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Copyright consolidation 03/10
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e
MC		 1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 2006.
0b6f3c66
DSH		 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
0f113f3e 13 * notice, this list of conditions and the following disclaimer.
0b6f3c66
DSH		 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>
b39fc560 61#include "internal/cryptlib.h"
3c27208f 62#include <openssl/engine.h>
33bed28b 63#include <openssl/evp.h>
99119000 64#include <openssl/x509v3.h>
5fe736e5 65#include "internal/asn1_int.h"
27af42f9 66#include "internal/evp_int.h"
99119000 67#include "internal/numbers.h"
0b6f3c66 68
0f113f3e 69typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
5ce278a7 70
df2ee0e2 71static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
0b6f3c66 72
0f113f3e 73static const EVP_PKEY_METHOD *standard_methods[] = {
d4f0339c 74#ifndef OPENSSL_NO_RSA
0f113f3e 75 &rsa_pkey_meth,
d4f0339c
DSH		 76#endif
77#ifndef OPENSSL_NO_DH
0f113f3e 78 &dh_pkey_meth,
d4f0339c
DSH		 79#endif
80#ifndef OPENSSL_NO_DSA
0f113f3e 81 &dsa_pkey_meth,
d4f0339c 82#endif
ef236ec3 83#ifndef OPENSSL_NO_EC
0f113f3e 84 &ec_pkey_meth,
ef236ec3 85#endif
0f113f3e 86 &hmac_pkey_meth,
b4a3aeeb 87#ifndef OPENSSL_NO_CMAC
0f113f3e 88 &cmac_pkey_meth,
b4a3aeeb 89#endif
afb14cda 90#ifndef OPENSSL_NO_DH
1eff3485 91 &dhx_pkey_meth,
afb14cda 92#endif
aacfb134
AG		 93 &tls1_prf_pkey_meth,
94 &hkdf_pkey_meth
0f113f3e 95};
0b6f3c66 96
606f6c47 97DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 98 pmeth);
babb3798 99
0f113f3e
MC		 100static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
101 const EVP_PKEY_METHOD *const *b)
102{
103 return ((*a)->pkey_id - (*b)->pkey_id);
104}
0b6f3c66 105
606f6c47 106IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 107 pmeth);
babb3798 108
c9777d26 109const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e
MC		 110{
111 EVP_PKEY_METHOD tmp;
112 const EVP_PKEY_METHOD *t = &tmp, **ret;
113 tmp.pkey_id = type;
114 if (app_pkey_methods) {
115 int idx;
116 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
117 if (idx >= 0)
118 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
119 }
120 ret = OBJ_bsearch_pmeth(&t, standard_methods,
121 sizeof(standard_methods) /
122 sizeof(EVP_PKEY_METHOD *));
123 if (!ret || !*ret)
124 return NULL;
125 return *ret;
126}
0b6f3c66 127
f5cda4cb 128static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
0f113f3e
MC		 129{
130 EVP_PKEY_CTX *ret;
131 const EVP_PKEY_METHOD *pmeth;
132 if (id == -1) {
133 if (!pkey || !pkey->ameth)
134 return NULL;
135 id = pkey->ameth->pkey_id;
136 }
a63bf2c5 137#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 138 if (pkey && pkey->engine)
139 e = pkey->engine;
140 /* Try to find an ENGINE which implements this method */
141 if (e) {
142 if (!ENGINE_init(e)) {
143 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
144 return NULL;
145 }
146 } else
147 e = ENGINE_get_pkey_meth_engine(id);
148
149 /*
0d4fb843 150 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 151 * tables.
152 */
153
154 if (e)
155 pmeth = ENGINE_get_pkey_meth(e, id);
156 else
a63bf2c5 157#endif
0f113f3e 158 pmeth = EVP_PKEY_meth_find(id);
c9777d26 159
0f113f3e
MC		 160 if (pmeth == NULL) {
161 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
162 return NULL;
163 }
c9777d26 164
64b25758 165 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 166 if (ret == NULL) {
a63bf2c5 167#ifndef OPENSSL_NO_ENGINE
7c96dbcd 168 ENGINE_finish(e);
a63bf2c5 169#endif
0f113f3e
MC		 170 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
171 return NULL;
172 }
173 ret->engine = e;
174 ret->pmeth = pmeth;
175 ret->operation = EVP_PKEY_OP_UNDEFINED;
176 ret->pkey = pkey;
0f113f3e 177 if (pkey)
03273d61 178 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 179
180 if (pmeth->init) {
181 if (pmeth->init(ret) <= 0) {
182 EVP_PKEY_CTX_free(ret);
183 return NULL;
184 }
185 }
186
187 return ret;
188}
189
190EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
191{
192 EVP_PKEY_METHOD *pmeth;
b4faea50 193
b51bce94 194 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
90945fa3 195 if (pmeth == NULL)
0f113f3e
MC		 196 return NULL;
197
0f113f3e
MC		 198 pmeth->pkey_id = id;
199 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 200 return pmeth;
201}
ba30bad5 202
f830c68f 203void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 204 const EVP_PKEY_METHOD *meth)
205{
206 if (ppkey_id)
207 *ppkey_id = meth->pkey_id;
208 if (pflags)
209 *pflags = meth->flags;
210}
f830c68f
DSH		 211
212void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 213{
f830c68f 214
0f113f3e
MC		 215 dst->init = src->init;
216 dst->copy = src->copy;
217 dst->cleanup = src->cleanup;
f830c68f 218
0f113f3e
MC		 219 dst->paramgen_init = src->paramgen_init;
220 dst->paramgen = src->paramgen;
f830c68f 221
0f113f3e
MC		 222 dst->keygen_init = src->keygen_init;
223 dst->keygen = src->keygen;
f830c68f 224
0f113f3e
MC		 225 dst->sign_init = src->sign_init;
226 dst->sign = src->sign;
f830c68f 227
0f113f3e
MC		 228 dst->verify_init = src->verify_init;
229 dst->verify = src->verify;
f830c68f 230
0f113f3e
MC		 231 dst->verify_recover_init = src->verify_recover_init;
232 dst->verify_recover = src->verify_recover;
f830c68f 233
0f113f3e
MC		 234 dst->signctx_init = src->signctx_init;
235 dst->signctx = src->signctx;
f830c68f 236
0f113f3e
MC		 237 dst->verifyctx_init = src->verifyctx_init;
238 dst->verifyctx = src->verifyctx;
f830c68f 239
0f113f3e
MC		 240 dst->encrypt_init = src->encrypt_init;
241 dst->encrypt = src->encrypt;
f830c68f 242
0f113f3e
MC		 243 dst->decrypt_init = src->decrypt_init;
244 dst->decrypt = src->decrypt;
f830c68f 245
0f113f3e
MC		 246 dst->derive_init = src->derive_init;
247 dst->derive = src->derive;
f830c68f 248
0f113f3e
MC		 249 dst->ctrl = src->ctrl;
250 dst->ctrl_str = src->ctrl_str;
251}
f830c68f 252
ba30bad5 253void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 254{
255 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
256 OPENSSL_free(pmeth);
257}
ba30bad5 258
f5cda4cb 259EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 260{
261 return int_ctx_new(pkey, e, -1);
262}
f5cda4cb
DSH		 263
264EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 265{
266 return int_ctx_new(NULL, e, id);
267}
f5cda4cb 268
8bdcef40 269EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
0f113f3e
MC		 270{
271 EVP_PKEY_CTX *rctx;
272 if (!pctx->pmeth || !pctx->pmeth->copy)
273 return NULL;
c9777d26 274#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 275 /* Make sure it's safe to copy a pkey context using an ENGINE */
276 if (pctx->engine && !ENGINE_init(pctx->engine)) {
277 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
278 return 0;
279 }
c9777d26 280#endif
b4faea50 281 rctx = OPENSSL_malloc(sizeof(*rctx));
90945fa3 282 if (rctx == NULL)
0f113f3e 283 return NULL;
8bdcef40 284
0f113f3e 285 rctx->pmeth = pctx->pmeth;
c9777d26 286#ifndef OPENSSL_NO_ENGINE
0f113f3e 287 rctx->engine = pctx->engine;
c9777d26 288#endif
8bdcef40 289
0f113f3e 290 if (pctx->pkey)
03273d61 291 EVP_PKEY_up_ref(pctx->pkey);
944f8580 292
0f113f3e 293 rctx->pkey = pctx->pkey;
8bdcef40 294
0f113f3e 295 if (pctx->peerkey)
03273d61 296 EVP_PKEY_up_ref(pctx->peerkey);
944f8580 297
0f113f3e 298 rctx->peerkey = pctx->peerkey;
8bdcef40 299
0f113f3e
MC		 300 rctx->data = NULL;
301 rctx->app_data = NULL;
302 rctx->operation = pctx->operation;
8bdcef40 303
0f113f3e
MC		 304 if (pctx->pmeth->copy(rctx, pctx) > 0)
305 return rctx;
8bdcef40 306
0f113f3e
MC		 307 EVP_PKEY_CTX_free(rctx);
308 return NULL;
8bdcef40 309
0f113f3e 310}
8bdcef40 311
ba30bad5 312int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 313{
314 if (app_pkey_methods == NULL) {
315 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
90945fa3 316 if (app_pkey_methods == NULL)
0f113f3e
MC		 317 return 0;
318 }
319 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
320 return 0;
321 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
322 return 1;
323}
ba30bad5 324
5da98aa6 325void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 326{
327 if (ctx == NULL)
328 return;
329 if (ctx->pmeth && ctx->pmeth->cleanup)
330 ctx->pmeth->cleanup(ctx);
c5ba2d99
RS		 331 EVP_PKEY_free(ctx->pkey);
332 EVP_PKEY_free(ctx->peerkey);
c9777d26 333#ifndef OPENSSL_NO_ENGINE
7c96dbcd 334 ENGINE_finish(ctx->engine);
c9777d26 335#endif
0f113f3e
MC		 336 OPENSSL_free(ctx);
337}
5da98aa6 338
0b6f3c66 339int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 340 int cmd, int p1, void *p2)
341{
342 int ret;
343 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
344 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
345 return -2;
346 }
347 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
348 return -1;
349
350 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
351 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
352 return -1;
353 }
354
355 if ((optype != -1) && !(ctx->operation & optype)) {
356 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
357 return -1;
358 }
359
360 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
361
362 if (ret == -2)
363 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
364
365 return ret;
366
367}
0b6f3c66 368
4a3dc3c0 369int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 370 const char *name, const char *value)
371{
372 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
373 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
374 return -2;
375 }
86885c28 376 if (strcmp(name, "digest") == 0) {
0f113f3e 377 const EVP_MD *md;
75ebbd9a 378 if (value == NULL || (md = EVP_get_digestbyname(value)) == NULL) {
0f113f3e
MC		 379 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_INVALID_DIGEST);
380 return 0;
381 }
382 return EVP_PKEY_CTX_set_signature_md(ctx, md);
383 }
384 return ctx->pmeth->ctrl_str(ctx, name, value);
385}
f5cda4cb 386
99119000
DSH		 387/* Utility functions to send a string of hex string to a ctrl */
388
389int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
390{
391 size_t len;
392
393 len = strlen(str);
394 if (len > INT_MAX)
395 return -1;
396 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
397}
398
399int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
400{
401 unsigned char *bin;
402 long binlen;
403 int rv = -1;
404
14f051a0 405 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 406 if (bin == NULL)
407 return 0;
408 if (binlen <= INT_MAX)
409 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
410 OPENSSL_free(bin);
411 return rv;
412}
413
b28dea4e 414int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 415{
416 return ctx->operation;
417}
b28dea4e
DSH		 418
419void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 420{
421 ctx->keygen_info = dat;
422 ctx->keygen_info_count = datlen;
423}
b28dea4e 424
f5cda4cb 425void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 426{
427 ctx->data = data;
428}
f5cda4cb
DSH		 429
430void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 431{
432 return ctx->data;
433}
f5cda4cb 434
81cebb8b 435EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 436{
437 return ctx->pkey;
438}
81cebb8b 439
0e1dba93 440EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 441{
442 return ctx->peerkey;
443}
444
f5cda4cb 445void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 446{
447 ctx->app_data = data;
448}
f5cda4cb
DSH		 449
450void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 451{
452 return ctx->app_data;
453}
ba30bad5
DSH		 454
455void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 456 int (*init) (EVP_PKEY_CTX *ctx))
457{
458 pmeth->init = init;
459}
8bdcef40
DSH		 460
461void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 462 int (*copy) (EVP_PKEY_CTX *dst,
463 EVP_PKEY_CTX *src))
464{
465 pmeth->copy = copy;
466}
ba30bad5
DSH		 467
468void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 469 void (*cleanup) (EVP_PKEY_CTX *ctx))
470{
471 pmeth->cleanup = cleanup;
472}
ba30bad5
DSH		 473
474void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 475 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
476 int (*paramgen) (EVP_PKEY_CTX *ctx,
477 EVP_PKEY *pkey))
478{
479 pmeth->paramgen_init = paramgen_init;
480 pmeth->paramgen = paramgen;
481}
ba30bad5
DSH		 482
483void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 484 int (*keygen_init) (EVP_PKEY_CTX *ctx),
485 int (*keygen) (EVP_PKEY_CTX *ctx,
486 EVP_PKEY *pkey))
487{
488 pmeth->keygen_init = keygen_init;
489 pmeth->keygen = keygen;
490}
ba30bad5
DSH		 491
492void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 493 int (*sign_init) (EVP_PKEY_CTX *ctx),
494 int (*sign) (EVP_PKEY_CTX *ctx,
495 unsigned char *sig, size_t *siglen,
496 const unsigned char *tbs,
497 size_t tbslen))
498{
499 pmeth->sign_init = sign_init;
500 pmeth->sign = sign;
501}
ba30bad5
DSH		 502
503void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 504 int (*verify_init) (EVP_PKEY_CTX *ctx),
505 int (*verify) (EVP_PKEY_CTX *ctx,
506 const unsigned char *sig,
507 size_t siglen,
508 const unsigned char *tbs,
509 size_t tbslen))
510{
511 pmeth->verify_init = verify_init;
512 pmeth->verify = verify;
513}
ba30bad5
DSH		 514
515void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 516 int (*verify_recover_init) (EVP_PKEY_CTX
517 *ctx),
518 int (*verify_recover) (EVP_PKEY_CTX
519 *ctx,
520 unsigned char
521 *sig,
522 size_t *siglen,
523 const unsigned
524 char *tbs,
525 size_t tbslen))
526{
527 pmeth->verify_recover_init = verify_recover_init;
528 pmeth->verify_recover = verify_recover;
529}
ba30bad5
DSH		 530
531void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 532 int (*signctx_init) (EVP_PKEY_CTX *ctx,
533 EVP_MD_CTX *mctx),
534 int (*signctx) (EVP_PKEY_CTX *ctx,
535 unsigned char *sig,
536 size_t *siglen,
537 EVP_MD_CTX *mctx))
538{
539 pmeth->signctx_init = signctx_init;
540 pmeth->signctx = signctx;
541}
ba30bad5
DSH		 542
543void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 544 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
545 EVP_MD_CTX *mctx),
546 int (*verifyctx) (EVP_PKEY_CTX *ctx,
547 const unsigned char *sig,
548 int siglen,
549 EVP_MD_CTX *mctx))
550{
551 pmeth->verifyctx_init = verifyctx_init;
552 pmeth->verifyctx = verifyctx;
553}
ba30bad5
DSH		 554
555void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 556 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
557 int (*encryptfn) (EVP_PKEY_CTX *ctx,
558 unsigned char *out,
559 size_t *outlen,
560 const unsigned char *in,
561 size_t inlen))
562{
563 pmeth->encrypt_init = encrypt_init;
564 pmeth->encrypt = encryptfn;
565}
ba30bad5
DSH		 566
567void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 568 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
569 int (*decrypt) (EVP_PKEY_CTX *ctx,
570 unsigned char *out,
571 size_t *outlen,
572 const unsigned char *in,
573 size_t inlen))
574{
575 pmeth->decrypt_init = decrypt_init;
576 pmeth->decrypt = decrypt;
577}
ba30bad5
DSH		 578
579void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 580 int (*derive_init) (EVP_PKEY_CTX *ctx),
581 int (*derive) (EVP_PKEY_CTX *ctx,
582 unsigned char *key,
583 size_t *keylen))
584{
585 pmeth->derive_init = derive_init;
586 pmeth->derive = derive;
587}
ba30bad5
DSH		 588
589void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 590 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
591 void *p2),
592 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
593 const char *type,
594 const char *value))
595{
596 pmeth->ctrl = ctrl;
597 pmeth->ctrl_str = ctrl_str;
598}
e7451ed1
DSH		 599
600void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
601 int (**pinit) (EVP_PKEY_CTX *ctx))
602{
603 *pinit = pmeth->init;
604}
605
606void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
607 int (**pcopy) (EVP_PKEY_CTX *dst,
608 EVP_PKEY_CTX *src))
609{
610 *pcopy = pmeth->copy;
611}
612
613void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
614 void (**pcleanup) (EVP_PKEY_CTX *ctx))
615{
616 *pcleanup = pmeth->cleanup;
617}
618
619void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
620 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
621 int (**pparamgen) (EVP_PKEY_CTX *ctx,
622 EVP_PKEY *pkey))
623{
624 if (pparamgen_init)
625 *pparamgen_init = pmeth->paramgen_init;
626 if (pparamgen)
627 *pparamgen = pmeth->paramgen;
628}
629
630void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
631 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
632 int (**pkeygen) (EVP_PKEY_CTX *ctx,
633 EVP_PKEY *pkey))
634{
635 if (pkeygen_init)
636 *pkeygen_init = pmeth->keygen_init;
637 if (pkeygen)
638 *pkeygen = pmeth->keygen;
639}
640
641void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
642 int (**psign_init) (EVP_PKEY_CTX *ctx),
643 int (**psign) (EVP_PKEY_CTX *ctx,
644 unsigned char *sig, size_t *siglen,
645 const unsigned char *tbs,
646 size_t tbslen))
647{
648 if (psign_init)
649 *psign_init = pmeth->sign_init;
650 if (psign)
651 *psign = pmeth->sign;
652}
653
654void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
655 int (**pverify_init) (EVP_PKEY_CTX *ctx),
656 int (**pverify) (EVP_PKEY_CTX *ctx,
657 const unsigned char *sig,
658 size_t siglen,
659 const unsigned char *tbs,
660 size_t tbslen))
661{
662 if (pverify_init)
663 *pverify_init = pmeth->verify_init;
664 if (pverify)
665 *pverify = pmeth->verify;
666}
667
668void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
669 int (**pverify_recover_init) (EVP_PKEY_CTX
670 *ctx),
671 int (**pverify_recover) (EVP_PKEY_CTX
672 *ctx,
673 unsigned char
674 *sig,
675 size_t *siglen,
676 const unsigned
677 char *tbs,
678 size_t tbslen))
679{
680 if (pverify_recover_init)
681 *pverify_recover_init = pmeth->verify_recover_init;
682 if (pverify_recover)
683 *pverify_recover = pmeth->verify_recover;
684}
685
686void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
687 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
688 EVP_MD_CTX *mctx),
689 int (**psignctx) (EVP_PKEY_CTX *ctx,
690 unsigned char *sig,
691 size_t *siglen,
692 EVP_MD_CTX *mctx))
693{
694 if (psignctx_init)
695 *psignctx_init = pmeth->signctx_init;
696 if (psignctx)
697 *psignctx = pmeth->signctx;
698}
699
700void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
701 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
702 EVP_MD_CTX *mctx),
703 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
704 const unsigned char *sig,
705 int siglen,
706 EVP_MD_CTX *mctx))
707{
708 if (pverifyctx_init)
709 *pverifyctx_init = pmeth->verifyctx_init;
710 if (pverifyctx)
711 *pverifyctx = pmeth->verifyctx;
712}
713
714void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
715 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
716 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
717 unsigned char *out,
718 size_t *outlen,
719 const unsigned char *in,
720 size_t inlen))
721{
722 if (pencrypt_init)
723 *pencrypt_init = pmeth->encrypt_init;
724 if (pencryptfn)
725 *pencryptfn = pmeth->encrypt;
726}
727
728void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
729 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
730 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
731 unsigned char *out,
732 size_t *outlen,
733 const unsigned char *in,
734 size_t inlen))
735{
736 if (pdecrypt_init)
737 *pdecrypt_init = pmeth->decrypt_init;
738 if (pdecrypt)
739 *pdecrypt = pmeth->decrypt;
740}
741
742void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
743 int (**pderive_init) (EVP_PKEY_CTX *ctx),
744 int (**pderive) (EVP_PKEY_CTX *ctx,
745 unsigned char *key,
746 size_t *keylen))
747{
748 if (pderive_init)
749 *pderive_init = pmeth->derive_init;
750 if (pderive)
751 *pderive = pmeth->derive;
752}
753
754void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
755 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
756 void *p2),
757 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
758 const char *type,
759 const char *value))
760{
761 if (pctrl)
762 *pctrl = pmeth->ctrl;
763 if (pctrl_str)
764 *pctrl_str = pmeth->ctrl_str;
765}
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