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Commit | Line | Data |
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62867571 | 1 | /* |
b6461792 | 2 | * Copyright 1995-2024 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 | ||
f41ac0ee P |
10 | /* |
11 | * DSA low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
b574c6a9 | 16 | #include <assert.h> |
d02b48c6 | 17 | #include <stdio.h> |
b39fc560 | 18 | #include "internal/cryptlib.h" |
cd420b0b | 19 | #include "internal/refcount.h" |
5060cd5f | 20 | #include "internal/namemap.h" |
4d94ae00 BM |
21 | #include <openssl/bn.h> |
22 | #include <openssl/err.h> | |
ec577822 BM |
23 | #include <openssl/objects.h> |
24 | #include <openssl/evp.h> | |
3c27208f RS |
25 | #include <openssl/rsa.h> |
26 | #include <openssl/dsa.h> | |
27 | #include <openssl/dh.h> | |
4f76d62f | 28 | #include <openssl/ec.h> |
b3831fbb | 29 | #include <openssl/cmac.h> |
3f773c91 TM |
30 | #ifndef FIPS_MODULE |
31 | # include <openssl/engine.h> | |
32 | #endif | |
e74bd290 | 33 | #include <openssl/params.h> |
1c4f340d | 34 | #include <openssl/param_build.h> |
ece9304c | 35 | #include <openssl/encoder.h> |
e74bd290 | 36 | #include <openssl/core_names.h> |
01b8b3c7 | 37 | |
d2f53212 | 38 | #include "internal/numbers.h" /* includes SIZE_MAX */ |
88bddad4 | 39 | #include "internal/ffc.h" |
25f2138b | 40 | #include "crypto/evp.h" |
b247113c TM |
41 | #include "crypto/dh.h" |
42 | #include "crypto/dsa.h" | |
565b3399 | 43 | #include "crypto/ec.h" |
7c664b1f | 44 | #include "crypto/ecx.h" |
b247113c | 45 | #include "crypto/rsa.h" |
3f773c91 TM |
46 | #ifndef FIPS_MODULE |
47 | # include "crypto/asn1.h" | |
48 | # include "crypto/x509.h" | |
49 | #endif | |
e74bd290 | 50 | #include "internal/provider.h" |
f6aa5774 | 51 | #include "evp_local.h" |
18e377b4 | 52 | |
8243d8d1 RL |
53 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
54 | int len, EVP_KEYMGMT *keymgmt); | |
e683582b SL |
55 | static void evp_pkey_free_it(EVP_PKEY *key); |
56 | ||
f844f9eb | 57 | #ifndef FIPS_MODULE |
bb2297a4 | 58 | |
8158cf20 RL |
59 | /* The type of parameters selected in key parameter functions */ |
60 | # define SELECT_PARAMETERS OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS | |
61 | ||
ed576acd | 62 | int EVP_PKEY_get_bits(const EVP_PKEY *pkey) |
0f113f3e | 63 | { |
030da844 RL |
64 | int size = 0; |
65 | ||
6508e858 | 66 | if (pkey != NULL) { |
030da844 RL |
67 | size = pkey->cache.bits; |
68 | if (pkey->ameth != NULL && pkey->ameth->pkey_bits != NULL) | |
69 | size = pkey->ameth->pkey_bits(pkey); | |
6508e858 | 70 | } |
ae643b32 DDO |
71 | if (size <= 0) { |
72 | ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_BITS); | |
73 | return 0; | |
74 | } | |
75 | return size; | |
0f113f3e | 76 | } |
58964a49 | 77 | |
ed576acd | 78 | int EVP_PKEY_get_security_bits(const EVP_PKEY *pkey) |
0f113f3e | 79 | { |
030da844 RL |
80 | int size = 0; |
81 | ||
82 | if (pkey != NULL) { | |
83 | size = pkey->cache.security_bits; | |
84 | if (pkey->ameth != NULL && pkey->ameth->pkey_security_bits != NULL) | |
85 | size = pkey->ameth->pkey_security_bits(pkey); | |
86 | } | |
ae643b32 DDO |
87 | if (size <= 0) { |
88 | ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_SECURITY_BITS); | |
89 | return 0; | |
90 | } | |
91 | return size; | |
0f113f3e | 92 | } |
2514fa79 | 93 | |
6b691a5c | 94 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 95 | { |
e683582b | 96 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
97 | if (pkey->type == EVP_PKEY_DSA) { |
98 | int ret = pkey->save_parameters; | |
99 | ||
100 | if (mode >= 0) | |
101 | pkey->save_parameters = mode; | |
26a7d938 | 102 | return ret; |
0f113f3e | 103 | } |
e683582b SL |
104 | # endif |
105 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
106 | if (pkey->type == EVP_PKEY_EC) { |
107 | int ret = pkey->save_parameters; | |
108 | ||
109 | if (mode >= 0) | |
110 | pkey->save_parameters = mode; | |
26a7d938 | 111 | return ret; |
0f113f3e | 112 | } |
e683582b | 113 | # endif |
26a7d938 | 114 | return 0; |
0f113f3e | 115 | } |
d02b48c6 | 116 | |
ff1f7cde AT |
117 | int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg) |
118 | { | |
119 | return CRYPTO_set_ex_data(&key->ex_data, idx, arg); | |
120 | } | |
121 | ||
122 | void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx) | |
123 | { | |
124 | return CRYPTO_get_ex_data(&key->ex_data, idx); | |
125 | } | |
126 | ||
a8b72844 | 127 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 128 | { |
ff3b59e1 | 129 | /* |
5b5eea4b | 130 | * Clean up legacy stuff from this function when legacy support is gone. |
ff3b59e1 RL |
131 | */ |
132 | ||
93d6132a RL |
133 | EVP_PKEY *downgraded_from = NULL; |
134 | int ok = 0; | |
135 | ||
ff3b59e1 | 136 | /* |
93d6132a RL |
137 | * If |to| is a legacy key and |from| isn't, we must make a downgraded |
138 | * copy of |from|. If that fails, this function fails. | |
ff3b59e1 | 139 | */ |
93d6132a RL |
140 | if (evp_pkey_is_legacy(to) && evp_pkey_is_provided(from)) { |
141 | if (!evp_pkey_copy_downgraded(&downgraded_from, from)) | |
142 | goto end; | |
143 | from = downgraded_from; | |
144 | } | |
acb90ba8 RL |
145 | |
146 | /* | |
147 | * Make sure |to| is typed. Content is less important at this early | |
148 | * stage. | |
149 | * | |
150 | * 1. If |to| is untyped, assign |from|'s key type to it. | |
151 | * 2. If |to| contains a legacy key, compare its |type| to |from|'s. | |
152 | * (|from| was already downgraded above) | |
153 | * | |
154 | * If |to| is a provided key, there's nothing more to do here, functions | |
155 | * like evp_keymgmt_util_copy() and evp_pkey_export_to_provider() called | |
156 | * further down help us find out if they are the same or not. | |
157 | */ | |
5e5bc836 RL |
158 | if (evp_pkey_is_blank(to)) { |
159 | if (evp_pkey_is_legacy(from)) { | |
ff3b59e1 | 160 | if (EVP_PKEY_set_type(to, from->type) == 0) |
93d6132a | 161 | goto end; |
acb90ba8 RL |
162 | } else { |
163 | if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0) | |
93d6132a | 164 | goto end; |
acb90ba8 | 165 | } |
5e5bc836 | 166 | } else if (evp_pkey_is_legacy(to)) { |
acb90ba8 | 167 | if (to->type != from->type) { |
9311d0c4 | 168 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 169 | goto end; |
ff3b59e1 | 170 | } |
0f113f3e MC |
171 | } |
172 | ||
173 | if (EVP_PKEY_missing_parameters(from)) { | |
9311d0c4 | 174 | ERR_raise(ERR_LIB_EVP, EVP_R_MISSING_PARAMETERS); |
93d6132a | 175 | goto end; |
0f113f3e | 176 | } |
f72f00d4 DSH |
177 | |
178 | if (!EVP_PKEY_missing_parameters(to)) { | |
c74aaa39 | 179 | if (EVP_PKEY_parameters_eq(to, from) == 1) |
93d6132a RL |
180 | ok = 1; |
181 | else | |
182 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_PARAMETERS); | |
183 | goto end; | |
f72f00d4 DSH |
184 | } |
185 | ||
ff3b59e1 | 186 | /* For purely provided keys, we just call the keymgmt utility */ |
93d6132a RL |
187 | if (to->keymgmt != NULL && from->keymgmt != NULL) { |
188 | ok = evp_keymgmt_util_copy(to, (EVP_PKEY *)from, SELECT_PARAMETERS); | |
189 | goto end; | |
190 | } | |
ff3b59e1 RL |
191 | |
192 | /* | |
193 | * If |to| is provided, we know that |from| is legacy at this point. | |
85fcc3fb | 194 | * Try exporting |from| to |to|'s keymgmt, then use evp_keymgmt_dup() |
ff3b59e1 | 195 | * to copy the appropriate data to |to|'s keydata. |
85fcc3fb TM |
196 | * We cannot override existing data so do it only if there is no keydata |
197 | * in |to| yet. | |
ff3b59e1 | 198 | */ |
85fcc3fb | 199 | if (to->keymgmt != NULL && to->keydata == NULL) { |
ff3b59e1 RL |
200 | EVP_KEYMGMT *to_keymgmt = to->keymgmt; |
201 | void *from_keydata = | |
202 | evp_pkey_export_to_provider((EVP_PKEY *)from, NULL, &to_keymgmt, | |
203 | NULL); | |
204 | ||
acb90ba8 RL |
205 | /* |
206 | * If we get a NULL, it could be an internal error, or it could be | |
207 | * that there's a key mismatch. We're pretending the latter... | |
208 | */ | |
93d6132a | 209 | if (from_keydata == NULL) |
acb90ba8 | 210 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 211 | else |
85fcc3fb TM |
212 | ok = (to->keydata = evp_keymgmt_dup(to->keymgmt, |
213 | from_keydata, | |
214 | SELECT_PARAMETERS)) != NULL; | |
93d6132a | 215 | goto end; |
ff3b59e1 RL |
216 | } |
217 | ||
218 | /* Both keys are legacy */ | |
219 | if (from->ameth != NULL && from->ameth->param_copy != NULL) | |
93d6132a RL |
220 | ok = from->ameth->param_copy(to, from); |
221 | end: | |
222 | EVP_PKEY_free(downgraded_from); | |
223 | return ok; | |
0f113f3e | 224 | } |
d02b48c6 | 225 | |
af0f0f3e | 226 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 227 | { |
157ded39 RL |
228 | if (pkey != NULL) { |
229 | if (pkey->keymgmt != NULL) | |
8158cf20 | 230 | return !evp_keymgmt_util_has((EVP_PKEY *)pkey, SELECT_PARAMETERS); |
157ded39 RL |
231 | else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL) |
232 | return pkey->ameth->param_missing(pkey); | |
233 | } | |
0f113f3e MC |
234 | return 0; |
235 | } | |
d02b48c6 | 236 | |
1e9101c4 RL |
237 | /* |
238 | * This function is called for any mixture of keys except pure legacy pair. | |
37cddb2e | 239 | * When legacy keys are gone, we replace a call to this functions with |
1e9101c4 RL |
240 | * a call to evp_keymgmt_util_match(). |
241 | */ | |
242 | static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b, | |
243 | int selection) | |
244 | { | |
245 | EVP_KEYMGMT *keymgmt1 = NULL, *keymgmt2 = NULL; | |
246 | void *keydata1 = NULL, *keydata2 = NULL, *tmp_keydata = NULL; | |
247 | ||
248 | /* If none of them are provided, this function shouldn't have been called */ | |
a57fc730 | 249 | if (!ossl_assert(evp_pkey_is_provided(a) || evp_pkey_is_provided(b))) |
1e9101c4 RL |
250 | return -2; |
251 | ||
252 | /* For purely provided keys, we just call the keymgmt utility */ | |
a57fc730 | 253 | if (evp_pkey_is_provided(a) && evp_pkey_is_provided(b)) |
1e9101c4 RL |
254 | return evp_keymgmt_util_match((EVP_PKEY *)a, (EVP_PKEY *)b, selection); |
255 | ||
256 | /* | |
acb90ba8 RL |
257 | * At this point, one of them is provided, the other not. This allows |
258 | * us to compare types using legacy NIDs. | |
259 | */ | |
a57fc730 RL |
260 | if (evp_pkey_is_legacy(a) |
261 | && !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type))) | |
262 | return -1; /* not the same key type */ | |
263 | if (evp_pkey_is_legacy(b) | |
264 | && !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))) | |
acb90ba8 RL |
265 | return -1; /* not the same key type */ |
266 | ||
267 | /* | |
268 | * We've determined that they both are the same keytype, so the next | |
269 | * step is to do a bit of cross export to ensure we have keydata for | |
270 | * both keys in the same keymgmt. | |
1e9101c4 RL |
271 | */ |
272 | keymgmt1 = a->keymgmt; | |
273 | keydata1 = a->keydata; | |
274 | keymgmt2 = b->keymgmt; | |
275 | keydata2 = b->keydata; | |
276 | ||
1e9101c4 RL |
277 | if (keymgmt2 != NULL && keymgmt2->match != NULL) { |
278 | tmp_keydata = | |
279 | evp_pkey_export_to_provider((EVP_PKEY *)a, NULL, &keymgmt2, NULL); | |
280 | if (tmp_keydata != NULL) { | |
281 | keymgmt1 = keymgmt2; | |
282 | keydata1 = tmp_keydata; | |
283 | } | |
284 | } | |
285 | if (tmp_keydata == NULL && keymgmt1 != NULL && keymgmt1->match != NULL) { | |
286 | tmp_keydata = | |
287 | evp_pkey_export_to_provider((EVP_PKEY *)b, NULL, &keymgmt1, NULL); | |
288 | if (tmp_keydata != NULL) { | |
289 | keymgmt2 = keymgmt1; | |
290 | keydata2 = tmp_keydata; | |
291 | } | |
292 | } | |
293 | ||
294 | /* If we still don't have matching keymgmt implementations, we give up */ | |
295 | if (keymgmt1 != keymgmt2) | |
296 | return -2; | |
297 | ||
a24b510c RL |
298 | /* If the keymgmt implementations are NULL, the export failed */ |
299 | if (keymgmt1 == NULL) | |
300 | return -2; | |
301 | ||
1e9101c4 RL |
302 | return evp_keymgmt_match(keymgmt1, keydata1, keydata2, selection); |
303 | } | |
304 | ||
c85c5e1a | 305 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 306 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
307 | { |
308 | return EVP_PKEY_parameters_eq(a, b); | |
309 | } | |
c85c5e1a | 310 | #endif |
c74aaa39 DDO |
311 | |
312 | int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 313 | { |
1e9101c4 | 314 | /* |
37cddb2e | 315 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
316 | * is gone. |
317 | */ | |
318 | ||
319 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 | 320 | return evp_pkey_cmp_any(a, b, SELECT_PARAMETERS); |
1e9101c4 RL |
321 | |
322 | /* All legacy keys */ | |
0f113f3e MC |
323 | if (a->type != b->type) |
324 | return -1; | |
1e9101c4 | 325 | if (a->ameth != NULL && a->ameth->param_cmp != NULL) |
0f113f3e MC |
326 | return a->ameth->param_cmp(a, b); |
327 | return -2; | |
328 | } | |
58964a49 | 329 | |
c85c5e1a | 330 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 331 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
332 | { |
333 | return EVP_PKEY_eq(a, b); | |
334 | } | |
c85c5e1a | 335 | #endif |
c74aaa39 DDO |
336 | |
337 | int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 338 | { |
1e9101c4 | 339 | /* |
37cddb2e | 340 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
341 | * is gone. |
342 | */ | |
343 | ||
5af6e154 TM |
344 | /* Trivial shortcuts */ |
345 | if (a == b) | |
346 | return 1; | |
347 | if (a == NULL || b == NULL) | |
348 | return 0; | |
349 | ||
c342004e TM |
350 | if (a->keymgmt != NULL || b->keymgmt != NULL) { |
351 | int selection = SELECT_PARAMETERS; | |
352 | ||
353 | if (evp_keymgmt_util_has((EVP_PKEY *)a, OSSL_KEYMGMT_SELECT_PUBLIC_KEY) | |
354 | && evp_keymgmt_util_has((EVP_PKEY *)b, OSSL_KEYMGMT_SELECT_PUBLIC_KEY)) | |
355 | selection |= OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
356 | else | |
357 | selection |= OSSL_KEYMGMT_SELECT_KEYPAIR; | |
358 | return evp_pkey_cmp_any(a, b, selection); | |
359 | } | |
1e9101c4 RL |
360 | |
361 | /* All legacy keys */ | |
0f113f3e MC |
362 | if (a->type != b->type) |
363 | return -1; | |
364 | ||
1e9101c4 | 365 | if (a->ameth != NULL) { |
0f113f3e MC |
366 | int ret; |
367 | /* Compare parameters if the algorithm has them */ | |
1e9101c4 | 368 | if (a->ameth->param_cmp != NULL) { |
0f113f3e MC |
369 | ret = a->ameth->param_cmp(a, b); |
370 | if (ret <= 0) | |
371 | return ret; | |
372 | } | |
373 | ||
1e9101c4 | 374 | if (a->ameth->pub_cmp != NULL) |
0f113f3e MC |
375 | return a->ameth->pub_cmp(a, b); |
376 | } | |
377 | ||
378 | return -2; | |
379 | } | |
e6526fbf | 380 | |
1c4f340d | 381 | |
b4250010 | 382 | static EVP_PKEY *new_raw_key_int(OSSL_LIB_CTX *libctx, |
1c4f340d MC |
383 | const char *strtype, |
384 | const char *propq, | |
385 | int nidtype, | |
386 | ENGINE *e, | |
387 | const unsigned char *key, | |
388 | size_t len, | |
389 | int key_is_priv) | |
a08802ce | 390 | { |
1c4f340d MC |
391 | EVP_PKEY *pkey = NULL; |
392 | EVP_PKEY_CTX *ctx = NULL; | |
393 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; | |
394 | int result = 0; | |
395 | ||
396 | # ifndef OPENSSL_NO_ENGINE | |
397 | /* Check if there is an Engine for this type */ | |
398 | if (e == NULL) { | |
399 | ENGINE *tmpe = NULL; | |
400 | ||
401 | if (strtype != NULL) | |
402 | ameth = EVP_PKEY_asn1_find_str(&tmpe, strtype, -1); | |
403 | else if (nidtype != EVP_PKEY_NONE) | |
404 | ameth = EVP_PKEY_asn1_find(&tmpe, nidtype); | |
405 | ||
406 | /* If tmpe is NULL then no engine is claiming to support this type */ | |
407 | if (tmpe == NULL) | |
408 | ameth = NULL; | |
409 | ||
410 | ENGINE_finish(tmpe); | |
411 | } | |
412 | # endif | |
a08802ce | 413 | |
1c4f340d MC |
414 | if (e == NULL && ameth == NULL) { |
415 | /* | |
416 | * No engine is claiming to support this type, so lets see if we have | |
417 | * a provider. | |
418 | */ | |
419 | ctx = EVP_PKEY_CTX_new_from_name(libctx, | |
420 | strtype != NULL ? strtype | |
421 | : OBJ_nid2sn(nidtype), | |
422 | propq); | |
4feda976 | 423 | if (ctx == NULL) |
1c4f340d | 424 | goto err; |
1c4f340d MC |
425 | /* May fail if no provider available */ |
426 | ERR_set_mark(); | |
2db985b7 | 427 | if (EVP_PKEY_fromdata_init(ctx) == 1) { |
1c4f340d MC |
428 | OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END }; |
429 | ||
430 | ERR_clear_last_mark(); | |
431 | params[0] = OSSL_PARAM_construct_octet_string( | |
432 | key_is_priv ? OSSL_PKEY_PARAM_PRIV_KEY | |
433 | : OSSL_PKEY_PARAM_PUB_KEY, | |
434 | (void *)key, len); | |
435 | ||
2db985b7 | 436 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) != 1) { |
9311d0c4 | 437 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
438 | goto err; |
439 | } | |
440 | ||
441 | EVP_PKEY_CTX_free(ctx); | |
442 | ||
443 | return pkey; | |
444 | } | |
445 | ERR_pop_to_mark(); | |
446 | /* else not supported so fallback to legacy */ | |
a08802ce MC |
447 | } |
448 | ||
1c4f340d MC |
449 | /* Legacy code path */ |
450 | ||
451 | pkey = EVP_PKEY_new(); | |
452 | if (pkey == NULL) { | |
e077455e | 453 | ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB); |
a08802ce MC |
454 | goto err; |
455 | } | |
456 | ||
1c4f340d | 457 | if (!pkey_set_type(pkey, e, nidtype, strtype, -1, NULL)) { |
bd07cc1c | 458 | /* ERR_raise(ERR_LIB_EVP, ...) already called */ |
a08802ce MC |
459 | goto err; |
460 | } | |
461 | ||
1c4f340d MC |
462 | if (!ossl_assert(pkey->ameth != NULL)) |
463 | goto err; | |
a08802ce | 464 | |
1c4f340d MC |
465 | if (key_is_priv) { |
466 | if (pkey->ameth->set_priv_key == NULL) { | |
9311d0c4 | 467 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
468 | goto err; |
469 | } | |
a08802ce | 470 | |
1c4f340d | 471 | if (!pkey->ameth->set_priv_key(pkey, key, len)) { |
9311d0c4 | 472 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
473 | goto err; |
474 | } | |
475 | } else { | |
476 | if (pkey->ameth->set_pub_key == NULL) { | |
9311d0c4 | 477 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
478 | goto err; |
479 | } | |
a08802ce | 480 | |
1c4f340d | 481 | if (!pkey->ameth->set_pub_key(pkey, key, len)) { |
9311d0c4 | 482 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
483 | goto err; |
484 | } | |
a08802ce MC |
485 | } |
486 | ||
1c4f340d MC |
487 | result = 1; |
488 | err: | |
489 | if (!result) { | |
490 | EVP_PKEY_free(pkey); | |
491 | pkey = NULL; | |
a08802ce | 492 | } |
1c4f340d MC |
493 | EVP_PKEY_CTX_free(ctx); |
494 | return pkey; | |
495 | } | |
a08802ce | 496 | |
b4250010 | 497 | EVP_PKEY *EVP_PKEY_new_raw_private_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
498 | const char *keytype, |
499 | const char *propq, | |
500 | const unsigned char *priv, size_t len) | |
1c4f340d MC |
501 | { |
502 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, priv, | |
503 | len, 1); | |
504 | } | |
a08802ce | 505 | |
1c4f340d MC |
506 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
507 | const unsigned char *priv, | |
508 | size_t len) | |
509 | { | |
510 | return new_raw_key_int(NULL, NULL, NULL, type, e, priv, len, 1); | |
511 | } | |
a08802ce | 512 | |
b4250010 | 513 | EVP_PKEY *EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
514 | const char *keytype, const char *propq, |
515 | const unsigned char *pub, size_t len) | |
1c4f340d MC |
516 | { |
517 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, pub, | |
518 | len, 0); | |
519 | } | |
520 | ||
521 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, | |
522 | const unsigned char *pub, | |
523 | size_t len) | |
524 | { | |
525 | return new_raw_key_int(NULL, NULL, NULL, type, e, pub, len, 0); | |
a08802ce MC |
526 | } |
527 | ||
c19d8978 MC |
528 | struct raw_key_details_st |
529 | { | |
530 | unsigned char **key; | |
531 | size_t *len; | |
532 | int selection; | |
533 | }; | |
534 | ||
535 | static OSSL_CALLBACK get_raw_key_details; | |
536 | static int get_raw_key_details(const OSSL_PARAM params[], void *arg) | |
537 | { | |
538 | const OSSL_PARAM *p = NULL; | |
539 | struct raw_key_details_st *raw_key = arg; | |
540 | ||
541 | if (raw_key->selection == OSSL_KEYMGMT_SELECT_PRIVATE_KEY) { | |
542 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY)) | |
543 | != NULL) | |
544 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
43da9a14 MC |
545 | raw_key->key == NULL ? 0 : *raw_key->len, |
546 | raw_key->len); | |
c19d8978 MC |
547 | } else if (raw_key->selection == OSSL_KEYMGMT_SELECT_PUBLIC_KEY) { |
548 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY)) | |
549 | != NULL) | |
550 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
43da9a14 MC |
551 | raw_key->key == NULL ? 0 : *raw_key->len, |
552 | raw_key->len); | |
c19d8978 MC |
553 | } |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
0d124b0a MC |
558 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
559 | size_t *len) | |
560 | { | |
c19d8978 MC |
561 | if (pkey->keymgmt != NULL) { |
562 | struct raw_key_details_st raw_key; | |
563 | ||
564 | raw_key.key = priv == NULL ? NULL : &priv; | |
565 | raw_key.len = len; | |
566 | raw_key.selection = OSSL_KEYMGMT_SELECT_PRIVATE_KEY; | |
567 | ||
655f73ce RL |
568 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PRIVATE_KEY, |
569 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
570 | } |
571 | ||
572 | if (pkey->ameth == NULL) { | |
9311d0c4 | 573 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
574 | return 0; |
575 | } | |
576 | ||
577 | if (pkey->ameth->get_priv_key == NULL) { | |
9311d0c4 | 578 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
579 | return 0; |
580 | } | |
581 | ||
582 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
9311d0c4 | 583 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
584 | return 0; |
585 | } | |
586 | ||
587 | return 1; | |
588 | } | |
589 | ||
590 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
591 | size_t *len) | |
592 | { | |
c19d8978 MC |
593 | if (pkey->keymgmt != NULL) { |
594 | struct raw_key_details_st raw_key; | |
595 | ||
596 | raw_key.key = pub == NULL ? NULL : &pub; | |
597 | raw_key.len = len; | |
598 | raw_key.selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
599 | ||
655f73ce RL |
600 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, |
601 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
602 | } |
603 | ||
604 | if (pkey->ameth == NULL) { | |
9311d0c4 | 605 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
606 | return 0; |
607 | } | |
608 | ||
0d124b0a | 609 | if (pkey->ameth->get_pub_key == NULL) { |
9311d0c4 | 610 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
611 | return 0; |
612 | } | |
613 | ||
614 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
9311d0c4 | 615 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
616 | return 0; |
617 | } | |
618 | ||
619 | return 1; | |
620 | } | |
621 | ||
a540ef90 MC |
622 | static EVP_PKEY *new_cmac_key_int(const unsigned char *priv, size_t len, |
623 | const char *cipher_name, | |
b4250010 DMSP |
624 | const EVP_CIPHER *cipher, |
625 | OSSL_LIB_CTX *libctx, | |
a540ef90 | 626 | const char *propq, ENGINE *e) |
b3831fbb | 627 | { |
e683582b SL |
628 | # ifndef OPENSSL_NO_CMAC |
629 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 630 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 631 | # endif |
2ef9a7ac | 632 | OSSL_PARAM params[5], *p = params; |
a540ef90 MC |
633 | EVP_PKEY *pkey = NULL; |
634 | EVP_PKEY_CTX *ctx; | |
635 | ||
636 | if (cipher != NULL) | |
ed576acd | 637 | cipher_name = EVP_CIPHER_get0_name(cipher); |
a540ef90 MC |
638 | |
639 | if (cipher_name == NULL) { | |
9311d0c4 | 640 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
a540ef90 MC |
641 | return NULL; |
642 | } | |
643 | ||
644 | ctx = EVP_PKEY_CTX_new_from_name(libctx, "CMAC", propq); | |
20d56d6d | 645 | if (ctx == NULL) |
a540ef90 | 646 | goto err; |
a540ef90 | 647 | |
5e199c35 | 648 | if (EVP_PKEY_fromdata_init(ctx) <= 0) { |
9311d0c4 | 649 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
650 | goto err; |
651 | } | |
652 | ||
a540ef90 MC |
653 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, |
654 | (void *)priv, len); | |
655 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
656 | (char *)cipher_name, 0); | |
2ef9a7ac MC |
657 | if (propq != NULL) |
658 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, | |
659 | (char *)propq, 0); | |
e683582b | 660 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 661 | if (engine_id != NULL) |
a540ef90 MC |
662 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_ENGINE, |
663 | (char *)engine_id, 0); | |
e683582b | 664 | # endif |
a540ef90 | 665 | *p = OSSL_PARAM_construct_end(); |
3be06e0d | 666 | |
d11cab47 | 667 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) <= 0) { |
9311d0c4 | 668 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
669 | goto err; |
670 | } | |
671 | ||
b3831fbb | 672 | err: |
a540ef90 MC |
673 | EVP_PKEY_CTX_free(ctx); |
674 | ||
675 | return pkey; | |
e683582b | 676 | # else |
9311d0c4 | 677 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
df6d51e2 | 678 | return NULL; |
e683582b | 679 | # endif |
b3831fbb | 680 | } |
a08802ce | 681 | |
a540ef90 MC |
682 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
683 | size_t len, const EVP_CIPHER *cipher) | |
684 | { | |
685 | return new_cmac_key_int(priv, len, NULL, cipher, NULL, NULL, e); | |
686 | } | |
687 | ||
01b8b3c7 | 688 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 689 | { |
8243d8d1 | 690 | return pkey_set_type(pkey, NULL, type, NULL, -1, NULL); |
0f113f3e | 691 | } |
01b8b3c7 DSH |
692 | |
693 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 694 | { |
8243d8d1 | 695 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len, NULL); |
0f113f3e | 696 | } |
2f2e6b62 | 697 | |
e683582b | 698 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
699 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
700 | { | |
701 | if (e != NULL) { | |
702 | if (!ENGINE_init(e)) { | |
9311d0c4 | 703 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
d19b01ad DSH |
704 | return 0; |
705 | } | |
706 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
707 | ENGINE_finish(e); | |
9311d0c4 | 708 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
d19b01ad DSH |
709 | return 0; |
710 | } | |
711 | } | |
712 | ENGINE_finish(pkey->pmeth_engine); | |
713 | pkey->pmeth_engine = e; | |
714 | return 1; | |
715 | } | |
229f7b38 DB |
716 | |
717 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
718 | { | |
719 | return pkey->engine; | |
720 | } | |
e683582b | 721 | # endif |
8e53d94d MC |
722 | |
723 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
b247113c TM |
724 | static void detect_foreign_key(EVP_PKEY *pkey) |
725 | { | |
726 | switch (pkey->type) { | |
727 | case EVP_PKEY_RSA: | |
e2972982 | 728 | case EVP_PKEY_RSA_PSS: |
b247113c TM |
729 | pkey->foreign = pkey->pkey.rsa != NULL |
730 | && ossl_rsa_is_foreign(pkey->pkey.rsa); | |
731 | break; | |
732 | # ifndef OPENSSL_NO_EC | |
733 | case EVP_PKEY_SM2: | |
4c4fefa5 | 734 | break; |
b247113c TM |
735 | case EVP_PKEY_EC: |
736 | pkey->foreign = pkey->pkey.ec != NULL | |
737 | && ossl_ec_key_is_foreign(pkey->pkey.ec); | |
738 | break; | |
739 | # endif | |
740 | # ifndef OPENSSL_NO_DSA | |
741 | case EVP_PKEY_DSA: | |
742 | pkey->foreign = pkey->pkey.dsa != NULL | |
743 | && ossl_dsa_is_foreign(pkey->pkey.dsa); | |
744 | break; | |
745 | #endif | |
746 | # ifndef OPENSSL_NO_DH | |
747 | case EVP_PKEY_DH: | |
748 | pkey->foreign = pkey->pkey.dh != NULL | |
749 | && ossl_dh_is_foreign(pkey->pkey.dh); | |
750 | break; | |
751 | #endif | |
752 | default: | |
753 | pkey->foreign = 0; | |
754 | break; | |
755 | } | |
756 | } | |
757 | ||
01b8b3c7 | 758 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 759 | { |
8e53d94d | 760 | # ifndef OPENSSL_NO_EC |
28fd8953 MC |
761 | int pktype; |
762 | ||
763 | pktype = EVP_PKEY_type(type); | |
764 | if ((key != NULL) && (pktype == EVP_PKEY_EC || pktype == EVP_PKEY_SM2)) { | |
f4e4382c RL |
765 | const EC_GROUP *group = EC_KEY_get0_group(key); |
766 | ||
28fd8953 MC |
767 | if (group != NULL) { |
768 | int curve = EC_GROUP_get_curve_name(group); | |
769 | ||
770 | /* | |
771 | * Regardless of what is requested the SM2 curve must be SM2 type, | |
772 | * and non SM2 curves are EC type. | |
773 | */ | |
774 | if (curve == NID_sm2 && pktype == EVP_PKEY_EC) | |
775 | type = EVP_PKEY_SM2; | |
776 | else if(curve != NID_sm2 && pktype == EVP_PKEY_SM2) | |
777 | type = EVP_PKEY_EC; | |
778 | } | |
f4e4382c | 779 | } |
8e53d94d | 780 | # endif |
f4e4382c | 781 | |
e34c66c6 | 782 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e | 783 | return 0; |
28fd8953 | 784 | |
0f113f3e | 785 | pkey->pkey.ptr = key; |
b247113c TM |
786 | detect_foreign_key(pkey); |
787 | ||
0f113f3e MC |
788 | return (key != NULL); |
789 | } | |
8e53d94d | 790 | # endif |
d02b48c6 | 791 | |
896dcda1 | 792 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e | 793 | { |
3c1ccfea SL |
794 | if (pkey == NULL) |
795 | return NULL; | |
b574c6a9 | 796 | |
896dcda1 DB |
797 | if (!evp_pkey_is_provided(pkey)) |
798 | return pkey->pkey.ptr; | |
799 | ||
800 | return NULL; | |
0f113f3e | 801 | } |
db98bbc1 | 802 | |
ebad0b0b NM |
803 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
804 | { | |
7bc0fdd3 | 805 | const ASN1_OCTET_STRING *os = NULL; |
ebad0b0b | 806 | if (pkey->type != EVP_PKEY_HMAC) { |
9311d0c4 | 807 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_AN_HMAC_KEY); |
ebad0b0b NM |
808 | return NULL; |
809 | } | |
896dcda1 DB |
810 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
811 | if (os != NULL) { | |
812 | *len = os->length; | |
813 | return os->data; | |
814 | } | |
815 | return NULL; | |
ebad0b0b NM |
816 | } |
817 | ||
e683582b | 818 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
819 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
820 | { | |
7bc0fdd3 | 821 | const ASN1_OCTET_STRING *os = NULL; |
52ad5b60 | 822 | if (pkey->type != EVP_PKEY_POLY1305) { |
9311d0c4 | 823 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_POLY1305_KEY); |
52ad5b60 TS |
824 | return NULL; |
825 | } | |
896dcda1 DB |
826 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
827 | if (os != NULL) { | |
828 | *len = os->length; | |
829 | return os->data; | |
830 | } | |
831 | return NULL; | |
52ad5b60 | 832 | } |
e683582b | 833 | # endif |
52ad5b60 | 834 | |
e683582b | 835 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
836 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
837 | { | |
7bc0fdd3 | 838 | const ASN1_OCTET_STRING *os = NULL; |
3f5616d7 TS |
839 | |
840 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
9311d0c4 | 841 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_SIPHASH_KEY); |
3f5616d7 TS |
842 | return NULL; |
843 | } | |
896dcda1 DB |
844 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
845 | if (os != NULL) { | |
846 | *len = os->length; | |
847 | return os->data; | |
848 | } | |
849 | return NULL; | |
3f5616d7 | 850 | } |
e683582b | 851 | # endif |
3f5616d7 | 852 | |
e683582b | 853 | # ifndef OPENSSL_NO_DSA |
7bc0fdd3 | 854 | static DSA *evp_pkey_get0_DSA_int(const EVP_PKEY *pkey) |
0f113f3e MC |
855 | { |
856 | if (pkey->type != EVP_PKEY_DSA) { | |
9311d0c4 | 857 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
858 | return NULL; |
859 | } | |
b574c6a9 | 860 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 861 | } |
2872dbe1 | 862 | |
7bc0fdd3 MC |
863 | const DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
864 | { | |
865 | return evp_pkey_get0_DSA_int(pkey); | |
866 | } | |
867 | ||
b03ec3b5 SL |
868 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
869 | { | |
870 | int ret = EVP_PKEY_assign_DSA(pkey, key); | |
871 | if (ret) | |
872 | DSA_up_ref(key); | |
873 | return ret; | |
874 | } | |
2872dbe1 DSH |
875 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) |
876 | { | |
7bc0fdd3 MC |
877 | DSA *ret = evp_pkey_get0_DSA_int(pkey); |
878 | ||
2872dbe1 DSH |
879 | if (ret != NULL) |
880 | DSA_up_ref(ret); | |
881 | return ret; | |
882 | } | |
b03ec3b5 | 883 | # endif /* OPENSSL_NO_DSA */ |
f769ce3e | 884 | |
4032cd9a | 885 | # ifndef OPENSSL_NO_ECX |
7bc0fdd3 | 886 | static const ECX_KEY *evp_pkey_get0_ECX_KEY(const EVP_PKEY *pkey, int type) |
7c664b1f | 887 | { |
ed576acd | 888 | if (EVP_PKEY_get_base_id(pkey) != type) { |
7c664b1f RL |
889 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_ECX_KEY); |
890 | return NULL; | |
891 | } | |
b574c6a9 | 892 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
7c664b1f RL |
893 | } |
894 | ||
25b16562 | 895 | static ECX_KEY *evp_pkey_get1_ECX_KEY(EVP_PKEY *pkey, int type) |
7c664b1f | 896 | { |
7bc0fdd3 | 897 | ECX_KEY *ret = (ECX_KEY *)evp_pkey_get0_ECX_KEY(pkey, type); |
8eca93f8 P |
898 | |
899 | if (ret != NULL && !ossl_ecx_key_up_ref(ret)) | |
900 | ret = NULL; | |
7c664b1f RL |
901 | return ret; |
902 | } | |
903 | ||
904 | # define IMPLEMENT_ECX_VARIANT(NAME) \ | |
32ab57cb | 905 | ECX_KEY *ossl_evp_pkey_get1_##NAME(EVP_PKEY *pkey) \ |
7c664b1f | 906 | { \ |
25b16562 | 907 | return evp_pkey_get1_ECX_KEY(pkey, EVP_PKEY_##NAME); \ |
7c664b1f RL |
908 | } |
909 | IMPLEMENT_ECX_VARIANT(X25519) | |
910 | IMPLEMENT_ECX_VARIANT(X448) | |
911 | IMPLEMENT_ECX_VARIANT(ED25519) | |
912 | IMPLEMENT_ECX_VARIANT(ED448) | |
913 | ||
4032cd9a | 914 | # endif /* OPENSSL_NO_ECX */ |
4d94ae00 | 915 | |
5a267416 | 916 | # if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
52664f50 | 917 | |
f1ffaaee | 918 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *dhkey) |
52664f50 | 919 | { |
f1ffaaee SL |
920 | int ret, type; |
921 | ||
922 | /* | |
923 | * ossl_dh_is_named_safe_prime_group() returns 1 for named safe prime groups | |
924 | * related to ffdhe and modp (which cache q = (p - 1) / 2), | |
925 | * and returns 0 for all other dh parameter generation types including | |
926 | * RFC5114 named groups. | |
927 | * | |
928 | * The EVP_PKEY_DH type is used for dh parameter generation types: | |
929 | * - named safe prime groups related to ffdhe and modp | |
930 | * - safe prime generator | |
931 | * | |
932 | * The type EVP_PKEY_DHX is used for dh parameter generation types | |
933 | * - fips186-4 and fips186-2 | |
934 | * - rfc5114 named groups. | |
935 | * | |
936 | * The EVP_PKEY_DH type is used to save PKCS#3 data than can be stored | |
937 | * without a q value. | |
938 | * The EVP_PKEY_DHX type is used to save X9.42 data that requires the | |
939 | * q value to be stored. | |
940 | */ | |
941 | if (ossl_dh_is_named_safe_prime_group(dhkey)) | |
942 | type = EVP_PKEY_DH; | |
943 | else | |
944 | type = DH_get0_q(dhkey) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; | |
945 | ||
946 | ret = EVP_PKEY_assign(pkey, type, dhkey); | |
32c869ff | 947 | |
0f113f3e | 948 | if (ret) |
f1ffaaee | 949 | DH_up_ref(dhkey); |
0f113f3e | 950 | return ret; |
52664f50 DSH |
951 | } |
952 | ||
7bc0fdd3 | 953 | DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey) |
0f113f3e MC |
954 | { |
955 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
9311d0c4 | 956 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
957 | return NULL; |
958 | } | |
b574c6a9 | 959 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 960 | } |
2872dbe1 | 961 | |
7bc0fdd3 MC |
962 | const DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
963 | { | |
964 | return evp_pkey_get0_DH_int(pkey); | |
965 | } | |
966 | ||
2872dbe1 DSH |
967 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) |
968 | { | |
7bc0fdd3 MC |
969 | DH *ret = evp_pkey_get0_DH_int(pkey); |
970 | ||
2872dbe1 DSH |
971 | if (ret != NULL) |
972 | DH_up_ref(ret); | |
973 | return ret; | |
974 | } | |
e683582b | 975 | # endif |
f769ce3e | 976 | |
6b691a5c | 977 | int EVP_PKEY_type(int type) |
0f113f3e MC |
978 | { |
979 | int ret; | |
980 | const EVP_PKEY_ASN1_METHOD *ameth; | |
981 | ENGINE *e; | |
982 | ameth = EVP_PKEY_asn1_find(&e, type); | |
983 | if (ameth) | |
984 | ret = ameth->pkey_id; | |
985 | else | |
986 | ret = NID_undef; | |
e683582b | 987 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 988 | ENGINE_finish(e); |
e683582b | 989 | # endif |
0f113f3e MC |
990 | return ret; |
991 | } | |
d02b48c6 | 992 | |
ed576acd | 993 | int EVP_PKEY_get_id(const EVP_PKEY *pkey) |
0f113f3e MC |
994 | { |
995 | return pkey->type; | |
996 | } | |
7f57b076 | 997 | |
ed576acd | 998 | int EVP_PKEY_get_base_id(const EVP_PKEY *pkey) |
0f113f3e MC |
999 | { |
1000 | return EVP_PKEY_type(pkey->type); | |
1001 | } | |
7f57b076 | 1002 | |
977e95b9 RL |
1003 | /* |
1004 | * These hard coded cases are pure hackery to get around the fact | |
1005 | * that names in crypto/objects/objects.txt are a mess. There is | |
1006 | * no "EC", and "RSA" leads to the NID for 2.5.8.1.1, an OID that's | |
1007 | * fallen out in favor of { pkcs-1 1 }, i.e. 1.2.840.113549.1.1.1, | |
1008 | * the NID of which is used for EVP_PKEY_RSA. Strangely enough, | |
1009 | * "DSA" is accurate... but still, better be safe and hard-code | |
1010 | * names that we know. | |
1011 | * On a similar topic, EVP_PKEY_type(EVP_PKEY_SM2) will result in | |
1012 | * EVP_PKEY_EC, because of aliasing. | |
37cddb2e | 1013 | * This should be cleaned away along with all other #legacy support. |
977e95b9 RL |
1014 | */ |
1015 | static const OSSL_ITEM standard_name2type[] = { | |
1016 | { EVP_PKEY_RSA, "RSA" }, | |
1017 | { EVP_PKEY_RSA_PSS, "RSA-PSS" }, | |
1018 | { EVP_PKEY_EC, "EC" }, | |
1019 | { EVP_PKEY_ED25519, "ED25519" }, | |
1020 | { EVP_PKEY_ED448, "ED448" }, | |
1021 | { EVP_PKEY_X25519, "X25519" }, | |
1022 | { EVP_PKEY_X448, "X448" }, | |
1023 | { EVP_PKEY_SM2, "SM2" }, | |
1024 | { EVP_PKEY_DH, "DH" }, | |
1025 | { EVP_PKEY_DHX, "X9.42 DH" }, | |
1026 | { EVP_PKEY_DHX, "DHX" }, | |
1027 | { EVP_PKEY_DSA, "DSA" }, | |
1028 | }; | |
1029 | ||
50914496 RL |
1030 | int evp_pkey_name2type(const char *name) |
1031 | { | |
977e95b9 RL |
1032 | int type; |
1033 | size_t i; | |
1034 | ||
1035 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
fba140c7 | 1036 | if (OPENSSL_strcasecmp(name, standard_name2type[i].ptr) == 0) |
977e95b9 RL |
1037 | return (int)standard_name2type[i].id; |
1038 | } | |
1039 | ||
1040 | if ((type = EVP_PKEY_type(OBJ_sn2nid(name))) != NID_undef) | |
1041 | return type; | |
1042 | return EVP_PKEY_type(OBJ_ln2nid(name)); | |
1043 | } | |
1044 | ||
1045 | const char *evp_pkey_type2name(int type) | |
1046 | { | |
1047 | size_t i; | |
1048 | ||
1049 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1050 | if (type == (int)standard_name2type[i].id) | |
1051 | return standard_name2type[i].ptr; | |
1052 | } | |
1053 | ||
1054 | return OBJ_nid2sn(type); | |
50914496 | 1055 | } |
50914496 | 1056 | |
4f76d62f RL |
1057 | int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name) |
1058 | { | |
ee8db8c5 P |
1059 | if (pkey == NULL) |
1060 | return 0; | |
1061 | if (pkey->keymgmt == NULL) | |
1062 | return pkey->type == evp_pkey_name2type(name); | |
4f76d62f RL |
1063 | return EVP_KEYMGMT_is_a(pkey->keymgmt, name); |
1064 | } | |
1065 | ||
ddf0d149 TM |
1066 | int EVP_PKEY_type_names_do_all(const EVP_PKEY *pkey, |
1067 | void (*fn)(const char *name, void *data), | |
1068 | void *data) | |
ae12eac0 RL |
1069 | { |
1070 | if (!evp_pkey_is_typed(pkey)) | |
d84f5515 | 1071 | return 0; |
ae12eac0 RL |
1072 | |
1073 | if (!evp_pkey_is_provided(pkey)) { | |
ed576acd | 1074 | const char *name = OBJ_nid2sn(EVP_PKEY_get_id(pkey)); |
ae12eac0 RL |
1075 | |
1076 | fn(name, data); | |
d84f5515 | 1077 | return 1; |
ae12eac0 | 1078 | } |
d84f5515 | 1079 | return EVP_KEYMGMT_names_do_all(pkey->keymgmt, fn, data); |
ae12eac0 RL |
1080 | } |
1081 | ||
4f76d62f RL |
1082 | int EVP_PKEY_can_sign(const EVP_PKEY *pkey) |
1083 | { | |
1084 | if (pkey->keymgmt == NULL) { | |
ed576acd | 1085 | switch (EVP_PKEY_get_base_id(pkey)) { |
4f76d62f | 1086 | case EVP_PKEY_RSA: |
e2972982 | 1087 | case EVP_PKEY_RSA_PSS: |
4f76d62f | 1088 | return 1; |
0e2f87c0 | 1089 | # ifndef OPENSSL_NO_DSA |
4f76d62f RL |
1090 | case EVP_PKEY_DSA: |
1091 | return 1; | |
0e2f87c0 TM |
1092 | # endif |
1093 | # ifndef OPENSSL_NO_EC | |
4f76d62f RL |
1094 | case EVP_PKEY_ED25519: |
1095 | case EVP_PKEY_ED448: | |
1096 | return 1; | |
1097 | case EVP_PKEY_EC: /* Including SM2 */ | |
1098 | return EC_KEY_can_sign(pkey->pkey.ec); | |
0e2f87c0 | 1099 | # endif |
4f76d62f RL |
1100 | default: |
1101 | break; | |
1102 | } | |
1103 | } else { | |
ed576acd | 1104 | const OSSL_PROVIDER *prov = EVP_KEYMGMT_get0_provider(pkey->keymgmt); |
a829b735 | 1105 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); |
4f76d62f RL |
1106 | const char *supported_sig = |
1107 | pkey->keymgmt->query_operation_name != NULL | |
1108 | ? pkey->keymgmt->query_operation_name(OSSL_OP_SIGNATURE) | |
ed576acd | 1109 | : EVP_KEYMGMT_get0_name(pkey->keymgmt); |
4f76d62f RL |
1110 | EVP_SIGNATURE *signature = NULL; |
1111 | ||
1112 | signature = EVP_SIGNATURE_fetch(libctx, supported_sig, NULL); | |
1113 | if (signature != NULL) { | |
1114 | EVP_SIGNATURE_free(signature); | |
1115 | return 1; | |
1116 | } | |
1117 | } | |
1118 | return 0; | |
1119 | } | |
d02b48c6 | 1120 | |
f1299839 RL |
1121 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
1122 | { | |
1123 | BIO_set_indent(*out, saved_indent); | |
1124 | if (pop_f_prefix) { | |
1125 | BIO *next = BIO_pop(*out); | |
1126 | ||
1127 | BIO_free(*out); | |
1128 | *out = next; | |
1129 | } | |
1130 | return 1; | |
1131 | } | |
1132 | ||
1133 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
1134 | long indent) | |
1135 | { | |
1136 | *pop_f_prefix = 0; | |
1137 | *saved_indent = 0; | |
1138 | if (indent > 0) { | |
1139 | long i = BIO_get_indent(*out); | |
1140 | ||
1141 | *saved_indent = (i < 0 ? 0 : i); | |
1142 | if (BIO_set_indent(*out, indent) <= 0) { | |
d8732803 TM |
1143 | BIO *prefbio = BIO_new(BIO_f_prefix()); |
1144 | ||
1145 | if (prefbio == NULL) | |
f1299839 | 1146 | return 0; |
d8732803 | 1147 | *out = BIO_push(prefbio, *out); |
f1299839 RL |
1148 | *pop_f_prefix = 1; |
1149 | } | |
1150 | if (BIO_set_indent(*out, indent) <= 0) { | |
1151 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
1152 | return 0; | |
1153 | } | |
1154 | } | |
1155 | return 1; | |
1156 | } | |
1157 | ||
35208f36 | 1158 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
1159 | const char *kstr) |
1160 | { | |
5310a4e6 P |
1161 | return BIO_indent(out, indent, 128) |
1162 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
1163 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 1164 | } |
35208f36 | 1165 | |
f1299839 | 1166 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
97bb8dff | 1167 | int selection /* For provided encoding */, |
ece9304c | 1168 | const char *propquery /* For provided encoding */, |
f1299839 RL |
1169 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, |
1170 | int indent, ASN1_PCTX *pctx), | |
1171 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 1172 | { |
f1299839 RL |
1173 | int pop_f_prefix; |
1174 | long saved_indent; | |
ece9304c | 1175 | OSSL_ENCODER_CTX *ctx = NULL; |
f1299839 RL |
1176 | int ret = -2; /* default to unsupported */ |
1177 | ||
1178 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
1179 | return 0; | |
54c1711f | 1180 | |
fe75766c TM |
1181 | ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, "TEXT", NULL, |
1182 | propquery); | |
97bb8dff | 1183 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0) |
ece9304c RL |
1184 | ret = OSSL_ENCODER_to_bio(ctx, out); |
1185 | OSSL_ENCODER_CTX_free(ctx); | |
54c1711f RL |
1186 | |
1187 | if (ret != -2) | |
f1299839 | 1188 | goto end; |
54c1711f RL |
1189 | |
1190 | /* legacy fallback */ | |
f1299839 RL |
1191 | if (legacy_print != NULL) |
1192 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
1193 | else | |
1194 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 1195 | |
f1299839 RL |
1196 | end: |
1197 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
1198 | return ret; | |
1199 | } | |
1200 | ||
1201 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
1202 | int indent, ASN1_PCTX *pctx) | |
1203 | { | |
b03da688 | 1204 | return print_pkey(pkey, out, indent, EVP_PKEY_PUBLIC_KEY, NULL, |
f1299839 RL |
1205 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), |
1206 | pctx); | |
0f113f3e | 1207 | } |
35208f36 DSH |
1208 | |
1209 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1210 | int indent, ASN1_PCTX *pctx) |
1211 | { | |
1296c2ec | 1212 | return print_pkey(pkey, out, indent, EVP_PKEY_PRIVATE_KEY, NULL, |
f1299839 RL |
1213 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), |
1214 | pctx); | |
0f113f3e | 1215 | } |
35208f36 DSH |
1216 | |
1217 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1218 | int indent, ASN1_PCTX *pctx) |
1219 | { | |
b03da688 | 1220 | return print_pkey(pkey, out, indent, EVP_PKEY_KEY_PARAMETERS, NULL, |
f1299839 RL |
1221 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), |
1222 | pctx); | |
0f113f3e | 1223 | } |
03919683 | 1224 | |
0e2f87c0 TM |
1225 | # ifndef OPENSSL_NO_STDIO |
1226 | int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey, | |
1227 | int indent, ASN1_PCTX *pctx) | |
1228 | { | |
1229 | int ret; | |
1230 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1231 | ||
1232 | if (b == NULL) | |
1233 | return 0; | |
1234 | ret = EVP_PKEY_print_public(b, pkey, indent, pctx); | |
1235 | BIO_free(b); | |
1236 | return ret; | |
1237 | } | |
1238 | ||
1239 | int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey, | |
1240 | int indent, ASN1_PCTX *pctx) | |
1241 | { | |
1242 | int ret; | |
1243 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1244 | ||
1245 | if (b == NULL) | |
1246 | return 0; | |
1247 | ret = EVP_PKEY_print_private(b, pkey, indent, pctx); | |
1248 | BIO_free(b); | |
1249 | return ret; | |
1250 | } | |
1251 | ||
1252 | int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey, | |
1253 | int indent, ASN1_PCTX *pctx) | |
1254 | { | |
1255 | int ret; | |
1256 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1257 | ||
1258 | if (b == NULL) | |
1259 | return 0; | |
1260 | ret = EVP_PKEY_print_params(b, pkey, indent, pctx); | |
1261 | BIO_free(b); | |
1262 | return ret; | |
1263 | } | |
1264 | # endif | |
1265 | ||
fc52ae8c | 1266 | static void mdname2nid(const char *mdname, void *data) |
5060cd5f MC |
1267 | { |
1268 | int *nid = (int *)data; | |
1269 | ||
1270 | if (*nid != NID_undef) | |
1271 | return; | |
1272 | ||
1273 | *nid = OBJ_sn2nid(mdname); | |
1274 | if (*nid == NID_undef) | |
1275 | *nid = OBJ_ln2nid(mdname); | |
1276 | } | |
1277 | ||
ead0d234 RL |
1278 | static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, |
1279 | int arg1, void *arg2) | |
1280 | { | |
3c6ed955 | 1281 | if (pkey->keymgmt == NULL) |
ead0d234 RL |
1282 | return 0; |
1283 | switch (op) { | |
1284 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: | |
1285 | { | |
1286 | char mdname[80] = ""; | |
ead0d234 RL |
1287 | int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, |
1288 | sizeof(mdname)); | |
1289 | ||
90ef39f4 | 1290 | if (rv > 0) { |
5060cd5f MC |
1291 | int mdnum; |
1292 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(pkey->keymgmt->prov); | |
1293 | /* Make sure the MD is in the namemap if available */ | |
3c15d677 SL |
1294 | EVP_MD *md; |
1295 | OSSL_NAMEMAP *namemap; | |
5060cd5f MC |
1296 | int nid = NID_undef; |
1297 | ||
3c15d677 SL |
1298 | (void)ERR_set_mark(); |
1299 | md = EVP_MD_fetch(libctx, mdname, NULL); | |
1300 | (void)ERR_pop_to_mark(); | |
1301 | namemap = ossl_namemap_stored(libctx); | |
1302 | ||
5060cd5f MC |
1303 | /* |
1304 | * The only reason to fetch the MD was to make sure it is in the | |
1305 | * namemap. We can immediately free it. | |
1306 | */ | |
1307 | EVP_MD_free(md); | |
1308 | mdnum = ossl_namemap_name2num(namemap, mdname); | |
1309 | if (mdnum == 0) | |
1310 | return 0; | |
1311 | ||
1312 | /* | |
1313 | * We have the namemap number - now we need to find the | |
1314 | * associated nid | |
1315 | */ | |
d84f5515 MC |
1316 | if (!ossl_namemap_doall_names(namemap, mdnum, mdname2nid, &nid)) |
1317 | return 0; | |
90ef39f4 RL |
1318 | *(int *)arg2 = nid; |
1319 | } | |
1320 | return rv; | |
ead0d234 RL |
1321 | } |
1322 | default: | |
1323 | return -2; | |
1324 | } | |
1325 | } | |
1326 | ||
5d6aaf8a | 1327 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 1328 | { |
ead0d234 RL |
1329 | if (pkey->ameth == NULL) |
1330 | return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); | |
1331 | if (pkey->ameth->pkey_ctrl == NULL) | |
0f113f3e | 1332 | return -2; |
5d6aaf8a DSH |
1333 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
1334 | } | |
1335 | ||
1336 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
1337 | { | |
ab5a172f | 1338 | if (pkey == NULL) |
1339 | return 0; | |
5d6aaf8a DSH |
1340 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); |
1341 | } | |
1342 | ||
ead0d234 RL |
1343 | int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, |
1344 | char *mdname, size_t mdname_sz) | |
1345 | { | |
3b924da0 RL |
1346 | if (pkey->ameth == NULL) |
1347 | return evp_keymgmt_util_get_deflt_digest_name(pkey->keymgmt, | |
1348 | pkey->keydata, | |
1349 | mdname, mdname_sz); | |
ead0d234 RL |
1350 | |
1351 | { | |
1352 | int nid = NID_undef; | |
1353 | int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); | |
1354 | const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; | |
1355 | ||
1356 | if (rv > 0) | |
1357 | OPENSSL_strlcpy(mdname, name, mdname_sz); | |
1358 | return rv; | |
1359 | } | |
1360 | } | |
1361 | ||
88bddad4 RL |
1362 | int EVP_PKEY_get_group_name(const EVP_PKEY *pkey, char *gname, size_t gname_sz, |
1363 | size_t *gname_len) | |
1364 | { | |
6fcd92d3 RL |
1365 | return EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_GROUP_NAME, |
1366 | gname, gname_sz, gname_len); | |
88bddad4 RL |
1367 | } |
1368 | ||
e9fe0f7e TM |
1369 | int EVP_PKEY_digestsign_supports_digest(EVP_PKEY *pkey, OSSL_LIB_CTX *libctx, |
1370 | const char *name, const char *propq) | |
ecbb2fca | 1371 | { |
e9fe0f7e TM |
1372 | int rv; |
1373 | EVP_MD_CTX *ctx = NULL; | |
ecbb2fca | 1374 | |
e9fe0f7e TM |
1375 | if ((ctx = EVP_MD_CTX_new()) == NULL) |
1376 | return -1; | |
1377 | ||
1378 | ERR_set_mark(); | |
1379 | rv = EVP_DigestSignInit_ex(ctx, NULL, name, libctx, | |
1380 | propq, pkey, NULL); | |
1381 | ERR_pop_to_mark(); | |
1382 | ||
1383 | EVP_MD_CTX_free(ctx); | |
ecbb2fca DW |
1384 | return rv; |
1385 | } | |
1386 | ||
5ac8fb58 MC |
1387 | int EVP_PKEY_set1_encoded_public_key(EVP_PKEY *pkey, const unsigned char *pub, |
1388 | size_t publen) | |
5d6aaf8a | 1389 | { |
ab5a172f | 1390 | if (pkey == NULL) |
1391 | return 0; | |
1392 | if (evp_pkey_is_provided(pkey)) | |
76624df1 RL |
1393 | return |
1394 | EVP_PKEY_set_octet_string_param(pkey, | |
1395 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1396 | (unsigned char *)pub, publen); | |
6a9bd929 | 1397 | |
5ac8fb58 | 1398 | if (publen > INT_MAX) |
5d6aaf8a | 1399 | return 0; |
5ac8fb58 MC |
1400 | /* Historically this function was EVP_PKEY_set1_tls_encodedpoint */ |
1401 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, publen, | |
1402 | (void *)pub) <= 0) | |
5d6aaf8a DSH |
1403 | return 0; |
1404 | return 1; | |
1405 | } | |
1406 | ||
5ac8fb58 | 1407 | size_t EVP_PKEY_get1_encoded_public_key(EVP_PKEY *pkey, unsigned char **ppub) |
5d6aaf8a DSH |
1408 | { |
1409 | int rv; | |
6a9bd929 | 1410 | |
ab5a172f | 1411 | if (pkey == NULL) |
1412 | return 0; | |
1413 | if (evp_pkey_is_provided(pkey)) { | |
76624df1 | 1414 | size_t return_size = OSSL_PARAM_UNMODIFIED; |
4e9a4997 | 1415 | unsigned char *buf; |
6a9bd929 | 1416 | |
76624df1 RL |
1417 | /* |
1418 | * We know that this is going to fail, but it will give us a size | |
1419 | * to allocate. | |
1420 | */ | |
1421 | EVP_PKEY_get_octet_string_param(pkey, | |
1422 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1423 | NULL, 0, &return_size); | |
1424 | if (return_size == OSSL_PARAM_UNMODIFIED) | |
6a9bd929 MC |
1425 | return 0; |
1426 | ||
4e9a4997 | 1427 | *ppub = NULL; |
1428 | buf = OPENSSL_malloc(return_size); | |
1429 | if (buf == NULL) | |
6a9bd929 MC |
1430 | return 0; |
1431 | ||
76624df1 RL |
1432 | if (!EVP_PKEY_get_octet_string_param(pkey, |
1433 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
4e9a4997 | 1434 | buf, return_size, NULL)) { |
1435 | OPENSSL_free(buf); | |
6a9bd929 | 1436 | return 0; |
4e9a4997 | 1437 | } |
1438 | *ppub = buf; | |
76624df1 | 1439 | return return_size; |
6a9bd929 MC |
1440 | } |
1441 | ||
1442 | ||
5ac8fb58 | 1443 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppub); |
5d6aaf8a DSH |
1444 | if (rv <= 0) |
1445 | return 0; | |
1446 | return rv; | |
0f113f3e | 1447 | } |
e683582b | 1448 | |
f844f9eb | 1449 | #endif /* FIPS_MODULE */ |
e683582b | 1450 | |
f844f9eb | 1451 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
1452 | |
1453 | EVP_PKEY *EVP_PKEY_new(void) | |
1454 | { | |
1455 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
1456 | ||
e077455e | 1457 | if (ret == NULL) |
e683582b | 1458 | return NULL; |
4ce1025a | 1459 | |
b574c6a9 MC |
1460 | ret->type = EVP_PKEY_NONE; |
1461 | ret->save_type = EVP_PKEY_NONE; | |
6be83ac1 P |
1462 | |
1463 | if (!CRYPTO_NEW_REF(&ret->references, 1)) | |
1464 | goto err; | |
4ce1025a | 1465 | |
8dc34b1f DB |
1466 | ret->lock = CRYPTO_THREAD_lock_new(); |
1467 | if (ret->lock == NULL) { | |
e077455e | 1468 | ERR_raise(ERR_LIB_EVP, ERR_R_CRYPTO_LIB); |
8dc34b1f DB |
1469 | goto err; |
1470 | } | |
1471 | ||
f844f9eb | 1472 | #ifndef FIPS_MODULE |
b247113c | 1473 | ret->save_parameters = 1; |
ff1f7cde | 1474 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, ret, &ret->ex_data)) { |
e077455e | 1475 | ERR_raise(ERR_LIB_EVP, ERR_R_CRYPTO_LIB); |
ff1f7cde | 1476 | goto err; |
e683582b | 1477 | } |
ff1f7cde | 1478 | #endif |
e683582b | 1479 | return ret; |
ff1f7cde AT |
1480 | |
1481 | err: | |
6be83ac1 | 1482 | CRYPTO_FREE_REF(&ret->references); |
ff1f7cde AT |
1483 | CRYPTO_THREAD_lock_free(ret->lock); |
1484 | OPENSSL_free(ret); | |
1485 | return NULL; | |
e683582b SL |
1486 | } |
1487 | ||
8243d8d1 RL |
1488 | /* |
1489 | * Setup a public key management method. | |
1490 | * | |
1491 | * For legacy keys, either |type| or |str| is expected to have the type | |
1492 | * information. In this case, the setup consists of finding an ASN1 method | |
1493 | * and potentially an ENGINE, and setting those fields in |pkey|. | |
1494 | * | |
1495 | * For provider side keys, |keymgmt| is expected to be non-NULL. In this | |
1496 | * case, the setup consists of setting the |keymgmt| field in |pkey|. | |
1497 | * | |
1498 | * If pkey is NULL just return 1 or 0 if the key management method exists. | |
1499 | */ | |
1500 | ||
1501 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, | |
1502 | int len, EVP_KEYMGMT *keymgmt) | |
1503 | { | |
f844f9eb | 1504 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1505 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; |
1506 | ENGINE **eptr = (e == NULL) ? &e : NULL; | |
1507 | #endif | |
1508 | ||
1509 | /* | |
1510 | * The setups can't set both legacy and provider side methods. | |
1511 | * It is forbidden | |
1512 | */ | |
1513 | if (!ossl_assert(type == EVP_PKEY_NONE || keymgmt == NULL) | |
1514 | || !ossl_assert(e == NULL || keymgmt == NULL)) { | |
1515 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | if (pkey != NULL) { | |
1520 | int free_it = 0; | |
1521 | ||
f844f9eb | 1522 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1523 | free_it = free_it || pkey->pkey.ptr != NULL; |
1524 | #endif | |
1525 | free_it = free_it || pkey->keydata != NULL; | |
1526 | if (free_it) | |
1527 | evp_pkey_free_it(pkey); | |
f844f9eb | 1528 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1529 | /* |
1530 | * If key type matches and a method exists then this lookup has | |
1531 | * succeeded once so just indicate success. | |
1532 | */ | |
1533 | if (pkey->type != EVP_PKEY_NONE | |
1534 | && type == pkey->save_type | |
1535 | && pkey->ameth != NULL) | |
1536 | return 1; | |
1537 | # ifndef OPENSSL_NO_ENGINE | |
1538 | /* If we have ENGINEs release them */ | |
1539 | ENGINE_finish(pkey->engine); | |
1540 | pkey->engine = NULL; | |
1541 | ENGINE_finish(pkey->pmeth_engine); | |
1542 | pkey->pmeth_engine = NULL; | |
1543 | # endif | |
1544 | #endif | |
1545 | } | |
f844f9eb | 1546 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1547 | if (str != NULL) |
1548 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); | |
1549 | else if (type != EVP_PKEY_NONE) | |
1550 | ameth = EVP_PKEY_asn1_find(eptr, type); | |
1551 | # ifndef OPENSSL_NO_ENGINE | |
1552 | if (pkey == NULL && eptr != NULL) | |
1553 | ENGINE_finish(e); | |
1554 | # endif | |
1555 | #endif | |
1556 | ||
1557 | ||
1558 | { | |
1559 | int check = 1; | |
1560 | ||
f844f9eb | 1561 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1562 | check = check && ameth == NULL; |
1563 | #endif | |
1564 | check = check && keymgmt == NULL; | |
1565 | if (check) { | |
9311d0c4 | 1566 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
8243d8d1 RL |
1567 | return 0; |
1568 | } | |
1569 | } | |
1570 | if (pkey != NULL) { | |
1571 | if (keymgmt != NULL && !EVP_KEYMGMT_up_ref(keymgmt)) { | |
1572 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1573 | return 0; | |
1574 | } | |
1575 | ||
1576 | pkey->keymgmt = keymgmt; | |
1577 | ||
1578 | pkey->save_type = type; | |
1579 | pkey->type = type; | |
1580 | ||
f844f9eb | 1581 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1582 | /* |
1583 | * If the internal "origin" key is provider side, don't save |ameth|. | |
1584 | * The main reason is that |ameth| is one factor to detect that the | |
1585 | * internal "origin" key is a legacy one. | |
1586 | */ | |
1587 | if (keymgmt == NULL) | |
1588 | pkey->ameth = ameth; | |
8243d8d1 RL |
1589 | |
1590 | /* | |
5e5bc836 RL |
1591 | * The EVP_PKEY_ASN1_METHOD |pkey_id| retains its legacy key purpose |
1592 | * for any key type that has a legacy implementation, regardless of | |
1593 | * if the internal key is a legacy or a provider side one. When | |
1594 | * there is no legacy implementation for the key, the type becomes | |
1595 | * EVP_PKEY_KEYMGMT, which indicates that one should be cautious | |
1596 | * with functions that expect legacy internal keys. | |
8243d8d1 | 1597 | */ |
28fd8953 MC |
1598 | if (ameth != NULL) { |
1599 | if (type == EVP_PKEY_NONE) | |
1600 | pkey->type = ameth->pkey_id; | |
1601 | } else { | |
5e5bc836 | 1602 | pkey->type = EVP_PKEY_KEYMGMT; |
28fd8953 | 1603 | } |
f7d6868d MC |
1604 | # ifndef OPENSSL_NO_ENGINE |
1605 | if (eptr == NULL && e != NULL && !ENGINE_init(e)) { | |
1606 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); | |
1607 | return 0; | |
1608 | } | |
1609 | # endif | |
1610 | pkey->engine = e; | |
8243d8d1 RL |
1611 | #endif |
1612 | } | |
1613 | return 1; | |
1614 | } | |
1615 | ||
f844f9eb | 1616 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1617 | static void find_ameth(const char *name, void *data) |
1618 | { | |
1619 | const char **str = data; | |
1620 | ||
1621 | /* | |
1622 | * The error messages from pkey_set_type() are uninteresting here, | |
1623 | * and misleading. | |
1624 | */ | |
1625 | ERR_set_mark(); | |
1626 | ||
1627 | if (pkey_set_type(NULL, NULL, EVP_PKEY_NONE, name, strlen(name), | |
1628 | NULL)) { | |
1629 | if (str[0] == NULL) | |
1630 | str[0] = name; | |
1631 | else if (str[1] == NULL) | |
1632 | str[1] = name; | |
1633 | } | |
1634 | ||
1635 | ERR_pop_to_mark(); | |
1636 | } | |
1637 | #endif | |
1638 | ||
1639 | int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt) | |
1640 | { | |
f844f9eb | 1641 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1642 | # define EVP_PKEY_TYPE_STR str[0] |
1643 | # define EVP_PKEY_TYPE_STRLEN (str[0] == NULL ? -1 : (int)strlen(str[0])) | |
1644 | /* | |
1645 | * Find at most two strings that have an associated EVP_PKEY_ASN1_METHOD | |
1646 | * Ideally, only one should be found. If two (or more) are found, the | |
1647 | * match is ambiguous. This should never happen, but... | |
1648 | */ | |
1649 | const char *str[2] = { NULL, NULL }; | |
1650 | ||
d84f5515 MC |
1651 | if (!EVP_KEYMGMT_names_do_all(keymgmt, find_ameth, &str) |
1652 | || str[1] != NULL) { | |
8243d8d1 RL |
1653 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); |
1654 | return 0; | |
1655 | } | |
1656 | #else | |
1657 | # define EVP_PKEY_TYPE_STR NULL | |
1658 | # define EVP_PKEY_TYPE_STRLEN -1 | |
1659 | #endif | |
1660 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, | |
1661 | EVP_PKEY_TYPE_STR, EVP_PKEY_TYPE_STRLEN, | |
1662 | keymgmt); | |
1663 | ||
1664 | #undef EVP_PKEY_TYPE_STR | |
1665 | #undef EVP_PKEY_TYPE_STRLEN | |
1666 | } | |
1667 | ||
e683582b SL |
1668 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
1669 | { | |
1670 | int i; | |
1671 | ||
6be83ac1 | 1672 | if (CRYPTO_UP_REF(&pkey->references, &i) <= 0) |
e683582b SL |
1673 | return 0; |
1674 | ||
1675 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
1676 | REF_ASSERT_ISNT(i < 2); | |
1677 | return ((i > 1) ? 1 : 0); | |
1678 | } | |
1679 | ||
f844f9eb | 1680 | #ifndef FIPS_MODULE |
2145ba5e TM |
1681 | EVP_PKEY *EVP_PKEY_dup(EVP_PKEY *pkey) |
1682 | { | |
1683 | EVP_PKEY *dup_pk; | |
1684 | ||
1685 | if (pkey == NULL) { | |
1686 | ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_NULL_PARAMETER); | |
1687 | return NULL; | |
1688 | } | |
1689 | ||
1690 | if ((dup_pk = EVP_PKEY_new()) == NULL) | |
1691 | return NULL; | |
1692 | ||
1693 | if (evp_pkey_is_blank(pkey)) | |
1694 | goto done; | |
1695 | ||
1696 | if (evp_pkey_is_provided(pkey)) { | |
1697 | if (!evp_keymgmt_util_copy(dup_pk, pkey, | |
1698 | OSSL_KEYMGMT_SELECT_ALL)) | |
1699 | goto err; | |
1700 | goto done; | |
1701 | } | |
1702 | ||
1703 | if (evp_pkey_is_legacy(pkey)) { | |
1704 | const EVP_PKEY_ASN1_METHOD *ameth = pkey->ameth; | |
1705 | ||
1706 | if (ameth == NULL || ameth->copy == NULL) { | |
1707 | if (pkey->pkey.ptr == NULL /* empty key, just set type */ | |
1708 | && EVP_PKEY_set_type(dup_pk, pkey->type) != 0) | |
1709 | goto done; | |
1710 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_KEY_TYPE); | |
1711 | goto err; | |
1712 | } | |
1713 | if (!ameth->copy(dup_pk, pkey)) | |
1714 | goto err; | |
1715 | goto done; | |
1716 | } | |
1717 | ||
1718 | goto err; | |
1719 | done: | |
1720 | /* copy auxiliary data */ | |
1721 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, | |
1722 | &dup_pk->ex_data, &pkey->ex_data)) | |
1723 | goto err; | |
1724 | ||
1725 | if (pkey->attributes != NULL) { | |
1726 | if ((dup_pk->attributes = ossl_x509at_dup(pkey->attributes)) == NULL) | |
1727 | goto err; | |
1728 | } | |
1729 | return dup_pk; | |
1730 | err: | |
1731 | EVP_PKEY_free(dup_pk); | |
1732 | return NULL; | |
1733 | } | |
1734 | ||
62924755 | 1735 | void evp_pkey_free_legacy(EVP_PKEY *x) |
badf51c8 | 1736 | { |
b574c6a9 MC |
1737 | const EVP_PKEY_ASN1_METHOD *ameth = x->ameth; |
1738 | ENGINE *tmpe = NULL; | |
1739 | ||
1740 | if (ameth == NULL && x->legacy_cache_pkey.ptr != NULL) | |
1741 | ameth = EVP_PKEY_asn1_find(&tmpe, x->type); | |
1742 | ||
1743 | if (ameth != NULL) { | |
1744 | if (x->legacy_cache_pkey.ptr != NULL) { | |
1745 | /* | |
1746 | * We should never have both a legacy origin key, and a key in the | |
1747 | * legacy cache. | |
1748 | */ | |
1749 | assert(x->pkey.ptr == NULL); | |
1750 | /* | |
1751 | * For the purposes of freeing we make the legacy cache look like | |
1752 | * a legacy origin key. | |
1753 | */ | |
1754 | x->pkey = x->legacy_cache_pkey; | |
1755 | x->legacy_cache_pkey.ptr = NULL; | |
1756 | } | |
1757 | if (ameth->pkey_free != NULL) | |
1758 | ameth->pkey_free(x); | |
badf51c8 | 1759 | x->pkey.ptr = NULL; |
badf51c8 RL |
1760 | } |
1761 | # ifndef OPENSSL_NO_ENGINE | |
b574c6a9 | 1762 | ENGINE_finish(tmpe); |
badf51c8 RL |
1763 | ENGINE_finish(x->engine); |
1764 | x->engine = NULL; | |
1765 | ENGINE_finish(x->pmeth_engine); | |
1766 | x->pmeth_engine = NULL; | |
1767 | # endif | |
badf51c8 | 1768 | } |
f844f9eb | 1769 | #endif /* FIPS_MODULE */ |
badf51c8 | 1770 | |
e683582b SL |
1771 | static void evp_pkey_free_it(EVP_PKEY *x) |
1772 | { | |
1773 | /* internal function; x is never NULL */ | |
36424806 | 1774 | evp_keymgmt_util_clear_operation_cache(x); |
f844f9eb | 1775 | #ifndef FIPS_MODULE |
badf51c8 RL |
1776 | evp_pkey_free_legacy(x); |
1777 | #endif | |
e683582b | 1778 | |
3c6ed955 RL |
1779 | if (x->keymgmt != NULL) { |
1780 | evp_keymgmt_freedata(x->keymgmt, x->keydata); | |
1781 | EVP_KEYMGMT_free(x->keymgmt); | |
1782 | x->keymgmt = NULL; | |
1783 | x->keydata = NULL; | |
1784 | } | |
5e5bc836 | 1785 | x->type = EVP_PKEY_NONE; |
e683582b SL |
1786 | } |
1787 | ||
1788 | void EVP_PKEY_free(EVP_PKEY *x) | |
1789 | { | |
1790 | int i; | |
1791 | ||
1792 | if (x == NULL) | |
1793 | return; | |
1794 | ||
6be83ac1 | 1795 | CRYPTO_DOWN_REF(&x->references, &i); |
e683582b SL |
1796 | REF_PRINT_COUNT("EVP_PKEY", x); |
1797 | if (i > 0) | |
1798 | return; | |
1799 | REF_ASSERT_ISNT(i < 0); | |
1800 | evp_pkey_free_it(x); | |
f844f9eb | 1801 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1802 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, x, &x->ex_data); |
1803 | #endif | |
e683582b | 1804 | CRYPTO_THREAD_lock_free(x->lock); |
6be83ac1 | 1805 | CRYPTO_FREE_REF(&x->references); |
f844f9eb | 1806 | #ifndef FIPS_MODULE |
e683582b SL |
1807 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
1808 | #endif | |
1809 | OPENSSL_free(x); | |
1810 | } | |
1811 | ||
ed576acd | 1812 | int EVP_PKEY_get_size(const EVP_PKEY *pkey) |
e683582b | 1813 | { |
adc9f731 RL |
1814 | int size = 0; |
1815 | ||
6508e858 | 1816 | if (pkey != NULL) { |
adc9f731 | 1817 | size = pkey->cache.size; |
f844f9eb | 1818 | #ifndef FIPS_MODULE |
adc9f731 RL |
1819 | if (pkey->ameth != NULL && pkey->ameth->pkey_size != NULL) |
1820 | size = pkey->ameth->pkey_size(pkey); | |
1821 | #endif | |
6508e858 | 1822 | } |
ae643b32 DDO |
1823 | if (size <= 0) { |
1824 | ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_MAX_SIZE); | |
1825 | return 0; | |
1826 | } | |
1827 | return size; | |
e683582b | 1828 | } |
f6aa5774 | 1829 | |
ed576acd | 1830 | const char *EVP_PKEY_get0_description(const EVP_PKEY *pkey) |
03888233 RL |
1831 | { |
1832 | if (!evp_pkey_is_assigned(pkey)) | |
1833 | return NULL; | |
1834 | ||
1835 | if (evp_pkey_is_provided(pkey) && pkey->keymgmt->description != NULL) | |
1836 | return pkey->keymgmt->description; | |
1837 | #ifndef FIPS_MODULE | |
1838 | if (pkey->ameth != NULL) | |
1839 | return pkey->ameth->info; | |
1840 | #endif | |
1841 | return NULL; | |
1842 | } | |
1843 | ||
b4250010 | 1844 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
1845 | EVP_KEYMGMT **keymgmt, |
1846 | const char *propquery) | |
f6aa5774 RL |
1847 | { |
1848 | EVP_KEYMGMT *allocated_keymgmt = NULL; | |
1849 | EVP_KEYMGMT *tmp_keymgmt = NULL; | |
98642df4 | 1850 | int selection = OSSL_KEYMGMT_SELECT_ALL; |
b305452f | 1851 | void *keydata = NULL; |
adc9f731 | 1852 | int check; |
f6aa5774 RL |
1853 | |
1854 | if (pk == NULL) | |
1855 | return NULL; | |
1856 | ||
adc9f731 RL |
1857 | /* No key data => nothing to export */ |
1858 | check = 1; | |
f844f9eb | 1859 | #ifndef FIPS_MODULE |
adc9f731 RL |
1860 | check = check && pk->pkey.ptr == NULL; |
1861 | #endif | |
1862 | check = check && pk->keydata == NULL; | |
1863 | if (check) | |
1864 | return NULL; | |
1865 | ||
f844f9eb | 1866 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1867 | if (pk->pkey.ptr != NULL) { |
3f7ce7f1 | 1868 | /* |
3c6ed955 RL |
1869 | * If the legacy key doesn't have an dirty counter or export function, |
1870 | * give up | |
3f7ce7f1 | 1871 | */ |
3c6ed955 RL |
1872 | if (pk->ameth->dirty_cnt == NULL || pk->ameth->export_to == NULL) |
1873 | return NULL; | |
3f7ce7f1 RL |
1874 | } |
1875 | #endif | |
1876 | ||
3c6ed955 RL |
1877 | if (keymgmt != NULL) { |
1878 | tmp_keymgmt = *keymgmt; | |
1879 | *keymgmt = NULL; | |
1880 | } | |
1881 | ||
4b9e90f4 RL |
1882 | /* |
1883 | * If no keymgmt was given or found, get a default keymgmt. We do so by | |
1884 | * letting EVP_PKEY_CTX_new_from_pkey() do it for us, then we steal it. | |
1885 | */ | |
f6aa5774 | 1886 | if (tmp_keymgmt == NULL) { |
2ee4a50a | 1887 | EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); |
f6aa5774 | 1888 | |
9dddcd90 | 1889 | if (ctx == NULL) |
1890 | goto end; | |
115eb945 | 1891 | allocated_keymgmt = tmp_keymgmt = ctx->keymgmt; |
4b9e90f4 | 1892 | ctx->keymgmt = NULL; |
f6aa5774 RL |
1893 | EVP_PKEY_CTX_free(ctx); |
1894 | } | |
1895 | ||
3c6ed955 | 1896 | /* If there's still no keymgmt to be had, give up */ |
3f7ce7f1 RL |
1897 | if (tmp_keymgmt == NULL) |
1898 | goto end; | |
f6aa5774 | 1899 | |
f844f9eb | 1900 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1901 | if (pk->pkey.ptr != NULL) { |
64954e2f | 1902 | OP_CACHE_ELEM *op; |
3f7ce7f1 RL |
1903 | |
1904 | /* | |
3c6ed955 RL |
1905 | * If the legacy "origin" hasn't changed since last time, we try |
1906 | * to find our keymgmt in the operation cache. If it has changed, | |
1907 | * |i| remains zero, and we will clear the cache further down. | |
3f7ce7f1 | 1908 | */ |
3c6ed955 | 1909 | if (pk->ameth->dirty_cnt(pk) == pk->dirty_cnt_copy) { |
0b07db6f MC |
1910 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
1911 | goto end; | |
98642df4 SS |
1912 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt, |
1913 | selection); | |
3c6ed955 RL |
1914 | |
1915 | /* | |
1916 | * If |tmp_keymgmt| is present in the operation cache, it means | |
1917 | * that export doesn't need to be redone. In that case, we take | |
1918 | * token copies of the cached pointers, to have token success | |
dc9bc6c8 MC |
1919 | * values to return. It is possible (e.g. in a no-cached-fetch |
1920 | * build), for op->keymgmt to be a different pointer to tmp_keymgmt | |
1921 | * even though the name/provider must be the same. In other words | |
1922 | * the keymgmt instance may be different but still equivalent, i.e. | |
1923 | * same algorithm/provider instance - but we make the simplifying | |
1924 | * assumption that the keydata can be used with either keymgmt | |
1925 | * instance. Not doing so introduces significant complexity and | |
1926 | * probably requires refactoring - since we would have to ripple | |
1927 | * the change in keymgmt instance up the call chain. | |
3c6ed955 | 1928 | */ |
64954e2f P |
1929 | if (op != NULL && op->keymgmt != NULL) { |
1930 | keydata = op->keydata; | |
0b07db6f | 1931 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1932 | goto end; |
1933 | } | |
0b07db6f | 1934 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1935 | } |
1936 | ||
3f7ce7f1 | 1937 | /* Make sure that the keymgmt key type matches the legacy NID */ |
0fc39c90 | 1938 | if (!EVP_KEYMGMT_is_a(tmp_keymgmt, OBJ_nid2sn(pk->type))) |
3f7ce7f1 RL |
1939 | goto end; |
1940 | ||
1941 | if ((keydata = evp_keymgmt_newdata(tmp_keymgmt)) == NULL) | |
1942 | goto end; | |
1943 | ||
bed7437b RL |
1944 | if (!pk->ameth->export_to(pk, keydata, tmp_keymgmt->import, |
1945 | libctx, propquery)) { | |
3f7ce7f1 RL |
1946 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1947 | keydata = NULL; | |
1948 | goto end; | |
1949 | } | |
1950 | ||
3c6ed955 RL |
1951 | /* |
1952 | * If the dirty counter changed since last time, then clear the | |
1953 | * operation cache. In that case, we know that |i| is zero. Just | |
1954 | * in case this is a re-export, we increment then decrement the | |
1955 | * keymgmt reference counter. | |
1956 | */ | |
1957 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { /* refcnt++ */ | |
1958 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1959 | keydata = NULL; | |
1960 | goto end; | |
1961 | } | |
0b07db6f MC |
1962 | |
1963 | if (!CRYPTO_THREAD_write_lock(pk->lock)) | |
1964 | goto end; | |
1965 | if (pk->ameth->dirty_cnt(pk) != pk->dirty_cnt_copy | |
36424806 | 1966 | && !evp_keymgmt_util_clear_operation_cache(pk)) { |
0b07db6f MC |
1967 | CRYPTO_THREAD_unlock(pk->lock); |
1968 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1969 | keydata = NULL; | |
1970 | EVP_KEYMGMT_free(tmp_keymgmt); | |
1971 | goto end; | |
1972 | } | |
3c6ed955 RL |
1973 | EVP_KEYMGMT_free(tmp_keymgmt); /* refcnt-- */ |
1974 | ||
64954e2f | 1975 | /* Check to make sure some other thread didn't get there first */ |
98642df4 | 1976 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt, selection); |
64954e2f P |
1977 | if (op != NULL && op->keymgmt != NULL) { |
1978 | void *tmp_keydata = op->keydata; | |
1979 | ||
1980 | CRYPTO_THREAD_unlock(pk->lock); | |
1981 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1982 | keydata = tmp_keydata; | |
1983 | goto end; | |
1984 | } | |
1985 | ||
3c6ed955 | 1986 | /* Add the new export to the operation cache */ |
98642df4 SS |
1987 | if (!evp_keymgmt_util_cache_keydata(pk, tmp_keymgmt, keydata, |
1988 | selection)) { | |
0b07db6f | 1989 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1990 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1991 | keydata = NULL; | |
1992 | goto end; | |
1993 | } | |
3f7ce7f1 RL |
1994 | |
1995 | /* Synchronize the dirty count */ | |
1996 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
4a9fe33c | 1997 | |
0b07db6f | 1998 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1999 | goto end; |
2000 | } | |
f844f9eb | 2001 | #endif /* FIPS_MODULE */ |
3f7ce7f1 | 2002 | |
98642df4 | 2003 | keydata = evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt, selection); |
3f7ce7f1 RL |
2004 | |
2005 | end: | |
f6aa5774 RL |
2006 | /* |
2007 | * If nothing was exported, |tmp_keymgmt| might point at a freed | |
2008 | * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for | |
2009 | * the caller either way in that case. | |
2010 | */ | |
b305452f | 2011 | if (keydata == NULL) |
f6aa5774 RL |
2012 | tmp_keymgmt = NULL; |
2013 | ||
115eb945 | 2014 | if (keymgmt != NULL && tmp_keymgmt != NULL) { |
f6aa5774 | 2015 | *keymgmt = tmp_keymgmt; |
115eb945 K |
2016 | allocated_keymgmt = NULL; |
2017 | } | |
f6aa5774 RL |
2018 | |
2019 | EVP_KEYMGMT_free(allocated_keymgmt); | |
b305452f | 2020 | return keydata; |
f6aa5774 | 2021 | } |
badf51c8 | 2022 | |
f844f9eb | 2023 | #ifndef FIPS_MODULE |
4ce1025a | 2024 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src) |
badf51c8 | 2025 | { |
ae4d9573 MC |
2026 | EVP_PKEY *allocpkey = NULL; |
2027 | ||
4ce1025a RL |
2028 | if (!ossl_assert(dest != NULL)) |
2029 | return 0; | |
badf51c8 | 2030 | |
4ce1025a RL |
2031 | if (evp_pkey_is_assigned(src) && evp_pkey_is_provided(src)) { |
2032 | EVP_KEYMGMT *keymgmt = src->keymgmt; | |
2033 | void *keydata = src->keydata; | |
2034 | int type = src->type; | |
2035 | const char *keytype = NULL; | |
acb90ba8 | 2036 | |
ed576acd | 2037 | keytype = EVP_KEYMGMT_get0_name(keymgmt); |
badf51c8 | 2038 | |
4ce1025a RL |
2039 | /* |
2040 | * If the type is EVP_PKEY_NONE, then we have a problem somewhere | |
2041 | * else in our code. If it's not one of the well known EVP_PKEY_xxx | |
2042 | * values, it should at least be EVP_PKEY_KEYMGMT at this point. | |
37cddb2e | 2043 | * The check is kept as a safety measure. |
4ce1025a RL |
2044 | */ |
2045 | if (!ossl_assert(type != EVP_PKEY_NONE)) { | |
2046 | ERR_raise_data(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR, | |
2047 | "keymgmt key type = %s but legacy type = EVP_PKEY_NONE", | |
2048 | keytype); | |
2049 | return 0; | |
2050 | } | |
badf51c8 | 2051 | |
4ce1025a RL |
2052 | /* Prefer the legacy key type name for error reporting */ |
2053 | if (type != EVP_PKEY_KEYMGMT) | |
2054 | keytype = OBJ_nid2sn(type); | |
5e5bc836 | 2055 | |
4ce1025a | 2056 | /* Make sure we have a clean slate to copy into */ |
ec961f86 | 2057 | if (*dest == NULL) { |
ae4d9573 | 2058 | allocpkey = *dest = EVP_PKEY_new(); |
ec961f86 | 2059 | if (*dest == NULL) { |
e077455e | 2060 | ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB); |
ec961f86 MC |
2061 | return 0; |
2062 | } | |
2063 | } else { | |
4ce1025a | 2064 | evp_pkey_free_it(*dest); |
ec961f86 | 2065 | } |
badf51c8 | 2066 | |
4ce1025a RL |
2067 | if (EVP_PKEY_set_type(*dest, type)) { |
2068 | /* If the key is typed but empty, we're done */ | |
2069 | if (keydata == NULL) | |
2070 | return 1; | |
629c72db | 2071 | |
4ce1025a RL |
2072 | if ((*dest)->ameth->import_from == NULL) { |
2073 | ERR_raise_data(ERR_LIB_EVP, EVP_R_NO_IMPORT_FUNCTION, | |
2074 | "key type = %s", keytype); | |
2075 | } else { | |
629c72db | 2076 | /* |
4ce1025a RL |
2077 | * We perform the export in the same libctx as the keymgmt |
2078 | * that we are using. | |
629c72db | 2079 | */ |
b4250010 | 2080 | OSSL_LIB_CTX *libctx = |
a829b735 | 2081 | ossl_provider_libctx(keymgmt->prov); |
4ce1025a RL |
2082 | EVP_PKEY_CTX *pctx = |
2083 | EVP_PKEY_CTX_new_from_pkey(libctx, *dest, NULL); | |
629c72db | 2084 | |
4ce1025a | 2085 | if (pctx == NULL) |
e077455e | 2086 | ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB); |
629c72db | 2087 | |
4ce1025a RL |
2088 | if (pctx != NULL |
2089 | && evp_keymgmt_export(keymgmt, keydata, | |
2090 | OSSL_KEYMGMT_SELECT_ALL, | |
2091 | (*dest)->ameth->import_from, | |
2092 | pctx)) { | |
2093 | /* Synchronize the dirty count */ | |
2094 | (*dest)->dirty_cnt_copy = (*dest)->ameth->dirty_cnt(*dest); | |
2095 | ||
2096 | EVP_PKEY_CTX_free(pctx); | |
2097 | return 1; | |
2098 | } | |
2099 | EVP_PKEY_CTX_free(pctx); | |
629c72db | 2100 | } |
badf51c8 | 2101 | |
4ce1025a RL |
2102 | ERR_raise_data(ERR_LIB_EVP, EVP_R_KEYMGMT_EXPORT_FAILURE, |
2103 | "key type = %s", keytype); | |
2104 | } | |
badf51c8 RL |
2105 | } |
2106 | ||
ae4d9573 MC |
2107 | if (allocpkey != NULL) { |
2108 | EVP_PKEY_free(allocpkey); | |
2109 | *dest = NULL; | |
2110 | } | |
4ce1025a RL |
2111 | return 0; |
2112 | } | |
2113 | ||
b574c6a9 | 2114 | void *evp_pkey_get_legacy(EVP_PKEY *pk) |
4ce1025a | 2115 | { |
b574c6a9 MC |
2116 | EVP_PKEY *tmp_copy = NULL; |
2117 | void *ret = NULL; | |
a8154452 RL |
2118 | |
2119 | if (!ossl_assert(pk != NULL)) | |
b574c6a9 | 2120 | return NULL; |
a8154452 RL |
2121 | |
2122 | /* | |
b574c6a9 MC |
2123 | * If this isn't an assigned provider side key, we just use any existing |
2124 | * origin legacy key. | |
a8154452 | 2125 | */ |
b574c6a9 MC |
2126 | if (!evp_pkey_is_assigned(pk)) |
2127 | return NULL; | |
2128 | if (!evp_pkey_is_provided(pk)) | |
2129 | return pk->pkey.ptr; | |
4ce1025a | 2130 | |
b574c6a9 MC |
2131 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
2132 | return NULL; | |
4ce1025a | 2133 | |
b574c6a9 | 2134 | ret = pk->legacy_cache_pkey.ptr; |
4ce1025a | 2135 | |
b574c6a9 MC |
2136 | if (!CRYPTO_THREAD_unlock(pk->lock)) |
2137 | return NULL; | |
a8154452 | 2138 | |
b574c6a9 MC |
2139 | if (ret != NULL) |
2140 | return ret; | |
4ce1025a | 2141 | |
b574c6a9 | 2142 | if (!evp_pkey_copy_downgraded(&tmp_copy, pk)) |
d8732803 | 2143 | goto err; |
4ce1025a | 2144 | |
b574c6a9 MC |
2145 | if (!CRYPTO_THREAD_write_lock(pk->lock)) |
2146 | goto err; | |
4ce1025a | 2147 | |
b574c6a9 MC |
2148 | /* Check again in case some other thread has updated it in the meantime */ |
2149 | ret = pk->legacy_cache_pkey.ptr; | |
2150 | if (ret == NULL) { | |
2151 | /* Steal the legacy key reference from the temporary copy */ | |
2152 | ret = pk->legacy_cache_pkey.ptr = tmp_copy->pkey.ptr; | |
2153 | tmp_copy->pkey.ptr = NULL; | |
2154 | } | |
4ce1025a | 2155 | |
b574c6a9 MC |
2156 | if (!CRYPTO_THREAD_unlock(pk->lock)) { |
2157 | ret = NULL; | |
2158 | goto err; | |
acb90ba8 | 2159 | } |
4ce1025a | 2160 | |
b574c6a9 MC |
2161 | err: |
2162 | EVP_PKEY_free(tmp_copy); | |
2163 | ||
2164 | return ret; | |
badf51c8 | 2165 | } |
f844f9eb | 2166 | #endif /* FIPS_MODULE */ |
96ebe52e | 2167 | |
a73a1892 RL |
2168 | int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name, |
2169 | BIGNUM **bn) | |
96ebe52e SL |
2170 | { |
2171 | int ret = 0; | |
2172 | OSSL_PARAM params[2]; | |
2173 | unsigned char buffer[2048]; | |
96ebe52e SL |
2174 | unsigned char *buf = NULL; |
2175 | size_t buf_sz = 0; | |
2176 | ||
d82c7f3d | 2177 | if (key_name == NULL |
6084b5c2 | 2178 | || bn == NULL) |
96ebe52e SL |
2179 | return 0; |
2180 | ||
2181 | memset(buffer, 0, sizeof(buffer)); | |
2182 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer)); | |
96ebe52e | 2183 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2184 | if (!EVP_PKEY_get_params(pkey, params)) { |
99ea4f02 | 2185 | if (!OSSL_PARAM_modified(params) || params[0].return_size == 0) |
96ebe52e SL |
2186 | return 0; |
2187 | buf_sz = params[0].return_size; | |
2188 | /* | |
2189 | * If it failed because the buffer was too small then allocate the | |
2190 | * required buffer size and retry. | |
2191 | */ | |
2192 | buf = OPENSSL_zalloc(buf_sz); | |
2193 | if (buf == NULL) | |
2194 | return 0; | |
2195 | params[0].data = buf; | |
2196 | params[0].data_size = buf_sz; | |
2197 | ||
13e85fb3 | 2198 | if (!EVP_PKEY_get_params(pkey, params)) |
96ebe52e SL |
2199 | goto err; |
2200 | } | |
2201 | /* Fail if the param was not found */ | |
99ea4f02 | 2202 | if (!OSSL_PARAM_modified(params)) |
96ebe52e SL |
2203 | goto err; |
2204 | ret = OSSL_PARAM_get_BN(params, bn); | |
2205 | err: | |
34e4a962 AL |
2206 | if (buf != NULL) { |
2207 | if (OSSL_PARAM_modified(params)) | |
2208 | OPENSSL_clear_free(buf, buf_sz); | |
2209 | else | |
2210 | OPENSSL_free(buf); | |
2211 | } else if (OSSL_PARAM_modified(params)) { | |
2212 | OPENSSL_cleanse(buffer, params[0].data_size); | |
2213 | } | |
96ebe52e SL |
2214 | return ret; |
2215 | } | |
2216 | ||
a73a1892 | 2217 | int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e | 2218 | unsigned char *buf, size_t max_buf_sz, |
4e92d5c7 | 2219 | size_t *out_len) |
96ebe52e SL |
2220 | { |
2221 | OSSL_PARAM params[2]; | |
76624df1 | 2222 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2223 | |
6084b5c2 | 2224 | if (key_name == NULL) |
96ebe52e SL |
2225 | return 0; |
2226 | ||
2227 | params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz); | |
96ebe52e | 2228 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2229 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2230 | ret2 = OSSL_PARAM_modified(params); | |
4e92d5c7 RL |
2231 | if (ret2 && out_len != NULL) |
2232 | *out_len = params[0].return_size; | |
76624df1 | 2233 | return ret1 && ret2; |
96ebe52e SL |
2234 | } |
2235 | ||
a73a1892 | 2236 | int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e | 2237 | char *str, size_t max_buf_sz, |
4e92d5c7 | 2238 | size_t *out_len) |
96ebe52e SL |
2239 | { |
2240 | OSSL_PARAM params[2]; | |
76624df1 | 2241 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2242 | |
d82c7f3d | 2243 | if (key_name == NULL) |
96ebe52e SL |
2244 | return 0; |
2245 | ||
2246 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz); | |
96ebe52e | 2247 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2248 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2249 | ret2 = OSSL_PARAM_modified(params); | |
4e92d5c7 RL |
2250 | if (ret2 && out_len != NULL) |
2251 | *out_len = params[0].return_size; | |
2252 | ||
2253 | if (ret2 && params[0].return_size == max_buf_sz) | |
2254 | /* There was no space for a NUL byte */ | |
2255 | return 0; | |
2256 | /* Add a terminating NUL byte for good measure */ | |
2257 | if (ret2 && str != NULL) | |
2258 | str[params[0].return_size] = '\0'; | |
2259 | ||
76624df1 | 2260 | return ret1 && ret2; |
96ebe52e SL |
2261 | } |
2262 | ||
a73a1892 RL |
2263 | int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name, |
2264 | int *out) | |
96ebe52e SL |
2265 | { |
2266 | OSSL_PARAM params[2]; | |
96ebe52e | 2267 | |
d82c7f3d | 2268 | if (key_name == NULL) |
96ebe52e SL |
2269 | return 0; |
2270 | ||
2271 | params[0] = OSSL_PARAM_construct_int(key_name, out); | |
96ebe52e | 2272 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2273 | return EVP_PKEY_get_params(pkey, params) |
2274 | && OSSL_PARAM_modified(params); | |
96ebe52e SL |
2275 | } |
2276 | ||
a73a1892 RL |
2277 | int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name, |
2278 | size_t *out) | |
96ebe52e SL |
2279 | { |
2280 | OSSL_PARAM params[2]; | |
96ebe52e | 2281 | |
d82c7f3d | 2282 | if (key_name == NULL) |
96ebe52e SL |
2283 | return 0; |
2284 | ||
2285 | params[0] = OSSL_PARAM_construct_size_t(key_name, out); | |
96ebe52e | 2286 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2287 | return EVP_PKEY_get_params(pkey, params) |
2288 | && OSSL_PARAM_modified(params); | |
96ebe52e | 2289 | } |
98dbf2c1 SL |
2290 | |
2291 | int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in) | |
2292 | { | |
2293 | OSSL_PARAM params[2]; | |
2294 | ||
d82c7f3d | 2295 | if (key_name == NULL) |
98dbf2c1 SL |
2296 | return 0; |
2297 | ||
2298 | params[0] = OSSL_PARAM_construct_int(key_name, &in); | |
2299 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2300 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2301 | } |
2302 | ||
2303 | int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in) | |
2304 | { | |
2305 | OSSL_PARAM params[2]; | |
2306 | ||
d82c7f3d | 2307 | if (key_name == NULL) |
98dbf2c1 SL |
2308 | return 0; |
2309 | ||
2310 | params[0] = OSSL_PARAM_construct_size_t(key_name, &in); | |
2311 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2312 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2313 | } |
2314 | ||
13e85fb3 RL |
2315 | int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, |
2316 | const BIGNUM *bn) | |
98dbf2c1 SL |
2317 | { |
2318 | OSSL_PARAM params[2]; | |
2319 | unsigned char buffer[2048]; | |
2320 | int bsize = 0; | |
2321 | ||
d82c7f3d RL |
2322 | if (key_name == NULL |
2323 | || bn == NULL | |
2324 | || pkey == NULL | |
6fcd92d3 | 2325 | || !evp_pkey_is_assigned(pkey)) |
98dbf2c1 SL |
2326 | return 0; |
2327 | ||
2328 | bsize = BN_num_bytes(bn); | |
2329 | if (!ossl_assert(bsize <= (int)sizeof(buffer))) | |
2330 | return 0; | |
2331 | ||
2332 | if (BN_bn2nativepad(bn, buffer, bsize) < 0) | |
2333 | return 0; | |
2334 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, bsize); | |
2335 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2336 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2337 | } |
2338 | ||
2339 | int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2340 | const char *str) |
98dbf2c1 SL |
2341 | { |
2342 | OSSL_PARAM params[2]; | |
2343 | ||
d82c7f3d | 2344 | if (key_name == NULL) |
98dbf2c1 SL |
2345 | return 0; |
2346 | ||
13e85fb3 | 2347 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, (char *)str, 0); |
98dbf2c1 | 2348 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2349 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2350 | } |
2351 | ||
2352 | int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2353 | const unsigned char *buf, size_t bsize) |
98dbf2c1 SL |
2354 | { |
2355 | OSSL_PARAM params[2]; | |
2356 | ||
d82c7f3d | 2357 | if (key_name == NULL) |
98dbf2c1 SL |
2358 | return 0; |
2359 | ||
13e85fb3 RL |
2360 | params[0] = OSSL_PARAM_construct_octet_string(key_name, |
2361 | (unsigned char *)buf, bsize); | |
98dbf2c1 | 2362 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2363 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2364 | } |
2365 | ||
d82c7f3d | 2366 | const OSSL_PARAM *EVP_PKEY_settable_params(const EVP_PKEY *pkey) |
98dbf2c1 | 2367 | { |
d82c7f3d RL |
2368 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2369 | ? EVP_KEYMGMT_settable_params(pkey->keymgmt) | |
2370 | : NULL; | |
98dbf2c1 SL |
2371 | } |
2372 | ||
2373 | int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2374 | { | |
6fcd92d3 RL |
2375 | if (pkey != NULL) { |
2376 | if (evp_pkey_is_provided(pkey)) { | |
2377 | pkey->dirty_cnt++; | |
2378 | return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params); | |
2379 | } | |
2380 | #ifndef FIPS_MODULE | |
2381 | /* | |
6fcd92d3 RL |
2382 | * We will hopefully never find the need to set individual data in |
2383 | * EVP_PKEYs with a legacy internal key, but we can't be entirely | |
2384 | * sure. This bit of code can be enabled if we find the need. If | |
2385 | * not, it can safely be removed when #legacy support is removed. | |
2386 | */ | |
2387 | # if 0 | |
2388 | else if (evp_pkey_is_legacy(pkey)) { | |
2389 | return evp_pkey_set_params_to_ctrl(pkey, params); | |
2390 | } | |
2391 | # endif | |
2392 | #endif | |
2393 | } | |
2394 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2395 | return 0; | |
98dbf2c1 | 2396 | } |
3d34bedf | 2397 | |
13e85fb3 RL |
2398 | const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey) |
2399 | { | |
d82c7f3d RL |
2400 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2401 | ? EVP_KEYMGMT_gettable_params(pkey->keymgmt) | |
2402 | : NULL; | |
13e85fb3 RL |
2403 | } |
2404 | ||
2405 | int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2406 | { | |
6fcd92d3 RL |
2407 | if (pkey != NULL) { |
2408 | if (evp_pkey_is_provided(pkey)) | |
7e5e9117 | 2409 | return evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) > 0; |
6fcd92d3 RL |
2410 | #ifndef FIPS_MODULE |
2411 | else if (evp_pkey_is_legacy(pkey)) | |
7e5e9117 | 2412 | return evp_pkey_get_params_to_ctrl(pkey, params) > 0; |
6fcd92d3 RL |
2413 | #endif |
2414 | } | |
2415 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2416 | return 0; | |
13e85fb3 RL |
2417 | } |
2418 | ||
3d34bedf MC |
2419 | #ifndef FIPS_MODULE |
2420 | int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey) | |
2421 | { | |
2422 | char name[80]; | |
2423 | size_t name_len; | |
2424 | ||
2425 | if (pkey == NULL) | |
2426 | return 0; | |
2427 | ||
2428 | if (pkey->keymgmt == NULL | |
2429 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2430 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2431 | /* Might work through the legacy route */ |
7bc0fdd3 | 2432 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2433 | |
2434 | if (ec == NULL) | |
2435 | return 0; | |
2436 | ||
2437 | return EC_KEY_get_conv_form(ec); | |
0e2f87c0 | 2438 | # else |
3d34bedf | 2439 | return 0; |
0e2f87c0 | 2440 | # endif |
3d34bedf MC |
2441 | } |
2442 | ||
2443 | if (!EVP_PKEY_get_utf8_string_param(pkey, | |
2444 | OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, | |
2445 | name, sizeof(name), &name_len)) | |
2446 | return 0; | |
2447 | ||
2448 | if (strcmp(name, "uncompressed") == 0) | |
2449 | return POINT_CONVERSION_UNCOMPRESSED; | |
2450 | ||
2451 | if (strcmp(name, "compressed") == 0) | |
2452 | return POINT_CONVERSION_COMPRESSED; | |
2453 | ||
2454 | if (strcmp(name, "hybrid") == 0) | |
2455 | return POINT_CONVERSION_HYBRID; | |
2456 | ||
2457 | return 0; | |
2458 | } | |
2459 | ||
2460 | int EVP_PKEY_get_field_type(const EVP_PKEY *pkey) | |
2461 | { | |
2462 | char fstr[80]; | |
2463 | size_t fstrlen; | |
2464 | ||
2465 | if (pkey == NULL) | |
2466 | return 0; | |
2467 | ||
2468 | if (pkey->keymgmt == NULL | |
2469 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2470 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2471 | /* Might work through the legacy route */ |
7bc0fdd3 | 2472 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2473 | const EC_GROUP *grp; |
2474 | ||
2475 | if (ec == NULL) | |
2476 | return 0; | |
2477 | grp = EC_KEY_get0_group(ec); | |
82a46200 TM |
2478 | if (grp == NULL) |
2479 | return 0; | |
3d34bedf MC |
2480 | |
2481 | return EC_GROUP_get_field_type(grp); | |
0e2f87c0 | 2482 | # else |
3d34bedf | 2483 | return 0; |
0e2f87c0 | 2484 | # endif |
3d34bedf MC |
2485 | } |
2486 | ||
2487 | if (!EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_EC_FIELD_TYPE, | |
2488 | fstr, sizeof(fstr), &fstrlen)) | |
2489 | return 0; | |
2490 | ||
2491 | if (strcmp(fstr, SN_X9_62_prime_field) == 0) | |
2492 | return NID_X9_62_prime_field; | |
2493 | else if (strcmp(fstr, SN_X9_62_characteristic_two_field)) | |
2494 | return NID_X9_62_characteristic_two_field; | |
2495 | ||
2496 | return 0; | |
2497 | } | |
2498 | #endif |