]>
Commit | Line | Data |
---|---|---|
62867571 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 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 | ||
d02b48c6 | 16 | #include <stdio.h> |
b39fc560 | 17 | #include "internal/cryptlib.h" |
cd420b0b | 18 | #include "internal/refcount.h" |
4d94ae00 BM |
19 | #include <openssl/bn.h> |
20 | #include <openssl/err.h> | |
ec577822 BM |
21 | #include <openssl/objects.h> |
22 | #include <openssl/evp.h> | |
ec577822 | 23 | #include <openssl/x509.h> |
3c27208f RS |
24 | #include <openssl/rsa.h> |
25 | #include <openssl/dsa.h> | |
26 | #include <openssl/dh.h> | |
4f76d62f | 27 | #include <openssl/ec.h> |
b3831fbb | 28 | #include <openssl/cmac.h> |
3c27208f | 29 | #include <openssl/engine.h> |
e74bd290 | 30 | #include <openssl/params.h> |
1c4f340d | 31 | #include <openssl/param_build.h> |
54c1711f | 32 | #include <openssl/serializer.h> |
e74bd290 | 33 | #include <openssl/core_names.h> |
01b8b3c7 | 34 | |
25f2138b DMSP |
35 | #include "crypto/asn1.h" |
36 | #include "crypto/evp.h" | |
c2041da8 | 37 | #include "internal/evp.h" |
e74bd290 | 38 | #include "internal/provider.h" |
f6aa5774 | 39 | #include "evp_local.h" |
852c2ed2 | 40 | DEFINE_STACK_OF(X509_ATTRIBUTE) |
18e377b4 | 41 | |
4f76d62f RL |
42 | #include "crypto/ec.h" |
43 | ||
44 | /* TODO remove this when the EVP_PKEY_is_a() #legacy support hack is removed */ | |
45 | #include "e_os.h" /* strcasecmp on Windows */ | |
46 | ||
8243d8d1 RL |
47 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, |
48 | int len, EVP_KEYMGMT *keymgmt); | |
e683582b SL |
49 | static void evp_pkey_free_it(EVP_PKEY *key); |
50 | ||
f844f9eb | 51 | #ifndef FIPS_MODULE |
bb2297a4 | 52 | |
8158cf20 RL |
53 | /* The type of parameters selected in key parameter functions */ |
54 | # define SELECT_PARAMETERS OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS | |
55 | ||
8900f3e3 | 56 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e | 57 | { |
6508e858 RL |
58 | if (pkey != NULL) { |
59 | if (pkey->ameth == NULL) | |
60 | return pkey->cache.bits; | |
61 | else if (pkey->ameth->pkey_bits) | |
62 | return pkey->ameth->pkey_bits(pkey); | |
63 | } | |
0f113f3e MC |
64 | return 0; |
65 | } | |
58964a49 | 66 | |
2514fa79 | 67 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
68 | { |
69 | if (pkey == NULL) | |
70 | return 0; | |
6508e858 RL |
71 | if (pkey->ameth == NULL) |
72 | return pkey->cache.security_bits; | |
73 | if (pkey->ameth->pkey_security_bits == NULL) | |
0f113f3e MC |
74 | return -2; |
75 | return pkey->ameth->pkey_security_bits(pkey); | |
76 | } | |
2514fa79 | 77 | |
6b691a5c | 78 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 79 | { |
e683582b | 80 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
81 | if (pkey->type == EVP_PKEY_DSA) { |
82 | int ret = pkey->save_parameters; | |
83 | ||
84 | if (mode >= 0) | |
85 | pkey->save_parameters = mode; | |
26a7d938 | 86 | return ret; |
0f113f3e | 87 | } |
e683582b SL |
88 | # endif |
89 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
90 | if (pkey->type == EVP_PKEY_EC) { |
91 | int ret = pkey->save_parameters; | |
92 | ||
93 | if (mode >= 0) | |
94 | pkey->save_parameters = mode; | |
26a7d938 | 95 | return ret; |
0f113f3e | 96 | } |
e683582b | 97 | # endif |
26a7d938 | 98 | return 0; |
0f113f3e | 99 | } |
d02b48c6 | 100 | |
ff1f7cde AT |
101 | int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg) |
102 | { | |
103 | return CRYPTO_set_ex_data(&key->ex_data, idx, arg); | |
104 | } | |
105 | ||
106 | void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx) | |
107 | { | |
108 | return CRYPTO_get_ex_data(&key->ex_data, idx); | |
109 | } | |
110 | ||
a8b72844 | 111 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 112 | { |
ff3b59e1 RL |
113 | /* |
114 | * TODO: clean up legacy stuff from this function when legacy support | |
115 | * is gone. | |
116 | */ | |
117 | ||
118 | /* | |
acb90ba8 RL |
119 | * If |to| is a legacy key and |from| isn't, we must downgrade |from|. |
120 | * If that fails, this function fails. | |
ff3b59e1 | 121 | */ |
acb90ba8 RL |
122 | if (to->type != EVP_PKEY_NONE && from->keymgmt != NULL) |
123 | if (!evp_pkey_downgrade((EVP_PKEY *)from)) | |
124 | return 0; | |
125 | ||
126 | /* | |
127 | * Make sure |to| is typed. Content is less important at this early | |
128 | * stage. | |
129 | * | |
130 | * 1. If |to| is untyped, assign |from|'s key type to it. | |
131 | * 2. If |to| contains a legacy key, compare its |type| to |from|'s. | |
132 | * (|from| was already downgraded above) | |
133 | * | |
134 | * If |to| is a provided key, there's nothing more to do here, functions | |
135 | * like evp_keymgmt_util_copy() and evp_pkey_export_to_provider() called | |
136 | * further down help us find out if they are the same or not. | |
137 | */ | |
138 | if (to->type == EVP_PKEY_NONE && to->keymgmt == NULL) { | |
139 | if (from->type != EVP_PKEY_NONE) { | |
ff3b59e1 RL |
140 | if (EVP_PKEY_set_type(to, from->type) == 0) |
141 | return 0; | |
acb90ba8 RL |
142 | } else { |
143 | if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0) | |
144 | return 0; | |
145 | } | |
146 | } else if (to->type != EVP_PKEY_NONE) { | |
147 | if (to->type != from->type) { | |
ff3b59e1 RL |
148 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
149 | goto err; | |
150 | } | |
0f113f3e MC |
151 | } |
152 | ||
153 | if (EVP_PKEY_missing_parameters(from)) { | |
154 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
155 | goto err; | |
156 | } | |
f72f00d4 DSH |
157 | |
158 | if (!EVP_PKEY_missing_parameters(to)) { | |
159 | if (EVP_PKEY_cmp_parameters(to, from) == 1) | |
160 | return 1; | |
161 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS); | |
162 | return 0; | |
163 | } | |
164 | ||
ff3b59e1 RL |
165 | /* For purely provided keys, we just call the keymgmt utility */ |
166 | if (to->keymgmt != NULL && from->keymgmt != NULL) | |
8158cf20 | 167 | return evp_keymgmt_util_copy(to, (EVP_PKEY *)from, SELECT_PARAMETERS); |
ff3b59e1 RL |
168 | |
169 | /* | |
170 | * If |to| is provided, we know that |from| is legacy at this point. | |
171 | * Try exporting |from| to |to|'s keymgmt, then use evp_keymgmt_copy() | |
172 | * to copy the appropriate data to |to|'s keydata. | |
173 | */ | |
174 | if (to->keymgmt != NULL) { | |
175 | EVP_KEYMGMT *to_keymgmt = to->keymgmt; | |
176 | void *from_keydata = | |
177 | evp_pkey_export_to_provider((EVP_PKEY *)from, NULL, &to_keymgmt, | |
178 | NULL); | |
179 | ||
acb90ba8 RL |
180 | /* |
181 | * If we get a NULL, it could be an internal error, or it could be | |
182 | * that there's a key mismatch. We're pretending the latter... | |
183 | */ | |
ff3b59e1 | 184 | if (from_keydata == NULL) { |
acb90ba8 | 185 | ERR_raise(ERR_LIB_EVP, EVP_R_DIFFERENT_KEY_TYPES); |
ff3b59e1 RL |
186 | return 0; |
187 | } | |
188 | return evp_keymgmt_copy(to->keymgmt, to->keydata, from_keydata, | |
8158cf20 | 189 | SELECT_PARAMETERS); |
ff3b59e1 RL |
190 | } |
191 | ||
192 | /* Both keys are legacy */ | |
193 | if (from->ameth != NULL && from->ameth->param_copy != NULL) | |
0f113f3e MC |
194 | return from->ameth->param_copy(to, from); |
195 | err: | |
196 | return 0; | |
197 | } | |
d02b48c6 | 198 | |
af0f0f3e | 199 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e | 200 | { |
157ded39 RL |
201 | if (pkey != NULL) { |
202 | if (pkey->keymgmt != NULL) | |
8158cf20 | 203 | return !evp_keymgmt_util_has((EVP_PKEY *)pkey, SELECT_PARAMETERS); |
157ded39 RL |
204 | else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL) |
205 | return pkey->ameth->param_missing(pkey); | |
206 | } | |
0f113f3e MC |
207 | return 0; |
208 | } | |
d02b48c6 | 209 | |
1e9101c4 RL |
210 | /* |
211 | * This function is called for any mixture of keys except pure legacy pair. | |
212 | * TODO When legacy keys are gone, we replace a call to this functions with | |
213 | * a call to evp_keymgmt_util_match(). | |
214 | */ | |
215 | static int evp_pkey_cmp_any(const EVP_PKEY *a, const EVP_PKEY *b, | |
216 | int selection) | |
217 | { | |
218 | EVP_KEYMGMT *keymgmt1 = NULL, *keymgmt2 = NULL; | |
219 | void *keydata1 = NULL, *keydata2 = NULL, *tmp_keydata = NULL; | |
220 | ||
221 | /* If none of them are provided, this function shouldn't have been called */ | |
222 | if (!ossl_assert(a->keymgmt != NULL || b->keymgmt != NULL)) | |
223 | return -2; | |
224 | ||
225 | /* For purely provided keys, we just call the keymgmt utility */ | |
226 | if (a->keymgmt != NULL && b->keymgmt != NULL) | |
227 | return evp_keymgmt_util_match((EVP_PKEY *)a, (EVP_PKEY *)b, selection); | |
228 | ||
229 | /* | |
acb90ba8 RL |
230 | * At this point, one of them is provided, the other not. This allows |
231 | * us to compare types using legacy NIDs. | |
232 | */ | |
233 | if ((a->type != EVP_PKEY_NONE | |
dc8908bf P |
234 | && (b->keymgmt == NULL |
235 | || !EVP_KEYMGMT_is_a(b->keymgmt, OBJ_nid2sn(a->type)))) | |
acb90ba8 | 236 | || (b->type != EVP_PKEY_NONE |
dc8908bf P |
237 | && (a->keymgmt == NULL |
238 | || !EVP_KEYMGMT_is_a(a->keymgmt, OBJ_nid2sn(b->type))))) | |
acb90ba8 RL |
239 | return -1; /* not the same key type */ |
240 | ||
241 | /* | |
242 | * We've determined that they both are the same keytype, so the next | |
243 | * step is to do a bit of cross export to ensure we have keydata for | |
244 | * both keys in the same keymgmt. | |
1e9101c4 RL |
245 | */ |
246 | keymgmt1 = a->keymgmt; | |
247 | keydata1 = a->keydata; | |
248 | keymgmt2 = b->keymgmt; | |
249 | keydata2 = b->keydata; | |
250 | ||
1e9101c4 RL |
251 | if (keymgmt2 != NULL && keymgmt2->match != NULL) { |
252 | tmp_keydata = | |
253 | evp_pkey_export_to_provider((EVP_PKEY *)a, NULL, &keymgmt2, NULL); | |
254 | if (tmp_keydata != NULL) { | |
255 | keymgmt1 = keymgmt2; | |
256 | keydata1 = tmp_keydata; | |
257 | } | |
258 | } | |
259 | if (tmp_keydata == NULL && keymgmt1 != NULL && keymgmt1->match != NULL) { | |
260 | tmp_keydata = | |
261 | evp_pkey_export_to_provider((EVP_PKEY *)b, NULL, &keymgmt1, NULL); | |
262 | if (tmp_keydata != NULL) { | |
263 | keymgmt2 = keymgmt1; | |
264 | keydata2 = tmp_keydata; | |
265 | } | |
266 | } | |
267 | ||
268 | /* If we still don't have matching keymgmt implementations, we give up */ | |
269 | if (keymgmt1 != keymgmt2) | |
270 | return -2; | |
271 | ||
272 | return evp_keymgmt_match(keymgmt1, keydata1, keydata2, selection); | |
273 | } | |
274 | ||
af0f0f3e | 275 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e | 276 | { |
1e9101c4 RL |
277 | /* |
278 | * TODO: clean up legacy stuff from this function when legacy support | |
279 | * is gone. | |
280 | */ | |
281 | ||
282 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 | 283 | return evp_pkey_cmp_any(a, b, SELECT_PARAMETERS); |
1e9101c4 RL |
284 | |
285 | /* All legacy keys */ | |
0f113f3e MC |
286 | if (a->type != b->type) |
287 | return -1; | |
1e9101c4 | 288 | if (a->ameth != NULL && a->ameth->param_cmp != NULL) |
0f113f3e MC |
289 | return a->ameth->param_cmp(a, b); |
290 | return -2; | |
291 | } | |
58964a49 | 292 | |
af0f0f3e | 293 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e | 294 | { |
1e9101c4 RL |
295 | /* |
296 | * TODO: clean up legacy stuff from this function when legacy support | |
297 | * is gone. | |
298 | */ | |
299 | ||
300 | if (a->keymgmt != NULL || b->keymgmt != NULL) | |
8158cf20 RL |
301 | return evp_pkey_cmp_any(a, b, (SELECT_PARAMETERS |
302 | | OSSL_KEYMGMT_SELECT_PUBLIC_KEY)); | |
1e9101c4 RL |
303 | |
304 | /* All legacy keys */ | |
0f113f3e MC |
305 | if (a->type != b->type) |
306 | return -1; | |
307 | ||
1e9101c4 | 308 | if (a->ameth != NULL) { |
0f113f3e MC |
309 | int ret; |
310 | /* Compare parameters if the algorithm has them */ | |
1e9101c4 | 311 | if (a->ameth->param_cmp != NULL) { |
0f113f3e MC |
312 | ret = a->ameth->param_cmp(a, b); |
313 | if (ret <= 0) | |
314 | return ret; | |
315 | } | |
316 | ||
1e9101c4 | 317 | if (a->ameth->pub_cmp != NULL) |
0f113f3e MC |
318 | return a->ameth->pub_cmp(a, b); |
319 | } | |
320 | ||
321 | return -2; | |
322 | } | |
e6526fbf | 323 | |
1c4f340d MC |
324 | |
325 | static EVP_PKEY *new_raw_key_int(OPENSSL_CTX *libctx, | |
326 | const char *strtype, | |
327 | const char *propq, | |
328 | int nidtype, | |
329 | ENGINE *e, | |
330 | const unsigned char *key, | |
331 | size_t len, | |
332 | int key_is_priv) | |
a08802ce | 333 | { |
1c4f340d MC |
334 | EVP_PKEY *pkey = NULL; |
335 | EVP_PKEY_CTX *ctx = NULL; | |
336 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; | |
337 | int result = 0; | |
338 | ||
339 | # ifndef OPENSSL_NO_ENGINE | |
340 | /* Check if there is an Engine for this type */ | |
341 | if (e == NULL) { | |
342 | ENGINE *tmpe = NULL; | |
343 | ||
344 | if (strtype != NULL) | |
345 | ameth = EVP_PKEY_asn1_find_str(&tmpe, strtype, -1); | |
346 | else if (nidtype != EVP_PKEY_NONE) | |
347 | ameth = EVP_PKEY_asn1_find(&tmpe, nidtype); | |
348 | ||
349 | /* If tmpe is NULL then no engine is claiming to support this type */ | |
350 | if (tmpe == NULL) | |
351 | ameth = NULL; | |
352 | ||
353 | ENGINE_finish(tmpe); | |
354 | } | |
355 | # endif | |
a08802ce | 356 | |
1c4f340d MC |
357 | if (e == NULL && ameth == NULL) { |
358 | /* | |
359 | * No engine is claiming to support this type, so lets see if we have | |
360 | * a provider. | |
361 | */ | |
362 | ctx = EVP_PKEY_CTX_new_from_name(libctx, | |
363 | strtype != NULL ? strtype | |
364 | : OBJ_nid2sn(nidtype), | |
365 | propq); | |
366 | if (ctx == NULL) { | |
367 | EVPerr(0, ERR_R_MALLOC_FAILURE); | |
368 | goto err; | |
369 | } | |
370 | /* May fail if no provider available */ | |
371 | ERR_set_mark(); | |
372 | if (EVP_PKEY_key_fromdata_init(ctx) == 1) { | |
373 | OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END }; | |
374 | ||
375 | ERR_clear_last_mark(); | |
376 | params[0] = OSSL_PARAM_construct_octet_string( | |
377 | key_is_priv ? OSSL_PKEY_PARAM_PRIV_KEY | |
378 | : OSSL_PKEY_PARAM_PUB_KEY, | |
379 | (void *)key, len); | |
380 | ||
381 | if (EVP_PKEY_fromdata(ctx, &pkey, params) != 1) { | |
382 | EVPerr(0, EVP_R_KEY_SETUP_FAILED); | |
383 | goto err; | |
384 | } | |
385 | ||
386 | EVP_PKEY_CTX_free(ctx); | |
387 | ||
388 | return pkey; | |
389 | } | |
390 | ERR_pop_to_mark(); | |
391 | /* else not supported so fallback to legacy */ | |
a08802ce MC |
392 | } |
393 | ||
1c4f340d MC |
394 | /* Legacy code path */ |
395 | ||
396 | pkey = EVP_PKEY_new(); | |
397 | if (pkey == NULL) { | |
398 | EVPerr(0, ERR_R_MALLOC_FAILURE); | |
a08802ce MC |
399 | goto err; |
400 | } | |
401 | ||
1c4f340d MC |
402 | if (!pkey_set_type(pkey, e, nidtype, strtype, -1, NULL)) { |
403 | /* EVPerr already called */ | |
a08802ce MC |
404 | goto err; |
405 | } | |
406 | ||
1c4f340d MC |
407 | if (!ossl_assert(pkey->ameth != NULL)) |
408 | goto err; | |
a08802ce | 409 | |
1c4f340d MC |
410 | if (key_is_priv) { |
411 | if (pkey->ameth->set_priv_key == NULL) { | |
412 | EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
413 | goto err; | |
414 | } | |
a08802ce | 415 | |
1c4f340d MC |
416 | if (!pkey->ameth->set_priv_key(pkey, key, len)) { |
417 | EVPerr(0, EVP_R_KEY_SETUP_FAILED); | |
418 | goto err; | |
419 | } | |
420 | } else { | |
421 | if (pkey->ameth->set_pub_key == NULL) { | |
422 | EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
423 | goto err; | |
424 | } | |
a08802ce | 425 | |
1c4f340d MC |
426 | if (!pkey->ameth->set_pub_key(pkey, key, len)) { |
427 | EVPerr(0, EVP_R_KEY_SETUP_FAILED); | |
428 | goto err; | |
429 | } | |
a08802ce MC |
430 | } |
431 | ||
1c4f340d MC |
432 | result = 1; |
433 | err: | |
434 | if (!result) { | |
435 | EVP_PKEY_free(pkey); | |
436 | pkey = NULL; | |
a08802ce | 437 | } |
1c4f340d MC |
438 | EVP_PKEY_CTX_free(ctx); |
439 | return pkey; | |
440 | } | |
a08802ce | 441 | |
1c4f340d MC |
442 | EVP_PKEY *EVP_PKEY_new_raw_private_key_with_libctx(OPENSSL_CTX *libctx, |
443 | const char *keytype, | |
444 | const char *propq, | |
445 | const unsigned char *priv, | |
446 | size_t len) | |
447 | { | |
448 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, priv, | |
449 | len, 1); | |
450 | } | |
a08802ce | 451 | |
1c4f340d MC |
452 | EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e, |
453 | const unsigned char *priv, | |
454 | size_t len) | |
455 | { | |
456 | return new_raw_key_int(NULL, NULL, NULL, type, e, priv, len, 1); | |
457 | } | |
a08802ce | 458 | |
1c4f340d MC |
459 | EVP_PKEY *EVP_PKEY_new_raw_public_key_with_libctx(OPENSSL_CTX *libctx, |
460 | const char *keytype, | |
461 | const char *propq, | |
462 | const unsigned char *pub, | |
463 | size_t len) | |
464 | { | |
465 | return new_raw_key_int(libctx, keytype, propq, EVP_PKEY_NONE, NULL, pub, | |
466 | len, 0); | |
467 | } | |
468 | ||
469 | EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e, | |
470 | const unsigned char *pub, | |
471 | size_t len) | |
472 | { | |
473 | return new_raw_key_int(NULL, NULL, NULL, type, e, pub, len, 0); | |
a08802ce MC |
474 | } |
475 | ||
c19d8978 MC |
476 | struct raw_key_details_st |
477 | { | |
478 | unsigned char **key; | |
479 | size_t *len; | |
480 | int selection; | |
481 | }; | |
482 | ||
483 | static OSSL_CALLBACK get_raw_key_details; | |
484 | static int get_raw_key_details(const OSSL_PARAM params[], void *arg) | |
485 | { | |
486 | const OSSL_PARAM *p = NULL; | |
487 | struct raw_key_details_st *raw_key = arg; | |
488 | ||
489 | if (raw_key->selection == OSSL_KEYMGMT_SELECT_PRIVATE_KEY) { | |
490 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY)) | |
491 | != NULL) | |
492 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
493 | SIZE_MAX, raw_key->len); | |
494 | } else if (raw_key->selection == OSSL_KEYMGMT_SELECT_PUBLIC_KEY) { | |
495 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY)) | |
496 | != NULL) | |
497 | return OSSL_PARAM_get_octet_string(p, (void **)raw_key->key, | |
498 | SIZE_MAX, raw_key->len); | |
499 | } | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
0d124b0a MC |
504 | int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv, |
505 | size_t *len) | |
506 | { | |
c19d8978 MC |
507 | if (pkey->keymgmt != NULL) { |
508 | struct raw_key_details_st raw_key; | |
509 | ||
510 | raw_key.key = priv == NULL ? NULL : &priv; | |
511 | raw_key.len = len; | |
512 | raw_key.selection = OSSL_KEYMGMT_SELECT_PRIVATE_KEY; | |
513 | ||
514 | return evp_keymgmt_export(pkey->keymgmt, pkey->keydata, | |
515 | OSSL_KEYMGMT_SELECT_PRIVATE_KEY, | |
516 | get_raw_key_details, &raw_key); | |
517 | } | |
518 | ||
519 | if (pkey->ameth == NULL) { | |
520 | EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
521 | return 0; | |
522 | } | |
523 | ||
524 | if (pkey->ameth->get_priv_key == NULL) { | |
525 | EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
0d124b0a MC |
526 | return 0; |
527 | } | |
528 | ||
529 | if (!pkey->ameth->get_priv_key(pkey, priv, len)) { | |
c19d8978 | 530 | EVPerr(0, EVP_R_GET_RAW_KEY_FAILED); |
0d124b0a MC |
531 | return 0; |
532 | } | |
533 | ||
534 | return 1; | |
535 | } | |
536 | ||
537 | int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub, | |
538 | size_t *len) | |
539 | { | |
c19d8978 MC |
540 | if (pkey->keymgmt != NULL) { |
541 | struct raw_key_details_st raw_key; | |
542 | ||
543 | raw_key.key = pub == NULL ? NULL : &pub; | |
544 | raw_key.len = len; | |
545 | raw_key.selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY; | |
546 | ||
547 | return evp_keymgmt_export(pkey->keymgmt, pkey->keydata, | |
548 | OSSL_KEYMGMT_SELECT_PUBLIC_KEY, | |
549 | get_raw_key_details, &raw_key); | |
550 | } | |
551 | ||
552 | if (pkey->ameth == NULL) { | |
553 | EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
554 | return 0; | |
555 | } | |
556 | ||
0d124b0a MC |
557 | if (pkey->ameth->get_pub_key == NULL) { |
558 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, | |
559 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
560 | return 0; | |
561 | } | |
562 | ||
563 | if (!pkey->ameth->get_pub_key(pkey, pub, len)) { | |
564 | EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED); | |
565 | return 0; | |
566 | } | |
567 | ||
568 | return 1; | |
569 | } | |
570 | ||
b3831fbb MC |
571 | EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv, |
572 | size_t len, const EVP_CIPHER *cipher) | |
573 | { | |
e683582b SL |
574 | # ifndef OPENSSL_NO_CMAC |
575 | # ifndef OPENSSL_NO_ENGINE | |
9a7846df | 576 | const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL; |
e683582b | 577 | # endif |
e74bd290 RL |
578 | const char *cipher_name = EVP_CIPHER_name(cipher); |
579 | const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher); | |
580 | OPENSSL_CTX *libctx = | |
581 | prov == NULL ? NULL : ossl_provider_library_context(prov); | |
b3831fbb | 582 | EVP_PKEY *ret = EVP_PKEY_new(); |
81ff9eeb | 583 | EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL); |
e74bd290 RL |
584 | EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL; |
585 | OSSL_PARAM params[4]; | |
586 | size_t paramsn = 0; | |
b3831fbb MC |
587 | |
588 | if (ret == NULL | |
8243d8d1 RL |
589 | || cmctx == NULL |
590 | || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1, NULL)) { | |
b3831fbb MC |
591 | /* EVPerr already called */ |
592 | goto err; | |
593 | } | |
594 | ||
e683582b | 595 | # ifndef OPENSSL_NO_ENGINE |
9a7846df | 596 | if (engine_id != NULL) |
e74bd290 | 597 | params[paramsn++] = |
69db3044 | 598 | OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id, 0); |
e683582b | 599 | # endif |
3be06e0d | 600 | |
e74bd290 | 601 | params[paramsn++] = |
703170d4 | 602 | OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER, |
7f588d20 | 603 | (char *)cipher_name, 0); |
e74bd290 RL |
604 | params[paramsn++] = |
605 | OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, | |
606 | (char *)priv, len); | |
607 | params[paramsn] = OSSL_PARAM_construct_end(); | |
608 | ||
609 | if (!EVP_MAC_CTX_set_params(cmctx, params)) { | |
b3831fbb MC |
610 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED); |
611 | goto err; | |
612 | } | |
613 | ||
614 | ret->pkey.ptr = cmctx; | |
615 | return ret; | |
616 | ||
617 | err: | |
618 | EVP_PKEY_free(ret); | |
b8d77c9b | 619 | EVP_MAC_CTX_free(cmctx); |
e74bd290 | 620 | EVP_MAC_free(cmac); |
b3831fbb | 621 | return NULL; |
e683582b | 622 | # else |
df6d51e2 MC |
623 | EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, |
624 | EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); | |
625 | return NULL; | |
e683582b | 626 | # endif |
b3831fbb | 627 | } |
a08802ce | 628 | |
01b8b3c7 | 629 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) |
0f113f3e | 630 | { |
8243d8d1 | 631 | return pkey_set_type(pkey, NULL, type, NULL, -1, NULL); |
0f113f3e | 632 | } |
01b8b3c7 DSH |
633 | |
634 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e | 635 | { |
8243d8d1 | 636 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len, NULL); |
0f113f3e | 637 | } |
2f2e6b62 JL |
638 | |
639 | int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type) | |
640 | { | |
641 | if (pkey->type == type) { | |
642 | return 1; /* it already is that type */ | |
643 | } | |
644 | ||
645 | /* | |
646 | * The application is requesting to alias this to a different pkey type, | |
647 | * but not one that resolves to the base type. | |
648 | */ | |
649 | if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) { | |
650 | EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); | |
651 | return 0; | |
652 | } | |
653 | ||
654 | pkey->type = type; | |
655 | return 1; | |
656 | } | |
657 | ||
e683582b | 658 | # ifndef OPENSSL_NO_ENGINE |
d19b01ad DSH |
659 | int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) |
660 | { | |
661 | if (e != NULL) { | |
662 | if (!ENGINE_init(e)) { | |
663 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); | |
664 | return 0; | |
665 | } | |
666 | if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { | |
667 | ENGINE_finish(e); | |
668 | EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); | |
669 | return 0; | |
670 | } | |
671 | } | |
672 | ENGINE_finish(pkey->pmeth_engine); | |
673 | pkey->pmeth_engine = e; | |
674 | return 1; | |
675 | } | |
229f7b38 DB |
676 | |
677 | ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey) | |
678 | { | |
679 | return pkey->engine; | |
680 | } | |
e683582b | 681 | # endif |
01b8b3c7 | 682 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) |
0f113f3e | 683 | { |
f4e4382c RL |
684 | int alias = type; |
685 | ||
ad5b71be | 686 | #ifndef OPENSSL_NO_EC |
f4e4382c RL |
687 | if (EVP_PKEY_type(type) == EVP_PKEY_EC) { |
688 | const EC_GROUP *group = EC_KEY_get0_group(key); | |
689 | ||
690 | if (group != NULL && EC_GROUP_get_curve_name(group) == NID_sm2) | |
691 | alias = EVP_PKEY_SM2; | |
692 | } | |
ad5b71be | 693 | #endif |
f4e4382c | 694 | |
e34c66c6 | 695 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e | 696 | return 0; |
f4e4382c RL |
697 | if (!EVP_PKEY_set_alias_type(pkey, alias)) |
698 | return 0; | |
0f113f3e MC |
699 | pkey->pkey.ptr = key; |
700 | return (key != NULL); | |
701 | } | |
d02b48c6 | 702 | |
3aeb9348 | 703 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e | 704 | { |
acb90ba8 RL |
705 | if (!evp_pkey_downgrade((EVP_PKEY *)pkey)) { |
706 | ERR_raise(ERR_LIB_EVP, EVP_R_INACCESSIBLE_KEY); | |
707 | return NULL; | |
708 | } | |
0f113f3e MC |
709 | return pkey->pkey.ptr; |
710 | } | |
db98bbc1 | 711 | |
ebad0b0b NM |
712 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
713 | { | |
714 | ASN1_OCTET_STRING *os = NULL; | |
715 | if (pkey->type != EVP_PKEY_HMAC) { | |
716 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
717 | return NULL; | |
718 | } | |
719 | os = EVP_PKEY_get0(pkey); | |
720 | *len = os->length; | |
721 | return os->data; | |
722 | } | |
723 | ||
e683582b | 724 | # ifndef OPENSSL_NO_POLY1305 |
52ad5b60 TS |
725 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) |
726 | { | |
727 | ASN1_OCTET_STRING *os = NULL; | |
728 | if (pkey->type != EVP_PKEY_POLY1305) { | |
729 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
730 | return NULL; | |
731 | } | |
732 | os = EVP_PKEY_get0(pkey); | |
733 | *len = os->length; | |
734 | return os->data; | |
735 | } | |
e683582b | 736 | # endif |
52ad5b60 | 737 | |
e683582b | 738 | # ifndef OPENSSL_NO_SIPHASH |
3f5616d7 TS |
739 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) |
740 | { | |
741 | ASN1_OCTET_STRING *os = NULL; | |
742 | ||
743 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
744 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
745 | return NULL; | |
746 | } | |
747 | os = EVP_PKEY_get0(pkey); | |
748 | *len = os->length; | |
749 | return os->data; | |
750 | } | |
e683582b | 751 | # endif |
3f5616d7 | 752 | |
e683582b | 753 | # ifndef OPENSSL_NO_RSA |
c7cb16a8 | 754 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 755 | { |
0f113f3e MC |
756 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
757 | if (ret) | |
758 | RSA_up_ref(key); | |
759 | return ret; | |
52664f50 DSH |
760 | } |
761 | ||
9fdcc21f | 762 | RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey) |
0f113f3e | 763 | { |
acb90ba8 RL |
764 | if (!evp_pkey_downgrade((EVP_PKEY *)pkey)) { |
765 | ERR_raise(ERR_LIB_EVP, EVP_R_INACCESSIBLE_KEY); | |
766 | return NULL; | |
767 | } | |
465a58b1 | 768 | if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) { |
2872dbe1 | 769 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
770 | return NULL; |
771 | } | |
0f113f3e | 772 | return pkey->pkey.rsa; |
f769ce3e | 773 | } |
2872dbe1 DSH |
774 | |
775 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
776 | { | |
777 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
778 | if (ret != NULL) | |
779 | RSA_up_ref(ret); | |
780 | return ret; | |
781 | } | |
e683582b | 782 | # endif |
f769ce3e | 783 | |
e683582b | 784 | # ifndef OPENSSL_NO_DSA |
9fdcc21f | 785 | DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey) |
0f113f3e | 786 | { |
acb90ba8 RL |
787 | if (!evp_pkey_downgrade((EVP_PKEY *)pkey)) { |
788 | ERR_raise(ERR_LIB_EVP, EVP_R_INACCESSIBLE_KEY); | |
789 | return NULL; | |
790 | } | |
0f113f3e | 791 | if (pkey->type != EVP_PKEY_DSA) { |
2872dbe1 | 792 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
793 | return NULL; |
794 | } | |
0f113f3e | 795 | return pkey->pkey.dsa; |
f769ce3e | 796 | } |
2872dbe1 | 797 | |
b03ec3b5 SL |
798 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
799 | { | |
800 | int ret = EVP_PKEY_assign_DSA(pkey, key); | |
801 | if (ret) | |
802 | DSA_up_ref(key); | |
803 | return ret; | |
804 | } | |
2872dbe1 DSH |
805 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) |
806 | { | |
807 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
808 | if (ret != NULL) | |
809 | DSA_up_ref(ret); | |
810 | return ret; | |
811 | } | |
b03ec3b5 | 812 | # endif /* OPENSSL_NO_DSA */ |
f844f9eb | 813 | #endif /* FIPS_MODULE */ |
f769ce3e | 814 | |
f844f9eb | 815 | #ifndef FIPS_MODULE |
e683582b | 816 | # ifndef OPENSSL_NO_EC |
14a7cfb3 | 817 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 818 | { |
0f113f3e MC |
819 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
820 | if (ret) | |
821 | EC_KEY_up_ref(key); | |
822 | return ret; | |
4d94ae00 BM |
823 | } |
824 | ||
9fdcc21f | 825 | EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey) |
4d94ae00 | 826 | { |
acb90ba8 RL |
827 | if (!evp_pkey_downgrade((EVP_PKEY *)pkey)) { |
828 | ERR_raise(ERR_LIB_EVP, EVP_R_INACCESSIBLE_KEY); | |
829 | return NULL; | |
830 | } | |
f4e4382c | 831 | if (EVP_PKEY_base_id(pkey) != EVP_PKEY_EC) { |
2872dbe1 | 832 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
833 | return NULL; |
834 | } | |
0f113f3e | 835 | return pkey->pkey.ec; |
4d94ae00 | 836 | } |
2872dbe1 DSH |
837 | |
838 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
839 | { | |
840 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
841 | if (ret != NULL) | |
842 | EC_KEY_up_ref(ret); | |
843 | return ret; | |
844 | } | |
e683582b | 845 | # endif |
4d94ae00 | 846 | |
e683582b | 847 | # ifndef OPENSSL_NO_DH |
52664f50 | 848 | |
c7cb16a8 | 849 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 850 | { |
32c869ff MC |
851 | int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX; |
852 | int ret = EVP_PKEY_assign(pkey, type, key); | |
853 | ||
0f113f3e MC |
854 | if (ret) |
855 | DH_up_ref(key); | |
856 | return ret; | |
52664f50 DSH |
857 | } |
858 | ||
9fdcc21f | 859 | DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey) |
0f113f3e | 860 | { |
acb90ba8 RL |
861 | if (!evp_pkey_downgrade((EVP_PKEY *)pkey)) { |
862 | ERR_raise(ERR_LIB_EVP, EVP_R_INACCESSIBLE_KEY); | |
863 | return NULL; | |
864 | } | |
0f113f3e | 865 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { |
2872dbe1 | 866 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
867 | return NULL; |
868 | } | |
0f113f3e | 869 | return pkey->pkey.dh; |
f769ce3e | 870 | } |
2872dbe1 DSH |
871 | |
872 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
873 | { | |
874 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
875 | if (ret != NULL) | |
876 | DH_up_ref(ret); | |
877 | return ret; | |
878 | } | |
e683582b | 879 | # endif |
f769ce3e | 880 | |
6b691a5c | 881 | int EVP_PKEY_type(int type) |
0f113f3e MC |
882 | { |
883 | int ret; | |
884 | const EVP_PKEY_ASN1_METHOD *ameth; | |
885 | ENGINE *e; | |
886 | ameth = EVP_PKEY_asn1_find(&e, type); | |
887 | if (ameth) | |
888 | ret = ameth->pkey_id; | |
889 | else | |
890 | ret = NID_undef; | |
e683582b | 891 | # ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 892 | ENGINE_finish(e); |
e683582b | 893 | # endif |
0f113f3e MC |
894 | return ret; |
895 | } | |
d02b48c6 | 896 | |
7f57b076 | 897 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
898 | { |
899 | return pkey->type; | |
900 | } | |
7f57b076 DSH |
901 | |
902 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
903 | { |
904 | return EVP_PKEY_type(pkey->type); | |
905 | } | |
7f57b076 | 906 | |
4f76d62f RL |
907 | int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name) |
908 | { | |
f844f9eb | 909 | #ifndef FIPS_MODULE |
4f76d62f RL |
910 | if (pkey->keymgmt == NULL) { |
911 | /* | |
912 | * These hard coded cases are pure hackery to get around the fact | |
913 | * that names in crypto/objects/objects.txt are a mess. There is | |
914 | * no "EC", and "RSA" leads to the NID for 2.5.8.1.1, an OID that's | |
915 | * fallen out in favor of { pkcs-1 1 }, i.e. 1.2.840.113549.1.1.1, | |
916 | * the NID of which is used for EVP_PKEY_RSA. Strangely enough, | |
917 | * "DSA" is accurate... but still, better be safe and hard-code | |
918 | * names that we know. | |
919 | * TODO Clean this away along with all other #legacy support. | |
920 | */ | |
921 | int type; | |
922 | ||
923 | if (strcasecmp(name, "RSA") == 0) | |
924 | type = EVP_PKEY_RSA; | |
925 | #ifndef OPENSSL_NO_EC | |
926 | else if (strcasecmp(name, "EC") == 0) | |
927 | type = EVP_PKEY_EC; | |
928 | #endif | |
929 | #ifndef OPENSSL_NO_DSA | |
930 | else if (strcasecmp(name, "DSA") == 0) | |
931 | type = EVP_PKEY_DSA; | |
932 | #endif | |
933 | else | |
934 | type = EVP_PKEY_type(OBJ_sn2nid(name)); | |
935 | return EVP_PKEY_type(pkey->type) == type; | |
936 | } | |
937 | #endif | |
938 | return EVP_KEYMGMT_is_a(pkey->keymgmt, name); | |
939 | } | |
940 | ||
941 | int EVP_PKEY_can_sign(const EVP_PKEY *pkey) | |
942 | { | |
943 | if (pkey->keymgmt == NULL) { | |
944 | switch (EVP_PKEY_base_id(pkey)) { | |
945 | case EVP_PKEY_RSA: | |
946 | return 1; | |
947 | #ifndef OPENSSL_NO_DSA | |
948 | case EVP_PKEY_DSA: | |
949 | return 1; | |
950 | #endif | |
951 | #ifndef OPENSSL_NO_EC | |
952 | case EVP_PKEY_ED25519: | |
953 | case EVP_PKEY_ED448: | |
954 | return 1; | |
955 | case EVP_PKEY_EC: /* Including SM2 */ | |
956 | return EC_KEY_can_sign(pkey->pkey.ec); | |
957 | #endif | |
958 | default: | |
959 | break; | |
960 | } | |
961 | } else { | |
962 | const OSSL_PROVIDER *prov = EVP_KEYMGMT_provider(pkey->keymgmt); | |
963 | OPENSSL_CTX *libctx = ossl_provider_library_context(prov); | |
964 | const char *supported_sig = | |
965 | pkey->keymgmt->query_operation_name != NULL | |
966 | ? pkey->keymgmt->query_operation_name(OSSL_OP_SIGNATURE) | |
967 | : evp_first_name(prov, pkey->keymgmt->name_id); | |
968 | EVP_SIGNATURE *signature = NULL; | |
969 | ||
970 | signature = EVP_SIGNATURE_fetch(libctx, supported_sig, NULL); | |
971 | if (signature != NULL) { | |
972 | EVP_SIGNATURE_free(signature); | |
973 | return 1; | |
974 | } | |
975 | } | |
976 | return 0; | |
977 | } | |
d02b48c6 | 978 | |
c2041da8 RL |
979 | #ifndef OPENSSL_NO_EC |
980 | /* | |
981 | * TODO rewrite when we have proper data extraction functions | |
982 | * Note: an octet pointer would be desirable! | |
983 | */ | |
984 | static OSSL_CALLBACK get_ec_curve_name_cb; | |
985 | static int get_ec_curve_name_cb(const OSSL_PARAM params[], void *arg) | |
986 | { | |
987 | const OSSL_PARAM *p = NULL; | |
988 | ||
989 | if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_EC_NAME)) != NULL) | |
990 | return OSSL_PARAM_get_utf8_string(p, arg, 0); | |
991 | ||
992 | /* If there is no curve name, this is not an EC key */ | |
993 | return 0; | |
994 | } | |
995 | ||
996 | int evp_pkey_get_EC_KEY_curve_nid(const EVP_PKEY *pkey) | |
997 | { | |
998 | int ret = NID_undef; | |
999 | ||
1000 | if (pkey->keymgmt == NULL) { | |
1001 | if (EVP_PKEY_base_id(pkey) == EVP_PKEY_EC) { | |
1002 | EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1003 | ||
1004 | ret = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1005 | } | |
1006 | } else if (EVP_PKEY_is_a(pkey, "EC") || EVP_PKEY_is_a(pkey, "SM2")) { | |
1007 | char *curve_name = NULL; | |
1008 | ||
1009 | ret = evp_keymgmt_export(pkey->keymgmt, pkey->keydata, | |
1010 | OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS, | |
1011 | get_ec_curve_name_cb, &curve_name); | |
1012 | if (ret) | |
1013 | ret = ec_curve_name2nid(curve_name); | |
1014 | OPENSSL_free(curve_name); | |
1015 | } | |
1016 | ||
1017 | return ret; | |
1018 | } | |
1019 | #endif | |
1020 | ||
f1299839 RL |
1021 | static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent) |
1022 | { | |
1023 | BIO_set_indent(*out, saved_indent); | |
1024 | if (pop_f_prefix) { | |
1025 | BIO *next = BIO_pop(*out); | |
1026 | ||
1027 | BIO_free(*out); | |
1028 | *out = next; | |
1029 | } | |
1030 | return 1; | |
1031 | } | |
1032 | ||
1033 | static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent, | |
1034 | long indent) | |
1035 | { | |
1036 | *pop_f_prefix = 0; | |
1037 | *saved_indent = 0; | |
1038 | if (indent > 0) { | |
1039 | long i = BIO_get_indent(*out); | |
1040 | ||
1041 | *saved_indent = (i < 0 ? 0 : i); | |
1042 | if (BIO_set_indent(*out, indent) <= 0) { | |
1043 | if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL) | |
1044 | return 0; | |
1045 | *pop_f_prefix = 1; | |
1046 | } | |
1047 | if (BIO_set_indent(*out, indent) <= 0) { | |
1048 | print_reset_indent(out, *pop_f_prefix, *saved_indent); | |
1049 | return 0; | |
1050 | } | |
1051 | } | |
1052 | return 1; | |
1053 | } | |
1054 | ||
35208f36 | 1055 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
1056 | const char *kstr) |
1057 | { | |
5310a4e6 P |
1058 | return BIO_indent(out, indent, 128) |
1059 | && BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
1060 | kstr, OBJ_nid2ln(pkey->type)) > 0; | |
0f113f3e | 1061 | } |
35208f36 | 1062 | |
f1299839 RL |
1063 | static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent, |
1064 | const char *propquery /* For provided serialization */, | |
1065 | int (*legacy_print)(BIO *out, const EVP_PKEY *pkey, | |
1066 | int indent, ASN1_PCTX *pctx), | |
1067 | ASN1_PCTX *legacy_pctx /* For legacy print */) | |
0f113f3e | 1068 | { |
f1299839 RL |
1069 | int pop_f_prefix; |
1070 | long saved_indent; | |
1071 | OSSL_SERIALIZER_CTX *ctx = NULL; | |
1072 | int ret = -2; /* default to unsupported */ | |
1073 | ||
1074 | if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent)) | |
1075 | return 0; | |
54c1711f | 1076 | |
f1299839 | 1077 | ctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, propquery); |
54c1711f RL |
1078 | if (OSSL_SERIALIZER_CTX_get_serializer(ctx) != NULL) |
1079 | ret = OSSL_SERIALIZER_to_bio(ctx, out); | |
1080 | OSSL_SERIALIZER_CTX_free(ctx); | |
1081 | ||
1082 | if (ret != -2) | |
f1299839 | 1083 | goto end; |
54c1711f RL |
1084 | |
1085 | /* legacy fallback */ | |
f1299839 RL |
1086 | if (legacy_print != NULL) |
1087 | ret = legacy_print(out, pkey, 0, legacy_pctx); | |
1088 | else | |
1089 | ret = unsup_alg(out, pkey, 0, "Public Key"); | |
0f113f3e | 1090 | |
f1299839 RL |
1091 | end: |
1092 | print_reset_indent(&out, pop_f_prefix, saved_indent); | |
1093 | return ret; | |
1094 | } | |
1095 | ||
1096 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
1097 | int indent, ASN1_PCTX *pctx) | |
1098 | { | |
1099 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ, | |
1100 | (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL), | |
1101 | pctx); | |
0f113f3e | 1102 | } |
35208f36 DSH |
1103 | |
1104 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1105 | int indent, ASN1_PCTX *pctx) |
1106 | { | |
f1299839 RL |
1107 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ, |
1108 | (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL), | |
1109 | pctx); | |
0f113f3e | 1110 | } |
35208f36 DSH |
1111 | |
1112 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
1113 | int indent, ASN1_PCTX *pctx) |
1114 | { | |
f1299839 RL |
1115 | return print_pkey(pkey, out, indent, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ, |
1116 | (pkey->ameth != NULL ? pkey->ameth->param_print : NULL), | |
1117 | pctx); | |
0f113f3e | 1118 | } |
03919683 | 1119 | |
ead0d234 RL |
1120 | static int legacy_asn1_ctrl_to_param(EVP_PKEY *pkey, int op, |
1121 | int arg1, void *arg2) | |
1122 | { | |
3c6ed955 | 1123 | if (pkey->keymgmt == NULL) |
ead0d234 RL |
1124 | return 0; |
1125 | switch (op) { | |
1126 | case ASN1_PKEY_CTRL_DEFAULT_MD_NID: | |
1127 | { | |
1128 | char mdname[80] = ""; | |
1129 | int nid; | |
1130 | int rv = EVP_PKEY_get_default_digest_name(pkey, mdname, | |
1131 | sizeof(mdname)); | |
1132 | ||
1133 | if (rv <= 0) | |
1134 | return rv; | |
1135 | nid = OBJ_sn2nid(mdname); | |
1136 | if (nid == NID_undef) | |
1137 | nid = OBJ_ln2nid(mdname); | |
1138 | if (nid == NID_undef) | |
1139 | return 0; | |
1140 | *(int *)arg2 = nid; | |
1141 | return 1; | |
1142 | } | |
1143 | default: | |
1144 | return -2; | |
1145 | } | |
1146 | } | |
1147 | ||
5d6aaf8a | 1148 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 1149 | { |
ead0d234 RL |
1150 | if (pkey->ameth == NULL) |
1151 | return legacy_asn1_ctrl_to_param(pkey, op, arg1, arg2); | |
1152 | if (pkey->ameth->pkey_ctrl == NULL) | |
0f113f3e | 1153 | return -2; |
5d6aaf8a DSH |
1154 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
1155 | } | |
1156 | ||
1157 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
1158 | { | |
1159 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
1160 | } | |
1161 | ||
ead0d234 RL |
1162 | int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey, |
1163 | char *mdname, size_t mdname_sz) | |
1164 | { | |
3b924da0 RL |
1165 | if (pkey->ameth == NULL) |
1166 | return evp_keymgmt_util_get_deflt_digest_name(pkey->keymgmt, | |
1167 | pkey->keydata, | |
1168 | mdname, mdname_sz); | |
ead0d234 RL |
1169 | |
1170 | { | |
1171 | int nid = NID_undef; | |
1172 | int rv = EVP_PKEY_get_default_digest_nid(pkey, &nid); | |
1173 | const char *name = rv > 0 ? OBJ_nid2sn(nid) : NULL; | |
1174 | ||
1175 | if (rv > 0) | |
1176 | OPENSSL_strlcpy(mdname, name, mdname_sz); | |
1177 | return rv; | |
1178 | } | |
1179 | } | |
1180 | ||
ecbb2fca DW |
1181 | int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid) |
1182 | { | |
1183 | int rv, default_nid; | |
1184 | ||
1185 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL); | |
1186 | if (rv == -2) { | |
1187 | /* | |
1188 | * If there is a mandatory default digest and this isn't it, then | |
1189 | * the answer is 'no'. | |
1190 | */ | |
1191 | rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid); | |
1192 | if (rv == 2) | |
1193 | return (nid == default_nid); | |
1194 | /* zero is an error from EVP_PKEY_get_default_digest_nid() */ | |
1195 | if (rv == 0) | |
1196 | return -1; | |
1197 | } | |
1198 | return rv; | |
1199 | } | |
1200 | ||
5d6aaf8a DSH |
1201 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, |
1202 | const unsigned char *pt, size_t ptlen) | |
1203 | { | |
1204 | if (ptlen > INT_MAX) | |
1205 | return 0; | |
1206 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
1207 | (void *)pt) <= 0) | |
1208 | return 0; | |
1209 | return 1; | |
1210 | } | |
1211 | ||
1212 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
1213 | { | |
1214 | int rv; | |
1215 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
1216 | if (rv <= 0) | |
1217 | return 0; | |
1218 | return rv; | |
0f113f3e | 1219 | } |
e683582b | 1220 | |
f844f9eb | 1221 | #endif /* FIPS_MODULE */ |
e683582b | 1222 | |
f844f9eb | 1223 | /*- All methods below can also be used in FIPS_MODULE */ |
e683582b SL |
1224 | |
1225 | EVP_PKEY *EVP_PKEY_new(void) | |
1226 | { | |
1227 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); | |
1228 | ||
1229 | if (ret == NULL) { | |
1230 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
1231 | return NULL; | |
1232 | } | |
1233 | ret->type = EVP_PKEY_NONE; | |
1234 | ret->save_type = EVP_PKEY_NONE; | |
1235 | ret->references = 1; | |
1236 | ret->save_parameters = 1; | |
1237 | ret->lock = CRYPTO_THREAD_lock_new(); | |
1238 | if (ret->lock == NULL) { | |
1239 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
ff1f7cde AT |
1240 | goto err; |
1241 | } | |
f844f9eb | 1242 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1243 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, ret, &ret->ex_data)) { |
1244 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
1245 | goto err; | |
e683582b | 1246 | } |
ff1f7cde | 1247 | #endif |
e683582b | 1248 | return ret; |
ff1f7cde AT |
1249 | |
1250 | err: | |
1251 | CRYPTO_THREAD_lock_free(ret->lock); | |
1252 | OPENSSL_free(ret); | |
1253 | return NULL; | |
e683582b SL |
1254 | } |
1255 | ||
8243d8d1 RL |
1256 | /* |
1257 | * Setup a public key management method. | |
1258 | * | |
1259 | * For legacy keys, either |type| or |str| is expected to have the type | |
1260 | * information. In this case, the setup consists of finding an ASN1 method | |
1261 | * and potentially an ENGINE, and setting those fields in |pkey|. | |
1262 | * | |
1263 | * For provider side keys, |keymgmt| is expected to be non-NULL. In this | |
1264 | * case, the setup consists of setting the |keymgmt| field in |pkey|. | |
1265 | * | |
1266 | * If pkey is NULL just return 1 or 0 if the key management method exists. | |
1267 | */ | |
1268 | ||
1269 | static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str, | |
1270 | int len, EVP_KEYMGMT *keymgmt) | |
1271 | { | |
f844f9eb | 1272 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1273 | const EVP_PKEY_ASN1_METHOD *ameth = NULL; |
1274 | ENGINE **eptr = (e == NULL) ? &e : NULL; | |
1275 | #endif | |
1276 | ||
1277 | /* | |
1278 | * The setups can't set both legacy and provider side methods. | |
1279 | * It is forbidden | |
1280 | */ | |
1281 | if (!ossl_assert(type == EVP_PKEY_NONE || keymgmt == NULL) | |
1282 | || !ossl_assert(e == NULL || keymgmt == NULL)) { | |
1283 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | if (pkey != NULL) { | |
1288 | int free_it = 0; | |
1289 | ||
f844f9eb | 1290 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1291 | free_it = free_it || pkey->pkey.ptr != NULL; |
1292 | #endif | |
1293 | free_it = free_it || pkey->keydata != NULL; | |
1294 | if (free_it) | |
1295 | evp_pkey_free_it(pkey); | |
f844f9eb | 1296 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1297 | /* |
1298 | * If key type matches and a method exists then this lookup has | |
1299 | * succeeded once so just indicate success. | |
1300 | */ | |
1301 | if (pkey->type != EVP_PKEY_NONE | |
1302 | && type == pkey->save_type | |
1303 | && pkey->ameth != NULL) | |
1304 | return 1; | |
1305 | # ifndef OPENSSL_NO_ENGINE | |
1306 | /* If we have ENGINEs release them */ | |
1307 | ENGINE_finish(pkey->engine); | |
1308 | pkey->engine = NULL; | |
1309 | ENGINE_finish(pkey->pmeth_engine); | |
1310 | pkey->pmeth_engine = NULL; | |
1311 | # endif | |
1312 | #endif | |
1313 | } | |
f844f9eb | 1314 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1315 | if (str != NULL) |
1316 | ameth = EVP_PKEY_asn1_find_str(eptr, str, len); | |
1317 | else if (type != EVP_PKEY_NONE) | |
1318 | ameth = EVP_PKEY_asn1_find(eptr, type); | |
1319 | # ifndef OPENSSL_NO_ENGINE | |
1320 | if (pkey == NULL && eptr != NULL) | |
1321 | ENGINE_finish(e); | |
1322 | # endif | |
1323 | #endif | |
1324 | ||
1325 | ||
1326 | { | |
1327 | int check = 1; | |
1328 | ||
f844f9eb | 1329 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1330 | check = check && ameth == NULL; |
1331 | #endif | |
1332 | check = check && keymgmt == NULL; | |
1333 | if (check) { | |
1334 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); | |
1335 | return 0; | |
1336 | } | |
1337 | } | |
1338 | if (pkey != NULL) { | |
1339 | if (keymgmt != NULL && !EVP_KEYMGMT_up_ref(keymgmt)) { | |
1340 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | pkey->keymgmt = keymgmt; | |
1345 | ||
1346 | pkey->save_type = type; | |
1347 | pkey->type = type; | |
1348 | ||
f844f9eb | 1349 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1350 | /* |
1351 | * If the internal "origin" key is provider side, don't save |ameth|. | |
1352 | * The main reason is that |ameth| is one factor to detect that the | |
1353 | * internal "origin" key is a legacy one. | |
1354 | */ | |
1355 | if (keymgmt == NULL) | |
1356 | pkey->ameth = ameth; | |
1357 | pkey->engine = e; | |
1358 | ||
1359 | /* | |
1360 | * The EVP_PKEY_ASN1_METHOD |pkey_id| serves different purposes, | |
1361 | * depending on if we're setting this key to contain a legacy or | |
1362 | * a provider side "origin" key. For a legacy key, we assign it | |
1363 | * to the |type| field, but for a provider side key, we assign it | |
1364 | * to the |save_type| field, because |type| is supposed to be set | |
1365 | * to EVP_PKEY_NONE in that case. | |
1366 | */ | |
9dbfb11d P |
1367 | if (ameth != NULL) { |
1368 | if (keymgmt != NULL) | |
1369 | pkey->save_type = ameth->pkey_id; | |
1370 | else if (pkey->ameth != NULL) | |
1371 | pkey->type = ameth->pkey_id; | |
1372 | } | |
8243d8d1 RL |
1373 | #endif |
1374 | } | |
1375 | return 1; | |
1376 | } | |
1377 | ||
f844f9eb | 1378 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1379 | static void find_ameth(const char *name, void *data) |
1380 | { | |
1381 | const char **str = data; | |
1382 | ||
1383 | /* | |
1384 | * The error messages from pkey_set_type() are uninteresting here, | |
1385 | * and misleading. | |
1386 | */ | |
1387 | ERR_set_mark(); | |
1388 | ||
1389 | if (pkey_set_type(NULL, NULL, EVP_PKEY_NONE, name, strlen(name), | |
1390 | NULL)) { | |
1391 | if (str[0] == NULL) | |
1392 | str[0] = name; | |
1393 | else if (str[1] == NULL) | |
1394 | str[1] = name; | |
1395 | } | |
1396 | ||
1397 | ERR_pop_to_mark(); | |
1398 | } | |
1399 | #endif | |
1400 | ||
1401 | int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt) | |
1402 | { | |
f844f9eb | 1403 | #ifndef FIPS_MODULE |
8243d8d1 RL |
1404 | # define EVP_PKEY_TYPE_STR str[0] |
1405 | # define EVP_PKEY_TYPE_STRLEN (str[0] == NULL ? -1 : (int)strlen(str[0])) | |
1406 | /* | |
1407 | * Find at most two strings that have an associated EVP_PKEY_ASN1_METHOD | |
1408 | * Ideally, only one should be found. If two (or more) are found, the | |
1409 | * match is ambiguous. This should never happen, but... | |
1410 | */ | |
1411 | const char *str[2] = { NULL, NULL }; | |
1412 | ||
1413 | EVP_KEYMGMT_names_do_all(keymgmt, find_ameth, &str); | |
1414 | if (str[1] != NULL) { | |
1415 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1416 | return 0; | |
1417 | } | |
1418 | #else | |
1419 | # define EVP_PKEY_TYPE_STR NULL | |
1420 | # define EVP_PKEY_TYPE_STRLEN -1 | |
1421 | #endif | |
1422 | return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, | |
1423 | EVP_PKEY_TYPE_STR, EVP_PKEY_TYPE_STRLEN, | |
1424 | keymgmt); | |
1425 | ||
1426 | #undef EVP_PKEY_TYPE_STR | |
1427 | #undef EVP_PKEY_TYPE_STRLEN | |
1428 | } | |
1429 | ||
e683582b SL |
1430 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
1431 | { | |
1432 | int i; | |
1433 | ||
1434 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) | |
1435 | return 0; | |
1436 | ||
1437 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
1438 | REF_ASSERT_ISNT(i < 2); | |
1439 | return ((i > 1) ? 1 : 0); | |
1440 | } | |
1441 | ||
f844f9eb | 1442 | #ifndef FIPS_MODULE |
62924755 | 1443 | void evp_pkey_free_legacy(EVP_PKEY *x) |
badf51c8 RL |
1444 | { |
1445 | if (x->ameth != NULL) { | |
ff3b59e1 | 1446 | if (x->ameth->pkey_free != NULL) |
badf51c8 RL |
1447 | x->ameth->pkey_free(x); |
1448 | x->pkey.ptr = NULL; | |
badf51c8 RL |
1449 | } |
1450 | # ifndef OPENSSL_NO_ENGINE | |
1451 | ENGINE_finish(x->engine); | |
1452 | x->engine = NULL; | |
1453 | ENGINE_finish(x->pmeth_engine); | |
1454 | x->pmeth_engine = NULL; | |
1455 | # endif | |
8243d8d1 | 1456 | x->type = EVP_PKEY_NONE; |
badf51c8 | 1457 | } |
f844f9eb | 1458 | #endif /* FIPS_MODULE */ |
badf51c8 | 1459 | |
e683582b SL |
1460 | static void evp_pkey_free_it(EVP_PKEY *x) |
1461 | { | |
1462 | /* internal function; x is never NULL */ | |
1463 | ||
3c6ed955 | 1464 | evp_keymgmt_util_clear_operation_cache(x); |
f844f9eb | 1465 | #ifndef FIPS_MODULE |
badf51c8 RL |
1466 | evp_pkey_free_legacy(x); |
1467 | #endif | |
e683582b | 1468 | |
3c6ed955 RL |
1469 | if (x->keymgmt != NULL) { |
1470 | evp_keymgmt_freedata(x->keymgmt, x->keydata); | |
1471 | EVP_KEYMGMT_free(x->keymgmt); | |
1472 | x->keymgmt = NULL; | |
1473 | x->keydata = NULL; | |
1474 | } | |
e683582b SL |
1475 | } |
1476 | ||
1477 | void EVP_PKEY_free(EVP_PKEY *x) | |
1478 | { | |
1479 | int i; | |
1480 | ||
1481 | if (x == NULL) | |
1482 | return; | |
1483 | ||
1484 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); | |
1485 | REF_PRINT_COUNT("EVP_PKEY", x); | |
1486 | if (i > 0) | |
1487 | return; | |
1488 | REF_ASSERT_ISNT(i < 0); | |
1489 | evp_pkey_free_it(x); | |
f844f9eb | 1490 | #ifndef FIPS_MODULE |
ff1f7cde AT |
1491 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_EVP_PKEY, x, &x->ex_data); |
1492 | #endif | |
e683582b | 1493 | CRYPTO_THREAD_lock_free(x->lock); |
f844f9eb | 1494 | #ifndef FIPS_MODULE |
e683582b SL |
1495 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
1496 | #endif | |
1497 | OPENSSL_free(x); | |
1498 | } | |
1499 | ||
e683582b SL |
1500 | int EVP_PKEY_size(const EVP_PKEY *pkey) |
1501 | { | |
adc9f731 RL |
1502 | int size = 0; |
1503 | ||
6508e858 | 1504 | if (pkey != NULL) { |
adc9f731 | 1505 | size = pkey->cache.size; |
f844f9eb | 1506 | #ifndef FIPS_MODULE |
adc9f731 RL |
1507 | if (pkey->ameth != NULL && pkey->ameth->pkey_size != NULL) |
1508 | size = pkey->ameth->pkey_size(pkey); | |
1509 | #endif | |
6508e858 | 1510 | } |
adc9f731 | 1511 | return size; |
e683582b | 1512 | } |
f6aa5774 | 1513 | |
3c6ed955 RL |
1514 | void *evp_pkey_export_to_provider(EVP_PKEY *pk, OPENSSL_CTX *libctx, |
1515 | EVP_KEYMGMT **keymgmt, | |
1516 | const char *propquery) | |
f6aa5774 RL |
1517 | { |
1518 | EVP_KEYMGMT *allocated_keymgmt = NULL; | |
1519 | EVP_KEYMGMT *tmp_keymgmt = NULL; | |
b305452f | 1520 | void *keydata = NULL; |
adc9f731 | 1521 | int check; |
f6aa5774 RL |
1522 | |
1523 | if (pk == NULL) | |
1524 | return NULL; | |
1525 | ||
adc9f731 RL |
1526 | /* No key data => nothing to export */ |
1527 | check = 1; | |
f844f9eb | 1528 | #ifndef FIPS_MODULE |
adc9f731 RL |
1529 | check = check && pk->pkey.ptr == NULL; |
1530 | #endif | |
1531 | check = check && pk->keydata == NULL; | |
1532 | if (check) | |
1533 | return NULL; | |
1534 | ||
f844f9eb | 1535 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1536 | if (pk->pkey.ptr != NULL) { |
3f7ce7f1 | 1537 | /* |
3c6ed955 RL |
1538 | * If the legacy key doesn't have an dirty counter or export function, |
1539 | * give up | |
3f7ce7f1 | 1540 | */ |
3c6ed955 RL |
1541 | if (pk->ameth->dirty_cnt == NULL || pk->ameth->export_to == NULL) |
1542 | return NULL; | |
3f7ce7f1 RL |
1543 | } |
1544 | #endif | |
1545 | ||
3c6ed955 RL |
1546 | if (keymgmt != NULL) { |
1547 | tmp_keymgmt = *keymgmt; | |
1548 | *keymgmt = NULL; | |
1549 | } | |
1550 | ||
4b9e90f4 RL |
1551 | /* |
1552 | * If no keymgmt was given or found, get a default keymgmt. We do so by | |
1553 | * letting EVP_PKEY_CTX_new_from_pkey() do it for us, then we steal it. | |
1554 | */ | |
f6aa5774 | 1555 | if (tmp_keymgmt == NULL) { |
2ee4a50a | 1556 | EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, propquery); |
f6aa5774 | 1557 | |
4b9e90f4 RL |
1558 | tmp_keymgmt = ctx->keymgmt; |
1559 | ctx->keymgmt = NULL; | |
f6aa5774 RL |
1560 | EVP_PKEY_CTX_free(ctx); |
1561 | } | |
1562 | ||
3c6ed955 | 1563 | /* If there's still no keymgmt to be had, give up */ |
3f7ce7f1 RL |
1564 | if (tmp_keymgmt == NULL) |
1565 | goto end; | |
f6aa5774 | 1566 | |
f844f9eb | 1567 | #ifndef FIPS_MODULE |
3f7ce7f1 | 1568 | if (pk->pkey.ptr != NULL) { |
3c6ed955 | 1569 | size_t i = 0; |
3f7ce7f1 RL |
1570 | |
1571 | /* | |
3c6ed955 RL |
1572 | * If the legacy "origin" hasn't changed since last time, we try |
1573 | * to find our keymgmt in the operation cache. If it has changed, | |
1574 | * |i| remains zero, and we will clear the cache further down. | |
3f7ce7f1 | 1575 | */ |
3c6ed955 RL |
1576 | if (pk->ameth->dirty_cnt(pk) == pk->dirty_cnt_copy) { |
1577 | i = evp_keymgmt_util_find_operation_cache_index(pk, tmp_keymgmt); | |
1578 | ||
1579 | /* | |
1580 | * If |tmp_keymgmt| is present in the operation cache, it means | |
1581 | * that export doesn't need to be redone. In that case, we take | |
1582 | * token copies of the cached pointers, to have token success | |
1583 | * values to return. | |
1584 | */ | |
1585 | if (i < OSSL_NELEM(pk->operation_cache) | |
1586 | && pk->operation_cache[i].keymgmt != NULL) { | |
1587 | keydata = pk->operation_cache[i].keydata; | |
1588 | goto end; | |
1589 | } | |
3f7ce7f1 RL |
1590 | } |
1591 | ||
1592 | /* | |
3c6ed955 RL |
1593 | * TODO(3.0) Right now, we assume we have ample space. We will have |
1594 | * to think about a cache aging scheme, though, if |i| indexes outside | |
1595 | * the array. | |
3f7ce7f1 | 1596 | */ |
3c6ed955 | 1597 | if (!ossl_assert(i < OSSL_NELEM(pk->operation_cache))) |
3f7ce7f1 RL |
1598 | goto end; |
1599 | ||
1600 | /* Make sure that the keymgmt key type matches the legacy NID */ | |
1601 | if (!ossl_assert(EVP_KEYMGMT_is_a(tmp_keymgmt, OBJ_nid2sn(pk->type)))) | |
1602 | goto end; | |
1603 | ||
1604 | if ((keydata = evp_keymgmt_newdata(tmp_keymgmt)) == NULL) | |
1605 | goto end; | |
1606 | ||
76e23fc5 | 1607 | if (!pk->ameth->export_to(pk, keydata, tmp_keymgmt, libctx, propquery)) { |
3f7ce7f1 RL |
1608 | evp_keymgmt_freedata(tmp_keymgmt, keydata); |
1609 | keydata = NULL; | |
1610 | goto end; | |
1611 | } | |
1612 | ||
3c6ed955 RL |
1613 | /* |
1614 | * If the dirty counter changed since last time, then clear the | |
1615 | * operation cache. In that case, we know that |i| is zero. Just | |
1616 | * in case this is a re-export, we increment then decrement the | |
1617 | * keymgmt reference counter. | |
1618 | */ | |
1619 | if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) { /* refcnt++ */ | |
1620 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1621 | keydata = NULL; | |
1622 | goto end; | |
1623 | } | |
1624 | if (pk->ameth->dirty_cnt(pk) != pk->dirty_cnt_copy) | |
1625 | evp_keymgmt_util_clear_operation_cache(pk); | |
1626 | EVP_KEYMGMT_free(tmp_keymgmt); /* refcnt-- */ | |
1627 | ||
1628 | /* Add the new export to the operation cache */ | |
1629 | if (!evp_keymgmt_util_cache_keydata(pk, i, tmp_keymgmt, keydata)) { | |
1630 | evp_keymgmt_freedata(tmp_keymgmt, keydata); | |
1631 | keydata = NULL; | |
1632 | goto end; | |
1633 | } | |
3f7ce7f1 RL |
1634 | |
1635 | /* Synchronize the dirty count */ | |
1636 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
1637 | goto end; | |
1638 | } | |
f844f9eb | 1639 | #endif /* FIPS_MODULE */ |
3f7ce7f1 RL |
1640 | |
1641 | keydata = evp_keymgmt_util_export_to_provider(pk, tmp_keymgmt); | |
1642 | ||
1643 | end: | |
f6aa5774 RL |
1644 | /* |
1645 | * If nothing was exported, |tmp_keymgmt| might point at a freed | |
1646 | * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for | |
1647 | * the caller either way in that case. | |
1648 | */ | |
b305452f | 1649 | if (keydata == NULL) |
f6aa5774 RL |
1650 | tmp_keymgmt = NULL; |
1651 | ||
1652 | if (keymgmt != NULL) | |
1653 | *keymgmt = tmp_keymgmt; | |
1654 | ||
1655 | EVP_KEYMGMT_free(allocated_keymgmt); | |
b305452f | 1656 | return keydata; |
f6aa5774 | 1657 | } |
badf51c8 | 1658 | |
f844f9eb | 1659 | #ifndef FIPS_MODULE |
acb90ba8 | 1660 | int evp_pkey_downgrade(EVP_PKEY *pk) |
badf51c8 | 1661 | { |
acb90ba8 RL |
1662 | EVP_KEYMGMT *keymgmt = pk->keymgmt; |
1663 | void *keydata = pk->keydata; | |
1664 | int type = pk->save_type; | |
1665 | const char *keytype = NULL; | |
badf51c8 | 1666 | |
acb90ba8 RL |
1667 | /* If this isn't a provider side key, we're done */ |
1668 | if (keymgmt == NULL) | |
1669 | return 1; | |
1670 | ||
1671 | /* Get the key type name for error reporting */ | |
1672 | if (type != EVP_PKEY_NONE) | |
1673 | keytype = OBJ_nid2sn(type); | |
1674 | else | |
1675 | keytype = | |
1676 | evp_first_name(EVP_KEYMGMT_provider(keymgmt), keymgmt->name_id); | |
badf51c8 RL |
1677 | |
1678 | /* | |
acb90ba8 RL |
1679 | * |save_type| was set when any of the EVP_PKEY_set_type functions |
1680 | * was called. It was set to EVP_PKEY_NONE if the key type wasn't | |
1681 | * recognised to be any of the legacy key types, and the downgrade | |
1682 | * isn't possible. | |
badf51c8 | 1683 | */ |
acb90ba8 RL |
1684 | if (type == EVP_PKEY_NONE) { |
1685 | ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_KEY_TYPE, | |
1686 | "key type = %s, can't downgrade", keytype); | |
1687 | return 0; | |
badf51c8 RL |
1688 | } |
1689 | ||
acb90ba8 RL |
1690 | /* |
1691 | * To be able to downgrade, we steal the provider side "origin" keymgmt | |
1692 | * and keydata. We've already grabbed the pointers, so all we need to | |
1693 | * do is clear those pointers in |pk| and then call evp_pkey_free_it(). | |
1694 | * That way, we can restore |pk| if we need to. | |
1695 | */ | |
1696 | pk->keymgmt = NULL; | |
1697 | pk->keydata = NULL; | |
1698 | evp_pkey_free_it(pk); | |
1699 | if (EVP_PKEY_set_type(pk, type)) { | |
1700 | /* If the key is typed but empty, we're done */ | |
49276c35 RL |
1701 | if (keydata == NULL) { |
1702 | /* We're dropping the EVP_KEYMGMT */ | |
1703 | EVP_KEYMGMT_free(keymgmt); | |
acb90ba8 | 1704 | return 1; |
49276c35 | 1705 | } |
badf51c8 | 1706 | |
acb90ba8 RL |
1707 | if (pk->ameth->import_from == NULL) { |
1708 | ERR_raise_data(ERR_LIB_EVP, EVP_R_NO_IMPORT_FUNCTION, | |
1709 | "key type = %s", keytype); | |
629c72db | 1710 | } else { |
acb90ba8 | 1711 | /* |
629c72db MC |
1712 | * We perform the export in the same libctx as the keymgmt that we |
1713 | * are using. | |
acb90ba8 | 1714 | */ |
629c72db MC |
1715 | OPENSSL_CTX *libctx = ossl_provider_library_context(keymgmt->prov); |
1716 | EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_from_pkey(libctx, pk, NULL); | |
1717 | if (pctx == NULL) | |
1718 | ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); | |
1719 | ||
1720 | if (pctx != NULL | |
1721 | && evp_keymgmt_export(keymgmt, keydata, | |
1722 | OSSL_KEYMGMT_SELECT_ALL, | |
1723 | pk->ameth->import_from, pctx)) { | |
1724 | /* | |
1725 | * Save the provider side data in the operation cache, so they'll | |
1726 | * find it again. evp_pkey_free_it() cleared the cache, so it's | |
1727 | * safe to assume slot zero is free. | |
1728 | * Note that evp_keymgmt_util_cache_keydata() increments keymgmt's | |
1729 | * reference count. | |
1730 | */ | |
1731 | evp_keymgmt_util_cache_keydata(pk, 0, keymgmt, keydata); | |
1732 | EVP_PKEY_CTX_free(pctx); | |
1733 | ||
1734 | /* Synchronize the dirty count */ | |
1735 | pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk); | |
1736 | ||
1737 | /* evp_keymgmt_export() increased the refcount... */ | |
1738 | EVP_KEYMGMT_free(keymgmt); | |
1739 | return 1; | |
1740 | } | |
1741 | EVP_PKEY_CTX_free(pctx); | |
badf51c8 RL |
1742 | } |
1743 | ||
acb90ba8 RL |
1744 | ERR_raise_data(ERR_LIB_EVP, EVP_R_KEYMGMT_EXPORT_FAILURE, |
1745 | "key type = %s", keytype); | |
badf51c8 RL |
1746 | } |
1747 | ||
badf51c8 | 1748 | /* |
acb90ba8 RL |
1749 | * Something went wrong. This could for example happen if the keymgmt |
1750 | * turns out to be an HSM implementation that refuses to let go of some | |
1751 | * of the key data, typically the private bits. In this case, we restore | |
1752 | * the provider side internal "origin" and leave it at that. | |
badf51c8 | 1753 | */ |
acb90ba8 RL |
1754 | if (!ossl_assert(EVP_PKEY_set_type_by_keymgmt(pk, keymgmt))) { |
1755 | /* This should not be impossible */ | |
1756 | ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); | |
1757 | return 0; | |
1758 | } | |
49276c35 RL |
1759 | /* EVP_PKEY_set_type_by_keymgmt() increased the refcount... */ |
1760 | EVP_KEYMGMT_free(keymgmt); | |
acb90ba8 RL |
1761 | pk->keydata = keydata; |
1762 | evp_keymgmt_util_cache_keyinfo(pk); | |
1763 | return 0; /* No downgrade, but at least the key is restored */ | |
badf51c8 | 1764 | } |
f844f9eb | 1765 | #endif /* FIPS_MODULE */ |
96ebe52e SL |
1766 | |
1767 | const OSSL_PARAM *EVP_PKEY_gettable_params(EVP_PKEY *pkey) | |
1768 | { | |
1769 | if (pkey == NULL | |
1770 | || pkey->keymgmt == NULL | |
1771 | || pkey->keydata == NULL) | |
1772 | return 0; | |
1773 | return evp_keymgmt_gettable_params(pkey->keymgmt); | |
1774 | } | |
1775 | ||
96ebe52e SL |
1776 | int EVP_PKEY_get_bn_param(EVP_PKEY *pkey, const char *key_name, BIGNUM **bn) |
1777 | { | |
1778 | int ret = 0; | |
1779 | OSSL_PARAM params[2]; | |
1780 | unsigned char buffer[2048]; | |
96ebe52e SL |
1781 | unsigned char *buf = NULL; |
1782 | size_t buf_sz = 0; | |
1783 | ||
1784 | if (pkey == NULL | |
1785 | || pkey->keymgmt == NULL | |
1786 | || pkey->keydata == NULL | |
1787 | || key_name == NULL | |
1788 | || bn == NULL) | |
1789 | return 0; | |
1790 | ||
1791 | memset(buffer, 0, sizeof(buffer)); | |
1792 | params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer)); | |
96ebe52e SL |
1793 | params[1] = OSSL_PARAM_construct_end(); |
1794 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)) { | |
99ea4f02 | 1795 | if (!OSSL_PARAM_modified(params) || params[0].return_size == 0) |
96ebe52e SL |
1796 | return 0; |
1797 | buf_sz = params[0].return_size; | |
1798 | /* | |
1799 | * If it failed because the buffer was too small then allocate the | |
1800 | * required buffer size and retry. | |
1801 | */ | |
1802 | buf = OPENSSL_zalloc(buf_sz); | |
1803 | if (buf == NULL) | |
1804 | return 0; | |
1805 | params[0].data = buf; | |
1806 | params[0].data_size = buf_sz; | |
1807 | ||
1808 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)) | |
1809 | goto err; | |
1810 | } | |
1811 | /* Fail if the param was not found */ | |
99ea4f02 | 1812 | if (!OSSL_PARAM_modified(params)) |
96ebe52e SL |
1813 | goto err; |
1814 | ret = OSSL_PARAM_get_BN(params, bn); | |
1815 | err: | |
1816 | OPENSSL_free(buf); | |
1817 | return ret; | |
1818 | } | |
1819 | ||
1820 | int EVP_PKEY_get_octet_string_param(EVP_PKEY *pkey, const char *key_name, | |
1821 | unsigned char *buf, size_t max_buf_sz, | |
1822 | size_t *out_sz) | |
1823 | { | |
1824 | OSSL_PARAM params[2]; | |
96ebe52e SL |
1825 | |
1826 | if (pkey == NULL | |
1827 | || pkey->keymgmt == NULL | |
1828 | || pkey->keydata == NULL | |
1829 | || key_name == NULL) | |
1830 | return 0; | |
1831 | ||
1832 | params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz); | |
96ebe52e | 1833 | params[1] = OSSL_PARAM_construct_end(); |
99ea4f02 P |
1834 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) |
1835 | || !OSSL_PARAM_modified(params)) | |
96ebe52e SL |
1836 | return 0; |
1837 | if (out_sz != NULL) | |
1838 | *out_sz = params[0].return_size; | |
1839 | return 1; | |
1840 | } | |
1841 | ||
1842 | int EVP_PKEY_get_utf8_string_param(EVP_PKEY *pkey, const char *key_name, | |
1843 | char *str, size_t max_buf_sz, | |
1844 | size_t *out_sz) | |
1845 | { | |
1846 | OSSL_PARAM params[2]; | |
96ebe52e SL |
1847 | |
1848 | if (pkey == NULL | |
1849 | || pkey->keymgmt == NULL | |
1850 | || pkey->keydata == NULL | |
1851 | || key_name == NULL) | |
1852 | return 0; | |
1853 | ||
1854 | params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz); | |
96ebe52e | 1855 | params[1] = OSSL_PARAM_construct_end(); |
99ea4f02 P |
1856 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) |
1857 | || !OSSL_PARAM_modified(params)) | |
96ebe52e SL |
1858 | return 0; |
1859 | if (out_sz != NULL) | |
1860 | *out_sz = params[0].return_size; | |
1861 | return 1; | |
1862 | } | |
1863 | ||
1864 | int EVP_PKEY_get_int_param(EVP_PKEY *pkey, const char *key_name, int *out) | |
1865 | { | |
1866 | OSSL_PARAM params[2]; | |
96ebe52e SL |
1867 | |
1868 | if (pkey == NULL | |
1869 | || pkey->keymgmt == NULL | |
1870 | || pkey->keydata == NULL | |
1871 | || key_name == NULL) | |
1872 | return 0; | |
1873 | ||
1874 | params[0] = OSSL_PARAM_construct_int(key_name, out); | |
96ebe52e | 1875 | params[1] = OSSL_PARAM_construct_end(); |
99ea4f02 P |
1876 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) |
1877 | || !OSSL_PARAM_modified(params)) | |
96ebe52e SL |
1878 | return 0; |
1879 | return 1; | |
1880 | } | |
1881 | ||
1882 | int EVP_PKEY_get_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t *out) | |
1883 | { | |
1884 | OSSL_PARAM params[2]; | |
96ebe52e SL |
1885 | |
1886 | if (pkey == NULL | |
1887 | || pkey->keymgmt == NULL | |
1888 | || pkey->keydata == NULL | |
1889 | || key_name == NULL) | |
1890 | return 0; | |
1891 | ||
1892 | params[0] = OSSL_PARAM_construct_size_t(key_name, out); | |
96ebe52e | 1893 | params[1] = OSSL_PARAM_construct_end(); |
99ea4f02 P |
1894 | if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params) |
1895 | || !OSSL_PARAM_modified(params)) | |
96ebe52e SL |
1896 | return 0; |
1897 | return 1; | |
1898 | } |