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Commit | Line | Data |
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0b6f3c66 | 1 | /* pmeth_lib.c */ |
2e597528 | 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
0b6f3c66 DSH |
3 | * project 2006. |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <stdlib.h> | |
0b6f3c66 | 61 | #include "cryptlib.h" |
c20276e4 | 62 | #include <openssl/objects.h> |
5da98aa6 | 63 | #include <openssl/evp.h> |
c9777d26 DSH |
64 | #ifndef OPENSSL_NO_ENGINE |
65 | #include <openssl/engine.h> | |
66 | #endif | |
cd763898 | 67 | #include "asn1_locl.h" |
0b6f3c66 DSH |
68 | #include "evp_locl.h" |
69 | ||
ba30bad5 | 70 | typedef int sk_cmp_fn_type(const char * const *a, const char * const *b); |
5ce278a7 | 71 | |
d4cdbab9 | 72 | DECLARE_STACK_OF(EVP_PKEY_METHOD) |
5ce278a7 | 73 | STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; |
0b6f3c66 | 74 | |
74633553 | 75 | extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth; |
c8ef656d | 76 | extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth; |
0b6f3c66 | 77 | |
9e4d0f0b | 78 | static const EVP_PKEY_METHOD *standard_methods[] = |
0b6f3c66 | 79 | { |
d4f0339c | 80 | #ifndef OPENSSL_NO_RSA |
c927df3f | 81 | &rsa_pkey_meth, |
d4f0339c DSH |
82 | #endif |
83 | #ifndef OPENSSL_NO_DH | |
3ba0885a | 84 | &dh_pkey_meth, |
d4f0339c DSH |
85 | #endif |
86 | #ifndef OPENSSL_NO_DSA | |
9ca7047d | 87 | &dsa_pkey_meth, |
d4f0339c | 88 | #endif |
ef236ec3 | 89 | #ifndef OPENSSL_NO_EC |
74633553 | 90 | &ec_pkey_meth, |
ef236ec3 | 91 | #endif |
74633553 | 92 | &hmac_pkey_meth, |
c8ef656d | 93 | &cmac_pkey_meth |
0b6f3c66 DSH |
94 | }; |
95 | ||
606f6c47 | 96 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, |
e19106f5 | 97 | pmeth); |
babb3798 | 98 | |
0b6f3c66 | 99 | static int pmeth_cmp(const EVP_PKEY_METHOD * const *a, |
babb3798 | 100 | const EVP_PKEY_METHOD * const *b) |
0b6f3c66 DSH |
101 | { |
102 | return ((*a)->pkey_id - (*b)->pkey_id); | |
103 | } | |
104 | ||
606f6c47 | 105 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, |
e19106f5 | 106 | pmeth); |
babb3798 | 107 | |
c9777d26 | 108 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) |
0b6f3c66 | 109 | { |
606f6c47 DSH |
110 | EVP_PKEY_METHOD tmp; |
111 | const EVP_PKEY_METHOD *t = &tmp, **ret; | |
0b6f3c66 DSH |
112 | tmp.pkey_id = type; |
113 | if (app_pkey_methods) | |
114 | { | |
115 | int idx; | |
5ce278a7 | 116 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); |
0b6f3c66 | 117 | if (idx >= 0) |
5ce278a7 | 118 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); |
0b6f3c66 | 119 | } |
e19106f5 DSH |
120 | ret = OBJ_bsearch_pmeth(&t, standard_methods, |
121 | sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *)); | |
0b6f3c66 DSH |
122 | if (!ret || !*ret) |
123 | return NULL; | |
124 | return *ret; | |
125 | } | |
126 | ||
f5cda4cb | 127 | static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) |
0b6f3c66 DSH |
128 | { |
129 | EVP_PKEY_CTX *ret; | |
130 | const EVP_PKEY_METHOD *pmeth; | |
f5cda4cb DSH |
131 | if (id == -1) |
132 | { | |
133 | if (!pkey || !pkey->ameth) | |
134 | return NULL; | |
135 | id = pkey->ameth->pkey_id; | |
136 | } | |
a63bf2c5 | 137 | #ifndef OPENSSL_NO_ENGINE |
ad889de0 DSH |
138 | if (pkey && pkey->engine) |
139 | e = pkey->engine; | |
c9777d26 DSH |
140 | /* Try to find an ENGINE which implements this method */ |
141 | if (e) | |
142 | { | |
143 | if (!ENGINE_init(e)) | |
144 | { | |
145 | EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB); | |
146 | return NULL; | |
147 | } | |
c9777d26 | 148 | } |
1892c8bf DSH |
149 | else |
150 | e = ENGINE_get_pkey_meth_engine(id); | |
c9777d26 DSH |
151 | |
152 | /* If an ENGINE handled this method look it up. Othewise | |
5e428e7d | 153 | * use internal tables. |
c9777d26 DSH |
154 | */ |
155 | ||
156 | if (e) | |
157 | pmeth = ENGINE_get_pkey_meth(e, id); | |
158 | else | |
a63bf2c5 | 159 | #endif |
c9777d26 DSH |
160 | pmeth = EVP_PKEY_meth_find(id); |
161 | ||
0b6f3c66 | 162 | if (pmeth == NULL) |
01b8b3c7 DSH |
163 | { |
164 | EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM); | |
0b6f3c66 | 165 | return NULL; |
01b8b3c7 | 166 | } |
c9777d26 | 167 | |
0b6f3c66 | 168 | ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); |
1892c8bf DSH |
169 | if (!ret) |
170 | { | |
a63bf2c5 | 171 | #ifndef OPENSSL_NO_ENGINE |
1892c8bf DSH |
172 | if (e) |
173 | ENGINE_finish(e); | |
a63bf2c5 | 174 | #endif |
1892c8bf DSH |
175 | EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE); |
176 | return NULL; | |
177 | } | |
c9777d26 | 178 | ret->engine = e; |
0b6f3c66 DSH |
179 | ret->pmeth = pmeth; |
180 | ret->operation = EVP_PKEY_OP_UNDEFINED; | |
cd763898 | 181 | ret->pkey = pkey; |
d87e6152 | 182 | ret->peerkey = NULL; |
efcf5f1c | 183 | ret->pkey_gencb = 0; |
f5cda4cb DSH |
184 | if (pkey) |
185 | CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); | |
0b6f3c66 DSH |
186 | ret->data = NULL; |
187 | ||
5da98aa6 DSH |
188 | if (pmeth->init) |
189 | { | |
190 | if (pmeth->init(ret) <= 0) | |
191 | { | |
192 | EVP_PKEY_CTX_free(ret); | |
193 | return NULL; | |
194 | } | |
195 | } | |
196 | ||
0b6f3c66 DSH |
197 | return ret; |
198 | } | |
199 | ||
ba30bad5 DSH |
200 | EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags) |
201 | { | |
202 | EVP_PKEY_METHOD *pmeth; | |
203 | pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD)); | |
204 | if (!pmeth) | |
205 | return NULL; | |
206 | ||
3231e42d DSH |
207 | memset(pmeth, 0, sizeof(EVP_PKEY_METHOD)); |
208 | ||
ba30bad5 | 209 | pmeth->pkey_id = id; |
b010b7c4 | 210 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; |
ba30bad5 DSH |
211 | |
212 | pmeth->init = 0; | |
8bdcef40 | 213 | pmeth->copy = 0; |
ba30bad5 DSH |
214 | pmeth->cleanup = 0; |
215 | pmeth->paramgen_init = 0; | |
216 | pmeth->paramgen = 0; | |
217 | pmeth->keygen_init = 0; | |
218 | pmeth->keygen = 0; | |
219 | pmeth->sign_init = 0; | |
220 | pmeth->sign = 0; | |
221 | pmeth->verify_init = 0; | |
222 | pmeth->verify = 0; | |
223 | pmeth->verify_recover_init = 0; | |
224 | pmeth->verify_recover = 0; | |
225 | pmeth->signctx_init = 0; | |
226 | pmeth->signctx = 0; | |
227 | pmeth->verifyctx_init = 0; | |
228 | pmeth->verifyctx = 0; | |
229 | pmeth->encrypt_init = 0; | |
230 | pmeth->encrypt = 0; | |
231 | pmeth->decrypt_init = 0; | |
232 | pmeth->decrypt = 0; | |
233 | pmeth->derive_init = 0; | |
234 | pmeth->derive = 0; | |
235 | pmeth->ctrl = 0; | |
236 | pmeth->ctrl_str = 0; | |
237 | ||
238 | return pmeth; | |
239 | } | |
240 | ||
f830c68f DSH |
241 | void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, |
242 | const EVP_PKEY_METHOD *meth) | |
243 | { | |
244 | if (ppkey_id) | |
245 | *ppkey_id = meth->pkey_id; | |
246 | if (pflags) | |
247 | *pflags = meth->flags; | |
248 | } | |
249 | ||
250 | void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
251 | { | |
252 | ||
253 | dst->init = src->init; | |
254 | dst->copy = src->copy; | |
255 | dst->cleanup = src->cleanup; | |
256 | ||
257 | dst->paramgen_init = src->paramgen_init; | |
258 | dst->paramgen = src->paramgen; | |
259 | ||
260 | dst->keygen_init = src->keygen_init; | |
261 | dst->keygen = src->keygen; | |
262 | ||
263 | dst->sign_init = src->sign_init; | |
264 | dst->sign = src->sign; | |
265 | ||
266 | dst->verify_init = src->verify_init; | |
267 | dst->verify = src->verify; | |
268 | ||
269 | dst->verify_recover_init = src->verify_recover_init; | |
270 | dst->verify_recover = src->verify_recover; | |
271 | ||
272 | dst->signctx_init = src->signctx_init; | |
273 | dst->signctx = src->signctx; | |
274 | ||
275 | dst->verifyctx_init = src->verifyctx_init; | |
276 | dst->verifyctx = src->verifyctx; | |
277 | ||
278 | dst->encrypt_init = src->encrypt_init; | |
279 | dst->encrypt = src->encrypt; | |
280 | ||
281 | dst->decrypt_init = src->decrypt_init; | |
282 | dst->decrypt = src->decrypt; | |
283 | ||
284 | dst->derive_init = src->derive_init; | |
285 | dst->derive = src->derive; | |
286 | ||
287 | dst->ctrl = src->ctrl; | |
288 | dst->ctrl_str = src->ctrl_str; | |
289 | } | |
290 | ||
ba30bad5 DSH |
291 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
292 | { | |
b010b7c4 | 293 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) |
ba30bad5 DSH |
294 | OPENSSL_free(pmeth); |
295 | } | |
296 | ||
f5cda4cb DSH |
297 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
298 | { | |
299 | return int_ctx_new(pkey, e, -1); | |
300 | } | |
301 | ||
302 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
303 | { | |
304 | return int_ctx_new(NULL, e, id); | |
305 | } | |
306 | ||
8bdcef40 DSH |
307 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx) |
308 | { | |
309 | EVP_PKEY_CTX *rctx; | |
310 | if (!pctx->pmeth || !pctx->pmeth->copy) | |
311 | return NULL; | |
c9777d26 DSH |
312 | #ifndef OPENSSL_NO_ENGINE |
313 | /* Make sure it's safe to copy a pkey context using an ENGINE */ | |
314 | if (pctx->engine && !ENGINE_init(pctx->engine)) | |
315 | { | |
316 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB); | |
317 | return 0; | |
318 | } | |
319 | #endif | |
8bdcef40 DSH |
320 | rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); |
321 | if (!rctx) | |
322 | return NULL; | |
323 | ||
324 | rctx->pmeth = pctx->pmeth; | |
c9777d26 DSH |
325 | #ifndef OPENSSL_NO_ENGINE |
326 | rctx->engine = pctx->engine; | |
327 | #endif | |
8bdcef40 DSH |
328 | |
329 | if (pctx->pkey) | |
8bdcef40 | 330 | CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY); |
944f8580 DSH |
331 | |
332 | rctx->pkey = pctx->pkey; | |
8bdcef40 DSH |
333 | |
334 | if (pctx->peerkey) | |
8bdcef40 | 335 | CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY); |
944f8580 DSH |
336 | |
337 | rctx->peerkey = pctx->peerkey; | |
8bdcef40 DSH |
338 | |
339 | rctx->data = NULL; | |
340 | rctx->app_data = NULL; | |
341 | rctx->operation = pctx->operation; | |
342 | ||
343 | if (pctx->pmeth->copy(rctx, pctx) > 0) | |
944f8580 | 344 | return rctx; |
8bdcef40 DSH |
345 | |
346 | EVP_PKEY_CTX_free(rctx); | |
347 | return NULL; | |
348 | ||
349 | } | |
350 | ||
ba30bad5 DSH |
351 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
352 | { | |
353 | if (app_pkey_methods == NULL) | |
354 | { | |
5ce278a7 | 355 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); |
ba30bad5 DSH |
356 | if (!app_pkey_methods) |
357 | return 0; | |
358 | } | |
5ce278a7 | 359 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) |
ba30bad5 | 360 | return 0; |
5ce278a7 | 361 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
ba30bad5 DSH |
362 | return 1; |
363 | } | |
364 | ||
5da98aa6 DSH |
365 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
366 | { | |
0d5ac5a7 NL |
367 | if (ctx == NULL) |
368 | return; | |
5da98aa6 DSH |
369 | if (ctx->pmeth && ctx->pmeth->cleanup) |
370 | ctx->pmeth->cleanup(ctx); | |
371 | if (ctx->pkey) | |
372 | EVP_PKEY_free(ctx->pkey); | |
ffb1ac67 DSH |
373 | if (ctx->peerkey) |
374 | EVP_PKEY_free(ctx->peerkey); | |
c9777d26 DSH |
375 | #ifndef OPENSSL_NO_ENGINE |
376 | if(ctx->engine) | |
377 | /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the | |
378 | * functional reference we held for this reason. */ | |
379 | ENGINE_finish(ctx->engine); | |
380 | #endif | |
5da98aa6 DSH |
381 | OPENSSL_free(ctx); |
382 | } | |
383 | ||
0b6f3c66 DSH |
384 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
385 | int cmd, int p1, void *p2) | |
386 | { | |
5da98aa6 | 387 | int ret; |
0b6f3c66 | 388 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) |
5da98aa6 DSH |
389 | { |
390 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
0b6f3c66 | 391 | return -2; |
5da98aa6 | 392 | } |
0b6f3c66 DSH |
393 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) |
394 | return -1; | |
395 | ||
396 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
397 | { | |
5da98aa6 | 398 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); |
0b6f3c66 DSH |
399 | return -1; |
400 | } | |
401 | ||
716630c0 | 402 | if ((optype != -1) && !(ctx->operation & optype)) |
0b6f3c66 | 403 | { |
5da98aa6 | 404 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); |
0b6f3c66 DSH |
405 | return -1; |
406 | } | |
407 | ||
5da98aa6 | 408 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
0b6f3c66 | 409 | |
5da98aa6 DSH |
410 | if (ret == -2) |
411 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
0b6f3c66 | 412 | |
5da98aa6 | 413 | return ret; |
0b6f3c66 | 414 | |
5da98aa6 | 415 | } |
0b6f3c66 | 416 | |
4a3dc3c0 DSH |
417 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, |
418 | const char *name, const char *value) | |
f733a5ef | 419 | { |
c927df3f | 420 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) |
f733a5ef | 421 | { |
c927df3f DSH |
422 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, |
423 | EVP_R_COMMAND_NOT_SUPPORTED); | |
f733a5ef DSH |
424 | return -2; |
425 | } | |
b2a97be7 DSH |
426 | if (!strcmp(name, "digest")) |
427 | { | |
428 | const EVP_MD *md; | |
429 | if (!value || !(md = EVP_get_digestbyname(value))) | |
430 | { | |
c927df3f DSH |
431 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, |
432 | EVP_R_INVALID_DIGEST); | |
b2a97be7 DSH |
433 | return 0; |
434 | } | |
716630c0 | 435 | return EVP_PKEY_CTX_set_signature_md(ctx, md); |
b2a97be7 | 436 | } |
f733a5ef DSH |
437 | return ctx->pmeth->ctrl_str(ctx, name, value); |
438 | } | |
f5cda4cb | 439 | |
b28dea4e DSH |
440 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
441 | { | |
442 | return ctx->operation; | |
443 | } | |
444 | ||
445 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
446 | { | |
447 | ctx->keygen_info = dat; | |
448 | ctx->keygen_info_count = datlen; | |
449 | } | |
450 | ||
f5cda4cb DSH |
451 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
452 | { | |
453 | ctx->data = data; | |
454 | } | |
455 | ||
456 | void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) | |
457 | { | |
458 | return ctx->data; | |
459 | } | |
460 | ||
81cebb8b DSH |
461 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
462 | { | |
463 | return ctx->pkey; | |
464 | } | |
465 | ||
0e1dba93 DSH |
466 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
467 | { | |
468 | return ctx->peerkey; | |
469 | } | |
470 | ||
f5cda4cb DSH |
471 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
472 | { | |
473 | ctx->app_data = data; | |
474 | } | |
475 | ||
476 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
477 | { | |
478 | return ctx->app_data; | |
479 | } | |
ba30bad5 DSH |
480 | |
481 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
482 | int (*init)(EVP_PKEY_CTX *ctx)) | |
483 | { | |
484 | pmeth->init = init; | |
8bdcef40 DSH |
485 | } |
486 | ||
487 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
488 | int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)) | |
489 | { | |
490 | pmeth->copy = copy; | |
ba30bad5 DSH |
491 | } |
492 | ||
493 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
494 | void (*cleanup)(EVP_PKEY_CTX *ctx)) | |
495 | { | |
496 | pmeth->cleanup = cleanup; | |
497 | } | |
498 | ||
499 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
500 | int (*paramgen_init)(EVP_PKEY_CTX *ctx), | |
501 | int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) | |
502 | { | |
503 | pmeth->paramgen_init = paramgen_init; | |
504 | pmeth->paramgen = paramgen; | |
505 | } | |
506 | ||
507 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
508 | int (*keygen_init)(EVP_PKEY_CTX *ctx), | |
509 | int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) | |
510 | { | |
511 | pmeth->keygen_init = keygen_init; | |
512 | pmeth->keygen = keygen; | |
513 | } | |
514 | ||
515 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
516 | int (*sign_init)(EVP_PKEY_CTX *ctx), | |
eaff5a14 DSH |
517 | int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, |
518 | const unsigned char *tbs, size_t tbslen)) | |
ba30bad5 DSH |
519 | { |
520 | pmeth->sign_init = sign_init; | |
521 | pmeth->sign = sign; | |
522 | } | |
523 | ||
524 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
525 | int (*verify_init)(EVP_PKEY_CTX *ctx), | |
eaff5a14 DSH |
526 | int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, |
527 | const unsigned char *tbs, size_t tbslen)) | |
ba30bad5 DSH |
528 | { |
529 | pmeth->verify_init = verify_init; | |
530 | pmeth->verify = verify; | |
531 | } | |
532 | ||
533 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
534 | int (*verify_recover_init)(EVP_PKEY_CTX *ctx), | |
535 | int (*verify_recover)(EVP_PKEY_CTX *ctx, | |
eaff5a14 DSH |
536 | unsigned char *sig, size_t *siglen, |
537 | const unsigned char *tbs, size_t tbslen)) | |
ba30bad5 DSH |
538 | { |
539 | pmeth->verify_recover_init = verify_recover_init; | |
540 | pmeth->verify_recover = verify_recover; | |
541 | } | |
542 | ||
543 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
544 | int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), | |
eaff5a14 | 545 | int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, |
ba30bad5 DSH |
546 | EVP_MD_CTX *mctx)) |
547 | { | |
548 | pmeth->signctx_init = signctx_init; | |
549 | pmeth->signctx = signctx; | |
550 | } | |
551 | ||
552 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
553 | int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), | |
554 | int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen, | |
555 | EVP_MD_CTX *mctx)) | |
556 | { | |
557 | pmeth->verifyctx_init = verifyctx_init; | |
558 | pmeth->verifyctx = verifyctx; | |
559 | } | |
560 | ||
561 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
562 | int (*encrypt_init)(EVP_PKEY_CTX *ctx), | |
b3f34078 | 563 | int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, |
eaff5a14 | 564 | const unsigned char *in, size_t inlen)) |
ba30bad5 DSH |
565 | { |
566 | pmeth->encrypt_init = encrypt_init; | |
b3f34078 | 567 | pmeth->encrypt = encryptfn; |
ba30bad5 DSH |
568 | } |
569 | ||
570 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
571 | int (*decrypt_init)(EVP_PKEY_CTX *ctx), | |
eaff5a14 DSH |
572 | int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, |
573 | const unsigned char *in, size_t inlen)) | |
ba30bad5 DSH |
574 | { |
575 | pmeth->decrypt_init = decrypt_init; | |
576 | pmeth->decrypt = decrypt; | |
577 | } | |
578 | ||
579 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
580 | int (*derive_init)(EVP_PKEY_CTX *ctx), | |
eaff5a14 | 581 | int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)) |
ba30bad5 DSH |
582 | { |
583 | pmeth->derive_init = derive_init; | |
584 | pmeth->derive = derive; | |
585 | } | |
586 | ||
587 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
588 | int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), | |
589 | int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)) | |
590 | { | |
591 | pmeth->ctrl = ctrl; | |
592 | pmeth->ctrl_str = ctrl_str; | |
593 | } |