202 | if (ret->ameth->set_priv_key == NULL) { | |
f929439f | 203 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, |
a08802ce MC |
204 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
205 | goto err; | |
206 | } | |
207 | ||
208 | if (!ret->ameth->set_priv_key(ret, priv, len)) { | |
f929439f | 209 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED); |
a08802ce MC |
210 | goto err; |
211 | } | |
212 | ||
213 | return ret; | |
214 | ||
215 | err: | |
216 | EVP_PKEY_free(ret); | |
217 | return NULL; | |
218 | } | |
219 | ||
f929439f MC |
220 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, |
221 | const unsigned char *pub, | |
222 | size_t len) | |
a08802ce MC |
223 | { |
224 | EVP_PKEY *ret = EVP_PKEY_new(); | |
225 | ||
226 | if (ret == NULL | |
227 | || !pkey_set_type(ret, e, type, NULL, -1)) { | |
228 | /* EVPerr already called */ | |
229 | goto err; | |
230 | } | |
231 | ||
232 | if (ret->ameth->set_pub_key == NULL) { | |
f929439f | 233 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, |
a08802ce MC |
234 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
235 | goto err; | |
236 | } | |
237 | ||
238 | if (!ret->ameth->set_pub_key(ret, pub, len)) { | |
f929439f | 239 | EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED); |
a08802ce MC |
240 | goto err; |
241 | } | |
242 | ||
243 | return ret; | |
244 | ||
245 | err: | |
246 | EVP_PKEY_free(ret); | |
247 | return NULL; | |
248 | } | |
249 | ||
0d124b0a MC |
250 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
251 | size_t *len) | |
252 | { | |
253 | if (pkey->ameth->get_priv_key == NULL) { | |
254 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, | |
255 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
256 | return 0; | |
257 | } | |
258 | ||
259 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
260 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
261 | return 0; | |
262 | } | |
263 | ||
264 | return 1; | |
265 | } | |
266 | ||
267 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
268 | size_t *len) | |
269 | { | |
270 | if (pkey->ameth->get_pub_key == NULL) { | |
271 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, | |
272 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
273 | return 0; | |
274 | } | |
275 | ||
276 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
277 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
278 | return 0; | |
279 | } | |
280 | ||
281 | return 1; | |
282 | } | |
283 | ||
b3831fbb MC |
284 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
285 | size_t len, const EVP_CIPHER *cipher) | |
286 | { | |
e683582b SL |
287 | # ifndef OPENSSL_NO_CMAC |
288 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 289 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 290 | # endif |
e74bd290 RL |
291 | const char *cipher_name = EVP_CIPHER_name(cipher); |
292 | const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher); | |
293 | OPENSSL_CTX *libctx = | |
294 | prov == NULL ? NULL : ossl_provider_library_context(prov); | |
b3831fbb | 295 | EVP_PKEY *ret = EVP_PKEY_new(); |
81ff9eeb | 296 | EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL); |
e74bd290 RL |
297 | EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL; |
298 | OSSL_PARAM params[4]; | |
299 | size_t paramsn = 0; | |
b3831fbb MC |
300 | |
301 | if (ret == NULL | |
302 | || cmctx == NULL | |
303 | || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) { | |
304 | /* EVPerr already called */ | |
305 | goto err; | |
306 | } | |
307 | ||
e683582b | 308 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 309 | if (engine_id != NULL) |
e74bd290 | 310 | params[paramsn++] = |
69db3044 | 311 | OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id, 0); |
e683582b | 312 | # endif |
3be06e0d | 313 | |
e74bd290 | 314 | params[paramsn++] = |
703170d4 | 315 | OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER, |
7f588d20 | 316 | (char *)cipher_name, 0); |
e74bd290 RL |
317 | params[paramsn++] = |
318 | OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, | |
319 | (char *)priv, len); | |
320 | params[paramsn] = OSSL_PARAM_construct_end(); | |
321 | ||
322 | if (!EVP_MAC_CTX_set_params(cmctx, params)) { | |
b3831fbb MC |
323 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED); |
324 | goto err; | |
325 | } | |
326 | ||
327 | ret->pkey.ptr = cmctx; | |
328 | return ret; | |
329 | ||
330 | err: | |
331 | EVP_PKEY_free(ret); | |
b8d77c9b | 332 | EVP_MAC_CTX_free(cmctx); |
e74bd290 | 333 | EVP_MAC_free(cmac); |
b3831fbb | 334 | return NULL; |
e683582b | 335 | # else |
df6d51e2 MC |
336 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, |
337 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
338 | return NULL; | |
e683582b | 339 | # endif |
b3831fbb | 340 | } |
a08802ce | 341 | |
01b8b3c7 | 342 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 343 | { |
a08802ce | 344 | return pkey_set_type(pkey, NULL, type, NULL, -1); |
0f113f3e | 345 | } |
01b8b3c7 DSH |
346 | |
347 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 348 | { |
a08802ce | 349 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len); |
0f113f3e | 350 | } |
2f2e6b62 JL |
351 | |
352 | int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type) | |
353 | { | |
354 | if (pkey->type == type) { | |
355 | return 1; /* it already is that type */ | |
356 | } | |
357 | ||
358 | /* | |
359 | * The application is requesting to alias this to a different pkey type, | |
360 | * but not one that resolves to the base type. | |
361 | */ | |
362 | if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) { | |
363 | EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); | |
364 | return 0; | |
365 | } | |
366 | ||
367 | pkey->type = type; | |
368 | return 1; | |
369 | } | |
370 | ||
e683582b | 371 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
372 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
373 | { | |
374 | if (e != NULL) { | |
375 | if (!ENGINE_init(e)) { | |
376 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
377 | return 0; | |
378 | } | |
379 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
380 | ENGINE_finish(e); | |
381 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
382 | return 0; | |
383 | } | |
384 | } | |
385 | ENGINE_finish(pkey->pmeth_engine); | |
386 | pkey->pmeth_engine = e; | |
387 | return 1; | |
388 | } | |
229f7b38 DB |
389 | |
390 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
391 | { | |
392 | return pkey->engine; | |
393 | } | |
e683582b | 394 | # endif |
01b8b3c7 | 395 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 396 | { |
e34c66c6 | 397 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
398 | return 0; |
399 | pkey->pkey.ptr = key; | |
400 | return (key != NULL); | |
401 | } | |
d02b48c6 | 402 | |
3aeb9348 | 403 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
404 | { |
405 | return pkey->pkey.ptr; | |
406 | } | |
db98bbc1 | 407 | |
ebad0b0b NM |
408 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
409 | { | |
410 | ASN1_OCTET_STRING *os = NULL; | |
411 | if (pkey->type != EVP_PKEY_HMAC) { | |
412 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
413 | return NULL; | |
414 | } | |
415 | os = EVP_PKEY_get0(pkey); | |
416 | *len = os->length; | |
417 | return os->data; | |
418 | } | |
419 | ||
e683582b | 420 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
421 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
422 | { | |
423 | ASN1_OCTET_STRING *os = NULL; | |
424 | if (pkey->type != EVP_PKEY_POLY1305) { | |
425 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
426 | return NULL; | |
427 | } | |
428 | os = EVP_PKEY_get0(pkey); | |
429 | *len = os->length; | |
430 | return os->data; | |
431 | } | |
e683582b | 432 | # endif |
52ad5b60 | 433 | |
e683582b | 434 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
435 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
436 | { | |
437 | ASN1_OCTET_STRING *os = NULL; | |
438 | ||
439 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
440 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
441 | return NULL; | |
442 | } | |
443 | os = EVP_PKEY_get0(pkey); | |
444 | *len = os->length; | |
445 | return os->data; | |
446 | } | |
e683582b | 447 | # endif |
3f5616d7 | 448 | |
e683582b | 449 | # ifndef OPENSSL_NO_RSA |
c7cb16a8 | 450 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 451 | { |
0f113f3e MC |
452 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
453 | if (ret) | |
454 | RSA_up_ref(key); | |
455 | return ret; | |
52664f50 DSH |
456 | } |
457 | ||
9fdcc21f | 458 | RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey) |
0f113f3e | 459 | { |
465a58b1 | 460 | if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) { |
2872dbe1 | 461 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
462 | return NULL; |
463 | } | |
0f113f3e | 464 | return pkey->pkey.rsa; |
f769ce3e | 465 | } |
2872dbe1 DSH |
466 | |
467 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
468 | { | |
469 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
470 | if (ret != NULL) | |
471 | RSA_up_ref(ret); | |
472 | return ret; | |
473 | } | |
e683582b | 474 | # endif |
f769ce3e | 475 | |
e683582b | 476 | # ifndef OPENSSL_NO_DSA |
c7cb16a8 | 477 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 478 | { |
0f113f3e MC |
479 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
480 | if (ret) | |
481 | DSA_up_ref(key); | |
482 | return ret; | |
52664f50 DSH |
483 | } |
484 | ||
9fdcc21f | 485 | DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
0f113f3e MC |
486 | { |
487 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 488 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
489 | return NULL; |
490 | } | |
0f113f3e | 491 | return pkey->pkey.dsa; |
f769ce3e | 492 | } |
2872dbe1 DSH |
493 | |
494 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
495 | { | |
496 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
497 | if (ret != NULL) | |
498 | DSA_up_ref(ret); | |
499 | return ret; | |
500 | } | |
e683582b | 501 | # endif |
f769ce3e | 502 | |
e683582b | 503 | # ifndef OPENSSL_NO_EC |
4d94ae00 | 504 | |
14a7cfb3 | 505 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 506 | { |
0f113f3e MC |
507 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
508 | if (ret) | |
509 | EC_KEY_up_ref(key); | |
510 | return ret; | |
4d94ae00 BM |
511 | } |
512 | ||
9fdcc21f | 513 | EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey) |
4d94ae00 | 514 | { |
0f113f3e | 515 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 516 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
517 | return NULL; |
518 | } | |
0f113f3e | 519 | return pkey->pkey.ec; |
4d94ae00 | 520 | } |
2872dbe1 DSH |
521 | |
522 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
523 | { | |
524 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
525 | if (ret != NULL) | |
526 | EC_KEY_up_ref(ret); | |
527 | return ret; | |
528 | } | |
e683582b | 529 | # endif |
4d94ae00 | 530 | |
e683582b | 531 | # ifndef OPENSSL_NO_DH |
52664f50 | 532 | |
c7cb16a8 | 533 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 534 | { |
32c869ff MC |
535 | int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; |
536 | int ret = EVP_PKEY_assign(pkey, type, key); | |
537 | ||
0f113f3e MC |
538 | if (ret) |
539 | DH_up_ref(key); | |
540 | return ret; | |
52664f50 DSH |
541 | } |
542 | ||
9fdcc21f | 543 | DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
0f113f3e MC |
544 | { |
545 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 546 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
547 | return NULL; |
548 | } | |
0f113f3e | 549 | return pkey->pkey.dh; |
f769ce3e | 550 | } |
2872dbe1 DSH |
551 | |
552 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
553 | { | |
554 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
555 | if (ret != NULL) | |
556 | DH_up_ref(ret); | |
557 | return ret; | |
558 | } | |
e683582b | 559 | # endif |
f769ce3e | 560 | |
6b691a5c | 561 | int EVP_PKEY_type(int type) |
0f113f3e MC |
562 | { |
563 | int ret; | |
564 | const EVP_PKEY_ASN1_METHOD *ameth; | |
565 | ENGINE *e; | |
566 | ameth = EVP_PKEY_asn1_find(&e, type); | |
567 | if (ameth) | |
568 | ret = ameth->pkey_id; | |
569 | else | |
570 | ret = NID_undef; | |
e683582b | 571 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 572 | ENGINE_finish(e); |
e683582b | 573 | # endif |
0f113f3e MC |
574 | return ret; |
575 | } | |
d02b48c6 | 576 | |
7f57b076 | 577 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
578 | { |
579 | return pkey->type; | |
580 | } | |
7f57b076 DSH |
581 | |
582 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
583 | { |
584 | return EVP_PKEY_type(pkey->type); | |
585 | } | |
7f57b076 | 586 | |
d02b48c6 | 587 | |
f1299839 RL |
588 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
589 | { | |
590 | BIO_set_indent(*out, saved_indent); | |
591 | if (pop_f_prefix) { | |
592 | BIO *next = BIO_pop(*out); | |
593 | ||
594 | BIO_free(*out); | |
595 | *out = next; | |
596 | } | |
597 | return 1; | |
598 | } | |
599 | ||
600 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
601 | long indent) | |
602 | { | |
603 | *pop_f_prefix = 0; | |
604 | *saved_indent = 0; | |
605 | if (indent > 0) { | |
606 | long i = BIO_get_indent(*out); | |
607 | ||
608 | *saved_indent = (i < 0 ? 0 : i); | |
609 | if (BIO_set_indent(*out, indent) <= 0) { | |
610 | if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) | |
611 | return 0; | |
612 | *pop_f_prefix = 1; | |
613 | } | |
614 | if (BIO_set_indent(*out, indent) <= 0) { | |
615 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
616 | return 0; | |
617 | } | |
618 | } | |
619 | return 1; | |
620 | } | |
621 | ||
35208f36 | 622 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
623 | const char *kstr) |
624 | { | |
5310a4e6 P |
625 | return BIO_indent(out, indent, 128) |
626 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
627 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 628 | } |
35208f36 | 629 | |
f1299839 RL |
630 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
631 | const char *propquery /* For provided serialization */, | |
632 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, | |
633 | int indent, ASN1_PCTX *pctx), | |
634 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 635 | { |
f1299839 RL |
636 | int pop_f_prefix; |
637 | long saved_indent; | |
638 | OSSL_SERIALIZER_CTX *ctx = NULL; | |
639 | int ret = -2; /* default to unsupported */ | |
640 | ||
641 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
642 | return 0; | |
54c1711f | 643 | |
f1299839 | 644 | ctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, propquery); |
54c1711f RL |
645 | if (OSSL_SERIALIZER_CTX_get_serializer(ctx) != NULL) |
646 | ret = OSSL_SERIALIZER_to_bio(ctx, out); | |
647 | OSSL_SERIALIZER_CTX_free(ctx); | |
648 | ||
649 | if (ret != -2) | |
f1299839 | 650 | goto end; |
54c1711f RL |
651 | |
652 | /* legacy fallback */ | |
f1299839 RL |
653 | if (legacy_print != NULL) |
654 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
655 | else | |
656 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 657 | |
f1299839 RL |
658 | end: |
659 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
660 | return ret; | |
661 | } | |
662 | ||
663 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
664 | int indent, ASN1_PCTX *pctx) | |
665 | { | |
666 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ, | |
667 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), | |
668 | pctx); | |
0f113f3e | 669 | } |
35208f36 DSH |
670 | |
671 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
672 | int indent, ASN1_PCTX *pctx) |
673 | { | |
f1299839 RL |
674 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ, |
675 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), | |
676 | pctx); | |
0f113f3e | 677 | } |
35208f36 DSH |
678 | |
679 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
680 | int indent, ASN1_PCTX *pctx) |
681 | { | |
f1299839 RL |
682 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ, |
683 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), | |
684 | pctx); | |
0f113f3e | 685 | } |
03919683 | 686 | |
5d6aaf8a | 687 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 688 | { |
5d6aaf8a | 689 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 690 | return -2; |
5d6aaf8a DSH |
691 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
692 | } | |
693 | ||
694 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
695 | { | |
696 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
697 | } | |
698 | ||
ecbb2fca DW |
699 | int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) |
700 | { | |
701 | int rv, default_nid; | |
702 | ||
703 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); | |
704 | if (rv == -2) { | |
705 | /* | |
706 | * If there is a mandatory default digest and this isn't it, then | |
707 | * the answer is 'no'. | |
708 | */ | |
709 | rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); | |
710 | if (rv == 2) | |
711 | return (nid == default_nid); | |
712 | /* zero is an error from EVP_PKEY_get_default_digest_nid() */ | |
713 | if (rv == 0) | |
714 | return -1; | |
715 | } | |
716 | return rv; | |
717 | } | |
718 | ||
5d6aaf8a DSH |
719 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, |
720 | const unsigned char *pt, size_t ptlen) | |
721 | { | |
722 | if (ptlen > INT_MAX) | |
723 | return 0; | |
724 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
725 | (void *)pt) <= 0) | |
726 | return 0; | |
727 | return 1; | |
728 | } | |
729 | ||
730 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
731 | { | |
732 | int rv; | |
733 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
734 | if (rv <= 0) | |
735 | return 0; | |
736 | return rv; | |
0f113f3e | 737 | } |
e683582b SL |
738 | |
739 | #endif /* FIPS_MODE */ | |
740 | ||
741 | /*- All methods below can also be used in FIPS_MODE */ | |
742 | ||
743 | EVP_PKEY *EVP_PKEY_new(void) | |
744 | { | |
745 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
746 | ||
747 | if (ret == NULL) { | |
748 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
749 | return NULL; | |
750 | } | |
751 | ret->type = EVP_PKEY_NONE; | |
752 | ret->save_type = EVP_PKEY_NONE; | |
753 | ret->references = 1; | |
754 | ret->save_parameters = 1; | |
755 | ret->lock = CRYPTO_THREAD_lock_new(); | |
756 | if (ret->lock == NULL) { | |
757 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
758 | OPENSSL_free(ret); | |
759 | return NULL; | |
760 | } | |
761 | return ret; | |
762 | } | |
763 | ||
764 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) | |
765 | { | |
766 | int i; | |
767 | ||
768 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
769 | return 0; | |
770 | ||
771 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
772 | REF_ASSERT_ISNT(i < 2); | |
773 | return ((i > 1) ? 1 : 0); | |
774 | } | |
775 | ||
776 | static void evp_pkey_free_it(EVP_PKEY *x) | |
777 | { | |
778 | /* internal function; x is never NULL */ | |
779 | ||
780 | evp_keymgmt_clear_pkey_cache(x); | |
781 | ||
782 | if (x->ameth && x->ameth->pkey_free) { | |
783 | x->ameth->pkey_free(x); | |
784 | x->pkey.ptr = NULL; | |
785 | } | |
786 | #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE) | |
787 | ENGINE_finish(x->engine); | |
788 | x->engine = NULL; | |
789 | ENGINE_finish(x->pmeth_engine); | |
790 | x->pmeth_engine = NULL; | |
791 | #endif | |
792 | } | |
793 | ||
794 | void EVP_PKEY_free(EVP_PKEY *x) | |
795 | { | |
796 | int i; | |
797 | ||
798 | if (x == NULL) | |
799 | return; | |
800 | ||
801 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
802 | REF_PRINT_COUNT("EVP_PKEY", x); | |
803 | if (i > 0) | |
804 | return; | |
805 | REF_ASSERT_ISNT(i < 0); | |
806 | evp_pkey_free_it(x); | |
807 | CRYPTO_THREAD_lock_free(x->lock); | |
808 | #ifndef FIPS_MODE | |
809 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); | |
810 | #endif | |
811 | OPENSSL_free(x); | |
812 | } | |
813 | ||
814 | /* TODO (3.0) : Needs to call getparams fo non legacy case */ | |
815 | int EVP_PKEY_size(const EVP_PKEY *pkey) | |
816 | { | |
817 | if (pkey && pkey->ameth && pkey->ameth->pkey_size) | |
818 | return pkey->ameth->pkey_size(pkey); | |
819 | return 0; | |
820 | } | |
821 |