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Remove crypt32.lib from C++Builder configuration
[thirdparty/openssl.git] / crypto / evp / pmeth_lib.c
CommitLineData
0f113f3e 1/*
a28d06f3 2 * Copyright 2006-2021 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[] = {
23b2fc0b 52 ossl_rsa_pkey_method,
e683582b 53# ifndef OPENSSL_NO_DH
19dbb742 54 ossl_dh_pkey_method,
e683582b
SL		 55# endif
56# ifndef OPENSSL_NO_DSA
5af02212 57 ossl_dsa_pkey_method,
e683582b
SL		 58# endif
59# ifndef OPENSSL_NO_EC
32ab57cb 60 ossl_ec_pkey_method,
e683582b 61# endif
23b2fc0b 62 ossl_rsa_pss_pkey_method,
e683582b 63# ifndef OPENSSL_NO_DH
19dbb742 64 ossl_dhx_pkey_method,
e683582b 65# endif
e683582b 66# ifndef OPENSSL_NO_EC
32ab57cb
SL		 67 ossl_ecx25519_pkey_method,
68 ossl_ecx448_pkey_method,
e683582b 69# endif
e683582b 70# ifndef OPENSSL_NO_EC
32ab57cb
SL		 71 ossl_ed25519_pkey_method,
72 ossl_ed448_pkey_method,
e683582b 73# endif
0f113f3e 74};
0b6f3c66 75
19bd1fa1
PS		 76DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
77
78static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
79{
80 return ((*a)->pkey_id - ((**b)())->pkey_id);
81}
82
83IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
babb3798 84
0f113f3e
MC		 85static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
86 const EVP_PKEY_METHOD *const *b)
87{
88 return ((*a)->pkey_id - (*b)->pkey_id);
89}
0b6f3c66 90
60488d24 91static const EVP_PKEY_METHOD *evp_pkey_meth_find_added_by_application(int type)
0f113f3e 92{
60488d24 93 if (app_pkey_methods != NULL) {
0f113f3e 94 int idx;
60488d24
RL		 95 EVP_PKEY_METHOD tmp;
96
97 tmp.pkey_id = type;
0f113f3e
MC		 98 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
99 if (idx >= 0)
100 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
101 }
60488d24
RL		 102 return NULL;
103}
104
105const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
106{
107 pmeth_fn *ret;
108 EVP_PKEY_METHOD tmp;
109 const EVP_PKEY_METHOD *t;
110
111 if ((t = evp_pkey_meth_find_added_by_application(type)) != NULL)
112 return t;
113
114 tmp.pkey_id = type;
115 t = &tmp;
19bd1fa1 116 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
60488d24 117 OSSL_NELEM(standard_methods));
12a765a5 118 if (ret == NULL || *ret == NULL)
0f113f3e 119 return NULL;
19bd1fa1 120 return (**ret)();
0f113f3e 121}
0b6f3c66 122
e683582b
SL		 123EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
124{
125 EVP_PKEY_METHOD *pmeth;
126
127 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
128 if (pmeth == NULL) {
9311d0c4 129 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
e683582b
SL		 130 return NULL;
131 }
132
133 pmeth->pkey_id = id;
134 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
135 return pmeth;
136}
50914496 137
e19246dc
RL		 138static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
139 void *arg)
140{
141 int *type = arg;
142
143 if (*type == NID_undef)
144 *type = evp_pkey_name2type(keytype);
145}
86df26b3 146
e19246dc
RL		 147static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
148{
149 int type = NID_undef;
150
151 EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
152 &type);
153 return type;
154}
155#endif /* FIPS_MODULE */
156
157int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx)
86df26b3
RL		 158{
159 if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
160 return EVP_PKEY_STATE_UNKNOWN;
161
162 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
163 && ctx->op.kex.exchprovctx != NULL)
164 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
165 && ctx->op.sig.sigprovctx != NULL)
166 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
167 && ctx->op.ciph.ciphprovctx != NULL)
168 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
80f4fd18
SL		 169 && ctx->op.keymgmt.genctx != NULL)
170 || (EVP_PKEY_CTX_IS_KEM_OP(ctx)
171 && ctx->op.encap.kemprovctx != NULL))
86df26b3
RL		 172 return EVP_PKEY_STATE_PROVIDER;
173
174 return EVP_PKEY_STATE_LEGACY;
175}
176
b4250010 177static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx,
3ee348b0 178 EVP_PKEY *pkey, ENGINE *e,
4b9e90f4 179 const char *keytype, const char *propquery,
a07c17ef 180 int id)
e683582b 181
0f113f3e 182{
50914496 183 EVP_PKEY_CTX *ret = NULL;
d0ea49a8 184 const EVP_PKEY_METHOD *pmeth = NULL;
4b9e90f4 185 EVP_KEYMGMT *keymgmt = NULL;
d0ea49a8
RL		 186
187 /*
50914496 188 * If the given |pkey| is provided, we extract the keytype from its
5e5bc836 189 * keymgmt and skip over the legacy code.
982efd77 190 */
5e5bc836 191 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
982efd77
RL		 192 /* If we have an engine, something went wrong somewhere... */
193 if (!ossl_assert(e == NULL))
194 return NULL;
4b9e90f4 195 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
982efd77
RL		 196 goto common;
197 }
50914496 198
f844f9eb 199#ifndef FIPS_MODULE
0be6cf0c 200 /* Code below to be removed when legacy support is dropped. */
d0ea49a8 201 /* BEGIN legacy */
0f113f3e 202 if (id == -1) {
50914496
RL		 203 if (pkey != NULL)
204 id = pkey->type;
205 else if (keytype != NULL)
206 id = evp_pkey_name2type(keytype);
207 if (id == NID_undef)
208 id = -1;
0f113f3e 209 }
50914496
RL		 210 /* If no ID was found here, we can only resort to find a keymgmt */
211 if (id == -1)
212 goto common;
60653e5b
RL		 213
214 /*
215 * Here, we extract what information we can for the purpose of
216 * supporting usage with implementations from providers, to make
217 * for a smooth transition from legacy stuff to provider based stuff.
218 *
219 * If an engine is given, this is entirely legacy, and we should not
220 * pretend anything else, so we only set the name when no engine is
221 * given. If both are already given, someone made a mistake, and
222 * since that can only happen internally, it's safe to make an
223 * assertion.
224 */
4b9e90f4 225 if (!ossl_assert(e == NULL || keytype == NULL))
60653e5b
RL		 226 return NULL;
227 if (e == NULL)
4b9e90f4 228 keytype = OBJ_nid2sn(id);
60653e5b 229
e683582b 230# ifndef OPENSSL_NO_ENGINE
c2976edf 231 if (e == NULL && pkey != NULL)
d19b01ad 232 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
0f113f3e
MC		 233 /* Try to find an ENGINE which implements this method */
234 if (e) {
235 if (!ENGINE_init(e)) {
9311d0c4 236 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
0f113f3e
MC		 237 return NULL;
238 }
c2976edf 239 } else {
0f113f3e 240 e = ENGINE_get_pkey_meth_engine(id);
c2976edf 241 }
0f113f3e
MC		 242
243 /*
0d4fb843 244 * If an ENGINE handled this method look it up. Otherwise use internal
0f113f3e
MC		 245 * tables.
246 */
50914496 247 if (e != NULL)
0f113f3e 248 pmeth = ENGINE_get_pkey_meth(e, id);
50914496 249 else
e683582b 250# endif
60488d24 251 pmeth = evp_pkey_meth_find_added_by_application(id);
c9777d26 252
d0ea49a8 253 /* END legacy */
f844f9eb 254#endif /* FIPS_MODULE */
d0ea49a8 255 common:
4b9e90f4
RL		 256 /*
257 * If there's no engine and there's a name, we try fetching a provider
258 * implementation.
259 */
5fcb97c6 260 if (e == NULL && keytype != NULL) {
4b9e90f4 261 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
d0b79f86 262 if (keymgmt == NULL)
50914496
RL		 263 return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
264
265#ifndef FIPS_MODULE
266 /*
267 * Chase down the legacy NID, as that might be needed for diverse
268 * purposes, such as ensure that EVP_PKEY_type() can return sensible
b574c6a9 269 * values. We go through all keymgmt names, because the keytype
50914496
RL		 270 * that's passed to this function doesn't necessarily translate
271 * directly.
272 * TODO: Remove this when #legacy keys are gone.
273 */
274 if (keymgmt != NULL) {
275 int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
276
277 if (tmp_id != NID_undef) {
278 if (id == -1) {
279 id = tmp_id;
280 } else {
281 /*
282 * It really really shouldn't differ. If it still does,
283 * something is very wrong.
284 */
285 if (!ossl_assert(id == tmp_id)) {
9311d0c4 286 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
50914496
RL		 287 EVP_KEYMGMT_free(keymgmt);
288 return NULL;
289 }
290 }
291 }
b533510f 292 }
50914496
RL		 293#endif
294 }
295
296 if (pmeth == NULL && keymgmt == NULL) {
9311d0c4 297 ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
50914496
RL		 298 } else {
299 ret = OPENSSL_zalloc(sizeof(*ret));
300 if (ret == NULL)
9311d0c4 301 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
5fcb97c6 302 }
4b9e90f4 303
f844f9eb 304#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
50914496 305 if ((ret == NULL || pmeth == NULL) && e != NULL)
7c96dbcd 306 ENGINE_finish(e);
a63bf2c5 307#endif
50914496
RL		 308
309 if (ret == NULL) {
310 EVP_KEYMGMT_free(keymgmt);
0f113f3e
MC		 311 return NULL;
312 }
ddfd7182
SL		 313 if (propquery != NULL) {
314 ret->propquery = OPENSSL_strdup(propquery);
315 if (ret->propquery == NULL) {
7153f544 316 OPENSSL_free(ret);
ddfd7182
SL		 317 EVP_KEYMGMT_free(keymgmt);
318 return NULL;
319 }
320 }
3ee348b0 321 ret->libctx = libctx;
4b9e90f4
RL		 322 ret->keytype = keytype;
323 ret->keymgmt = keymgmt;
50914496 324 ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */
0f113f3e
MC		 325 ret->engine = e;
326 ret->pmeth = pmeth;
327 ret->operation = EVP_PKEY_OP_UNDEFINED;
328 ret->pkey = pkey;
a6465b3f 329 if (pkey != NULL)
03273d61 330 EVP_PKEY_up_ref(pkey);
0f113f3e 331
8b84b075 332 if (pmeth != NULL && pmeth->init != NULL) {
0f113f3e 333 if (pmeth->init(ret) <= 0) {
83b4049a 334 ret->pmeth = NULL;
0f113f3e
MC		 335 EVP_PKEY_CTX_free(ret);
336 return NULL;
337 }
338 }
339
340 return ret;
341}
342
f844f9eb 343/*- All methods below can also be used in FIPS_MODULE */
e683582b 344
b4250010 345EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
e683582b
SL		 346 const char *name,
347 const char *propquery)
348{
349 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
350}
351
b4250010 352EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey,
2ee4a50a 353 const char *propquery)
e683582b 354{
2ee4a50a 355 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
e683582b
SL		 356}
357
864b89ce
MC		 358void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
359{
e683582b 360 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
864b89ce
MC		 361 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
362 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
363 EVP_SIGNATURE_free(ctx->op.sig.signature);
fb1ecf85
RL		 364 ctx->op.sig.sigprovctx = NULL;
365 ctx->op.sig.signature = NULL;
62f49b90 366 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
e683582b
SL		 367 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
368 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
369 EVP_KEYEXCH_free(ctx->op.kex.exchange);
370 ctx->op.kex.exchprovctx = NULL;
371 ctx->op.kex.exchange = NULL;
80f4fd18
SL		 372 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
373 if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL)
374 ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx);
375 EVP_KEM_free(ctx->op.encap.kem);
376 ctx->op.encap.kemprovctx = NULL;
377 ctx->op.encap.kem = NULL;
378 }
379 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
2c938e2e
MC		 380 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
381 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
382 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
383 ctx->op.ciph.ciphprovctx = NULL;
384 ctx->op.ciph.cipher = NULL;
62924755
RL		 385 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
386 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
387 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
864b89ce
MC		 388 }
389}
390
e683582b 391void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
0f113f3e 392{
e683582b
SL		 393 if (ctx == NULL)
394 return;
395 if (ctx->pmeth && ctx->pmeth->cleanup)
396 ctx->pmeth->cleanup(ctx);
b4faea50 397
e683582b 398 evp_pkey_ctx_free_old_ops(ctx);
86df26b3
RL		 399#ifndef FIPS_MODULE
400 evp_pkey_ctx_free_all_cached_data(ctx);
401#endif
e683582b 402 EVP_KEYMGMT_free(ctx->keymgmt);
0f113f3e 403
ddfd7182 404 OPENSSL_free(ctx->propquery);
e683582b
SL		 405 EVP_PKEY_free(ctx->pkey);
406 EVP_PKEY_free(ctx->peerkey);
f844f9eb 407#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
e683582b
SL		 408 ENGINE_finish(ctx->engine);
409#endif
3786d748 410 BN_free(ctx->rsa_pubexp);
e683582b 411 OPENSSL_free(ctx);
0f113f3e 412}
ba30bad5 413
f844f9eb 414#ifndef FIPS_MODULE
e683582b 415
f830c68f 416void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
0f113f3e
MC		 417 const EVP_PKEY_METHOD *meth)
418{
419 if (ppkey_id)
420 *ppkey_id = meth->pkey_id;
421 if (pflags)
422 *pflags = meth->flags;
423}
f830c68f
DSH		 424
425void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
0f113f3e 426{
4cbb196b
AT		 427 int pkey_id = dst->pkey_id;
428 int flags = dst->flags;
f830c68f 429
4cbb196b 430 *dst = *src;
f830c68f 431
4cbb196b
AT		 432 /* We only copy the function pointers so restore the other values */
433 dst->pkey_id = pkey_id;
434 dst->flags = flags;
0f113f3e 435}
f830c68f 436
ba30bad5 437void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 438{
439 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
440 OPENSSL_free(pmeth);
441}
ba30bad5 442
f5cda4cb 443EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
0f113f3e 444{
3ee348b0 445 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
0f113f3e 446}
f5cda4cb
DSH		 447
448EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
0f113f3e 449{
3ee348b0 450 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
a07c17ef
RL		 451}
452
9fdcc21f 453EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
0f113f3e
MC		 454{
455 EVP_PKEY_CTX *rctx;
ff64702b 456
e683582b 457# ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 458 /* Make sure it's safe to copy a pkey context using an ENGINE */
459 if (pctx->engine && !ENGINE_init(pctx->engine)) {
9311d0c4 460 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
0f113f3e
MC		 461 return 0;
462 }
e683582b 463# endif
ff64702b 464 rctx = OPENSSL_zalloc(sizeof(*rctx));
3484236d 465 if (rctx == NULL) {
9311d0c4 466 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 467 return NULL;
3484236d 468 }
8bdcef40 469
ff64702b
MC		 470 if (pctx->pkey != NULL)
471 EVP_PKEY_up_ref(pctx->pkey);
472 rctx->pkey = pctx->pkey;
473 rctx->operation = pctx->operation;
3ee348b0 474 rctx->libctx = pctx->libctx;
f23bc0b7 475 rctx->keytype = pctx->keytype;
ddfd7182
SL		 476 rctx->propquery = NULL;
477 if (pctx->propquery != NULL) {
478 rctx->propquery = OPENSSL_strdup(pctx->propquery);
74cd923a
RL		 479 if (rctx->propquery == NULL)
480 goto err;
ddfd7182 481 }
ac7750bb 482 rctx->legacy_keytype = pctx->legacy_keytype;
ff64702b 483
864b89ce
MC		 484 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
485 if (pctx->op.kex.exchange != NULL) {
486 rctx->op.kex.exchange = pctx->op.kex.exchange;
ac7750bb 487 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange))
74cd923a 488 goto err;
ff64702b 489 }
864b89ce
MC		 490 if (pctx->op.kex.exchprovctx != NULL) {
491 if (!ossl_assert(pctx->op.kex.exchange != NULL))
74cd923a 492 goto err;
864b89ce
MC		 493 rctx->op.kex.exchprovctx
494 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
495 if (rctx->op.kex.exchprovctx == NULL) {
496 EVP_KEYEXCH_free(rctx->op.kex.exchange);
74cd923a 497 goto err;
864b89ce
MC		 498 }
499 return rctx;
500 }
501 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
502 if (pctx->op.sig.signature != NULL) {
503 rctx->op.sig.signature = pctx->op.sig.signature;
ac7750bb 504 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature))
74cd923a 505 goto err;
864b89ce
MC		 506 }
507 if (pctx->op.sig.sigprovctx != NULL) {
508 if (!ossl_assert(pctx->op.sig.signature != NULL))
74cd923a 509 goto err;
864b89ce
MC		 510 rctx->op.sig.sigprovctx
511 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
512 if (rctx->op.sig.sigprovctx == NULL) {
513 EVP_SIGNATURE_free(rctx->op.sig.signature);
74cd923a 514 goto err;
864b89ce
MC		 515 }
516 return rctx;
ff64702b 517 }
2c938e2e
MC		 518 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
519 if (pctx->op.ciph.cipher != NULL) {
520 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
ac7750bb 521 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher))
74cd923a 522 goto err;
2c938e2e
MC		 523 }
524 if (pctx->op.ciph.ciphprovctx != NULL) {
525 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
74cd923a 526 goto err;
2c938e2e
MC		 527 rctx->op.ciph.ciphprovctx
528 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
529 if (rctx->op.ciph.ciphprovctx == NULL) {
530 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
74cd923a 531 goto err;
2c938e2e
MC		 532 }
533 return rctx;
534 }
80f4fd18
SL		 535 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
536 if (pctx->op.encap.kem != NULL) {
537 rctx->op.encap.kem = pctx->op.encap.kem;
ac7750bb 538 if (!EVP_KEM_up_ref(rctx->op.encap.kem))
74cd923a 539 goto err;
80f4fd18
SL		 540 }
541 if (pctx->op.encap.kemprovctx != NULL) {
542 if (!ossl_assert(pctx->op.encap.kem != NULL))
74cd923a 543 goto err;
80f4fd18
SL		 544 rctx->op.encap.kemprovctx
545 = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx);
546 if (rctx->op.encap.kemprovctx == NULL) {
547 EVP_KEM_free(rctx->op.encap.kem);
74cd923a 548 goto err;
80f4fd18
SL		 549 }
550 return rctx;
551 }
ac7750bb
SL		 552 } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) {
553 /* Not supported - This would need a gen_dupctx() to work */
74cd923a 554 goto err;
ff64702b
MC		 555 }
556
0f113f3e 557 rctx->pmeth = pctx->pmeth;
e683582b 558# ifndef OPENSSL_NO_ENGINE
0f113f3e 559 rctx->engine = pctx->engine;
e683582b 560# endif
8bdcef40 561
ac7750bb 562 if (pctx->peerkey != NULL)
03273d61 563 EVP_PKEY_up_ref(pctx->peerkey);
0f113f3e 564 rctx->peerkey = pctx->peerkey;
8bdcef40 565
ac7750bb
SL		 566 if (pctx->pmeth == NULL) {
567 if (rctx->operation == EVP_PKEY_OP_UNDEFINED) {
568 EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt;
569 void *provkey;
570
571 provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx,
572 &tmp_keymgmt, pctx->propquery);
573 if (provkey == NULL)
574 goto err;
575 if (!EVP_KEYMGMT_up_ref(tmp_keymgmt))
576 goto err;
577 EVP_KEYMGMT_free(rctx->keymgmt);
578 rctx->keymgmt = tmp_keymgmt;
579 return rctx;
580 }
74cd923a 581 } else if (pctx->pmeth->copy(rctx, pctx) > 0) {
0f113f3e 582 return rctx;
74cd923a 583 }
ac7750bb 584err:
83b4049a 585 rctx->pmeth = NULL;
0f113f3e
MC		 586 EVP_PKEY_CTX_free(rctx);
587 return NULL;
0f113f3e 588}
8bdcef40 589
ba30bad5 590int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
0f113f3e
MC		 591{
592 if (app_pkey_methods == NULL) {
593 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
3484236d 594 if (app_pkey_methods == NULL){
9311d0c4 595 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 596 return 0;
3484236d 597 }
0f113f3e 598 }
3484236d 599 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
9311d0c4 600 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
0f113f3e 601 return 0;
3484236d 602 }
0f113f3e
MC		 603 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
604 return 1;
605}
ba30bad5 606
0822e89a
PY		 607void evp_app_cleanup_int(void)
608{
609 if (app_pkey_methods != NULL)
610 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
611}
612
613int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
614{
615 const EVP_PKEY_METHOD *ret;
616
617 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
618
619 return ret == NULL ? 0 : 1;
620}
621
48ed9c23
DSH		 622size_t EVP_PKEY_meth_get_count(void)
623{
624 size_t rv = OSSL_NELEM(standard_methods);
625
626 if (app_pkey_methods)
627 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
628 return rv;
629}
630
631const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
632{
633 if (idx < OSSL_NELEM(standard_methods))
19bd1fa1 634 return (standard_methods[idx])();
48ed9c23
DSH		 635 if (app_pkey_methods == NULL)
636 return NULL;
637 idx -= OSSL_NELEM(standard_methods);
638 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
639 return NULL;
640 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
641}
e683582b 642#endif
48ed9c23 643
6179dfc7
RL		 644int EVP_PKEY_CTX_is_a(EVP_PKEY_CTX *ctx, const char *keytype)
645{
646#ifndef FIPS_MODULE
647 if (evp_pkey_ctx_is_legacy(ctx))
648 return (ctx->pmeth->pkey_id == evp_pkey_name2type(keytype));
649#endif
650 return EVP_KEYMGMT_is_a(ctx->keymgmt, keytype);
651}
652
e683582b 653int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
0f113f3e 654{
6fcd92d3
RL		 655 switch (evp_pkey_ctx_state(ctx)) {
656 case EVP_PKEY_STATE_PROVIDER:
657 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
e683582b
SL		 658 && ctx->op.kex.exchange != NULL
659 && ctx->op.kex.exchange->set_ctx_params != NULL)
6fcd92d3
RL		 660 return
661 ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
662 params);
663 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
e683582b
SL		 664 && ctx->op.sig.signature != NULL
665 && ctx->op.sig.signature->set_ctx_params != NULL)
6fcd92d3
RL		 666 return
667 ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
668 params);
669 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
e683582b
SL		 670 && ctx->op.ciph.cipher != NULL
671 && ctx->op.ciph.cipher->set_ctx_params != NULL)
6fcd92d3
RL		 672 return
673 ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
674 params);
675 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
676 && ctx->keymgmt != NULL
677 && ctx->keymgmt->gen_set_params != NULL)
678 return
679 evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
680 params);
681 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
682 && ctx->op.encap.kem != NULL
683 && ctx->op.encap.kem->set_ctx_params != NULL)
684 return
685 ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx,
686 params);
687 break;
688#ifndef FIPS_MODULE
689 case EVP_PKEY_STATE_UNKNOWN:
690 case EVP_PKEY_STATE_LEGACY:
691 return evp_pkey_ctx_set_params_to_ctrl(ctx, params);
692#endif
693 }
e683582b 694 return 0;
0f113f3e 695}
5da98aa6 696
9c45222d
MC		 697int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
698{
6fcd92d3
RL		 699 switch (evp_pkey_ctx_state(ctx)) {
700 case EVP_PKEY_STATE_PROVIDER:
701 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
4fe54d67
NT		 702 && ctx->op.kex.exchange != NULL
703 && ctx->op.kex.exchange->get_ctx_params != NULL)
6fcd92d3
RL		 704 return
705 ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
706 params);
707 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
864b89ce
MC		 708 && ctx->op.sig.signature != NULL
709 && ctx->op.sig.signature->get_ctx_params != NULL)
6fcd92d3
RL		 710 return
711 ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
712 params);
713 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
2c938e2e
MC		 714 && ctx->op.ciph.cipher != NULL
715 && ctx->op.ciph.cipher->get_ctx_params != NULL)
6fcd92d3
RL		 716 return
717 ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
718 params);
719 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
720 && ctx->op.encap.kem != NULL
721 && ctx->op.encap.kem->get_ctx_params != NULL)
722 return
723 ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx,
724 params);
725 break;
726#ifndef FIPS_MODULE
727 case EVP_PKEY_STATE_UNKNOWN:
728 case EVP_PKEY_STATE_LEGACY:
729 return evp_pkey_ctx_get_params_to_ctrl(ctx, params);
730#endif
731 }
9c45222d
MC		 732 return 0;
733}
734
11a1b341 735#ifndef FIPS_MODULE
9c45222d
MC		 736const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
737{
18ec26ba
P		 738 void *provctx;
739
4fe54d67
NT		 740 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
741 && ctx->op.kex.exchange != NULL
18ec26ba
P		 742 && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
743 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
fb67126e
TM		 744 return ctx->op.kex.exchange->gettable_ctx_params(ctx->op.kex.exchprovctx,
745 provctx);
18ec26ba 746 }
864b89ce
MC		 747 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
748 && ctx->op.sig.signature != NULL
18ec26ba
P		 749 && ctx->op.sig.signature->gettable_ctx_params != NULL) {
750 provctx = ossl_provider_ctx(
751 EVP_SIGNATURE_provider(ctx->op.sig.signature));
fb67126e
TM		 752 return ctx->op.sig.signature->gettable_ctx_params(ctx->op.sig.sigprovctx,
753 provctx);
18ec26ba 754 }
2c938e2e
MC		 755 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
756 && ctx->op.ciph.cipher != NULL
18ec26ba
P		 757 && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
758 provctx = ossl_provider_ctx(
759 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
fb67126e
TM		 760 return ctx->op.ciph.cipher->gettable_ctx_params(ctx->op.ciph.ciphprovctx,
761 provctx);
18ec26ba 762 }
80f4fd18
SL		 763 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
764 && ctx->op.encap.kem != NULL
765 && ctx->op.encap.kem->gettable_ctx_params != NULL) {
766 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
fb67126e
TM		 767 return ctx->op.encap.kem->gettable_ctx_params(ctx->op.encap.kemprovctx,
768 provctx);
80f4fd18 769 }
9c45222d
MC		 770 return NULL;
771}
772
9c45222d
MC		 773const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
774{
18ec26ba
P		 775 void *provctx;
776
864b89ce
MC		 777 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
778 && ctx->op.kex.exchange != NULL
18ec26ba
P		 779 && ctx->op.kex.exchange->settable_ctx_params != NULL) {
780 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
fb67126e
TM		 781 return ctx->op.kex.exchange->settable_ctx_params(ctx->op.kex.exchprovctx,
782 provctx);
18ec26ba 783 }
864b89ce
MC		 784 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
785 && ctx->op.sig.signature != NULL
18ec26ba
P		 786 && ctx->op.sig.signature->settable_ctx_params != NULL) {
787 provctx = ossl_provider_ctx(
788 EVP_SIGNATURE_provider(ctx->op.sig.signature));
fb67126e
TM		 789 return ctx->op.sig.signature->settable_ctx_params(ctx->op.sig.sigprovctx,
790 provctx);
18ec26ba 791 }
2c938e2e
MC		 792 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
793 && ctx->op.ciph.cipher != NULL
18ec26ba
P		 794 && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
795 provctx = ossl_provider_ctx(
796 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
fb67126e
TM		 797 return ctx->op.ciph.cipher->settable_ctx_params(ctx->op.ciph.ciphprovctx,
798 provctx);
18ec26ba 799 }
62924755 800 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
fb67126e
TM		 801 && ctx->keymgmt != NULL
802 && ctx->keymgmt->gen_settable_params != NULL) {
803 provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(ctx->keymgmt));
804 return ctx->keymgmt->gen_settable_params(ctx->op.keymgmt.genctx,
805 provctx);
806 }
80f4fd18
SL		 807 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
808 && ctx->op.encap.kem != NULL
809 && ctx->op.encap.kem->settable_ctx_params != NULL) {
810 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
fb67126e
TM		 811 return ctx->op.encap.kem->settable_ctx_params(ctx->op.encap.kemprovctx,
812 provctx);
80f4fd18 813 }
9c45222d
MC		 814 return NULL;
815}
816
4fe54d67
NT		 817/*
818 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
819 *
820 * Return 1 on success, 0 or negative for errors.
821 *
822 * In particular they return -2 if any of the params is not supported.
823 *
f844f9eb 824 * They are not available in FIPS_MODULE as they depend on
4fe54d67
NT		 825 * - EVP_PKEY_CTX_{get,set}_params()
826 * - EVP_PKEY_CTX_{gettable,settable}_params()
827 *
828 */
829int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
830{
4fe54d67
NT		 831 if (ctx == NULL || params == NULL)
832 return 0;
833
51373129
RL		 834 /*
835 * We only check for provider side EVP_PKEY_CTX. For #legacy, we
836 * depend on the translation that happens in EVP_PKEY_CTX_set_params()
837 * call, and that the resulting ctrl call will return -2 if it doesn't
838 * known the ctrl command number.
839 */
840 if (evp_pkey_ctx_is_provided(ctx)) {
841 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
842 const OSSL_PARAM *p;
843
844 for (p = params; p->key != NULL; p++) {
845 /* Check the ctx actually understands this parameter */
846 if (OSSL_PARAM_locate_const(settable, p->key) == NULL )
847 return -2;
848 }
4fe54d67
NT		 849 }
850
851 return EVP_PKEY_CTX_set_params(ctx, params);
852}
853
854int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
855{
4fe54d67
NT		 856 if (ctx == NULL || params == NULL)
857 return 0;
858
51373129
RL		 859 /*
860 * We only check for provider side EVP_PKEY_CTX. For #legacy, we
861 * depend on the translation that happens in EVP_PKEY_CTX_get_params()
862 * call, and that the resulting ctrl call will return -2 if it doesn't
863 * known the ctrl command number.
864 */
865 if (evp_pkey_ctx_is_provided(ctx)) {
866 const OSSL_PARAM *gettable = EVP_PKEY_CTX_gettable_params(ctx);
867 const OSSL_PARAM *p;
868
869 for (p = params; p->key != NULL; p++ ) {
870 /* Check the ctx actually understands this parameter */
871 if (OSSL_PARAM_locate_const(gettable, p->key) == NULL )
872 return -2;
873 }
4fe54d67
NT		 874 }
875
876 return EVP_PKEY_CTX_get_params(ctx, params);
877}
878
0be6cf0c 879/* TODO(3.0): Deprecate in favour of get_signature_md_name */
9c45222d
MC		 880int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
881{
ac2d58c7 882 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
9c45222d
MC		 883 /* 80 should be big enough */
884 char name[80] = "";
885 const EVP_MD *tmp;
886
864b89ce 887 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
9c45222d
MC		 888 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
889 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
890 return -2;
891 }
892
864b89ce 893 if (ctx->op.sig.sigprovctx == NULL)
9c45222d
MC		 894 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
895 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
896
897 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
898 name,
899 sizeof(name));
ac2d58c7 900 *p = OSSL_PARAM_construct_end();
9c45222d
MC		 901
902 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
903 return 0;
904
7606bed9 905 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
9c45222d
MC		 906 if (tmp == NULL)
907 return 0;
908
909 *md = tmp;
910
911 return 1;
912}
913
0be6cf0c
TM		 914/*
915 * TODO(3.0): Deprecate functions calling this in favour of
916 * functions setting md name.
917 */
05d2f72e
MC		 918static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
919 int fallback, const char *param, int op,
920 int ctrl)
4889dadc 921{
05d2f72e 922 OSSL_PARAM md_params[2], *p = md_params;
4889dadc
MC		 923 const char *name;
924
05d2f72e 925 if (ctx == NULL || (ctx->operation & op) == 0) {
9c45222d
MC		 926 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
927 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
928 return -2;
929 }
930
05d2f72e
MC		 931 if (fallback)
932 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
4889dadc 933
9c45222d
MC		 934 if (md == NULL) {
935 name = "";
9c45222d 936 } else {
9c45222d
MC		 937 name = EVP_MD_name(md);
938 }
4889dadc 939
05d2f72e 940 *p++ = OSSL_PARAM_construct_utf8_string(param,
9c45222d
MC		 941 /*
942 * Cast away the const. This is read
943 * only so should be safe
944 */
8b6ffd40 945 (char *)name, 0);
ac2d58c7 946 *p = OSSL_PARAM_construct_end();
4889dadc 947
05d2f72e
MC		 948 return EVP_PKEY_CTX_set_params(ctx, md_params);
949}
950
951int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
952{
953 return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL,
954 OSSL_SIGNATURE_PARAM_DIGEST,
955 EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
4889dadc
MC		 956}
957
ac2d58c7
MC		 958int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
959{
05d2f72e
MC		 960 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
961 OSSL_KDF_PARAM_DIGEST,
962 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
963}
964
965static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
966 const char *param, int op, int ctrl,
967 const unsigned char *data,
968 int datalen)
969{
970 OSSL_PARAM octet_string_params[2], *p = octet_string_params;
ac2d58c7 971
5d51925a 972 if (ctx == NULL || (ctx->operation & op) == 0) {
ac2d58c7
MC		 973 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
974 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
975 return -2;
976 }
977
0be6cf0c 978 /* Code below to be removed when legacy support is dropped. */
05d2f72e
MC		 979 if (fallback)
980 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
0be6cf0c 981 /* end of legacy support */
ac2d58c7 982
05d2f72e
MC		 983 if (datalen < 0) {
984 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
985 return 0;
ac2d58c7
MC		 986 }
987
05d2f72e 988 *p++ = OSSL_PARAM_construct_octet_string(param,
ac2d58c7
MC		 989 /*
990 * Cast away the const. This is read
991 * only so should be safe
992 */
05d2f72e
MC		 993 (unsigned char *)data,
994 (size_t)datalen);
194de849 995 *p = OSSL_PARAM_construct_end();
ac2d58c7 996
05d2f72e 997 return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
ac2d58c7
MC		 998}
999
1000int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
1001 const unsigned char *sec, int seclen)
1002{
05d2f72e
MC		 1003 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1004 OSSL_KDF_PARAM_SECRET,
1005 EVP_PKEY_OP_DERIVE,
1006 EVP_PKEY_CTRL_TLS_SECRET,
1007 sec, seclen);
1008}
ac2d58c7 1009
05d2f72e
MC		 1010int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
1011 const unsigned char *seed, int seedlen)
1012{
1013 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1014 OSSL_KDF_PARAM_SEED,
1015 EVP_PKEY_OP_DERIVE,
1016 EVP_PKEY_CTRL_TLS_SEED,
1017 seed, seedlen);
1018}
ac2d58c7 1019
05d2f72e
MC		 1020int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
1021{
1022 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
1023 OSSL_KDF_PARAM_DIGEST,
1024 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
1025}
ac2d58c7 1026
05d2f72e
MC		 1027int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
1028 const unsigned char *salt, int saltlen)
1029{
1030 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1031 OSSL_KDF_PARAM_SALT,
1032 EVP_PKEY_OP_DERIVE,
1033 EVP_PKEY_CTRL_HKDF_SALT,
1034 salt, saltlen);
1035}
ac2d58c7 1036
05d2f72e
MC		 1037int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
1038 const unsigned char *key, int keylen)
1039{
1040 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1041 OSSL_KDF_PARAM_KEY,
1042 EVP_PKEY_OP_DERIVE,
1043 EVP_PKEY_CTRL_HKDF_KEY,
1044 key, keylen);
1045}
ac2d58c7 1046
05d2f72e
MC		 1047int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
1048 const unsigned char *info, int infolen)
1049{
1050 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1051 OSSL_KDF_PARAM_INFO,
1052 EVP_PKEY_OP_DERIVE,
1053 EVP_PKEY_CTRL_HKDF_INFO,
1054 info, infolen);
ac2d58c7
MC		 1055}
1056
05d2f72e 1057int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
ac2d58c7 1058{
05d2f72e 1059 OSSL_PARAM int_params[2], *p = int_params;
ac2d58c7
MC		 1060
1061 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1062 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1063 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1064 return -2;
1065 }
1066
0be6cf0c 1067 /* Code below to be removed when legacy support is dropped. */
ac2d58c7
MC		 1068 if (ctx->op.kex.exchprovctx == NULL)
1069 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
05d2f72e 1070 EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
0be6cf0c 1071 /* end of legacy support */
ac2d58c7 1072
05d2f72e
MC		 1073 if (mode < 0) {
1074 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
ac2d58c7
MC		 1075 return 0;
1076 }
1077
05d2f72e 1078 *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
194de849 1079 *p = OSSL_PARAM_construct_end();
ac2d58c7 1080
05d2f72e 1081 return EVP_PKEY_CTX_set_params(ctx, int_params);
ac2d58c7
MC		 1082}
1083
194de849
MC		 1084int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
1085 int passlen)
1086{
1087 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1088 OSSL_KDF_PARAM_PASSWORD,
1089 EVP_PKEY_OP_DERIVE,
1090 EVP_PKEY_CTRL_PASS,
1091 (const unsigned char *)pass, passlen);
1092}
1093
1094int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
1095 const unsigned char *salt, int saltlen)
1096{
1097 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1098 OSSL_KDF_PARAM_SALT,
1099 EVP_PKEY_OP_DERIVE,
1100 EVP_PKEY_CTRL_SCRYPT_SALT,
1101 salt, saltlen);
1102}
1103
1104static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
1105 int op, int ctrl, uint64_t val)
1106{
1107 OSSL_PARAM uint64_params[2], *p = uint64_params;
1108
1109 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1110 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1111 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1112 return -2;
1113 }
1114
0be6cf0c 1115 /* Code below to be removed when legacy support is dropped. */
194de849
MC		 1116 if (ctx->op.kex.exchprovctx == NULL)
1117 return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
0be6cf0c 1118 /* end of legacy support */
194de849
MC		 1119
1120 *p++ = OSSL_PARAM_construct_uint64(param, &val);
1121 *p = OSSL_PARAM_construct_end();
1122
1123 return EVP_PKEY_CTX_set_params(ctx, uint64_params);
1124}
1125
1126int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
1127{
1128 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
1129 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
1130 n);
1131}
1132
1133int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
1134{
1135 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
1136 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
1137 r);
1138}
1139
1140int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
1141{
1142 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
1143 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
1144 p);
1145}
1146
1147int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
1148 uint64_t maxmem_bytes)
1149{
1150 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
1151 EVP_PKEY_OP_DERIVE,
1152 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
1153 maxmem_bytes);
1154}
1155
5d51925a
MC		 1156int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
1157 int keylen)
1158{
1159 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
1160 OSSL_PKEY_PARAM_PRIV_KEY,
1161 EVP_PKEY_OP_KEYGEN,
1162 EVP_PKEY_CTRL_SET_MAC_KEY,
1163 key, keylen);
1164}
1165
80f4fd18
SL		 1166int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
1167{
1168 OSSL_PARAM params[2], *p = params;
1169
1170 if (ctx == NULL || op == NULL) {
1171 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1172 return 0;
1173 }
1174 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
1175 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1176 return -2;
1177 }
1178 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
1179 (char *)op, 0);
1180 *p = OSSL_PARAM_construct_end();
1181 return EVP_PKEY_CTX_set_params(ctx, params);
1182}
1183
8d6481f5
RL		 1184int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
1185{
1186 OSSL_PARAM params[2], *p = params;
1187 int ret;
1188
1189 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1190 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1191 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1192 return -2;
1193 }
1194
1195 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
1196 /*
1197 * Cast away the const. This is
1198 * read only so should be safe
1199 */
1200 (void *)id, (size_t)len);
1201 *p++ = OSSL_PARAM_construct_end();
1202
1203 ret = evp_pkey_ctx_set_params_strict(ctx, params);
1204 if (ret == -2)
1205 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1206 return ret;
1207}
1208
1209int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
1210{
1211 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1212 EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
1213}
1214
1215static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
1216{
1217 int ret;
1218 void *tmp_id = NULL;
1219 OSSL_PARAM params[2], *p = params;
1220
1221 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1222 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1223 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1224 return -2;
1225 }
1226
1227 *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
1228 &tmp_id, 0);
1229 *p++ = OSSL_PARAM_construct_end();
1230
1231 ret = evp_pkey_ctx_get_params_strict(ctx, params);
1232 if (ret == -2) {
1233 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1234 } else if (ret > 0) {
1235 size_t tmp_id_len = params[0].return_size;
1236
1237 if (id != NULL)
1238 memcpy(id, tmp_id, tmp_id_len);
1239 if (id_len != NULL)
1240 *id_len = tmp_id_len;
1241 }
1242 return ret;
1243}
1244
1245int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
1246{
1247 return get1_id_data(ctx, id, NULL);
1248}
1249
1250int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
1251{
1252 return get1_id_data(ctx, NULL, id_len);
1253}
1254
1255int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
1256{
1257 return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
1258}
1259
1260int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
1261{
1262 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1263 EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
1264}
1265
86df26b3
RL		 1266static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
1267 int cmd, int p1, void *p2)
0f113f3e 1268{
86df26b3 1269 int ret = 0;
4803717f 1270
86df26b3
RL		 1271 /*
1272 * If the method has a |digest_custom| function, we can relax the
1273 * operation type check, since this can be called before the operation
1274 * is initialized.
1275 */
1276 if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
1277 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
9311d0c4 1278 ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET);
86df26b3
RL		 1279 return -1;
1280 }
35aca9ec 1281
86df26b3 1282 if ((optype != -1) && !(ctx->operation & optype)) {
9311d0c4 1283 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
86df26b3
RL		 1284 return -1;
1285 }
0f113f3e 1286 }
0f113f3e 1287
86df26b3
RL		 1288 switch (evp_pkey_ctx_state(ctx)) {
1289 case EVP_PKEY_STATE_PROVIDER:
5524580b 1290 return evp_pkey_ctx_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
86df26b3
RL		 1291 case EVP_PKEY_STATE_UNKNOWN:
1292 case EVP_PKEY_STATE_LEGACY:
1293 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
9311d0c4 1294 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3
RL		 1295 return -2;
1296 }
1297 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
1298 return -1;
4803717f 1299
86df26b3 1300 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
0f113f3e 1301
86df26b3 1302 if (ret == -2)
9311d0c4 1303 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3 1304 break;
0f113f3e 1305 }
86df26b3
RL		 1306 return ret;
1307}
0f113f3e 1308
86df26b3
RL		 1309int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1310 int cmd, int p1, void *p2)
1311{
1312 int ret = 0;
1313
d65ab22e 1314 if (ctx == NULL) {
9311d0c4 1315 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
d65ab22e
SL		 1316 return -2;
1317 }
86df26b3
RL		 1318 /* If unsupported, we don't want that reported here */
1319 ERR_set_mark();
1320 ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
1321 cmd, NULL, p2, p1);
1322 if (ret == -2) {
1323 ERR_pop_to_mark();
1324 } else {
1325 ERR_clear_last_mark();
1326 /*
1327 * If there was an error, there was an error.
1328 * If the operation isn't initialized yet, we also return, as
1329 * the saved values will be used then anyway.
1330 */
1331 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1332 return ret;
1333 }
86df26b3 1334 return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
0f113f3e 1335}
0b6f3c66 1336
cefa762e 1337int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
64bf1016 1338 int cmd, uint64_t value)
cefa762e
JB		 1339{
1340 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
1341}
1342
19dbb742 1343
86df26b3
RL		 1344static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
1345 const char *name, const char *value)
0f113f3e 1346{
86df26b3
RL		 1347 int ret = 0;
1348
35aca9ec 1349 if (ctx == NULL) {
9311d0c4 1350 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
35aca9ec
MC		 1351 return -2;
1352 }
1353
86df26b3
RL		 1354 switch (evp_pkey_ctx_state(ctx)) {
1355 case EVP_PKEY_STATE_PROVIDER:
5524580b 1356 return evp_pkey_ctx_ctrl_str_to_param(ctx, name, value);
86df26b3
RL		 1357 case EVP_PKEY_STATE_UNKNOWN:
1358 case EVP_PKEY_STATE_LEGACY:
1359 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
9311d0c4 1360 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
86df26b3
RL		 1361 return -2;
1362 }
1363 if (strcmp(name, "digest") == 0)
b9689452
RL		 1364 ret = EVP_PKEY_CTX_md(ctx,
1365 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
86df26b3
RL		 1366 EVP_PKEY_CTRL_MD, value);
1367 else
1368 ret = ctx->pmeth->ctrl_str(ctx, name, value);
1369 break;
1370 }
35aca9ec 1371
86df26b3
RL		 1372 return ret;
1373}
1374
1375int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1376 const char *name, const char *value)
1377{
1378 int ret = 0;
1379
1380 /* If unsupported, we don't want that reported here */
1381 ERR_set_mark();
1382 ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
1383 name, value, strlen(value) + 1);
1384 if (ret == -2) {
1385 ERR_pop_to_mark();
1386 } else {
1387 ERR_clear_last_mark();
1388 /*
1389 * If there was an error, there was an error.
1390 * If the operation isn't initialized yet, we also return, as
1391 * the saved values will be used then anyway.
1392 */
1393 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1394 return ret;
1395 }
1396
1397 return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
1398}
1399
1400static int decode_cmd(int cmd, const char *name)
1401{
1402 if (cmd == -1) {
1403 /*
1404 * The consequence of the assertion not being true is that this
1405 * function will return -1, which will cause the calling functions
1406 * to signal that the command is unsupported... in non-debug mode.
1407 */
1408 if (ossl_assert(name != NULL))
1409 if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
1410 cmd = EVP_PKEY_CTRL_SET1_ID;
1411 }
1412
1413 return cmd;
1414}
1415
1416static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
1417 int keytype, int optype,
1418 int cmd, const char *name,
1419 const void *data, size_t data_len)
1420{
bbf4dc96
RL		 1421 /*
1422 * Check that it's one of the supported commands. The ctrl commands
1423 * number cases here must correspond to the cases in the bottom switch
1424 * in this function.
1425 */
1426 switch (cmd = decode_cmd(cmd, name)) {
1427 case EVP_PKEY_CTRL_SET1_ID:
1428 break;
1429 default:
1430 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1431 return -2;
1432 }
1433
977e95b9
RL		 1434 if (keytype != -1) {
1435 switch (evp_pkey_ctx_state(ctx)) {
1436 case EVP_PKEY_STATE_PROVIDER:
1437 if (ctx->keymgmt == NULL) {
1438 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1439 return -2;
1440 }
1441 if (!EVP_KEYMGMT_is_a(ctx->keymgmt,
1442 evp_pkey_type2name(keytype))) {
1443 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1444 return -1;
1445 }
1446 break;
1447 case EVP_PKEY_STATE_UNKNOWN:
1448 case EVP_PKEY_STATE_LEGACY:
1449 if (ctx->pmeth == NULL) {
1450 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1451 return -2;
1452 }
bbf4dc96 1453 if (EVP_PKEY_type(ctx->pmeth->pkey_id) != EVP_PKEY_type(keytype)) {
977e95b9
RL		 1454 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1455 return -1;
1456 }
1457 break;
1458 }
1459 }
1460 if (optype != -1 && (ctx->operation & optype) == 0) {
86df26b3
RL		 1461 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1462 return -1;
0f113f3e 1463 }
86df26b3 1464
86df26b3
RL		 1465 switch (cmd) {
1466 case EVP_PKEY_CTRL_SET1_ID:
1467 evp_pkey_ctx_free_cached_data(ctx, cmd, name);
1468 if (name != NULL) {
1469 ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
1470 if (ctx->cached_parameters.dist_id_name == NULL) {
1471 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1472 return 0;
1473 }
1474 }
1475 if (data_len > 0) {
1476 ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
1477 if (ctx->cached_parameters.dist_id == NULL) {
1478 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1479 return 0;
1480 }
1481 }
1482 ctx->cached_parameters.dist_id_set = 1;
1483 ctx->cached_parameters.dist_id_len = data_len;
bbf4dc96 1484 break;
86df26b3 1485 }
bbf4dc96 1486 return 1;
86df26b3
RL		 1487}
1488
1489static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
1490 int cmd, const char *name)
1491{
1492 cmd = decode_cmd(cmd, name);
1493 switch (cmd) {
1494 case EVP_PKEY_CTRL_SET1_ID:
1495 OPENSSL_free(ctx->cached_parameters.dist_id);
1496 OPENSSL_free(ctx->cached_parameters.dist_id_name);
1497 ctx->cached_parameters.dist_id = NULL;
1498 ctx->cached_parameters.dist_id_name = NULL;
1499 break;
1500 }
1501}
1502
1503static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
1504{
1505 evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
1506}
1507
1508int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
1509{
1510 int ret = 1;
1511
1512 if (ret && ctx->cached_parameters.dist_id_set) {
1513 const char *name = ctx->cached_parameters.dist_id_name;
1514 const void *val = ctx->cached_parameters.dist_id;
1515 size_t len = ctx->cached_parameters.dist_id_len;
1516
1517 if (name != NULL)
1518 ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
1519 else
1520 ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
1521 EVP_PKEY_CTRL_SET1_ID,
1522 (int)len, (void *)val);
1523 }
1524
1525 return ret;
0f113f3e 1526}
f5cda4cb 1527
b4250010 1528OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx)
0b3a4ef2
MC		 1529{
1530 return ctx->libctx;
1531}
1532
29000e43 1533const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx)
0b3a4ef2
MC		 1534{
1535 return ctx->propquery;
1536}
1537
99119000
DSH		 1538/* Utility functions to send a string of hex string to a ctrl */
1539
1540int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1541{
1542 size_t len;
1543
1544 len = strlen(str);
1545 if (len > INT_MAX)
1546 return -1;
1547 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1548}
1549
1550int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1551{
1552 unsigned char *bin;
1553 long binlen;
1554 int rv = -1;
1555
14f051a0 1556 bin = OPENSSL_hexstr2buf(hex, &binlen);
99119000
DSH		 1557 if (bin == NULL)
1558 return 0;
1559 if (binlen <= INT_MAX)
1560 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1561 OPENSSL_free(bin);
1562 return rv;
1563}
52ad523c 1564
410877ba
DSH		 1565/* Pass a message digest to a ctrl */
1566int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1567{
1568 const EVP_MD *m;
c82bafc5 1569
410877ba 1570 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
9311d0c4 1571 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST);
410877ba
DSH		 1572 return 0;
1573 }
1574 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1575}
99119000 1576
b28dea4e 1577int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1578{
1579 return ctx->operation;
1580}
b28dea4e
DSH		 1581
1582void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
0f113f3e
MC		 1583{
1584 ctx->keygen_info = dat;
1585 ctx->keygen_info_count = datlen;
1586}
b28dea4e 1587
f5cda4cb 1588void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 1589{
1590 ctx->data = data;
1591}
f5cda4cb 1592
9fdcc21f 1593void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1594{
1595 return ctx->data;
1596}
f5cda4cb 1597
81cebb8b 1598EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1599{
1600 return ctx->pkey;
1601}
81cebb8b 1602
0e1dba93 1603EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1604{
1605 return ctx->peerkey;
1606}
1607
f5cda4cb 1608void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
0f113f3e
MC		 1609{
1610 ctx->app_data = data;
1611}
f5cda4cb
DSH		 1612
1613void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
0f113f3e
MC		 1614{
1615 return ctx->app_data;
1616}
ba30bad5
DSH		 1617
1618void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1619 int (*init) (EVP_PKEY_CTX *ctx))
1620{
1621 pmeth->init = init;
1622}
8bdcef40
DSH		 1623
1624void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
0f113f3e 1625 int (*copy) (EVP_PKEY_CTX *dst,
9fdcc21f 1626 const EVP_PKEY_CTX *src))
0f113f3e
MC		 1627{
1628 pmeth->copy = copy;
1629}
ba30bad5
DSH		 1630
1631void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1632 void (*cleanup) (EVP_PKEY_CTX *ctx))
1633{
1634 pmeth->cleanup = cleanup;
1635}
ba30bad5
DSH		 1636
1637void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1638 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1639 int (*paramgen) (EVP_PKEY_CTX *ctx,
1640 EVP_PKEY *pkey))
1641{
1642 pmeth->paramgen_init = paramgen_init;
1643 pmeth->paramgen = paramgen;
1644}
ba30bad5
DSH		 1645
1646void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1647 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1648 int (*keygen) (EVP_PKEY_CTX *ctx,
1649 EVP_PKEY *pkey))
1650{
1651 pmeth->keygen_init = keygen_init;
1652 pmeth->keygen = keygen;
1653}
ba30bad5
DSH		 1654
1655void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1656 int (*sign_init) (EVP_PKEY_CTX *ctx),
1657 int (*sign) (EVP_PKEY_CTX *ctx,
1658 unsigned char *sig, size_t *siglen,
1659 const unsigned char *tbs,
1660 size_t tbslen))
1661{
1662 pmeth->sign_init = sign_init;
1663 pmeth->sign = sign;
1664}
ba30bad5
DSH		 1665
1666void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1667 int (*verify_init) (EVP_PKEY_CTX *ctx),
1668 int (*verify) (EVP_PKEY_CTX *ctx,
1669 const unsigned char *sig,
1670 size_t siglen,
1671 const unsigned char *tbs,
1672 size_t tbslen))
1673{
1674 pmeth->verify_init = verify_init;
1675 pmeth->verify = verify;
1676}
ba30bad5
DSH		 1677
1678void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1679 int (*verify_recover_init) (EVP_PKEY_CTX
1680 *ctx),
1681 int (*verify_recover) (EVP_PKEY_CTX
1682 *ctx,
1683 unsigned char
1684 *sig,
1685 size_t *siglen,
1686 const unsigned
1687 char *tbs,
1688 size_t tbslen))
1689{
1690 pmeth->verify_recover_init = verify_recover_init;
1691 pmeth->verify_recover = verify_recover;
1692}
ba30bad5
DSH		 1693
1694void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1695 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1696 EVP_MD_CTX *mctx),
1697 int (*signctx) (EVP_PKEY_CTX *ctx,
1698 unsigned char *sig,
1699 size_t *siglen,
1700 EVP_MD_CTX *mctx))
1701{
1702 pmeth->signctx_init = signctx_init;
1703 pmeth->signctx = signctx;
1704}
ba30bad5
DSH		 1705
1706void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1707 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1708 EVP_MD_CTX *mctx),
1709 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1710 const unsigned char *sig,
1711 int siglen,
1712 EVP_MD_CTX *mctx))
1713{
1714 pmeth->verifyctx_init = verifyctx_init;
1715 pmeth->verifyctx = verifyctx;
1716}
ba30bad5
DSH		 1717
1718void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1719 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1720 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1721 unsigned char *out,
1722 size_t *outlen,
1723 const unsigned char *in,
1724 size_t inlen))
1725{
1726 pmeth->encrypt_init = encrypt_init;
1727 pmeth->encrypt = encryptfn;
1728}
ba30bad5
DSH		 1729
1730void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1731 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1732 int (*decrypt) (EVP_PKEY_CTX *ctx,
1733 unsigned char *out,
1734 size_t *outlen,
1735 const unsigned char *in,
1736 size_t inlen))
1737{
1738 pmeth->decrypt_init = decrypt_init;
1739 pmeth->decrypt = decrypt;
1740}
ba30bad5
DSH		 1741
1742void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1743 int (*derive_init) (EVP_PKEY_CTX *ctx),
1744 int (*derive) (EVP_PKEY_CTX *ctx,
1745 unsigned char *key,
1746 size_t *keylen))
1747{
1748 pmeth->derive_init = derive_init;
1749 pmeth->derive = derive;
1750}
ba30bad5
DSH		 1751
1752void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
0f113f3e
MC		 1753 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1754 void *p2),
1755 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1756 const char *type,
1757 const char *value))
1758{
1759 pmeth->ctrl = ctrl;
1760 pmeth->ctrl_str = ctrl_str;
1761}
e7451ed1 1762
2555285f
AH		 1763void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1764 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1765 const unsigned char *tbs, size_t tbslen))
1766{
1767 pmeth->digestsign = digestsign;
1768}
1769
1770void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1771 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1772 size_t siglen, const unsigned char *tbs,
1773 size_t tbslen))
1774{
1775 pmeth->digestverify = digestverify;
1776}
1777
2aee35d3
PY		 1778void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1779 int (*check) (EVP_PKEY *pkey))
1780{
1781 pmeth->check = check;
1782}
1783
b0004708
PY		 1784void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1785 int (*check) (EVP_PKEY *pkey))
1786{
1787 pmeth->public_check = check;
1788}
1789
1790void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1791 int (*check) (EVP_PKEY *pkey))
1792{
1793 pmeth->param_check = check;
1794}
1795
0a8fdef7
PY		 1796void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1797 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1798 EVP_MD_CTX *mctx))
1799{
1800 pmeth->digest_custom = digest_custom;
1801}
1802
693be9a2 1803void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1804 int (**pinit) (EVP_PKEY_CTX *ctx))
1805{
1806 *pinit = pmeth->init;
1807}
1808
693be9a2 1809void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
e7451ed1 1810 int (**pcopy) (EVP_PKEY_CTX *dst,
9fdcc21f 1811 const EVP_PKEY_CTX *src))
e7451ed1
DSH		 1812{
1813 *pcopy = pmeth->copy;
1814}
1815
693be9a2 1816void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1817 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1818{
1819 *pcleanup = pmeth->cleanup;
1820}
1821
693be9a2 1822void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1823 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1824 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1825 EVP_PKEY *pkey))
1826{
1827 if (pparamgen_init)
1828 *pparamgen_init = pmeth->paramgen_init;
1829 if (pparamgen)
1830 *pparamgen = pmeth->paramgen;
1831}
1832
693be9a2 1833void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1834 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1835 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1836 EVP_PKEY *pkey))
1837{
1838 if (pkeygen_init)
1839 *pkeygen_init = pmeth->keygen_init;
1840 if (pkeygen)
1841 *pkeygen = pmeth->keygen;
1842}
1843
693be9a2 1844void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1845 int (**psign_init) (EVP_PKEY_CTX *ctx),
1846 int (**psign) (EVP_PKEY_CTX *ctx,
1847 unsigned char *sig, size_t *siglen,
1848 const unsigned char *tbs,
1849 size_t tbslen))
1850{
1851 if (psign_init)
1852 *psign_init = pmeth->sign_init;
1853 if (psign)
1854 *psign = pmeth->sign;
1855}
1856
693be9a2 1857void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1858 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1859 int (**pverify) (EVP_PKEY_CTX *ctx,
1860 const unsigned char *sig,
1861 size_t siglen,
1862 const unsigned char *tbs,
1863 size_t tbslen))
1864{
1865 if (pverify_init)
1866 *pverify_init = pmeth->verify_init;
1867 if (pverify)
1868 *pverify = pmeth->verify;
1869}
1870
693be9a2 1871void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1872 int (**pverify_recover_init) (EVP_PKEY_CTX
1873 *ctx),
1874 int (**pverify_recover) (EVP_PKEY_CTX
1875 *ctx,
1876 unsigned char
1877 *sig,
1878 size_t *siglen,
1879 const unsigned
1880 char *tbs,
1881 size_t tbslen))
1882{
1883 if (pverify_recover_init)
1884 *pverify_recover_init = pmeth->verify_recover_init;
1885 if (pverify_recover)
1886 *pverify_recover = pmeth->verify_recover;
1887}
1888
693be9a2 1889void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1890 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1891 EVP_MD_CTX *mctx),
1892 int (**psignctx) (EVP_PKEY_CTX *ctx,
1893 unsigned char *sig,
1894 size_t *siglen,
1895 EVP_MD_CTX *mctx))
1896{
1897 if (psignctx_init)
1898 *psignctx_init = pmeth->signctx_init;
1899 if (psignctx)
1900 *psignctx = pmeth->signctx;
1901}
1902
693be9a2 1903void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1904 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1905 EVP_MD_CTX *mctx),
1906 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1907 const unsigned char *sig,
1908 int siglen,
1909 EVP_MD_CTX *mctx))
1910{
1911 if (pverifyctx_init)
1912 *pverifyctx_init = pmeth->verifyctx_init;
1913 if (pverifyctx)
1914 *pverifyctx = pmeth->verifyctx;
1915}
1916
693be9a2 1917void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1918 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1919 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1920 unsigned char *out,
1921 size_t *outlen,
1922 const unsigned char *in,
1923 size_t inlen))
1924{
1925 if (pencrypt_init)
1926 *pencrypt_init = pmeth->encrypt_init;
1927 if (pencryptfn)
1928 *pencryptfn = pmeth->encrypt;
1929}
1930
693be9a2 1931void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1932 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1933 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1934 unsigned char *out,
1935 size_t *outlen,
1936 const unsigned char *in,
1937 size_t inlen))
1938{
1939 if (pdecrypt_init)
1940 *pdecrypt_init = pmeth->decrypt_init;
1941 if (pdecrypt)
1942 *pdecrypt = pmeth->decrypt;
1943}
1944
693be9a2 1945void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1946 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1947 int (**pderive) (EVP_PKEY_CTX *ctx,
1948 unsigned char *key,
1949 size_t *keylen))
1950{
1951 if (pderive_init)
1952 *pderive_init = pmeth->derive_init;
1953 if (pderive)
1954 *pderive = pmeth->derive;
1955}
1956
693be9a2 1957void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
e7451ed1
DSH		 1958 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1959 void *p2),
1960 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1961 const char *type,
1962 const char *value))
1963{
1964 if (pctrl)
1965 *pctrl = pmeth->ctrl;
1966 if (pctrl_str)
1967 *pctrl_str = pmeth->ctrl_str;
1968}
2aee35d3 1969
2555285f
AH		 1970void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1971 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1972 const unsigned char *tbs, size_t tbslen))
1973{
1974 if (digestsign)
1975 *digestsign = pmeth->digestsign;
1976}
1977
1978void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1979 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1980 size_t siglen, const unsigned char *tbs,
1981 size_t tbslen))
1982{
1983 if (digestverify)
1984 *digestverify = pmeth->digestverify;
1985}
1986
693be9a2 1987void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2aee35d3
PY		 1988 int (**pcheck) (EVP_PKEY *pkey))
1989{
34f5c8b1 1990 if (pcheck != NULL)
2aee35d3
PY		 1991 *pcheck = pmeth->check;
1992}
b0004708 1993
693be9a2 1994void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 1995 int (**pcheck) (EVP_PKEY *pkey))
1996{
34f5c8b1 1997 if (pcheck != NULL)
b0004708
PY		 1998 *pcheck = pmeth->public_check;
1999}
2000
693be9a2 2001void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
b0004708
PY		 2002 int (**pcheck) (EVP_PKEY *pkey))
2003{
34f5c8b1 2004 if (pcheck != NULL)
b0004708
PY		 2005 *pcheck = pmeth->param_check;
2006}
0a8fdef7
PY		 2007
2008void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
2009 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
2010 EVP_MD_CTX *mctx))
2011{
675f4cee 2012 if (pdigest_custom != NULL)
0a8fdef7
PY		 2013 *pdigest_custom = pmeth->digest_custom;
2014}
e683582b 2015
f844f9eb 2016#endif /* FIPS_MODULE */
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