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62867571 | 1 | /* |
fecb3aae | 2 | * Copyright 1995-2022 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 | } |
030da844 | 71 | return size < 0 ? 0 : size; |
0f113f3e | 72 | } |
58964a49 | 73 | |
ed576acd | 74 | int EVP_PKEY_get_security_bits(const EVP_PKEY *pkey) |
0f113f3e | 75 | { |
030da844 RL |
76 | int size = 0; |
77 | ||
78 | if (pkey != NULL) { | |
79 | size = pkey->cache.security_bits; | |
80 | if (pkey->ameth != NULL && pkey->ameth->pkey_security_bits != NULL) | |
81 | size = pkey->ameth->pkey_security_bits(pkey); | |
82 | } | |
83 | return size < 0 ? 0 : size; | |
0f113f3e | 84 | } |
2514fa79 | 85 | |
6b691a5c | 86 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 87 | { |
e683582b | 88 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
89 | if (pkey->type == EVP_PKEY_DSA) { |
90 | int ret = pkey->save_parameters; | |
91 | ||
92 | if (mode >= 0) | |
93 | pkey->save_parameters = mode; | |
26a7d938 | 94 | return ret; |
0f113f3e | 95 | } |
e683582b SL |
96 | # endif |
97 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
98 | if (pkey->type == EVP_PKEY_EC) { |
99 | int ret = pkey->save_parameters; | |
100 | ||
101 | if (mode >= 0) | |
102 | pkey->save_parameters = mode; | |
26a7d938 | 103 | return ret; |
0f113f3e | 104 | } |
e683582b | 105 | # endif |
26a7d938 | 106 | return 0; |
0f113f3e | 107 | } |
d02b48c6 | 108 | |
ff1f7cde AT |
109 | int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg) |
110 | { | |
111 | return CRYPTO_set_ex_data(&key->ex_data, idx, arg); | |
112 | } | |
113 | ||
114 | void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx) | |
115 | { | |
116 | return CRYPTO_get_ex_data(&key->ex_data, idx); | |
117 | } | |
118 | ||
a8b72844 | 119 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 120 | { |
ff3b59e1 | 121 | /* |
5b5eea4b | 122 | * Clean up legacy stuff from this function when legacy support is gone. |
ff3b59e1 RL |
123 | */ |
124 | ||
93d6132a RL |
125 | EVP_PKEY *downgraded_from = NULL; |
126 | int ok = 0; | |
127 | ||
ff3b59e1 | 128 | /* |
93d6132a RL |
129 | * If |to| is a legacy key and |from| isn't, we must make a downgraded |
130 | * copy of |from|. If that fails, this function fails. | |
ff3b59e1 | 131 | */ |
93d6132a RL |
132 | if (evp_pkey_is_legacy(to) && evp_pkey_is_provided(from)) { |
133 | if (!evp_pkey_copy_downgraded(&downgraded_from, from)) | |
134 | goto end; | |
135 | from = downgraded_from; | |
136 | } | |
acb90ba8 RL |
137 | |
138 | /* | |
139 | * Make sure |to| is typed. Content is less important at this early | |
140 | * stage. | |
141 | * | |
142 | * 1. If |to| is untyped, assign |from|'s key type to it. | |
143 | * 2. If |to| contains a legacy key, compare its |type| to |from|'s. | |
144 | * (|from| was already downgraded above) | |
145 | * | |
146 | * If |to| is a provided key, there's nothing more to do here, functions | |
147 | * like evp_keymgmt_util_copy() and evp_pkey_export_to_provider() called | |
148 | * further down help us find out if they are the same or not. | |
149 | */ | |
5e5bc836 RL |
150 | if (evp_pkey_is_blank(to)) { |
151 | if (evp_pkey_is_legacy(from)) { | |
ff3b59e1 | 152 | if (EVP_PKEY_set_type(to, from->type) == 0) |
93d6132a | 153 | goto end; |
acb90ba8 RL |
154 | } else { |
155 | if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0) | |
93d6132a | 156 | goto end; |
acb90ba8 | 157 | } |
5e5bc836 | 158 | } else if (evp_pkey_is_legacy(to)) { |
acb90ba8 | 159 | if (to->type != from->type) { |
9311d0c4 | 160 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 161 | goto end; |
ff3b59e1 | 162 | } |
0f113f3e MC |
163 | } |
164 | ||
165 | if (EVP_PKEY_missing_parameters(from)) { | |
9311d0c4 | 166 | ERR_raise(ERR_LIB_EVP, EVP_R_MISSING_PARAMETERS); |
93d6132a | 167 | goto end; |
0f113f3e | 168 | } |
f72f00d4 DSH |
169 | |
170 | if (!EVP_PKEY_missing_parameters(to)) { | |
c74aaa39 | 171 | if (EVP_PKEY_parameters_eq(to, from) == 1) |
93d6132a RL |
172 | ok = 1; |
173 | else | |
174 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_PARAMETERS); | |
175 | goto end; | |
f72f00d4 DSH |
176 | } |
177 | ||
ff3b59e1 | 178 | /* For purely provided keys, we just call the keymgmt utility */ |
93d6132a RL |
179 | if (to->keymgmt != NULL && from->keymgmt != NULL) { |
180 | ok = evp_keymgmt_util_copy(to, (EVP_PKEY *)from, SELECT_PARAMETERS); | |
181 | goto end; | |
182 | } | |
ff3b59e1 RL |
183 | |
184 | /* | |
185 | * If |to| is provided, we know that |from| is legacy at this point. | |
85fcc3fb | 186 | * Try exporting |from| to |to|'s keymgmt, then use evp_keymgmt_dup() |
ff3b59e1 | 187 | * to copy the appropriate data to |to|'s keydata. |
85fcc3fb TM |
188 | * We cannot override existing data so do it only if there is no keydata |
189 | * in |to| yet. | |
ff3b59e1 | 190 | */ |
85fcc3fb | 191 | if (to->keymgmt != NULL && to->keydata == NULL) { |
ff3b59e1 RL |
192 | EVP_KEYMGMT *to_keymgmt = to->keymgmt; |
193 | void *from_keydata = | |
194 | evp_pkey_export_to_provider((EVP_PKEY *)from, NULL, &to_keymgmt, | |
195 | NULL); | |
196 | ||
acb90ba8 RL |
197 | /* |
198 | * If we get a NULL, it could be an internal error, or it could be | |
199 | * that there's a key mismatch. We're pretending the latter... | |
200 | */ | |
93d6132a | 201 | if (from_keydata == NULL) |
acb90ba8 | 202 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 203 | else |
85fcc3fb TM |
204 | ok = (to->keydata = evp_keymgmt_dup(to->keymgmt, |
205 | from_keydata, | |
206 | SELECT_PARAMETERS)) != NULL; | |
93d6132a | 207 | goto end; |
ff3b59e1 RL |
208 | } |
209 | ||
210 | /* Both keys are legacy */ | |
211 | if (from->ameth != NULL && from->ameth->param_copy != NULL) | |
93d6132a RL |
212 | ok = from->ameth->param_copy(to, from); |
213 | end: | |
214 | EVP_PKEY_free(downgraded_from); | |
215 | return ok; | |
0f113f3e | 216 | } |
d02b48c6 | 217 | |
af0f0f3e | 218 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 219 | { |
157ded39 RL |
220 | if (pkey != NULL) { |
221 | if (pkey->keymgmt != NULL) | |
8158cf20 | 222 | return !evp_keymgmt_util_has((EVP_PKEY *)pkey, SELECT_PARAMETERS); |
157ded39 RL |
223 | else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL) |
224 | return pkey->ameth->param_missing(pkey); | |
225 | } | |
0f113f3e MC |
226 | return 0; |
227 | } | |
d02b48c6 | 228 | |
1e9101c4 RL |
229 | /* |
230 | * This function is called for any mixture of keys except pure legacy pair. | |
37cddb2e | 231 | * When legacy keys are gone, we replace a call to this functions with |
1e9101c4 RL |
232 | * a call to evp_keymgmt_util_match(). |
233 | */ | |
234 | static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b, | |
235 | int selection) | |
236 | { | |
237 | EVP_KEYMGMT *keymgmt1 = NULL, *keymgmt2 = NULL; | |
238 | void *keydata1 = NULL, *keydata2 = NULL, *tmp_keydata = NULL; | |
239 | ||
240 | /* If none of them are provided, this function shouldn't have been called */ | |
a57fc730 | 241 | if (!ossl_assert(evp_pkey_is_provided(a) || evp_pkey_is_provided(b))) |
1e9101c4 RL |
242 | return -2; |
243 | ||
244 | /* For purely provided keys, we just call the keymgmt utility */ | |
a57fc730 | 245 | if (evp_pkey_is_provided(a) && evp_pkey_is_provided(b)) |
1e9101c4 RL |
246 | return evp_keymgmt_util_match((EVP_PKEY *)a, (EVP_PKEY *)b, selection); |
247 | ||
248 | /* | |
acb90ba8 RL |
249 | * At this point, one of them is provided, the other not. This allows |
250 | * us to compare types using legacy NIDs. | |
251 | */ | |
a57fc730 RL |
252 | if (evp_pkey_is_legacy(a) |
253 | && !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type))) | |
254 | return -1; /* not the same key type */ | |
255 | if (evp_pkey_is_legacy(b) | |
256 | && !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))) | |
acb90ba8 RL |
257 | return -1; /* not the same key type */ |
258 | ||
259 | /* | |
260 | * We've determined that they both are the same keytype, so the next | |
261 | * step is to do a bit of cross export to ensure we have keydata for | |
262 | * both keys in the same keymgmt. | |
1e9101c4 RL |
263 | */ |
264 | keymgmt1 = a->keymgmt; | |
265 | keydata1 = a->keydata; | |
266 | keymgmt2 = b->keymgmt; | |
267 | keydata2 = b->keydata; | |
268 | ||
1e9101c4 RL |
269 | if (keymgmt2 != NULL && keymgmt2->match != NULL) { |
270 | tmp_keydata = | |
271 | evp_pkey_export_to_provider((EVP_PKEY *)a, NULL, &keymgmt2, NULL); | |
272 | if (tmp_keydata != NULL) { | |
273 | keymgmt1 = keymgmt2; | |
274 | keydata1 = tmp_keydata; | |
275 | } | |
276 | } | |
277 | if (tmp_keydata == NULL && keymgmt1 != NULL && keymgmt1->match != NULL) { | |
278 | tmp_keydata = | |
279 | evp_pkey_export_to_provider((EVP_PKEY *)b, NULL, &keymgmt1, NULL); | |
280 | if (tmp_keydata != NULL) { | |
281 | keymgmt2 = keymgmt1; | |
282 | keydata2 = tmp_keydata; | |
283 | } | |
284 | } | |
285 | ||
286 | /* If we still don't have matching keymgmt implementations, we give up */ | |
287 | if (keymgmt1 != keymgmt2) | |
288 | return -2; | |
289 | ||
a24b510c RL |
290 | /* If the keymgmt implementations are NULL, the export failed */ |
291 | if (keymgmt1 == NULL) | |
292 | return -2; | |
293 | ||
1e9101c4 RL |
294 | return evp_keymgmt_match(keymgmt1, keydata1, keydata2, selection); |
295 | } | |
296 | ||
c85c5e1a | 297 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 298 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
299 | { |
300 | return EVP_PKEY_parameters_eq(a, b); | |
301 | } | |
c85c5e1a | 302 | #endif |
c74aaa39 DDO |
303 | |
304 | int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 305 | { |
1e9101c4 | 306 | /* |
37cddb2e | 307 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
308 | * is gone. |
309 | */ | |
310 | ||
311 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 | 312 | return evp_pkey_cmp_any(a, b, SELECT_PARAMETERS); |
1e9101c4 RL |
313 | |
314 | /* All legacy keys */ | |
0f113f3e MC |
315 | if (a->type != b->type) |
316 | return -1; | |
1e9101c4 | 317 | if (a->ameth != NULL && a->ameth->param_cmp != NULL) |
0f113f3e MC |
318 | return a->ameth->param_cmp(a, b); |
319 | return -2; | |
320 | } | |
58964a49 | 321 | |
c85c5e1a | 322 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 323 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
324 | { |
325 | return EVP_PKEY_eq(a, b); | |
326 | } | |
c85c5e1a | 327 | #endif |
c74aaa39 DDO |
328 | |
329 | int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 330 | { |
1e9101c4 | 331 | /* |
37cddb2e | 332 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
333 | * is gone. |
334 | */ | |
335 | ||
5af6e154 TM |
336 | /* Trivial shortcuts */ |
337 | if (a == b) | |
338 | return 1; | |
339 | if (a == NULL || b == NULL) | |
340 | return 0; | |
341 | ||
1e9101c4 | 342 | if (a->keymgmt != NULL || b->keymgmt != NULL) |
8158cf20 | 343 | return evp_pkey_cmp_any(a, b, (SELECT_PARAMETERS |
f3ba6265 | 344 | | OSSL_KEYMGMT_SELECT_KEYPAIR)); |
1e9101c4 RL |
345 | |
346 | /* All legacy keys */ | |
0f113f3e MC |
347 | if (a->type != b->type) |
348 | return -1; | |
349 | ||
1e9101c4 | 350 | if (a->ameth != NULL) { |
0f113f3e MC |
351 | int ret; |
352 | /* Compare parameters if the algorithm has them */ | |
1e9101c4 | 353 | if (a->ameth->param_cmp != NULL) { |
0f113f3e MC |
354 | ret = a->ameth->param_cmp(a, b); |
355 | if (ret <= 0) | |
356 | return ret; | |
357 | } | |
358 | ||
1e9101c4 | 359 | if (a->ameth->pub_cmp != NULL) |
0f113f3e MC |
360 | return a->ameth->pub_cmp(a, b); |
361 | } | |
362 | ||
363 | return -2; | |
364 | } | |
e6526fbf | 365 | |
1c4f340d | 366 | |
b4250010 | 367 | static EVP_PKEY *new_raw_key_int(OSSL_LIB_CTX *libctx, |
1c4f340d MC |
368 | const char *strtype, |
369 | const char *propq, | |
370 | int nidtype, | |
371 | ENGINE *e, | |
372 | const unsigned char *key, | |
373 | size_t len, | |
374 | int key_is_priv) | |
a08802ce | 375 | { |
1c4f340d MC |
376 | EVP_PKEY *pkey = NULL; |
377 | EVP_PKEY_CTX *ctx = NULL; | |
378 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; | |
379 | int result = 0; | |
380 | ||
381 | # ifndef OPENSSL_NO_ENGINE | |
382 | /* Check if there is an Engine for this type */ | |
383 | if (e == NULL) { | |
384 | ENGINE *tmpe = NULL; | |
385 | ||
386 | if (strtype != NULL) | |
387 | ameth = EVP_PKEY_asn1_find_str(&tmpe, strtype, -1); | |
388 | else if (nidtype != EVP_PKEY_NONE) | |
389 | ameth = EVP_PKEY_asn1_find(&tmpe, nidtype); | |
390 | ||
391 | /* If tmpe is NULL then no engine is claiming to support this type */ | |
392 | if (tmpe == NULL) | |
393 | ameth = NULL; | |
394 | ||
395 | ENGINE_finish(tmpe); | |
396 | } | |
397 | # endif | |
a08802ce | 398 | |
1c4f340d MC |
399 | if (e == NULL && ameth == NULL) { |
400 | /* | |
401 | * No engine is claiming to support this type, so lets see if we have | |
402 | * a provider. | |
403 | */ | |
404 | ctx = EVP_PKEY_CTX_new_from_name(libctx, | |
405 | strtype != NULL ? strtype | |
406 | : OBJ_nid2sn(nidtype), | |
407 | propq); | |
4feda976 | 408 | if (ctx == NULL) |
1c4f340d | 409 | goto err; |
1c4f340d MC |
410 | /* May fail if no provider available */ |
411 | ERR_set_mark(); | |
2db985b7 | 412 | if (EVP_PKEY_fromdata_init(ctx) == 1) { |
1c4f340d MC |
413 | OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END }; |
414 | ||
415 | ERR_clear_last_mark(); | |
416 | params[0] = OSSL_PARAM_construct_octet_string( | |
417 | key_is_priv ? OSSL_PKEY_PARAM_PRIV_KEY | |
418 | : OSSL_PKEY_PARAM_PUB_KEY, | |
419 | (void *)key, len); | |
420 | ||
2db985b7 | 421 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) != 1) { |
9311d0c4 | 422 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
423 | goto err; |
424 | } | |
425 | ||
426 | EVP_PKEY_CTX_free(ctx); | |
427 | ||
428 | return pkey; | |
429 | } | |
430 | ERR_pop_to_mark(); | |
431 | /* else not supported so fallback to legacy */ | |
a08802ce MC |
432 | } |
433 | ||
1c4f340d MC |
434 | /* Legacy code path */ |
435 | ||
436 | pkey = EVP_PKEY_new(); | |
437 | if (pkey == NULL) { | |
9311d0c4 | 438 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
a08802ce MC |
439 | goto err; |
440 | } | |
441 | ||
1c4f340d MC |
442 | if (!pkey_set_type(pkey, e, nidtype, strtype, -1, NULL)) { |
443 | /* EVPerr already called */ | |
a08802ce MC |
444 | goto err; |
445 | } | |
446 | ||
1c4f340d MC |
447 | if (!ossl_assert(pkey->ameth != NULL)) |
448 | goto err; | |
a08802ce | 449 | |
1c4f340d MC |
450 | if (key_is_priv) { |
451 | if (pkey->ameth->set_priv_key == NULL) { | |
9311d0c4 | 452 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
453 | goto err; |
454 | } | |
a08802ce | 455 | |
1c4f340d | 456 | if (!pkey->ameth->set_priv_key(pkey, key, len)) { |
9311d0c4 | 457 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
458 | goto err; |
459 | } | |
460 | } else { | |
461 | if (pkey->ameth->set_pub_key == NULL) { | |
9311d0c4 | 462 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
463 | goto err; |
464 | } | |
a08802ce | 465 | |
1c4f340d | 466 | if (!pkey->ameth->set_pub_key(pkey, key, len)) { |
9311d0c4 | 467 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
468 | goto err; |
469 | } | |
a08802ce MC |
470 | } |
471 | ||
1c4f340d MC |
472 | result = 1; |
473 | err: | |
474 | if (!result) { | |
475 | EVP_PKEY_free(pkey); | |
476 | pkey = NULL; | |
a08802ce | 477 | } |
1c4f340d MC |
478 | EVP_PKEY_CTX_free(ctx); |
479 | return pkey; | |
480 | } | |
a08802ce | 481 | |
b4250010 | 482 | EVP_PKEY *EVP_PKEY_new_raw_private_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
483 | const char *keytype, |
484 | const char *propq, | |
485 | const unsigned char *priv, size_t len) | |
1c4f340d MC |
486 | { |
487 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, priv, | |
488 | len, 1); | |
489 | } | |
a08802ce | 490 | |
1c4f340d MC |
491 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
492 | const unsigned char *priv, | |
493 | size_t len) | |
494 | { | |
495 | return new_raw_key_int(NULL, NULL, NULL, type, e, priv, len, 1); | |
496 | } | |
a08802ce | 497 | |
b4250010 | 498 | EVP_PKEY *EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
499 | const char *keytype, const char *propq, |
500 | const unsigned char *pub, size_t len) | |
1c4f340d MC |
501 | { |
502 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, pub, | |
503 | len, 0); | |
504 | } | |
505 | ||
506 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, | |
507 | const unsigned char *pub, | |
508 | size_t len) | |
509 | { | |
510 | return new_raw_key_int(NULL, NULL, NULL, type, e, pub, len, 0); | |
a08802ce MC |
511 | } |
512 | ||
c19d8978 MC |
513 | struct raw_key_details_st |
514 | { | |
515 | unsigned char **key; | |
516 | size_t *len; | |
517 | int selection; | |
518 | }; | |
519 | ||
520 | static OSSL_CALLBACK get_raw_key_details; | |
521 | static int get_raw_key_details(const OSSL_PARAM params[], void *arg) | |
522 | { | |
523 | const OSSL_PARAM *p = NULL; | |
524 | struct raw_key_details_st *raw_key = arg; | |
525 | ||
526 | if (raw_key->selection == OSSL_KEYMGMT_SELECT_PRIVATE_KEY) { | |
527 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY)) | |
528 | != NULL) | |
529 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
43da9a14 MC |
530 | raw_key->key == NULL ? 0 : *raw_key->len, |
531 | raw_key->len); | |
c19d8978 MC |
532 | } else if (raw_key->selection == OSSL_KEYMGMT_SELECT_PUBLIC_KEY) { |
533 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY)) | |
534 | != NULL) | |
535 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
43da9a14 MC |
536 | raw_key->key == NULL ? 0 : *raw_key->len, |
537 | raw_key->len); | |
c19d8978 MC |
538 | } |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
0d124b0a MC |
543 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
544 | size_t *len) | |
545 | { | |
c19d8978 MC |
546 | if (pkey->keymgmt != NULL) { |
547 | struct raw_key_details_st raw_key; | |
548 | ||
549 | raw_key.key = priv == NULL ? NULL : &priv; | |
550 | raw_key.len = len; | |
551 | raw_key.selection = OSSL_KEYMGMT_SELECT_PRIVATE_KEY; | |
552 | ||
655f73ce RL |
553 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PRIVATE_KEY, |
554 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
555 | } |
556 | ||
557 | if (pkey->ameth == NULL) { | |
9311d0c4 | 558 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
559 | return 0; |
560 | } | |
561 | ||
562 | if (pkey->ameth->get_priv_key == NULL) { | |
9311d0c4 | 563 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
564 | return 0; |
565 | } | |
566 | ||
567 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
9311d0c4 | 568 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
569 | return 0; |
570 | } | |
571 | ||
572 | return 1; | |
573 | } | |
574 | ||
575 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
576 | size_t *len) | |
577 | { | |
c19d8978 MC |
578 | if (pkey->keymgmt != NULL) { |
579 | struct raw_key_details_st raw_key; | |
580 | ||
581 | raw_key.key = pub == NULL ? NULL : &pub; | |
582 | raw_key.len = len; | |
583 | raw_key.selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
584 | ||
655f73ce RL |
585 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, |
586 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
587 | } |
588 | ||
589 | if (pkey->ameth == NULL) { | |
9311d0c4 | 590 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
591 | return 0; |
592 | } | |
593 | ||
0d124b0a | 594 | if (pkey->ameth->get_pub_key == NULL) { |
9311d0c4 | 595 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
596 | return 0; |
597 | } | |
598 | ||
599 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
9311d0c4 | 600 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
601 | return 0; |
602 | } | |
603 | ||
604 | return 1; | |
605 | } | |
606 | ||
a540ef90 MC |
607 | static EVP_PKEY *new_cmac_key_int(const unsigned char *priv, size_t len, |
608 | const char *cipher_name, | |
b4250010 DMSP |
609 | const EVP_CIPHER *cipher, |
610 | OSSL_LIB_CTX *libctx, | |
a540ef90 | 611 | const char *propq, ENGINE *e) |
b3831fbb | 612 | { |
e683582b SL |
613 | # ifndef OPENSSL_NO_CMAC |
614 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 615 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 616 | # endif |
2ef9a7ac | 617 | OSSL_PARAM params[5], *p = params; |
a540ef90 MC |
618 | EVP_PKEY *pkey = NULL; |
619 | EVP_PKEY_CTX *ctx; | |
620 | ||
621 | if (cipher != NULL) | |
ed576acd | 622 | cipher_name = EVP_CIPHER_get0_name(cipher); |
a540ef90 MC |
623 | |
624 | if (cipher_name == NULL) { | |
9311d0c4 | 625 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
a540ef90 MC |
626 | return NULL; |
627 | } | |
628 | ||
629 | ctx = EVP_PKEY_CTX_new_from_name(libctx, "CMAC", propq); | |
20d56d6d | 630 | if (ctx == NULL) |
a540ef90 | 631 | goto err; |
a540ef90 | 632 | |
5e199c35 | 633 | if (EVP_PKEY_fromdata_init(ctx) <= 0) { |
9311d0c4 | 634 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
635 | goto err; |
636 | } | |
637 | ||
a540ef90 MC |
638 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, |
639 | (void *)priv, len); | |
640 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
641 | (char *)cipher_name, 0); | |
2ef9a7ac MC |
642 | if (propq != NULL) |
643 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, | |
644 | (char *)propq, 0); | |
e683582b | 645 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 646 | if (engine_id != NULL) |
a540ef90 MC |
647 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_ENGINE, |
648 | (char *)engine_id, 0); | |
e683582b | 649 | # endif |
a540ef90 | 650 | *p = OSSL_PARAM_construct_end(); |
3be06e0d | 651 | |
d11cab47 | 652 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) <= 0) { |
9311d0c4 | 653 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
654 | goto err; |
655 | } | |
656 | ||
b3831fbb | 657 | err: |
a540ef90 MC |
658 | EVP_PKEY_CTX_free(ctx); |
659 | ||
660 | return pkey; | |
e683582b | 661 | # else |
9311d0c4 | 662 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
df6d51e2 | 663 | return NULL; |
e683582b | 664 | # endif |
b3831fbb | 665 | } |
a08802ce | 666 | |
a540ef90 MC |
667 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
668 | size_t len, const EVP_CIPHER *cipher) | |
669 | { | |
670 | return new_cmac_key_int(priv, len, NULL, cipher, NULL, NULL, e); | |
671 | } | |
672 | ||
01b8b3c7 | 673 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 674 | { |
8243d8d1 | 675 | return pkey_set_type(pkey, NULL, type, NULL, -1, NULL); |
0f113f3e | 676 | } |
01b8b3c7 DSH |
677 | |
678 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 679 | { |
8243d8d1 | 680 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len, NULL); |
0f113f3e | 681 | } |
2f2e6b62 | 682 | |
e683582b | 683 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
684 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
685 | { | |
686 | if (e != NULL) { | |
687 | if (!ENGINE_init(e)) { | |
9311d0c4 | 688 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
d19b01ad DSH |
689 | return 0; |
690 | } | |
691 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
692 | ENGINE_finish(e); | |
9311d0c4 | 693 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
d19b01ad DSH |
694 | return 0; |
695 | } | |
696 | } | |
697 | ENGINE_finish(pkey->pmeth_engine); | |
698 | pkey->pmeth_engine = e; | |
699 | return 1; | |
700 | } | |
229f7b38 DB |
701 | |
702 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
703 | { | |
704 | return pkey->engine; | |
705 | } | |
e683582b | 706 | # endif |
8e53d94d MC |
707 | |
708 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
b247113c TM |
709 | static void detect_foreign_key(EVP_PKEY *pkey) |
710 | { | |
711 | switch (pkey->type) { | |
712 | case EVP_PKEY_RSA: | |
713 | pkey->foreign = pkey->pkey.rsa != NULL | |
714 | && ossl_rsa_is_foreign(pkey->pkey.rsa); | |
715 | break; | |
716 | # ifndef OPENSSL_NO_EC | |
717 | case EVP_PKEY_SM2: | |
718 | case EVP_PKEY_EC: | |
719 | pkey->foreign = pkey->pkey.ec != NULL | |
720 | && ossl_ec_key_is_foreign(pkey->pkey.ec); | |
721 | break; | |
722 | # endif | |
723 | # ifndef OPENSSL_NO_DSA | |
724 | case EVP_PKEY_DSA: | |
725 | pkey->foreign = pkey->pkey.dsa != NULL | |
726 | && ossl_dsa_is_foreign(pkey->pkey.dsa); | |
727 | break; | |
728 | #endif | |
729 | # ifndef OPENSSL_NO_DH | |
730 | case EVP_PKEY_DH: | |
731 | pkey->foreign = pkey->pkey.dh != NULL | |
732 | && ossl_dh_is_foreign(pkey->pkey.dh); | |
733 | break; | |
734 | #endif | |
735 | default: | |
736 | pkey->foreign = 0; | |
737 | break; | |
738 | } | |
739 | } | |
740 | ||
01b8b3c7 | 741 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 742 | { |
8e53d94d | 743 | # ifndef OPENSSL_NO_EC |
28fd8953 MC |
744 | int pktype; |
745 | ||
746 | pktype = EVP_PKEY_type(type); | |
747 | if ((key != NULL) && (pktype == EVP_PKEY_EC || pktype == EVP_PKEY_SM2)) { | |
f4e4382c RL |
748 | const EC_GROUP *group = EC_KEY_get0_group(key); |
749 | ||
28fd8953 MC |
750 | if (group != NULL) { |
751 | int curve = EC_GROUP_get_curve_name(group); | |
752 | ||
753 | /* | |
754 | * Regardless of what is requested the SM2 curve must be SM2 type, | |
755 | * and non SM2 curves are EC type. | |
756 | */ | |
757 | if (curve == NID_sm2 && pktype == EVP_PKEY_EC) | |
758 | type = EVP_PKEY_SM2; | |
759 | else if(curve != NID_sm2 && pktype == EVP_PKEY_SM2) | |
760 | type = EVP_PKEY_EC; | |
761 | } | |
f4e4382c | 762 | } |
8e53d94d | 763 | # endif |
f4e4382c | 764 | |
e34c66c6 | 765 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e | 766 | return 0; |
28fd8953 | 767 | |
0f113f3e | 768 | pkey->pkey.ptr = key; |
b247113c TM |
769 | detect_foreign_key(pkey); |
770 | ||
0f113f3e MC |
771 | return (key != NULL); |
772 | } | |
8e53d94d | 773 | # endif |
d02b48c6 | 774 | |
896dcda1 | 775 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e | 776 | { |
3c1ccfea SL |
777 | if (pkey == NULL) |
778 | return NULL; | |
b574c6a9 | 779 | |
896dcda1 DB |
780 | if (!evp_pkey_is_provided(pkey)) |
781 | return pkey->pkey.ptr; | |
782 | ||
783 | return NULL; | |
0f113f3e | 784 | } |
db98bbc1 | 785 | |
ebad0b0b NM |
786 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
787 | { | |
7bc0fdd3 | 788 | const ASN1_OCTET_STRING *os = NULL; |
ebad0b0b | 789 | if (pkey->type != EVP_PKEY_HMAC) { |
9311d0c4 | 790 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_AN_HMAC_KEY); |
ebad0b0b NM |
791 | return NULL; |
792 | } | |
896dcda1 DB |
793 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
794 | if (os != NULL) { | |
795 | *len = os->length; | |
796 | return os->data; | |
797 | } | |
798 | return NULL; | |
ebad0b0b NM |
799 | } |
800 | ||
e683582b | 801 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
802 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
803 | { | |
7bc0fdd3 | 804 | const ASN1_OCTET_STRING *os = NULL; |
52ad5b60 | 805 | if (pkey->type != EVP_PKEY_POLY1305) { |
9311d0c4 | 806 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_POLY1305_KEY); |
52ad5b60 TS |
807 | return NULL; |
808 | } | |
896dcda1 DB |
809 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
810 | if (os != NULL) { | |
811 | *len = os->length; | |
812 | return os->data; | |
813 | } | |
814 | return NULL; | |
52ad5b60 | 815 | } |
e683582b | 816 | # endif |
52ad5b60 | 817 | |
e683582b | 818 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
819 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
820 | { | |
7bc0fdd3 | 821 | const ASN1_OCTET_STRING *os = NULL; |
3f5616d7 TS |
822 | |
823 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
9311d0c4 | 824 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_SIPHASH_KEY); |
3f5616d7 TS |
825 | return NULL; |
826 | } | |
896dcda1 DB |
827 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
828 | if (os != NULL) { | |
829 | *len = os->length; | |
830 | return os->data; | |
831 | } | |
832 | return NULL; | |
3f5616d7 | 833 | } |
e683582b | 834 | # endif |
3f5616d7 | 835 | |
e683582b | 836 | # ifndef OPENSSL_NO_DSA |
7bc0fdd3 | 837 | static DSA *evp_pkey_get0_DSA_int(const EVP_PKEY *pkey) |
0f113f3e MC |
838 | { |
839 | if (pkey->type != EVP_PKEY_DSA) { | |
9311d0c4 | 840 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
841 | return NULL; |
842 | } | |
b574c6a9 | 843 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 844 | } |
2872dbe1 | 845 | |
7bc0fdd3 MC |
846 | const DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
847 | { | |
848 | return evp_pkey_get0_DSA_int(pkey); | |
849 | } | |
850 | ||
b03ec3b5 SL |
851 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
852 | { | |
853 | int ret = EVP_PKEY_assign_DSA(pkey, key); | |
854 | if (ret) | |
855 | DSA_up_ref(key); | |
856 | return ret; | |
857 | } | |
2872dbe1 DSH |
858 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) |
859 | { | |
7bc0fdd3 MC |
860 | DSA *ret = evp_pkey_get0_DSA_int(pkey); |
861 | ||
2872dbe1 DSH |
862 | if (ret != NULL) |
863 | DSA_up_ref(ret); | |
864 | return ret; | |
865 | } | |
b03ec3b5 | 866 | # endif /* OPENSSL_NO_DSA */ |
f769ce3e | 867 | |
e683582b | 868 | # ifndef OPENSSL_NO_EC |
7bc0fdd3 | 869 | static const ECX_KEY *evp_pkey_get0_ECX_KEY(const EVP_PKEY *pkey, int type) |
7c664b1f | 870 | { |
ed576acd | 871 | if (EVP_PKEY_get_base_id(pkey) != type) { |
7c664b1f RL |
872 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_ECX_KEY); |
873 | return NULL; | |
874 | } | |
b574c6a9 | 875 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
7c664b1f RL |
876 | } |
877 | ||
25b16562 | 878 | static ECX_KEY *evp_pkey_get1_ECX_KEY(EVP_PKEY *pkey, int type) |
7c664b1f | 879 | { |
7bc0fdd3 | 880 | ECX_KEY *ret = (ECX_KEY *)evp_pkey_get0_ECX_KEY(pkey, type); |
8eca93f8 P |
881 | |
882 | if (ret != NULL && !ossl_ecx_key_up_ref(ret)) | |
883 | ret = NULL; | |
7c664b1f RL |
884 | return ret; |
885 | } | |
886 | ||
887 | # define IMPLEMENT_ECX_VARIANT(NAME) \ | |
32ab57cb | 888 | ECX_KEY *ossl_evp_pkey_get1_##NAME(EVP_PKEY *pkey) \ |
7c664b1f | 889 | { \ |
25b16562 | 890 | return evp_pkey_get1_ECX_KEY(pkey, EVP_PKEY_##NAME); \ |
7c664b1f RL |
891 | } |
892 | IMPLEMENT_ECX_VARIANT(X25519) | |
893 | IMPLEMENT_ECX_VARIANT(X448) | |
894 | IMPLEMENT_ECX_VARIANT(ED25519) | |
895 | IMPLEMENT_ECX_VARIANT(ED448) | |
896 | ||
e683582b | 897 | # endif |
4d94ae00 | 898 | |
5a267416 | 899 | # if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
52664f50 | 900 | |
f1ffaaee | 901 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *dhkey) |
52664f50 | 902 | { |
f1ffaaee SL |
903 | int ret, type; |
904 | ||
905 | /* | |
906 | * ossl_dh_is_named_safe_prime_group() returns 1 for named safe prime groups | |
907 | * related to ffdhe and modp (which cache q = (p - 1) / 2), | |
908 | * and returns 0 for all other dh parameter generation types including | |
909 | * RFC5114 named groups. | |
910 | * | |
911 | * The EVP_PKEY_DH type is used for dh parameter generation types: | |
912 | * - named safe prime groups related to ffdhe and modp | |
913 | * - safe prime generator | |
914 | * | |
915 | * The type EVP_PKEY_DHX is used for dh parameter generation types | |
916 | * - fips186-4 and fips186-2 | |
917 | * - rfc5114 named groups. | |
918 | * | |
919 | * The EVP_PKEY_DH type is used to save PKCS#3 data than can be stored | |
920 | * without a q value. | |
921 | * The EVP_PKEY_DHX type is used to save X9.42 data that requires the | |
922 | * q value to be stored. | |
923 | */ | |
924 | if (ossl_dh_is_named_safe_prime_group(dhkey)) | |
925 | type = EVP_PKEY_DH; | |
926 | else | |
927 | type = DH_get0_q(dhkey) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; | |
928 | ||
929 | ret = EVP_PKEY_assign(pkey, type, dhkey); | |
32c869ff | 930 | |
0f113f3e | 931 | if (ret) |
f1ffaaee | 932 | DH_up_ref(dhkey); |
0f113f3e | 933 | return ret; |
52664f50 DSH |
934 | } |
935 | ||
7bc0fdd3 | 936 | DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey) |
0f113f3e MC |
937 | { |
938 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
9311d0c4 | 939 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
940 | return NULL; |
941 | } | |
b574c6a9 | 942 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 943 | } |
2872dbe1 | 944 | |
7bc0fdd3 MC |
945 | const DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
946 | { | |
947 | return evp_pkey_get0_DH_int(pkey); | |
948 | } | |
949 | ||
2872dbe1 DSH |
950 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) |
951 | { | |
7bc0fdd3 MC |
952 | DH *ret = evp_pkey_get0_DH_int(pkey); |
953 | ||
2872dbe1 DSH |
954 | if (ret != NULL) |
955 | DH_up_ref(ret); | |
956 | return ret; | |
957 | } | |
e683582b | 958 | # endif |
f769ce3e | 959 | |
6b691a5c | 960 | int EVP_PKEY_type(int type) |
0f113f3e MC |
961 | { |
962 | int ret; | |
963 | const EVP_PKEY_ASN1_METHOD *ameth; | |
964 | ENGINE *e; | |
965 | ameth = EVP_PKEY_asn1_find(&e, type); | |
966 | if (ameth) | |
967 | ret = ameth->pkey_id; | |
968 | else | |
969 | ret = NID_undef; | |
e683582b | 970 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 971 | ENGINE_finish(e); |
e683582b | 972 | # endif |
0f113f3e MC |
973 | return ret; |
974 | } | |
d02b48c6 | 975 | |
ed576acd | 976 | int EVP_PKEY_get_id(const EVP_PKEY *pkey) |
0f113f3e MC |
977 | { |
978 | return pkey->type; | |
979 | } | |
7f57b076 | 980 | |
ed576acd | 981 | int EVP_PKEY_get_base_id(const EVP_PKEY *pkey) |
0f113f3e MC |
982 | { |
983 | return EVP_PKEY_type(pkey->type); | |
984 | } | |
7f57b076 | 985 | |
977e95b9 RL |
986 | /* |
987 | * These hard coded cases are pure hackery to get around the fact | |
988 | * that names in crypto/objects/objects.txt are a mess. There is | |
989 | * no "EC", and "RSA" leads to the NID for 2.5.8.1.1, an OID that's | |
990 | * fallen out in favor of { pkcs-1 1 }, i.e. 1.2.840.113549.1.1.1, | |
991 | * the NID of which is used for EVP_PKEY_RSA. Strangely enough, | |
992 | * "DSA" is accurate... but still, better be safe and hard-code | |
993 | * names that we know. | |
994 | * On a similar topic, EVP_PKEY_type(EVP_PKEY_SM2) will result in | |
995 | * EVP_PKEY_EC, because of aliasing. | |
37cddb2e | 996 | * This should be cleaned away along with all other #legacy support. |
977e95b9 RL |
997 | */ |
998 | static const OSSL_ITEM standard_name2type[] = { | |
999 | { EVP_PKEY_RSA, "RSA" }, | |
1000 | { EVP_PKEY_RSA_PSS, "RSA-PSS" }, | |
1001 | { EVP_PKEY_EC, "EC" }, | |
1002 | { EVP_PKEY_ED25519, "ED25519" }, | |
1003 | { EVP_PKEY_ED448, "ED448" }, | |
1004 | { EVP_PKEY_X25519, "X25519" }, | |
1005 | { EVP_PKEY_X448, "X448" }, | |
1006 | { EVP_PKEY_SM2, "SM2" }, | |
1007 | { EVP_PKEY_DH, "DH" }, | |
1008 | { EVP_PKEY_DHX, "X9.42 DH" }, | |
1009 | { EVP_PKEY_DHX, "DHX" }, | |
1010 | { EVP_PKEY_DSA, "DSA" }, | |
1011 | }; | |
1012 | ||
50914496 RL |
1013 | int evp_pkey_name2type(const char *name) |
1014 | { | |
977e95b9 RL |
1015 | int type; |
1016 | size_t i; | |
1017 | ||
1018 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
fba140c7 | 1019 | if (OPENSSL_strcasecmp(name, standard_name2type[i].ptr) == 0) |
977e95b9 RL |
1020 | return (int)standard_name2type[i].id; |
1021 | } | |
1022 | ||
1023 | if ((type = EVP_PKEY_type(OBJ_sn2nid(name))) != NID_undef) | |
1024 | return type; | |
1025 | return EVP_PKEY_type(OBJ_ln2nid(name)); | |
1026 | } | |
1027 | ||
1028 | const char *evp_pkey_type2name(int type) | |
1029 | { | |
1030 | size_t i; | |
1031 | ||
1032 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1033 | if (type == (int)standard_name2type[i].id) | |
1034 | return standard_name2type[i].ptr; | |
1035 | } | |
1036 | ||
1037 | return OBJ_nid2sn(type); | |
50914496 | 1038 | } |
50914496 | 1039 | |
4f76d62f RL |
1040 | int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name) |
1041 | { | |
ee8db8c5 P |
1042 | if (pkey == NULL) |
1043 | return 0; | |
1044 | if (pkey->keymgmt == NULL) | |
1045 | return pkey->type == evp_pkey_name2type(name); | |
4f76d62f RL |
1046 | return EVP_KEYMGMT_is_a(pkey->keymgmt, name); |
1047 | } | |
1048 | ||
ddf0d149 TM |
1049 | int EVP_PKEY_type_names_do_all(const EVP_PKEY *pkey, |
1050 | void (*fn)(const char *name, void *data), | |
1051 | void *data) | |
ae12eac0 RL |
1052 | { |
1053 | if (!evp_pkey_is_typed(pkey)) | |
d84f5515 | 1054 | return 0; |
ae12eac0 RL |
1055 | |
1056 | if (!evp_pkey_is_provided(pkey)) { | |
ed576acd | 1057 | const char *name = OBJ_nid2sn(EVP_PKEY_get_id(pkey)); |
ae12eac0 RL |
1058 | |
1059 | fn(name, data); | |
d84f5515 | 1060 | return 1; |
ae12eac0 | 1061 | } |
d84f5515 | 1062 | return EVP_KEYMGMT_names_do_all(pkey->keymgmt, fn, data); |
ae12eac0 RL |
1063 | } |
1064 | ||
4f76d62f RL |
1065 | int EVP_PKEY_can_sign(const EVP_PKEY *pkey) |
1066 | { | |
1067 | if (pkey->keymgmt == NULL) { | |
ed576acd | 1068 | switch (EVP_PKEY_get_base_id(pkey)) { |
4f76d62f RL |
1069 | case EVP_PKEY_RSA: |
1070 | return 1; | |
0e2f87c0 | 1071 | # ifndef OPENSSL_NO_DSA |
4f76d62f RL |
1072 | case EVP_PKEY_DSA: |
1073 | return 1; | |
0e2f87c0 TM |
1074 | # endif |
1075 | # ifndef OPENSSL_NO_EC | |
4f76d62f RL |
1076 | case EVP_PKEY_ED25519: |
1077 | case EVP_PKEY_ED448: | |
1078 | return 1; | |
1079 | case EVP_PKEY_EC: /* Including SM2 */ | |
1080 | return EC_KEY_can_sign(pkey->pkey.ec); | |
0e2f87c0 | 1081 | # endif |
4f76d62f RL |
1082 | default: |
1083 | break; | |
1084 | } | |
1085 | } else { | |
ed576acd | 1086 | const OSSL_PROVIDER *prov = EVP_KEYMGMT_get0_provider(pkey->keymgmt); |
a829b735 | 1087 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); |
4f76d62f RL |
1088 | const char *supported_sig = |
1089 | pkey->keymgmt->query_operation_name != NULL | |
1090 | ? pkey->keymgmt->query_operation_name(OSSL_OP_SIGNATURE) | |
ed576acd | 1091 | : EVP_KEYMGMT_get0_name(pkey->keymgmt); |
4f76d62f RL |
1092 | EVP_SIGNATURE *signature = NULL; |
1093 | ||
1094 | signature = EVP_SIGNATURE_fetch(libctx, supported_sig, NULL); | |
1095 | if (signature != NULL) { | |
1096 | EVP_SIGNATURE_free(signature); | |
1097 | return 1; | |
1098 | } | |
1099 | } | |
1100 | return 0; | |
1101 | } | |
d02b48c6 | 1102 | |
f1299839 RL |
1103 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
1104 | { | |
1105 | BIO_set_indent(*out, saved_indent); | |
1106 | if (pop_f_prefix) { | |
1107 | BIO *next = BIO_pop(*out); | |
1108 | ||
1109 | BIO_free(*out); | |
1110 | *out = next; | |
1111 | } | |
1112 | return 1; | |
1113 | } | |
1114 | ||
1115 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
1116 | long indent) | |
1117 | { | |
1118 | *pop_f_prefix = 0; | |
1119 | *saved_indent = 0; | |
1120 | if (indent > 0) { | |
1121 | long i = BIO_get_indent(*out); | |
1122 | ||
1123 | *saved_indent = (i < 0 ? 0 : i); | |
1124 | if (BIO_set_indent(*out, indent) <= 0) { | |
d8732803 TM |
1125 | BIO *prefbio = BIO_new(BIO_f_prefix()); |
1126 | ||
1127 | if (prefbio == NULL) | |
f1299839 | 1128 | return 0; |
d8732803 | 1129 | *out = BIO_push(prefbio, *out); |
f1299839 RL |
1130 | *pop_f_prefix = 1; |
1131 | } | |
1132 | if (BIO_set_indent(*out, indent) <= 0) { | |
1133 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
1134 | return 0; | |
1135 | } | |
1136 | } | |
1137 | return 1; | |
1138 | } | |
1139 | ||
35208f36 | 1140 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
1141 | const char *kstr) |
1142 | { | |
5310a4e6 P |
1143 | return BIO_indent(out, indent, 128) |
1144 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
1145 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 1146 | } |
35208f36 | 1147 | |
f1299839 | 1148 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
97bb8dff | 1149 | int selection /* For provided encoding */, |
ece9304c | 1150 | const char *propquery /* For provided encoding */, |
f1299839 RL |
1151 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, |
1152 | int indent, ASN1_PCTX *pctx), | |
1153 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 1154 | { |
f1299839 RL |
1155 | int pop_f_prefix; |
1156 | long saved_indent; | |
ece9304c | 1157 | OSSL_ENCODER_CTX *ctx = NULL; |
f1299839 RL |
1158 | int ret = -2; /* default to unsupported */ |
1159 | ||
1160 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
1161 | return 0; | |
54c1711f | 1162 | |
fe75766c TM |
1163 | ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, "TEXT", NULL, |
1164 | propquery); | |
97bb8dff | 1165 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0) |
ece9304c RL |
1166 | ret = OSSL_ENCODER_to_bio(ctx, out); |
1167 | OSSL_ENCODER_CTX_free(ctx); | |
54c1711f RL |
1168 | |
1169 | if (ret != -2) | |
f1299839 | 1170 | goto end; |
54c1711f RL |
1171 | |
1172 | /* legacy fallback */ | |
f1299839 RL |
1173 | if (legacy_print != NULL) |
1174 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
1175 | else | |
1176 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 1177 | |
f1299839 RL |
1178 | end: |
1179 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
1184 | int indent, ASN1_PCTX *pctx) | |
1185 | { | |
b03da688 | 1186 | return print_pkey(pkey, out, indent, EVP_PKEY_PUBLIC_KEY, NULL, |
f1299839 RL |
1187 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), |
1188 | pctx); | |
0f113f3e | 1189 | } |
35208f36 DSH |
1190 | |
1191 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1192 | int indent, ASN1_PCTX *pctx) |
1193 | { | |
b03da688 | 1194 | return print_pkey(pkey, out, indent, EVP_PKEY_KEYPAIR, NULL, |
f1299839 RL |
1195 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), |
1196 | pctx); | |
0f113f3e | 1197 | } |
35208f36 DSH |
1198 | |
1199 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1200 | int indent, ASN1_PCTX *pctx) |
1201 | { | |
b03da688 | 1202 | return print_pkey(pkey, out, indent, EVP_PKEY_KEY_PARAMETERS, NULL, |
f1299839 RL |
1203 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), |
1204 | pctx); | |
0f113f3e | 1205 | } |
03919683 | 1206 | |
0e2f87c0 TM |
1207 | # ifndef OPENSSL_NO_STDIO |
1208 | int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey, | |
1209 | int indent, ASN1_PCTX *pctx) | |
1210 | { | |
1211 | int ret; | |
1212 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1213 | ||
1214 | if (b == NULL) | |
1215 | return 0; | |
1216 | ret = EVP_PKEY_print_public(b, pkey, indent, pctx); | |
1217 | BIO_free(b); | |
1218 | return ret; | |
1219 | } | |
1220 | ||
1221 | int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey, | |
1222 | int indent, ASN1_PCTX *pctx) | |
1223 | { | |
1224 | int ret; | |
1225 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1226 | ||
1227 | if (b == NULL) | |
1228 | return 0; | |
1229 | ret = EVP_PKEY_print_private(b, pkey, indent, pctx); | |
1230 | BIO_free(b); | |
1231 | return ret; | |
1232 | } | |
1233 | ||
1234 | int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey, | |
1235 | int indent, ASN1_PCTX *pctx) | |
1236 | { | |
1237 | int ret; | |
1238 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1239 | ||
1240 | if (b == NULL) | |
1241 | return 0; | |
1242 | ret = EVP_PKEY_print_params(b, pkey, indent, pctx); | |
1243 | BIO_free(b); | |
1244 | return ret; | |
1245 | } | |
1246 | # endif | |
1247 | ||
fc52ae8c | 1248 | static void mdname2nid(const char *mdname, void *data) |
5060cd5f MC |
1249 | { |
1250 | int *nid = (int *)data; | |
1251 | ||
1252 | if (*nid != NID_undef) | |
1253 | return; | |
1254 | ||
1255 | *nid = OBJ_sn2nid(mdname); | |
1256 | if (*nid == NID_undef) | |
1257 | *nid = OBJ_ln2nid(mdname); | |
1258 | } | |
1259 | ||
ead0d234 RL |
1260 | static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, |
1261 | int arg1, void *arg2) | |
1262 | { | |
3c6ed955 | 1263 | if (pkey->keymgmt == NULL) |
ead0d234 RL |
1264 | return 0; |
1265 | switch (op) { | |
1266 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: | |
1267 | { | |
1268 | char mdname[80] = ""; | |
ead0d234 RL |
1269 | int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, |
1270 | sizeof(mdname)); | |
1271 | ||
90ef39f4 | 1272 | if (rv > 0) { |
5060cd5f MC |
1273 | int mdnum; |
1274 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(pkey->keymgmt->prov); | |
1275 | /* Make sure the MD is in the namemap if available */ | |
3c15d677 SL |
1276 | EVP_MD *md; |
1277 | OSSL_NAMEMAP *namemap; | |
5060cd5f MC |
1278 | int nid = NID_undef; |
1279 | ||
3c15d677 SL |
1280 | (void)ERR_set_mark(); |
1281 | md = EVP_MD_fetch(libctx, mdname, NULL); | |
1282 | (void)ERR_pop_to_mark(); | |
1283 | namemap = ossl_namemap_stored(libctx); | |
1284 | ||
5060cd5f MC |
1285 | /* |
1286 | * The only reason to fetch the MD was to make sure it is in the | |
1287 | * namemap. We can immediately free it. | |
1288 | */ | |
1289 | EVP_MD_free(md); | |
1290 | mdnum = ossl_namemap_name2num(namemap, mdname); | |
1291 | if (mdnum == 0) | |
1292 | return 0; | |
1293 | ||
1294 | /* | |
1295 | * We have the namemap number - now we need to find the | |
1296 | * associated nid | |
1297 | */ | |
d84f5515 MC |
1298 | if (!ossl_namemap_doall_names(namemap, mdnum, mdname2nid, &nid)) |
1299 | return 0; | |
90ef39f4 RL |
1300 | *(int *)arg2 = nid; |
1301 | } | |
1302 | return rv; | |
ead0d234 RL |
1303 | } |
1304 | default: | |
1305 | return -2; | |
1306 | } | |
1307 | } | |
1308 | ||
5d6aaf8a | 1309 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 1310 | { |
ead0d234 RL |
1311 | if (pkey->ameth == NULL) |
1312 | return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); | |
1313 | if (pkey->ameth->pkey_ctrl == NULL) | |
0f113f3e | 1314 | return -2; |
5d6aaf8a DSH |
1315 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
1316 | } | |
1317 | ||
1318 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
1319 | { | |
1320 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
1321 | } | |
1322 | ||
ead0d234 RL |
1323 | int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, |
1324 | char *mdname, size_t mdname_sz) | |
1325 | { | |
3b924da0 RL |
1326 | if (pkey->ameth == NULL) |
1327 | return evp_keymgmt_util_get_deflt_digest_name(pkey->keymgmt, | |
1328 | pkey->keydata, | |
1329 | mdname, mdname_sz); | |
ead0d234 RL |
1330 | |
1331 | { | |
1332 | int nid = NID_undef; | |
1333 | int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); | |
1334 | const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; | |
1335 | ||
1336 | if (rv > 0) | |
1337 | OPENSSL_strlcpy(mdname, name, mdname_sz); | |
1338 | return rv; | |
1339 | } | |
1340 | } | |
1341 | ||
88bddad4 RL |
1342 | int EVP_PKEY_get_group_name(const EVP_PKEY *pkey, char *gname, size_t gname_sz, |
1343 | size_t *gname_len) | |
1344 | { | |
6fcd92d3 RL |
1345 | return EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_GROUP_NAME, |
1346 | gname, gname_sz, gname_len); | |
88bddad4 RL |
1347 | } |
1348 | ||
e9fe0f7e TM |
1349 | int EVP_PKEY_digestsign_supports_digest(EVP_PKEY *pkey, OSSL_LIB_CTX *libctx, |
1350 | const char *name, const char *propq) | |
ecbb2fca | 1351 | { |
e9fe0f7e TM |
1352 | int rv; |
1353 | EVP_MD_CTX *ctx = NULL; | |
ecbb2fca | 1354 | |
e9fe0f7e TM |
1355 | if ((ctx = EVP_MD_CTX_new()) == NULL) |
1356 | return -1; | |
1357 | ||
1358 | ERR_set_mark(); | |
1359 | rv = EVP_DigestSignInit_ex(ctx, NULL, name, libctx, | |
1360 | propq, pkey, NULL); | |
1361 | ERR_pop_to_mark(); | |
1362 | ||
1363 | EVP_MD_CTX_free(ctx); | |
ecbb2fca DW |
1364 | return rv; |
1365 | } | |
1366 | ||
5ac8fb58 MC |
1367 | int EVP_PKEY_set1_encoded_public_key(EVP_PKEY *pkey, const unsigned char *pub, |
1368 | size_t publen) | |
5d6aaf8a | 1369 | { |
76624df1 RL |
1370 | if (pkey != NULL && evp_pkey_is_provided(pkey)) |
1371 | return | |
1372 | EVP_PKEY_set_octet_string_param(pkey, | |
1373 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1374 | (unsigned char *)pub, publen); | |
6a9bd929 | 1375 | |
5ac8fb58 | 1376 | if (publen > INT_MAX) |
5d6aaf8a | 1377 | return 0; |
5ac8fb58 MC |
1378 | /* Historically this function was EVP_PKEY_set1_tls_encodedpoint */ |
1379 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, publen, | |
1380 | (void *)pub) <= 0) | |
5d6aaf8a DSH |
1381 | return 0; |
1382 | return 1; | |
1383 | } | |
1384 | ||
5ac8fb58 | 1385 | size_t EVP_PKEY_get1_encoded_public_key(EVP_PKEY *pkey, unsigned char **ppub) |
5d6aaf8a DSH |
1386 | { |
1387 | int rv; | |
6a9bd929 | 1388 | |
76624df1 RL |
1389 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
1390 | size_t return_size = OSSL_PARAM_UNMODIFIED; | |
4e9a4997 | 1391 | unsigned char *buf; |
6a9bd929 | 1392 | |
76624df1 RL |
1393 | /* |
1394 | * We know that this is going to fail, but it will give us a size | |
1395 | * to allocate. | |
1396 | */ | |
1397 | EVP_PKEY_get_octet_string_param(pkey, | |
1398 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1399 | NULL, 0, &return_size); | |
1400 | if (return_size == OSSL_PARAM_UNMODIFIED) | |
6a9bd929 MC |
1401 | return 0; |
1402 | ||
4e9a4997 | 1403 | *ppub = NULL; |
1404 | buf = OPENSSL_malloc(return_size); | |
1405 | if (buf == NULL) | |
6a9bd929 MC |
1406 | return 0; |
1407 | ||
76624df1 RL |
1408 | if (!EVP_PKEY_get_octet_string_param(pkey, |
1409 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
4e9a4997 | 1410 | buf, return_size, NULL)) { |
1411 | OPENSSL_free(buf); | |
6a9bd929 | 1412 | return 0; |
4e9a4997 | 1413 | } |
1414 | *ppub = buf; | |
76624df1 | 1415 | return return_size; |
6a9bd929 MC |
1416 | } |
1417 | ||
1418 | ||
5ac8fb58 | 1419 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppub); |
5d6aaf8a DSH |
1420 | if (rv <= 0) |
1421 | return 0; | |
1422 | return rv; | |
0f113f3e | 1423 | } |
e683582b | 1424 | |
f844f9eb | 1425 | #endif /* FIPS_MODULE */ |
e683582b | 1426 | |
f844f9eb | 1427 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
1428 | |
1429 | EVP_PKEY *EVP_PKEY_new(void) | |
1430 | { | |
1431 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
1432 | ||
1433 | if (ret == NULL) { | |
9311d0c4 | 1434 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
e683582b SL |
1435 | return NULL; |
1436 | } | |
4ce1025a | 1437 | |
b574c6a9 MC |
1438 | ret->type = EVP_PKEY_NONE; |
1439 | ret->save_type = EVP_PKEY_NONE; | |
1440 | ret->references = 1; | |
4ce1025a | 1441 | |
8dc34b1f DB |
1442 | ret->lock = CRYPTO_THREAD_lock_new(); |
1443 | if (ret->lock == NULL) { | |
1444 | EVPerr(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1445 | goto err; | |
1446 | } | |
1447 | ||
f844f9eb | 1448 | #ifndef FIPS_MODULE |
b247113c | 1449 | ret->save_parameters = 1; |
ff1f7cde | 1450 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, ret, &ret->ex_data)) { |
9311d0c4 | 1451 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
ff1f7cde | 1452 | goto err; |
e683582b | 1453 | } |
ff1f7cde | 1454 | #endif |
e683582b | 1455 | return ret; |
ff1f7cde AT |
1456 | |
1457 | err: | |
1458 | CRYPTO_THREAD_lock_free(ret->lock); | |
1459 | OPENSSL_free(ret); | |
1460 | return NULL; | |
e683582b SL |
1461 | } |
1462 | ||
8243d8d1 RL |
1463 | /* |
1464 | * Setup a public key management method. | |
1465 | * | |
1466 | * For legacy keys, either |type| or |str| is expected to have the type | |
1467 | * information. In this case, the setup consists of finding an ASN1 method | |
1468 | * and potentially an ENGINE, and setting those fields in |pkey|. | |
1469 | * | |
1470 | * For provider side keys, |keymgmt| is expected to be non-NULL. In this | |
1471 | * case, the setup consists of setting the |keymgmt| field in |pkey|. | |
1472 | * | |
1473 | * If pkey is NULL just return 1 or 0 if the key management method exists. | |
1474 | */ | |
1475 | ||
1476 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, | |
1477 | int len, EVP_KEYMGMT *keymgmt) | |
1478 | { | |
f844f9eb | 1479 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1480 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; |
1481 | ENGINE **eptr = (e == NULL) ? &e : NULL; | |
1482 | #endif | |
1483 | ||
1484 | /* | |
1485 | * The setups can't set both legacy and provider side methods. | |
1486 | * It is forbidden | |
1487 | */ | |
1488 | if (!ossl_assert(type == EVP_PKEY_NONE || keymgmt == NULL) | |
1489 | || !ossl_assert(e == NULL || keymgmt == NULL)) { | |
1490 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | if (pkey != NULL) { | |
1495 | int free_it = 0; | |
1496 | ||
f844f9eb | 1497 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1498 | free_it = free_it || pkey->pkey.ptr != NULL; |
1499 | #endif | |
1500 | free_it = free_it || pkey->keydata != NULL; | |
1501 | if (free_it) | |
1502 | evp_pkey_free_it(pkey); | |
f844f9eb | 1503 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1504 | /* |
1505 | * If key type matches and a method exists then this lookup has | |
1506 | * succeeded once so just indicate success. | |
1507 | */ | |
1508 | if (pkey->type != EVP_PKEY_NONE | |
1509 | && type == pkey->save_type | |
1510 | && pkey->ameth != NULL) | |
1511 | return 1; | |
1512 | # ifndef OPENSSL_NO_ENGINE | |
1513 | /* If we have ENGINEs release them */ | |
1514 | ENGINE_finish(pkey->engine); | |
1515 | pkey->engine = NULL; | |
1516 | ENGINE_finish(pkey->pmeth_engine); | |
1517 | pkey->pmeth_engine = NULL; | |
1518 | # endif | |
1519 | #endif | |
1520 | } | |
f844f9eb | 1521 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1522 | if (str != NULL) |
1523 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); | |
1524 | else if (type != EVP_PKEY_NONE) | |
1525 | ameth = EVP_PKEY_asn1_find(eptr, type); | |
1526 | # ifndef OPENSSL_NO_ENGINE | |
1527 | if (pkey == NULL && eptr != NULL) | |
1528 | ENGINE_finish(e); | |
1529 | # endif | |
1530 | #endif | |
1531 | ||
1532 | ||
1533 | { | |
1534 | int check = 1; | |
1535 | ||
f844f9eb | 1536 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1537 | check = check && ameth == NULL; |
1538 | #endif | |
1539 | check = check && keymgmt == NULL; | |
1540 | if (check) { | |
9311d0c4 | 1541 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
8243d8d1 RL |
1542 | return 0; |
1543 | } | |
1544 | } | |
1545 | if (pkey != NULL) { | |
1546 | if (keymgmt != NULL && !EVP_KEYMGMT_up_ref(keymgmt)) { | |
1547 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1548 | return 0; | |
1549 | } | |
1550 | ||
1551 | pkey->keymgmt = keymgmt; | |
1552 | ||
1553 | pkey->save_type = type; | |
1554 | pkey->type = type; | |
1555 | ||
f844f9eb | 1556 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1557 | /* |
1558 | * If the internal "origin" key is provider side, don't save |ameth|. | |
1559 | * The main reason is that |ameth| is one factor to detect that the | |
1560 | * internal "origin" key is a legacy one. | |
1561 | */ | |
1562 | if (keymgmt == NULL) | |
1563 | pkey->ameth = ameth; | |
8243d8d1 RL |
1564 | |
1565 | /* | |
5e5bc836 RL |
1566 | * The EVP_PKEY_ASN1_METHOD |pkey_id| retains its legacy key purpose |
1567 | * for any key type that has a legacy implementation, regardless of | |
1568 | * if the internal key is a legacy or a provider side one. When | |
1569 | * there is no legacy implementation for the key, the type becomes | |
1570 | * EVP_PKEY_KEYMGMT, which indicates that one should be cautious | |
1571 | * with functions that expect legacy internal keys. | |
8243d8d1 | 1572 | */ |
28fd8953 MC |
1573 | if (ameth != NULL) { |
1574 | if (type == EVP_PKEY_NONE) | |
1575 | pkey->type = ameth->pkey_id; | |
1576 | } else { | |
5e5bc836 | 1577 | pkey->type = EVP_PKEY_KEYMGMT; |
28fd8953 | 1578 | } |
f7d6868d MC |
1579 | # ifndef OPENSSL_NO_ENGINE |
1580 | if (eptr == NULL && e != NULL && !ENGINE_init(e)) { | |
1581 | ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR); | |
1582 | return 0; | |
1583 | } | |
1584 | # endif | |
1585 | pkey->engine = e; | |
8243d8d1 RL |
1586 | #endif |
1587 | } | |
1588 | return 1; | |
1589 | } | |
1590 | ||
f844f9eb | 1591 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1592 | static void find_ameth(const char *name, void *data) |
1593 | { | |
1594 | const char **str = data; | |
1595 | ||
1596 | /* | |
1597 | * The error messages from pkey_set_type() are uninteresting here, | |
1598 | * and misleading. | |
1599 | */ | |
1600 | ERR_set_mark(); | |
1601 | ||
1602 | if (pkey_set_type(NULL, NULL, EVP_PKEY_NONE, name, strlen(name), | |
1603 | NULL)) { | |
1604 | if (str[0] == NULL) | |
1605 | str[0] = name; | |
1606 | else if (str[1] == NULL) | |
1607 | str[1] = name; | |
1608 | } | |
1609 | ||
1610 | ERR_pop_to_mark(); | |
1611 | } | |
1612 | #endif | |
1613 | ||
1614 | int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt) | |
1615 | { | |
f844f9eb | 1616 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1617 | # define EVP_PKEY_TYPE_STR str[0] |
1618 | # define EVP_PKEY_TYPE_STRLEN (str[0] == NULL ? -1 : (int)strlen(str[0])) | |
1619 | /* | |
1620 | * Find at most two strings that have an associated EVP_PKEY_ASN1_METHOD | |
1621 | * Ideally, only one should be found. If two (or more) are found, the | |
1622 | * match is ambiguous. This should never happen, but... | |
1623 | */ | |
1624 | const char *str[2] = { NULL, NULL }; | |
1625 | ||
d84f5515 MC |
1626 | if (!EVP_KEYMGMT_names_do_all(keymgmt, find_ameth, &str) |
1627 | || str[1] != NULL) { | |
8243d8d1 RL |
1628 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); |
1629 | return 0; | |
1630 | } | |
1631 | #else | |
1632 | # define EVP_PKEY_TYPE_STR NULL | |
1633 | # define EVP_PKEY_TYPE_STRLEN -1 | |
1634 | #endif | |
1635 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, | |
1636 | EVP_PKEY_TYPE_STR, EVP_PKEY_TYPE_STRLEN, | |
1637 | keymgmt); | |
1638 | ||
1639 | #undef EVP_PKEY_TYPE_STR | |
1640 | #undef EVP_PKEY_TYPE_STRLEN | |
1641 | } | |
1642 | ||
e683582b SL |
1643 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
1644 | { | |
1645 | int i; | |
1646 | ||
1647 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
1648 | return 0; | |
1649 | ||
1650 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
1651 | REF_ASSERT_ISNT(i < 2); | |
1652 | return ((i > 1) ? 1 : 0); | |
1653 | } | |
1654 | ||
f844f9eb | 1655 | #ifndef FIPS_MODULE |
2145ba5e TM |
1656 | EVP_PKEY *EVP_PKEY_dup(EVP_PKEY *pkey) |
1657 | { | |
1658 | EVP_PKEY *dup_pk; | |
1659 | ||
1660 | if (pkey == NULL) { | |
1661 | ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_NULL_PARAMETER); | |
1662 | return NULL; | |
1663 | } | |
1664 | ||
1665 | if ((dup_pk = EVP_PKEY_new()) == NULL) | |
1666 | return NULL; | |
1667 | ||
1668 | if (evp_pkey_is_blank(pkey)) | |
1669 | goto done; | |
1670 | ||
1671 | if (evp_pkey_is_provided(pkey)) { | |
1672 | if (!evp_keymgmt_util_copy(dup_pk, pkey, | |
1673 | OSSL_KEYMGMT_SELECT_ALL)) | |
1674 | goto err; | |
1675 | goto done; | |
1676 | } | |
1677 | ||
1678 | if (evp_pkey_is_legacy(pkey)) { | |
1679 | const EVP_PKEY_ASN1_METHOD *ameth = pkey->ameth; | |
1680 | ||
1681 | if (ameth == NULL || ameth->copy == NULL) { | |
1682 | if (pkey->pkey.ptr == NULL /* empty key, just set type */ | |
1683 | && EVP_PKEY_set_type(dup_pk, pkey->type) != 0) | |
1684 | goto done; | |
1685 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_KEY_TYPE); | |
1686 | goto err; | |
1687 | } | |
1688 | if (!ameth->copy(dup_pk, pkey)) | |
1689 | goto err; | |
1690 | goto done; | |
1691 | } | |
1692 | ||
1693 | goto err; | |
1694 | done: | |
1695 | /* copy auxiliary data */ | |
1696 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, | |
1697 | &dup_pk->ex_data, &pkey->ex_data)) | |
1698 | goto err; | |
1699 | ||
1700 | if (pkey->attributes != NULL) { | |
1701 | if ((dup_pk->attributes = ossl_x509at_dup(pkey->attributes)) == NULL) | |
1702 | goto err; | |
1703 | } | |
1704 | return dup_pk; | |
1705 | err: | |
1706 | EVP_PKEY_free(dup_pk); | |
1707 | return NULL; | |
1708 | } | |
1709 | ||
62924755 | 1710 | void evp_pkey_free_legacy(EVP_PKEY *x) |
badf51c8 | 1711 | { |
b574c6a9 MC |
1712 | const EVP_PKEY_ASN1_METHOD *ameth = x->ameth; |
1713 | ENGINE *tmpe = NULL; | |
1714 | ||
1715 | if (ameth == NULL && x->legacy_cache_pkey.ptr != NULL) | |
1716 | ameth = EVP_PKEY_asn1_find(&tmpe, x->type); | |
1717 | ||
1718 | if (ameth != NULL) { | |
1719 | if (x->legacy_cache_pkey.ptr != NULL) { | |
1720 | /* | |
1721 | * We should never have both a legacy origin key, and a key in the | |
1722 | * legacy cache. | |
1723 | */ | |
1724 | assert(x->pkey.ptr == NULL); | |
1725 | /* | |
1726 | * For the purposes of freeing we make the legacy cache look like | |
1727 | * a legacy origin key. | |
1728 | */ | |
1729 | x->pkey = x->legacy_cache_pkey; | |
1730 | x->legacy_cache_pkey.ptr = NULL; | |
1731 | } | |
1732 | if (ameth->pkey_free != NULL) | |
1733 | ameth->pkey_free(x); | |
badf51c8 | 1734 | x->pkey.ptr = NULL; |
badf51c8 RL |
1735 | } |
1736 | # ifndef OPENSSL_NO_ENGINE | |
b574c6a9 | 1737 | ENGINE_finish(tmpe); |
badf51c8 RL |
1738 | ENGINE_finish(x->engine); |
1739 | x->engine = NULL; | |
1740 | ENGINE_finish(x->pmeth_engine); | |
1741 | x->pmeth_engine = NULL; | |
1742 | # endif | |
badf51c8 | 1743 | } |
f844f9eb | 1744 | #endif /* FIPS_MODULE */ |
badf51c8 | 1745 | |
e683582b SL |
1746 | static void evp_pkey_free_it(EVP_PKEY *x) |
1747 | { | |
1748 | /* internal function; x is never NULL */ | |
0b07db6f | 1749 | evp_keymgmt_util_clear_operation_cache(x, 1); |
f844f9eb | 1750 | #ifndef FIPS_MODULE |
badf51c8 RL |
1751 | evp_pkey_free_legacy(x); |
1752 | #endif | |
e683582b | 1753 | |
3c6ed955 RL |
1754 | if (x->keymgmt != NULL) { |
1755 | evp_keymgmt_freedata(x->keymgmt, x->keydata); | |
1756 | EVP_KEYMGMT_free(x->keymgmt); | |
1757 | x->keymgmt = NULL; | |
1758 | x->keydata = NULL; | |
1759 | } | |
5e5bc836 | 1760 | x->type = EVP_PKEY_NONE; |
e683582b SL |
1761 | } |
1762 | ||
1763 | void EVP_PKEY_free(EVP_PKEY *x) | |
1764 | { | |
1765 | int i; | |
1766 | ||
1767 | if (x == NULL) | |
1768 | return; | |
1769 | ||
1770 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
1771 | REF_PRINT_COUNT("EVP_PKEY", x); | |
1772 | if (i > 0) | |
1773 | return; | |
1774 | REF_ASSERT_ISNT(i < 0); | |
1775 | evp_pkey_free_it(x); | |
f844f9eb | 1776 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1777 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, x, &x->ex_data); |
1778 | #endif | |
e683582b | 1779 | CRYPTO_THREAD_lock_free(x->lock); |
f844f9eb | 1780 | #ifndef FIPS_MODULE |
e683582b SL |
1781 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
1782 | #endif | |
1783 | OPENSSL_free(x); | |
1784 | } | |
1785 | ||
ed576acd | 1786 | int EVP_PKEY_get_size(const EVP_PKEY *pkey) |
e683582b | 1787 | { |
adc9f731 RL |
1788 | int size = 0; |
1789 | ||
6508e858 | 1790 | if (pkey != NULL) { |
adc9f731 | 1791 | size = pkey->cache.size; |
f844f9eb | 1792 | #ifndef FIPS_MODULE |
adc9f731 RL |
1793 | if (pkey->ameth != NULL && pkey->ameth->pkey_size != NULL) |
1794 | size = pkey->ameth->pkey_size(pkey); | |
1795 | #endif | |
6508e858 | 1796 | } |
030da844 | 1797 | return size < 0 ? 0 : size; |
e683582b | 1798 | } |
f6aa5774 | 1799 | |
ed576acd | 1800 | const char *EVP_PKEY_get0_description(const EVP_PKEY *pkey) |
03888233 RL |
1801 | { |
1802 | if (!evp_pkey_is_assigned(pkey)) | |
1803 | return NULL; | |
1804 | ||
1805 | if (evp_pkey_is_provided(pkey) && pkey->keymgmt->description != NULL) | |
1806 | return pkey->keymgmt->description; | |
1807 | #ifndef FIPS_MODULE | |
1808 | if (pkey->ameth != NULL) | |
1809 | return pkey->ameth->info; | |
1810 | #endif | |
1811 | return NULL; | |
1812 | } | |
1813 | ||
b4250010 | 1814 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
1815 | EVP_KEYMGMT **keymgmt, |
1816 | const char *propquery) | |
f6aa5774 RL |
1817 | { |
1818 | EVP_KEYMGMT *allocated_keymgmt = NULL; | |
1819 | EVP_KEYMGMT *tmp_keymgmt = NULL; | |
b305452f | 1820 | void *keydata = NULL; |
adc9f731 | 1821 | int check; |
f6aa5774 RL |
1822 | |
1823 | if (pk == NULL) | |
1824 | return NULL; | |
1825 | ||
adc9f731 RL |
1826 | /* No key data => nothing to export */ |
1827 | check = 1; | |
f844f9eb | 1828 | #ifndef FIPS_MODULE |
adc9f731 RL |
1829 | check = check && pk->pkey.ptr == NULL; |
1830 | #endif | |
1831 | check = check && pk->keydata == NULL; | |
1832 | if (check) | |
1833 | return NULL; | |
1834 | ||
f844f9eb | 1835 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1836 | if (pk->pkey.ptr != NULL) { |
3f7ce7f1 | 1837 | /* |
3c6ed955 RL |
1838 | * If the legacy key doesn't have an dirty counter or export function, |
1839 | * give up | |
3f7ce7f1 | 1840 | */ |
3c6ed955 RL |
1841 | if (pk->ameth->dirty_cnt == NULL || pk->ameth->export_to == NULL) |
1842 | return NULL; | |
3f7ce7f1 RL |
1843 | } |
1844 | #endif | |
1845 | ||
3c6ed955 RL |
1846 | if (keymgmt != NULL) { |
1847 | tmp_keymgmt = *keymgmt; | |
1848 | *keymgmt = NULL; | |
1849 | } | |
1850 | ||
4b9e90f4 RL |
1851 | /* |
1852 | * If no keymgmt was given or found, get a default keymgmt. We do so by | |
1853 | * letting EVP_PKEY_CTX_new_from_pkey() do it for us, then we steal it. | |
1854 | */ | |
f6aa5774 | 1855 | if (tmp_keymgmt == NULL) { |
2ee4a50a | 1856 | EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); |
f6aa5774 | 1857 | |
9dddcd90 | 1858 | if (ctx == NULL) |
1859 | goto end; | |
115eb945 | 1860 | allocated_keymgmt = tmp_keymgmt = ctx->keymgmt; |
4b9e90f4 | 1861 | ctx->keymgmt = NULL; |
f6aa5774 RL |
1862 | EVP_PKEY_CTX_free(ctx); |
1863 | } | |
1864 | ||
3c6ed955 | 1865 | /* If there's still no keymgmt to be had, give up */ |
3f7ce7f1 RL |
1866 | if (tmp_keymgmt == NULL) |
1867 | goto end; | |
f6aa5774 | 1868 | |
f844f9eb | 1869 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1870 | if (pk->pkey.ptr != NULL) { |
64954e2f | 1871 | OP_CACHE_ELEM *op; |
3f7ce7f1 RL |
1872 | |
1873 | /* | |
3c6ed955 RL |
1874 | * If the legacy "origin" hasn't changed since last time, we try |
1875 | * to find our keymgmt in the operation cache. If it has changed, | |
1876 | * |i| remains zero, and we will clear the cache further down. | |
3f7ce7f1 | 1877 | */ |
3c6ed955 | 1878 | if (pk->ameth->dirty_cnt(pk) == pk->dirty_cnt_copy) { |
0b07db6f MC |
1879 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
1880 | goto end; | |
64954e2f | 1881 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); |
3c6ed955 RL |
1882 | |
1883 | /* | |
1884 | * If |tmp_keymgmt| is present in the operation cache, it means | |
1885 | * that export doesn't need to be redone. In that case, we take | |
1886 | * token copies of the cached pointers, to have token success | |
1887 | * values to return. | |
1888 | */ | |
64954e2f P |
1889 | if (op != NULL && op->keymgmt != NULL) { |
1890 | keydata = op->keydata; | |
0b07db6f | 1891 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1892 | goto end; |
1893 | } | |
0b07db6f | 1894 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1895 | } |
1896 | ||
3f7ce7f1 | 1897 | /* Make sure that the keymgmt key type matches the legacy NID */ |
0fc39c90 | 1898 | if (!EVP_KEYMGMT_is_a(tmp_keymgmt, OBJ_nid2sn(pk->type))) |
3f7ce7f1 RL |
1899 | goto end; |
1900 | ||
1901 | if ((keydata = evp_keymgmt_newdata(tmp_keymgmt)) == NULL) | |
1902 | goto end; | |
1903 | ||
bed7437b RL |
1904 | if (!pk->ameth->export_to(pk, keydata, tmp_keymgmt->import, |
1905 | libctx, propquery)) { | |
3f7ce7f1 RL |
1906 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1907 | keydata = NULL; | |
1908 | goto end; | |
1909 | } | |
1910 | ||
3c6ed955 RL |
1911 | /* |
1912 | * If the dirty counter changed since last time, then clear the | |
1913 | * operation cache. In that case, we know that |i| is zero. Just | |
1914 | * in case this is a re-export, we increment then decrement the | |
1915 | * keymgmt reference counter. | |
1916 | */ | |
1917 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { /* refcnt++ */ | |
1918 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1919 | keydata = NULL; | |
1920 | goto end; | |
1921 | } | |
0b07db6f MC |
1922 | |
1923 | if (!CRYPTO_THREAD_write_lock(pk->lock)) | |
1924 | goto end; | |
1925 | if (pk->ameth->dirty_cnt(pk) != pk->dirty_cnt_copy | |
1926 | && !evp_keymgmt_util_clear_operation_cache(pk, 0)) { | |
1927 | CRYPTO_THREAD_unlock(pk->lock); | |
1928 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1929 | keydata = NULL; | |
1930 | EVP_KEYMGMT_free(tmp_keymgmt); | |
1931 | goto end; | |
1932 | } | |
3c6ed955 RL |
1933 | EVP_KEYMGMT_free(tmp_keymgmt); /* refcnt-- */ |
1934 | ||
64954e2f P |
1935 | /* Check to make sure some other thread didn't get there first */ |
1936 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); | |
1937 | if (op != NULL && op->keymgmt != NULL) { | |
1938 | void *tmp_keydata = op->keydata; | |
1939 | ||
1940 | CRYPTO_THREAD_unlock(pk->lock); | |
1941 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1942 | keydata = tmp_keydata; | |
1943 | goto end; | |
1944 | } | |
1945 | ||
3c6ed955 | 1946 | /* Add the new export to the operation cache */ |
64954e2f | 1947 | if (!evp_keymgmt_util_cache_keydata(pk, tmp_keymgmt, keydata)) { |
0b07db6f | 1948 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1949 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1950 | keydata = NULL; | |
1951 | goto end; | |
1952 | } | |
3f7ce7f1 RL |
1953 | |
1954 | /* Synchronize the dirty count */ | |
1955 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
4a9fe33c | 1956 | |
0b07db6f | 1957 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1958 | goto end; |
1959 | } | |
f844f9eb | 1960 | #endif /* FIPS_MODULE */ |
3f7ce7f1 RL |
1961 | |
1962 | keydata = evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt); | |
1963 | ||
1964 | end: | |
f6aa5774 RL |
1965 | /* |
1966 | * If nothing was exported, |tmp_keymgmt| might point at a freed | |
1967 | * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for | |
1968 | * the caller either way in that case. | |
1969 | */ | |
b305452f | 1970 | if (keydata == NULL) |
f6aa5774 RL |
1971 | tmp_keymgmt = NULL; |
1972 | ||
115eb945 | 1973 | if (keymgmt != NULL && tmp_keymgmt != NULL) { |
f6aa5774 | 1974 | *keymgmt = tmp_keymgmt; |
115eb945 K |
1975 | allocated_keymgmt = NULL; |
1976 | } | |
f6aa5774 RL |
1977 | |
1978 | EVP_KEYMGMT_free(allocated_keymgmt); | |
b305452f | 1979 | return keydata; |
f6aa5774 | 1980 | } |
badf51c8 | 1981 | |
f844f9eb | 1982 | #ifndef FIPS_MODULE |
4ce1025a | 1983 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src) |
badf51c8 | 1984 | { |
ae4d9573 MC |
1985 | EVP_PKEY *allocpkey = NULL; |
1986 | ||
4ce1025a RL |
1987 | if (!ossl_assert(dest != NULL)) |
1988 | return 0; | |
badf51c8 | 1989 | |
4ce1025a RL |
1990 | if (evp_pkey_is_assigned(src) && evp_pkey_is_provided(src)) { |
1991 | EVP_KEYMGMT *keymgmt = src->keymgmt; | |
1992 | void *keydata = src->keydata; | |
1993 | int type = src->type; | |
1994 | const char *keytype = NULL; | |
acb90ba8 | 1995 | |
ed576acd | 1996 | keytype = EVP_KEYMGMT_get0_name(keymgmt); |
badf51c8 | 1997 | |
4ce1025a RL |
1998 | /* |
1999 | * If the type is EVP_PKEY_NONE, then we have a problem somewhere | |
2000 | * else in our code. If it's not one of the well known EVP_PKEY_xxx | |
2001 | * values, it should at least be EVP_PKEY_KEYMGMT at this point. | |
37cddb2e | 2002 | * The check is kept as a safety measure. |
4ce1025a RL |
2003 | */ |
2004 | if (!ossl_assert(type != EVP_PKEY_NONE)) { | |
2005 | ERR_raise_data(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR, | |
2006 | "keymgmt key type = %s but legacy type = EVP_PKEY_NONE", | |
2007 | keytype); | |
2008 | return 0; | |
2009 | } | |
badf51c8 | 2010 | |
4ce1025a RL |
2011 | /* Prefer the legacy key type name for error reporting */ |
2012 | if (type != EVP_PKEY_KEYMGMT) | |
2013 | keytype = OBJ_nid2sn(type); | |
5e5bc836 | 2014 | |
4ce1025a | 2015 | /* Make sure we have a clean slate to copy into */ |
ec961f86 | 2016 | if (*dest == NULL) { |
ae4d9573 | 2017 | allocpkey = *dest = EVP_PKEY_new(); |
ec961f86 MC |
2018 | if (*dest == NULL) { |
2019 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
2020 | return 0; | |
2021 | } | |
2022 | } else { | |
4ce1025a | 2023 | evp_pkey_free_it(*dest); |
ec961f86 | 2024 | } |
badf51c8 | 2025 | |
4ce1025a RL |
2026 | if (EVP_PKEY_set_type(*dest, type)) { |
2027 | /* If the key is typed but empty, we're done */ | |
2028 | if (keydata == NULL) | |
2029 | return 1; | |
629c72db | 2030 | |
4ce1025a RL |
2031 | if ((*dest)->ameth->import_from == NULL) { |
2032 | ERR_raise_data(ERR_LIB_EVP, EVP_R_NO_IMPORT_FUNCTION, | |
2033 | "key type = %s", keytype); | |
2034 | } else { | |
629c72db | 2035 | /* |
4ce1025a RL |
2036 | * We perform the export in the same libctx as the keymgmt |
2037 | * that we are using. | |
629c72db | 2038 | */ |
b4250010 | 2039 | OSSL_LIB_CTX *libctx = |
a829b735 | 2040 | ossl_provider_libctx(keymgmt->prov); |
4ce1025a RL |
2041 | EVP_PKEY_CTX *pctx = |
2042 | EVP_PKEY_CTX_new_from_pkey(libctx, *dest, NULL); | |
629c72db | 2043 | |
4ce1025a RL |
2044 | if (pctx == NULL) |
2045 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
629c72db | 2046 | |
4ce1025a RL |
2047 | if (pctx != NULL |
2048 | && evp_keymgmt_export(keymgmt, keydata, | |
2049 | OSSL_KEYMGMT_SELECT_ALL, | |
2050 | (*dest)->ameth->import_from, | |
2051 | pctx)) { | |
2052 | /* Synchronize the dirty count */ | |
2053 | (*dest)->dirty_cnt_copy = (*dest)->ameth->dirty_cnt(*dest); | |
2054 | ||
2055 | EVP_PKEY_CTX_free(pctx); | |
2056 | return 1; | |
2057 | } | |
2058 | EVP_PKEY_CTX_free(pctx); | |
629c72db | 2059 | } |
badf51c8 | 2060 | |
4ce1025a RL |
2061 | ERR_raise_data(ERR_LIB_EVP, EVP_R_KEYMGMT_EXPORT_FAILURE, |
2062 | "key type = %s", keytype); | |
2063 | } | |
badf51c8 RL |
2064 | } |
2065 | ||
ae4d9573 MC |
2066 | if (allocpkey != NULL) { |
2067 | EVP_PKEY_free(allocpkey); | |
2068 | *dest = NULL; | |
2069 | } | |
4ce1025a RL |
2070 | return 0; |
2071 | } | |
2072 | ||
b574c6a9 | 2073 | void *evp_pkey_get_legacy(EVP_PKEY *pk) |
4ce1025a | 2074 | { |
b574c6a9 MC |
2075 | EVP_PKEY *tmp_copy = NULL; |
2076 | void *ret = NULL; | |
a8154452 RL |
2077 | |
2078 | if (!ossl_assert(pk != NULL)) | |
b574c6a9 | 2079 | return NULL; |
a8154452 RL |
2080 | |
2081 | /* | |
b574c6a9 MC |
2082 | * If this isn't an assigned provider side key, we just use any existing |
2083 | * origin legacy key. | |
a8154452 | 2084 | */ |
b574c6a9 MC |
2085 | if (!evp_pkey_is_assigned(pk)) |
2086 | return NULL; | |
2087 | if (!evp_pkey_is_provided(pk)) | |
2088 | return pk->pkey.ptr; | |
4ce1025a | 2089 | |
b574c6a9 MC |
2090 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
2091 | return NULL; | |
4ce1025a | 2092 | |
b574c6a9 | 2093 | ret = pk->legacy_cache_pkey.ptr; |
4ce1025a | 2094 | |
b574c6a9 MC |
2095 | if (!CRYPTO_THREAD_unlock(pk->lock)) |
2096 | return NULL; | |
a8154452 | 2097 | |
b574c6a9 MC |
2098 | if (ret != NULL) |
2099 | return ret; | |
4ce1025a | 2100 | |
b574c6a9 | 2101 | if (!evp_pkey_copy_downgraded(&tmp_copy, pk)) |
d8732803 | 2102 | goto err; |
4ce1025a | 2103 | |
b574c6a9 MC |
2104 | if (!CRYPTO_THREAD_write_lock(pk->lock)) |
2105 | goto err; | |
4ce1025a | 2106 | |
b574c6a9 MC |
2107 | /* Check again in case some other thread has updated it in the meantime */ |
2108 | ret = pk->legacy_cache_pkey.ptr; | |
2109 | if (ret == NULL) { | |
2110 | /* Steal the legacy key reference from the temporary copy */ | |
2111 | ret = pk->legacy_cache_pkey.ptr = tmp_copy->pkey.ptr; | |
2112 | tmp_copy->pkey.ptr = NULL; | |
2113 | } | |
4ce1025a | 2114 | |
b574c6a9 MC |
2115 | if (!CRYPTO_THREAD_unlock(pk->lock)) { |
2116 | ret = NULL; | |
2117 | goto err; | |
acb90ba8 | 2118 | } |
4ce1025a | 2119 | |
b574c6a9 MC |
2120 | err: |
2121 | EVP_PKEY_free(tmp_copy); | |
2122 | ||
2123 | return ret; | |
badf51c8 | 2124 | } |
f844f9eb | 2125 | #endif /* FIPS_MODULE */ |
96ebe52e | 2126 | |
a73a1892 RL |
2127 | int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name, |
2128 | BIGNUM **bn) | |
96ebe52e SL |
2129 | { |
2130 | int ret = 0; | |
2131 | OSSL_PARAM params[2]; | |
2132 | unsigned char buffer[2048]; | |
96ebe52e SL |
2133 | unsigned char *buf = NULL; |
2134 | size_t buf_sz = 0; | |
2135 | ||
d82c7f3d | 2136 | if (key_name == NULL |
6084b5c2 | 2137 | || bn == NULL) |
96ebe52e SL |
2138 | return 0; |
2139 | ||
2140 | memset(buffer, 0, sizeof(buffer)); | |
2141 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer)); | |
96ebe52e | 2142 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2143 | if (!EVP_PKEY_get_params(pkey, params)) { |
99ea4f02 | 2144 | if (!OSSL_PARAM_modified(params) || params[0].return_size == 0) |
96ebe52e SL |
2145 | return 0; |
2146 | buf_sz = params[0].return_size; | |
2147 | /* | |
2148 | * If it failed because the buffer was too small then allocate the | |
2149 | * required buffer size and retry. | |
2150 | */ | |
2151 | buf = OPENSSL_zalloc(buf_sz); | |
2152 | if (buf == NULL) | |
2153 | return 0; | |
2154 | params[0].data = buf; | |
2155 | params[0].data_size = buf_sz; | |
2156 | ||
13e85fb3 | 2157 | if (!EVP_PKEY_get_params(pkey, params)) |
96ebe52e SL |
2158 | goto err; |
2159 | } | |
2160 | /* Fail if the param was not found */ | |
99ea4f02 | 2161 | if (!OSSL_PARAM_modified(params)) |
96ebe52e SL |
2162 | goto err; |
2163 | ret = OSSL_PARAM_get_BN(params, bn); | |
2164 | err: | |
2165 | OPENSSL_free(buf); | |
2166 | return ret; | |
2167 | } | |
2168 | ||
a73a1892 | 2169 | int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e | 2170 | unsigned char *buf, size_t max_buf_sz, |
4e92d5c7 | 2171 | size_t *out_len) |
96ebe52e SL |
2172 | { |
2173 | OSSL_PARAM params[2]; | |
76624df1 | 2174 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2175 | |
6084b5c2 | 2176 | if (key_name == NULL) |
96ebe52e SL |
2177 | return 0; |
2178 | ||
2179 | params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz); | |
96ebe52e | 2180 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2181 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2182 | ret2 = OSSL_PARAM_modified(params); | |
4e92d5c7 RL |
2183 | if (ret2 && out_len != NULL) |
2184 | *out_len = params[0].return_size; | |
76624df1 | 2185 | return ret1 && ret2; |
96ebe52e SL |
2186 | } |
2187 | ||
a73a1892 | 2188 | int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e | 2189 | char *str, size_t max_buf_sz, |
4e92d5c7 | 2190 | size_t *out_len) |
96ebe52e SL |
2191 | { |
2192 | OSSL_PARAM params[2]; | |
76624df1 | 2193 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2194 | |
d82c7f3d | 2195 | if (key_name == NULL) |
96ebe52e SL |
2196 | return 0; |
2197 | ||
2198 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz); | |
96ebe52e | 2199 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2200 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2201 | ret2 = OSSL_PARAM_modified(params); | |
4e92d5c7 RL |
2202 | if (ret2 && out_len != NULL) |
2203 | *out_len = params[0].return_size; | |
2204 | ||
2205 | if (ret2 && params[0].return_size == max_buf_sz) | |
2206 | /* There was no space for a NUL byte */ | |
2207 | return 0; | |
2208 | /* Add a terminating NUL byte for good measure */ | |
2209 | if (ret2 && str != NULL) | |
2210 | str[params[0].return_size] = '\0'; | |
2211 | ||
76624df1 | 2212 | return ret1 && ret2; |
96ebe52e SL |
2213 | } |
2214 | ||
a73a1892 RL |
2215 | int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name, |
2216 | int *out) | |
96ebe52e SL |
2217 | { |
2218 | OSSL_PARAM params[2]; | |
96ebe52e | 2219 | |
d82c7f3d | 2220 | if (key_name == NULL) |
96ebe52e SL |
2221 | return 0; |
2222 | ||
2223 | params[0] = OSSL_PARAM_construct_int(key_name, out); | |
96ebe52e | 2224 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2225 | return EVP_PKEY_get_params(pkey, params) |
2226 | && OSSL_PARAM_modified(params); | |
96ebe52e SL |
2227 | } |
2228 | ||
a73a1892 RL |
2229 | int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name, |
2230 | size_t *out) | |
96ebe52e SL |
2231 | { |
2232 | OSSL_PARAM params[2]; | |
96ebe52e | 2233 | |
d82c7f3d | 2234 | if (key_name == NULL) |
96ebe52e SL |
2235 | return 0; |
2236 | ||
2237 | params[0] = OSSL_PARAM_construct_size_t(key_name, out); | |
96ebe52e | 2238 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2239 | return EVP_PKEY_get_params(pkey, params) |
2240 | && OSSL_PARAM_modified(params); | |
96ebe52e | 2241 | } |
98dbf2c1 SL |
2242 | |
2243 | int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in) | |
2244 | { | |
2245 | OSSL_PARAM params[2]; | |
2246 | ||
d82c7f3d | 2247 | if (key_name == NULL) |
98dbf2c1 SL |
2248 | return 0; |
2249 | ||
2250 | params[0] = OSSL_PARAM_construct_int(key_name, &in); | |
2251 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2252 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2253 | } |
2254 | ||
2255 | int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in) | |
2256 | { | |
2257 | OSSL_PARAM params[2]; | |
2258 | ||
d82c7f3d | 2259 | if (key_name == NULL) |
98dbf2c1 SL |
2260 | return 0; |
2261 | ||
2262 | params[0] = OSSL_PARAM_construct_size_t(key_name, &in); | |
2263 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2264 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2265 | } |
2266 | ||
13e85fb3 RL |
2267 | int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, |
2268 | const BIGNUM *bn) | |
98dbf2c1 SL |
2269 | { |
2270 | OSSL_PARAM params[2]; | |
2271 | unsigned char buffer[2048]; | |
2272 | int bsize = 0; | |
2273 | ||
d82c7f3d RL |
2274 | if (key_name == NULL |
2275 | || bn == NULL | |
2276 | || pkey == NULL | |
6fcd92d3 | 2277 | || !evp_pkey_is_assigned(pkey)) |
98dbf2c1 SL |
2278 | return 0; |
2279 | ||
2280 | bsize = BN_num_bytes(bn); | |
2281 | if (!ossl_assert(bsize <= (int)sizeof(buffer))) | |
2282 | return 0; | |
2283 | ||
2284 | if (BN_bn2nativepad(bn, buffer, bsize) < 0) | |
2285 | return 0; | |
2286 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, bsize); | |
2287 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2288 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2289 | } |
2290 | ||
2291 | int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2292 | const char *str) |
98dbf2c1 SL |
2293 | { |
2294 | OSSL_PARAM params[2]; | |
2295 | ||
d82c7f3d | 2296 | if (key_name == NULL) |
98dbf2c1 SL |
2297 | return 0; |
2298 | ||
13e85fb3 | 2299 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, (char *)str, 0); |
98dbf2c1 | 2300 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2301 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2302 | } |
2303 | ||
2304 | int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2305 | const unsigned char *buf, size_t bsize) |
98dbf2c1 SL |
2306 | { |
2307 | OSSL_PARAM params[2]; | |
2308 | ||
d82c7f3d | 2309 | if (key_name == NULL) |
98dbf2c1 SL |
2310 | return 0; |
2311 | ||
13e85fb3 RL |
2312 | params[0] = OSSL_PARAM_construct_octet_string(key_name, |
2313 | (unsigned char *)buf, bsize); | |
98dbf2c1 | 2314 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2315 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2316 | } |
2317 | ||
d82c7f3d | 2318 | const OSSL_PARAM *EVP_PKEY_settable_params(const EVP_PKEY *pkey) |
98dbf2c1 | 2319 | { |
d82c7f3d RL |
2320 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2321 | ? EVP_KEYMGMT_settable_params(pkey->keymgmt) | |
2322 | : NULL; | |
98dbf2c1 SL |
2323 | } |
2324 | ||
2325 | int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2326 | { | |
6fcd92d3 RL |
2327 | if (pkey != NULL) { |
2328 | if (evp_pkey_is_provided(pkey)) { | |
2329 | pkey->dirty_cnt++; | |
2330 | return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params); | |
2331 | } | |
2332 | #ifndef FIPS_MODULE | |
2333 | /* | |
6fcd92d3 RL |
2334 | * We will hopefully never find the need to set individual data in |
2335 | * EVP_PKEYs with a legacy internal key, but we can't be entirely | |
2336 | * sure. This bit of code can be enabled if we find the need. If | |
2337 | * not, it can safely be removed when #legacy support is removed. | |
2338 | */ | |
2339 | # if 0 | |
2340 | else if (evp_pkey_is_legacy(pkey)) { | |
2341 | return evp_pkey_set_params_to_ctrl(pkey, params); | |
2342 | } | |
2343 | # endif | |
2344 | #endif | |
2345 | } | |
2346 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2347 | return 0; | |
98dbf2c1 | 2348 | } |
3d34bedf | 2349 | |
13e85fb3 RL |
2350 | const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey) |
2351 | { | |
d82c7f3d RL |
2352 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2353 | ? EVP_KEYMGMT_gettable_params(pkey->keymgmt) | |
2354 | : NULL; | |
13e85fb3 RL |
2355 | } |
2356 | ||
2357 | int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2358 | { | |
6fcd92d3 RL |
2359 | if (pkey != NULL) { |
2360 | if (evp_pkey_is_provided(pkey)) | |
7e5e9117 | 2361 | return evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) > 0; |
6fcd92d3 RL |
2362 | #ifndef FIPS_MODULE |
2363 | else if (evp_pkey_is_legacy(pkey)) | |
7e5e9117 | 2364 | return evp_pkey_get_params_to_ctrl(pkey, params) > 0; |
6fcd92d3 RL |
2365 | #endif |
2366 | } | |
2367 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2368 | return 0; | |
13e85fb3 RL |
2369 | } |
2370 | ||
3d34bedf MC |
2371 | #ifndef FIPS_MODULE |
2372 | int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey) | |
2373 | { | |
2374 | char name[80]; | |
2375 | size_t name_len; | |
2376 | ||
2377 | if (pkey == NULL) | |
2378 | return 0; | |
2379 | ||
2380 | if (pkey->keymgmt == NULL | |
2381 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2382 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2383 | /* Might work through the legacy route */ |
7bc0fdd3 | 2384 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2385 | |
2386 | if (ec == NULL) | |
2387 | return 0; | |
2388 | ||
2389 | return EC_KEY_get_conv_form(ec); | |
0e2f87c0 | 2390 | # else |
3d34bedf | 2391 | return 0; |
0e2f87c0 | 2392 | # endif |
3d34bedf MC |
2393 | } |
2394 | ||
2395 | if (!EVP_PKEY_get_utf8_string_param(pkey, | |
2396 | OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, | |
2397 | name, sizeof(name), &name_len)) | |
2398 | return 0; | |
2399 | ||
2400 | if (strcmp(name, "uncompressed") == 0) | |
2401 | return POINT_CONVERSION_UNCOMPRESSED; | |
2402 | ||
2403 | if (strcmp(name, "compressed") == 0) | |
2404 | return POINT_CONVERSION_COMPRESSED; | |
2405 | ||
2406 | if (strcmp(name, "hybrid") == 0) | |
2407 | return POINT_CONVERSION_HYBRID; | |
2408 | ||
2409 | return 0; | |
2410 | } | |
2411 | ||
2412 | int EVP_PKEY_get_field_type(const EVP_PKEY *pkey) | |
2413 | { | |
2414 | char fstr[80]; | |
2415 | size_t fstrlen; | |
2416 | ||
2417 | if (pkey == NULL) | |
2418 | return 0; | |
2419 | ||
2420 | if (pkey->keymgmt == NULL | |
2421 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2422 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2423 | /* Might work through the legacy route */ |
7bc0fdd3 | 2424 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2425 | const EC_GROUP *grp; |
2426 | ||
2427 | if (ec == NULL) | |
2428 | return 0; | |
2429 | grp = EC_KEY_get0_group(ec); | |
82a46200 TM |
2430 | if (grp == NULL) |
2431 | return 0; | |
3d34bedf MC |
2432 | |
2433 | return EC_GROUP_get_field_type(grp); | |
0e2f87c0 | 2434 | # else |
3d34bedf | 2435 | return 0; |
0e2f87c0 | 2436 | # endif |
3d34bedf MC |
2437 | } |
2438 | ||
2439 | if (!EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_EC_FIELD_TYPE, | |
2440 | fstr, sizeof(fstr), &fstrlen)) | |
2441 | return 0; | |
2442 | ||
2443 | if (strcmp(fstr, SN_X9_62_prime_field) == 0) | |
2444 | return NID_X9_62_prime_field; | |
2445 | else if (strcmp(fstr, SN_X9_62_characteristic_two_field)) | |
2446 | return NID_X9_62_characteristic_two_field; | |
2447 | ||
2448 | return 0; | |
2449 | } | |
2450 | #endif |