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Commit | Line | Data |
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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 | |
88bddad4 | 37 | #include "internal/ffc.h" |
25f2138b DMSP |
38 | #include "crypto/asn1.h" |
39 | #include "crypto/evp.h" | |
b247113c TM |
40 | #include "crypto/dh.h" |
41 | #include "crypto/dsa.h" | |
565b3399 | 42 | #include "crypto/ec.h" |
7c664b1f | 43 | #include "crypto/ecx.h" |
b247113c | 44 | #include "crypto/rsa.h" |
2145ba5e | 45 | #include "crypto/x509.h" |
e74bd290 | 46 | #include "internal/provider.h" |
f6aa5774 | 47 | #include "evp_local.h" |
18e377b4 | 48 | |
4f76d62f RL |
49 | #include "e_os.h" /* strcasecmp on Windows */ |
50 | ||
8243d8d1 RL |
51 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
52 | int len, EVP_KEYMGMT *keymgmt); | |
e683582b SL |
53 | static void evp_pkey_free_it(EVP_PKEY *key); |
54 | ||
f844f9eb | 55 | #ifndef FIPS_MODULE |
bb2297a4 | 56 | |
8158cf20 RL |
57 | /* The type of parameters selected in key parameter functions */ |
58 | # define SELECT_PARAMETERS OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS | |
59 | ||
8900f3e3 | 60 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e | 61 | { |
030da844 RL |
62 | int size = 0; |
63 | ||
6508e858 | 64 | if (pkey != NULL) { |
030da844 RL |
65 | size = pkey->cache.bits; |
66 | if (pkey->ameth != NULL && pkey->ameth->pkey_bits != NULL) | |
67 | size = pkey->ameth->pkey_bits(pkey); | |
6508e858 | 68 | } |
030da844 | 69 | return size < 0 ? 0 : size; |
0f113f3e | 70 | } |
58964a49 | 71 | |
2514fa79 | 72 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e | 73 | { |
030da844 RL |
74 | int size = 0; |
75 | ||
76 | if (pkey != NULL) { | |
77 | size = pkey->cache.security_bits; | |
78 | if (pkey->ameth != NULL && pkey->ameth->pkey_security_bits != NULL) | |
79 | size = pkey->ameth->pkey_security_bits(pkey); | |
80 | } | |
81 | return size < 0 ? 0 : size; | |
0f113f3e | 82 | } |
2514fa79 | 83 | |
6b691a5c | 84 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 85 | { |
e683582b | 86 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
87 | if (pkey->type == EVP_PKEY_DSA) { |
88 | int ret = pkey->save_parameters; | |
89 | ||
90 | if (mode >= 0) | |
91 | pkey->save_parameters = mode; | |
26a7d938 | 92 | return ret; |
0f113f3e | 93 | } |
e683582b SL |
94 | # endif |
95 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
96 | if (pkey->type == EVP_PKEY_EC) { |
97 | int ret = pkey->save_parameters; | |
98 | ||
99 | if (mode >= 0) | |
100 | pkey->save_parameters = mode; | |
26a7d938 | 101 | return ret; |
0f113f3e | 102 | } |
e683582b | 103 | # endif |
26a7d938 | 104 | return 0; |
0f113f3e | 105 | } |
d02b48c6 | 106 | |
ff1f7cde AT |
107 | int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg) |
108 | { | |
109 | return CRYPTO_set_ex_data(&key->ex_data, idx, arg); | |
110 | } | |
111 | ||
112 | void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx) | |
113 | { | |
114 | return CRYPTO_get_ex_data(&key->ex_data, idx); | |
115 | } | |
116 | ||
a8b72844 | 117 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 118 | { |
ff3b59e1 | 119 | /* |
5b5eea4b | 120 | * Clean up legacy stuff from this function when legacy support is gone. |
ff3b59e1 RL |
121 | */ |
122 | ||
93d6132a RL |
123 | EVP_PKEY *downgraded_from = NULL; |
124 | int ok = 0; | |
125 | ||
ff3b59e1 | 126 | /* |
93d6132a RL |
127 | * If |to| is a legacy key and |from| isn't, we must make a downgraded |
128 | * copy of |from|. If that fails, this function fails. | |
ff3b59e1 | 129 | */ |
93d6132a RL |
130 | if (evp_pkey_is_legacy(to) && evp_pkey_is_provided(from)) { |
131 | if (!evp_pkey_copy_downgraded(&downgraded_from, from)) | |
132 | goto end; | |
133 | from = downgraded_from; | |
134 | } | |
acb90ba8 RL |
135 | |
136 | /* | |
137 | * Make sure |to| is typed. Content is less important at this early | |
138 | * stage. | |
139 | * | |
140 | * 1. If |to| is untyped, assign |from|'s key type to it. | |
141 | * 2. If |to| contains a legacy key, compare its |type| to |from|'s. | |
142 | * (|from| was already downgraded above) | |
143 | * | |
144 | * If |to| is a provided key, there's nothing more to do here, functions | |
145 | * like evp_keymgmt_util_copy() and evp_pkey_export_to_provider() called | |
146 | * further down help us find out if they are the same or not. | |
147 | */ | |
5e5bc836 RL |
148 | if (evp_pkey_is_blank(to)) { |
149 | if (evp_pkey_is_legacy(from)) { | |
ff3b59e1 | 150 | if (EVP_PKEY_set_type(to, from->type) == 0) |
93d6132a | 151 | goto end; |
acb90ba8 RL |
152 | } else { |
153 | if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0) | |
93d6132a | 154 | goto end; |
acb90ba8 | 155 | } |
5e5bc836 | 156 | } else if (evp_pkey_is_legacy(to)) { |
acb90ba8 | 157 | if (to->type != from->type) { |
9311d0c4 | 158 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 159 | goto end; |
ff3b59e1 | 160 | } |
0f113f3e MC |
161 | } |
162 | ||
163 | if (EVP_PKEY_missing_parameters(from)) { | |
9311d0c4 | 164 | ERR_raise(ERR_LIB_EVP, EVP_R_MISSING_PARAMETERS); |
93d6132a | 165 | goto end; |
0f113f3e | 166 | } |
f72f00d4 DSH |
167 | |
168 | if (!EVP_PKEY_missing_parameters(to)) { | |
c74aaa39 | 169 | if (EVP_PKEY_parameters_eq(to, from) == 1) |
93d6132a RL |
170 | ok = 1; |
171 | else | |
172 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_PARAMETERS); | |
173 | goto end; | |
f72f00d4 DSH |
174 | } |
175 | ||
ff3b59e1 | 176 | /* For purely provided keys, we just call the keymgmt utility */ |
93d6132a RL |
177 | if (to->keymgmt != NULL && from->keymgmt != NULL) { |
178 | ok = evp_keymgmt_util_copy(to, (EVP_PKEY *)from, SELECT_PARAMETERS); | |
179 | goto end; | |
180 | } | |
ff3b59e1 RL |
181 | |
182 | /* | |
183 | * If |to| is provided, we know that |from| is legacy at this point. | |
85fcc3fb | 184 | * Try exporting |from| to |to|'s keymgmt, then use evp_keymgmt_dup() |
ff3b59e1 | 185 | * to copy the appropriate data to |to|'s keydata. |
85fcc3fb TM |
186 | * We cannot override existing data so do it only if there is no keydata |
187 | * in |to| yet. | |
ff3b59e1 | 188 | */ |
85fcc3fb | 189 | if (to->keymgmt != NULL && to->keydata == NULL) { |
ff3b59e1 RL |
190 | EVP_KEYMGMT *to_keymgmt = to->keymgmt; |
191 | void *from_keydata = | |
192 | evp_pkey_export_to_provider((EVP_PKEY *)from, NULL, &to_keymgmt, | |
193 | NULL); | |
194 | ||
acb90ba8 RL |
195 | /* |
196 | * If we get a NULL, it could be an internal error, or it could be | |
197 | * that there's a key mismatch. We're pretending the latter... | |
198 | */ | |
93d6132a | 199 | if (from_keydata == NULL) |
acb90ba8 | 200 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
93d6132a | 201 | else |
85fcc3fb TM |
202 | ok = (to->keydata = evp_keymgmt_dup(to->keymgmt, |
203 | from_keydata, | |
204 | SELECT_PARAMETERS)) != NULL; | |
93d6132a | 205 | goto end; |
ff3b59e1 RL |
206 | } |
207 | ||
208 | /* Both keys are legacy */ | |
209 | if (from->ameth != NULL && from->ameth->param_copy != NULL) | |
93d6132a RL |
210 | ok = from->ameth->param_copy(to, from); |
211 | end: | |
212 | EVP_PKEY_free(downgraded_from); | |
213 | return ok; | |
0f113f3e | 214 | } |
d02b48c6 | 215 | |
af0f0f3e | 216 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 217 | { |
157ded39 RL |
218 | if (pkey != NULL) { |
219 | if (pkey->keymgmt != NULL) | |
8158cf20 | 220 | return !evp_keymgmt_util_has((EVP_PKEY *)pkey, SELECT_PARAMETERS); |
157ded39 RL |
221 | else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL) |
222 | return pkey->ameth->param_missing(pkey); | |
223 | } | |
0f113f3e MC |
224 | return 0; |
225 | } | |
d02b48c6 | 226 | |
1e9101c4 RL |
227 | /* |
228 | * This function is called for any mixture of keys except pure legacy pair. | |
37cddb2e | 229 | * When legacy keys are gone, we replace a call to this functions with |
1e9101c4 RL |
230 | * a call to evp_keymgmt_util_match(). |
231 | */ | |
232 | static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b, | |
233 | int selection) | |
234 | { | |
235 | EVP_KEYMGMT *keymgmt1 = NULL, *keymgmt2 = NULL; | |
236 | void *keydata1 = NULL, *keydata2 = NULL, *tmp_keydata = NULL; | |
237 | ||
238 | /* If none of them are provided, this function shouldn't have been called */ | |
a57fc730 | 239 | if (!ossl_assert(evp_pkey_is_provided(a) || evp_pkey_is_provided(b))) |
1e9101c4 RL |
240 | return -2; |
241 | ||
242 | /* For purely provided keys, we just call the keymgmt utility */ | |
a57fc730 | 243 | if (evp_pkey_is_provided(a) && evp_pkey_is_provided(b)) |
1e9101c4 RL |
244 | return evp_keymgmt_util_match((EVP_PKEY *)a, (EVP_PKEY *)b, selection); |
245 | ||
246 | /* | |
acb90ba8 RL |
247 | * At this point, one of them is provided, the other not. This allows |
248 | * us to compare types using legacy NIDs. | |
249 | */ | |
a57fc730 RL |
250 | if (evp_pkey_is_legacy(a) |
251 | && !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type))) | |
252 | return -1; /* not the same key type */ | |
253 | if (evp_pkey_is_legacy(b) | |
254 | && !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))) | |
acb90ba8 RL |
255 | return -1; /* not the same key type */ |
256 | ||
257 | /* | |
258 | * We've determined that they both are the same keytype, so the next | |
259 | * step is to do a bit of cross export to ensure we have keydata for | |
260 | * both keys in the same keymgmt. | |
1e9101c4 RL |
261 | */ |
262 | keymgmt1 = a->keymgmt; | |
263 | keydata1 = a->keydata; | |
264 | keymgmt2 = b->keymgmt; | |
265 | keydata2 = b->keydata; | |
266 | ||
1e9101c4 RL |
267 | if (keymgmt2 != NULL && keymgmt2->match != NULL) { |
268 | tmp_keydata = | |
269 | evp_pkey_export_to_provider((EVP_PKEY *)a, NULL, &keymgmt2, NULL); | |
270 | if (tmp_keydata != NULL) { | |
271 | keymgmt1 = keymgmt2; | |
272 | keydata1 = tmp_keydata; | |
273 | } | |
274 | } | |
275 | if (tmp_keydata == NULL && keymgmt1 != NULL && keymgmt1->match != NULL) { | |
276 | tmp_keydata = | |
277 | evp_pkey_export_to_provider((EVP_PKEY *)b, NULL, &keymgmt1, NULL); | |
278 | if (tmp_keydata != NULL) { | |
279 | keymgmt2 = keymgmt1; | |
280 | keydata2 = tmp_keydata; | |
281 | } | |
282 | } | |
283 | ||
284 | /* If we still don't have matching keymgmt implementations, we give up */ | |
285 | if (keymgmt1 != keymgmt2) | |
286 | return -2; | |
287 | ||
a24b510c RL |
288 | /* If the keymgmt implementations are NULL, the export failed */ |
289 | if (keymgmt1 == NULL) | |
290 | return -2; | |
291 | ||
1e9101c4 RL |
292 | return evp_keymgmt_match(keymgmt1, keydata1, keydata2, selection); |
293 | } | |
294 | ||
c85c5e1a | 295 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 296 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
297 | { |
298 | return EVP_PKEY_parameters_eq(a, b); | |
299 | } | |
c85c5e1a | 300 | #endif |
c74aaa39 DDO |
301 | |
302 | int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 303 | { |
1e9101c4 | 304 | /* |
37cddb2e | 305 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
306 | * is gone. |
307 | */ | |
308 | ||
309 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 | 310 | return evp_pkey_cmp_any(a, b, SELECT_PARAMETERS); |
1e9101c4 RL |
311 | |
312 | /* All legacy keys */ | |
0f113f3e MC |
313 | if (a->type != b->type) |
314 | return -1; | |
1e9101c4 | 315 | if (a->ameth != NULL && a->ameth->param_cmp != NULL) |
0f113f3e MC |
316 | return a->ameth->param_cmp(a, b); |
317 | return -2; | |
318 | } | |
58964a49 | 319 | |
c85c5e1a | 320 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
af0f0f3e | 321 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
c74aaa39 DDO |
322 | { |
323 | return EVP_PKEY_eq(a, b); | |
324 | } | |
c85c5e1a | 325 | #endif |
c74aaa39 DDO |
326 | |
327 | int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b) | |
0f113f3e | 328 | { |
1e9101c4 | 329 | /* |
37cddb2e | 330 | * This will just call evp_keymgmt_util_match when legacy support |
1e9101c4 RL |
331 | * is gone. |
332 | */ | |
333 | ||
5af6e154 TM |
334 | /* Trivial shortcuts */ |
335 | if (a == b) | |
336 | return 1; | |
337 | if (a == NULL || b == NULL) | |
338 | return 0; | |
339 | ||
1e9101c4 | 340 | if (a->keymgmt != NULL || b->keymgmt != NULL) |
8158cf20 RL |
341 | return evp_pkey_cmp_any(a, b, (SELECT_PARAMETERS |
342 | | OSSL_KEYMGMT_SELECT_PUBLIC_KEY)); | |
1e9101c4 RL |
343 | |
344 | /* All legacy keys */ | |
0f113f3e MC |
345 | if (a->type != b->type) |
346 | return -1; | |
347 | ||
1e9101c4 | 348 | if (a->ameth != NULL) { |
0f113f3e MC |
349 | int ret; |
350 | /* Compare parameters if the algorithm has them */ | |
1e9101c4 | 351 | if (a->ameth->param_cmp != NULL) { |
0f113f3e MC |
352 | ret = a->ameth->param_cmp(a, b); |
353 | if (ret <= 0) | |
354 | return ret; | |
355 | } | |
356 | ||
1e9101c4 | 357 | if (a->ameth->pub_cmp != NULL) |
0f113f3e MC |
358 | return a->ameth->pub_cmp(a, b); |
359 | } | |
360 | ||
361 | return -2; | |
362 | } | |
e6526fbf | 363 | |
1c4f340d | 364 | |
b4250010 | 365 | static EVP_PKEY *new_raw_key_int(OSSL_LIB_CTX *libctx, |
1c4f340d MC |
366 | const char *strtype, |
367 | const char *propq, | |
368 | int nidtype, | |
369 | ENGINE *e, | |
370 | const unsigned char *key, | |
371 | size_t len, | |
372 | int key_is_priv) | |
a08802ce | 373 | { |
1c4f340d MC |
374 | EVP_PKEY *pkey = NULL; |
375 | EVP_PKEY_CTX *ctx = NULL; | |
376 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; | |
377 | int result = 0; | |
378 | ||
379 | # ifndef OPENSSL_NO_ENGINE | |
380 | /* Check if there is an Engine for this type */ | |
381 | if (e == NULL) { | |
382 | ENGINE *tmpe = NULL; | |
383 | ||
384 | if (strtype != NULL) | |
385 | ameth = EVP_PKEY_asn1_find_str(&tmpe, strtype, -1); | |
386 | else if (nidtype != EVP_PKEY_NONE) | |
387 | ameth = EVP_PKEY_asn1_find(&tmpe, nidtype); | |
388 | ||
389 | /* If tmpe is NULL then no engine is claiming to support this type */ | |
390 | if (tmpe == NULL) | |
391 | ameth = NULL; | |
392 | ||
393 | ENGINE_finish(tmpe); | |
394 | } | |
395 | # endif | |
a08802ce | 396 | |
1c4f340d MC |
397 | if (e == NULL && ameth == NULL) { |
398 | /* | |
399 | * No engine is claiming to support this type, so lets see if we have | |
400 | * a provider. | |
401 | */ | |
402 | ctx = EVP_PKEY_CTX_new_from_name(libctx, | |
403 | strtype != NULL ? strtype | |
404 | : OBJ_nid2sn(nidtype), | |
405 | propq); | |
4feda976 | 406 | if (ctx == NULL) |
1c4f340d | 407 | goto err; |
1c4f340d MC |
408 | /* May fail if no provider available */ |
409 | ERR_set_mark(); | |
2db985b7 | 410 | if (EVP_PKEY_fromdata_init(ctx) == 1) { |
1c4f340d MC |
411 | OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END }; |
412 | ||
413 | ERR_clear_last_mark(); | |
414 | params[0] = OSSL_PARAM_construct_octet_string( | |
415 | key_is_priv ? OSSL_PKEY_PARAM_PRIV_KEY | |
416 | : OSSL_PKEY_PARAM_PUB_KEY, | |
417 | (void *)key, len); | |
418 | ||
2db985b7 | 419 | if (EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params) != 1) { |
9311d0c4 | 420 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
421 | goto err; |
422 | } | |
423 | ||
424 | EVP_PKEY_CTX_free(ctx); | |
425 | ||
426 | return pkey; | |
427 | } | |
428 | ERR_pop_to_mark(); | |
429 | /* else not supported so fallback to legacy */ | |
a08802ce MC |
430 | } |
431 | ||
1c4f340d MC |
432 | /* Legacy code path */ |
433 | ||
434 | pkey = EVP_PKEY_new(); | |
435 | if (pkey == NULL) { | |
9311d0c4 | 436 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
a08802ce MC |
437 | goto err; |
438 | } | |
439 | ||
1c4f340d MC |
440 | if (!pkey_set_type(pkey, e, nidtype, strtype, -1, NULL)) { |
441 | /* EVPerr already called */ | |
a08802ce MC |
442 | goto err; |
443 | } | |
444 | ||
1c4f340d MC |
445 | if (!ossl_assert(pkey->ameth != NULL)) |
446 | goto err; | |
a08802ce | 447 | |
1c4f340d MC |
448 | if (key_is_priv) { |
449 | if (pkey->ameth->set_priv_key == NULL) { | |
9311d0c4 | 450 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
451 | goto err; |
452 | } | |
a08802ce | 453 | |
1c4f340d | 454 | if (!pkey->ameth->set_priv_key(pkey, key, len)) { |
9311d0c4 | 455 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
456 | goto err; |
457 | } | |
458 | } else { | |
459 | if (pkey->ameth->set_pub_key == NULL) { | |
9311d0c4 | 460 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
1c4f340d MC |
461 | goto err; |
462 | } | |
a08802ce | 463 | |
1c4f340d | 464 | if (!pkey->ameth->set_pub_key(pkey, key, len)) { |
9311d0c4 | 465 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
1c4f340d MC |
466 | goto err; |
467 | } | |
a08802ce MC |
468 | } |
469 | ||
1c4f340d MC |
470 | result = 1; |
471 | err: | |
472 | if (!result) { | |
473 | EVP_PKEY_free(pkey); | |
474 | pkey = NULL; | |
a08802ce | 475 | } |
1c4f340d MC |
476 | EVP_PKEY_CTX_free(ctx); |
477 | return pkey; | |
478 | } | |
a08802ce | 479 | |
b4250010 | 480 | EVP_PKEY *EVP_PKEY_new_raw_private_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
481 | const char *keytype, |
482 | const char *propq, | |
483 | const unsigned char *priv, size_t len) | |
1c4f340d MC |
484 | { |
485 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, priv, | |
486 | len, 1); | |
487 | } | |
a08802ce | 488 | |
1c4f340d MC |
489 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
490 | const unsigned char *priv, | |
491 | size_t len) | |
492 | { | |
493 | return new_raw_key_int(NULL, NULL, NULL, type, e, priv, len, 1); | |
494 | } | |
a08802ce | 495 | |
b4250010 | 496 | EVP_PKEY *EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX *libctx, |
d8652be0 MC |
497 | const char *keytype, const char *propq, |
498 | const unsigned char *pub, size_t len) | |
1c4f340d MC |
499 | { |
500 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, pub, | |
501 | len, 0); | |
502 | } | |
503 | ||
504 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, | |
505 | const unsigned char *pub, | |
506 | size_t len) | |
507 | { | |
508 | return new_raw_key_int(NULL, NULL, NULL, type, e, pub, len, 0); | |
a08802ce MC |
509 | } |
510 | ||
c19d8978 MC |
511 | struct raw_key_details_st |
512 | { | |
513 | unsigned char **key; | |
514 | size_t *len; | |
515 | int selection; | |
516 | }; | |
517 | ||
518 | static OSSL_CALLBACK get_raw_key_details; | |
519 | static int get_raw_key_details(const OSSL_PARAM params[], void *arg) | |
520 | { | |
521 | const OSSL_PARAM *p = NULL; | |
522 | struct raw_key_details_st *raw_key = arg; | |
523 | ||
524 | if (raw_key->selection == OSSL_KEYMGMT_SELECT_PRIVATE_KEY) { | |
525 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY)) | |
526 | != NULL) | |
527 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
528 | SIZE_MAX, raw_key->len); | |
529 | } else if (raw_key->selection == OSSL_KEYMGMT_SELECT_PUBLIC_KEY) { | |
530 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY)) | |
531 | != NULL) | |
532 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
533 | SIZE_MAX, raw_key->len); | |
534 | } | |
535 | ||
536 | return 0; | |
537 | } | |
538 | ||
0d124b0a MC |
539 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
540 | size_t *len) | |
541 | { | |
c19d8978 MC |
542 | if (pkey->keymgmt != NULL) { |
543 | struct raw_key_details_st raw_key; | |
544 | ||
545 | raw_key.key = priv == NULL ? NULL : &priv; | |
546 | raw_key.len = len; | |
547 | raw_key.selection = OSSL_KEYMGMT_SELECT_PRIVATE_KEY; | |
548 | ||
655f73ce RL |
549 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PRIVATE_KEY, |
550 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
551 | } |
552 | ||
553 | if (pkey->ameth == NULL) { | |
9311d0c4 | 554 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
555 | return 0; |
556 | } | |
557 | ||
558 | if (pkey->ameth->get_priv_key == NULL) { | |
9311d0c4 | 559 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
560 | return 0; |
561 | } | |
562 | ||
563 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
9311d0c4 | 564 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
565 | return 0; |
566 | } | |
567 | ||
568 | return 1; | |
569 | } | |
570 | ||
571 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
572 | size_t *len) | |
573 | { | |
c19d8978 MC |
574 | if (pkey->keymgmt != NULL) { |
575 | struct raw_key_details_st raw_key; | |
576 | ||
577 | raw_key.key = pub == NULL ? NULL : &pub; | |
578 | raw_key.len = len; | |
579 | raw_key.selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
580 | ||
655f73ce RL |
581 | return evp_keymgmt_util_export(pkey, OSSL_KEYMGMT_SELECT_PUBLIC_KEY, |
582 | get_raw_key_details, &raw_key); | |
c19d8978 MC |
583 | } |
584 | ||
585 | if (pkey->ameth == NULL) { | |
9311d0c4 | 586 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
c19d8978 MC |
587 | return 0; |
588 | } | |
589 | ||
0d124b0a | 590 | if (pkey->ameth->get_pub_key == NULL) { |
9311d0c4 | 591 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
0d124b0a MC |
592 | return 0; |
593 | } | |
594 | ||
595 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
9311d0c4 | 596 | ERR_raise(ERR_LIB_EVP, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
597 | return 0; |
598 | } | |
599 | ||
600 | return 1; | |
601 | } | |
602 | ||
a540ef90 MC |
603 | static EVP_PKEY *new_cmac_key_int(const unsigned char *priv, size_t len, |
604 | const char *cipher_name, | |
b4250010 DMSP |
605 | const EVP_CIPHER *cipher, |
606 | OSSL_LIB_CTX *libctx, | |
a540ef90 | 607 | const char *propq, ENGINE *e) |
b3831fbb | 608 | { |
e683582b SL |
609 | # ifndef OPENSSL_NO_CMAC |
610 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 611 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 612 | # endif |
2ef9a7ac | 613 | OSSL_PARAM params[5], *p = params; |
a540ef90 MC |
614 | EVP_PKEY *pkey = NULL; |
615 | EVP_PKEY_CTX *ctx; | |
616 | ||
617 | if (cipher != NULL) | |
618 | cipher_name = EVP_CIPHER_name(cipher); | |
619 | ||
620 | if (cipher_name == NULL) { | |
9311d0c4 | 621 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
a540ef90 MC |
622 | return NULL; |
623 | } | |
624 | ||
625 | ctx = EVP_PKEY_CTX_new_from_name(libctx, "CMAC", propq); | |
20d56d6d | 626 | if (ctx == NULL) |
a540ef90 | 627 | goto err; |
a540ef90 | 628 | |
2db985b7 | 629 | if (!EVP_PKEY_fromdata_init(ctx)) { |
9311d0c4 | 630 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
631 | goto err; |
632 | } | |
633 | ||
a540ef90 MC |
634 | *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, |
635 | (void *)priv, len); | |
636 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER, | |
637 | (char *)cipher_name, 0); | |
2ef9a7ac MC |
638 | if (propq != NULL) |
639 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, | |
640 | (char *)propq, 0); | |
e683582b | 641 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 642 | if (engine_id != NULL) |
a540ef90 MC |
643 | *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_ENGINE, |
644 | (char *)engine_id, 0); | |
e683582b | 645 | # endif |
a540ef90 | 646 | *p = OSSL_PARAM_construct_end(); |
3be06e0d | 647 | |
2db985b7 | 648 | if (!EVP_PKEY_fromdata(ctx, &pkey, EVP_PKEY_KEYPAIR, params)) { |
9311d0c4 | 649 | ERR_raise(ERR_LIB_EVP, EVP_R_KEY_SETUP_FAILED); |
b3831fbb MC |
650 | goto err; |
651 | } | |
652 | ||
b3831fbb | 653 | err: |
a540ef90 MC |
654 | EVP_PKEY_CTX_free(ctx); |
655 | ||
656 | return pkey; | |
e683582b | 657 | # else |
9311d0c4 | 658 | ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); |
df6d51e2 | 659 | return NULL; |
e683582b | 660 | # endif |
b3831fbb | 661 | } |
a08802ce | 662 | |
a540ef90 MC |
663 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
664 | size_t len, const EVP_CIPHER *cipher) | |
665 | { | |
666 | return new_cmac_key_int(priv, len, NULL, cipher, NULL, NULL, e); | |
667 | } | |
668 | ||
01b8b3c7 | 669 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 670 | { |
8243d8d1 | 671 | return pkey_set_type(pkey, NULL, type, NULL, -1, NULL); |
0f113f3e | 672 | } |
01b8b3c7 DSH |
673 | |
674 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 675 | { |
8243d8d1 | 676 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len, NULL); |
0f113f3e | 677 | } |
2f2e6b62 | 678 | |
e683582b | 679 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
680 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
681 | { | |
682 | if (e != NULL) { | |
683 | if (!ENGINE_init(e)) { | |
9311d0c4 | 684 | ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB); |
d19b01ad DSH |
685 | return 0; |
686 | } | |
687 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
688 | ENGINE_finish(e); | |
9311d0c4 | 689 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
d19b01ad DSH |
690 | return 0; |
691 | } | |
692 | } | |
693 | ENGINE_finish(pkey->pmeth_engine); | |
694 | pkey->pmeth_engine = e; | |
695 | return 1; | |
696 | } | |
229f7b38 DB |
697 | |
698 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
699 | { | |
700 | return pkey->engine; | |
701 | } | |
e683582b | 702 | # endif |
8e53d94d MC |
703 | |
704 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
b247113c TM |
705 | static void detect_foreign_key(EVP_PKEY *pkey) |
706 | { | |
707 | switch (pkey->type) { | |
708 | case EVP_PKEY_RSA: | |
709 | pkey->foreign = pkey->pkey.rsa != NULL | |
710 | && ossl_rsa_is_foreign(pkey->pkey.rsa); | |
711 | break; | |
712 | # ifndef OPENSSL_NO_EC | |
713 | case EVP_PKEY_SM2: | |
714 | case EVP_PKEY_EC: | |
715 | pkey->foreign = pkey->pkey.ec != NULL | |
716 | && ossl_ec_key_is_foreign(pkey->pkey.ec); | |
717 | break; | |
718 | # endif | |
719 | # ifndef OPENSSL_NO_DSA | |
720 | case EVP_PKEY_DSA: | |
721 | pkey->foreign = pkey->pkey.dsa != NULL | |
722 | && ossl_dsa_is_foreign(pkey->pkey.dsa); | |
723 | break; | |
724 | #endif | |
725 | # ifndef OPENSSL_NO_DH | |
726 | case EVP_PKEY_DH: | |
727 | pkey->foreign = pkey->pkey.dh != NULL | |
728 | && ossl_dh_is_foreign(pkey->pkey.dh); | |
729 | break; | |
730 | #endif | |
731 | default: | |
732 | pkey->foreign = 0; | |
733 | break; | |
734 | } | |
735 | } | |
736 | ||
01b8b3c7 | 737 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 738 | { |
8e53d94d | 739 | # ifndef OPENSSL_NO_EC |
28fd8953 MC |
740 | int pktype; |
741 | ||
742 | pktype = EVP_PKEY_type(type); | |
743 | if ((key != NULL) && (pktype == EVP_PKEY_EC || pktype == EVP_PKEY_SM2)) { | |
f4e4382c RL |
744 | const EC_GROUP *group = EC_KEY_get0_group(key); |
745 | ||
28fd8953 MC |
746 | if (group != NULL) { |
747 | int curve = EC_GROUP_get_curve_name(group); | |
748 | ||
749 | /* | |
750 | * Regardless of what is requested the SM2 curve must be SM2 type, | |
751 | * and non SM2 curves are EC type. | |
752 | */ | |
753 | if (curve == NID_sm2 && pktype == EVP_PKEY_EC) | |
754 | type = EVP_PKEY_SM2; | |
755 | else if(curve != NID_sm2 && pktype == EVP_PKEY_SM2) | |
756 | type = EVP_PKEY_EC; | |
757 | } | |
f4e4382c | 758 | } |
8e53d94d | 759 | # endif |
f4e4382c | 760 | |
e34c66c6 | 761 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e | 762 | return 0; |
28fd8953 | 763 | |
0f113f3e | 764 | pkey->pkey.ptr = key; |
b247113c TM |
765 | detect_foreign_key(pkey); |
766 | ||
0f113f3e MC |
767 | return (key != NULL); |
768 | } | |
8e53d94d | 769 | # endif |
d02b48c6 | 770 | |
896dcda1 | 771 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e | 772 | { |
3c1ccfea SL |
773 | if (pkey == NULL) |
774 | return NULL; | |
b574c6a9 | 775 | |
896dcda1 DB |
776 | if (!evp_pkey_is_provided(pkey)) |
777 | return pkey->pkey.ptr; | |
778 | ||
779 | return NULL; | |
0f113f3e | 780 | } |
db98bbc1 | 781 | |
ebad0b0b NM |
782 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
783 | { | |
7bc0fdd3 | 784 | const ASN1_OCTET_STRING *os = NULL; |
ebad0b0b | 785 | if (pkey->type != EVP_PKEY_HMAC) { |
9311d0c4 | 786 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_AN_HMAC_KEY); |
ebad0b0b NM |
787 | return NULL; |
788 | } | |
896dcda1 DB |
789 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
790 | if (os != NULL) { | |
791 | *len = os->length; | |
792 | return os->data; | |
793 | } | |
794 | return NULL; | |
ebad0b0b NM |
795 | } |
796 | ||
e683582b | 797 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
798 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
799 | { | |
7bc0fdd3 | 800 | const ASN1_OCTET_STRING *os = NULL; |
52ad5b60 | 801 | if (pkey->type != EVP_PKEY_POLY1305) { |
9311d0c4 | 802 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_POLY1305_KEY); |
52ad5b60 TS |
803 | return NULL; |
804 | } | |
896dcda1 DB |
805 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
806 | if (os != NULL) { | |
807 | *len = os->length; | |
808 | return os->data; | |
809 | } | |
810 | return NULL; | |
52ad5b60 | 811 | } |
e683582b | 812 | # endif |
52ad5b60 | 813 | |
e683582b | 814 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
815 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
816 | { | |
7bc0fdd3 | 817 | const ASN1_OCTET_STRING *os = NULL; |
3f5616d7 TS |
818 | |
819 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
9311d0c4 | 820 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_SIPHASH_KEY); |
3f5616d7 TS |
821 | return NULL; |
822 | } | |
896dcda1 DB |
823 | os = evp_pkey_get_legacy((EVP_PKEY *)pkey); |
824 | if (os != NULL) { | |
825 | *len = os->length; | |
826 | return os->data; | |
827 | } | |
828 | return NULL; | |
3f5616d7 | 829 | } |
e683582b | 830 | # endif |
3f5616d7 | 831 | |
e683582b | 832 | # ifndef OPENSSL_NO_DSA |
7bc0fdd3 | 833 | static DSA *evp_pkey_get0_DSA_int(const EVP_PKEY *pkey) |
0f113f3e MC |
834 | { |
835 | if (pkey->type != EVP_PKEY_DSA) { | |
9311d0c4 | 836 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
837 | return NULL; |
838 | } | |
b574c6a9 | 839 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 840 | } |
2872dbe1 | 841 | |
7bc0fdd3 MC |
842 | const DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
843 | { | |
844 | return evp_pkey_get0_DSA_int(pkey); | |
845 | } | |
846 | ||
b03ec3b5 SL |
847 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
848 | { | |
849 | int ret = EVP_PKEY_assign_DSA(pkey, key); | |
850 | if (ret) | |
851 | DSA_up_ref(key); | |
852 | return ret; | |
853 | } | |
2872dbe1 DSH |
854 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) |
855 | { | |
7bc0fdd3 MC |
856 | DSA *ret = evp_pkey_get0_DSA_int(pkey); |
857 | ||
2872dbe1 DSH |
858 | if (ret != NULL) |
859 | DSA_up_ref(ret); | |
860 | return ret; | |
861 | } | |
b03ec3b5 | 862 | # endif /* OPENSSL_NO_DSA */ |
f769ce3e | 863 | |
e683582b | 864 | # ifndef OPENSSL_NO_EC |
7bc0fdd3 | 865 | static const ECX_KEY *evp_pkey_get0_ECX_KEY(const EVP_PKEY *pkey, int type) |
7c664b1f | 866 | { |
7c664b1f RL |
867 | if (EVP_PKEY_base_id(pkey) != type) { |
868 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_ECX_KEY); | |
869 | return NULL; | |
870 | } | |
b574c6a9 | 871 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
7c664b1f RL |
872 | } |
873 | ||
25b16562 | 874 | static ECX_KEY *evp_pkey_get1_ECX_KEY(EVP_PKEY *pkey, int type) |
7c664b1f | 875 | { |
7bc0fdd3 | 876 | ECX_KEY *ret = (ECX_KEY *)evp_pkey_get0_ECX_KEY(pkey, type); |
8eca93f8 P |
877 | |
878 | if (ret != NULL && !ossl_ecx_key_up_ref(ret)) | |
879 | ret = NULL; | |
7c664b1f RL |
880 | return ret; |
881 | } | |
882 | ||
883 | # define IMPLEMENT_ECX_VARIANT(NAME) \ | |
32ab57cb | 884 | ECX_KEY *ossl_evp_pkey_get1_##NAME(EVP_PKEY *pkey) \ |
7c664b1f | 885 | { \ |
25b16562 | 886 | return evp_pkey_get1_ECX_KEY(pkey, EVP_PKEY_##NAME); \ |
7c664b1f RL |
887 | } |
888 | IMPLEMENT_ECX_VARIANT(X25519) | |
889 | IMPLEMENT_ECX_VARIANT(X448) | |
890 | IMPLEMENT_ECX_VARIANT(ED25519) | |
891 | IMPLEMENT_ECX_VARIANT(ED448) | |
892 | ||
e683582b | 893 | # endif |
4d94ae00 | 894 | |
5a267416 | 895 | # if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
52664f50 | 896 | |
f1ffaaee | 897 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *dhkey) |
52664f50 | 898 | { |
f1ffaaee SL |
899 | int ret, type; |
900 | ||
901 | /* | |
902 | * ossl_dh_is_named_safe_prime_group() returns 1 for named safe prime groups | |
903 | * related to ffdhe and modp (which cache q = (p - 1) / 2), | |
904 | * and returns 0 for all other dh parameter generation types including | |
905 | * RFC5114 named groups. | |
906 | * | |
907 | * The EVP_PKEY_DH type is used for dh parameter generation types: | |
908 | * - named safe prime groups related to ffdhe and modp | |
909 | * - safe prime generator | |
910 | * | |
911 | * The type EVP_PKEY_DHX is used for dh parameter generation types | |
912 | * - fips186-4 and fips186-2 | |
913 | * - rfc5114 named groups. | |
914 | * | |
915 | * The EVP_PKEY_DH type is used to save PKCS#3 data than can be stored | |
916 | * without a q value. | |
917 | * The EVP_PKEY_DHX type is used to save X9.42 data that requires the | |
918 | * q value to be stored. | |
919 | */ | |
920 | if (ossl_dh_is_named_safe_prime_group(dhkey)) | |
921 | type = EVP_PKEY_DH; | |
922 | else | |
923 | type = DH_get0_q(dhkey) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; | |
924 | ||
925 | ret = EVP_PKEY_assign(pkey, type, dhkey); | |
32c869ff | 926 | |
0f113f3e | 927 | if (ret) |
f1ffaaee | 928 | DH_up_ref(dhkey); |
0f113f3e | 929 | return ret; |
52664f50 DSH |
930 | } |
931 | ||
7bc0fdd3 | 932 | DH *evp_pkey_get0_DH_int(const EVP_PKEY *pkey) |
0f113f3e MC |
933 | { |
934 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
9311d0c4 | 935 | ERR_raise(ERR_LIB_EVP, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
936 | return NULL; |
937 | } | |
b574c6a9 | 938 | return evp_pkey_get_legacy((EVP_PKEY *)pkey); |
f769ce3e | 939 | } |
2872dbe1 | 940 | |
7bc0fdd3 MC |
941 | const DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
942 | { | |
943 | return evp_pkey_get0_DH_int(pkey); | |
944 | } | |
945 | ||
2872dbe1 DSH |
946 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) |
947 | { | |
7bc0fdd3 MC |
948 | DH *ret = evp_pkey_get0_DH_int(pkey); |
949 | ||
2872dbe1 DSH |
950 | if (ret != NULL) |
951 | DH_up_ref(ret); | |
952 | return ret; | |
953 | } | |
e683582b | 954 | # endif |
f769ce3e | 955 | |
6b691a5c | 956 | int EVP_PKEY_type(int type) |
0f113f3e MC |
957 | { |
958 | int ret; | |
959 | const EVP_PKEY_ASN1_METHOD *ameth; | |
960 | ENGINE *e; | |
961 | ameth = EVP_PKEY_asn1_find(&e, type); | |
962 | if (ameth) | |
963 | ret = ameth->pkey_id; | |
964 | else | |
965 | ret = NID_undef; | |
e683582b | 966 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 967 | ENGINE_finish(e); |
e683582b | 968 | # endif |
0f113f3e MC |
969 | return ret; |
970 | } | |
d02b48c6 | 971 | |
7f57b076 | 972 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
973 | { |
974 | return pkey->type; | |
975 | } | |
7f57b076 DSH |
976 | |
977 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
978 | { |
979 | return EVP_PKEY_type(pkey->type); | |
980 | } | |
7f57b076 | 981 | |
977e95b9 RL |
982 | /* |
983 | * These hard coded cases are pure hackery to get around the fact | |
984 | * that names in crypto/objects/objects.txt are a mess. There is | |
985 | * no "EC", and "RSA" leads to the NID for 2.5.8.1.1, an OID that's | |
986 | * fallen out in favor of { pkcs-1 1 }, i.e. 1.2.840.113549.1.1.1, | |
987 | * the NID of which is used for EVP_PKEY_RSA. Strangely enough, | |
988 | * "DSA" is accurate... but still, better be safe and hard-code | |
989 | * names that we know. | |
990 | * On a similar topic, EVP_PKEY_type(EVP_PKEY_SM2) will result in | |
991 | * EVP_PKEY_EC, because of aliasing. | |
37cddb2e | 992 | * This should be cleaned away along with all other #legacy support. |
977e95b9 RL |
993 | */ |
994 | static const OSSL_ITEM standard_name2type[] = { | |
995 | { EVP_PKEY_RSA, "RSA" }, | |
996 | { EVP_PKEY_RSA_PSS, "RSA-PSS" }, | |
997 | { EVP_PKEY_EC, "EC" }, | |
998 | { EVP_PKEY_ED25519, "ED25519" }, | |
999 | { EVP_PKEY_ED448, "ED448" }, | |
1000 | { EVP_PKEY_X25519, "X25519" }, | |
1001 | { EVP_PKEY_X448, "X448" }, | |
1002 | { EVP_PKEY_SM2, "SM2" }, | |
1003 | { EVP_PKEY_DH, "DH" }, | |
1004 | { EVP_PKEY_DHX, "X9.42 DH" }, | |
1005 | { EVP_PKEY_DHX, "DHX" }, | |
1006 | { EVP_PKEY_DSA, "DSA" }, | |
1007 | }; | |
1008 | ||
50914496 RL |
1009 | int evp_pkey_name2type(const char *name) |
1010 | { | |
977e95b9 RL |
1011 | int type; |
1012 | size_t i; | |
1013 | ||
1014 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1015 | if (strcasecmp(name, standard_name2type[i].ptr) == 0) | |
1016 | return (int)standard_name2type[i].id; | |
1017 | } | |
1018 | ||
1019 | if ((type = EVP_PKEY_type(OBJ_sn2nid(name))) != NID_undef) | |
1020 | return type; | |
1021 | return EVP_PKEY_type(OBJ_ln2nid(name)); | |
1022 | } | |
1023 | ||
1024 | const char *evp_pkey_type2name(int type) | |
1025 | { | |
1026 | size_t i; | |
1027 | ||
1028 | for (i = 0; i < OSSL_NELEM(standard_name2type); i++) { | |
1029 | if (type == (int)standard_name2type[i].id) | |
1030 | return standard_name2type[i].ptr; | |
1031 | } | |
1032 | ||
1033 | return OBJ_nid2sn(type); | |
50914496 | 1034 | } |
50914496 | 1035 | |
4f76d62f RL |
1036 | int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name) |
1037 | { | |
4f76d62f | 1038 | if (pkey->keymgmt == NULL) { |
50914496 | 1039 | int type = evp_pkey_name2type(name); |
4f76d62f | 1040 | |
50914496 | 1041 | return pkey->type == type; |
4f76d62f | 1042 | } |
4f76d62f RL |
1043 | return EVP_KEYMGMT_is_a(pkey->keymgmt, name); |
1044 | } | |
1045 | ||
ddf0d149 TM |
1046 | int EVP_PKEY_type_names_do_all(const EVP_PKEY *pkey, |
1047 | void (*fn)(const char *name, void *data), | |
1048 | void *data) | |
ae12eac0 RL |
1049 | { |
1050 | if (!evp_pkey_is_typed(pkey)) | |
d84f5515 | 1051 | return 0; |
ae12eac0 RL |
1052 | |
1053 | if (!evp_pkey_is_provided(pkey)) { | |
1054 | const char *name = OBJ_nid2sn(EVP_PKEY_id(pkey)); | |
1055 | ||
1056 | fn(name, data); | |
d84f5515 | 1057 | return 1; |
ae12eac0 | 1058 | } |
d84f5515 | 1059 | return EVP_KEYMGMT_names_do_all(pkey->keymgmt, fn, data); |
ae12eac0 RL |
1060 | } |
1061 | ||
4f76d62f RL |
1062 | int EVP_PKEY_can_sign(const EVP_PKEY *pkey) |
1063 | { | |
1064 | if (pkey->keymgmt == NULL) { | |
1065 | switch (EVP_PKEY_base_id(pkey)) { | |
1066 | case EVP_PKEY_RSA: | |
1067 | return 1; | |
0e2f87c0 | 1068 | # ifndef OPENSSL_NO_DSA |
4f76d62f RL |
1069 | case EVP_PKEY_DSA: |
1070 | return 1; | |
0e2f87c0 TM |
1071 | # endif |
1072 | # ifndef OPENSSL_NO_EC | |
4f76d62f RL |
1073 | case EVP_PKEY_ED25519: |
1074 | case EVP_PKEY_ED448: | |
1075 | return 1; | |
1076 | case EVP_PKEY_EC: /* Including SM2 */ | |
1077 | return EC_KEY_can_sign(pkey->pkey.ec); | |
0e2f87c0 | 1078 | # endif |
4f76d62f RL |
1079 | default: |
1080 | break; | |
1081 | } | |
1082 | } else { | |
1083 | const OSSL_PROVIDER *prov = EVP_KEYMGMT_provider(pkey->keymgmt); | |
a829b735 | 1084 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); |
4f76d62f RL |
1085 | const char *supported_sig = |
1086 | pkey->keymgmt->query_operation_name != NULL | |
1087 | ? pkey->keymgmt->query_operation_name(OSSL_OP_SIGNATURE) | |
6c9bc258 | 1088 | : EVP_KEYMGMT_name(pkey->keymgmt); |
4f76d62f RL |
1089 | EVP_SIGNATURE *signature = NULL; |
1090 | ||
1091 | signature = EVP_SIGNATURE_fetch(libctx, supported_sig, NULL); | |
1092 | if (signature != NULL) { | |
1093 | EVP_SIGNATURE_free(signature); | |
1094 | return 1; | |
1095 | } | |
1096 | } | |
1097 | return 0; | |
1098 | } | |
d02b48c6 | 1099 | |
f1299839 RL |
1100 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
1101 | { | |
1102 | BIO_set_indent(*out, saved_indent); | |
1103 | if (pop_f_prefix) { | |
1104 | BIO *next = BIO_pop(*out); | |
1105 | ||
1106 | BIO_free(*out); | |
1107 | *out = next; | |
1108 | } | |
1109 | return 1; | |
1110 | } | |
1111 | ||
1112 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
1113 | long indent) | |
1114 | { | |
1115 | *pop_f_prefix = 0; | |
1116 | *saved_indent = 0; | |
1117 | if (indent > 0) { | |
1118 | long i = BIO_get_indent(*out); | |
1119 | ||
1120 | *saved_indent = (i < 0 ? 0 : i); | |
1121 | if (BIO_set_indent(*out, indent) <= 0) { | |
1122 | if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) | |
1123 | return 0; | |
1124 | *pop_f_prefix = 1; | |
1125 | } | |
1126 | if (BIO_set_indent(*out, indent) <= 0) { | |
1127 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
1128 | return 0; | |
1129 | } | |
1130 | } | |
1131 | return 1; | |
1132 | } | |
1133 | ||
35208f36 | 1134 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
1135 | const char *kstr) |
1136 | { | |
5310a4e6 P |
1137 | return BIO_indent(out, indent, 128) |
1138 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
1139 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 1140 | } |
35208f36 | 1141 | |
f1299839 | 1142 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
97bb8dff | 1143 | int selection /* For provided encoding */, |
ece9304c | 1144 | const char *propquery /* For provided encoding */, |
f1299839 RL |
1145 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, |
1146 | int indent, ASN1_PCTX *pctx), | |
1147 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 1148 | { |
f1299839 RL |
1149 | int pop_f_prefix; |
1150 | long saved_indent; | |
ece9304c | 1151 | OSSL_ENCODER_CTX *ctx = NULL; |
f1299839 RL |
1152 | int ret = -2; /* default to unsupported */ |
1153 | ||
1154 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
1155 | return 0; | |
54c1711f | 1156 | |
fe75766c TM |
1157 | ctx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, "TEXT", NULL, |
1158 | propquery); | |
97bb8dff | 1159 | if (OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0) |
ece9304c RL |
1160 | ret = OSSL_ENCODER_to_bio(ctx, out); |
1161 | OSSL_ENCODER_CTX_free(ctx); | |
54c1711f RL |
1162 | |
1163 | if (ret != -2) | |
f1299839 | 1164 | goto end; |
54c1711f RL |
1165 | |
1166 | /* legacy fallback */ | |
f1299839 RL |
1167 | if (legacy_print != NULL) |
1168 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
1169 | else | |
1170 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 1171 | |
f1299839 RL |
1172 | end: |
1173 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
1174 | return ret; | |
1175 | } | |
1176 | ||
1177 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
1178 | int indent, ASN1_PCTX *pctx) | |
1179 | { | |
b03da688 | 1180 | return print_pkey(pkey, out, indent, EVP_PKEY_PUBLIC_KEY, NULL, |
f1299839 RL |
1181 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), |
1182 | pctx); | |
0f113f3e | 1183 | } |
35208f36 DSH |
1184 | |
1185 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1186 | int indent, ASN1_PCTX *pctx) |
1187 | { | |
b03da688 | 1188 | return print_pkey(pkey, out, indent, EVP_PKEY_KEYPAIR, NULL, |
f1299839 RL |
1189 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), |
1190 | pctx); | |
0f113f3e | 1191 | } |
35208f36 DSH |
1192 | |
1193 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1194 | int indent, ASN1_PCTX *pctx) |
1195 | { | |
b03da688 | 1196 | return print_pkey(pkey, out, indent, EVP_PKEY_KEY_PARAMETERS, NULL, |
f1299839 RL |
1197 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), |
1198 | pctx); | |
0f113f3e | 1199 | } |
03919683 | 1200 | |
0e2f87c0 TM |
1201 | # ifndef OPENSSL_NO_STDIO |
1202 | int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey, | |
1203 | int indent, ASN1_PCTX *pctx) | |
1204 | { | |
1205 | int ret; | |
1206 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1207 | ||
1208 | if (b == NULL) | |
1209 | return 0; | |
1210 | ret = EVP_PKEY_print_public(b, pkey, indent, pctx); | |
1211 | BIO_free(b); | |
1212 | return ret; | |
1213 | } | |
1214 | ||
1215 | int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey, | |
1216 | int indent, ASN1_PCTX *pctx) | |
1217 | { | |
1218 | int ret; | |
1219 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1220 | ||
1221 | if (b == NULL) | |
1222 | return 0; | |
1223 | ret = EVP_PKEY_print_private(b, pkey, indent, pctx); | |
1224 | BIO_free(b); | |
1225 | return ret; | |
1226 | } | |
1227 | ||
1228 | int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey, | |
1229 | int indent, ASN1_PCTX *pctx) | |
1230 | { | |
1231 | int ret; | |
1232 | BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); | |
1233 | ||
1234 | if (b == NULL) | |
1235 | return 0; | |
1236 | ret = EVP_PKEY_print_params(b, pkey, indent, pctx); | |
1237 | BIO_free(b); | |
1238 | return ret; | |
1239 | } | |
1240 | # endif | |
1241 | ||
fc52ae8c | 1242 | static void mdname2nid(const char *mdname, void *data) |
5060cd5f MC |
1243 | { |
1244 | int *nid = (int *)data; | |
1245 | ||
1246 | if (*nid != NID_undef) | |
1247 | return; | |
1248 | ||
1249 | *nid = OBJ_sn2nid(mdname); | |
1250 | if (*nid == NID_undef) | |
1251 | *nid = OBJ_ln2nid(mdname); | |
1252 | } | |
1253 | ||
ead0d234 RL |
1254 | static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, |
1255 | int arg1, void *arg2) | |
1256 | { | |
3c6ed955 | 1257 | if (pkey->keymgmt == NULL) |
ead0d234 RL |
1258 | return 0; |
1259 | switch (op) { | |
1260 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: | |
1261 | { | |
1262 | char mdname[80] = ""; | |
ead0d234 RL |
1263 | int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, |
1264 | sizeof(mdname)); | |
1265 | ||
90ef39f4 | 1266 | if (rv > 0) { |
5060cd5f MC |
1267 | int mdnum; |
1268 | OSSL_LIB_CTX *libctx = ossl_provider_libctx(pkey->keymgmt->prov); | |
1269 | /* Make sure the MD is in the namemap if available */ | |
1270 | EVP_MD *md = EVP_MD_fetch(libctx, mdname, NULL); | |
1271 | OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx); | |
1272 | int nid = NID_undef; | |
1273 | ||
1274 | /* | |
1275 | * The only reason to fetch the MD was to make sure it is in the | |
1276 | * namemap. We can immediately free it. | |
1277 | */ | |
1278 | EVP_MD_free(md); | |
1279 | mdnum = ossl_namemap_name2num(namemap, mdname); | |
1280 | if (mdnum == 0) | |
1281 | return 0; | |
1282 | ||
1283 | /* | |
1284 | * We have the namemap number - now we need to find the | |
1285 | * associated nid | |
1286 | */ | |
d84f5515 MC |
1287 | if (!ossl_namemap_doall_names(namemap, mdnum, mdname2nid, &nid)) |
1288 | return 0; | |
90ef39f4 RL |
1289 | *(int *)arg2 = nid; |
1290 | } | |
1291 | return rv; | |
ead0d234 RL |
1292 | } |
1293 | default: | |
1294 | return -2; | |
1295 | } | |
1296 | } | |
1297 | ||
5d6aaf8a | 1298 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 1299 | { |
ead0d234 RL |
1300 | if (pkey->ameth == NULL) |
1301 | return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); | |
1302 | if (pkey->ameth->pkey_ctrl == NULL) | |
0f113f3e | 1303 | return -2; |
5d6aaf8a DSH |
1304 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
1305 | } | |
1306 | ||
1307 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
1308 | { | |
1309 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
1310 | } | |
1311 | ||
ead0d234 RL |
1312 | int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, |
1313 | char *mdname, size_t mdname_sz) | |
1314 | { | |
3b924da0 RL |
1315 | if (pkey->ameth == NULL) |
1316 | return evp_keymgmt_util_get_deflt_digest_name(pkey->keymgmt, | |
1317 | pkey->keydata, | |
1318 | mdname, mdname_sz); | |
ead0d234 RL |
1319 | |
1320 | { | |
1321 | int nid = NID_undef; | |
1322 | int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); | |
1323 | const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; | |
1324 | ||
1325 | if (rv > 0) | |
1326 | OPENSSL_strlcpy(mdname, name, mdname_sz); | |
1327 | return rv; | |
1328 | } | |
1329 | } | |
1330 | ||
88bddad4 RL |
1331 | int EVP_PKEY_get_group_name(const EVP_PKEY *pkey, char *gname, size_t gname_sz, |
1332 | size_t *gname_len) | |
1333 | { | |
6fcd92d3 RL |
1334 | return EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_GROUP_NAME, |
1335 | gname, gname_sz, gname_len); | |
88bddad4 RL |
1336 | } |
1337 | ||
ecbb2fca DW |
1338 | int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) |
1339 | { | |
1340 | int rv, default_nid; | |
1341 | ||
1342 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); | |
1343 | if (rv == -2) { | |
1344 | /* | |
1345 | * If there is a mandatory default digest and this isn't it, then | |
1346 | * the answer is 'no'. | |
1347 | */ | |
1348 | rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); | |
1349 | if (rv == 2) | |
1350 | return (nid == default_nid); | |
1351 | /* zero is an error from EVP_PKEY_get_default_digest_nid() */ | |
1352 | if (rv == 0) | |
1353 | return -1; | |
1354 | } | |
1355 | return rv; | |
1356 | } | |
1357 | ||
5ac8fb58 MC |
1358 | int EVP_PKEY_set1_encoded_public_key(EVP_PKEY *pkey, const unsigned char *pub, |
1359 | size_t publen) | |
5d6aaf8a | 1360 | { |
76624df1 RL |
1361 | if (pkey != NULL && evp_pkey_is_provided(pkey)) |
1362 | return | |
1363 | EVP_PKEY_set_octet_string_param(pkey, | |
1364 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1365 | (unsigned char *)pub, publen); | |
6a9bd929 | 1366 | |
5ac8fb58 | 1367 | if (publen > INT_MAX) |
5d6aaf8a | 1368 | return 0; |
5ac8fb58 MC |
1369 | /* Historically this function was EVP_PKEY_set1_tls_encodedpoint */ |
1370 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, publen, | |
1371 | (void *)pub) <= 0) | |
5d6aaf8a DSH |
1372 | return 0; |
1373 | return 1; | |
1374 | } | |
1375 | ||
5ac8fb58 | 1376 | size_t EVP_PKEY_get1_encoded_public_key(EVP_PKEY *pkey, unsigned char **ppub) |
5d6aaf8a DSH |
1377 | { |
1378 | int rv; | |
6a9bd929 | 1379 | |
76624df1 RL |
1380 | if (pkey != NULL && evp_pkey_is_provided(pkey)) { |
1381 | size_t return_size = OSSL_PARAM_UNMODIFIED; | |
6a9bd929 | 1382 | |
76624df1 RL |
1383 | /* |
1384 | * We know that this is going to fail, but it will give us a size | |
1385 | * to allocate. | |
1386 | */ | |
1387 | EVP_PKEY_get_octet_string_param(pkey, | |
1388 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1389 | NULL, 0, &return_size); | |
1390 | if (return_size == OSSL_PARAM_UNMODIFIED) | |
6a9bd929 MC |
1391 | return 0; |
1392 | ||
76624df1 | 1393 | *ppub = OPENSSL_malloc(return_size); |
5ac8fb58 | 1394 | if (*ppub == NULL) |
6a9bd929 MC |
1395 | return 0; |
1396 | ||
76624df1 RL |
1397 | if (!EVP_PKEY_get_octet_string_param(pkey, |
1398 | OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY, | |
1399 | *ppub, return_size, NULL)) | |
6a9bd929 | 1400 | return 0; |
76624df1 | 1401 | return return_size; |
6a9bd929 MC |
1402 | } |
1403 | ||
1404 | ||
5ac8fb58 | 1405 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppub); |
5d6aaf8a DSH |
1406 | if (rv <= 0) |
1407 | return 0; | |
1408 | return rv; | |
0f113f3e | 1409 | } |
e683582b | 1410 | |
f844f9eb | 1411 | #endif /* FIPS_MODULE */ |
e683582b | 1412 | |
f844f9eb | 1413 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
1414 | |
1415 | EVP_PKEY *EVP_PKEY_new(void) | |
1416 | { | |
1417 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
1418 | ||
1419 | if (ret == NULL) { | |
9311d0c4 | 1420 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
e683582b SL |
1421 | return NULL; |
1422 | } | |
4ce1025a | 1423 | |
b574c6a9 MC |
1424 | ret->type = EVP_PKEY_NONE; |
1425 | ret->save_type = EVP_PKEY_NONE; | |
1426 | ret->references = 1; | |
4ce1025a | 1427 | |
8dc34b1f DB |
1428 | ret->lock = CRYPTO_THREAD_lock_new(); |
1429 | if (ret->lock == NULL) { | |
1430 | EVPerr(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1431 | goto err; | |
1432 | } | |
1433 | ||
f844f9eb | 1434 | #ifndef FIPS_MODULE |
b247113c | 1435 | ret->save_parameters = 1; |
ff1f7cde | 1436 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, ret, &ret->ex_data)) { |
9311d0c4 | 1437 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); |
ff1f7cde | 1438 | goto err; |
e683582b | 1439 | } |
ff1f7cde | 1440 | #endif |
e683582b | 1441 | return ret; |
ff1f7cde AT |
1442 | |
1443 | err: | |
1444 | CRYPTO_THREAD_lock_free(ret->lock); | |
1445 | OPENSSL_free(ret); | |
1446 | return NULL; | |
e683582b SL |
1447 | } |
1448 | ||
8243d8d1 RL |
1449 | /* |
1450 | * Setup a public key management method. | |
1451 | * | |
1452 | * For legacy keys, either |type| or |str| is expected to have the type | |
1453 | * information. In this case, the setup consists of finding an ASN1 method | |
1454 | * and potentially an ENGINE, and setting those fields in |pkey|. | |
1455 | * | |
1456 | * For provider side keys, |keymgmt| is expected to be non-NULL. In this | |
1457 | * case, the setup consists of setting the |keymgmt| field in |pkey|. | |
1458 | * | |
1459 | * If pkey is NULL just return 1 or 0 if the key management method exists. | |
1460 | */ | |
1461 | ||
1462 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, | |
1463 | int len, EVP_KEYMGMT *keymgmt) | |
1464 | { | |
f844f9eb | 1465 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1466 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; |
1467 | ENGINE **eptr = (e == NULL) ? &e : NULL; | |
1468 | #endif | |
1469 | ||
1470 | /* | |
1471 | * The setups can't set both legacy and provider side methods. | |
1472 | * It is forbidden | |
1473 | */ | |
1474 | if (!ossl_assert(type == EVP_PKEY_NONE || keymgmt == NULL) | |
1475 | || !ossl_assert(e == NULL || keymgmt == NULL)) { | |
1476 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1477 | return 0; | |
1478 | } | |
1479 | ||
1480 | if (pkey != NULL) { | |
1481 | int free_it = 0; | |
1482 | ||
f844f9eb | 1483 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1484 | free_it = free_it || pkey->pkey.ptr != NULL; |
1485 | #endif | |
1486 | free_it = free_it || pkey->keydata != NULL; | |
1487 | if (free_it) | |
1488 | evp_pkey_free_it(pkey); | |
f844f9eb | 1489 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1490 | /* |
1491 | * If key type matches and a method exists then this lookup has | |
1492 | * succeeded once so just indicate success. | |
1493 | */ | |
1494 | if (pkey->type != EVP_PKEY_NONE | |
1495 | && type == pkey->save_type | |
1496 | && pkey->ameth != NULL) | |
1497 | return 1; | |
1498 | # ifndef OPENSSL_NO_ENGINE | |
1499 | /* If we have ENGINEs release them */ | |
1500 | ENGINE_finish(pkey->engine); | |
1501 | pkey->engine = NULL; | |
1502 | ENGINE_finish(pkey->pmeth_engine); | |
1503 | pkey->pmeth_engine = NULL; | |
1504 | # endif | |
1505 | #endif | |
1506 | } | |
f844f9eb | 1507 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1508 | if (str != NULL) |
1509 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); | |
1510 | else if (type != EVP_PKEY_NONE) | |
1511 | ameth = EVP_PKEY_asn1_find(eptr, type); | |
1512 | # ifndef OPENSSL_NO_ENGINE | |
1513 | if (pkey == NULL && eptr != NULL) | |
1514 | ENGINE_finish(e); | |
1515 | # endif | |
1516 | #endif | |
1517 | ||
1518 | ||
1519 | { | |
1520 | int check = 1; | |
1521 | ||
f844f9eb | 1522 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1523 | check = check && ameth == NULL; |
1524 | #endif | |
1525 | check = check && keymgmt == NULL; | |
1526 | if (check) { | |
9311d0c4 | 1527 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM); |
8243d8d1 RL |
1528 | return 0; |
1529 | } | |
1530 | } | |
1531 | if (pkey != NULL) { | |
1532 | if (keymgmt != NULL && !EVP_KEYMGMT_up_ref(keymgmt)) { | |
1533 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1534 | return 0; | |
1535 | } | |
1536 | ||
1537 | pkey->keymgmt = keymgmt; | |
1538 | ||
1539 | pkey->save_type = type; | |
1540 | pkey->type = type; | |
1541 | ||
f844f9eb | 1542 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1543 | /* |
1544 | * If the internal "origin" key is provider side, don't save |ameth|. | |
1545 | * The main reason is that |ameth| is one factor to detect that the | |
1546 | * internal "origin" key is a legacy one. | |
1547 | */ | |
1548 | if (keymgmt == NULL) | |
1549 | pkey->ameth = ameth; | |
1550 | pkey->engine = e; | |
1551 | ||
1552 | /* | |
5e5bc836 RL |
1553 | * The EVP_PKEY_ASN1_METHOD |pkey_id| retains its legacy key purpose |
1554 | * for any key type that has a legacy implementation, regardless of | |
1555 | * if the internal key is a legacy or a provider side one. When | |
1556 | * there is no legacy implementation for the key, the type becomes | |
1557 | * EVP_PKEY_KEYMGMT, which indicates that one should be cautious | |
1558 | * with functions that expect legacy internal keys. | |
8243d8d1 | 1559 | */ |
28fd8953 MC |
1560 | if (ameth != NULL) { |
1561 | if (type == EVP_PKEY_NONE) | |
1562 | pkey->type = ameth->pkey_id; | |
1563 | } else { | |
5e5bc836 | 1564 | pkey->type = EVP_PKEY_KEYMGMT; |
28fd8953 | 1565 | } |
8243d8d1 RL |
1566 | #endif |
1567 | } | |
1568 | return 1; | |
1569 | } | |
1570 | ||
f844f9eb | 1571 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1572 | static void find_ameth(const char *name, void *data) |
1573 | { | |
1574 | const char **str = data; | |
1575 | ||
1576 | /* | |
1577 | * The error messages from pkey_set_type() are uninteresting here, | |
1578 | * and misleading. | |
1579 | */ | |
1580 | ERR_set_mark(); | |
1581 | ||
1582 | if (pkey_set_type(NULL, NULL, EVP_PKEY_NONE, name, strlen(name), | |
1583 | NULL)) { | |
1584 | if (str[0] == NULL) | |
1585 | str[0] = name; | |
1586 | else if (str[1] == NULL) | |
1587 | str[1] = name; | |
1588 | } | |
1589 | ||
1590 | ERR_pop_to_mark(); | |
1591 | } | |
1592 | #endif | |
1593 | ||
1594 | int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt) | |
1595 | { | |
f844f9eb | 1596 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1597 | # define EVP_PKEY_TYPE_STR str[0] |
1598 | # define EVP_PKEY_TYPE_STRLEN (str[0] == NULL ? -1 : (int)strlen(str[0])) | |
1599 | /* | |
1600 | * Find at most two strings that have an associated EVP_PKEY_ASN1_METHOD | |
1601 | * Ideally, only one should be found. If two (or more) are found, the | |
1602 | * match is ambiguous. This should never happen, but... | |
1603 | */ | |
1604 | const char *str[2] = { NULL, NULL }; | |
1605 | ||
d84f5515 MC |
1606 | if (!EVP_KEYMGMT_names_do_all(keymgmt, find_ameth, &str) |
1607 | || str[1] != NULL) { | |
8243d8d1 RL |
1608 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); |
1609 | return 0; | |
1610 | } | |
1611 | #else | |
1612 | # define EVP_PKEY_TYPE_STR NULL | |
1613 | # define EVP_PKEY_TYPE_STRLEN -1 | |
1614 | #endif | |
1615 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, | |
1616 | EVP_PKEY_TYPE_STR, EVP_PKEY_TYPE_STRLEN, | |
1617 | keymgmt); | |
1618 | ||
1619 | #undef EVP_PKEY_TYPE_STR | |
1620 | #undef EVP_PKEY_TYPE_STRLEN | |
1621 | } | |
1622 | ||
e683582b SL |
1623 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
1624 | { | |
1625 | int i; | |
1626 | ||
1627 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
1628 | return 0; | |
1629 | ||
1630 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
1631 | REF_ASSERT_ISNT(i < 2); | |
1632 | return ((i > 1) ? 1 : 0); | |
1633 | } | |
1634 | ||
f844f9eb | 1635 | #ifndef FIPS_MODULE |
2145ba5e TM |
1636 | EVP_PKEY *EVP_PKEY_dup(EVP_PKEY *pkey) |
1637 | { | |
1638 | EVP_PKEY *dup_pk; | |
1639 | ||
1640 | if (pkey == NULL) { | |
1641 | ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_NULL_PARAMETER); | |
1642 | return NULL; | |
1643 | } | |
1644 | ||
1645 | if ((dup_pk = EVP_PKEY_new()) == NULL) | |
1646 | return NULL; | |
1647 | ||
1648 | if (evp_pkey_is_blank(pkey)) | |
1649 | goto done; | |
1650 | ||
1651 | if (evp_pkey_is_provided(pkey)) { | |
1652 | if (!evp_keymgmt_util_copy(dup_pk, pkey, | |
1653 | OSSL_KEYMGMT_SELECT_ALL)) | |
1654 | goto err; | |
1655 | goto done; | |
1656 | } | |
1657 | ||
1658 | if (evp_pkey_is_legacy(pkey)) { | |
1659 | const EVP_PKEY_ASN1_METHOD *ameth = pkey->ameth; | |
1660 | ||
1661 | if (ameth == NULL || ameth->copy == NULL) { | |
1662 | if (pkey->pkey.ptr == NULL /* empty key, just set type */ | |
1663 | && EVP_PKEY_set_type(dup_pk, pkey->type) != 0) | |
1664 | goto done; | |
1665 | ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_KEY_TYPE); | |
1666 | goto err; | |
1667 | } | |
1668 | if (!ameth->copy(dup_pk, pkey)) | |
1669 | goto err; | |
1670 | goto done; | |
1671 | } | |
1672 | ||
1673 | goto err; | |
1674 | done: | |
1675 | /* copy auxiliary data */ | |
1676 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, | |
1677 | &dup_pk->ex_data, &pkey->ex_data)) | |
1678 | goto err; | |
1679 | ||
1680 | if (pkey->attributes != NULL) { | |
1681 | if ((dup_pk->attributes = ossl_x509at_dup(pkey->attributes)) == NULL) | |
1682 | goto err; | |
1683 | } | |
1684 | return dup_pk; | |
1685 | err: | |
1686 | EVP_PKEY_free(dup_pk); | |
1687 | return NULL; | |
1688 | } | |
1689 | ||
62924755 | 1690 | void evp_pkey_free_legacy(EVP_PKEY *x) |
badf51c8 | 1691 | { |
b574c6a9 MC |
1692 | const EVP_PKEY_ASN1_METHOD *ameth = x->ameth; |
1693 | ENGINE *tmpe = NULL; | |
1694 | ||
1695 | if (ameth == NULL && x->legacy_cache_pkey.ptr != NULL) | |
1696 | ameth = EVP_PKEY_asn1_find(&tmpe, x->type); | |
1697 | ||
1698 | if (ameth != NULL) { | |
1699 | if (x->legacy_cache_pkey.ptr != NULL) { | |
1700 | /* | |
1701 | * We should never have both a legacy origin key, and a key in the | |
1702 | * legacy cache. | |
1703 | */ | |
1704 | assert(x->pkey.ptr == NULL); | |
1705 | /* | |
1706 | * For the purposes of freeing we make the legacy cache look like | |
1707 | * a legacy origin key. | |
1708 | */ | |
1709 | x->pkey = x->legacy_cache_pkey; | |
1710 | x->legacy_cache_pkey.ptr = NULL; | |
1711 | } | |
1712 | if (ameth->pkey_free != NULL) | |
1713 | ameth->pkey_free(x); | |
badf51c8 | 1714 | x->pkey.ptr = NULL; |
badf51c8 RL |
1715 | } |
1716 | # ifndef OPENSSL_NO_ENGINE | |
b574c6a9 | 1717 | ENGINE_finish(tmpe); |
badf51c8 RL |
1718 | ENGINE_finish(x->engine); |
1719 | x->engine = NULL; | |
1720 | ENGINE_finish(x->pmeth_engine); | |
1721 | x->pmeth_engine = NULL; | |
1722 | # endif | |
badf51c8 | 1723 | } |
f844f9eb | 1724 | #endif /* FIPS_MODULE */ |
badf51c8 | 1725 | |
e683582b SL |
1726 | static void evp_pkey_free_it(EVP_PKEY *x) |
1727 | { | |
1728 | /* internal function; x is never NULL */ | |
0b07db6f | 1729 | evp_keymgmt_util_clear_operation_cache(x, 1); |
f844f9eb | 1730 | #ifndef FIPS_MODULE |
badf51c8 RL |
1731 | evp_pkey_free_legacy(x); |
1732 | #endif | |
e683582b | 1733 | |
3c6ed955 RL |
1734 | if (x->keymgmt != NULL) { |
1735 | evp_keymgmt_freedata(x->keymgmt, x->keydata); | |
1736 | EVP_KEYMGMT_free(x->keymgmt); | |
1737 | x->keymgmt = NULL; | |
1738 | x->keydata = NULL; | |
1739 | } | |
5e5bc836 | 1740 | x->type = EVP_PKEY_NONE; |
e683582b SL |
1741 | } |
1742 | ||
1743 | void EVP_PKEY_free(EVP_PKEY *x) | |
1744 | { | |
1745 | int i; | |
1746 | ||
1747 | if (x == NULL) | |
1748 | return; | |
1749 | ||
1750 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
1751 | REF_PRINT_COUNT("EVP_PKEY", x); | |
1752 | if (i > 0) | |
1753 | return; | |
1754 | REF_ASSERT_ISNT(i < 0); | |
1755 | evp_pkey_free_it(x); | |
f844f9eb | 1756 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1757 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, x, &x->ex_data); |
1758 | #endif | |
e683582b | 1759 | CRYPTO_THREAD_lock_free(x->lock); |
f844f9eb | 1760 | #ifndef FIPS_MODULE |
e683582b SL |
1761 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
1762 | #endif | |
1763 | OPENSSL_free(x); | |
1764 | } | |
1765 | ||
e683582b SL |
1766 | int EVP_PKEY_size(const EVP_PKEY *pkey) |
1767 | { | |
adc9f731 RL |
1768 | int size = 0; |
1769 | ||
6508e858 | 1770 | if (pkey != NULL) { |
adc9f731 | 1771 | size = pkey->cache.size; |
f844f9eb | 1772 | #ifndef FIPS_MODULE |
adc9f731 RL |
1773 | if (pkey->ameth != NULL && pkey->ameth->pkey_size != NULL) |
1774 | size = pkey->ameth->pkey_size(pkey); | |
1775 | #endif | |
6508e858 | 1776 | } |
030da844 | 1777 | return size < 0 ? 0 : size; |
e683582b | 1778 | } |
f6aa5774 | 1779 | |
03888233 RL |
1780 | const char *EVP_PKEY_description(const EVP_PKEY *pkey) |
1781 | { | |
1782 | if (!evp_pkey_is_assigned(pkey)) | |
1783 | return NULL; | |
1784 | ||
1785 | if (evp_pkey_is_provided(pkey) && pkey->keymgmt->description != NULL) | |
1786 | return pkey->keymgmt->description; | |
1787 | #ifndef FIPS_MODULE | |
1788 | if (pkey->ameth != NULL) | |
1789 | return pkey->ameth->info; | |
1790 | #endif | |
1791 | return NULL; | |
1792 | } | |
1793 | ||
b4250010 | 1794 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx, |
3c6ed955 RL |
1795 | EVP_KEYMGMT **keymgmt, |
1796 | const char *propquery) | |
f6aa5774 RL |
1797 | { |
1798 | EVP_KEYMGMT *allocated_keymgmt = NULL; | |
1799 | EVP_KEYMGMT *tmp_keymgmt = NULL; | |
b305452f | 1800 | void *keydata = NULL; |
adc9f731 | 1801 | int check; |
f6aa5774 RL |
1802 | |
1803 | if (pk == NULL) | |
1804 | return NULL; | |
1805 | ||
adc9f731 RL |
1806 | /* No key data => nothing to export */ |
1807 | check = 1; | |
f844f9eb | 1808 | #ifndef FIPS_MODULE |
adc9f731 RL |
1809 | check = check && pk->pkey.ptr == NULL; |
1810 | #endif | |
1811 | check = check && pk->keydata == NULL; | |
1812 | if (check) | |
1813 | return NULL; | |
1814 | ||
f844f9eb | 1815 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1816 | if (pk->pkey.ptr != NULL) { |
3f7ce7f1 | 1817 | /* |
3c6ed955 RL |
1818 | * If the legacy key doesn't have an dirty counter or export function, |
1819 | * give up | |
3f7ce7f1 | 1820 | */ |
3c6ed955 RL |
1821 | if (pk->ameth->dirty_cnt == NULL || pk->ameth->export_to == NULL) |
1822 | return NULL; | |
3f7ce7f1 RL |
1823 | } |
1824 | #endif | |
1825 | ||
3c6ed955 RL |
1826 | if (keymgmt != NULL) { |
1827 | tmp_keymgmt = *keymgmt; | |
1828 | *keymgmt = NULL; | |
1829 | } | |
1830 | ||
4b9e90f4 RL |
1831 | /* |
1832 | * If no keymgmt was given or found, get a default keymgmt. We do so by | |
1833 | * letting EVP_PKEY_CTX_new_from_pkey() do it for us, then we steal it. | |
1834 | */ | |
f6aa5774 | 1835 | if (tmp_keymgmt == NULL) { |
2ee4a50a | 1836 | EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); |
f6aa5774 | 1837 | |
4b9e90f4 RL |
1838 | tmp_keymgmt = ctx->keymgmt; |
1839 | ctx->keymgmt = NULL; | |
f6aa5774 RL |
1840 | EVP_PKEY_CTX_free(ctx); |
1841 | } | |
1842 | ||
3c6ed955 | 1843 | /* If there's still no keymgmt to be had, give up */ |
3f7ce7f1 RL |
1844 | if (tmp_keymgmt == NULL) |
1845 | goto end; | |
f6aa5774 | 1846 | |
f844f9eb | 1847 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1848 | if (pk->pkey.ptr != NULL) { |
64954e2f | 1849 | OP_CACHE_ELEM *op; |
3f7ce7f1 RL |
1850 | |
1851 | /* | |
3c6ed955 RL |
1852 | * If the legacy "origin" hasn't changed since last time, we try |
1853 | * to find our keymgmt in the operation cache. If it has changed, | |
1854 | * |i| remains zero, and we will clear the cache further down. | |
3f7ce7f1 | 1855 | */ |
3c6ed955 | 1856 | if (pk->ameth->dirty_cnt(pk) == pk->dirty_cnt_copy) { |
0b07db6f MC |
1857 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
1858 | goto end; | |
64954e2f | 1859 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); |
3c6ed955 RL |
1860 | |
1861 | /* | |
1862 | * If |tmp_keymgmt| is present in the operation cache, it means | |
1863 | * that export doesn't need to be redone. In that case, we take | |
1864 | * token copies of the cached pointers, to have token success | |
1865 | * values to return. | |
1866 | */ | |
64954e2f P |
1867 | if (op != NULL && op->keymgmt != NULL) { |
1868 | keydata = op->keydata; | |
0b07db6f | 1869 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1870 | goto end; |
1871 | } | |
0b07db6f | 1872 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1873 | } |
1874 | ||
3f7ce7f1 | 1875 | /* Make sure that the keymgmt key type matches the legacy NID */ |
0fc39c90 | 1876 | if (!EVP_KEYMGMT_is_a(tmp_keymgmt, OBJ_nid2sn(pk->type))) |
3f7ce7f1 RL |
1877 | goto end; |
1878 | ||
1879 | if ((keydata = evp_keymgmt_newdata(tmp_keymgmt)) == NULL) | |
1880 | goto end; | |
1881 | ||
76e23fc5 | 1882 | if (!pk->ameth->export_to(pk, keydata, tmp_keymgmt, libctx, propquery)) { |
3f7ce7f1 RL |
1883 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1884 | keydata = NULL; | |
1885 | goto end; | |
1886 | } | |
1887 | ||
3c6ed955 RL |
1888 | /* |
1889 | * If the dirty counter changed since last time, then clear the | |
1890 | * operation cache. In that case, we know that |i| is zero. Just | |
1891 | * in case this is a re-export, we increment then decrement the | |
1892 | * keymgmt reference counter. | |
1893 | */ | |
1894 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { /* refcnt++ */ | |
1895 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1896 | keydata = NULL; | |
1897 | goto end; | |
1898 | } | |
0b07db6f MC |
1899 | |
1900 | if (!CRYPTO_THREAD_write_lock(pk->lock)) | |
1901 | goto end; | |
1902 | if (pk->ameth->dirty_cnt(pk) != pk->dirty_cnt_copy | |
1903 | && !evp_keymgmt_util_clear_operation_cache(pk, 0)) { | |
1904 | CRYPTO_THREAD_unlock(pk->lock); | |
1905 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1906 | keydata = NULL; | |
1907 | EVP_KEYMGMT_free(tmp_keymgmt); | |
1908 | goto end; | |
1909 | } | |
3c6ed955 RL |
1910 | EVP_KEYMGMT_free(tmp_keymgmt); /* refcnt-- */ |
1911 | ||
64954e2f P |
1912 | /* Check to make sure some other thread didn't get there first */ |
1913 | op = evp_keymgmt_util_find_operation_cache(pk, tmp_keymgmt); | |
1914 | if (op != NULL && op->keymgmt != NULL) { | |
1915 | void *tmp_keydata = op->keydata; | |
1916 | ||
1917 | CRYPTO_THREAD_unlock(pk->lock); | |
1918 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1919 | keydata = tmp_keydata; | |
1920 | goto end; | |
1921 | } | |
1922 | ||
3c6ed955 | 1923 | /* Add the new export to the operation cache */ |
64954e2f | 1924 | if (!evp_keymgmt_util_cache_keydata(pk, tmp_keymgmt, keydata)) { |
0b07db6f | 1925 | CRYPTO_THREAD_unlock(pk->lock); |
3c6ed955 RL |
1926 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1927 | keydata = NULL; | |
1928 | goto end; | |
1929 | } | |
3f7ce7f1 RL |
1930 | |
1931 | /* Synchronize the dirty count */ | |
1932 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
4a9fe33c | 1933 | |
0b07db6f | 1934 | CRYPTO_THREAD_unlock(pk->lock); |
3f7ce7f1 RL |
1935 | goto end; |
1936 | } | |
f844f9eb | 1937 | #endif /* FIPS_MODULE */ |
3f7ce7f1 RL |
1938 | |
1939 | keydata = evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt); | |
1940 | ||
1941 | end: | |
f6aa5774 RL |
1942 | /* |
1943 | * If nothing was exported, |tmp_keymgmt| might point at a freed | |
1944 | * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for | |
1945 | * the caller either way in that case. | |
1946 | */ | |
b305452f | 1947 | if (keydata == NULL) |
f6aa5774 RL |
1948 | tmp_keymgmt = NULL; |
1949 | ||
1950 | if (keymgmt != NULL) | |
1951 | *keymgmt = tmp_keymgmt; | |
1952 | ||
1953 | EVP_KEYMGMT_free(allocated_keymgmt); | |
b305452f | 1954 | return keydata; |
f6aa5774 | 1955 | } |
badf51c8 | 1956 | |
f844f9eb | 1957 | #ifndef FIPS_MODULE |
4ce1025a | 1958 | int evp_pkey_copy_downgraded(EVP_PKEY **dest, const EVP_PKEY *src) |
badf51c8 | 1959 | { |
4ce1025a RL |
1960 | if (!ossl_assert(dest != NULL)) |
1961 | return 0; | |
badf51c8 | 1962 | |
4ce1025a RL |
1963 | if (evp_pkey_is_assigned(src) && evp_pkey_is_provided(src)) { |
1964 | EVP_KEYMGMT *keymgmt = src->keymgmt; | |
1965 | void *keydata = src->keydata; | |
1966 | int type = src->type; | |
1967 | const char *keytype = NULL; | |
acb90ba8 | 1968 | |
6c9bc258 | 1969 | keytype = EVP_KEYMGMT_name(keymgmt); |
badf51c8 | 1970 | |
4ce1025a RL |
1971 | /* |
1972 | * If the type is EVP_PKEY_NONE, then we have a problem somewhere | |
1973 | * else in our code. If it's not one of the well known EVP_PKEY_xxx | |
1974 | * values, it should at least be EVP_PKEY_KEYMGMT at this point. | |
37cddb2e | 1975 | * The check is kept as a safety measure. |
4ce1025a RL |
1976 | */ |
1977 | if (!ossl_assert(type != EVP_PKEY_NONE)) { | |
1978 | ERR_raise_data(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR, | |
1979 | "keymgmt key type = %s but legacy type = EVP_PKEY_NONE", | |
1980 | keytype); | |
1981 | return 0; | |
1982 | } | |
badf51c8 | 1983 | |
4ce1025a RL |
1984 | /* Prefer the legacy key type name for error reporting */ |
1985 | if (type != EVP_PKEY_KEYMGMT) | |
1986 | keytype = OBJ_nid2sn(type); | |
5e5bc836 | 1987 | |
4ce1025a | 1988 | /* Make sure we have a clean slate to copy into */ |
ec961f86 | 1989 | if (*dest == NULL) { |
4ce1025a | 1990 | *dest = EVP_PKEY_new(); |
ec961f86 MC |
1991 | if (*dest == NULL) { |
1992 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1993 | return 0; | |
1994 | } | |
1995 | } else { | |
4ce1025a | 1996 | evp_pkey_free_it(*dest); |
ec961f86 | 1997 | } |
badf51c8 | 1998 | |
4ce1025a RL |
1999 | if (EVP_PKEY_set_type(*dest, type)) { |
2000 | /* If the key is typed but empty, we're done */ | |
2001 | if (keydata == NULL) | |
2002 | return 1; | |
629c72db | 2003 | |
4ce1025a RL |
2004 | if ((*dest)->ameth->import_from == NULL) { |
2005 | ERR_raise_data(ERR_LIB_EVP, EVP_R_NO_IMPORT_FUNCTION, | |
2006 | "key type = %s", keytype); | |
2007 | } else { | |
629c72db | 2008 | /* |
4ce1025a RL |
2009 | * We perform the export in the same libctx as the keymgmt |
2010 | * that we are using. | |
629c72db | 2011 | */ |
b4250010 | 2012 | OSSL_LIB_CTX *libctx = |
a829b735 | 2013 | ossl_provider_libctx(keymgmt->prov); |
4ce1025a RL |
2014 | EVP_PKEY_CTX *pctx = |
2015 | EVP_PKEY_CTX_new_from_pkey(libctx, *dest, NULL); | |
629c72db | 2016 | |
4ce1025a RL |
2017 | if (pctx == NULL) |
2018 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
629c72db | 2019 | |
4ce1025a RL |
2020 | if (pctx != NULL |
2021 | && evp_keymgmt_export(keymgmt, keydata, | |
2022 | OSSL_KEYMGMT_SELECT_ALL, | |
2023 | (*dest)->ameth->import_from, | |
2024 | pctx)) { | |
2025 | /* Synchronize the dirty count */ | |
2026 | (*dest)->dirty_cnt_copy = (*dest)->ameth->dirty_cnt(*dest); | |
2027 | ||
2028 | EVP_PKEY_CTX_free(pctx); | |
2029 | return 1; | |
2030 | } | |
2031 | EVP_PKEY_CTX_free(pctx); | |
629c72db | 2032 | } |
badf51c8 | 2033 | |
4ce1025a RL |
2034 | ERR_raise_data(ERR_LIB_EVP, EVP_R_KEYMGMT_EXPORT_FAILURE, |
2035 | "key type = %s", keytype); | |
2036 | } | |
badf51c8 RL |
2037 | } |
2038 | ||
4ce1025a RL |
2039 | return 0; |
2040 | } | |
2041 | ||
b574c6a9 | 2042 | void *evp_pkey_get_legacy(EVP_PKEY *pk) |
4ce1025a | 2043 | { |
b574c6a9 MC |
2044 | EVP_PKEY *tmp_copy = NULL; |
2045 | void *ret = NULL; | |
a8154452 RL |
2046 | |
2047 | if (!ossl_assert(pk != NULL)) | |
b574c6a9 | 2048 | return NULL; |
a8154452 RL |
2049 | |
2050 | /* | |
b574c6a9 MC |
2051 | * If this isn't an assigned provider side key, we just use any existing |
2052 | * origin legacy key. | |
a8154452 | 2053 | */ |
b574c6a9 MC |
2054 | if (!evp_pkey_is_assigned(pk)) |
2055 | return NULL; | |
2056 | if (!evp_pkey_is_provided(pk)) | |
2057 | return pk->pkey.ptr; | |
4ce1025a | 2058 | |
b574c6a9 MC |
2059 | if (!CRYPTO_THREAD_read_lock(pk->lock)) |
2060 | return NULL; | |
4ce1025a | 2061 | |
b574c6a9 | 2062 | ret = pk->legacy_cache_pkey.ptr; |
4ce1025a | 2063 | |
b574c6a9 MC |
2064 | if (!CRYPTO_THREAD_unlock(pk->lock)) |
2065 | return NULL; | |
a8154452 | 2066 | |
b574c6a9 MC |
2067 | if (ret != NULL) |
2068 | return ret; | |
4ce1025a | 2069 | |
b574c6a9 MC |
2070 | if (!evp_pkey_copy_downgraded(&tmp_copy, pk)) |
2071 | return NULL; | |
4ce1025a | 2072 | |
b574c6a9 MC |
2073 | if (!CRYPTO_THREAD_write_lock(pk->lock)) |
2074 | goto err; | |
4ce1025a | 2075 | |
b574c6a9 MC |
2076 | /* Check again in case some other thread has updated it in the meantime */ |
2077 | ret = pk->legacy_cache_pkey.ptr; | |
2078 | if (ret == NULL) { | |
2079 | /* Steal the legacy key reference from the temporary copy */ | |
2080 | ret = pk->legacy_cache_pkey.ptr = tmp_copy->pkey.ptr; | |
2081 | tmp_copy->pkey.ptr = NULL; | |
2082 | } | |
4ce1025a | 2083 | |
b574c6a9 MC |
2084 | if (!CRYPTO_THREAD_unlock(pk->lock)) { |
2085 | ret = NULL; | |
2086 | goto err; | |
acb90ba8 | 2087 | } |
4ce1025a | 2088 | |
b574c6a9 MC |
2089 | err: |
2090 | EVP_PKEY_free(tmp_copy); | |
2091 | ||
2092 | return ret; | |
badf51c8 | 2093 | } |
f844f9eb | 2094 | #endif /* FIPS_MODULE */ |
96ebe52e | 2095 | |
a73a1892 RL |
2096 | int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name, |
2097 | BIGNUM **bn) | |
96ebe52e SL |
2098 | { |
2099 | int ret = 0; | |
2100 | OSSL_PARAM params[2]; | |
2101 | unsigned char buffer[2048]; | |
96ebe52e SL |
2102 | unsigned char *buf = NULL; |
2103 | size_t buf_sz = 0; | |
2104 | ||
d82c7f3d | 2105 | if (key_name == NULL |
6084b5c2 | 2106 | || bn == NULL) |
96ebe52e SL |
2107 | return 0; |
2108 | ||
2109 | memset(buffer, 0, sizeof(buffer)); | |
2110 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer)); | |
96ebe52e | 2111 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2112 | if (!EVP_PKEY_get_params(pkey, params)) { |
99ea4f02 | 2113 | if (!OSSL_PARAM_modified(params) || params[0].return_size == 0) |
96ebe52e SL |
2114 | return 0; |
2115 | buf_sz = params[0].return_size; | |
2116 | /* | |
2117 | * If it failed because the buffer was too small then allocate the | |
2118 | * required buffer size and retry. | |
2119 | */ | |
2120 | buf = OPENSSL_zalloc(buf_sz); | |
2121 | if (buf == NULL) | |
2122 | return 0; | |
2123 | params[0].data = buf; | |
2124 | params[0].data_size = buf_sz; | |
2125 | ||
13e85fb3 | 2126 | if (!EVP_PKEY_get_params(pkey, params)) |
96ebe52e SL |
2127 | goto err; |
2128 | } | |
2129 | /* Fail if the param was not found */ | |
99ea4f02 | 2130 | if (!OSSL_PARAM_modified(params)) |
96ebe52e SL |
2131 | goto err; |
2132 | ret = OSSL_PARAM_get_BN(params, bn); | |
2133 | err: | |
2134 | OPENSSL_free(buf); | |
2135 | return ret; | |
2136 | } | |
2137 | ||
a73a1892 | 2138 | int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e SL |
2139 | unsigned char *buf, size_t max_buf_sz, |
2140 | size_t *out_sz) | |
2141 | { | |
2142 | OSSL_PARAM params[2]; | |
76624df1 | 2143 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2144 | |
6084b5c2 | 2145 | if (key_name == NULL) |
96ebe52e SL |
2146 | return 0; |
2147 | ||
2148 | params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz); | |
96ebe52e | 2149 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2150 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2151 | ret2 = OSSL_PARAM_modified(params); | |
2152 | if (ret2 && out_sz != NULL) | |
96ebe52e | 2153 | *out_sz = params[0].return_size; |
76624df1 | 2154 | return ret1 && ret2; |
96ebe52e SL |
2155 | } |
2156 | ||
a73a1892 | 2157 | int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name, |
96ebe52e SL |
2158 | char *str, size_t max_buf_sz, |
2159 | size_t *out_sz) | |
2160 | { | |
2161 | OSSL_PARAM params[2]; | |
76624df1 | 2162 | int ret1 = 0, ret2 = 0; |
96ebe52e | 2163 | |
d82c7f3d | 2164 | if (key_name == NULL) |
96ebe52e SL |
2165 | return 0; |
2166 | ||
2167 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz); | |
96ebe52e | 2168 | params[1] = OSSL_PARAM_construct_end(); |
76624df1 RL |
2169 | if ((ret1 = EVP_PKEY_get_params(pkey, params))) |
2170 | ret2 = OSSL_PARAM_modified(params); | |
2171 | if (ret2 && out_sz != NULL) | |
96ebe52e | 2172 | *out_sz = params[0].return_size; |
76624df1 | 2173 | return ret1 && ret2; |
96ebe52e SL |
2174 | } |
2175 | ||
a73a1892 RL |
2176 | int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name, |
2177 | int *out) | |
96ebe52e SL |
2178 | { |
2179 | OSSL_PARAM params[2]; | |
96ebe52e | 2180 | |
d82c7f3d | 2181 | if (key_name == NULL) |
96ebe52e SL |
2182 | return 0; |
2183 | ||
2184 | params[0] = OSSL_PARAM_construct_int(key_name, out); | |
96ebe52e | 2185 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2186 | return EVP_PKEY_get_params(pkey, params) |
2187 | && OSSL_PARAM_modified(params); | |
96ebe52e SL |
2188 | } |
2189 | ||
a73a1892 RL |
2190 | int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name, |
2191 | size_t *out) | |
96ebe52e SL |
2192 | { |
2193 | OSSL_PARAM params[2]; | |
96ebe52e | 2194 | |
d82c7f3d | 2195 | if (key_name == NULL) |
96ebe52e SL |
2196 | return 0; |
2197 | ||
2198 | params[0] = OSSL_PARAM_construct_size_t(key_name, out); | |
96ebe52e | 2199 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 RL |
2200 | return EVP_PKEY_get_params(pkey, params) |
2201 | && OSSL_PARAM_modified(params); | |
96ebe52e | 2202 | } |
98dbf2c1 SL |
2203 | |
2204 | int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in) | |
2205 | { | |
2206 | OSSL_PARAM params[2]; | |
2207 | ||
d82c7f3d | 2208 | if (key_name == NULL) |
98dbf2c1 SL |
2209 | return 0; |
2210 | ||
2211 | params[0] = OSSL_PARAM_construct_int(key_name, &in); | |
2212 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2213 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2214 | } |
2215 | ||
2216 | int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in) | |
2217 | { | |
2218 | OSSL_PARAM params[2]; | |
2219 | ||
d82c7f3d | 2220 | if (key_name == NULL) |
98dbf2c1 SL |
2221 | return 0; |
2222 | ||
2223 | params[0] = OSSL_PARAM_construct_size_t(key_name, &in); | |
2224 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2225 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2226 | } |
2227 | ||
13e85fb3 RL |
2228 | int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, |
2229 | const BIGNUM *bn) | |
98dbf2c1 SL |
2230 | { |
2231 | OSSL_PARAM params[2]; | |
2232 | unsigned char buffer[2048]; | |
2233 | int bsize = 0; | |
2234 | ||
d82c7f3d RL |
2235 | if (key_name == NULL |
2236 | || bn == NULL | |
2237 | || pkey == NULL | |
6fcd92d3 | 2238 | || !evp_pkey_is_assigned(pkey)) |
98dbf2c1 SL |
2239 | return 0; |
2240 | ||
2241 | bsize = BN_num_bytes(bn); | |
2242 | if (!ossl_assert(bsize <= (int)sizeof(buffer))) | |
2243 | return 0; | |
2244 | ||
2245 | if (BN_bn2nativepad(bn, buffer, bsize) < 0) | |
2246 | return 0; | |
2247 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, bsize); | |
2248 | params[1] = OSSL_PARAM_construct_end(); | |
13e85fb3 | 2249 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2250 | } |
2251 | ||
2252 | int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2253 | const char *str) |
98dbf2c1 SL |
2254 | { |
2255 | OSSL_PARAM params[2]; | |
2256 | ||
d82c7f3d | 2257 | if (key_name == NULL) |
98dbf2c1 SL |
2258 | return 0; |
2259 | ||
13e85fb3 | 2260 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, (char *)str, 0); |
98dbf2c1 | 2261 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2262 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2263 | } |
2264 | ||
2265 | int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name, | |
13e85fb3 | 2266 | const unsigned char *buf, size_t bsize) |
98dbf2c1 SL |
2267 | { |
2268 | OSSL_PARAM params[2]; | |
2269 | ||
d82c7f3d | 2270 | if (key_name == NULL) |
98dbf2c1 SL |
2271 | return 0; |
2272 | ||
13e85fb3 RL |
2273 | params[0] = OSSL_PARAM_construct_octet_string(key_name, |
2274 | (unsigned char *)buf, bsize); | |
98dbf2c1 | 2275 | params[1] = OSSL_PARAM_construct_end(); |
13e85fb3 | 2276 | return EVP_PKEY_set_params(pkey, params); |
98dbf2c1 SL |
2277 | } |
2278 | ||
d82c7f3d | 2279 | const OSSL_PARAM *EVP_PKEY_settable_params(const EVP_PKEY *pkey) |
98dbf2c1 | 2280 | { |
d82c7f3d RL |
2281 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2282 | ? EVP_KEYMGMT_settable_params(pkey->keymgmt) | |
2283 | : NULL; | |
98dbf2c1 SL |
2284 | } |
2285 | ||
2286 | int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2287 | { | |
6fcd92d3 RL |
2288 | if (pkey != NULL) { |
2289 | if (evp_pkey_is_provided(pkey)) { | |
2290 | pkey->dirty_cnt++; | |
2291 | return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params); | |
2292 | } | |
2293 | #ifndef FIPS_MODULE | |
2294 | /* | |
6fcd92d3 RL |
2295 | * We will hopefully never find the need to set individual data in |
2296 | * EVP_PKEYs with a legacy internal key, but we can't be entirely | |
2297 | * sure. This bit of code can be enabled if we find the need. If | |
2298 | * not, it can safely be removed when #legacy support is removed. | |
2299 | */ | |
2300 | # if 0 | |
2301 | else if (evp_pkey_is_legacy(pkey)) { | |
2302 | return evp_pkey_set_params_to_ctrl(pkey, params); | |
2303 | } | |
2304 | # endif | |
2305 | #endif | |
2306 | } | |
2307 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2308 | return 0; | |
98dbf2c1 | 2309 | } |
3d34bedf | 2310 | |
13e85fb3 RL |
2311 | const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey) |
2312 | { | |
d82c7f3d RL |
2313 | return (pkey != NULL && evp_pkey_is_provided(pkey)) |
2314 | ? EVP_KEYMGMT_gettable_params(pkey->keymgmt) | |
2315 | : NULL; | |
13e85fb3 RL |
2316 | } |
2317 | ||
2318 | int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]) | |
2319 | { | |
6fcd92d3 RL |
2320 | if (pkey != NULL) { |
2321 | if (evp_pkey_is_provided(pkey)) | |
2322 | return evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params); | |
2323 | #ifndef FIPS_MODULE | |
2324 | else if (evp_pkey_is_legacy(pkey)) | |
2325 | return evp_pkey_get_params_to_ctrl(pkey, params); | |
2326 | #endif | |
2327 | } | |
2328 | ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_KEY); | |
2329 | return 0; | |
13e85fb3 RL |
2330 | } |
2331 | ||
3d34bedf MC |
2332 | #ifndef FIPS_MODULE |
2333 | int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey) | |
2334 | { | |
2335 | char name[80]; | |
2336 | size_t name_len; | |
2337 | ||
2338 | if (pkey == NULL) | |
2339 | return 0; | |
2340 | ||
2341 | if (pkey->keymgmt == NULL | |
2342 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2343 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2344 | /* Might work through the legacy route */ |
7bc0fdd3 | 2345 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2346 | |
2347 | if (ec == NULL) | |
2348 | return 0; | |
2349 | ||
2350 | return EC_KEY_get_conv_form(ec); | |
0e2f87c0 | 2351 | # else |
3d34bedf | 2352 | return 0; |
0e2f87c0 | 2353 | # endif |
3d34bedf MC |
2354 | } |
2355 | ||
2356 | if (!EVP_PKEY_get_utf8_string_param(pkey, | |
2357 | OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, | |
2358 | name, sizeof(name), &name_len)) | |
2359 | return 0; | |
2360 | ||
2361 | if (strcmp(name, "uncompressed") == 0) | |
2362 | return POINT_CONVERSION_UNCOMPRESSED; | |
2363 | ||
2364 | if (strcmp(name, "compressed") == 0) | |
2365 | return POINT_CONVERSION_COMPRESSED; | |
2366 | ||
2367 | if (strcmp(name, "hybrid") == 0) | |
2368 | return POINT_CONVERSION_HYBRID; | |
2369 | ||
2370 | return 0; | |
2371 | } | |
2372 | ||
2373 | int EVP_PKEY_get_field_type(const EVP_PKEY *pkey) | |
2374 | { | |
2375 | char fstr[80]; | |
2376 | size_t fstrlen; | |
2377 | ||
2378 | if (pkey == NULL) | |
2379 | return 0; | |
2380 | ||
2381 | if (pkey->keymgmt == NULL | |
2382 | || pkey->keydata == NULL) { | |
0e2f87c0 | 2383 | # ifndef OPENSSL_NO_EC |
3d34bedf | 2384 | /* Might work through the legacy route */ |
7bc0fdd3 | 2385 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); |
3d34bedf MC |
2386 | const EC_GROUP *grp; |
2387 | ||
2388 | if (ec == NULL) | |
2389 | return 0; | |
2390 | grp = EC_KEY_get0_group(ec); | |
82a46200 TM |
2391 | if (grp == NULL) |
2392 | return 0; | |
3d34bedf MC |
2393 | |
2394 | return EC_GROUP_get_field_type(grp); | |
0e2f87c0 | 2395 | # else |
3d34bedf | 2396 | return 0; |
0e2f87c0 | 2397 | # endif |
3d34bedf MC |
2398 | } |
2399 | ||
2400 | if (!EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_EC_FIELD_TYPE, | |
2401 | fstr, sizeof(fstr), &fstrlen)) | |
2402 | return 0; | |
2403 | ||
2404 | if (strcmp(fstr, SN_X9_62_prime_field) == 0) | |
2405 | return NID_X9_62_prime_field; | |
2406 | else if (strcmp(fstr, SN_X9_62_characteristic_two_field)) | |
2407 | return NID_X9_62_characteristic_two_field; | |
2408 | ||
2409 | return 0; | |
2410 | } | |
2411 | #endif |