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62867571 | 1 | /* |
4333b89f | 2 | * Copyright 1995-2021 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> | |
ec577822 | 25 | #include <openssl/x509.h> |
3c27208f RS |
26 | #include <openssl/rsa.h> |
27 | #include <openssl/dsa.h> | |
28 | #include <openssl/dh.h> | |
4f76d62f | 29 | #include <openssl/ec.h> |
b3831fbb | 30 | #include <openssl/cmac.h> |
3c27208f | 31 | #include <openssl/engine.h> |
e74bd290 | 32 | #include <openssl/params.h> |
1c4f340d | 33 | #include <openssl/param_build.h> |
ece9304c | 34 | #include <openssl/encoder.h> |
e74bd290 | 35 | #include <openssl/core_names.h> |
01b8b3c7 | 36 | |
d2f53212 | 37 | #include "internal/numbers.h" /* includes SIZE_MAX */ |
88bddad4 | 38 | #include "internal/ffc.h" |
25f2138b DMSP |
39 | #include "crypto/asn1.h" |
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" |
2145ba5e | 46 | #include "crypto/x509.h" |
e74bd290 | 47 | #include "internal/provider.h" |
f6aa5774 | 48 | #include "evp_local.h" |
18e377b4 | 49 | |
4f76d62f RL |
50 | #include "e_os.h" /* strcasecmp on Windows */ |
51 | ||
8243d8d1 RL |
52 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
53 | int len, EVP_KEYMGMT *keymgmt); | |
e683582b SL |
54 | static void evp_pkey_free_it(EVP_PKEY *key); |
55 | ||
f844f9eb | 56 | #ifndef FIPS_MODULE |
bb2297a4 | 57 | |
8158cf20 RL |
58 | /* The type of parameters selected in key parameter functions */ |
59 | # define SELECT_PARAMETERS OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS | |
60 | ||
ed576acd | 61 | int EVP_PKEY_get_bits(const EVP_PKEY *pkey) |
0f113f3e | 62 | { |
030da844 RL |
63 | int size = 0; |
64 | ||
6508e858 | 65 | if (pkey != NULL) { |
030da844 RL |
66 | size = pkey->cache.bits; |
67 | if (pkey->ameth != NULL && pkey->ameth->pkey_bits != NULL) | |
68 | size = pkey->ameth->pkey_bits(pkey); | |
6508e858 | 69 | } |
030da844 | 70 | return size < 0 ? 0 : size; |
0f113f3e | 71 | } |
58964a49 | 72 | |
ed576acd | 73 | int EVP_PKEY_get_security_bits(const EVP_PKEY *pkey) |
0f113f3e | 74 | { |
030da844 RL |
75 | int size = 0; |
76 | ||
77 | if (pkey != NULL) { | |
78 | size = pkey->cache.security_bits; | |
79 | if (pkey->ameth != NULL && pkey->ameth->pkey_security_bits != NULL) | |
80 | size = pkey->ameth->pkey_security_bits(pkey); | |
81 | } | |
82 | return size < 0 ? 0 : size; | |
0f113f3e | 83 | } |
2514fa79 | 84 | |
6b691a5c | 85 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 86 | { |
e683582b | 87 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
88 | if (pkey->type == EVP_PKEY_DSA) { |
89 | int ret = pkey->save_parameters; | |
90 | ||
91 | if (mode >= 0) | |
92 | pkey->save_parameters = mode; | |
26a7d938 | 93 | return ret; |
0f113f3e | 94 | } |
e683582b SL |
95 | # endif |
96 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
97 | if (pkey->type == EVP_PKEY_EC) { |
98 | int ret = pkey->save_parameters; | |
99 | ||
100 | if (mode >= 0) | |
101 | pkey->save_parameters = mode; | |
26a7d938 | 102 | return ret; |
0f113f3e | 103 | } |
e683582b | 104 | # endif |
26a7d938 | 105 | return 0; |
0f113f3e | 106 | } |
d02b48c6 | 107 | |
ff1f7cde AT |
108 | int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg) |
109 | { | |
110 | return CRYPTO_set_ex_data(&key->ex_data, idx, arg); | |
111 | } | |
112 | ||
113 | void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx) | |
114 | { | |
115 | return CRYPTO_get_ex_data(&key->ex_data, idx); | |
116 | } | |
117 | ||
a8b72844 | 118 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 119 | { |
ff3b59e1 | 120 | /* |
5b5eea4b | 121 | * Clean up legacy stuff from this function when legacy support is gone. |
ff3b59e1 RL |
122 | */ |
123 | ||
93d6132a RL |
124 | EVP_PKEY *downgraded_from = NULL; |
125 | int ok = 0; | |
126 | ||
ff3b59e1 | 127 | /* |
93d6132a RL |
128 | * If |to| is a legacy key and |from| isn't, we must make a downgraded |
129 | * copy of |from|. If that fails, this function fails. | |
ff3b59e1 | 130 | */ |
93d6132a RL |
131 | if (evp_pkey_is_legacy(to) && evp_pkey_is_provided(from)) { |
132 | if (!evp_pkey_copy_downgraded(&downgraded_from, from)) | |
133 | goto end; | |
134 | from = downgraded_from; | |
135 | } | |
acb90ba8 RL |
136 | |
137 | /* | |
138 | * Make sure |to| is typed. Content is less important at this early | |
139 | * stage. | |
140 | * | |
141 | * 1. If |to| is untyped, assign |from|'s key type to it. | |
142 | * 2. If |to| contains a legacy key, compare its |type| to |from|'s. | |
143 | * (|from| was already downgraded above) | |
144 | * | |
145 | * If |to| is a provided key, there's nothing more to do here, functions | |
146 | * like evp_keymgmt_util_copy() and evp_pkey_export_to_provider() called | |
147 | * further down help us find out if they are the same or not. | |
148 | */ | |
5e5bc836 RL |
149 | if (evp_pkey_is_blank(to)) { |
150 | if (evp_pkey_is_legacy(from)) { | |
ff3b59e1 | 151 | if (EVP_PKEY_set_type(to, from->type) == 0) |
93d6132a | 152 | goto end; |
acb90ba8 RL |
153 | } else { |
154 | if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0) | |
93d6132a | 155 | goto end; |
acb90ba8 | 156 | } |
5e5bc836 | 157 | } else if (evp_pkey_is_legacy(to)) { |
acb90ba8 | 158 | if (to->type != from->type) { |
9311d0c4 | 159 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 160 | goto end; |
ff3b59e1 | 161 | } |
0f113f3e MC |
162 | } |
163 | ||
164 | if (EVP_PKEY_missing_parameters(from)) { | |
9311d0c4 | 165 | ERR_raise(ERR_LIB_EVP, EVP_R_MISSING_PARAMETERS); |
93d6132a | 166 | goto end; |
0f113f3e | 167 | } |
f72f00d4 DSH |
168 | |
169 | if (!EVP_PKEY_missing_parameters(to)) { | |
c74aaa39 | 170 | if (EVP_PKEY_parameters_eq(to, from) == 1) |
93d6132a RL |
171 | ok = 1; |
172 | else | |
173 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_PARAMETERS); | |
174 | goto end; | |
f72f00d4 DSH |
175 | } |
176 | ||
ff3b59e1 | 177 | /* For purely provided keys, we just call the keymgmt utility */ |
93d6132a RL |
178 | if (to->keymgmt != NULL && from->keymgmt != NULL) { |
179 | ok = evp_keymgmt_util_copy(to, (EVP_PKEY *)from, SELECT_PARAMETERS); | |
180 | goto end; | |
181 | } | |
ff3b59e1 RL |
182 | |
183 | /* | |
184 | * If |to| is provided, we know that |from| is legacy at this point. | |
85fcc3fb | 185 | * Try exporting |from| to |to|'s keymgmt, then use evp_keymgmt_dup() |
ff3b59e1 | 186 | * to copy the appropriate data to |to|'s keydata. |
85fcc3fb TM |
187 | * We cannot override existing data so do it only if there is no keydata |
188 | * in |to| yet. | |
ff3b59e1 | 189 | */ |
85fcc3fb | 190 | if (to->keymgmt != NULL && to->keydata == NULL) { |
ff3b59e1 RL |
191 | EVP_KEYMGMT *to_keymgmt = to->keymgmt; |
192 | void *from_keydata = | |
193 | evp_pkey_export_to_provider((EVP_PKEY *)from, NULL, &to_keymgmt, | |
194 | NULL); | |
195 | ||
acb90ba8 RL |
196 | /* |
197 | * If we get a NULL, it could be an internal error, or it could be | |
198 | * that there's a key mismatch. We're pretending the latter... | |
199 | */ | |
93d6132a | 200 | if (from_keydata == NULL) |
acb90ba8 | 201 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 202 | else |
85fcc3fb TM |
203 | ok = (to->keydata = evp_keymgmt_dup(to->keymgmt, |
204 | from_keydata, | |
205 | SELECT_PARAMETERS)) != NULL; | |
93d6132a | 206 | goto end; |
ff3b59e1 RL |
207 | } |
208 | ||
209 | /* Both keys are legacy */ | |
210 | if (from->ameth != NULL && from->ameth->param_copy != NULL) | |
93d6132a RL |
211 | ok = from->ameth->param_copy(to, from); |
212 | end: | |
213 | EVP_PKEY_free(downgraded_from); | |
214 | return ok; | |
0f113f3e | 215 | } |
d02b48c6 | 216 | |
af0f0f3e | 217 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 218 | { |
157ded39 RL |
219 | if (pkey != NULL) { |
220 | if (pkey->keymgmt != NULL) | |
8158cf20 | 221 | return !evp_keymgmt_util_has((EVP_PKEY *)pkey, SELECT_PARAMETERS); |
157ded39 RL |
222 | else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL) |
223 | return pkey->ameth->param_missing(pkey); | |
224 | } | |
0f113f3e MC |
225 | return 0; |
226 | } | |
d02b48c6 | 227 | |
1e9101c4 RL |
228 | /* |
229 | * This function is called for any mixture of keys except pure legacy pair. | |
37cddb2e | 230 | * When legacy keys are gone, we replace a call to this functions with |
1e9101c4 RL |
231 | * a call to evp_keymgmt_util_match(). |
232 | */ | |
233 | static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b, | |
234 | int selection) | |
235 | { | |
236 | EVP_KEYMGMT *keymgmt1 = NULL, *keymgmt2 = NULL; | |
237 | void *keydata1 = NULL, *keydata2 = NULL, *tmp_keydata = NULL; | |
238 | ||
239 | /* If none of them are provided, this function shouldn't have been called */ | |
a57fc730 | 240 | if (!ossl_assert(evp_pkey_is_provided(a) || evp_pkey_is_provided(b))) |
1e9101c4 RL |
241 | return -2; |
242 | ||
243 | /* For purely provided keys, we just call the keymgmt utility */ | |
a57fc730 | 244 | if (evp_pkey_is_provided(a) && evp_pkey_is_provided(b)) |
1e9101c4 RL |
245 | return evp_keymgmt_util_match((EVP_PKEY *)a, (EVP_PKEY *)b, selection); |
246 | ||
247 | /* | |
acb90ba8 RL |
248 | * At this point, one of them is provided, the other not. This allows |
249 | * us to compare types using legacy NIDs. | |
250 | */ | |
a57fc730 RL |
251 | if (evp_pkey_is_legacy(a) |
252 | && !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type))) | |
253 | return -1; /* not the same key type */ | |
254 | if (evp_pkey_is_legacy(b) | |
255 | && !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))) | |
acb90ba8 RL |
256 | return -1; /* not the same key type */ |
257 | ||
258 | /* | |
259 | * We've determined that they both are the same keytype, so the next | |
260 | * step is to do a bit of cross export to ensure we have keydata for | |
261 | * both keys in the same keymgmt. | |
1e9101c4 RL |
262 | */ |
263 | keymgmt1 = a->keymgmt; | |
264 | keydata1 = a->keydata; | |
265 | keymgmt2 = b->keymgmt; | |
266 | keydata2 = b->keydata; | |
267 | ||
1e9101c4 RL |
268 | if (keymgmt2 != NULL && keymgmt2->match != NULL) { |
269 | tmp_keydata = | |
270 | evp_pkey_export_to_provider((EVP_PKEY *)a, NULL, &keymgmt2, NULL); | |
271 | if (tmp_keydata != NULL) { | |
272 | keymgmt1 = keymgmt2; | |
273 | keydata1 = tmp_keydata; | |
274 | } | |
275 | } | |
276 | if (tmp_keydata == NULL && keymgmt1 != NULL && keymgmt1->match != NULL) { | |
277 | tmp_keydata = | |
278 | evp_pkey_export_to_provider((EVP_PKEY *)b, NULL, &keymgmt1, NULL); | |
279 | if (tmp_keydata != NULL) { | |
280 | keymgmt2 = keymgmt1; | |
281 | keydata2 = tmp_keydata; | |
282 | } | |
283 | } | |
284 | ||
285 | /* If we still don't have matching keymgmt implementations, we give up */ | |
286 | if (keymgmt1 != keymgmt2) | |
287 | return -2; | |
288 | ||
a24b510c RL |
289 | /* If the keymgmt implementations are NULL, the export failed */ |
290 | if (keymgmt1 == NULL) | |
291 | return -2; | |
292 | ||
1e9101c4 RL |
293 | return evp_keymgmt_match(keymgmt1, keydata1, keydata2, selection); |
294 | } | |
295 | ||
c85c5e1a | 296 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 297 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
298 | { |
299 | return EVP_PKEY_parameters_eq(a, b); | |
300 | } | |
c85c5e1a | 301 | #endif |
c74aaa39 DDO |
302 | |
303 | int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 304 | { |
1e9101c4 | 305 | /* |
37cddb2e | 306 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
307 | * is gone. |
308 | */ | |
309 | ||
310 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 | 311 | return evp_pkey_cmp_any(a, b, SELECT_PARAMETERS); |
1e9101c4 RL |
312 | |
313 | /* All legacy keys */ | |
0f113f3e MC |
314 | if (a->type != b->type) |
315 | return -1; | |
1e9101c4 | 316 | if (a->ameth != NULL && a->ameth->param_cmp != NULL) |
0f113f3e MC |
317 | return a->ameth->param_cmp(a, b); |
318 | return -2; | |
319 | } | |
58964a49 | 320 | |
c85c5e1a | 321 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 322 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
323 | { |
324 | return EVP_PKEY_eq(a, b); | |
325 | } | |
c85c5e1a | 326 | #endif |
c74aaa39 DDO |
327 | |
328 | int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 329 | { |
1e9101c4 | 330 | /* |
37cddb2e | 331 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
332 | * is gone. |
333 | */ | |
334 | ||
5af6e154 TM |
335 | /* Trivial shortcuts */ |
336 | if (a == b) | |
337 | return 1; | |
338 | if (a == NULL || b == NULL) | |
339 | return 0; | |
340 | ||
1e9101c4 | 341 | if (a->keymgmt != NULL || b->keymgmt != NULL) |
8158cf20 RL |
342 | return evp_pkey_cmp_any(a, b, (SELECT_PARAMETERS |
343 | | OSSL_KEYMGMT_SELECT_PUBLIC_KEY)); | |
1e9101c4 RL |
344 | |
345 | /* All legacy keys */ | |
0f113f3e MC |
346 | if (a->type != b->type) |
347 | return -1; | |
348 | ||
1e9101c4 | 349 | if (a->ameth != NULL) { |
0f113f3e MC |
350 | int ret; |
351 | /* Compare parameters if the algorithm has them */ | |
1e9101c4 | 352 | if (a->ameth->param_cmp != NULL) { |
0f113f3e MC |
353 | ret = a->ameth->param_cmp(a, b); |
354 | if (ret <= 0) | |
355 | return ret; | |
356 | } | |
357 | ||
1e9101c4 | 358 | if (a->ameth->pub_cmp != NULL) |
0f113f3e MC |
359 | return a->ameth->pub_cmp(a, b); |
360 | } | |
361 | ||
362 | return -2; | |
363 | } | |
e6526fbf | 364 | |
1c4f340d | 365 | |
b4250010 | 366 | static EVP_PKEY *new_raw_key_int(OSSL_LIB_CTX *libctx, |
1c4f340d MC |
367 | const char *strtype, |
368 | const char *propq, | |
369 | int nidtype, | |
370 | ENGINE *e, | |
371 | const unsigned char *key, | |
372 | size_t len, | |
373 | int key_is_priv) | |
a08802ce | 374 | { |
1c4f340d MC |
375 | EVP_PKEY *pkey = NULL; |
376 | EVP_PKEY_CTX *ctx = NULL; | |
377 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; | |
378 | int result = 0; | |
379 | ||
380 | # ifndef OPENSSL_NO_ENGINE | |
381 | /* Check if there is an Engine for this type */ | |
382 | if (e == NULL) { | |
383 | ENGINE *tmpe = NULL; | |
384 | ||
385 | if (strtype != NULL) | |
386 | ameth = EVP_PKEY_asn1_find_str(&tmpe, strtype, -1); | |
387 | else if (nidtype != EVP_PKEY_NONE) | |
388 | ameth = EVP_PKEY_asn1_find(&tmpe, nidtype); | |
389 | ||
390 | /* If tmpe is NULL then no engine is claiming to support this type */ | |
391 | if (tmpe == NULL) | |
392 | ameth = NULL; | |
393 | ||
394 | ENGINE_finish(tmpe); | |
395 | } | |
396 | # endif | |
a08802ce | 397 | |
1c4f340d MC |
398 | if (e == NULL && ameth == NULL) { |
399 | /* | |
400 | * No engine is claiming to support this type, so lets see if we have | |
401 | * a provider. | |
402 | */ | |
403 | ctx = EVP_PKEY_CTX_new_from_name(libctx, | |
404 | strtype != NULL ? strtype | |
405 | : OBJ_nid2sn(nidtype), | |
406 | propq); | |
4feda976 | 407 | if (ctx == NULL) |
1c4f340d | 408 | goto err; |
1c4f340d MC |
409 | /* May fail if no provider available */ |
410 | ERR_set_mark(); | |
2db985b7 | 411 | if (EVP_PKEY_fromdata_init(ctx) == 1) { |
1c4f340d MC |
412 | OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END }; |
413 | ||
414 | ERR_clear_last_mark(); | |
415 | params[0] = OSSL_PARAM_construct_octet_string( | |
416 | key_is_priv ? OSSL_PKEY_PARAM_PRIV_KEY | |
417 | : OSSL_PKEY_PARAM_PUB_KEY, | |
418 | (void *)key, len); | |
419 | ||
2db985b7 | 420 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) != 1) { |
9311d0c4 | 421 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
422 | goto err; |
423 | } | |
424 | ||
425 | EVP_PKEY_CTX_free(ctx); | |
426 | ||
427 | return pkey; | |
428 | } | |
429 | ERR_pop_to_mark(); | |
430 | /* else not supported so fallback to legacy */ | |
a08802ce MC |
431 | } |
432 | ||
1c4f340d MC |
433 | /* Legacy code path */ |
434 | ||
435 | pkey = EVP_PKEY_new(); | |
436 | if (pkey == NULL) { | |
9311d0c4 | 437 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
a08802ce MC |
438 | goto err; |
439 | } | |
440 | ||
1c4f340d MC |
441 | if (!pkey_set_type(pkey, e, nidtype, strtype, -1, NULL)) { |
442 | /* EVPerr already called */ | |
a08802ce MC |
443 | goto err; |
444 | } | |
445 | ||
1c4f340d MC |
446 | if (!ossl_assert(pkey->ameth != NULL)) |
447 | goto err; | |
a08802ce | 448 | |
1c4f340d MC |
449 | if (key_is_priv) { |
450 | if (pkey->ameth->set_priv_key == NULL) { | |
9311d0c4 | 451 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
452 | goto err; |
453 | } | |
a08802ce | 454 | |
1c4f340d | 455 | if (!pkey->ameth->set_priv_key(pkey, key, len)) { |
9311d0c4 | 456 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
457 | goto err; |
458 | } | |
459 | } else { | |
460 | if (pkey->ameth->set_pub_key == NULL) { | |
9311d0c4 | 461 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
462 | goto err; |
463 | } | |
a08802ce | 464 | |
1c4f340d | 465 | if (!pkey->ameth->set_pub_key(pkey, key, len)) { |
9311d0c4 | 466 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
467 | goto err; |
468 | } | |
a08802ce MC |
469 | } |
470 | ||
1c4f340d MC |
471 | result = 1; |
472 | err: | |
473 | if (!result) { | |
474 | EVP_PKEY_free(pkey); | |
475 | pkey = NULL; | |
a08802ce | 476 | } |
1c4f340d MC |
477 | EVP_PKEY_CTX_free(ctx); |
478 | return pkey; | |
479 | } | |
a08802ce | 480 | |
b4250010 | 481 | EVP_PKEY *EVP_PKEY_new_raw_private_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
482 | const char *keytype, |
483 | const char *propq, | |
484 | const unsigned char *priv, size_t len) | |
1c4f340d MC |
485 | { |
486 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, priv, | |
487 | len, 1); | |
488 | } | |
a08802ce | 489 | |
1c4f340d MC |
490 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
491 | const unsigned char *priv, | |
492 | size_t len) | |
493 | { | |
494 | return new_raw_key_int(NULL, NULL, NULL, type, e, priv, len, 1); | |
495 | } | |
a08802ce | 496 | |
b4250010 | 497 | EVP_PKEY *EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
498 | const char *keytype, const char *propq, |
499 | const unsigned char *pub, size_t len) | |
1c4f340d MC |
500 | { |
501 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, pub, | |
502 | len, 0); | |
503 | } | |
504 | ||
505 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, | |
506 | const unsigned char *pub, | |
507 | size_t len) | |
508 | { | |
509 | return new_raw_key_int(NULL, NULL, NULL, type, e, pub, len, 0); | |
a08802ce MC |
510 | } |
511 | ||
c19d8978 MC |
512 | struct raw_key_details_st |
513 | { | |
514 | unsigned char **key; | |
515 | size_t *len; | |
516 | int selection; | |
517 | }; | |
518 | ||
519 | static OSSL_CALLBACK get_raw_key_details; | |
520 | static int get_raw_key_details(const OSSL_PARAM params[], void *arg) | |
521 | { | |
522 | const OSSL_PARAM *p = NULL; | |
523 | struct raw_key_details_st *raw_key = arg; | |
524 | ||
525 | if (raw_key->selection == OSSL_KEYMGMT_SELECT_PRIVATE_KEY) { | |
526 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY)) | |
527 | != NULL) | |
528 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
529 | SIZE_MAX, raw_key->len); | |
530 | } else if (raw_key->selection == OSSL_KEYMGMT_SELECT_PUBLIC_KEY) { | |
531 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY)) | |
532 | != NULL) | |
533 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
534 | SIZE_MAX, raw_key->len); | |
535 | } | |
536 | ||
537 | return 0; | |
538 | } | |
539 | ||
0d124b0a MC |
540 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
541 | size_t *len) | |
542 | { | |
c19d8978 MC |
543 | if (pkey->keymgmt != NULL) { |
544 | struct raw_key_details_st raw_key; | |
545 | ||
546 | raw_key.key = priv == NULL ? NULL : &priv; | |
547 | raw_key.len = len; | |
548 | raw_key.selection = OSSL_KEYMGMT_SELECT_PRIVATE_KEY; | |
549 | ||
655f73ce RL |
550 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PRIVATE_KEY, |
551 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
552 | } |
553 | ||
554 | if (pkey->ameth == NULL) { | |
9311d0c4 | 555 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
556 | return 0; |
557 | } | |
558 | ||
559 | if (pkey->ameth->get_priv_key == NULL) { | |
9311d0c4 | 560 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
561 | return 0; |
562 | } | |
563 | ||
564 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
9311d0c4 | 565 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
566 | return 0; |
567 | } | |
568 | ||
569 | return 1; | |
570 | } | |
571 | ||
572 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
573 | size_t *len) | |
574 | { | |
c19d8978 MC |
575 | if (pkey->keymgmt != NULL) { |
576 | struct raw_key_details_st raw_key; | |
577 | ||
578 | raw_key.key = pub == NULL ? NULL : &pub; | |
579 | raw_key.len = len; | |
580 | raw_key.selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
581 | ||
655f73ce RL |
582 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, |
583 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
584 | } |
585 | ||
586 | if (pkey->ameth == NULL) { | |
9311d0c4 | 587 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
588 | return 0; |
589 | } | |
590 | ||
0d124b0a | 591 | if (pkey->ameth->get_pub_key == NULL) { |
9311d0c4 | 592 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
593 | return 0; |
594 | } | |
595 | ||
596 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
9311d0c4 | 597 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
598 | return 0; |
599 | } | |
600 | ||
601 | return 1; | |
602 | } | |
603 | ||
a540ef90 MC |
604 | static EVP_PKEY *new_cmac_key_int(const unsigned char *priv, size_t len, |
605 | const char *cipher_name, | |
b4250010 DMSP |
606 | const EVP_CIPHER *cipher, |
607 | OSSL_LIB_CTX *libctx, | |
a540ef90 | 608 | const char *propq, ENGINE *e) |
b3831fbb | 609 | { |
e683582b SL |
610 | # ifndef OPENSSL_NO_CMAC |
611 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 612 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 613 | # endif |
2ef9a7ac | 614 | OSSL_PARAM params[5], *p = params; |
a540ef90 MC |
615 | EVP_PKEY *pkey = NULL; |
616 | EVP_PKEY_CTX *ctx; | |
617 | ||
618 | if (cipher != NULL) | |
ed576acd | 619 | cipher_name = EVP_CIPHER_get0_name(cipher); |
a540ef90 MC |
620 | |
621 | if (cipher_name == NULL) { | |
9311d0c4 | 622 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
a540ef90 MC |
623 | return NULL; |
624 | } | |
625 | ||
626 | ctx = EVP_PKEY_CTX_new_from_name(libctx, "CMAC", propq); | |
20d56d6d | 627 | if (ctx == NULL) |
a540ef90 | 628 | goto err; |
a540ef90 | 629 | |
2db985b7 | 630 | if (!EVP_PKEY_fromdata_init(ctx)) { |
9311d0c4 | 631 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
632 | goto err; |
633 | } | |
634 | ||
a540ef90 MC |
635 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, |
636 | (void *)priv, len); | |
637 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
638 | (char *)cipher_name, 0); | |
2ef9a7ac MC |
639 | if (propq != NULL) |
640 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, | |
641 | (char *)propq, 0); | |
e683582b | 642 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 643 | if (engine_id != NULL) |
a540ef90 MC |
644 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_ENGINE, |
645 | (char *)engine_id, 0); | |
e683582b | 646 | # endif |
a540ef90 | 647 | *p = OSSL_PARAM_construct_end(); |
3be06e0d | 648 | |
2db985b7 | 649 | if (!EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params)) { |
9311d0c4 | 650 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
651 | goto err; |
652 | } | |
653 | ||
b3831fbb | 654 | err: |
a540ef90 MC |
655 | EVP_PKEY_CTX_free(ctx); |
656 | ||
657 | return pkey; | |
e683582b | 658 | # else |
9311d0c4 | 659 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
df6d51e2 | 660 | return NULL; |
e683582b | 661 | # endif |
b3831fbb | 662 | } |
a08802ce | 663 | |
a540ef90 MC |
664 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
665 | size_t len, const EVP_CIPHER *cipher) | |
666 | { | |
667 | return new_cmac_key_int(priv, len, NULL, cipher, NULL, NULL, e); | |
668 | } | |
669 | ||
01b8b3c7 | 670 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 671 | { |
8243d8d1 | 672 | return pkey_set_type(pkey, NULL, type, NULL, -1, NULL); |
0f113f3e | 673 | } |
01b8b3c7 DSH |
674 | |
675 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 676 | { |
8243d8d1 | 677 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len, NULL); |
0f113f3e | 678 | } |
2f2e6b62 | 679 | |
e683582b | 680 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
681 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
682 | { | |
683 | if (e != NULL) { | |
684 | if (!ENGINE_init(e)) { | |
9311d0c4 | 685 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
d19b01ad DSH |
686 | return 0; |
687 | } | |
688 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
689 | ENGINE_finish(e); | |
9311d0c4 | 690 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
d19b01ad DSH |
691 | return 0; |
692 | } | |
693 | } | |
694 | ENGINE_finish(pkey->pmeth_engine); | |
695 | pkey->pmeth_engine = e; | |
696 | return 1; | |
697 | } | |
229f7b38 DB |
698 | |
699 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
700 | { | |
701 | return pkey->engine; | |
702 | } | |
e683582b | 703 | # endif |
8e53d94d MC |
704 | |
705 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
b247113c TM |
706 | static void detect_foreign_key(EVP_PKEY *pkey) |
707 | { | |
708 | switch (pkey->type) { | |
709 | case EVP_PKEY_RSA: | |
710 | pkey->foreign = pkey->pkey.rsa != NULL | |
711 | && ossl_rsa_is_foreign(pkey->pkey.rsa); | |
712 | break; | |
713 | # ifndef OPENSSL_NO_EC | |
714 | case EVP_PKEY_SM2: | |
715 | case EVP_PKEY_EC: | |
716 | pkey->foreign = pkey->pkey.ec != NULL | |
717 | && ossl_ec_key_is_foreign(pkey->pkey.ec); | |
718 | break; | |
719 | # endif | |
720 | # ifndef OPENSSL_NO_DSA | |
721 | case EVP_PKEY_DSA: | |
722 | pkey->foreign = pkey->pkey.dsa != NULL | |
723 | && ossl_dsa_is_foreign(pkey->pkey.dsa); | |
724 | break; | |
725 | #endif | |
726 | # ifndef OPENSSL_NO_DH | |
727 | case EVP_PKEY_DH: | |
728 | pkey->foreign = pkey->pkey.dh != NULL | |
729 | && ossl_dh_is_foreign(pkey->pkey.dh); | |
730 | break; | |
731 | #endif | |
732 | default: | |
733 | pkey->foreign = 0; | |
734 | break; | |
735 | } | |
736 | } | |
737 | ||
01b8b3c7 | 738 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 739 | { |
8e53d94d | 740 | # ifndef OPENSSL_NO_EC |
28fd8953 MC |
741 | int pktype; |
742 | ||
743 | pktype = EVP_PKEY_type(type); | |
744 | if ((key != NULL) && (pktype == EVP_PKEY_EC || pktype == EVP_PKEY_SM2)) { | |
f4e4382c RL |
745 | const EC_GROUP *group = EC_KEY_get0_group(key); |
746 | ||
28fd8953 MC |
747 | if (group != NULL) { |
748 | int curve = EC_GROUP_get_curve_name(group); | |
749 | ||
750 | /* | |
751 | * Regardless of what is requested the SM2 curve must be SM2 type, | |
752 | * and non SM2 curves are EC type. | |
753 | */ | |
754 | if (curve == NID_sm2 && pktype == EVP_PKEY_EC) | |
755 | type = EVP_PKEY_SM2; | |
756 | else if(curve != NID_sm2 && pktype == EVP_PKEY_SM2) | |
757 | type = EVP_PKEY_EC; | |
758 | } | |
f4e4382c | 759 | } |
8e53d94d | 760 | # endif |
f4e4382c | 761 | |
e34c66c6 | 762 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e | 763 | return 0; |
28fd8953 | 764 | |
0f113f3e | 765 | pkey->pkey.ptr = key; |
b247113c TM |
766 | detect_foreign_key(pkey); |
767 | ||
0f113f3e MC |
768 | return (key != NULL); |
769 | } | |
8e53d94d | 770 | # endif |
d02b48c6 | 771 | |
896dcda1 | 772 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e | 773 | { |
3c1ccfea SL |
774 | if (pkey == NULL) |
775 | return NULL; | |
b574c6a9 | 776 | |
896dcda1 DB |
777 | if (!evp_pkey_is_provided(pkey)) |
778 | return pkey->pkey.ptr; | |
779 | ||
780 | return NULL; | |
0f113f3e | 781 | } |
db98bbc1 | 782 | |
ebad0b0b NM |
783 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
784 | { | |
7bc0fdd3 | 785 | const ASN1_OCTET_STRING *os = NULL; |
ebad0b0b | 786 | if (pkey->type != EVP_PKEY_HMAC) { |
9311d0c4 | 787 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_AN_HMAC_KEY); |
ebad0b0b NM |
788 | return NULL; |
789 | } | |
896dcda1 DB |
790 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
791 | if (os != NULL) { | |
792 | *len = os->length; | |
793 | return os->data; | |
794 | } | |
795 | return NULL; | |
ebad0b0b NM |
796 | } |
797 | ||
e683582b | 798 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
799 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
800 | { | |
7bc0fdd3 | 801 | const ASN1_OCTET_STRING *os = NULL; |
52ad5b60 | 802 | if (pkey->type != EVP_PKEY_POLY1305) { |
9311d0c4 | 803 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_POLY1305_KEY); |
52ad5b60 TS |
804 | return NULL; |
805 | } | |
896dcda1 DB |
806 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
807 | if (os != NULL) { | |
808 | *len = os->length; | |
809 | return os->data; | |
810 | } | |
811 | return NULL; | |
52ad5b60 | 812 | } |
e683582b | 813 | # endif |
52ad5b60 | 814 | |
e683582b | 815 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
816 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
817 | { | |
7bc0fdd3 | 818 | const ASN1_OCTET_STRING *os = NULL; |
3f5616d7 TS |
819 | |
820 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
9311d0c4 | 821 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_SIPHASH_KEY); |
3f5616d7 TS |
822 | return NULL; |
823 | } | |
896dcda1 DB |
824 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
825 | if (os != NULL) { | |
826 | *len = os->length; | |
827 | return os->data; | |
828 | } | |
829 | return NULL; | |
3f5616d7 | 830 | } |
e683582b | 831 | # endif |
3f5616d7 | 832 | |
e683582b | 833 | # ifndef OPENSSL_NO_DSA |
7bc0fdd3 | 834 | static DSA *evp_pkey_get0_DSA_int(const EVP_PKEY *pkey) |
0f113f3e MC |
835 | { |
836 | if (pkey->type != EVP_PKEY_DSA) { | |
9311d0c4 | 837 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
838 | return NULL; |
839 | } | |
b574c6a9 | 840 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 841 | } |
2872dbe1 | 842 | |
7bc0fdd3 MC |
843 | const DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
844 | { | |
845 | return evp_pkey_get0_DSA_int(pkey); | |
846 | } | |
847 | ||
b03ec3b5 SL |
848 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
849 | { | |
850 | int ret = EVP_PKEY_assign_DSA(pkey, key); | |
851 | if (ret) | |
852 | DSA_up_ref(key); | |
853 | return ret; | |
854 | } | |
2872dbe1 DSH |
855 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) |
856 | { | |
7bc0fdd3 MC |
857 | DSA *ret = evp_pkey_get0_DSA_int(pkey); |
858 | ||
2872dbe1 DSH |
859 | if (ret != NULL) |
860 | DSA_up_ref(ret); | |
861 | return ret; | |
862 | } | |
b03ec3b5 | 863 | # endif /* OPENSSL_NO_DSA */ |
f769ce3e | 864 | |
e683582b | 865 | # ifndef OPENSSL_NO_EC |
7bc0fdd3 | 866 | static const ECX_KEY *evp_pkey_get0_ECX_KEY(const EVP_PKEY *pkey, int type) |
7c664b1f | 867 | { |
ed576acd | 868 | if (EVP_PKEY_get_base_id(pkey) != type) { |
7c664b1f RL |
869 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_ECX_KEY); |
870 | return NULL; | |
871 | } | |
b574c6a9 | 872 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
7c664b1f RL |
873 | } |
874 | ||
25b16562 | 875 | static ECX_KEY *evp_pkey_get1_ECX_KEY(EVP_PKEY *pkey, int type) |
7c664b1f | 876 | { |
7bc0fdd3 | 877 | ECX_KEY *ret = (ECX_KEY *)evp_pkey_get0_ECX_KEY(pkey, type); |
8eca93f8 P |
878 | |
879 | if (ret != NULL && !ossl_ecx_key_up_ref(ret)) | |
880 | ret = NULL; | |
7c664b1f RL |
881 | return ret; |
882 | } | |
883 | ||
884 | # define IMPLEMENT_ECX_VARIANT(NAME) \ | |
32ab57cb | 885 | ECX_KEY *ossl_evp_pkey_get1_##NAME(EVP_PKEY *pkey) \ |
7c664b1f | 886 | { \ |
25b16562 | 887 | return evp_pkey_get1_ECX_KEY(pkey, EVP_PKEY_##NAME); \ |
7c664b1f RL |
888 | } |
889 | IMPLEMENT_ECX_VARIANT(X25519) | |
890 | IMPLEMENT_ECX_VARIANT(X448) | |
891 | IMPLEMENT_ECX_VARIANT(ED25519) | |
892 | IMPLEMENT_ECX_VARIANT(ED448) | |
893 | ||
e683582b | 894 | # endif |
4d94ae00 | 895 | |
5a267416 | 896 | # if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
52664f50 | 897 | |
f1ffaaee | 898 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *dhkey) |
52664f50 | 899 | { |
f1ffaaee SL |
900 | int ret, type; |
901 | ||
902 | /* | |
903 | * ossl_dh_is_named_safe_prime_group() returns 1 for named safe prime groups | |
904 | * related to ffdhe and modp (which cache q = (p - 1) / 2), | |
905 | * and returns 0 for all other dh parameter generation types including | |
906 | * RFC5114 named groups. | |
907 | * | |
908 | * The EVP_PKEY_DH type is used for dh parameter generation types: | |
909 | * - named safe prime groups related to ffdhe and modp | |
910 | * - safe prime generator | |
911 | * | |
912 | * The type EVP_PKEY_DHX is used for dh parameter generation types | |
913 | * - fips186-4 and fips186-2 | |
914 | * - rfc5114 named groups. | |
915 | * | |
916 | * The EVP_PKEY_DH type is used to save PKCS#3 data than can be stored | |
917 | * without a q value. | |
918 | * The EVP_PKEY_DHX type is used to save X9.42 data that requires the | |
919 | * q value to be stored. | |
920 | */ | |
921 | if (ossl_dh_is_named_safe_prime_group(dhkey)) | |
922 | type = EVP_PKEY_DH; | |
923 | else | |
924 | type = DH_get0_q(dhkey) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; | |
925 | ||
926 | ret = EVP_PKEY_assign(pkey, type, dhkey); | |
32c869ff | 927 | |
0f113f3e | 928 | if (ret) |
f1ffaaee | 929 | DH_up_ref(dhkey); |
0f113f3e | 930 | return ret; |
52664f50 DSH |
931 | } |
932 | ||
7bc0fdd3 | 933 | DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey) |
0f113f3e MC |
934 | { |
935 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
9311d0c4 | 936 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
937 | return NULL; |
938 | } | |
b574c6a9 | 939 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 940 | } |
2872dbe1 | 941 | |
7bc0fdd3 MC |
942 | const DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
943 | { | |
944 | return evp_pkey_get0_DH_int(pkey); | |
945 | } | |
946 | ||
2872dbe1 DSH |
947 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) |
948 | { | |
7bc0fdd3 MC |
949 | DH *ret = evp_pkey_get0_DH_int(pkey); |
950 | ||
2872dbe1 DSH |
951 | if (ret != NULL) |
952 | DH_up_ref(ret); | |
953 | return ret; | |
954 | } | |
e683582b | 955 | # endif |
f769ce3e | 956 | |
6b691a5c | 957 | int EVP_PKEY_type(int type) |
0f113f3e MC |
958 | { |
959 | int ret; | |
960 | const EVP_PKEY_ASN1_METHOD *ameth; | |
961 | ENGINE *e; | |
962 | ameth = EVP_PKEY_asn1_find(&e, type); | |
963 | if (ameth) | |
964 | ret = ameth->pkey_id; | |
965 | else | |
966 | ret = NID_undef; | |
e683582b | 967 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 968 | ENGINE_finish(e); |
e683582b | 969 | # endif |
0f113f3e MC |
970 | return ret; |
971 | } | |
d02b48c6 | 972 | |
ed576acd | 973 | int EVP_PKEY_get_id(const EVP_PKEY *pkey) |
0f113f3e MC |
974 | { |
975 | return pkey->type; | |
976 | } | |
7f57b076 | 977 | |
ed576acd | 978 | int EVP_PKEY_get_base_id(const EVP_PKEY *pkey) |
0f113f3e MC |
979 | { |
980 | return EVP_PKEY_type(pkey->type); | |
981 | } | |
7f57b076 | 982 | |
977e95b9 RL |
983 | /* |
984 | * These hard coded cases are pure hackery to get around the fact | |
985 | * that names in crypto/objects/objects.txt are a mess. There is | |
986 | * no "EC", and "RSA" leads to the NID for 2.5.8.1.1, an OID that's | |
987 | * fallen out in favor of { pkcs-1 1 }, i.e. 1.2.840.113549.1.1.1, | |
988 | * the NID of which is used for EVP_PKEY_RSA. Strangely enough, | |
989 | * "DSA" is accurate... but still, better be safe and hard-code | |
990 | * names that we know. | |
991 | * On a similar topic, EVP_PKEY_type(EVP_PKEY_SM2) will result in | |
992 | * EVP_PKEY_EC, because of aliasing. | |
37cddb2e | 993 | * This should be cleaned away along with all other #legacy support. |
977e95b9 RL |
994 | */ |
995 | static const OSSL_ITEM standard_name2type[] = { | |
996 | { EVP_PKEY_RSA, "RSA" }, | |
997 | { EVP_PKEY_RSA_PSS, "RSA-PSS" }, | |
998 | { EVP_PKEY_EC, "EC" }, | |
999 | { EVP_PKEY_ED25519, "ED25519" }, | |
1000 | { EVP_PKEY_ED448, "ED448" }, | |
1001 | { EVP_PKEY_X25519, "X25519" }, | |
1002 | { EVP_PKEY_X448, "X448" }, | |
1003 | { EVP_PKEY_SM2, "SM2" }, | |
1004 | { EVP_PKEY_DH, "DH" }, | |
1005 | { EVP_PKEY_DHX, "X9.42 DH" }, | |
1006 | { EVP_PKEY_DHX, "DHX" }, | |
1007 | { EVP_PKEY_DSA, "DSA" }, | |
1008 | }; | |
1009 | ||
50914496 RL |
1010 | int evp_pkey_name2type(const char *name) |
1011 | { | |
977e95b9 RL |
1012 | int type; |
1013 | size_t i; | |
1014 | ||
1015 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1016 | if (strcasecmp(name, standard_name2type[i].ptr) == 0) | |
1017 | return (int)standard_name2type[i].id; | |
1018 | } | |
1019 | ||
1020 | if ((type = EVP_PKEY_type(OBJ_sn2nid(name))) != NID_undef) | |
1021 | return type; | |
1022 | return EVP_PKEY_type(OBJ_ln2nid(name)); | |
1023 | } | |
1024 | ||
1025 | const char *evp_pkey_type2name(int type) | |
1026 | { | |
1027 | size_t i; | |
1028 | ||
1029 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1030 | if (type == (int)standard_name2type[i].id) | |
1031 | return standard_name2type[i].ptr; | |
1032 | } | |
1033 | ||
1034 | return OBJ_nid2sn(type); | |
50914496 | 1035 | } |
50914496 | 1036 | |
4f76d62f RL |
1037 | int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name) |
1038 | { | |
4f76d62f | 1039 | if (pkey->keymgmt == NULL) { |
50914496 | 1040 | int type = evp_pkey_name2type(name); |
4f76d62f | 1041 | |
50914496 | 1042 | return pkey->type == type; |
4f76d62f | 1043 | } |
4f76d62f RL |
1044 | return EVP_KEYMGMT_is_a(pkey->keymgmt, name); |
1045 | } | |
1046 | ||
ddf0d149 TM |
1047 | int EVP_PKEY_type_names_do_all(const EVP_PKEY *pkey, |
1048 | void (*fn)(const char *name, void *data), | |
1049 | void *data) | |
ae12eac0 RL |
1050 | { |
1051 | if (!evp_pkey_is_typed(pkey)) | |
d84f5515 | 1052 | return 0; |
ae12eac0 RL |
1053 | |
1054 | if (!evp_pkey_is_provided(pkey)) { | |
ed576acd | 1055 | const char *name = OBJ_nid2sn(EVP_PKEY_get_id(pkey)); |
ae12eac0 RL |
1056 | |
1057 | fn(name, data); | |
d84f5515 | 1058 | return 1; |
ae12eac0 | 1059 | } |
d84f5515 | 1060 | return EVP_KEYMGMT_names_do_all(pkey->keymgmt, fn, data); |
ae12eac0 RL |
1061 | } |
1062 | ||
4f76d62f RL |
1063 | int EVP_PKEY_can_sign(const EVP_PKEY *pkey) |
1064 | { | |
1065 | if (pkey->keymgmt == NULL) { | |
ed576acd | 1066 | switch (EVP_PKEY_get_base_id(pkey)) { |
4f76d62f RL |
1067 | case EVP_PKEY_RSA: |
1068 | return 1; | |
0e2f87c0 | 1069 | # ifndef OPENSSL_NO_DSA |
4f76d62f RL |
1070 | case EVP_PKEY_DSA: |
1071 | return 1; | |
0e2f87c0 TM |
1072 | # endif |
1073 | # ifndef OPENSSL_NO_EC | |
4f76d62f RL |
1074 | case EVP_PKEY_ED25519: |
1075 | case EVP_PKEY_ED448: | |
1076 | return 1; | |
1077 | case EVP_PKEY_EC: /* Including SM2 */ | |
1078 | return EC_KEY_can_sign(pkey->pkey.ec); | |
0e2f87c0 | 1079 | # endif |
4f76d62f RL |
1080 | default: |
1081 | break; | |
1082 | } | |
1083 | } else { | |
ed576acd | 1084 | const OSSL_PROVIDER *prov = EVP_KEYMGMT_get0_provider(pkey->keymgmt); |
a829b735 | 1085 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); |
4f76d62f RL |
1086 | const char *supported_sig = |
1087 | pkey->keymgmt->query_operation_name != NULL | |
1088 | ? pkey->keymgmt->query_operation_name(OSSL_OP_SIGNATURE) | |
ed576acd | 1089 | : EVP_KEYMGMT_get0_name(pkey->keymgmt); |
4f76d62f RL |
1090 | EVP_SIGNATURE *signature = NULL; |
1091 | ||
1092 | signature = EVP_SIGNATURE_fetch(libctx, supported_sig, NULL); | |
1093 | if (signature != NULL) { | |
1094 | EVP_SIGNATURE_free(signature); | |
1095 | return 1; | |
1096 | } | |
1097 | } | |
1098 | return 0; | |
1099 | } | |
d02b48c6 | 1100 | |
f1299839 RL |
1101 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
1102 | { | |
1103 | BIO_set_indent(*out, saved_indent); | |
1104 | if (pop_f_prefix) { | |
1105 | BIO *next = BIO_pop(*out); | |
1106 | ||
1107 | BIO_free(*out); | |
1108 | *out = next; | |
1109 | } | |
1110 | return 1; | |
1111 | } | |
1112 | ||
1113 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
1114 | long indent) | |
1115 | { | |
1116 | *pop_f_prefix = 0; | |
1117 | *saved_indent = 0; | |
1118 | if (indent > 0) { | |
1119 | long i = BIO_get_indent(*out); | |
1120 | ||
1121 | *saved_indent = (i < 0 ? 0 : i); | |
1122 | if (BIO_set_indent(*out, indent) <= 0) { | |
1123 | if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) | |
1124 | return 0; | |
1125 | *pop_f_prefix = 1; | |
1126 | } | |
1127 | if (BIO_set_indent(*out, indent) <= 0) { | |
1128 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
1129 | return 0; | |
1130 | } | |
1131 | } | |
1132 | return 1; | |
1133 | } | |
1134 | ||
35208f36 | 1135 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
1136 | const char *kstr) |
1137 | { | |
5310a4e6 P |
1138 | return BIO_indent(out, indent, 128) |
1139 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
1140 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 1141 | } |
35208f36 | 1142 | |
f1299839 | 1143 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
97bb8dff | 1144 | int selection /* For provided encoding */, |
ece9304c | 1145 | const char *propquery /* For provided encoding */, |
f1299839 RL |
1146 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, |
1147 | int indent, ASN1_PCTX *pctx), | |
1148 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 1149 | { |
f1299839 RL |
1150 | int pop_f_prefix; |
1151 | long saved_indent; | |
ece9304c | 1152 | OSSL_ENCODER_CTX *ctx = NULL; |
f1299839 RL |
1153 | int ret = -2; /* default to unsupported */ |
1154 | ||
1155 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
1156 | return 0; | |
54c1711f | 1157 | |
fe75766c TM |
1158 | ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, "TEXT", NULL, |
1159 | propquery); | |
97bb8dff | 1160 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0) |
ece9304c RL |
1161 | ret = OSSL_ENCODER_to_bio(ctx, out); |
1162 | OSSL_ENCODER_CTX_free(ctx); | |
54c1711f RL |
1163 | |
1164 | if (ret != -2) | |
f1299839 | 1165 | goto end; |
54c1711f RL |
1166 | |
1167 | /* legacy fallback */ | |
f1299839 RL |
1168 | if (legacy_print != NULL) |
1169 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
1170 | else | |
1171 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 1172 | |
f1299839 RL |
1173 | end: |
1174 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
1175 | return ret; | |
1176 | } | |
1177 | ||
1178 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
1179 | int indent, ASN1_PCTX *pctx) | |
1180 | { | |
b03da688 | 1181 | return print_pkey(pkey, out, indent, EVP_PKEY_PUBLIC_KEY, NULL, |
f1299839 RL |
1182 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), |
1183 | pctx); | |
0f113f3e | 1184 | } |
35208f36 DSH |
1185 | |
1186 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1187 | int indent, ASN1_PCTX *pctx) |
1188 | { | |
b03da688 | 1189 | return print_pkey(pkey, out, indent, EVP_PKEY_KEYPAIR, NULL, |
f1299839 RL |
1190 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), |
1191 | pctx); | |
0f113f3e | 1192 | } |
35208f36 DSH |
1193 | |
1194 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1195 | int indent, ASN1_PCTX *pctx) |
1196 | { | |
b03da688 | 1197 | return print_pkey(pkey, out, indent, EVP_PKEY_KEY_PARAMETERS, NULL, |
f1299839 RL |
1198 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), |
1199 | pctx); | |
0f113f3e | 1200 | } |
03919683 | 1201 | |
0e2f87c0 TM |
1202 | # ifndef OPENSSL_NO_STDIO |
1203 | int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey, | |
1204 | int indent, ASN1_PCTX *pctx) | |
1205 | { | |
1206 | int ret; | |
1207 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1208 | ||
1209 | if (b == NULL) | |
1210 | return 0; | |
1211 | ret = EVP_PKEY_print_public(b, pkey, indent, pctx); | |
1212 | BIO_free(b); | |
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey, | |
1217 | int indent, ASN1_PCTX *pctx) | |
1218 | { | |
1219 | int ret; | |
1220 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1221 | ||
1222 | if (b == NULL) | |
1223 | return 0; | |
1224 | ret = EVP_PKEY_print_private(b, pkey, indent, pctx); | |
1225 | BIO_free(b); | |
1226 | return ret; | |
1227 | } | |
1228 | ||
1229 | int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey, | |
1230 | int indent, ASN1_PCTX *pctx) | |
1231 | { | |
1232 | int ret; | |
1233 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1234 | ||
1235 | if (b == NULL) | |
1236 | return 0; | |
1237 | ret = EVP_PKEY_print_params(b, pkey, indent, pctx); | |
1238 | BIO_free(b); | |
1239 | return ret; | |
1240 | } | |
1241 | # endif | |
1242 | ||
fc52ae8c | 1243 | static void mdname2nid(const char *mdname, void *data) |
5060cd5f MC |
1244 | { |
1245 | int *nid = (int *)data; | |
1246 | ||
1247 | if (*nid != NID_undef) | |
1248 | return; | |
1249 | ||
1250 | *nid = OBJ_sn2nid(mdname); | |
1251 | if (*nid == NID_undef) | |
1252 | *nid = OBJ_ln2nid(mdname); | |
1253 | } | |
1254 | ||
ead0d234 RL |
1255 | static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, |
1256 | int arg1, void *arg2) | |
1257 | { | |
3c6ed955 | 1258 | if (pkey->keymgmt == NULL) |
ead0d234 RL |
1259 | return 0; |
1260 | switch (op) { | |
1261 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: | |
1262 | { | |
1263 | char mdname[80] = ""; | |
ead0d234 RL |
1264 | int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, |
1265 | sizeof(mdname)); | |
1266 | ||
90ef39f4 | 1267 | if (rv > 0) { |
5060cd5f MC |
1268 | int mdnum; |
1269 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(pkey->keymgmt->prov); | |
1270 | /* Make sure the MD is in the namemap if available */ | |
3c15d677 SL |
1271 | EVP_MD *md; |
1272 | OSSL_NAMEMAP *namemap; | |
5060cd5f MC |
1273 | int nid = NID_undef; |
1274 | ||
3c15d677 SL |
1275 | (void)ERR_set_mark(); |
1276 | md = EVP_MD_fetch(libctx, mdname, NULL); | |
1277 | (void)ERR_pop_to_mark(); | |
1278 | namemap = ossl_namemap_stored(libctx); | |
1279 | ||
5060cd5f MC |
1280 | /* |
1281 | * The only reason to fetch the MD was to make sure it is in the | |
1282 | * namemap. We can immediately free it. | |
1283 | */ | |
1284 | EVP_MD_free(md); | |
1285 | mdnum = ossl_namemap_name2num(namemap, mdname); | |
1286 | if (mdnum == 0) | |
1287 | return 0; | |
1288 | ||
1289 | /* | |
1290 | * We have the namemap number - now we need to find the | |
1291 | * associated nid | |
1292 | */ | |
d84f5515 MC |
1293 | if (!ossl_namemap_doall_names(namemap, mdnum, mdname2nid, &nid)) |
1294 | return 0; | |
90ef39f4 RL |
1295 | *(int *)arg2 = nid; |
1296 | } | |
1297 | return rv; | |
ead0d234 RL |
1298 | } |
1299 | default: | |
1300 | return -2; | |
1301 | } | |
1302 | } | |
1303 | ||
5d6aaf8a | 1304 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 1305 | { |
ead0d234 RL |
1306 | if (pkey->ameth == NULL) |
1307 | return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); | |
1308 | if (pkey->ameth->pkey_ctrl == NULL) | |
0f113f3e | 1309 | return -2; |
5d6aaf8a DSH |
1310 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
1311 | } | |
1312 | ||
1313 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
1314 | { | |
1315 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
1316 | } | |
1317 | ||
ead0d234 RL |
1318 | int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, |
1319 | char *mdname, size_t mdname_sz) | |
1320 | { | |
3b924da0 RL |
1321 | if (pkey->ameth == NULL) |
1322 | return evp_keymgmt_util_get_deflt_digest_name(pkey->keymgmt, | |
1323 | pkey->keydata, | |
1324 | mdname, mdname_sz); | |
ead0d234 RL |
1325 | |
1326 | { | |
1327 | int nid = NID_undef; | |
1328 | int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); | |
1329 | const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; | |
1330 | ||
1331 | if (rv > 0) | |
1332 | OPENSSL_strlcpy(mdname, name, mdname_sz); | |
1333 | return rv; | |
1334 | } | |
1335 | } | |
1336 | ||
88bddad4 RL |
1337 | int EVP_PKEY_get_group_name(const EVP_PKEY *pkey, char *gname, size_t gname_sz, |
1338 | size_t *gname_len) | |
1339 | { | |
6fcd92d3 RL |
1340 | return EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_GROUP_NAME, |
1341 | gname, gname_sz, gname_len); | |
88bddad4 RL |
1342 | } |
1343 | ||
e9fe0f7e TM |
1344 | int EVP_PKEY_digestsign_supports_digest(EVP_PKEY *pkey, OSSL_LIB_CTX *libctx, |
1345 | const char *name, const char *propq) | |
ecbb2fca | 1346 | { |
e9fe0f7e TM |
1347 | int rv; |
1348 | EVP_MD_CTX *ctx = NULL; | |
ecbb2fca | 1349 | |
e9fe0f7e TM |
1350 | if ((ctx = EVP_MD_CTX_new()) == NULL) |
1351 | return -1; | |
1352 | ||
1353 | ERR_set_mark(); | |
1354 | rv = EVP_DigestSignInit_ex(ctx, NULL, name, libctx, | |
1355 | propq, pkey, NULL); | |
1356 | ERR_pop_to_mark(); | |
1357 | ||
1358 | EVP_MD_CTX_free(ctx); | |
ecbb2fca DW |
1359 | return rv; |
1360 | } | |
1361 | ||
5ac8fb58 MC |
1362 | int EVP_PKEY_set1_encoded_public_key(EVP_PKEY *pkey, const unsigned char *pub, |
1363 | size_t publen) | |
5d6aaf8a | 1364 | { |
76624df1 RL |
1365 | if (pkey != NULL && evp_pkey_is_provided(pkey)) |
1366 | return | |
1367 | EVP_PKEY_set_octet_string_param(pkey, | |
1368 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1369 | (unsigned char *)pub, publen); | |
6a9bd929 | 1370 | |
5ac8fb58 | 1371 | if (publen > INT_MAX) |
5d6aaf8a | 1372 | return 0; |
5ac8fb58 MC |
1373 | /* Historically this function was EVP_PKEY_set1_tls_encodedpoint */ |
1374 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, publen, | |
1375 | (void *)pub) <= 0) | |
5d6aaf8a DSH |
1376 | return 0; |
1377 | return 1; | |
1378 | } | |
1379 | ||
5ac8fb58 | 1380 | size_t EVP_PKEY_get1_encoded_public_key(EVP_PKEY *pkey, unsigned char **ppub) |
5d6aaf8a DSH |
1381 | { |
1382 | int rv; | |
6a9bd929 | 1383 | |
76624df1 RL |
1384 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
1385 | size_t return_size = OSSL_PARAM_UNMODIFIED; | |
6a9bd929 | 1386 | |
76624df1 RL |
1387 | /* |
1388 | * We know that this is going to fail, but it will give us a size | |
1389 | * to allocate. | |
1390 | */ | |
1391 | EVP_PKEY_get_octet_string_param(pkey, | |
1392 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1393 | NULL, 0, &return_size); | |
1394 | if (return_size == OSSL_PARAM_UNMODIFIED) | |
6a9bd929 MC |
1395 | return 0; |
1396 | ||
76624df1 | 1397 | *ppub = OPENSSL_malloc(return_size); |
5ac8fb58 | 1398 | if (*ppub == NULL) |
6a9bd929 MC |
1399 | return 0; |
1400 | ||
76624df1 RL |
1401 | if (!EVP_PKEY_get_octet_string_param(pkey, |
1402 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1403 | *ppub, return_size, NULL)) | |
6a9bd929 | 1404 | return 0; |
76624df1 | 1405 | return return_size; |
6a9bd929 MC |
1406 | } |
1407 | ||
1408 | ||
5ac8fb58 | 1409 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppub); |
5d6aaf8a DSH |
1410 | if (rv <= 0) |
1411 | return 0; | |
1412 | return rv; | |
0f113f3e | 1413 | } |
e683582b | 1414 | |
f844f9eb | 1415 | #endif /* FIPS_MODULE */ |
e683582b | 1416 | |
f844f9eb | 1417 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
1418 | |
1419 | EVP_PKEY *EVP_PKEY_new(void) | |
1420 | { | |
1421 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
1422 | ||
1423 | if (ret == NULL) { | |
9311d0c4 | 1424 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
e683582b SL |
1425 | return NULL; |
1426 | } | |
4ce1025a | 1427 | |
b574c6a9 MC |
1428 | ret->type = EVP_PKEY_NONE; |
1429 | ret->save_type = EVP_PKEY_NONE; | |
1430 | ret->references = 1; | |
4ce1025a | 1431 | |
8dc34b1f DB |
1432 | ret->lock = CRYPTO_THREAD_lock_new(); |
1433 | if (ret->lock == NULL) { | |
1434 | EVPerr(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1435 | goto err; | |
1436 | } | |
1437 | ||
f844f9eb | 1438 | #ifndef FIPS_MODULE |
b247113c | 1439 | ret->save_parameters = 1; |
ff1f7cde | 1440 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, ret, &ret->ex_data)) { |
9311d0c4 | 1441 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
ff1f7cde | 1442 | goto err; |
e683582b | 1443 | } |
ff1f7cde | 1444 | #endif |
e683582b | 1445 | return ret; |
ff1f7cde AT |
1446 | |
1447 | err: | |
1448 | CRYPTO_THREAD_lock_free(ret->lock); | |
1449 | OPENSSL_free(ret); | |
1450 | return NULL; | |
e683582b SL |
1451 | } |
1452 | ||
8243d8d1 RL |
1453 | /* |
1454 | * Setup a public key management method. | |
1455 | * | |
1456 | * For legacy keys, either |type| or |str| is expected to have the type | |
1457 | * information. In this case, the setup consists of finding an ASN1 method | |
1458 | * and potentially an ENGINE, and setting those fields in |pkey|. | |
1459 | * | |
1460 | * For provider side keys, |keymgmt| is expected to be non-NULL. In this | |
1461 | * case, the setup consists of setting the |keymgmt| field in |pkey|. | |
1462 | * | |
1463 | * If pkey is NULL just return 1 or 0 if the key management method exists. | |
1464 | */ | |
1465 | ||
1466 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, | |
1467 | int len, EVP_KEYMGMT *keymgmt) | |
1468 | { | |
f844f9eb | 1469 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1470 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; |
1471 | ENGINE **eptr = (e == NULL) ? &e : NULL; | |
1472 | #endif | |
1473 | ||
1474 | /* | |
1475 | * The setups can't set both legacy and provider side methods. | |
1476 | * It is forbidden | |
1477 | */ | |
1478 | if (!ossl_assert(type == EVP_PKEY_NONE || keymgmt == NULL) | |
1479 | || !ossl_assert(e == NULL || keymgmt == NULL)) { | |
1480 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | if (pkey != NULL) { | |
1485 | int free_it = 0; | |
1486 | ||
f844f9eb | 1487 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1488 | free_it = free_it || pkey->pkey.ptr != NULL; |
1489 | #endif | |
1490 | free_it = free_it || pkey->keydata != NULL; | |
1491 | if (free_it) | |
1492 | evp_pkey_free_it(pkey); | |
f844f9eb | 1493 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1494 | /* |
1495 | * If key type matches and a method exists then this lookup has | |
1496 | * succeeded once so just indicate success. | |
1497 | */ | |
1498 | if (pkey->type != EVP_PKEY_NONE | |
1499 | && type == pkey->save_type | |
1500 | && pkey->ameth != NULL) | |
1501 | return 1; | |
1502 | # ifndef OPENSSL_NO_ENGINE | |
1503 | /* If we have ENGINEs release them */ | |
1504 | ENGINE_finish(pkey->engine); | |
1505 | pkey->engine = NULL; | |
1506 | ENGINE_finish(pkey->pmeth_engine); | |
1507 | pkey->pmeth_engine = NULL; | |
1508 | # endif | |
1509 | #endif | |
1510 | } | |
f844f9eb | 1511 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1512 | if (str != NULL) |
1513 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); | |
1514 | else if (type != EVP_PKEY_NONE) | |
1515 | ameth = EVP_PKEY_asn1_find(eptr, type); | |
1516 | # ifndef OPENSSL_NO_ENGINE | |
1517 | if (pkey == NULL && eptr != NULL) | |
1518 | ENGINE_finish(e); | |
1519 | # endif | |
1520 | #endif | |
1521 | ||
1522 | ||
1523 | { | |
1524 | int check = 1; | |
1525 | ||
f844f9eb | 1526 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1527 | check = check && ameth == NULL; |
1528 | #endif | |
1529 | check = check && keymgmt == NULL; | |
1530 | if (check) { | |
9311d0c4 | 1531 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
8243d8d1 RL |
1532 | return 0; |
1533 | } | |
1534 | } | |
1535 | if (pkey != NULL) { | |
1536 | if (keymgmt != NULL && !EVP_KEYMGMT_up_ref(keymgmt)) { | |
1537 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1538 | return 0; | |
1539 | } | |
1540 | ||
1541 | pkey->keymgmt = keymgmt; | |
1542 | ||
1543 | pkey->save_type = type; | |
1544 | pkey->type = type; | |
1545 | ||
f844f9eb | 1546 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1547 | /* |
1548 | * If the internal "origin" key is provider side, don't save |ameth|. | |
1549 | * The main reason is that |ameth| is one factor to detect that the | |
1550 | * internal "origin" key is a legacy one. | |
1551 | */ | |
1552 | if (keymgmt == NULL) | |
1553 | pkey->ameth = ameth; | |
1554 | pkey->engine = e; | |
1555 | ||
1556 | /* | |
5e5bc836 RL |
1557 | * The EVP_PKEY_ASN1_METHOD |pkey_id| retains its legacy key purpose |
1558 | * for any key type that has a legacy implementation, regardless of | |
1559 | * if the internal key is a legacy or a provider side one. When | |
1560 | * there is no legacy implementation for the key, the type becomes | |
1561 | * EVP_PKEY_KEYMGMT, which indicates that one should be cautious | |
1562 | * with functions that expect legacy internal keys. | |
8243d8d1 | 1563 | */ |
28fd8953 MC |
1564 | if (ameth != NULL) { |
1565 | if (type == EVP_PKEY_NONE) | |
1566 | pkey->type = ameth->pkey_id; | |
1567 | } else { | |
5e5bc836 | 1568 | pkey->type = EVP_PKEY_KEYMGMT; |
28fd8953 | 1569 | } |
8243d8d1 RL |
1570 | #endif |
1571 | } | |
1572 | return 1; | |
1573 | } | |
1574 | ||
f844f9eb | 1575 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1576 | static void find_ameth(const char *name, void *data) |
1577 | { | |
1578 | const char **str = data; | |
1579 | ||
1580 | /* | |
1581 | * The error messages from pkey_set_type() are uninteresting here, | |
1582 | * and misleading. | |
1583 | */ | |
1584 | ERR_set_mark(); | |
1585 | ||
1586 | if (pkey_set_type(NULL, NULL, EVP_PKEY_NONE, name, strlen(name), | |
1587 | NULL)) { | |
1588 | if (str[0] == NULL) | |
1589 | str[0] = name; | |
1590 | else if (str[1] == NULL) | |
1591 | str[1] = name; | |
1592 | } | |
1593 | ||
1594 | ERR_pop_to_mark(); | |
1595 | } | |
1596 | #endif | |
1597 | ||
1598 | int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt) | |
1599 | { | |
f844f9eb | 1600 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1601 | # define EVP_PKEY_TYPE_STR str[0] |
1602 | # define EVP_PKEY_TYPE_STRLEN (str[0] == NULL ? -1 : (int)strlen(str[0])) | |
1603 | /* | |
1604 | * Find at most two strings that have an associated EVP_PKEY_ASN1_METHOD | |
1605 | * Ideally, only one should be found. If two (or more) are found, the | |
1606 | * match is ambiguous. This should never happen, but... | |
1607 | */ | |
1608 | const char *str[2] = { NULL, NULL }; | |
1609 | ||
d84f5515 MC |
1610 | if (!EVP_KEYMGMT_names_do_all(keymgmt, find_ameth, &str) |
1611 | || str[1] != NULL) { | |
8243d8d1 RL |
1612 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); |
1613 | return 0; | |
1614 | } | |
1615 | #else | |
1616 | # define EVP_PKEY_TYPE_STR NULL | |
1617 | # define EVP_PKEY_TYPE_STRLEN -1 | |
1618 | #endif | |
1619 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, | |
1620 | EVP_PKEY_TYPE_STR, EVP_PKEY_TYPE_STRLEN, | |
1621 | keymgmt); | |
1622 | ||
1623 | #undef EVP_PKEY_TYPE_STR | |
1624 | #undef EVP_PKEY_TYPE_STRLEN | |
1625 | } | |
1626 | ||
e683582b SL |
1627 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
1628 | { | |
1629 | int i; | |
1630 | ||
1631 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
1632 | return 0; | |
1633 | ||
1634 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
1635 | REF_ASSERT_ISNT(i < 2); | |
1636 | return ((i > 1) ? 1 : 0); | |
1637 | } | |
1638 | ||
f844f9eb | 1639 | #ifndef FIPS_MODULE |
2145ba5e TM |
1640 | EVP_PKEY *EVP_PKEY_dup(EVP_PKEY *pkey) |
1641 | { | |
1642 | EVP_PKEY *dup_pk; | |
1643 | ||
1644 | if (pkey == NULL) { | |
1645 | ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_NULL_PARAMETER); | |
1646 | return NULL; | |
1647 | } | |
1648 | ||
1649 | if ((dup_pk = EVP_PKEY_new()) == NULL) | |
1650 | return NULL; | |
1651 | ||
1652 | if (evp_pkey_is_blank(pkey)) | |
1653 | goto done; | |
1654 | ||
1655 | if (evp_pkey_is_provided(pkey)) { | |
1656 | if (!evp_keymgmt_util_copy(dup_pk, pkey, | |
1657 | OSSL_KEYMGMT_SELECT_ALL)) | |
1658 | goto err; | |
1659 | goto done; | |
1660 | } | |
1661 | ||
1662 | if (evp_pkey_is_legacy(pkey)) { | |
1663 | const EVP_PKEY_ASN1_METHOD *ameth = pkey->ameth; | |
1664 | ||
1665 | if (ameth == NULL || ameth->copy == NULL) { | |
1666 | if (pkey->pkey.ptr == NULL /* empty key, just set type */ | |
1667 | && EVP_PKEY_set_type(dup_pk, pkey->type) != 0) | |
1668 | goto done; | |
1669 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_KEY_TYPE); | |
1670 | goto err; | |
1671 | } | |
1672 | if (!ameth->copy(dup_pk, pkey)) | |
1673 | goto err; | |
1674 | goto done; | |
1675 | } | |
1676 | ||
1677 | goto err; | |
1678 | done: | |
1679 | /* copy auxiliary data */ | |
1680 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, | |
1681 | &dup_pk->ex_data, &pkey->ex_data)) | |
1682 | goto err; | |
1683 | ||
1684 | if (pkey->attributes != NULL) { | |
1685 | if ((dup_pk->attributes = ossl_x509at_dup(pkey->attributes)) == NULL) | |
1686 | goto err; | |
1687 | } | |
1688 | return dup_pk; | |
1689 | err: | |
1690 | EVP_PKEY_free(dup_pk); | |
1691 | return NULL; | |
1692 | } | |
1693 | ||
62924755 | 1694 | void evp_pkey_free_legacy(EVP_PKEY *x) |
badf51c8 | 1695 | { |
b574c6a9 MC |
1696 | const EVP_PKEY_ASN1_METHOD *ameth = x->ameth; |
1697 | ENGINE *tmpe = NULL; | |
1698 | ||
1699 | if (ameth == NULL && x->legacy_cache_pkey.ptr != NULL) | |
1700 | ameth = EVP_PKEY_asn1_find(&tmpe, x->type); | |
1701 | ||
1702 | if (ameth != NULL) { | |
1703 | if (x->legacy_cache_pkey.ptr != NULL) { | |
1704 | /* | |
1705 | * We should never have both a legacy origin key, and a key in the | |
1706 | * legacy cache. | |
1707 | */ | |
1708 | assert(x->pkey.ptr == NULL); | |
1709 | /* | |
1710 | * For the purposes of freeing we make the legacy cache look like | |
1711 | * a legacy origin key. | |
1712 | */ | |
1713 | x->pkey = x->legacy_cache_pkey; | |
1714 | x->legacy_cache_pkey.ptr = NULL; | |
1715 | } | |
1716 | if (ameth->pkey_free != NULL) | |
1717 | ameth->pkey_free(x); | |
badf51c8 | 1718 | x->pkey.ptr = NULL; |
badf51c8 RL |
1719 | } |
1720 | # ifndef OPENSSL_NO_ENGINE | |
b574c6a9 | 1721 | ENGINE_finish(tmpe); |
badf51c8 RL |
1722 | ENGINE_finish(x->engine); |
1723 | x->engine = NULL; | |
1724 | ENGINE_finish(x->pmeth_engine); | |
1725 | x->pmeth_engine = NULL; | |
1726 | # endif | |
badf51c8 | 1727 | } |
f844f9eb | 1728 | #endif /* FIPS_MODULE */ |
badf51c8 | 1729 | |
e683582b SL |
1730 | static void evp_pkey_free_it(EVP_PKEY *x) |
1731 | { | |
1732 | /* internal function; x is never NULL */ | |
0b07db6f | 1733 | evp_keymgmt_util_clear_operation_cache(x, 1); |
f844f9eb | 1734 | #ifndef FIPS_MODULE |
badf51c8 RL |
1735 | evp_pkey_free_legacy(x); |
1736 | #endif | |
e683582b | 1737 | |
3c6ed955 RL |
1738 | if (x->keymgmt != NULL) { |
1739 | evp_keymgmt_freedata(x->keymgmt, x->keydata); | |
1740 | EVP_KEYMGMT_free(x->keymgmt); | |
1741 | x->keymgmt = NULL; | |
1742 | x->keydata = NULL; | |
1743 | } | |
5e5bc836 | 1744 | x->type = EVP_PKEY_NONE; |
e683582b SL |
1745 | } |
1746 | ||
1747 | void EVP_PKEY_free(EVP_PKEY *x) | |
1748 | { | |
1749 | int i; | |
1750 | ||
1751 | if (x == NULL) | |
1752 | return; | |
1753 | ||
1754 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
1755 | REF_PRINT_COUNT("EVP_PKEY", x); | |
1756 | if (i > 0) | |
1757 | return; | |
1758 | REF_ASSERT_ISNT(i < 0); | |
1759 | evp_pkey_free_it(x); | |
f844f9eb | 1760 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1761 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, x, &x->ex_data); |
1762 | #endif | |
e683582b | 1763 | CRYPTO_THREAD_lock_free(x->lock); |
f844f9eb | 1764 | #ifndef FIPS_MODULE |
e683582b SL |
1765 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
1766 | #endif | |
1767 | OPENSSL_free(x); | |
1768 | } | |
1769 | ||
ed576acd | 1770 | int EVP_PKEY_get_size(const EVP_PKEY *pkey) |
e683582b | 1771 | { |
adc9f731 RL |
1772 | int size = 0; |
1773 | ||
6508e858 | 1774 | if (pkey != NULL) { |
adc9f731 | 1775 | size = pkey->cache.size; |
f844f9eb | 1776 | #ifndef FIPS_MODULE |
adc9f731 RL |
1777 | if (pkey->ameth != NULL && pkey->ameth->pkey_size != NULL) |
1778 | size = pkey->ameth->pkey_size(pkey); | |
1779 | #endif | |
6508e858 | 1780 | } |
030da844 | 1781 | return size < 0 ? 0 : size; |
e683582b | 1782 | } |
f6aa5774 | 1783 | |
ed576acd | 1784 | const char *EVP_PKEY_get0_description(const EVP_PKEY *pkey) |
03888233 RL |
1785 | { |
1786 | if (!evp_pkey_is_assigned(pkey)) | |
1787 | return NULL; | |
1788 | ||
1789 | if (evp_pkey_is_provided(pkey) && pkey->keymgmt->description != NULL) | |
1790 | return pkey->keymgmt->description; | |
1791 | #ifndef FIPS_MODULE | |
1792 | if (pkey->ameth != NULL) | |
1793 | return pkey->ameth->info; | |
1794 | #endif | |
1795 | return NULL; | |
1796 | } | |
1797 | ||
b4250010 | 1798 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
1799 | EVP_KEYMGMT **keymgmt, |
1800 | const char *propquery) | |
f6aa5774 RL |
1801 | { |
1802 | EVP_KEYMGMT *allocated_keymgmt = NULL; | |
1803 | EVP_KEYMGMT *tmp_keymgmt = NULL; | |
b305452f | 1804 | void *keydata = NULL; |
adc9f731 | 1805 | int check; |
f6aa5774 RL |
1806 | |
1807 | if (pk == NULL) | |
1808 | return NULL; | |
1809 | ||
adc9f731 RL |
1810 | /* No key data => nothing to export */ |
1811 | check = 1; | |
f844f9eb | 1812 | #ifndef FIPS_MODULE |
adc9f731 RL |
1813 | check = check && pk->pkey.ptr == NULL; |
1814 | #endif | |
1815 | check = check && pk->keydata == NULL; | |
1816 | if (check) | |
1817 | return NULL; | |
1818 | ||
f844f9eb | 1819 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1820 | if (pk->pkey.ptr != NULL) { |
3f7ce7f1 | 1821 | /* |
3c6ed955 RL |
1822 | * If the legacy key doesn't have an dirty counter or export function, |
1823 | * give up | |
3f7ce7f1 | 1824 | */ |
3c6ed955 RL |
1825 | if (pk->ameth->dirty_cnt == NULL || pk->ameth->export_to == NULL) |
1826 | return NULL; | |
3f7ce7f1 RL |
1827 | } |
1828 | #endif | |
1829 | ||
3c6ed955 RL |
1830 | if (keymgmt != NULL) { |
1831 | tmp_keymgmt = *keymgmt; | |
1832 | *keymgmt = NULL; | |
1833 | } | |
1834 | ||
4b9e90f4 RL |
1835 | /* |
1836 | * If no keymgmt was given or found, get a default keymgmt. We do so by | |
1837 | * letting EVP_PKEY_CTX_new_from_pkey() do it for us, then we steal it. | |
1838 | */ | |
f6aa5774 | 1839 | if (tmp_keymgmt == NULL) { |
2ee4a50a | 1840 | EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); |
f6aa5774 | 1841 | |
4b9e90f4 RL |
1842 | tmp_keymgmt = ctx->keymgmt; |
1843 | ctx->keymgmt = NULL; | |
f6aa5774 RL |
1844 | EVP_PKEY_CTX_free(ctx); |
1845 | } | |
1846 | ||
3c6ed955 | 1847 | /* If there's still no keymgmt to be had, give up */ |
3f7ce7f1 RL |
1848 | if (tmp_keymgmt == NULL) |
1849 | goto end; | |
f6aa5774 | 1850 | |
f844f9eb | 1851 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1852 | if (pk->pkey.ptr != NULL) { |
64954e2f | 1853 | OP_CACHE_ELEM *op; |
3f7ce7f1 RL |
1854 | |
1855 | /* | |
3c6ed955 RL |
1856 | * If the legacy "origin" hasn't changed since last time, we try |
1857 | * to find our keymgmt in the operation cache. If it has changed, | |
1858 | * |i| remains zero, and we will clear the cache further down. | |
3f7ce7f1 | 1859 | */ |
3c6ed955 | 1860 | if (pk->ameth->dirty_cnt(pk) == pk->dirty_cnt_copy) { |
0b07db6f MC |
1861 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
1862 | goto end; | |
64954e2f | 1863 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); |
3c6ed955 RL |
1864 | |
1865 | /* | |
1866 | * If |tmp_keymgmt| is present in the operation cache, it means | |
1867 | * that export doesn't need to be redone. In that case, we take | |
1868 | * token copies of the cached pointers, to have token success | |
1869 | * values to return. | |
1870 | */ | |
64954e2f P |
1871 | if (op != NULL && op->keymgmt != NULL) { |
1872 | keydata = op->keydata; | |
0b07db6f | 1873 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1874 | goto end; |
1875 | } | |
0b07db6f | 1876 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1877 | } |
1878 | ||
3f7ce7f1 | 1879 | /* Make sure that the keymgmt key type matches the legacy NID */ |
0fc39c90 | 1880 | if (!EVP_KEYMGMT_is_a(tmp_keymgmt, OBJ_nid2sn(pk->type))) |
3f7ce7f1 RL |
1881 | goto end; |
1882 | ||
1883 | if ((keydata = evp_keymgmt_newdata(tmp_keymgmt)) == NULL) | |
1884 | goto end; | |
1885 | ||
bed7437b RL |
1886 | if (!pk->ameth->export_to(pk, keydata, tmp_keymgmt->import, |
1887 | libctx, propquery)) { | |
3f7ce7f1 RL |
1888 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1889 | keydata = NULL; | |
1890 | goto end; | |
1891 | } | |
1892 | ||
3c6ed955 RL |
1893 | /* |
1894 | * If the dirty counter changed since last time, then clear the | |
1895 | * operation cache. In that case, we know that |i| is zero. Just | |
1896 | * in case this is a re-export, we increment then decrement the | |
1897 | * keymgmt reference counter. | |
1898 | */ | |
1899 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { /* refcnt++ */ | |
1900 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1901 | keydata = NULL; | |
1902 | goto end; | |
1903 | } | |
0b07db6f MC |
1904 | |
1905 | if (!CRYPTO_THREAD_write_lock(pk->lock)) | |
1906 | goto end; | |
1907 | if (pk->ameth->dirty_cnt(pk) != pk->dirty_cnt_copy | |
1908 | && !evp_keymgmt_util_clear_operation_cache(pk, 0)) { | |
1909 | CRYPTO_THREAD_unlock(pk->lock); | |
1910 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1911 | keydata = NULL; | |
1912 | EVP_KEYMGMT_free(tmp_keymgmt); | |
1913 | goto end; | |
1914 | } | |
3c6ed955 RL |
1915 | EVP_KEYMGMT_free(tmp_keymgmt); /* refcnt-- */ |
1916 | ||
64954e2f P |
1917 | /* Check to make sure some other thread didn't get there first */ |
1918 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); | |
1919 | if (op != NULL && op->keymgmt != NULL) { | |
1920 | void *tmp_keydata = op->keydata; | |
1921 | ||
1922 | CRYPTO_THREAD_unlock(pk->lock); | |
1923 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1924 | keydata = tmp_keydata; | |
1925 | goto end; | |
1926 | } | |
1927 | ||
3c6ed955 | 1928 | /* Add the new export to the operation cache */ |
64954e2f | 1929 | if (!evp_keymgmt_util_cache_keydata(pk, tmp_keymgmt, keydata)) { |
0b07db6f | 1930 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1931 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1932 | keydata = NULL; | |
1933 | goto end; | |
1934 | } | |
3f7ce7f1 RL |
1935 | |
1936 | /* Synchronize the dirty count */ | |
1937 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
4a9fe33c | 1938 | |
0b07db6f | 1939 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1940 | goto end; |
1941 | } | |
f844f9eb | 1942 | #endif /* FIPS_MODULE */ |
3f7ce7f1 RL |
1943 | |
1944 | keydata = evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt); | |
1945 | ||
1946 | end: | |
f6aa5774 RL |
1947 | /* |
1948 | * If nothing was exported, |tmp_keymgmt| might point at a freed | |
1949 | * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for | |
1950 | * the caller either way in that case. | |
1951 | */ | |
b305452f | 1952 | if (keydata == NULL) |
f6aa5774 RL |
1953 | tmp_keymgmt = NULL; |
1954 | ||
1955 | if (keymgmt != NULL) | |
1956 | *keymgmt = tmp_keymgmt; | |
1957 | ||
1958 | EVP_KEYMGMT_free(allocated_keymgmt); | |
b305452f | 1959 | return keydata; |
f6aa5774 | 1960 | } |
badf51c8 | 1961 | |
f844f9eb | 1962 | #ifndef FIPS_MODULE |
4ce1025a | 1963 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src) |
badf51c8 | 1964 | { |
4ce1025a RL |
1965 | if (!ossl_assert(dest != NULL)) |
1966 | return 0; | |
badf51c8 | 1967 | |
4ce1025a RL |
1968 | if (evp_pkey_is_assigned(src) && evp_pkey_is_provided(src)) { |
1969 | EVP_KEYMGMT *keymgmt = src->keymgmt; | |
1970 | void *keydata = src->keydata; | |
1971 | int type = src->type; | |
1972 | const char *keytype = NULL; | |
acb90ba8 | 1973 | |
ed576acd | 1974 | keytype = EVP_KEYMGMT_get0_name(keymgmt); |
badf51c8 | 1975 | |
4ce1025a RL |
1976 | /* |
1977 | * If the type is EVP_PKEY_NONE, then we have a problem somewhere | |
1978 | * else in our code. If it's not one of the well known EVP_PKEY_xxx | |
1979 | * values, it should at least be EVP_PKEY_KEYMGMT at this point. | |
37cddb2e | 1980 | * The check is kept as a safety measure. |
4ce1025a RL |
1981 | */ |
1982 | if (!ossl_assert(type != EVP_PKEY_NONE)) { | |
1983 | ERR_raise_data(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR, | |
1984 | "keymgmt key type = %s but legacy type = EVP_PKEY_NONE", | |
1985 | keytype); | |
1986 | return 0; | |
1987 | } | |
badf51c8 | 1988 | |
4ce1025a RL |
1989 | /* Prefer the legacy key type name for error reporting */ |
1990 | if (type != EVP_PKEY_KEYMGMT) | |
1991 | keytype = OBJ_nid2sn(type); | |
5e5bc836 | 1992 | |
4ce1025a | 1993 | /* Make sure we have a clean slate to copy into */ |
ec961f86 | 1994 | if (*dest == NULL) { |
4ce1025a | 1995 | *dest = EVP_PKEY_new(); |
ec961f86 MC |
1996 | if (*dest == NULL) { |
1997 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1998 | return 0; | |
1999 | } | |
2000 | } else { | |
4ce1025a | 2001 | evp_pkey_free_it(*dest); |
ec961f86 | 2002 | } |
badf51c8 | 2003 | |
4ce1025a RL |
2004 | if (EVP_PKEY_set_type(*dest, type)) { |
2005 | /* If the key is typed but empty, we're done */ | |
2006 | if (keydata == NULL) | |
2007 | return 1; | |
629c72db | 2008 | |
4ce1025a RL |
2009 | if ((*dest)->ameth->import_from == NULL) { |
2010 | ERR_raise_data(ERR_LIB_EVP, EVP_R_NO_IMPORT_FUNCTION, | |
2011 | "key type = %s", keytype); | |
2012 | } else { | |
629c72db | 2013 | /* |
4ce1025a RL |
2014 | * We perform the export in the same libctx as the keymgmt |
2015 | * that we are using. | |
629c72db | 2016 | */ |
b4250010 | 2017 | OSSL_LIB_CTX *libctx = |
a829b735 | 2018 | ossl_provider_libctx(keymgmt->prov); |
4ce1025a RL |
2019 | EVP_PKEY_CTX *pctx = |
2020 | EVP_PKEY_CTX_new_from_pkey(libctx, *dest, NULL); | |
629c72db | 2021 | |
4ce1025a RL |
2022 | if (pctx == NULL) |
2023 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
629c72db | 2024 | |
4ce1025a RL |
2025 | if (pctx != NULL |
2026 | && evp_keymgmt_export(keymgmt, keydata, | |
2027 | OSSL_KEYMGMT_SELECT_ALL, | |
2028 | (*dest)->ameth->import_from, | |
2029 | pctx)) { | |
2030 | /* Synchronize the dirty count */ | |
2031 | (*dest)->dirty_cnt_copy = (*dest)->ameth->dirty_cnt(*dest); | |
2032 | ||
2033 | EVP_PKEY_CTX_free(pctx); | |
2034 | return 1; | |
2035 | } | |
2036 | EVP_PKEY_CTX_free(pctx); | |
629c72db | 2037 | } |
badf51c8 | 2038 | |
4ce1025a RL |
2039 | ERR_raise_data(ERR_LIB_EVP, EVP_R_KEYMGMT_EXPORT_FAILURE, |
2040 | "key type = %s", keytype); | |
2041 | } | |
badf51c8 RL |
2042 | } |
2043 | ||
4ce1025a RL |
2044 | return 0; |
2045 | } | |
2046 | ||
b574c6a9 | 2047 | void *evp_pkey_get_legacy(EVP_PKEY *pk) |
4ce1025a | 2048 | { |
b574c6a9 MC |
2049 | EVP_PKEY *tmp_copy = NULL; |
2050 | void *ret = NULL; | |
a8154452 RL |
2051 | |
2052 | if (!ossl_assert(pk != NULL)) | |
b574c6a9 | 2053 | return NULL; |
a8154452 RL |
2054 | |
2055 | /* | |
b574c6a9 MC |
2056 | * If this isn't an assigned provider side key, we just use any existing |
2057 | * origin legacy key. | |
a8154452 | 2058 | */ |
b574c6a9 MC |
2059 | if (!evp_pkey_is_assigned(pk)) |
2060 | return NULL; | |
2061 | if (!evp_pkey_is_provided(pk)) | |
2062 | return pk->pkey.ptr; | |
4ce1025a | 2063 | |
b574c6a9 MC |
2064 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
2065 | return NULL; | |
4ce1025a | 2066 | |
b574c6a9 | 2067 | ret = pk->legacy_cache_pkey.ptr; |
4ce1025a | 2068 | |
b574c6a9 MC |
2069 | if (!CRYPTO_THREAD_unlock(pk->lock)) |
2070 | return NULL; | |
a8154452 | 2071 | |
b574c6a9 MC |
2072 | if (ret != NULL) |
2073 | return ret; | |
4ce1025a | 2074 | |
b574c6a9 MC |
2075 | if (!evp_pkey_copy_downgraded(&tmp_copy, pk)) |
2076 | return NULL; | |
4ce1025a | 2077 | |
b574c6a9 MC |
2078 | if (!CRYPTO_THREAD_write_lock(pk->lock)) |
2079 | goto err; | |
4ce1025a | 2080 | |
b574c6a9 MC |
2081 | /* Check again in case some other thread has updated it in the meantime */ |
2082 | ret = pk->legacy_cache_pkey.ptr; | |
2083 | if (ret == NULL) { | |
2084 | /* Steal the legacy key reference from the temporary copy */ | |
2085 | ret = pk->legacy_cache_pkey.ptr = tmp_copy->pkey.ptr; | |
2086 | tmp_copy->pkey.ptr = NULL; | |
2087 | } | |
4ce1025a | 2088 | |
b574c6a9 MC |
2089 | if (!CRYPTO_THREAD_unlock(pk->lock)) { |
2090 | ret = NULL; | |
2091 | goto err; | |
acb90ba8 | 2092 | } |
4ce1025a | 2093 | |
b574c6a9 MC |
2094 | err: |
2095 | EVP_PKEY_free(tmp_copy); | |
2096 | ||
2097 | return ret; | |
badf51c8 | 2098 | } |
f844f9eb | 2099 | #endif /* FIPS_MODULE */ |
96ebe52e | 2100 | |
a73a1892 RL |
2101 | int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name, |
2102 | BIGNUM **bn) | |
96ebe52e SL |
2103 | { |
2104 | int ret = 0; | |
2105 | OSSL_PARAM params[2]; | |
2106 | unsigned char buffer[2048]; | |
96ebe52e SL |
2107 | unsigned char *buf = NULL; |
2108 | size_t buf_sz = 0; | |
2109 | ||
d82c7f3d | 2110 | if (key_name == NULL |
6084b5c2 | 2111 | || bn == NULL) |
96ebe52e SL |
2112 | return 0; |
2113 | ||
2114 | memset(buffer, 0, sizeof(buffer)); | |
2115 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer)); | |
96ebe52e | 2116 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2117 | if (!EVP_PKEY_get_params(pkey, params)) { |
99ea4f02 | 2118 | if (!OSSL_PARAM_modified(params) || params[0].return_size == 0) |
96ebe52e SL |
2119 | return 0; |
2120 | buf_sz = params[0].return_size; | |
2121 | /* | |
2122 | * If it failed because the buffer was too small then allocate the | |
2123 | * required buffer size and retry. | |
2124 | */ | |
2125 | buf = OPENSSL_zalloc(buf_sz); | |
2126 | if (buf == NULL) | |
2127 | return 0; | |
2128 | params[0].data = buf; | |
2129 | params[0].data_size = buf_sz; | |
2130 | ||
13e85fb3 | 2131 | if (!EVP_PKEY_get_params(pkey, params)) |
96ebe52e SL |
2132 | goto err; |
2133 | } | |
2134 | /* Fail if the param was not found */ | |
99ea4f02 | 2135 | if (!OSSL_PARAM_modified(params)) |
96ebe52e SL |
2136 | goto err; |
2137 | ret = OSSL_PARAM_get_BN(params, bn); | |
2138 | err: | |
2139 | OPENSSL_free(buf); | |
2140 | return ret; | |
2141 | } | |
2142 | ||
a73a1892 | 2143 | int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e SL |
2144 | unsigned char *buf, size_t max_buf_sz, |
2145 | size_t *out_sz) | |
2146 | { | |
2147 | OSSL_PARAM params[2]; | |
76624df1 | 2148 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2149 | |
6084b5c2 | 2150 | if (key_name == NULL) |
96ebe52e SL |
2151 | return 0; |
2152 | ||
2153 | params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz); | |
96ebe52e | 2154 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2155 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2156 | ret2 = OSSL_PARAM_modified(params); | |
2157 | if (ret2 && out_sz != NULL) | |
96ebe52e | 2158 | *out_sz = params[0].return_size; |
76624df1 | 2159 | return ret1 && ret2; |
96ebe52e SL |
2160 | } |
2161 | ||
a73a1892 | 2162 | int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e SL |
2163 | char *str, size_t max_buf_sz, |
2164 | size_t *out_sz) | |
2165 | { | |
2166 | OSSL_PARAM params[2]; | |
76624df1 | 2167 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2168 | |
d82c7f3d | 2169 | if (key_name == NULL) |
96ebe52e SL |
2170 | return 0; |
2171 | ||
2172 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz); | |
96ebe52e | 2173 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2174 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2175 | ret2 = OSSL_PARAM_modified(params); | |
2176 | if (ret2 && out_sz != NULL) | |
96ebe52e | 2177 | *out_sz = params[0].return_size; |
76624df1 | 2178 | return ret1 && ret2; |
96ebe52e SL |
2179 | } |
2180 | ||
a73a1892 RL |
2181 | int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name, |
2182 | int *out) | |
96ebe52e SL |
2183 | { |
2184 | OSSL_PARAM params[2]; | |
96ebe52e | 2185 | |
d82c7f3d | 2186 | if (key_name == NULL) |
96ebe52e SL |
2187 | return 0; |
2188 | ||
2189 | params[0] = OSSL_PARAM_construct_int(key_name, out); | |
96ebe52e | 2190 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2191 | return EVP_PKEY_get_params(pkey, params) |
2192 | && OSSL_PARAM_modified(params); | |
96ebe52e SL |
2193 | } |
2194 | ||
a73a1892 RL |
2195 | int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name, |
2196 | size_t *out) | |
96ebe52e SL |
2197 | { |
2198 | OSSL_PARAM params[2]; | |
96ebe52e | 2199 | |
d82c7f3d | 2200 | if (key_name == NULL) |
96ebe52e SL |
2201 | return 0; |
2202 | ||
2203 | params[0] = OSSL_PARAM_construct_size_t(key_name, out); | |
96ebe52e | 2204 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2205 | return EVP_PKEY_get_params(pkey, params) |
2206 | && OSSL_PARAM_modified(params); | |
96ebe52e | 2207 | } |
98dbf2c1 SL |
2208 | |
2209 | int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in) | |
2210 | { | |
2211 | OSSL_PARAM params[2]; | |
2212 | ||
d82c7f3d | 2213 | if (key_name == NULL) |
98dbf2c1 SL |
2214 | return 0; |
2215 | ||
2216 | params[0] = OSSL_PARAM_construct_int(key_name, &in); | |
2217 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2218 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2219 | } |
2220 | ||
2221 | int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in) | |
2222 | { | |
2223 | OSSL_PARAM params[2]; | |
2224 | ||
d82c7f3d | 2225 | if (key_name == NULL) |
98dbf2c1 SL |
2226 | return 0; |
2227 | ||
2228 | params[0] = OSSL_PARAM_construct_size_t(key_name, &in); | |
2229 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2230 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2231 | } |
2232 | ||
13e85fb3 RL |
2233 | int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, |
2234 | const BIGNUM *bn) | |
98dbf2c1 SL |
2235 | { |
2236 | OSSL_PARAM params[2]; | |
2237 | unsigned char buffer[2048]; | |
2238 | int bsize = 0; | |
2239 | ||
d82c7f3d RL |
2240 | if (key_name == NULL |
2241 | || bn == NULL | |
2242 | || pkey == NULL | |
6fcd92d3 | 2243 | || !evp_pkey_is_assigned(pkey)) |
98dbf2c1 SL |
2244 | return 0; |
2245 | ||
2246 | bsize = BN_num_bytes(bn); | |
2247 | if (!ossl_assert(bsize <= (int)sizeof(buffer))) | |
2248 | return 0; | |
2249 | ||
2250 | if (BN_bn2nativepad(bn, buffer, bsize) < 0) | |
2251 | return 0; | |
2252 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, bsize); | |
2253 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2254 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2255 | } |
2256 | ||
2257 | int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2258 | const char *str) |
98dbf2c1 SL |
2259 | { |
2260 | OSSL_PARAM params[2]; | |
2261 | ||
d82c7f3d | 2262 | if (key_name == NULL) |
98dbf2c1 SL |
2263 | return 0; |
2264 | ||
13e85fb3 | 2265 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, (char *)str, 0); |
98dbf2c1 | 2266 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2267 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2268 | } |
2269 | ||
2270 | int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2271 | const unsigned char *buf, size_t bsize) |
98dbf2c1 SL |
2272 | { |
2273 | OSSL_PARAM params[2]; | |
2274 | ||
d82c7f3d | 2275 | if (key_name == NULL) |
98dbf2c1 SL |
2276 | return 0; |
2277 | ||
13e85fb3 RL |
2278 | params[0] = OSSL_PARAM_construct_octet_string(key_name, |
2279 | (unsigned char *)buf, bsize); | |
98dbf2c1 | 2280 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2281 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2282 | } |
2283 | ||
d82c7f3d | 2284 | const OSSL_PARAM *EVP_PKEY_settable_params(const EVP_PKEY *pkey) |
98dbf2c1 | 2285 | { |
d82c7f3d RL |
2286 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2287 | ? EVP_KEYMGMT_settable_params(pkey->keymgmt) | |
2288 | : NULL; | |
98dbf2c1 SL |
2289 | } |
2290 | ||
2291 | int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2292 | { | |
6fcd92d3 RL |
2293 | if (pkey != NULL) { |
2294 | if (evp_pkey_is_provided(pkey)) { | |
2295 | pkey->dirty_cnt++; | |
2296 | return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params); | |
2297 | } | |
2298 | #ifndef FIPS_MODULE | |
2299 | /* | |
6fcd92d3 RL |
2300 | * We will hopefully never find the need to set individual data in |
2301 | * EVP_PKEYs with a legacy internal key, but we can't be entirely | |
2302 | * sure. This bit of code can be enabled if we find the need. If | |
2303 | * not, it can safely be removed when #legacy support is removed. | |
2304 | */ | |
2305 | # if 0 | |
2306 | else if (evp_pkey_is_legacy(pkey)) { | |
2307 | return evp_pkey_set_params_to_ctrl(pkey, params); | |
2308 | } | |
2309 | # endif | |
2310 | #endif | |
2311 | } | |
2312 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2313 | return 0; | |
98dbf2c1 | 2314 | } |
3d34bedf | 2315 | |
13e85fb3 RL |
2316 | const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey) |
2317 | { | |
d82c7f3d RL |
2318 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2319 | ? EVP_KEYMGMT_gettable_params(pkey->keymgmt) | |
2320 | : NULL; | |
13e85fb3 RL |
2321 | } |
2322 | ||
2323 | int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2324 | { | |
6fcd92d3 RL |
2325 | if (pkey != NULL) { |
2326 | if (evp_pkey_is_provided(pkey)) | |
2327 | return evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params); | |
2328 | #ifndef FIPS_MODULE | |
2329 | else if (evp_pkey_is_legacy(pkey)) | |
2330 | return evp_pkey_get_params_to_ctrl(pkey, params); | |
2331 | #endif | |
2332 | } | |
2333 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2334 | return 0; | |
13e85fb3 RL |
2335 | } |
2336 | ||
3d34bedf MC |
2337 | #ifndef FIPS_MODULE |
2338 | int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey) | |
2339 | { | |
2340 | char name[80]; | |
2341 | size_t name_len; | |
2342 | ||
2343 | if (pkey == NULL) | |
2344 | return 0; | |
2345 | ||
2346 | if (pkey->keymgmt == NULL | |
2347 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2348 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2349 | /* Might work through the legacy route */ |
7bc0fdd3 | 2350 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2351 | |
2352 | if (ec == NULL) | |
2353 | return 0; | |
2354 | ||
2355 | return EC_KEY_get_conv_form(ec); | |
0e2f87c0 | 2356 | # else |
3d34bedf | 2357 | return 0; |
0e2f87c0 | 2358 | # endif |
3d34bedf MC |
2359 | } |
2360 | ||
2361 | if (!EVP_PKEY_get_utf8_string_param(pkey, | |
2362 | OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, | |
2363 | name, sizeof(name), &name_len)) | |
2364 | return 0; | |
2365 | ||
2366 | if (strcmp(name, "uncompressed") == 0) | |
2367 | return POINT_CONVERSION_UNCOMPRESSED; | |
2368 | ||
2369 | if (strcmp(name, "compressed") == 0) | |
2370 | return POINT_CONVERSION_COMPRESSED; | |
2371 | ||
2372 | if (strcmp(name, "hybrid") == 0) | |
2373 | return POINT_CONVERSION_HYBRID; | |
2374 | ||
2375 | return 0; | |
2376 | } | |
2377 | ||
2378 | int EVP_PKEY_get_field_type(const EVP_PKEY *pkey) | |
2379 | { | |
2380 | char fstr[80]; | |
2381 | size_t fstrlen; | |
2382 | ||
2383 | if (pkey == NULL) | |
2384 | return 0; | |
2385 | ||
2386 | if (pkey->keymgmt == NULL | |
2387 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2388 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2389 | /* Might work through the legacy route */ |
7bc0fdd3 | 2390 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2391 | const EC_GROUP *grp; |
2392 | ||
2393 | if (ec == NULL) | |
2394 | return 0; | |
2395 | grp = EC_KEY_get0_group(ec); | |
82a46200 TM |
2396 | if (grp == NULL) |
2397 | return 0; | |
3d34bedf MC |
2398 | |
2399 | return EC_GROUP_get_field_type(grp); | |
0e2f87c0 | 2400 | # else |
3d34bedf | 2401 | return 0; |
0e2f87c0 | 2402 | # endif |
3d34bedf MC |
2403 | } |
2404 | ||
2405 | if (!EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_EC_FIELD_TYPE, | |
2406 | fstr, sizeof(fstr), &fstrlen)) | |
2407 | return 0; | |
2408 | ||
2409 | if (strcmp(fstr, SN_X9_62_prime_field) == 0) | |
2410 | return NID_X9_62_prime_field; | |
2411 | else if (strcmp(fstr, SN_X9_62_characteristic_two_field)) | |
2412 | return NID_X9_62_characteristic_two_field; | |
2413 | ||
2414 | return 0; | |
2415 | } | |
2416 | #endif |