]> git.ipfire.org Git - thirdparty/openssl.git/blame - crypto/evp/pmeth_lib.c
projects / thirdparty / openssl.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
CORE: Separate OSSL_PROVIDER activation from OSSL_PROVIDER reference
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e 1/*
33388b44 2 * Copyright 2006-2020 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
ada66e78 10/*
b03ec3b5 11 * Low level key APIs (DH etc) are deprecated for public use, but still ok for
ada66e78
P		 12 * internal use.
13 */
14#include "internal/deprecated.h"
15
0b6f3c66
DSH		 16#include <stdio.h>
17#include <stdlib.h>
3c27208f 18#include <openssl/engine.h>
33bed28b 19#include <openssl/evp.h>
99119000 20#include <openssl/x509v3.h>
35aca9ec
MC		 21#include <openssl/core_names.h>
22#include <openssl/dh.h>
89abd1b6 23#include <openssl/rsa.h>
ac2d58c7 24#include <openssl/kdf.h>
35aca9ec 25#include "internal/cryptlib.h"
25f2138b
DMSP		 26#include "crypto/asn1.h"
27#include "crypto/evp.h"
7165593c 28#include "crypto/dh.h"
7229a2f4 29#include "crypto/ec.h"
7165593c 30#include "internal/ffc.h"
99119000 31#include "internal/numbers.h"
390acbeb 32#include "internal/provider.h"
706457b7 33#include "evp_local.h"
0b6f3c66 34
f844f9eb 35#ifndef FIPS_MODULE
e683582b 36
86df26b3
RL		 37static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
38 int keytype, int optype,
39 int cmd, const char *name,
40 const void *data, size_t data_len);
41static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
42 int cmd, const char *name);
43static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx);
44
19bd1fa1 45typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
0f113f3e 46typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
5ce278a7 47
df2ee0e2 48static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
0b6f3c66 49
cefa762e 50/* This array needs to be in order of NIDs */
19bd1fa1 51static pmeth_fn standard_methods[] = {
e683582b 52# ifndef OPENSSL_NO_RSA
23b2fc0b 53 ossl_rsa_pkey_method,
e683582b
SL		 54# endif
55# ifndef OPENSSL_NO_DH
19bd1fa1 56 dh_pkey_method,
e683582b
SL		 57# endif
58# ifndef OPENSSL_NO_DSA
19bd1fa1 59 dsa_pkey_method,
e683582b
SL		 60# endif
61# ifndef OPENSSL_NO_EC
19bd1fa1 62 ec_pkey_method,
e683582b
SL		 63# endif
64# ifndef OPENSSL_NO_RSA
23b2fc0b 65 ossl_rsa_pss_pkey_method,
e683582b
SL		 66# endif
67# ifndef OPENSSL_NO_DH
19bd1fa1 68 dhx_pkey_method,
e683582b 69# endif
e683582b 70# ifndef OPENSSL_NO_EC
19bd1fa1
PS		 71 ecx25519_pkey_method,
72 ecx448_pkey_method,
e683582b 73# endif
e683582b 74# ifndef OPENSSL_NO_EC
19bd1fa1
PS		 75 ed25519_pkey_method,
76 ed448_pkey_method,
e683582b 77# endif
0f113f3e 78};
0b6f3c66 79
19bd1fa1
PS		 80DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
81
82static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
83{
84 return ((*a)->pkey_id - ((**b)())->pkey_id);
85}
86
87IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
babb3798 88
0f113f3e
MC		 89static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
90 const EVP_PKEY_METHOD *const *b)
91{
92 return ((*a)->pkey_id - (*b)->pkey_id);
93}
0b6f3c66 94
c9777d26 95const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
0f113f3e 96{
19bd1fa1 97 pmeth_fn *ret;
0f113f3e 98 EVP_PKEY_METHOD tmp;
19bd1fa1 99 const EVP_PKEY_METHOD *t = &tmp;
12a765a5 100
0f113f3e
MC		 101 tmp.pkey_id = type;
102 if (app_pkey_methods) {
103 int idx;
104 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
105 if (idx >= 0)
106 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
107 }
19bd1fa1
PS		 108 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
109 sizeof(standard_methods) /
110 sizeof(pmeth_fn));
12a765a5 111 if (ret == NULL || *ret == NULL)
0f113f3e 112 return NULL;
19bd1fa1 113 return (**ret)();
0f113f3e 114}
0b6f3c66 115
e683582b
SL		 116EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
117{
118 EVP_PKEY_METHOD *pmeth;
119
120 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
121 if (pmeth == NULL) {
9311d0c4 122 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
e683582b
SL		 123 return NULL;
124 }
125
126 pmeth->pkey_id = id;
127 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
128 return pmeth;
129}
50914496 130
86df26b3
RL		 131/* Three possible states: */
132# define EVP_PKEY_STATE_UNKNOWN 0
133# define EVP_PKEY_STATE_LEGACY 1
134# define EVP_PKEY_STATE_PROVIDER 2
135
136static int evp_pkey_ctx_state(EVP_PKEY_CTX *ctx)
137{
138 if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
139 return EVP_PKEY_STATE_UNKNOWN;
140
141 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
142 && ctx->op.kex.exchprovctx != NULL)
143 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
144 && ctx->op.sig.sigprovctx != NULL)
145 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
146 && ctx->op.ciph.ciphprovctx != NULL)
147 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
80f4fd18
SL		 148 && ctx->op.keymgmt.genctx != NULL)
149 || (EVP_PKEY_CTX_IS_KEM_OP(ctx)
150 && ctx->op.encap.kemprovctx != NULL))
86df26b3
RL		 151 return EVP_PKEY_STATE_PROVIDER;
152
153 return EVP_PKEY_STATE_LEGACY;
154}
155
50914496
RL		 156static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
157 void *arg)
158{
159 int *type = arg;
160
161 if (*type == NID_undef)
162 *type = evp_pkey_name2type(keytype);
163}
164
165static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
166{
167 int type = NID_undef;
168
169 EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
170 &type);
171 return type;
172}
f844f9eb 173#endif /* FIPS_MODULE */
e683582b 174
b4250010 175static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx,
3ee348b0 176 EVP_PKEY *pkey, ENGINE *e,
4b9e90f4 177 const char *keytype, const char *propquery,
a07c17ef 178 int id)
e683582b 179
0f113f3e 180{
50914496 181 EVP_PKEY_CTX *ret = NULL;
d0ea49a8 182 const EVP_PKEY_METHOD *pmeth = NULL;
4b9e90f4 183 EVP_KEYMGMT *keymgmt = NULL;
d0ea49a8
RL		 184
185 /*
50914496 186 * If the given |pkey| is provided, we extract the keytype from its
5e5bc836 187 * keymgmt and skip over the legacy code.
982efd77 188 */
5e5bc836 189 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
982efd77
RL		 190 /* If we have an engine, something went wrong somewhere... */
191 if (!ossl_assert(e == NULL))
192 return NULL;
4b9e90f4 193 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
982efd77
RL		 194 goto common;
195 }
50914496 196
f844f9eb 197#ifndef FIPS_MODULE
50914496
RL		 198 /*
199 * TODO(3.0) This legacy code section should be removed when we stop
200 * supporting engines
201 */
d0ea49a8 202 /* BEGIN legacy */
0f113f3e 203 if (id == -1) {
50914496
RL		 204 if (pkey != NULL)
205 id = pkey->type;
206 else if (keytype != NULL)
207 id = evp_pkey_name2type(keytype);
208 if (id == NID_undef)
209 id = -1;
0f113f3e 210 }
50914496
RL		 211 /* If no ID was found here, we can only resort to find a keymgmt */
212 if (id == -1)
213 goto common;
60653e5b
RL		 214
215 /*
216 * Here, we extract what information we can for the purpose of
217 * supporting usage with implementations from providers, to make
218 * for a smooth transition from legacy stuff to provider based stuff.
219 *
220 * If an engine is given, this is entirely legacy, and we should not
221 * pretend anything else, so we only set the name when no engine is
222 * given. If both are already given, someone made a mistake, and
223 * since that can only happen internally, it's safe to make an
224 * assertion.
225 */
4b9e90f4 226 if (!ossl_assert(e == NULL || keytype == NULL))
60653e5b
RL		 227 return NULL;
228 if (e == NULL)
4b9e90f4 229 keytype = OBJ_nid2sn(id);
60653e5b 230
e683582b 231# ifndef OPENSSL_NO_ENGINE
c2976edf 232 if (e == NULL && pkey != NULL)
d19b01ad 233 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 234 /* Try to find an ENGINE which implements this method */
235 if (e) {
236 if (!ENGINE_init(e)) {
9311d0c4 237 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
0f113f3e
MC		 238 return NULL;
239 }
c2976edf 240 } else {
0f113f3e 241 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 242 }
0f113f3e
MC		 243
244 /*
0d4fb843 245 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 246 * tables.
247 */
50914496 248 if (e != NULL)
0f113f3e 249 pmeth = ENGINE_get_pkey_meth(e, id);
50914496 250 else
e683582b 251# endif
0f113f3e 252 pmeth = EVP_PKEY_meth_find(id);
c9777d26 253
d0ea49a8 254 /* END legacy */
f844f9eb 255#endif /* FIPS_MODULE */
d0ea49a8 256 common:
4b9e90f4
RL		 257 /*
258 * If there's no engine and there's a name, we try fetching a provider
259 * implementation.
260 */
5fcb97c6 261 if (e == NULL && keytype != NULL) {
4b9e90f4 262 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
d0b79f86 263 if (keymgmt == NULL)
50914496
RL		 264 return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
265
266#ifndef FIPS_MODULE
267 /*
268 * Chase down the legacy NID, as that might be needed for diverse
269 * purposes, such as ensure that EVP_PKEY_type() can return sensible
270 * values, or that there's a better chance to "downgrade" a key when
271 * needed. We go through all keymgmt names, because the keytype
272 * that's passed to this function doesn't necessarily translate
273 * directly.
274 * TODO: Remove this when #legacy keys are gone.
275 */
276 if (keymgmt != NULL) {
277 int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
278
279 if (tmp_id != NID_undef) {
280 if (id == -1) {
281 id = tmp_id;
282 } else {
283 /*
284 * It really really shouldn't differ. If it still does,
285 * something is very wrong.
286 */
287 if (!ossl_assert(id == tmp_id)) {
9311d0c4 288 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
50914496
RL		 289 EVP_KEYMGMT_free(keymgmt);
290 return NULL;
291 }
292 }
293 }
b533510f 294 }
50914496
RL		 295#endif
296 }
297
298 if (pmeth == NULL && keymgmt == NULL) {
9311d0c4 299 ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
50914496
RL		 300 } else {
301 ret = OPENSSL_zalloc(sizeof(*ret));
302 if (ret == NULL)
9311d0c4 303 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
5fcb97c6 304 }
4b9e90f4 305
f844f9eb 306#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
50914496 307 if ((ret == NULL || pmeth == NULL) && e != NULL)
7c96dbcd 308 ENGINE_finish(e);
a63bf2c5 309#endif
50914496
RL		 310
311 if (ret == NULL) {
312 EVP_KEYMGMT_free(keymgmt);
0f113f3e
MC		 313 return NULL;
314 }
ddfd7182
SL		 315 if (propquery != NULL) {
316 ret->propquery = OPENSSL_strdup(propquery);
317 if (ret->propquery == NULL) {
318 EVP_KEYMGMT_free(keymgmt);
319 return NULL;
320 }
321 }
3ee348b0 322 ret->libctx = libctx;
4b9e90f4
RL		 323 ret->keytype = keytype;
324 ret->keymgmt = keymgmt;
50914496 325 ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */
0f113f3e
MC		 326 ret->engine = e;
327 ret->pmeth = pmeth;
328 ret->operation = EVP_PKEY_OP_UNDEFINED;
329 ret->pkey = pkey;
a6465b3f 330 if (pkey != NULL)
03273d61 331 EVP_PKEY_up_ref(pkey);
0f113f3e 332
8b84b075 333 if (pmeth != NULL && pmeth->init != NULL) {
0f113f3e 334 if (pmeth->init(ret) <= 0) {
83b4049a 335 ret->pmeth = NULL;
0f113f3e
MC		 336 EVP_PKEY_CTX_free(ret);
337 return NULL;
338 }
339 }
340
341 return ret;
342}
343
f844f9eb 344/*- All methods below can also be used in FIPS_MODULE */
e683582b 345
b4250010 346EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
e683582b
SL		 347 const char *name,
348 const char *propquery)
349{
350 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
351}
352
b4250010 353EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey,
2ee4a50a 354 const char *propquery)
e683582b 355{
2ee4a50a 356 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
e683582b
SL		 357}
358
864b89ce
MC		 359void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
360{
e683582b 361 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
864b89ce
MC		 362 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
363 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
364 EVP_SIGNATURE_free(ctx->op.sig.signature);
fb1ecf85
RL		 365 ctx->op.sig.sigprovctx = NULL;
366 ctx->op.sig.signature = NULL;
62f49b90 367 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
e683582b
SL		 368 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
369 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
370 EVP_KEYEXCH_free(ctx->op.kex.exchange);
371 ctx->op.kex.exchprovctx = NULL;
372 ctx->op.kex.exchange = NULL;
80f4fd18
SL		 373 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
374 if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL)
375 ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx);
376 EVP_KEM_free(ctx->op.encap.kem);
377 ctx->op.encap.kemprovctx = NULL;
378 ctx->op.encap.kem = NULL;
379 }
380 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
2c938e2e
MC		 381 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
382 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
383 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
384 ctx->op.ciph.ciphprovctx = NULL;
385 ctx->op.ciph.cipher = NULL;
62924755
RL		 386 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
387 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
388 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
864b89ce
MC		 389 }
390}
391
e683582b 392void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e 393{
e683582b
SL		 394 if (ctx == NULL)
395 return;
396 if (ctx->pmeth && ctx->pmeth->cleanup)
397 ctx->pmeth->cleanup(ctx);
b4faea50 398
e683582b 399 evp_pkey_ctx_free_old_ops(ctx);
86df26b3
RL		 400#ifndef FIPS_MODULE
401 evp_pkey_ctx_free_all_cached_data(ctx);
402#endif
e683582b 403 EVP_KEYMGMT_free(ctx->keymgmt);
0f113f3e 404
ddfd7182 405 OPENSSL_free(ctx->propquery);
e683582b
SL		 406 EVP_PKEY_free(ctx->pkey);
407 EVP_PKEY_free(ctx->peerkey);
f844f9eb 408#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
e683582b
SL		 409 ENGINE_finish(ctx->engine);
410#endif
3786d748 411 BN_free(ctx->rsa_pubexp);
e683582b 412 OPENSSL_free(ctx);
0f113f3e 413}
ba30bad5 414
f844f9eb 415#ifndef FIPS_MODULE
e683582b 416
f830c68f 417void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 418 const EVP_PKEY_METHOD *meth)
419{
420 if (ppkey_id)
421 *ppkey_id = meth->pkey_id;
422 if (pflags)
423 *pflags = meth->flags;
424}
f830c68f
DSH		 425
426void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 427{
4cbb196b
AT		 428 int pkey_id = dst->pkey_id;
429 int flags = dst->flags;
f830c68f 430
4cbb196b 431 *dst = *src;
f830c68f 432
4cbb196b
AT		 433 /* We only copy the function pointers so restore the other values */
434 dst->pkey_id = pkey_id;
435 dst->flags = flags;
0f113f3e 436}
f830c68f 437
ba30bad5 438void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 439{
440 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
441 OPENSSL_free(pmeth);
442}
ba30bad5 443
f5cda4cb 444EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e 445{
3ee348b0 446 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
0f113f3e 447}
f5cda4cb
DSH		 448
449EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e 450{
3ee348b0 451 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
a07c17ef
RL		 452}
453
9fdcc21f 454EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
0f113f3e
MC		 455{
456 EVP_PKEY_CTX *rctx;
ff64702b
MC		 457
458 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
864b89ce
MC		 459 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
460 && pctx->op.kex.exchprovctx == NULL)
461 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
462 && pctx->op.sig.sigprovctx == NULL)))
0f113f3e 463 return NULL;
e683582b 464# ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 465 /* Make sure it's safe to copy a pkey context using an ENGINE */
466 if (pctx->engine && !ENGINE_init(pctx->engine)) {
9311d0c4 467 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
0f113f3e
MC		 468 return 0;
469 }
e683582b 470# endif
ff64702b 471 rctx = OPENSSL_zalloc(sizeof(*rctx));
3484236d 472 if (rctx == NULL) {
9311d0c4 473 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 474 return NULL;
3484236d 475 }
8bdcef40 476
ff64702b
MC		 477 if (pctx->pkey != NULL)
478 EVP_PKEY_up_ref(pctx->pkey);
479 rctx->pkey = pctx->pkey;
480 rctx->operation = pctx->operation;
3ee348b0 481 rctx->libctx = pctx->libctx;
f23bc0b7 482 rctx->keytype = pctx->keytype;
ddfd7182
SL		 483 rctx->propquery = NULL;
484 if (pctx->propquery != NULL) {
485 rctx->propquery = OPENSSL_strdup(pctx->propquery);
486 if (rctx->propquery == NULL) {
487 OPENSSL_free(rctx);
488 return NULL;
489 }
490 }
ac7750bb 491 rctx->legacy_keytype = pctx->legacy_keytype;
ff64702b 492
864b89ce
MC		 493 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
494 if (pctx->op.kex.exchange != NULL) {
495 rctx->op.kex.exchange = pctx->op.kex.exchange;
ac7750bb
SL		 496 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange))
497 goto end;
ff64702b 498 }
864b89ce
MC		 499 if (pctx->op.kex.exchprovctx != NULL) {
500 if (!ossl_assert(pctx->op.kex.exchange != NULL))
ac7750bb 501 goto end;
864b89ce
MC		 502 rctx->op.kex.exchprovctx
503 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
504 if (rctx->op.kex.exchprovctx == NULL) {
505 EVP_KEYEXCH_free(rctx->op.kex.exchange);
ac7750bb 506 goto end;
864b89ce
MC		 507 }
508 return rctx;
509 }
510 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
511 if (pctx->op.sig.signature != NULL) {
512 rctx->op.sig.signature = pctx->op.sig.signature;
ac7750bb
SL		 513 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature))
514 goto end;
864b89ce
MC		 515 }
516 if (pctx->op.sig.sigprovctx != NULL) {
517 if (!ossl_assert(pctx->op.sig.signature != NULL))
ac7750bb 518 goto end;
864b89ce
MC		 519 rctx->op.sig.sigprovctx
520 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
521 if (rctx->op.sig.sigprovctx == NULL) {
522 EVP_SIGNATURE_free(rctx->op.sig.signature);
ac7750bb 523 goto end;
864b89ce
MC		 524 }
525 return rctx;
ff64702b 526 }
2c938e2e
MC		 527 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
528 if (pctx->op.ciph.cipher != NULL) {
529 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
ac7750bb
SL		 530 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher))
531 goto end;
2c938e2e
MC		 532 }
533 if (pctx->op.ciph.ciphprovctx != NULL) {
534 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
ac7750bb 535 goto end;
2c938e2e
MC		 536 rctx->op.ciph.ciphprovctx
537 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
538 if (rctx->op.ciph.ciphprovctx == NULL) {
539 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
ac7750bb 540 goto end;
2c938e2e
MC		 541 }
542 return rctx;
543 }
80f4fd18
SL		 544 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
545 if (pctx->op.encap.kem != NULL) {
546 rctx->op.encap.kem = pctx->op.encap.kem;
ac7750bb
SL		 547 if (!EVP_KEM_up_ref(rctx->op.encap.kem))
548 goto end;
80f4fd18
SL		 549 }
550 if (pctx->op.encap.kemprovctx != NULL) {
551 if (!ossl_assert(pctx->op.encap.kem != NULL))
ac7750bb 552 goto end;
80f4fd18
SL		 553 rctx->op.encap.kemprovctx
554 = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx);
555 if (rctx->op.encap.kemprovctx == NULL) {
556 EVP_KEM_free(rctx->op.encap.kem);
ac7750bb 557 goto end;
80f4fd18
SL		 558 }
559 return rctx;
560 }
ac7750bb
SL		 561 } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) {
562 /* Not supported - This would need a gen_dupctx() to work */
563 goto end;
ff64702b
MC		 564 }
565
0f113f3e 566 rctx->pmeth = pctx->pmeth;
e683582b 567# ifndef OPENSSL_NO_ENGINE
0f113f3e 568 rctx->engine = pctx->engine;
e683582b 569# endif
8bdcef40 570
ac7750bb 571 if (pctx->peerkey != NULL)
03273d61 572 EVP_PKEY_up_ref(pctx->peerkey);
0f113f3e 573 rctx->peerkey = pctx->peerkey;
8bdcef40 574
ac7750bb
SL		 575 if (pctx->pmeth == NULL) {
576 if (rctx->operation == EVP_PKEY_OP_UNDEFINED) {
577 EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt;
578 void *provkey;
579
580 provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx,
581 &tmp_keymgmt, pctx->propquery);
582 if (provkey == NULL)
583 goto err;
584 if (!EVP_KEYMGMT_up_ref(tmp_keymgmt))
585 goto err;
586 EVP_KEYMGMT_free(rctx->keymgmt);
587 rctx->keymgmt = tmp_keymgmt;
588 return rctx;
589 }
590 goto err;
591 }
0f113f3e
MC		 592 if (pctx->pmeth->copy(rctx, pctx) > 0)
593 return rctx;
ac7750bb 594err:
83b4049a 595 rctx->pmeth = NULL;
0f113f3e
MC		 596 EVP_PKEY_CTX_free(rctx);
597 return NULL;
ac7750bb
SL		 598end:
599 OPENSSL_free(rctx);
600 return NULL;
0f113f3e 601}
8bdcef40 602
ba30bad5 603int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 604{
605 if (app_pkey_methods == NULL) {
606 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
3484236d 607 if (app_pkey_methods == NULL){
9311d0c4 608 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 609 return 0;
3484236d 610 }
0f113f3e 611 }
3484236d 612 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
9311d0c4 613 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 614 return 0;
3484236d 615 }
0f113f3e
MC		 616 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
617 return 1;
618}
ba30bad5 619
0822e89a
PY		 620void evp_app_cleanup_int(void)
621{
622 if (app_pkey_methods != NULL)
623 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
624}
625
626int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
627{
628 const EVP_PKEY_METHOD *ret;
629
630 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
631
632 return ret == NULL ? 0 : 1;
633}
634
48ed9c23
DSH		 635size_t EVP_PKEY_meth_get_count(void)
636{
637 size_t rv = OSSL_NELEM(standard_methods);
638
639 if (app_pkey_methods)
640 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
641 return rv;
642}
643
644const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
645{
646 if (idx < OSSL_NELEM(standard_methods))
19bd1fa1 647 return (standard_methods[idx])();
48ed9c23
DSH		 648 if (app_pkey_methods == NULL)
649 return NULL;
650 idx -= OSSL_NELEM(standard_methods);
651 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
652 return NULL;
653 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
654}
e683582b 655#endif
48ed9c23 656
e683582b 657int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
0f113f3e 658{
e683582b
SL		 659 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
660 && ctx->op.kex.exchprovctx != NULL
661 && ctx->op.kex.exchange != NULL
662 && ctx->op.kex.exchange->set_ctx_params != NULL)
663 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
664 params);
665 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
666 && ctx->op.sig.sigprovctx != NULL
667 && ctx->op.sig.signature != NULL
668 && ctx->op.sig.signature->set_ctx_params != NULL)
669 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
670 params);
671 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
672 && ctx->op.ciph.ciphprovctx != NULL
673 && ctx->op.ciph.cipher != NULL
674 && ctx->op.ciph.cipher->set_ctx_params != NULL)
675 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
676 params);
62924755
RL		 677 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
678 && ctx->op.keymgmt.genctx != NULL
679 && ctx->keymgmt != NULL
680 && ctx->keymgmt->gen_set_params != NULL)
681 return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
682 params);
80f4fd18
SL		 683 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
684 && ctx->op.encap.kemprovctx != NULL
685 && ctx->op.encap.kem != NULL
686 && ctx->op.encap.kem->set_ctx_params != NULL)
687 return ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx,
688 params);
e683582b 689 return 0;
0f113f3e 690}
5da98aa6 691
9c45222d
MC		 692int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
693{
4fe54d67
NT		 694 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
695 && ctx->op.kex.exchprovctx != NULL
696 && ctx->op.kex.exchange != NULL
697 && ctx->op.kex.exchange->get_ctx_params != NULL)
698 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
699 params);
864b89ce
MC		 700 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
701 && ctx->op.sig.sigprovctx != NULL
702 && ctx->op.sig.signature != NULL
703 && ctx->op.sig.signature->get_ctx_params != NULL)
704 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
705 params);
2c938e2e
MC		 706 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
707 && ctx->op.ciph.ciphprovctx != NULL
708 && ctx->op.ciph.cipher != NULL
709 && ctx->op.ciph.cipher->get_ctx_params != NULL)
710 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
711 params);
80f4fd18
SL		 712 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
713 && ctx->op.encap.kemprovctx != NULL
714 && ctx->op.encap.kem != NULL
715 && ctx->op.encap.kem->get_ctx_params != NULL)
716 return ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx,
717 params);
9c45222d
MC		 718 return 0;
719}
720
11a1b341 721#ifndef FIPS_MODULE
9c45222d
MC		 722const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
723{
18ec26ba
P		 724 void *provctx;
725
4fe54d67
NT		 726 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
727 && ctx->op.kex.exchange != NULL
18ec26ba
P		 728 && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
729 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
730 return ctx->op.kex.exchange->gettable_ctx_params(provctx);
731 }
864b89ce
MC		 732 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
733 && ctx->op.sig.signature != NULL
18ec26ba
P		 734 && ctx->op.sig.signature->gettable_ctx_params != NULL) {
735 provctx = ossl_provider_ctx(
736 EVP_SIGNATURE_provider(ctx->op.sig.signature));
737 return ctx->op.sig.signature->gettable_ctx_params(provctx);
738 }
2c938e2e
MC		 739 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
740 && ctx->op.ciph.cipher != NULL
18ec26ba
P		 741 && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
742 provctx = ossl_provider_ctx(
743 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
744 return ctx->op.ciph.cipher->gettable_ctx_params(provctx);
745 }
80f4fd18
SL		 746 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
747 && ctx->op.encap.kem != NULL
748 && ctx->op.encap.kem->gettable_ctx_params != NULL) {
749 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
750 return ctx->op.encap.kem->gettable_ctx_params(provctx);
751 }
9c45222d
MC		 752 return NULL;
753}
754
9c45222d
MC		 755const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
756{
18ec26ba
P		 757 void *provctx;
758
864b89ce
MC		 759 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
760 && ctx->op.kex.exchange != NULL
18ec26ba
P		 761 && ctx->op.kex.exchange->settable_ctx_params != NULL) {
762 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
763 return ctx->op.kex.exchange->settable_ctx_params(provctx);
764 }
864b89ce
MC		 765 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
766 && ctx->op.sig.signature != NULL
18ec26ba
P		 767 && ctx->op.sig.signature->settable_ctx_params != NULL) {
768 provctx = ossl_provider_ctx(
769 EVP_SIGNATURE_provider(ctx->op.sig.signature));
770 return ctx->op.sig.signature->settable_ctx_params(provctx);
771 }
2c938e2e
MC		 772 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
773 && ctx->op.ciph.cipher != NULL
18ec26ba
P		 774 && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
775 provctx = ossl_provider_ctx(
776 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
777 return ctx->op.ciph.cipher->settable_ctx_params(provctx);
778 }
62924755 779 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
5e77b79a 780 && ctx->keymgmt != NULL)
e3efe7a5 781 return EVP_KEYMGMT_gen_settable_params(ctx->keymgmt);
80f4fd18
SL		 782 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
783 && ctx->op.encap.kem != NULL
784 && ctx->op.encap.kem->settable_ctx_params != NULL) {
785 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
786 return ctx->op.encap.kem->settable_ctx_params(provctx);
787 }
9c45222d
MC		 788 return NULL;
789}
790
4fe54d67
NT		 791/*
792 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
793 *
794 * Return 1 on success, 0 or negative for errors.
795 *
796 * In particular they return -2 if any of the params is not supported.
797 *
f844f9eb 798 * They are not available in FIPS_MODULE as they depend on
4fe54d67
NT		 799 * - EVP_PKEY_CTX_{get,set}_params()
800 * - EVP_PKEY_CTX_{gettable,settable}_params()
801 *
802 */
803int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
804{
805 const OSSL_PARAM *p;
806
807 if (ctx == NULL || params == NULL)
808 return 0;
809
810 for (p = params; p->key != NULL; p++) {
811 /* Check the ctx actually understands this parameter */
812 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
813 p->key) == NULL )
814 return -2;
815 }
816
817 return EVP_PKEY_CTX_set_params(ctx, params);
818}
819
820int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
821{
822 const OSSL_PARAM *p;
823
824 if (ctx == NULL || params == NULL)
825 return 0;
826
827 for (p = params; p->key != NULL; p++ ) {
828 /* Check the ctx actually understands this parameter */
829 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
830 p->key) == NULL )
831 return -2;
832 }
833
834 return EVP_PKEY_CTX_get_params(ctx, params);
835}
836
9c45222d
MC		 837int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
838{
ac2d58c7 839 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
9c45222d
MC		 840 /* 80 should be big enough */
841 char name[80] = "";
842 const EVP_MD *tmp;
843
864b89ce 844 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
9c45222d
MC		 845 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
846 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
847 return -2;
848 }
849
850 /* TODO(3.0): Remove this eventually when no more legacy */
864b89ce 851 if (ctx->op.sig.sigprovctx == NULL)
9c45222d
MC		 852 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
853 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
854
855 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
856 name,
857 sizeof(name));
ac2d58c7 858 *p = OSSL_PARAM_construct_end();
9c45222d
MC		 859
860 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
861 return 0;
862
7606bed9 863 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
9c45222d
MC		 864 if (tmp == NULL)
865 return 0;
866
867 *md = tmp;
868
869 return 1;
870}
871
05d2f72e
MC		 872static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
873 int fallback, const char *param, int op,
874 int ctrl)
4889dadc 875{
05d2f72e 876 OSSL_PARAM md_params[2], *p = md_params;
4889dadc
MC		 877 const char *name;
878
05d2f72e 879 if (ctx == NULL || (ctx->operation & op) == 0) {
9c45222d
MC		 880 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
881 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
882 return -2;
883 }
884
4889dadc 885 /* TODO(3.0): Remove this eventually when no more legacy */
05d2f72e
MC		 886 if (fallback)
887 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
4889dadc 888
9c45222d
MC		 889 if (md == NULL) {
890 name = "";
9c45222d 891 } else {
9c45222d
MC		 892 name = EVP_MD_name(md);
893 }
4889dadc 894
05d2f72e 895 *p++ = OSSL_PARAM_construct_utf8_string(param,
9c45222d
MC		 896 /*
897 * Cast away the const. This is read
898 * only so should be safe
899 */
8b6ffd40 900 (char *)name, 0);
ac2d58c7 901 *p = OSSL_PARAM_construct_end();
4889dadc 902
05d2f72e
MC		 903 return EVP_PKEY_CTX_set_params(ctx, md_params);
904}
905
906int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
907{
908 return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL,
909 OSSL_SIGNATURE_PARAM_DIGEST,
910 EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
4889dadc
MC		 911}
912
ac2d58c7
MC		 913int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
914{
05d2f72e
MC		 915 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
916 OSSL_KDF_PARAM_DIGEST,
917 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
918}
919
920static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
921 const char *param, int op, int ctrl,
922 const unsigned char *data,
923 int datalen)
924{
925 OSSL_PARAM octet_string_params[2], *p = octet_string_params;
ac2d58c7 926
5d51925a 927 if (ctx == NULL || (ctx->operation & op) == 0) {
ac2d58c7
MC		 928 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
929 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
930 return -2;
931 }
932
933 /* TODO(3.0): Remove this eventually when no more legacy */
05d2f72e
MC		 934 if (fallback)
935 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
ac2d58c7 936
05d2f72e
MC		 937 if (datalen < 0) {
938 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
939 return 0;
ac2d58c7
MC		 940 }
941
05d2f72e 942 *p++ = OSSL_PARAM_construct_octet_string(param,
ac2d58c7
MC		 943 /*
944 * Cast away the const. This is read
945 * only so should be safe
946 */
05d2f72e
MC		 947 (unsigned char *)data,
948 (size_t)datalen);
194de849 949 *p = OSSL_PARAM_construct_end();
ac2d58c7 950
05d2f72e 951 return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
ac2d58c7
MC		 952}
953
954int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
955 const unsigned char *sec, int seclen)
956{
05d2f72e
MC		 957 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
958 OSSL_KDF_PARAM_SECRET,
959 EVP_PKEY_OP_DERIVE,
960 EVP_PKEY_CTRL_TLS_SECRET,
961 sec, seclen);
962}
ac2d58c7 963
05d2f72e
MC		 964int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
965 const unsigned char *seed, int seedlen)
966{
967 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
968 OSSL_KDF_PARAM_SEED,
969 EVP_PKEY_OP_DERIVE,
970 EVP_PKEY_CTRL_TLS_SEED,
971 seed, seedlen);
972}
ac2d58c7 973
05d2f72e
MC		 974int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
975{
976 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
977 OSSL_KDF_PARAM_DIGEST,
978 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
979}
ac2d58c7 980
05d2f72e
MC		 981int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
982 const unsigned char *salt, int saltlen)
983{
984 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
985 OSSL_KDF_PARAM_SALT,
986 EVP_PKEY_OP_DERIVE,
987 EVP_PKEY_CTRL_HKDF_SALT,
988 salt, saltlen);
989}
ac2d58c7 990
05d2f72e
MC		 991int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
992 const unsigned char *key, int keylen)
993{
994 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
995 OSSL_KDF_PARAM_KEY,
996 EVP_PKEY_OP_DERIVE,
997 EVP_PKEY_CTRL_HKDF_KEY,
998 key, keylen);
999}
ac2d58c7 1000
05d2f72e
MC		 1001int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
1002 const unsigned char *info, int infolen)
1003{
1004 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1005 OSSL_KDF_PARAM_INFO,
1006 EVP_PKEY_OP_DERIVE,
1007 EVP_PKEY_CTRL_HKDF_INFO,
1008 info, infolen);
ac2d58c7
MC		 1009}
1010
05d2f72e 1011int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
ac2d58c7 1012{
05d2f72e 1013 OSSL_PARAM int_params[2], *p = int_params;
ac2d58c7
MC		 1014
1015 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1016 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1017 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1018 return -2;
1019 }
1020
1021 /* TODO(3.0): Remove this eventually when no more legacy */
1022 if (ctx->op.kex.exchprovctx == NULL)
1023 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
05d2f72e
MC		 1024 EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
1025
ac2d58c7 1026
05d2f72e
MC		 1027 if (mode < 0) {
1028 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
ac2d58c7
MC		 1029 return 0;
1030 }
1031
05d2f72e 1032 *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
194de849 1033 *p = OSSL_PARAM_construct_end();
ac2d58c7 1034
05d2f72e 1035 return EVP_PKEY_CTX_set_params(ctx, int_params);
ac2d58c7
MC		 1036}
1037
194de849
MC		 1038int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
1039 int passlen)
1040{
1041 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1042 OSSL_KDF_PARAM_PASSWORD,
1043 EVP_PKEY_OP_DERIVE,
1044 EVP_PKEY_CTRL_PASS,
1045 (const unsigned char *)pass, passlen);
1046}
1047
1048int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
1049 const unsigned char *salt, int saltlen)
1050{
1051 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1052 OSSL_KDF_PARAM_SALT,
1053 EVP_PKEY_OP_DERIVE,
1054 EVP_PKEY_CTRL_SCRYPT_SALT,
1055 salt, saltlen);
1056}
1057
1058static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
1059 int op, int ctrl, uint64_t val)
1060{
1061 OSSL_PARAM uint64_params[2], *p = uint64_params;
1062
1063 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1064 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1065 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1066 return -2;
1067 }
1068
1069 /* TODO(3.0): Remove this eventually when no more legacy */
1070 if (ctx->op.kex.exchprovctx == NULL)
1071 return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
1072
1073 *p++ = OSSL_PARAM_construct_uint64(param, &val);
1074 *p = OSSL_PARAM_construct_end();
1075
1076 return EVP_PKEY_CTX_set_params(ctx, uint64_params);
1077}
1078
1079int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
1080{
1081 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
1082 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
1083 n);
1084}
1085
1086int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
1087{
1088 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
1089 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
1090 r);
1091}
1092
1093int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
1094{
1095 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
1096 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
1097 p);
1098}
1099
1100int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
1101 uint64_t maxmem_bytes)
1102{
1103 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
1104 EVP_PKEY_OP_DERIVE,
1105 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
1106 maxmem_bytes);
1107}
1108
5d51925a
MC		 1109int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
1110 int keylen)
1111{
1112 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
1113 OSSL_PKEY_PARAM_PRIV_KEY,
1114 EVP_PKEY_OP_KEYGEN,
1115 EVP_PKEY_CTRL_SET_MAC_KEY,
1116 key, keylen);
1117}
1118
80f4fd18
SL		 1119int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
1120{
1121 OSSL_PARAM params[2], *p = params;
1122
1123 if (ctx == NULL || op == NULL) {
1124 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1125 return 0;
1126 }
1127 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
1128 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1129 return -2;
1130 }
1131 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
1132 (char *)op, 0);
1133 *p = OSSL_PARAM_construct_end();
1134 return EVP_PKEY_CTX_set_params(ctx, params);
1135}
1136
8d6481f5
RL		 1137int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
1138{
1139 OSSL_PARAM params[2], *p = params;
1140 int ret;
1141
1142 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1143 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1144 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1145 return -2;
1146 }
1147
1148 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
1149 /*
1150 * Cast away the const. This is
1151 * read only so should be safe
1152 */
1153 (void *)id, (size_t)len);
1154 *p++ = OSSL_PARAM_construct_end();
1155
1156 ret = evp_pkey_ctx_set_params_strict(ctx, params);
1157 if (ret == -2)
1158 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1159 return ret;
1160}
1161
1162int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
1163{
1164 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1165 EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
1166}
1167
1168static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
1169{
1170 int ret;
1171 void *tmp_id = NULL;
1172 OSSL_PARAM params[2], *p = params;
1173
1174 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1175 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1176 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1177 return -2;
1178 }
1179
1180 *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
1181 &tmp_id, 0);
1182 *p++ = OSSL_PARAM_construct_end();
1183
1184 ret = evp_pkey_ctx_get_params_strict(ctx, params);
1185 if (ret == -2) {
1186 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1187 } else if (ret > 0) {
1188 size_t tmp_id_len = params[0].return_size;
1189
1190 if (id != NULL)
1191 memcpy(id, tmp_id, tmp_id_len);
1192 if (id_len != NULL)
1193 *id_len = tmp_id_len;
1194 }
1195 return ret;
1196}
1197
1198int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
1199{
1200 return get1_id_data(ctx, id, NULL);
1201}
1202
1203int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
1204{
1205 return get1_id_data(ctx, NULL, id_len);
1206}
1207
1208int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
1209{
1210 return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
1211}
1212
1213int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
1214{
1215 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1216 EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
1217}
1218
35aca9ec
MC		 1219static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
1220 int cmd, int p1, void *p2)
1221{
86df26b3
RL		 1222 switch (cmd) {
1223 case EVP_PKEY_CTRL_SET1_ID:
1224 return evp_pkey_ctx_set1_id_prov(ctx, p2, p1);
1225 case EVP_PKEY_CTRL_GET1_ID:
1226 return evp_pkey_ctx_get1_id_prov(ctx, p2);
1227 case EVP_PKEY_CTRL_GET1_ID_LEN:
1228 return evp_pkey_ctx_get1_id_len_prov(ctx, p2);
1229 }
1230
116d2510
SL		 1231 if (keytype == EVP_PKEY_DHX) {
1232 switch (cmd) {
1233 case EVP_PKEY_CTRL_DH_KDF_TYPE:
1234 return EVP_PKEY_CTX_set_dh_kdf_type(ctx, p1);
1235 case EVP_PKEY_CTRL_DH_KDF_MD:
1236 return EVP_PKEY_CTX_set_dh_kdf_md(ctx, p2);
1237 case EVP_PKEY_CTRL_DH_KDF_OUTLEN:
1238 return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx, p1);
1239 case EVP_PKEY_CTRL_DH_KDF_UKM:
1240 return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx, p2, p1);
1241 case EVP_PKEY_CTRL_DH_KDF_OID:
1242 return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx, p2);
1243 case EVP_PKEY_CTRL_GET_DH_KDF_MD:
1244 return EVP_PKEY_CTX_get_dh_kdf_md(ctx, p2);
1245 case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN:
1246 return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx, p2);
1247 case EVP_PKEY_CTRL_GET_DH_KDF_UKM:
1248 return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx, p2);
1249 case EVP_PKEY_CTRL_GET_DH_KDF_OID:
1250 return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx, p2);
1251 }
1252 }
4fe54d67
NT		 1253 if (keytype == EVP_PKEY_DH) {
1254 switch (cmd) {
1255 case EVP_PKEY_CTRL_DH_PAD:
1256 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
7165593c
SL		 1257 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
1258 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
1259 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
1260 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
1261 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
1262 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
1263 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
1264 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
1265 case EVP_PKEY_CTRL_DH_RFC5114:
1266 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
4fe54d67
NT		 1267 }
1268 }
b03ec3b5
SL		 1269 if (keytype == EVP_PKEY_DSA) {
1270 switch (cmd) {
1271 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
1272 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
1273 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
1274 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
1275 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
1276 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
1277 }
1278 }
4fe54d67
NT		 1279 if (keytype == EVP_PKEY_EC) {
1280 switch (cmd) {
7229a2f4
RL		 1281 case EVP_PKEY_CTRL_EC_PARAM_ENC:
1282 return evp_pkey_ctx_set_ec_param_enc_prov(ctx, p1);
10d756a7
RL		 1283 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
1284 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
6f4b7663
RL		 1285 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
1286 if (p1 == -2) {
1287 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
1288 } else if (p1 < -1 || p1 > 1) {
1289 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1290 return -2;
1291 } else {
1292 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
1293 }
1294 case EVP_PKEY_CTRL_EC_KDF_TYPE:
1295 if (p1 == -2) {
1296 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
1297 } else {
1298 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
1299 }
1300 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
1301 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
1302 case EVP_PKEY_CTRL_EC_KDF_MD:
1303 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
1304 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
1305 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
1306 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
1307 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
1308 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
1309 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
1310 case EVP_PKEY_CTRL_EC_KDF_UKM:
1311 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
4fe54d67
NT		 1312 }
1313 }
2decdad3
RL		 1314 if (keytype == EVP_PKEY_RSA) {
1315 switch (cmd) {
1316 case EVP_PKEY_CTRL_RSA_OAEP_MD:
1317 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1318 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
1319 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
1320 case EVP_PKEY_CTRL_RSA_MGF1_MD:
1321 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1322 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
1323 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
1324 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
1325 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
1326 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
1327 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
1328 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
1329 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
1330 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
1331 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
1332 }
1333 }
1334 /*
1335 * keytype == -1 is used when several key types share the same structure,
1336 * or for generic controls that are the same across multiple key types.
1337 */
4fe54d67 1338 if (keytype == -1) {
ac2d58c7
MC		 1339 if (optype == EVP_PKEY_OP_DERIVE) {
1340 switch (cmd) {
05d2f72e 1341 /* TLS1-PRF */
ac2d58c7
MC		 1342 case EVP_PKEY_CTRL_TLS_MD:
1343 return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2);
1344 case EVP_PKEY_CTRL_TLS_SECRET:
1345 return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1);
1346 case EVP_PKEY_CTRL_TLS_SEED:
1347 return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1);
05d2f72e
MC		 1348
1349 /* HKDF */
1350 case EVP_PKEY_CTRL_HKDF_MD:
1351 return EVP_PKEY_CTX_set_hkdf_md(ctx, p2);
1352 case EVP_PKEY_CTRL_HKDF_SALT :
1353 return EVP_PKEY_CTX_set1_hkdf_salt(ctx, p2, p1);
1354 case EVP_PKEY_CTRL_HKDF_KEY:
1355 return EVP_PKEY_CTX_set1_hkdf_key(ctx, p2, p1);
1356 case EVP_PKEY_CTRL_HKDF_INFO:
1357 return EVP_PKEY_CTX_add1_hkdf_info(ctx, p2, p1);
1358 case EVP_PKEY_CTRL_HKDF_MODE:
1359 return EVP_PKEY_CTX_hkdf_mode(ctx, p1);
194de849
MC		 1360
1361 /* Scrypt */
1362 case EVP_PKEY_CTRL_PASS:
1363 return EVP_PKEY_CTX_set1_pbe_pass(ctx, p2, p1);
1364 case EVP_PKEY_CTRL_SCRYPT_SALT:
1365 return EVP_PKEY_CTX_set1_scrypt_salt(ctx, p2, p1);
1366 case EVP_PKEY_CTRL_SCRYPT_N:
1367 return EVP_PKEY_CTX_set_scrypt_N(ctx, p1);
1368 case EVP_PKEY_CTRL_SCRYPT_R:
1369 return EVP_PKEY_CTX_set_scrypt_r(ctx, p1);
1370 case EVP_PKEY_CTRL_SCRYPT_P:
1371 return EVP_PKEY_CTX_set_scrypt_p(ctx, p1);
1372 case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES:
1373 return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx, p1);
ac2d58c7 1374 }
a540ef90
MC		 1375 } else if (optype == EVP_PKEY_OP_KEYGEN) {
1376 OSSL_PARAM params[2], *p = params;
1377
1378 switch (cmd) {
1379 case EVP_PKEY_CTRL_CIPHER:
1380 {
1381 char *ciphname = (char *)EVP_CIPHER_name(p2);
1382
1383 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER,
1384 ciphname, 0);
1385 *p = OSSL_PARAM_construct_end();
1386
1387 return EVP_PKEY_CTX_set_params(ctx, params);
1388 }
1389 case EVP_PKEY_CTRL_SET_MAC_KEY:
1390 {
1391 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY,
1392 p2, p1);
1393 *p = OSSL_PARAM_construct_end();
1394
1395 return EVP_PKEY_CTX_set_params(ctx, params);
1396 }
1397 }
ac2d58c7 1398 }
4fe54d67 1399 switch (cmd) {
6f4b7663
RL		 1400 case EVP_PKEY_CTRL_MD:
1401 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
1402 case EVP_PKEY_CTRL_GET_MD:
1403 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
1404 case EVP_PKEY_CTRL_RSA_PADDING:
1405 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
1406 case EVP_PKEY_CTRL_GET_RSA_PADDING:
1407 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
6f4b7663
RL		 1408 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
1409 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
6f4b7663
RL		 1410 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
1411 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
1412 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
1413 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
1414 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
1415 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
e683582b 1416# ifndef OPENSSL_NO_CMS
6f4b7663
RL		 1417 case EVP_PKEY_CTRL_CMS_DECRYPT:
1418 case EVP_PKEY_CTRL_CMS_ENCRYPT:
e683582b 1419# endif
cc572c25
RL		 1420 /* TODO (3.0) Temporary hack, this should probe */
1421 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
6f4b7663
RL		 1422 return 1;
1423 ERR_raise(ERR_LIB_EVP,
1424 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
1425 return -2;
4fe54d67 1426 }
35aca9ec 1427 }
a540ef90
MC		 1428
1429 /*
1430 * GOST CMS format is different for different cipher algorithms.
1431 * Most of other algorithms don't have such a difference
1432 * so this ctrl is just ignored.
1433 */
1434 if (cmd == EVP_PKEY_CTRL_CIPHER)
1435 return -2;
1436
35aca9ec
MC		 1437 return 0;
1438}
1439
86df26b3
RL		 1440static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
1441 int cmd, int p1, void *p2)
0f113f3e 1442{
86df26b3 1443 int ret = 0;
4803717f 1444
86df26b3
RL		 1445 /*
1446 * If the method has a |digest_custom| function, we can relax the
1447 * operation type check, since this can be called before the operation
1448 * is initialized.
1449 */
1450 if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
1451 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
9311d0c4 1452 ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET);
86df26b3
RL		 1453 return -1;
1454 }
35aca9ec 1455
86df26b3 1456 if ((optype != -1) && !(ctx->operation & optype)) {
9311d0c4 1457 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
86df26b3
RL		 1458 return -1;
1459 }
0f113f3e 1460 }
0f113f3e 1461
86df26b3
RL		 1462 switch (evp_pkey_ctx_state(ctx)) {
1463 case EVP_PKEY_STATE_PROVIDER:
1464 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
1465 case EVP_PKEY_STATE_UNKNOWN:
1466 case EVP_PKEY_STATE_LEGACY:
1467 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
9311d0c4 1468 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3
RL		 1469 return -2;
1470 }
1471 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
1472 return -1;
4803717f 1473
86df26b3 1474 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
0f113f3e 1475
86df26b3 1476 if (ret == -2)
9311d0c4 1477 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3 1478 break;
0f113f3e 1479 }
86df26b3
RL		 1480 return ret;
1481}
0f113f3e 1482
86df26b3
RL		 1483int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1484 int cmd, int p1, void *p2)
1485{
1486 int ret = 0;
1487
d65ab22e 1488 if (ctx == NULL) {
9311d0c4 1489 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
d65ab22e
SL		 1490 return -2;
1491 }
86df26b3
RL		 1492 /* If unsupported, we don't want that reported here */
1493 ERR_set_mark();
1494 ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
1495 cmd, NULL, p2, p1);
1496 if (ret == -2) {
1497 ERR_pop_to_mark();
1498 } else {
1499 ERR_clear_last_mark();
1500 /*
1501 * If there was an error, there was an error.
1502 * If the operation isn't initialized yet, we also return, as
1503 * the saved values will be used then anyway.
1504 */
1505 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1506 return ret;
1507 }
86df26b3 1508 return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
0f113f3e 1509}
0b6f3c66 1510
cefa762e 1511int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 1512 int cmd, uint64_t value)
cefa762e
JB		 1513{
1514 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
1515}
1516
35aca9ec
MC		 1517static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
1518 const char *value)
1519{
ac2d58c7
MC		 1520 if (strcmp(name, "md") == 0)
1521 name = OSSL_ALG_PARAM_DIGEST;
1522 else if (strcmp(name, "rsa_padding_mode") == 0)
972fa318
RL		 1523 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1524 else if (strcmp(name, "rsa_mgf1_md") == 0)
1525 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1526 else if (strcmp(name, "rsa_oaep_md") == 0)
1527 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1528 else if (strcmp(name, "rsa_oaep_label") == 0)
1529 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
6f4b7663
RL		 1530 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1531 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
2972af10
RL		 1532 else if (strcmp(name, "rsa_keygen_bits") == 0)
1533 name = OSSL_PKEY_PARAM_RSA_BITS;
1534 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1535 name = OSSL_PKEY_PARAM_RSA_E;
1536 else if (strcmp(name, "rsa_keygen_primes") == 0)
1537 name = OSSL_PKEY_PARAM_RSA_PRIMES;
e25761b1
RL		 1538 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1539 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1540 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1541 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1542 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1543 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
b03ec3b5
SL		 1544 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1545 name = OSSL_PKEY_PARAM_FFC_PBITS;
1546 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1547 name = OSSL_PKEY_PARAM_FFC_QBITS;
1548 else if (strcmp(name, "dsa_paramgen_md") == 0)
1549 name = OSSL_PKEY_PARAM_FFC_DIGEST;
7165593c 1550 else if (strcmp(name, "dh_paramgen_generator") == 0)
b8086652 1551 name = OSSL_PKEY_PARAM_DH_GENERATOR;
7165593c
SL		 1552 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1553 name = OSSL_PKEY_PARAM_FFC_PBITS;
1554 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1555 name = OSSL_PKEY_PARAM_FFC_QBITS;
1556 else if (strcmp(name, "dh_paramgen_type") == 0) {
1557 name = OSSL_PKEY_PARAM_FFC_TYPE;
1558 value = dh_gen_type_id2name(atoi(value));
1559 } else if (strcmp(name, "dh_param") == 0)
023b188c 1560 name = OSSL_PKEY_PARAM_GROUP_NAME;
7165593c 1561 else if (strcmp(name, "dh_rfc5114") == 0) {
c829c23b
RL		 1562 int num = atoi(value);
1563
023b188c 1564 name = OSSL_PKEY_PARAM_GROUP_NAME;
c829c23b
RL		 1565 value =
1566 ossl_ffc_named_group_get_name(ossl_ffc_uid_to_dh_named_group(num));
7165593c 1567 } else if (strcmp(name, "dh_pad") == 0)
972fa318 1568 name = OSSL_EXCHANGE_PARAM_PAD;
10d756a7 1569 else if (strcmp(name, "ec_paramgen_curve") == 0)
11a1b341 1570 name = OSSL_PKEY_PARAM_GROUP_NAME;
4fe54d67
NT		 1571 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1572 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1573 else if (strcmp(name, "ecdh_kdf_md") == 0)
f552d900 1574 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
c0f39ded
SL		 1575 else if (strcmp(name, "ec_param_enc") == 0)
1576 name = OSSL_PKEY_PARAM_EC_ENCODING;
194de849
MC		 1577 else if (strcmp(name, "N") == 0)
1578 name = OSSL_KDF_PARAM_SCRYPT_N;
89abd1b6 1579
972fa318
RL		 1580 {
1581 /*
1582 * TODO(3.0) reduce the code above to only translate known legacy
1583 * string to the corresponding core name (see core_names.h), but
1584 * otherwise leave it to this code block to do the actual work.
1585 */
1586 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1587 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1588 int rv = 0;
292c8bdc 1589 int exists = 0;
89abd1b6 1590
972fa318 1591 if (!OSSL_PARAM_allocate_from_text(&params[0], settable, name, value,
292c8bdc
P		 1592 strlen(value), &exists)) {
1593 if (!exists) {
e25761b1
RL		 1594 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1595 "name=%s,value=%s", name, value);
292c8bdc
P		 1596 return -2;
1597 }
89abd1b6 1598 return 0;
292c8bdc 1599 }
972fa318
RL		 1600 if (EVP_PKEY_CTX_set_params(ctx, params))
1601 rv = 1;
1602 OPENSSL_free(params[0].data);
1603 return rv;
89abd1b6 1604 }
35aca9ec
MC		 1605}
1606
86df26b3
RL		 1607static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
1608 const char *name, const char *value)
0f113f3e 1609{
86df26b3
RL		 1610 int ret = 0;
1611
35aca9ec 1612 if (ctx == NULL) {
9311d0c4 1613 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
35aca9ec
MC		 1614 return -2;
1615 }
1616
86df26b3
RL		 1617 switch (evp_pkey_ctx_state(ctx)) {
1618 case EVP_PKEY_STATE_PROVIDER:
35aca9ec 1619 return legacy_ctrl_str_to_param(ctx, name, value);
86df26b3
RL		 1620 case EVP_PKEY_STATE_UNKNOWN:
1621 case EVP_PKEY_STATE_LEGACY:
1622 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
9311d0c4 1623 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3
RL		 1624 return -2;
1625 }
1626 if (strcmp(name, "digest") == 0)
b9689452
RL		 1627 ret = EVP_PKEY_CTX_md(ctx,
1628 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
86df26b3
RL		 1629 EVP_PKEY_CTRL_MD, value);
1630 else
1631 ret = ctx->pmeth->ctrl_str(ctx, name, value);
1632 break;
1633 }
35aca9ec 1634
86df26b3
RL		 1635 return ret;
1636}
1637
1638int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1639 const char *name, const char *value)
1640{
1641 int ret = 0;
1642
1643 /* If unsupported, we don't want that reported here */
1644 ERR_set_mark();
1645 ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
1646 name, value, strlen(value) + 1);
1647 if (ret == -2) {
1648 ERR_pop_to_mark();
1649 } else {
1650 ERR_clear_last_mark();
1651 /*
1652 * If there was an error, there was an error.
1653 * If the operation isn't initialized yet, we also return, as
1654 * the saved values will be used then anyway.
1655 */
1656 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1657 return ret;
1658 }
1659
1660 return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
1661}
1662
1663static int decode_cmd(int cmd, const char *name)
1664{
1665 if (cmd == -1) {
1666 /*
1667 * The consequence of the assertion not being true is that this
1668 * function will return -1, which will cause the calling functions
1669 * to signal that the command is unsupported... in non-debug mode.
1670 */
1671 if (ossl_assert(name != NULL))
1672 if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
1673 cmd = EVP_PKEY_CTRL_SET1_ID;
1674 }
1675
1676 return cmd;
1677}
1678
1679static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
1680 int keytype, int optype,
1681 int cmd, const char *name,
1682 const void *data, size_t data_len)
1683{
1684 if ((keytype != -1 && ctx->pmeth->pkey_id != keytype)
1685 || ((optype != -1) && !(ctx->operation & optype))) {
1686 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1687 return -1;
0f113f3e 1688 }
86df26b3
RL		 1689
1690 cmd = decode_cmd(cmd, name);
1691 switch (cmd) {
1692 case EVP_PKEY_CTRL_SET1_ID:
1693 evp_pkey_ctx_free_cached_data(ctx, cmd, name);
1694 if (name != NULL) {
1695 ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
1696 if (ctx->cached_parameters.dist_id_name == NULL) {
1697 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1698 return 0;
1699 }
1700 }
1701 if (data_len > 0) {
1702 ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
1703 if (ctx->cached_parameters.dist_id == NULL) {
1704 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1705 return 0;
1706 }
1707 }
1708 ctx->cached_parameters.dist_id_set = 1;
1709 ctx->cached_parameters.dist_id_len = data_len;
1710 return 1;
1711 }
1712
1713 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1714 return -2;
1715}
1716
1717static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
1718 int cmd, const char *name)
1719{
1720 cmd = decode_cmd(cmd, name);
1721 switch (cmd) {
1722 case EVP_PKEY_CTRL_SET1_ID:
1723 OPENSSL_free(ctx->cached_parameters.dist_id);
1724 OPENSSL_free(ctx->cached_parameters.dist_id_name);
1725 ctx->cached_parameters.dist_id = NULL;
1726 ctx->cached_parameters.dist_id_name = NULL;
1727 break;
1728 }
1729}
1730
1731static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
1732{
1733 evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
1734}
1735
1736int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
1737{
1738 int ret = 1;
1739
1740 if (ret && ctx->cached_parameters.dist_id_set) {
1741 const char *name = ctx->cached_parameters.dist_id_name;
1742 const void *val = ctx->cached_parameters.dist_id;
1743 size_t len = ctx->cached_parameters.dist_id_len;
1744
1745 if (name != NULL)
1746 ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
1747 else
1748 ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
1749 EVP_PKEY_CTRL_SET1_ID,
1750 (int)len, (void *)val);
1751 }
1752
1753 return ret;
0f113f3e 1754}
f5cda4cb 1755
b4250010 1756OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx)
0b3a4ef2
MC		 1757{
1758 return ctx->libctx;
1759}
1760
29000e43 1761const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx)
0b3a4ef2
MC		 1762{
1763 return ctx->propquery;
1764}
1765
99119000
DSH		 1766/* Utility functions to send a string of hex string to a ctrl */
1767
1768int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1769{
1770 size_t len;
1771
1772 len = strlen(str);
1773 if (len > INT_MAX)
1774 return -1;
1775 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1776}
1777
1778int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1779{
1780 unsigned char *bin;
1781 long binlen;
1782 int rv = -1;
1783
14f051a0 1784 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 1785 if (bin == NULL)
1786 return 0;
1787 if (binlen <= INT_MAX)
1788 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1789 OPENSSL_free(bin);
1790 return rv;
1791}
52ad523c 1792
410877ba
DSH		 1793/* Pass a message digest to a ctrl */
1794int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1795{
1796 const EVP_MD *m;
c82bafc5 1797
410877ba 1798 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
9311d0c4 1799 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST);
410877ba
DSH		 1800 return 0;
1801 }
1802 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1803}
99119000 1804
b28dea4e 1805int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1806{
1807 return ctx->operation;
1808}
b28dea4e
DSH		 1809
1810void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 1811{
1812 ctx->keygen_info = dat;
1813 ctx->keygen_info_count = datlen;
1814}
b28dea4e 1815
f5cda4cb 1816void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 1817{
1818 ctx->data = data;
1819}
f5cda4cb 1820
9fdcc21f 1821void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1822{
1823 return ctx->data;
1824}
f5cda4cb 1825
81cebb8b 1826EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1827{
1828 return ctx->pkey;
1829}
81cebb8b 1830
0e1dba93 1831EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1832{
1833 return ctx->peerkey;
1834}
1835
f5cda4cb 1836void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 1837{
1838 ctx->app_data = data;
1839}
f5cda4cb
DSH		 1840
1841void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1842{
1843 return ctx->app_data;
1844}
ba30bad5
DSH		 1845
1846void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1847 int (*init) (EVP_PKEY_CTX *ctx))
1848{
1849 pmeth->init = init;
1850}
8bdcef40
DSH		 1851
1852void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e 1853 int (*copy) (EVP_PKEY_CTX *dst,
9fdcc21f 1854 const EVP_PKEY_CTX *src))
0f113f3e
MC		 1855{
1856 pmeth->copy = copy;
1857}
ba30bad5
DSH		 1858
1859void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1860 void (*cleanup) (EVP_PKEY_CTX *ctx))
1861{
1862 pmeth->cleanup = cleanup;
1863}
ba30bad5
DSH		 1864
1865void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1866 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1867 int (*paramgen) (EVP_PKEY_CTX *ctx,
1868 EVP_PKEY *pkey))
1869{
1870 pmeth->paramgen_init = paramgen_init;
1871 pmeth->paramgen = paramgen;
1872}
ba30bad5
DSH		 1873
1874void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1875 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1876 int (*keygen) (EVP_PKEY_CTX *ctx,
1877 EVP_PKEY *pkey))
1878{
1879 pmeth->keygen_init = keygen_init;
1880 pmeth->keygen = keygen;
1881}
ba30bad5
DSH		 1882
1883void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1884 int (*sign_init) (EVP_PKEY_CTX *ctx),
1885 int (*sign) (EVP_PKEY_CTX *ctx,
1886 unsigned char *sig, size_t *siglen,
1887 const unsigned char *tbs,
1888 size_t tbslen))
1889{
1890 pmeth->sign_init = sign_init;
1891 pmeth->sign = sign;
1892}
ba30bad5
DSH		 1893
1894void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1895 int (*verify_init) (EVP_PKEY_CTX *ctx),
1896 int (*verify) (EVP_PKEY_CTX *ctx,
1897 const unsigned char *sig,
1898 size_t siglen,
1899 const unsigned char *tbs,
1900 size_t tbslen))
1901{
1902 pmeth->verify_init = verify_init;
1903 pmeth->verify = verify;
1904}
ba30bad5
DSH		 1905
1906void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1907 int (*verify_recover_init) (EVP_PKEY_CTX
1908 *ctx),
1909 int (*verify_recover) (EVP_PKEY_CTX
1910 *ctx,
1911 unsigned char
1912 *sig,
1913 size_t *siglen,
1914 const unsigned
1915 char *tbs,
1916 size_t tbslen))
1917{
1918 pmeth->verify_recover_init = verify_recover_init;
1919 pmeth->verify_recover = verify_recover;
1920}
ba30bad5
DSH		 1921
1922void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1923 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1924 EVP_MD_CTX *mctx),
1925 int (*signctx) (EVP_PKEY_CTX *ctx,
1926 unsigned char *sig,
1927 size_t *siglen,
1928 EVP_MD_CTX *mctx))
1929{
1930 pmeth->signctx_init = signctx_init;
1931 pmeth->signctx = signctx;
1932}
ba30bad5
DSH		 1933
1934void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1935 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1936 EVP_MD_CTX *mctx),
1937 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1938 const unsigned char *sig,
1939 int siglen,
1940 EVP_MD_CTX *mctx))
1941{
1942 pmeth->verifyctx_init = verifyctx_init;
1943 pmeth->verifyctx = verifyctx;
1944}
ba30bad5
DSH		 1945
1946void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1947 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1948 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1949 unsigned char *out,
1950 size_t *outlen,
1951 const unsigned char *in,
1952 size_t inlen))
1953{
1954 pmeth->encrypt_init = encrypt_init;
1955 pmeth->encrypt = encryptfn;
1956}
ba30bad5
DSH		 1957
1958void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1959 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1960 int (*decrypt) (EVP_PKEY_CTX *ctx,
1961 unsigned char *out,
1962 size_t *outlen,
1963 const unsigned char *in,
1964 size_t inlen))
1965{
1966 pmeth->decrypt_init = decrypt_init;
1967 pmeth->decrypt = decrypt;
1968}
ba30bad5
DSH		 1969
1970void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1971 int (*derive_init) (EVP_PKEY_CTX *ctx),
1972 int (*derive) (EVP_PKEY_CTX *ctx,
1973 unsigned char *key,
1974 size_t *keylen))
1975{
1976 pmeth->derive_init = derive_init;
1977 pmeth->derive = derive;
1978}
ba30bad5
DSH		 1979
1980void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1981 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1982 void *p2),
1983 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1984 const char *type,
1985 const char *value))
1986{
1987 pmeth->ctrl = ctrl;
1988 pmeth->ctrl_str = ctrl_str;
1989}
e7451ed1 1990
2555285f
AH		 1991void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1992 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1993 const unsigned char *tbs, size_t tbslen))
1994{
1995 pmeth->digestsign = digestsign;
1996}
1997
1998void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1999 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
2000 size_t siglen, const unsigned char *tbs,
2001 size_t tbslen))
2002{
2003 pmeth->digestverify = digestverify;
2004}
2005
2aee35d3
PY		 2006void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
2007 int (*check) (EVP_PKEY *pkey))
2008{
2009 pmeth->check = check;
2010}
2011
b0004708
PY		 2012void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
2013 int (*check) (EVP_PKEY *pkey))
2014{
2015 pmeth->public_check = check;
2016}
2017
2018void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
2019 int (*check) (EVP_PKEY *pkey))
2020{
2021 pmeth->param_check = check;
2022}
2023
0a8fdef7
PY		 2024void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
2025 int (*digest_custom) (EVP_PKEY_CTX *ctx,
2026 EVP_MD_CTX *mctx))
2027{
2028 pmeth->digest_custom = digest_custom;
2029}
2030
693be9a2 2031void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2032 int (**pinit) (EVP_PKEY_CTX *ctx))
2033{
2034 *pinit = pmeth->init;
2035}
2036
693be9a2 2037void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
e7451ed1 2038 int (**pcopy) (EVP_PKEY_CTX *dst,
9fdcc21f 2039 const EVP_PKEY_CTX *src))
e7451ed1
DSH		 2040{
2041 *pcopy = pmeth->copy;
2042}
2043
693be9a2 2044void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2045 void (**pcleanup) (EVP_PKEY_CTX *ctx))
2046{
2047 *pcleanup = pmeth->cleanup;
2048}
2049
693be9a2 2050void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2051 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
2052 int (**pparamgen) (EVP_PKEY_CTX *ctx,
2053 EVP_PKEY *pkey))
2054{
2055 if (pparamgen_init)
2056 *pparamgen_init = pmeth->paramgen_init;
2057 if (pparamgen)
2058 *pparamgen = pmeth->paramgen;
2059}
2060
693be9a2 2061void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2062 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
2063 int (**pkeygen) (EVP_PKEY_CTX *ctx,
2064 EVP_PKEY *pkey))
2065{
2066 if (pkeygen_init)
2067 *pkeygen_init = pmeth->keygen_init;
2068 if (pkeygen)
2069 *pkeygen = pmeth->keygen;
2070}
2071
693be9a2 2072void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2073 int (**psign_init) (EVP_PKEY_CTX *ctx),
2074 int (**psign) (EVP_PKEY_CTX *ctx,
2075 unsigned char *sig, size_t *siglen,
2076 const unsigned char *tbs,
2077 size_t tbslen))
2078{
2079 if (psign_init)
2080 *psign_init = pmeth->sign_init;
2081 if (psign)
2082 *psign = pmeth->sign;
2083}
2084
693be9a2 2085void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2086 int (**pverify_init) (EVP_PKEY_CTX *ctx),
2087 int (**pverify) (EVP_PKEY_CTX *ctx,
2088 const unsigned char *sig,
2089 size_t siglen,
2090 const unsigned char *tbs,
2091 size_t tbslen))
2092{
2093 if (pverify_init)
2094 *pverify_init = pmeth->verify_init;
2095 if (pverify)
2096 *pverify = pmeth->verify;
2097}
2098
693be9a2 2099void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2100 int (**pverify_recover_init) (EVP_PKEY_CTX
2101 *ctx),
2102 int (**pverify_recover) (EVP_PKEY_CTX
2103 *ctx,
2104 unsigned char
2105 *sig,
2106 size_t *siglen,
2107 const unsigned
2108 char *tbs,
2109 size_t tbslen))
2110{
2111 if (pverify_recover_init)
2112 *pverify_recover_init = pmeth->verify_recover_init;
2113 if (pverify_recover)
2114 *pverify_recover = pmeth->verify_recover;
2115}
2116
693be9a2 2117void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2118 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
2119 EVP_MD_CTX *mctx),
2120 int (**psignctx) (EVP_PKEY_CTX *ctx,
2121 unsigned char *sig,
2122 size_t *siglen,
2123 EVP_MD_CTX *mctx))
2124{
2125 if (psignctx_init)
2126 *psignctx_init = pmeth->signctx_init;
2127 if (psignctx)
2128 *psignctx = pmeth->signctx;
2129}
2130
693be9a2 2131void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2132 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
2133 EVP_MD_CTX *mctx),
2134 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
2135 const unsigned char *sig,
2136 int siglen,
2137 EVP_MD_CTX *mctx))
2138{
2139 if (pverifyctx_init)
2140 *pverifyctx_init = pmeth->verifyctx_init;
2141 if (pverifyctx)
2142 *pverifyctx = pmeth->verifyctx;
2143}
2144
693be9a2 2145void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2146 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
2147 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
2148 unsigned char *out,
2149 size_t *outlen,
2150 const unsigned char *in,
2151 size_t inlen))
2152{
2153 if (pencrypt_init)
2154 *pencrypt_init = pmeth->encrypt_init;
2155 if (pencryptfn)
2156 *pencryptfn = pmeth->encrypt;
2157}
2158
693be9a2 2159void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2160 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
2161 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
2162 unsigned char *out,
2163 size_t *outlen,
2164 const unsigned char *in,
2165 size_t inlen))
2166{
2167 if (pdecrypt_init)
2168 *pdecrypt_init = pmeth->decrypt_init;
2169 if (pdecrypt)
2170 *pdecrypt = pmeth->decrypt;
2171}
2172
693be9a2 2173void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2174 int (**pderive_init) (EVP_PKEY_CTX *ctx),
2175 int (**pderive) (EVP_PKEY_CTX *ctx,
2176 unsigned char *key,
2177 size_t *keylen))
2178{
2179 if (pderive_init)
2180 *pderive_init = pmeth->derive_init;
2181 if (pderive)
2182 *pderive = pmeth->derive;
2183}
2184
693be9a2 2185void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 2186 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
2187 void *p2),
2188 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
2189 const char *type,
2190 const char *value))
2191{
2192 if (pctrl)
2193 *pctrl = pmeth->ctrl;
2194 if (pctrl_str)
2195 *pctrl_str = pmeth->ctrl_str;
2196}
2aee35d3 2197
2555285f
AH		 2198void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
2199 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2200 const unsigned char *tbs, size_t tbslen))
2201{
2202 if (digestsign)
2203 *digestsign = pmeth->digestsign;
2204}
2205
2206void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
2207 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
2208 size_t siglen, const unsigned char *tbs,
2209 size_t tbslen))
2210{
2211 if (digestverify)
2212 *digestverify = pmeth->digestverify;
2213}
2214
693be9a2 2215void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2aee35d3
PY		 2216 int (**pcheck) (EVP_PKEY *pkey))
2217{
34f5c8b1 2218 if (pcheck != NULL)
2aee35d3
PY		 2219 *pcheck = pmeth->check;
2220}
b0004708 2221
693be9a2 2222void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 2223 int (**pcheck) (EVP_PKEY *pkey))
2224{
34f5c8b1 2225 if (pcheck != NULL)
b0004708
PY		 2226 *pcheck = pmeth->public_check;
2227}
2228
693be9a2 2229void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 2230 int (**pcheck) (EVP_PKEY *pkey))
2231{
34f5c8b1 2232 if (pcheck != NULL)
b0004708
PY		 2233 *pcheck = pmeth->param_check;
2234}
0a8fdef7
PY		 2235
2236void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
2237 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
2238 EVP_MD_CTX *mctx))
2239{
675f4cee 2240 if (pdigest_custom != NULL)
0a8fdef7
PY		 2241 *pdigest_custom = pmeth->digest_custom;
2242}
e683582b 2243
f844f9eb 2244#endif /* FIPS_MODULE */
A mirror of the official openssl repository