]>
Commit | Line | Data |
---|---|---|
62867571 | 1 | /* |
3f5616d7 | 2 | * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
62867571 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
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 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
cd420b0b | 12 | #include "internal/refcount.h" |
4d94ae00 BM |
13 | #include <openssl/bn.h> |
14 | #include <openssl/err.h> | |
ec577822 BM |
15 | #include <openssl/objects.h> |
16 | #include <openssl/evp.h> | |
ec577822 | 17 | #include <openssl/x509.h> |
3c27208f RS |
18 | #include <openssl/rsa.h> |
19 | #include <openssl/dsa.h> | |
20 | #include <openssl/dh.h> | |
21 | #include <openssl/engine.h> | |
01b8b3c7 | 22 | |
5fe736e5 | 23 | #include "internal/asn1_int.h" |
3aeb9348 | 24 | #include "internal/evp_int.h" |
18e377b4 | 25 | |
d02b48c6 | 26 | static void EVP_PKEY_free_it(EVP_PKEY *x); |
bb2297a4 | 27 | |
8900f3e3 | 28 | int EVP_PKEY_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
29 | { |
30 | if (pkey && pkey->ameth && pkey->ameth->pkey_bits) | |
31 | return pkey->ameth->pkey_bits(pkey); | |
32 | return 0; | |
33 | } | |
58964a49 | 34 | |
2514fa79 | 35 | int EVP_PKEY_security_bits(const EVP_PKEY *pkey) |
0f113f3e MC |
36 | { |
37 | if (pkey == NULL) | |
38 | return 0; | |
39 | if (!pkey->ameth || !pkey->ameth->pkey_security_bits) | |
40 | return -2; | |
41 | return pkey->ameth->pkey_security_bits(pkey); | |
42 | } | |
2514fa79 | 43 | |
6b691a5c | 44 | int EVP_PKEY_size(EVP_PKEY *pkey) |
0f113f3e MC |
45 | { |
46 | if (pkey && pkey->ameth && pkey->ameth->pkey_size) | |
47 | return pkey->ameth->pkey_size(pkey); | |
48 | return 0; | |
49 | } | |
d02b48c6 | 50 | |
6b691a5c | 51 | int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) |
0f113f3e | 52 | { |
cf1b7d96 | 53 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
54 | if (pkey->type == EVP_PKEY_DSA) { |
55 | int ret = pkey->save_parameters; | |
56 | ||
57 | if (mode >= 0) | |
58 | pkey->save_parameters = mode; | |
59 | return (ret); | |
60 | } | |
4d94ae00 | 61 | #endif |
5488bb61 | 62 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
63 | if (pkey->type == EVP_PKEY_EC) { |
64 | int ret = pkey->save_parameters; | |
65 | ||
66 | if (mode >= 0) | |
67 | pkey->save_parameters = mode; | |
68 | return (ret); | |
69 | } | |
d02b48c6 | 70 | #endif |
0f113f3e MC |
71 | return (0); |
72 | } | |
d02b48c6 | 73 | |
a8b72844 | 74 | int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) |
0f113f3e | 75 | { |
2986ecdc DSH |
76 | if (to->type == EVP_PKEY_NONE) { |
77 | if (EVP_PKEY_set_type(to, from->type) == 0) | |
78 | return 0; | |
79 | } else if (to->type != from->type) { | |
0f113f3e MC |
80 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); |
81 | goto err; | |
82 | } | |
83 | ||
84 | if (EVP_PKEY_missing_parameters(from)) { | |
85 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); | |
86 | goto err; | |
87 | } | |
f72f00d4 DSH |
88 | |
89 | if (!EVP_PKEY_missing_parameters(to)) { | |
90 | if (EVP_PKEY_cmp_parameters(to, from) == 1) | |
91 | return 1; | |
92 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS); | |
93 | return 0; | |
94 | } | |
95 | ||
0f113f3e MC |
96 | if (from->ameth && from->ameth->param_copy) |
97 | return from->ameth->param_copy(to, from); | |
98 | err: | |
99 | return 0; | |
100 | } | |
d02b48c6 | 101 | |
af0f0f3e | 102 | int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) |
0f113f3e MC |
103 | { |
104 | if (pkey->ameth && pkey->ameth->param_missing) | |
105 | return pkey->ameth->param_missing(pkey); | |
106 | return 0; | |
107 | } | |
d02b48c6 | 108 | |
af0f0f3e | 109 | int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
110 | { |
111 | if (a->type != b->type) | |
112 | return -1; | |
113 | if (a->ameth && a->ameth->param_cmp) | |
114 | return a->ameth->param_cmp(a, b); | |
115 | return -2; | |
116 | } | |
58964a49 | 117 | |
af0f0f3e | 118 | int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) |
0f113f3e MC |
119 | { |
120 | if (a->type != b->type) | |
121 | return -1; | |
122 | ||
123 | if (a->ameth) { | |
124 | int ret; | |
125 | /* Compare parameters if the algorithm has them */ | |
126 | if (a->ameth->param_cmp) { | |
127 | ret = a->ameth->param_cmp(a, b); | |
128 | if (ret <= 0) | |
129 | return ret; | |
130 | } | |
131 | ||
132 | if (a->ameth->pub_cmp) | |
133 | return a->ameth->pub_cmp(a, b); | |
134 | } | |
135 | ||
136 | return -2; | |
137 | } | |
e6526fbf | 138 | |
6b691a5c | 139 | EVP_PKEY *EVP_PKEY_new(void) |
0f113f3e | 140 | { |
a2d0baa2 | 141 | EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e | 142 | |
0f113f3e MC |
143 | if (ret == NULL) { |
144 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
03273d61 | 145 | return NULL; |
0f113f3e MC |
146 | } |
147 | ret->type = EVP_PKEY_NONE; | |
148 | ret->save_type = EVP_PKEY_NONE; | |
149 | ret->references = 1; | |
0f113f3e | 150 | ret->save_parameters = 1; |
03273d61 AG |
151 | ret->lock = CRYPTO_THREAD_lock_new(); |
152 | if (ret->lock == NULL) { | |
153 | EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); | |
154 | OPENSSL_free(ret); | |
155 | return NULL; | |
156 | } | |
157 | return ret; | |
0f113f3e MC |
158 | } |
159 | ||
c5ebfcab | 160 | int EVP_PKEY_up_ref(EVP_PKEY *pkey) |
2872dbe1 | 161 | { |
03273d61 | 162 | int i; |
c5ebfcab | 163 | |
2f545ae4 | 164 | if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0) |
c5ebfcab F |
165 | return 0; |
166 | ||
167 | REF_PRINT_COUNT("EVP_PKEY", pkey); | |
168 | REF_ASSERT_ISNT(i < 2); | |
169 | return ((i > 1) ? 1 : 0); | |
2872dbe1 DSH |
170 | } |
171 | ||
0f113f3e MC |
172 | /* |
173 | * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey | |
174 | * is NULL just return 1 or 0 if the algorithm exists. | |
01b8b3c7 DSH |
175 | */ |
176 | ||
177 | static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) | |
0f113f3e MC |
178 | { |
179 | const EVP_PKEY_ASN1_METHOD *ameth; | |
180 | ENGINE *e = NULL; | |
181 | if (pkey) { | |
182 | if (pkey->pkey.ptr) | |
183 | EVP_PKEY_free_it(pkey); | |
184 | /* | |
185 | * If key type matches and a method exists then this lookup has | |
186 | * succeeded once so just indicate success. | |
187 | */ | |
188 | if ((type == pkey->save_type) && pkey->ameth) | |
189 | return 1; | |
01b8b3c7 | 190 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e | 191 | /* If we have an ENGINE release it */ |
7c96dbcd RS |
192 | ENGINE_finish(pkey->engine); |
193 | pkey->engine = NULL; | |
01b8b3c7 | 194 | #endif |
0f113f3e MC |
195 | } |
196 | if (str) | |
197 | ameth = EVP_PKEY_asn1_find_str(&e, str, len); | |
198 | else | |
199 | ameth = EVP_PKEY_asn1_find(&e, type); | |
01b8b3c7 | 200 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 201 | if (pkey == NULL) |
0f113f3e | 202 | ENGINE_finish(e); |
01b8b3c7 | 203 | #endif |
7c96dbcd | 204 | if (ameth == NULL) { |
0f113f3e MC |
205 | EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); |
206 | return 0; | |
207 | } | |
208 | if (pkey) { | |
209 | pkey->ameth = ameth; | |
210 | pkey->engine = e; | |
211 | ||
212 | pkey->type = pkey->ameth->pkey_id; | |
213 | pkey->save_type = type; | |
214 | } | |
215 | return 1; | |
216 | } | |
01b8b3c7 DSH |
217 | |
218 | int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) | |
0f113f3e MC |
219 | { |
220 | return pkey_set_type(pkey, type, NULL, -1); | |
221 | } | |
01b8b3c7 DSH |
222 | |
223 | int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) | |
0f113f3e MC |
224 | { |
225 | return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); | |
226 | } | |
01b8b3c7 DSH |
227 | |
228 | int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) | |
0f113f3e | 229 | { |
e34c66c6 | 230 | if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) |
0f113f3e MC |
231 | return 0; |
232 | pkey->pkey.ptr = key; | |
233 | return (key != NULL); | |
234 | } | |
d02b48c6 | 235 | |
3aeb9348 | 236 | void *EVP_PKEY_get0(const EVP_PKEY *pkey) |
0f113f3e MC |
237 | { |
238 | return pkey->pkey.ptr; | |
239 | } | |
db98bbc1 | 240 | |
ebad0b0b NM |
241 | const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len) |
242 | { | |
243 | ASN1_OCTET_STRING *os = NULL; | |
244 | if (pkey->type != EVP_PKEY_HMAC) { | |
245 | EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY); | |
246 | return NULL; | |
247 | } | |
248 | os = EVP_PKEY_get0(pkey); | |
249 | *len = os->length; | |
250 | return os->data; | |
251 | } | |
252 | ||
52ad5b60 TS |
253 | #ifndef OPENSSL_NO_POLY1305 |
254 | const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len) | |
255 | { | |
256 | ASN1_OCTET_STRING *os = NULL; | |
257 | if (pkey->type != EVP_PKEY_POLY1305) { | |
258 | EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY); | |
259 | return NULL; | |
260 | } | |
261 | os = EVP_PKEY_get0(pkey); | |
262 | *len = os->length; | |
263 | return os->data; | |
264 | } | |
265 | #endif | |
266 | ||
3f5616d7 TS |
267 | #ifndef OPENSSL_NO_SIPHASH |
268 | const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len) | |
269 | { | |
270 | ASN1_OCTET_STRING *os = NULL; | |
271 | ||
272 | if (pkey->type != EVP_PKEY_SIPHASH) { | |
273 | EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY); | |
274 | return NULL; | |
275 | } | |
276 | os = EVP_PKEY_get0(pkey); | |
277 | *len = os->length; | |
278 | return os->data; | |
279 | } | |
280 | #endif | |
281 | ||
cf1b7d96 | 282 | #ifndef OPENSSL_NO_RSA |
c7cb16a8 | 283 | int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) |
52664f50 | 284 | { |
0f113f3e MC |
285 | int ret = EVP_PKEY_assign_RSA(pkey, key); |
286 | if (ret) | |
287 | RSA_up_ref(key); | |
288 | return ret; | |
52664f50 DSH |
289 | } |
290 | ||
2872dbe1 | 291 | RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) |
0f113f3e MC |
292 | { |
293 | if (pkey->type != EVP_PKEY_RSA) { | |
2872dbe1 | 294 | EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY); |
0f113f3e MC |
295 | return NULL; |
296 | } | |
0f113f3e | 297 | return pkey->pkey.rsa; |
f769ce3e | 298 | } |
2872dbe1 DSH |
299 | |
300 | RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) | |
301 | { | |
302 | RSA *ret = EVP_PKEY_get0_RSA(pkey); | |
303 | if (ret != NULL) | |
304 | RSA_up_ref(ret); | |
305 | return ret; | |
306 | } | |
f769ce3e DSH |
307 | #endif |
308 | ||
cf1b7d96 | 309 | #ifndef OPENSSL_NO_DSA |
c7cb16a8 | 310 | int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) |
52664f50 | 311 | { |
0f113f3e MC |
312 | int ret = EVP_PKEY_assign_DSA(pkey, key); |
313 | if (ret) | |
314 | DSA_up_ref(key); | |
315 | return ret; | |
52664f50 DSH |
316 | } |
317 | ||
2872dbe1 | 318 | DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey) |
0f113f3e MC |
319 | { |
320 | if (pkey->type != EVP_PKEY_DSA) { | |
2872dbe1 | 321 | EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY); |
0f113f3e MC |
322 | return NULL; |
323 | } | |
0f113f3e | 324 | return pkey->pkey.dsa; |
f769ce3e | 325 | } |
2872dbe1 DSH |
326 | |
327 | DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) | |
328 | { | |
329 | DSA *ret = EVP_PKEY_get0_DSA(pkey); | |
330 | if (ret != NULL) | |
331 | DSA_up_ref(ret); | |
332 | return ret; | |
333 | } | |
f769ce3e DSH |
334 | #endif |
335 | ||
14a7cfb3 | 336 | #ifndef OPENSSL_NO_EC |
4d94ae00 | 337 | |
14a7cfb3 | 338 | int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) |
4d94ae00 | 339 | { |
0f113f3e MC |
340 | int ret = EVP_PKEY_assign_EC_KEY(pkey, key); |
341 | if (ret) | |
342 | EC_KEY_up_ref(key); | |
343 | return ret; | |
4d94ae00 BM |
344 | } |
345 | ||
2872dbe1 | 346 | EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey) |
4d94ae00 | 347 | { |
0f113f3e | 348 | if (pkey->type != EVP_PKEY_EC) { |
2872dbe1 | 349 | EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); |
0f113f3e MC |
350 | return NULL; |
351 | } | |
0f113f3e | 352 | return pkey->pkey.ec; |
4d94ae00 | 353 | } |
2872dbe1 DSH |
354 | |
355 | EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) | |
356 | { | |
357 | EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey); | |
358 | if (ret != NULL) | |
359 | EC_KEY_up_ref(ret); | |
360 | return ret; | |
361 | } | |
4d94ae00 BM |
362 | #endif |
363 | ||
cf1b7d96 | 364 | #ifndef OPENSSL_NO_DH |
52664f50 | 365 | |
c7cb16a8 | 366 | int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) |
52664f50 | 367 | { |
0f113f3e MC |
368 | int ret = EVP_PKEY_assign_DH(pkey, key); |
369 | if (ret) | |
370 | DH_up_ref(key); | |
371 | return ret; | |
52664f50 DSH |
372 | } |
373 | ||
2872dbe1 | 374 | DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey) |
0f113f3e MC |
375 | { |
376 | if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) { | |
2872dbe1 | 377 | EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY); |
0f113f3e MC |
378 | return NULL; |
379 | } | |
0f113f3e | 380 | return pkey->pkey.dh; |
f769ce3e | 381 | } |
2872dbe1 DSH |
382 | |
383 | DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) | |
384 | { | |
385 | DH *ret = EVP_PKEY_get0_DH(pkey); | |
386 | if (ret != NULL) | |
387 | DH_up_ref(ret); | |
388 | return ret; | |
389 | } | |
f769ce3e DSH |
390 | #endif |
391 | ||
6b691a5c | 392 | int EVP_PKEY_type(int type) |
0f113f3e MC |
393 | { |
394 | int ret; | |
395 | const EVP_PKEY_ASN1_METHOD *ameth; | |
396 | ENGINE *e; | |
397 | ameth = EVP_PKEY_asn1_find(&e, type); | |
398 | if (ameth) | |
399 | ret = ameth->pkey_id; | |
400 | else | |
401 | ret = NID_undef; | |
01b8b3c7 | 402 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd | 403 | ENGINE_finish(e); |
01b8b3c7 | 404 | #endif |
0f113f3e MC |
405 | return ret; |
406 | } | |
d02b48c6 | 407 | |
7f57b076 | 408 | int EVP_PKEY_id(const EVP_PKEY *pkey) |
0f113f3e MC |
409 | { |
410 | return pkey->type; | |
411 | } | |
7f57b076 DSH |
412 | |
413 | int EVP_PKEY_base_id(const EVP_PKEY *pkey) | |
0f113f3e MC |
414 | { |
415 | return EVP_PKEY_type(pkey->type); | |
416 | } | |
7f57b076 | 417 | |
6b691a5c | 418 | void EVP_PKEY_free(EVP_PKEY *x) |
0f113f3e MC |
419 | { |
420 | int i; | |
d02b48c6 | 421 | |
0f113f3e MC |
422 | if (x == NULL) |
423 | return; | |
d02b48c6 | 424 | |
2f545ae4 | 425 | CRYPTO_DOWN_REF(&x->references, &i, x->lock); |
f3f1cf84 | 426 | REF_PRINT_COUNT("EVP_PKEY", x); |
0f113f3e MC |
427 | if (i > 0) |
428 | return; | |
f3f1cf84 | 429 | REF_ASSERT_ISNT(i < 0); |
0f113f3e | 430 | EVP_PKEY_free_it(x); |
d65c3615 | 431 | CRYPTO_THREAD_lock_free(x->lock); |
222561fe | 432 | sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); |
0f113f3e MC |
433 | OPENSSL_free(x); |
434 | } | |
d02b48c6 | 435 | |
6b691a5c | 436 | static void EVP_PKEY_free_it(EVP_PKEY *x) |
0f113f3e | 437 | { |
c5ba2d99 | 438 | /* internal function; x is never NULL */ |
0f113f3e MC |
439 | if (x->ameth && x->ameth->pkey_free) { |
440 | x->ameth->pkey_free(x); | |
441 | x->pkey.ptr = NULL; | |
442 | } | |
01b8b3c7 | 443 | #ifndef OPENSSL_NO_ENGINE |
7c96dbcd RS |
444 | ENGINE_finish(x->engine); |
445 | x->engine = NULL; | |
01b8b3c7 | 446 | #endif |
0f113f3e | 447 | } |
d02b48c6 | 448 | |
35208f36 | 449 | static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, |
0f113f3e MC |
450 | const char *kstr) |
451 | { | |
452 | BIO_indent(out, indent, 128); | |
453 | BIO_printf(out, "%s algorithm \"%s\" unsupported\n", | |
454 | kstr, OBJ_nid2ln(pkey->type)); | |
455 | return 1; | |
456 | } | |
35208f36 DSH |
457 | |
458 | int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
459 | int indent, ASN1_PCTX *pctx) |
460 | { | |
461 | if (pkey->ameth && pkey->ameth->pub_print) | |
462 | return pkey->ameth->pub_print(out, pkey, indent, pctx); | |
463 | ||
464 | return unsup_alg(out, pkey, indent, "Public Key"); | |
465 | } | |
35208f36 DSH |
466 | |
467 | int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
468 | int indent, ASN1_PCTX *pctx) |
469 | { | |
470 | if (pkey->ameth && pkey->ameth->priv_print) | |
471 | return pkey->ameth->priv_print(out, pkey, indent, pctx); | |
472 | ||
473 | return unsup_alg(out, pkey, indent, "Private Key"); | |
474 | } | |
35208f36 DSH |
475 | |
476 | int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, | |
0f113f3e MC |
477 | int indent, ASN1_PCTX *pctx) |
478 | { | |
479 | if (pkey->ameth && pkey->ameth->param_print) | |
480 | return pkey->ameth->param_print(out, pkey, indent, pctx); | |
481 | return unsup_alg(out, pkey, indent, "Parameters"); | |
482 | } | |
03919683 | 483 | |
5d6aaf8a | 484 | static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2) |
0f113f3e | 485 | { |
5d6aaf8a | 486 | if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) |
0f113f3e | 487 | return -2; |
5d6aaf8a DSH |
488 | return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2); |
489 | } | |
490 | ||
491 | int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) | |
492 | { | |
493 | return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid); | |
494 | } | |
495 | ||
496 | int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, | |
497 | const unsigned char *pt, size_t ptlen) | |
498 | { | |
499 | if (ptlen > INT_MAX) | |
500 | return 0; | |
501 | if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen, | |
502 | (void *)pt) <= 0) | |
503 | return 0; | |
504 | return 1; | |
505 | } | |
506 | ||
507 | size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt) | |
508 | { | |
509 | int rv; | |
510 | rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt); | |
511 | if (rv <= 0) | |
512 | return 0; | |
513 | return rv; | |
0f113f3e | 514 | } |