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Enable PKCS#3 DH in the providers
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e 1/*
b0edda11 2 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
0b6f3c66 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
0b6f3c66
DSH		 8 */
9
10#include <stdio.h>
11#include <stdlib.h>
b39fc560 12#include "internal/cryptlib.h"
3c27208f 13#include <openssl/engine.h>
33bed28b 14#include <openssl/evp.h>
99119000 15#include <openssl/x509v3.h>
5fe736e5 16#include "internal/asn1_int.h"
27af42f9 17#include "internal/evp_int.h"
99119000 18#include "internal/numbers.h"
ff64702b 19#include "evp_locl.h"
0b6f3c66 20
0f113f3e 21typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
5ce278a7 22
df2ee0e2 23static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
0b6f3c66 24
cefa762e 25/* This array needs to be in order of NIDs */
0f113f3e 26static const EVP_PKEY_METHOD *standard_methods[] = {
d4f0339c 27#ifndef OPENSSL_NO_RSA
0f113f3e 28 &rsa_pkey_meth,
d4f0339c
DSH		 29#endif
30#ifndef OPENSSL_NO_DH
0f113f3e 31 &dh_pkey_meth,
d4f0339c
DSH		 32#endif
33#ifndef OPENSSL_NO_DSA
0f113f3e 34 &dsa_pkey_meth,
d4f0339c 35#endif
ef236ec3 36#ifndef OPENSSL_NO_EC
0f113f3e 37 &ec_pkey_meth,
ef236ec3 38#endif
0f113f3e 39 &hmac_pkey_meth,
b4a3aeeb 40#ifndef OPENSSL_NO_CMAC
0f113f3e 41 &cmac_pkey_meth,
b4a3aeeb 42#endif
6577e008
DSH		 43#ifndef OPENSSL_NO_RSA
44 &rsa_pss_pkey_meth,
45#endif
afb14cda 46#ifndef OPENSSL_NO_DH
1eff3485 47 &dhx_pkey_meth,
cefa762e
JB		 48#endif
49#ifndef OPENSSL_NO_SCRYPT
50 &scrypt_pkey_meth,
afb14cda 51#endif
aacfb134 52 &tls1_prf_pkey_meth,
262bd85f
DSH		 53#ifndef OPENSSL_NO_EC
54 &ecx25519_pkey_meth,
13735cfe 55 &ecx448_pkey_meth,
262bd85f 56#endif
52ad5b60
TS		 57 &hkdf_pkey_meth,
58#ifndef OPENSSL_NO_POLY1305
59 &poly1305_pkey_meth,
60#endif
3f5616d7
TS		 61#ifndef OPENSSL_NO_SIPHASH
62 &siphash_pkey_meth,
63#endif
42a3008a
DSH		 64#ifndef OPENSSL_NO_EC
65 &ed25519_pkey_meth,
13735cfe 66 &ed448_pkey_meth,
42a3008a 67#endif
ddb634fe
JL		 68#ifndef OPENSSL_NO_SM2
69 &sm2_pkey_meth,
70#endif
0f113f3e 71};
0b6f3c66 72
606f6c47 73DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 74 pmeth);
babb3798 75
0f113f3e
MC		 76static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
77 const EVP_PKEY_METHOD *const *b)
78{
79 return ((*a)->pkey_id - (*b)->pkey_id);
80}
0b6f3c66 81
606f6c47 82IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
0f113f3e 83 pmeth);
babb3798 84
c9777d26 85const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e
MC		 86{
87 EVP_PKEY_METHOD tmp;
88 const EVP_PKEY_METHOD *t = &tmp, **ret;
89 tmp.pkey_id = type;
90 if (app_pkey_methods) {
91 int idx;
92 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
93 if (idx >= 0)
94 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
95 }
96 ret = OBJ_bsearch_pmeth(&t, standard_methods,
97 sizeof(standard_methods) /
98 sizeof(EVP_PKEY_METHOD *));
99 if (!ret || !*ret)
100 return NULL;
101 return *ret;
102}
0b6f3c66 103
f5cda4cb 104static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
0f113f3e
MC		 105{
106 EVP_PKEY_CTX *ret;
107 const EVP_PKEY_METHOD *pmeth;
2f2e6b62 108
0f113f3e 109 if (id == -1) {
a6465b3f
P		 110 if (pkey == NULL)
111 return 0;
2f2e6b62 112 id = pkey->type;
0f113f3e 113 }
a63bf2c5 114#ifndef OPENSSL_NO_ENGINE
c2976edf 115 if (e == NULL && pkey != NULL)
d19b01ad 116 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 117 /* Try to find an ENGINE which implements this method */
118 if (e) {
119 if (!ENGINE_init(e)) {
120 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
121 return NULL;
122 }
c2976edf 123 } else {
0f113f3e 124 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 125 }
0f113f3e
MC		 126
127 /*
0d4fb843 128 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 129 * tables.
130 */
0f113f3e
MC		 131 if (e)
132 pmeth = ENGINE_get_pkey_meth(e, id);
133 else
a63bf2c5 134#endif
0f113f3e 135 pmeth = EVP_PKEY_meth_find(id);
c9777d26 136
0f113f3e 137 if (pmeth == NULL) {
918a27fa
DSH		 138#ifndef OPENSSL_NO_ENGINE
139 ENGINE_finish(e);
140#endif
0f113f3e
MC		 141 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
142 return NULL;
143 }
c9777d26 144
64b25758 145 ret = OPENSSL_zalloc(sizeof(*ret));
90945fa3 146 if (ret == NULL) {
a63bf2c5 147#ifndef OPENSSL_NO_ENGINE
7c96dbcd 148 ENGINE_finish(e);
a63bf2c5 149#endif
0f113f3e
MC		 150 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
151 return NULL;
152 }
153 ret->engine = e;
154 ret->pmeth = pmeth;
155 ret->operation = EVP_PKEY_OP_UNDEFINED;
156 ret->pkey = pkey;
a6465b3f 157 if (pkey != NULL)
03273d61 158 EVP_PKEY_up_ref(pkey);
0f113f3e
MC		 159
160 if (pmeth->init) {
161 if (pmeth->init(ret) <= 0) {
83b4049a 162 ret->pmeth = NULL;
0f113f3e
MC		 163 EVP_PKEY_CTX_free(ret);
164 return NULL;
165 }
166 }
167
168 return ret;
169}
170
171EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
172{
173 EVP_PKEY_METHOD *pmeth;
b4faea50 174
b51bce94 175 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
3484236d
F		 176 if (pmeth == NULL) {
177 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
0f113f3e 178 return NULL;
3484236d 179 }
0f113f3e 180
0f113f3e
MC		 181 pmeth->pkey_id = id;
182 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
0f113f3e
MC		 183 return pmeth;
184}
ba30bad5 185
f830c68f 186void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 187 const EVP_PKEY_METHOD *meth)
188{
189 if (ppkey_id)
190 *ppkey_id = meth->pkey_id;
191 if (pflags)
192 *pflags = meth->flags;
193}
f830c68f
DSH		 194
195void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 196{
f830c68f 197
0f113f3e
MC		 198 dst->init = src->init;
199 dst->copy = src->copy;
200 dst->cleanup = src->cleanup;
f830c68f 201
0f113f3e
MC		 202 dst->paramgen_init = src->paramgen_init;
203 dst->paramgen = src->paramgen;
f830c68f 204
0f113f3e
MC		 205 dst->keygen_init = src->keygen_init;
206 dst->keygen = src->keygen;
f830c68f 207
0f113f3e
MC		 208 dst->sign_init = src->sign_init;
209 dst->sign = src->sign;
f830c68f 210
0f113f3e
MC		 211 dst->verify_init = src->verify_init;
212 dst->verify = src->verify;
f830c68f 213
0f113f3e
MC		 214 dst->verify_recover_init = src->verify_recover_init;
215 dst->verify_recover = src->verify_recover;
f830c68f 216
0f113f3e
MC		 217 dst->signctx_init = src->signctx_init;
218 dst->signctx = src->signctx;
f830c68f 219
0f113f3e
MC		 220 dst->verifyctx_init = src->verifyctx_init;
221 dst->verifyctx = src->verifyctx;
f830c68f 222
0f113f3e
MC		 223 dst->encrypt_init = src->encrypt_init;
224 dst->encrypt = src->encrypt;
f830c68f 225
0f113f3e
MC		 226 dst->decrypt_init = src->decrypt_init;
227 dst->decrypt = src->decrypt;
f830c68f 228
0f113f3e
MC		 229 dst->derive_init = src->derive_init;
230 dst->derive = src->derive;
f830c68f 231
0f113f3e
MC		 232 dst->ctrl = src->ctrl;
233 dst->ctrl_str = src->ctrl_str;
2aee35d3
PY		 234
235 dst->check = src->check;
0f113f3e 236}
f830c68f 237
ba30bad5 238void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 239{
240 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
241 OPENSSL_free(pmeth);
242}
ba30bad5 243
f5cda4cb 244EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e
MC		 245{
246 return int_ctx_new(pkey, e, -1);
247}
f5cda4cb
DSH		 248
249EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e
MC		 250{
251 return int_ctx_new(NULL, e, id);
252}
f5cda4cb 253
9fdcc21f 254EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
0f113f3e
MC		 255{
256 EVP_PKEY_CTX *rctx;
ff64702b
MC		 257
258 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
259 && pctx->exchprovctx == NULL)
0f113f3e 260 return NULL;
c9777d26 261#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 262 /* Make sure it's safe to copy a pkey context using an ENGINE */
263 if (pctx->engine && !ENGINE_init(pctx->engine)) {
264 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
265 return 0;
266 }
c9777d26 267#endif
ff64702b 268 rctx = OPENSSL_zalloc(sizeof(*rctx));
3484236d
F		 269 if (rctx == NULL) {
270 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
0f113f3e 271 return NULL;
3484236d 272 }
8bdcef40 273
ff64702b
MC		 274 if (pctx->pkey != NULL)
275 EVP_PKEY_up_ref(pctx->pkey);
276 rctx->pkey = pctx->pkey;
277 rctx->operation = pctx->operation;
278
279 if (pctx->exchprovctx != NULL) {
280 if (!ossl_assert(pctx->exchange != NULL))
281 return NULL;
282 rctx->exchange = pctx->exchange;
283 if (!EVP_KEYEXCH_up_ref(rctx->exchange)) {
284 OPENSSL_free(rctx);
285 return NULL;
286 }
287 rctx->exchprovctx = pctx->exchange->dupctx(pctx->exchprovctx);
288 if (rctx->exchprovctx == NULL) {
289 EVP_KEYEXCH_free(rctx->exchange);
290 OPENSSL_free(rctx);
291 return NULL;
292 }
293 return rctx;
294 }
295
0f113f3e 296 rctx->pmeth = pctx->pmeth;
c9777d26 297#ifndef OPENSSL_NO_ENGINE
0f113f3e 298 rctx->engine = pctx->engine;
c9777d26 299#endif
8bdcef40 300
0f113f3e 301 if (pctx->peerkey)
03273d61 302 EVP_PKEY_up_ref(pctx->peerkey);
0f113f3e 303 rctx->peerkey = pctx->peerkey;
8bdcef40 304
0f113f3e
MC		 305 if (pctx->pmeth->copy(rctx, pctx) > 0)
306 return rctx;
8bdcef40 307
83b4049a 308 rctx->pmeth = NULL;
0f113f3e
MC		 309 EVP_PKEY_CTX_free(rctx);
310 return NULL;
8bdcef40 311
0f113f3e 312}
8bdcef40 313
ba30bad5 314int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 315{
316 if (app_pkey_methods == NULL) {
317 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
3484236d
F		 318 if (app_pkey_methods == NULL){
319 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 320 return 0;
3484236d 321 }
0f113f3e 322 }
3484236d
F		 323 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
324 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
0f113f3e 325 return 0;
3484236d 326 }
0f113f3e
MC		 327 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
328 return 1;
329}
ba30bad5 330
0822e89a
PY		 331void evp_app_cleanup_int(void)
332{
333 if (app_pkey_methods != NULL)
334 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
335}
336
337int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
338{
339 const EVP_PKEY_METHOD *ret;
340
341 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
342
343 return ret == NULL ? 0 : 1;
344}
345
48ed9c23
DSH		 346size_t EVP_PKEY_meth_get_count(void)
347{
348 size_t rv = OSSL_NELEM(standard_methods);
349
350 if (app_pkey_methods)
351 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
352 return rv;
353}
354
355const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
356{
357 if (idx < OSSL_NELEM(standard_methods))
358 return standard_methods[idx];
359 if (app_pkey_methods == NULL)
360 return NULL;
361 idx -= OSSL_NELEM(standard_methods);
362 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
363 return NULL;
364 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
365}
366
5da98aa6 367void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 368{
369 if (ctx == NULL)
370 return;
371 if (ctx->pmeth && ctx->pmeth->cleanup)
372 ctx->pmeth->cleanup(ctx);
ff64702b
MC		 373
374 if (ctx->exchprovctx != NULL && ctx->exchange != NULL)
375 ctx->exchange->freectx(ctx->exchprovctx);
376
377 EVP_KEYEXCH_free(ctx->exchange);
378
c5ba2d99
RS		 379 EVP_PKEY_free(ctx->pkey);
380 EVP_PKEY_free(ctx->peerkey);
c9777d26 381#ifndef OPENSSL_NO_ENGINE
7c96dbcd 382 ENGINE_finish(ctx->engine);
c9777d26 383#endif
0f113f3e
MC		 384 OPENSSL_free(ctx);
385}
5da98aa6 386
0b6f3c66 387int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
0f113f3e
MC		 388 int cmd, int p1, void *p2)
389{
390 int ret;
4803717f 391
0f113f3e
MC		 392 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
393 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
394 return -2;
395 }
396 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
397 return -1;
398
4803717f
PY		 399 /* Skip the operation checks since this is called in a very early stage */
400 if (ctx->pmeth->digest_custom != NULL)
401 goto doit;
402
0f113f3e
MC		 403 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
404 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
405 return -1;
406 }
407
408 if ((optype != -1) && !(ctx->operation & optype)) {
409 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
410 return -1;
411 }
412
4803717f 413 doit:
0f113f3e
MC		 414 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
415
416 if (ret == -2)
417 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
418
419 return ret;
0f113f3e 420}
0b6f3c66 421
cefa762e 422int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 423 int cmd, uint64_t value)
cefa762e
JB		 424{
425 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
426}
427
4a3dc3c0 428int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
0f113f3e
MC		 429 const char *name, const char *value)
430{
431 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
432 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
433 return -2;
434 }
410877ba
DSH		 435 if (strcmp(name, "digest") == 0)
436 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
437 value);
0f113f3e
MC		 438 return ctx->pmeth->ctrl_str(ctx, name, value);
439}
f5cda4cb 440
99119000
DSH		 441/* Utility functions to send a string of hex string to a ctrl */
442
443int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
444{
445 size_t len;
446
447 len = strlen(str);
448 if (len > INT_MAX)
449 return -1;
450 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
451}
452
453int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
454{
455 unsigned char *bin;
456 long binlen;
457 int rv = -1;
458
14f051a0 459 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 460 if (bin == NULL)
461 return 0;
462 if (binlen <= INT_MAX)
463 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
464 OPENSSL_free(bin);
465 return rv;
466}
52ad523c 467
410877ba
DSH		 468/* Pass a message digest to a ctrl */
469int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
470{
471 const EVP_MD *m;
c82bafc5 472
410877ba
DSH		 473 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
474 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
475 return 0;
476 }
477 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
478}
99119000 479
b28dea4e 480int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 481{
482 return ctx->operation;
483}
b28dea4e
DSH		 484
485void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 486{
487 ctx->keygen_info = dat;
488 ctx->keygen_info_count = datlen;
489}
b28dea4e 490
f5cda4cb 491void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 492{
493 ctx->data = data;
494}
f5cda4cb 495
9fdcc21f 496void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
0f113f3e
MC		 497{
498 return ctx->data;
499}
f5cda4cb 500
81cebb8b 501EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 502{
503 return ctx->pkey;
504}
81cebb8b 505
0e1dba93 506EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 507{
508 return ctx->peerkey;
509}
510
f5cda4cb 511void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 512{
513 ctx->app_data = data;
514}
f5cda4cb
DSH		 515
516void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 517{
518 return ctx->app_data;
519}
ba30bad5
DSH		 520
521void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 522 int (*init) (EVP_PKEY_CTX *ctx))
523{
524 pmeth->init = init;
525}
8bdcef40
DSH		 526
527void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e 528 int (*copy) (EVP_PKEY_CTX *dst,
9fdcc21f 529 const EVP_PKEY_CTX *src))
0f113f3e
MC		 530{
531 pmeth->copy = copy;
532}
ba30bad5
DSH		 533
534void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 535 void (*cleanup) (EVP_PKEY_CTX *ctx))
536{
537 pmeth->cleanup = cleanup;
538}
ba30bad5
DSH		 539
540void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 541 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
542 int (*paramgen) (EVP_PKEY_CTX *ctx,
543 EVP_PKEY *pkey))
544{
545 pmeth->paramgen_init = paramgen_init;
546 pmeth->paramgen = paramgen;
547}
ba30bad5
DSH		 548
549void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 550 int (*keygen_init) (EVP_PKEY_CTX *ctx),
551 int (*keygen) (EVP_PKEY_CTX *ctx,
552 EVP_PKEY *pkey))
553{
554 pmeth->keygen_init = keygen_init;
555 pmeth->keygen = keygen;
556}
ba30bad5
DSH		 557
558void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 559 int (*sign_init) (EVP_PKEY_CTX *ctx),
560 int (*sign) (EVP_PKEY_CTX *ctx,
561 unsigned char *sig, size_t *siglen,
562 const unsigned char *tbs,
563 size_t tbslen))
564{
565 pmeth->sign_init = sign_init;
566 pmeth->sign = sign;
567}
ba30bad5
DSH		 568
569void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 570 int (*verify_init) (EVP_PKEY_CTX *ctx),
571 int (*verify) (EVP_PKEY_CTX *ctx,
572 const unsigned char *sig,
573 size_t siglen,
574 const unsigned char *tbs,
575 size_t tbslen))
576{
577 pmeth->verify_init = verify_init;
578 pmeth->verify = verify;
579}
ba30bad5
DSH		 580
581void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 582 int (*verify_recover_init) (EVP_PKEY_CTX
583 *ctx),
584 int (*verify_recover) (EVP_PKEY_CTX
585 *ctx,
586 unsigned char
587 *sig,
588 size_t *siglen,
589 const unsigned
590 char *tbs,
591 size_t tbslen))
592{
593 pmeth->verify_recover_init = verify_recover_init;
594 pmeth->verify_recover = verify_recover;
595}
ba30bad5
DSH		 596
597void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 598 int (*signctx_init) (EVP_PKEY_CTX *ctx,
599 EVP_MD_CTX *mctx),
600 int (*signctx) (EVP_PKEY_CTX *ctx,
601 unsigned char *sig,
602 size_t *siglen,
603 EVP_MD_CTX *mctx))
604{
605 pmeth->signctx_init = signctx_init;
606 pmeth->signctx = signctx;
607}
ba30bad5
DSH		 608
609void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 610 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
611 EVP_MD_CTX *mctx),
612 int (*verifyctx) (EVP_PKEY_CTX *ctx,
613 const unsigned char *sig,
614 int siglen,
615 EVP_MD_CTX *mctx))
616{
617 pmeth->verifyctx_init = verifyctx_init;
618 pmeth->verifyctx = verifyctx;
619}
ba30bad5
DSH		 620
621void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 622 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
623 int (*encryptfn) (EVP_PKEY_CTX *ctx,
624 unsigned char *out,
625 size_t *outlen,
626 const unsigned char *in,
627 size_t inlen))
628{
629 pmeth->encrypt_init = encrypt_init;
630 pmeth->encrypt = encryptfn;
631}
ba30bad5
DSH		 632
633void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 634 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
635 int (*decrypt) (EVP_PKEY_CTX *ctx,
636 unsigned char *out,
637 size_t *outlen,
638 const unsigned char *in,
639 size_t inlen))
640{
641 pmeth->decrypt_init = decrypt_init;
642 pmeth->decrypt = decrypt;
643}
ba30bad5
DSH		 644
645void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 646 int (*derive_init) (EVP_PKEY_CTX *ctx),
647 int (*derive) (EVP_PKEY_CTX *ctx,
648 unsigned char *key,
649 size_t *keylen))
650{
651 pmeth->derive_init = derive_init;
652 pmeth->derive = derive;
653}
ba30bad5
DSH		 654
655void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 656 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
657 void *p2),
658 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
659 const char *type,
660 const char *value))
661{
662 pmeth->ctrl = ctrl;
663 pmeth->ctrl_str = ctrl_str;
664}
e7451ed1 665
2aee35d3
PY		 666void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
667 int (*check) (EVP_PKEY *pkey))
668{
669 pmeth->check = check;
670}
671
b0004708
PY		 672void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
673 int (*check) (EVP_PKEY *pkey))
674{
675 pmeth->public_check = check;
676}
677
678void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
679 int (*check) (EVP_PKEY *pkey))
680{
681 pmeth->param_check = check;
682}
683
0a8fdef7
PY		 684void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
685 int (*digest_custom) (EVP_PKEY_CTX *ctx,
686 EVP_MD_CTX *mctx))
687{
688 pmeth->digest_custom = digest_custom;
689}
690
693be9a2 691void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 692 int (**pinit) (EVP_PKEY_CTX *ctx))
693{
694 *pinit = pmeth->init;
695}
696
693be9a2 697void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
e7451ed1 698 int (**pcopy) (EVP_PKEY_CTX *dst,
9fdcc21f 699 const EVP_PKEY_CTX *src))
e7451ed1
DSH		 700{
701 *pcopy = pmeth->copy;
702}
703
693be9a2 704void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 705 void (**pcleanup) (EVP_PKEY_CTX *ctx))
706{
707 *pcleanup = pmeth->cleanup;
708}
709
693be9a2 710void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 711 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
712 int (**pparamgen) (EVP_PKEY_CTX *ctx,
713 EVP_PKEY *pkey))
714{
715 if (pparamgen_init)
716 *pparamgen_init = pmeth->paramgen_init;
717 if (pparamgen)
718 *pparamgen = pmeth->paramgen;
719}
720
693be9a2 721void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 722 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
723 int (**pkeygen) (EVP_PKEY_CTX *ctx,
724 EVP_PKEY *pkey))
725{
726 if (pkeygen_init)
727 *pkeygen_init = pmeth->keygen_init;
728 if (pkeygen)
729 *pkeygen = pmeth->keygen;
730}
731
693be9a2 732void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 733 int (**psign_init) (EVP_PKEY_CTX *ctx),
734 int (**psign) (EVP_PKEY_CTX *ctx,
735 unsigned char *sig, size_t *siglen,
736 const unsigned char *tbs,
737 size_t tbslen))
738{
739 if (psign_init)
740 *psign_init = pmeth->sign_init;
741 if (psign)
742 *psign = pmeth->sign;
743}
744
693be9a2 745void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 746 int (**pverify_init) (EVP_PKEY_CTX *ctx),
747 int (**pverify) (EVP_PKEY_CTX *ctx,
748 const unsigned char *sig,
749 size_t siglen,
750 const unsigned char *tbs,
751 size_t tbslen))
752{
753 if (pverify_init)
754 *pverify_init = pmeth->verify_init;
755 if (pverify)
756 *pverify = pmeth->verify;
757}
758
693be9a2 759void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 760 int (**pverify_recover_init) (EVP_PKEY_CTX
761 *ctx),
762 int (**pverify_recover) (EVP_PKEY_CTX
763 *ctx,
764 unsigned char
765 *sig,
766 size_t *siglen,
767 const unsigned
768 char *tbs,
769 size_t tbslen))
770{
771 if (pverify_recover_init)
772 *pverify_recover_init = pmeth->verify_recover_init;
773 if (pverify_recover)
774 *pverify_recover = pmeth->verify_recover;
775}
776
693be9a2 777void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 778 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
779 EVP_MD_CTX *mctx),
780 int (**psignctx) (EVP_PKEY_CTX *ctx,
781 unsigned char *sig,
782 size_t *siglen,
783 EVP_MD_CTX *mctx))
784{
785 if (psignctx_init)
786 *psignctx_init = pmeth->signctx_init;
787 if (psignctx)
788 *psignctx = pmeth->signctx;
789}
790
693be9a2 791void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 792 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
793 EVP_MD_CTX *mctx),
794 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
795 const unsigned char *sig,
796 int siglen,
797 EVP_MD_CTX *mctx))
798{
799 if (pverifyctx_init)
800 *pverifyctx_init = pmeth->verifyctx_init;
801 if (pverifyctx)
802 *pverifyctx = pmeth->verifyctx;
803}
804
693be9a2 805void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 806 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
807 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
808 unsigned char *out,
809 size_t *outlen,
810 const unsigned char *in,
811 size_t inlen))
812{
813 if (pencrypt_init)
814 *pencrypt_init = pmeth->encrypt_init;
815 if (pencryptfn)
816 *pencryptfn = pmeth->encrypt;
817}
818
693be9a2 819void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 820 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
821 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
822 unsigned char *out,
823 size_t *outlen,
824 const unsigned char *in,
825 size_t inlen))
826{
827 if (pdecrypt_init)
828 *pdecrypt_init = pmeth->decrypt_init;
829 if (pdecrypt)
830 *pdecrypt = pmeth->decrypt;
831}
832
693be9a2 833void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 834 int (**pderive_init) (EVP_PKEY_CTX *ctx),
835 int (**pderive) (EVP_PKEY_CTX *ctx,
836 unsigned char *key,
837 size_t *keylen))
838{
839 if (pderive_init)
840 *pderive_init = pmeth->derive_init;
841 if (pderive)
842 *pderive = pmeth->derive;
843}
844
693be9a2 845void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 846 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
847 void *p2),
848 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
849 const char *type,
850 const char *value))
851{
852 if (pctrl)
853 *pctrl = pmeth->ctrl;
854 if (pctrl_str)
855 *pctrl_str = pmeth->ctrl_str;
856}
2aee35d3 857
693be9a2 858void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2aee35d3
PY		 859 int (**pcheck) (EVP_PKEY *pkey))
860{
34f5c8b1 861 if (pcheck != NULL)
2aee35d3
PY		 862 *pcheck = pmeth->check;
863}
b0004708 864
693be9a2 865void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 866 int (**pcheck) (EVP_PKEY *pkey))
867{
34f5c8b1 868 if (pcheck != NULL)
b0004708
PY		 869 *pcheck = pmeth->public_check;
870}
871
693be9a2 872void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 873 int (**pcheck) (EVP_PKEY *pkey))
874{
34f5c8b1 875 if (pcheck != NULL)
b0004708
PY		 876 *pcheck = pmeth->param_check;
877}
0a8fdef7
PY		 878
879void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
880 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
881 EVP_MD_CTX *mctx))
882{
675f4cee 883 if (pdigest_custom != NULL)
0a8fdef7
PY		 884 *pdigest_custom = pmeth->digest_custom;
885}
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