2 * Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
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
11 * Low level key APIs (DH etc) are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
18 #include <openssl/engine.h>
19 #include <openssl/evp.h>
20 #include <openssl/x509v3.h>
21 #include <openssl/core_names.h>
22 #include <openssl/dh.h>
23 #include <openssl/rsa.h>
24 #include <openssl/kdf.h>
25 #include "internal/cryptlib.h"
26 #include "crypto/asn1.h"
27 #include "crypto/evp.h"
28 #include "crypto/dh.h"
29 #include "crypto/ec.h"
30 #include "internal/ffc.h"
31 #include "internal/numbers.h"
32 #include "internal/provider.h"
33 #include "evp_local.h"
37 static 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
);
41 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX
*ctx
,
42 int cmd
, const char *name
);
43 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX
*ctx
);
45 typedef const EVP_PKEY_METHOD
*(*pmeth_fn
)(void);
46 typedef int sk_cmp_fn_type(const char *const *a
, const char *const *b
);
48 static STACK_OF(EVP_PKEY_METHOD
) *app_pkey_methods
= NULL
;
50 /* This array needs to be in order of NIDs */
51 static pmeth_fn standard_methods
[] = {
52 # ifndef OPENSSL_NO_RSA
55 # ifndef OPENSSL_NO_DH
58 # ifndef OPENSSL_NO_DSA
61 # ifndef OPENSSL_NO_EC
64 # ifndef OPENSSL_NO_RSA
65 ossl_rsa_pss_pkey_method
,
67 # ifndef OPENSSL_NO_DH
70 # ifndef OPENSSL_NO_EC
74 # ifndef OPENSSL_NO_EC
80 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
82 static int pmeth_func_cmp(const EVP_PKEY_METHOD
*const *a
, pmeth_fn
const *b
)
84 return ((*a
)->pkey_id
- ((**b
)())->pkey_id
);
87 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
89 static int pmeth_cmp(const EVP_PKEY_METHOD
*const *a
,
90 const EVP_PKEY_METHOD
*const *b
)
92 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
95 const EVP_PKEY_METHOD
*EVP_PKEY_meth_find(int type
)
99 const EVP_PKEY_METHOD
*t
= &tmp
;
102 if (app_pkey_methods
) {
104 idx
= sk_EVP_PKEY_METHOD_find(app_pkey_methods
, &tmp
);
106 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
108 ret
= OBJ_bsearch_pmeth_func(&t
, standard_methods
,
109 sizeof(standard_methods
) /
111 if (ret
== NULL
|| *ret
== NULL
)
116 EVP_PKEY_METHOD
*EVP_PKEY_meth_new(int id
, int flags
)
118 EVP_PKEY_METHOD
*pmeth
;
120 pmeth
= OPENSSL_zalloc(sizeof(*pmeth
));
122 EVPerr(EVP_F_EVP_PKEY_METH_NEW
, ERR_R_MALLOC_FAILURE
);
127 pmeth
->flags
= flags
| EVP_PKEY_FLAG_DYNAMIC
;
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
136 static int evp_pkey_ctx_state(EVP_PKEY_CTX
*ctx
)
138 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
)
139 return EVP_PKEY_STATE_UNKNOWN
;
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
)
148 && ctx
->op
.keymgmt
.genctx
!= NULL
)
149 || (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
150 && ctx
->op
.encap
.kemprovctx
!= NULL
))
151 return EVP_PKEY_STATE_PROVIDER
;
153 return EVP_PKEY_STATE_LEGACY
;
156 static void help_get_legacy_alg_type_from_keymgmt(const char *keytype
,
161 if (*type
== NID_undef
)
162 *type
= evp_pkey_name2type(keytype
);
165 static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT
*keymgmt
)
167 int type
= NID_undef
;
169 EVP_KEYMGMT_names_do_all(keymgmt
, help_get_legacy_alg_type_from_keymgmt
,
173 #endif /* FIPS_MODULE */
175 static EVP_PKEY_CTX
*int_ctx_new(OPENSSL_CTX
*libctx
,
176 EVP_PKEY
*pkey
, ENGINE
*e
,
177 const char *keytype
, const char *propquery
,
181 EVP_PKEY_CTX
*ret
= NULL
;
182 const EVP_PKEY_METHOD
*pmeth
= NULL
;
183 EVP_KEYMGMT
*keymgmt
= NULL
;
186 * If the given |pkey| is provided, we extract the keytype from its
187 * keymgmt and skip over the legacy code.
189 if (pkey
!= NULL
&& evp_pkey_is_provided(pkey
)) {
190 /* If we have an engine, something went wrong somewhere... */
191 if (!ossl_assert(e
== NULL
))
193 keytype
= evp_first_name(pkey
->keymgmt
->prov
, pkey
->keymgmt
->name_id
);
199 * TODO(3.0) This legacy code section should be removed when we stop
206 else if (keytype
!= NULL
)
207 id
= evp_pkey_name2type(keytype
);
211 /* If no ID was found here, we can only resort to find a keymgmt */
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.
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
226 if (!ossl_assert(e
== NULL
|| keytype
== NULL
))
229 keytype
= OBJ_nid2sn(id
);
231 # ifndef OPENSSL_NO_ENGINE
232 if (e
== NULL
&& pkey
!= NULL
)
233 e
= pkey
->pmeth_engine
!= NULL
? pkey
->pmeth_engine
: pkey
->engine
;
234 /* Try to find an ENGINE which implements this method */
236 if (!ENGINE_init(e
)) {
237 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_ENGINE_LIB
);
241 e
= ENGINE_get_pkey_meth_engine(id
);
245 * If an ENGINE handled this method look it up. Otherwise use internal
249 pmeth
= ENGINE_get_pkey_meth(e
, id
);
252 pmeth
= EVP_PKEY_meth_find(id
);
255 #endif /* FIPS_MODULE */
258 * If there's no engine and there's a name, we try fetching a provider
261 if (e
== NULL
&& keytype
!= NULL
) {
262 keymgmt
= EVP_KEYMGMT_fetch(libctx
, keytype
, propquery
);
264 return NULL
; /* EVP_KEYMGMT_fetch() recorded an error */
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
274 * TODO: Remove this when #legacy keys are gone.
276 if (keymgmt
!= NULL
) {
277 int tmp_id
= get_legacy_alg_type_from_keymgmt(keymgmt
);
279 if (tmp_id
!= NID_undef
) {
284 * It really really shouldn't differ. If it still does,
285 * something is very wrong.
287 if (!ossl_assert(id
== tmp_id
)) {
288 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_INTERNAL_ERROR
);
289 EVP_KEYMGMT_free(keymgmt
);
298 if (pmeth
== NULL
&& keymgmt
== NULL
) {
299 EVPerr(EVP_F_INT_CTX_NEW
, EVP_R_UNSUPPORTED_ALGORITHM
);
301 ret
= OPENSSL_zalloc(sizeof(*ret
));
303 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
306 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
307 if ((ret
== NULL
|| pmeth
== NULL
) && e
!= NULL
)
312 EVP_KEYMGMT_free(keymgmt
);
316 ret
->libctx
= libctx
;
317 ret
->propquery
= propquery
;
318 ret
->keytype
= keytype
;
319 ret
->keymgmt
= keymgmt
;
320 ret
->legacy_keytype
= id
; /* TODO: Remove when #legacy key are gone */
323 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
326 EVP_PKEY_up_ref(pkey
);
328 if (pmeth
!= NULL
&& pmeth
->init
!= NULL
) {
329 if (pmeth
->init(ret
) <= 0) {
331 EVP_PKEY_CTX_free(ret
);
339 /*- All methods below can also be used in FIPS_MODULE */
341 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_name(OPENSSL_CTX
*libctx
,
343 const char *propquery
)
345 return int_ctx_new(libctx
, NULL
, NULL
, name
, propquery
, -1);
348 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX
*libctx
, EVP_PKEY
*pkey
,
349 const char *propquery
)
351 return int_ctx_new(libctx
, pkey
, NULL
, NULL
, propquery
, -1);
354 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX
*ctx
)
356 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
357 if (ctx
->op
.sig
.sigprovctx
!= NULL
&& ctx
->op
.sig
.signature
!= NULL
)
358 ctx
->op
.sig
.signature
->freectx(ctx
->op
.sig
.sigprovctx
);
359 EVP_SIGNATURE_free(ctx
->op
.sig
.signature
);
360 ctx
->op
.sig
.sigprovctx
= NULL
;
361 ctx
->op
.sig
.signature
= NULL
;
362 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
363 if (ctx
->op
.kex
.exchprovctx
!= NULL
&& ctx
->op
.kex
.exchange
!= NULL
)
364 ctx
->op
.kex
.exchange
->freectx(ctx
->op
.kex
.exchprovctx
);
365 EVP_KEYEXCH_free(ctx
->op
.kex
.exchange
);
366 ctx
->op
.kex
.exchprovctx
= NULL
;
367 ctx
->op
.kex
.exchange
= NULL
;
368 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)) {
369 if (ctx
->op
.encap
.kemprovctx
!= NULL
&& ctx
->op
.encap
.kem
!= NULL
)
370 ctx
->op
.encap
.kem
->freectx(ctx
->op
.encap
.kemprovctx
);
371 EVP_KEM_free(ctx
->op
.encap
.kem
);
372 ctx
->op
.encap
.kemprovctx
= NULL
;
373 ctx
->op
.encap
.kem
= NULL
;
375 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)) {
376 if (ctx
->op
.ciph
.ciphprovctx
!= NULL
&& ctx
->op
.ciph
.cipher
!= NULL
)
377 ctx
->op
.ciph
.cipher
->freectx(ctx
->op
.ciph
.ciphprovctx
);
378 EVP_ASYM_CIPHER_free(ctx
->op
.ciph
.cipher
);
379 ctx
->op
.ciph
.ciphprovctx
= NULL
;
380 ctx
->op
.ciph
.cipher
= NULL
;
381 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)) {
382 if (ctx
->op
.keymgmt
.genctx
!= NULL
&& ctx
->keymgmt
!= NULL
)
383 evp_keymgmt_gen_cleanup(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
);
387 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
391 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
392 ctx
->pmeth
->cleanup(ctx
);
394 evp_pkey_ctx_free_old_ops(ctx
);
396 evp_pkey_ctx_free_all_cached_data(ctx
);
398 EVP_KEYMGMT_free(ctx
->keymgmt
);
400 EVP_PKEY_free(ctx
->pkey
);
401 EVP_PKEY_free(ctx
->peerkey
);
402 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
403 ENGINE_finish(ctx
->engine
);
405 BN_free(ctx
->rsa_pubexp
);
411 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
412 const EVP_PKEY_METHOD
*meth
)
415 *ppkey_id
= meth
->pkey_id
;
417 *pflags
= meth
->flags
;
420 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
422 int pkey_id
= dst
->pkey_id
;
423 int flags
= dst
->flags
;
427 /* We only copy the function pointers so restore the other values */
428 dst
->pkey_id
= pkey_id
;
432 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
434 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
438 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
440 return int_ctx_new(NULL
, pkey
, e
, NULL
, NULL
, -1);
443 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
445 return int_ctx_new(NULL
, NULL
, e
, NULL
, NULL
, id
);
448 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(const EVP_PKEY_CTX
*pctx
)
452 if (((pctx
->pmeth
== NULL
) || (pctx
->pmeth
->copy
== NULL
))
453 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)
454 && pctx
->op
.kex
.exchprovctx
== NULL
)
455 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)
456 && pctx
->op
.sig
.sigprovctx
== NULL
)))
458 # ifndef OPENSSL_NO_ENGINE
459 /* Make sure it's safe to copy a pkey context using an ENGINE */
460 if (pctx
->engine
&& !ENGINE_init(pctx
->engine
)) {
461 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_ENGINE_LIB
);
465 rctx
= OPENSSL_zalloc(sizeof(*rctx
));
467 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_MALLOC_FAILURE
);
471 if (pctx
->pkey
!= NULL
)
472 EVP_PKEY_up_ref(pctx
->pkey
);
473 rctx
->pkey
= pctx
->pkey
;
474 rctx
->operation
= pctx
->operation
;
475 rctx
->libctx
= pctx
->libctx
;
476 rctx
->keytype
= pctx
->keytype
;
477 rctx
->propquery
= pctx
->propquery
;
479 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)) {
480 if (pctx
->op
.kex
.exchange
!= NULL
) {
481 rctx
->op
.kex
.exchange
= pctx
->op
.kex
.exchange
;
482 if (!EVP_KEYEXCH_up_ref(rctx
->op
.kex
.exchange
)) {
487 if (pctx
->op
.kex
.exchprovctx
!= NULL
) {
488 if (!ossl_assert(pctx
->op
.kex
.exchange
!= NULL
))
490 rctx
->op
.kex
.exchprovctx
491 = pctx
->op
.kex
.exchange
->dupctx(pctx
->op
.kex
.exchprovctx
);
492 if (rctx
->op
.kex
.exchprovctx
== NULL
) {
493 EVP_KEYEXCH_free(rctx
->op
.kex
.exchange
);
499 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)) {
500 if (pctx
->op
.sig
.signature
!= NULL
) {
501 rctx
->op
.sig
.signature
= pctx
->op
.sig
.signature
;
502 if (!EVP_SIGNATURE_up_ref(rctx
->op
.sig
.signature
)) {
507 if (pctx
->op
.sig
.sigprovctx
!= NULL
) {
508 if (!ossl_assert(pctx
->op
.sig
.signature
!= NULL
))
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
);
519 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx
)) {
520 if (pctx
->op
.ciph
.cipher
!= NULL
) {
521 rctx
->op
.ciph
.cipher
= pctx
->op
.ciph
.cipher
;
522 if (!EVP_ASYM_CIPHER_up_ref(rctx
->op
.ciph
.cipher
)) {
527 if (pctx
->op
.ciph
.ciphprovctx
!= NULL
) {
528 if (!ossl_assert(pctx
->op
.ciph
.cipher
!= NULL
))
530 rctx
->op
.ciph
.ciphprovctx
531 = pctx
->op
.ciph
.cipher
->dupctx(pctx
->op
.ciph
.ciphprovctx
);
532 if (rctx
->op
.ciph
.ciphprovctx
== NULL
) {
533 EVP_ASYM_CIPHER_free(rctx
->op
.ciph
.cipher
);
539 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx
)) {
540 if (pctx
->op
.encap
.kem
!= NULL
) {
541 rctx
->op
.encap
.kem
= pctx
->op
.encap
.kem
;
542 if (!EVP_KEM_up_ref(rctx
->op
.encap
.kem
)) {
547 if (pctx
->op
.encap
.kemprovctx
!= NULL
) {
548 if (!ossl_assert(pctx
->op
.encap
.kem
!= NULL
))
550 rctx
->op
.encap
.kemprovctx
551 = pctx
->op
.encap
.kem
->dupctx(pctx
->op
.encap
.kemprovctx
);
552 if (rctx
->op
.encap
.kemprovctx
== NULL
) {
553 EVP_KEM_free(rctx
->op
.encap
.kem
);
561 rctx
->pmeth
= pctx
->pmeth
;
562 # ifndef OPENSSL_NO_ENGINE
563 rctx
->engine
= pctx
->engine
;
567 EVP_PKEY_up_ref(pctx
->peerkey
);
568 rctx
->peerkey
= pctx
->peerkey
;
570 if (pctx
->pmeth
->copy(rctx
, pctx
) > 0)
574 EVP_PKEY_CTX_free(rctx
);
579 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
581 if (app_pkey_methods
== NULL
) {
582 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
583 if (app_pkey_methods
== NULL
){
584 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
588 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
589 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
592 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
596 void evp_app_cleanup_int(void)
598 if (app_pkey_methods
!= NULL
)
599 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
602 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
604 const EVP_PKEY_METHOD
*ret
;
606 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
608 return ret
== NULL
? 0 : 1;
611 size_t EVP_PKEY_meth_get_count(void)
613 size_t rv
= OSSL_NELEM(standard_methods
);
615 if (app_pkey_methods
)
616 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
620 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
622 if (idx
< OSSL_NELEM(standard_methods
))
623 return (standard_methods
[idx
])();
624 if (app_pkey_methods
== NULL
)
626 idx
-= OSSL_NELEM(standard_methods
);
627 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
629 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
633 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
635 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
636 && ctx
->op
.kex
.exchprovctx
!= NULL
637 && ctx
->op
.kex
.exchange
!= NULL
638 && ctx
->op
.kex
.exchange
->set_ctx_params
!= NULL
)
639 return ctx
->op
.kex
.exchange
->set_ctx_params(ctx
->op
.kex
.exchprovctx
,
641 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
642 && ctx
->op
.sig
.sigprovctx
!= NULL
643 && ctx
->op
.sig
.signature
!= NULL
644 && ctx
->op
.sig
.signature
->set_ctx_params
!= NULL
)
645 return ctx
->op
.sig
.signature
->set_ctx_params(ctx
->op
.sig
.sigprovctx
,
647 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
648 && ctx
->op
.ciph
.ciphprovctx
!= NULL
649 && ctx
->op
.ciph
.cipher
!= NULL
650 && ctx
->op
.ciph
.cipher
->set_ctx_params
!= NULL
)
651 return ctx
->op
.ciph
.cipher
->set_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
653 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
654 && ctx
->op
.keymgmt
.genctx
!= NULL
655 && ctx
->keymgmt
!= NULL
656 && ctx
->keymgmt
->gen_set_params
!= NULL
)
657 return evp_keymgmt_gen_set_params(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
,
659 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
660 && ctx
->op
.encap
.kemprovctx
!= NULL
661 && ctx
->op
.encap
.kem
!= NULL
662 && ctx
->op
.encap
.kem
->set_ctx_params
!= NULL
)
663 return ctx
->op
.encap
.kem
->set_ctx_params(ctx
->op
.encap
.kemprovctx
,
668 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
670 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
671 && ctx
->op
.kex
.exchprovctx
!= NULL
672 && ctx
->op
.kex
.exchange
!= NULL
673 && ctx
->op
.kex
.exchange
->get_ctx_params
!= NULL
)
674 return ctx
->op
.kex
.exchange
->get_ctx_params(ctx
->op
.kex
.exchprovctx
,
676 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
677 && ctx
->op
.sig
.sigprovctx
!= NULL
678 && ctx
->op
.sig
.signature
!= NULL
679 && ctx
->op
.sig
.signature
->get_ctx_params
!= NULL
)
680 return ctx
->op
.sig
.signature
->get_ctx_params(ctx
->op
.sig
.sigprovctx
,
682 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
683 && ctx
->op
.ciph
.ciphprovctx
!= NULL
684 && ctx
->op
.ciph
.cipher
!= NULL
685 && ctx
->op
.ciph
.cipher
->get_ctx_params
!= NULL
)
686 return ctx
->op
.ciph
.cipher
->get_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
688 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
689 && ctx
->op
.encap
.kemprovctx
!= NULL
690 && ctx
->op
.encap
.kem
!= NULL
691 && ctx
->op
.encap
.kem
->get_ctx_params
!= NULL
)
692 return ctx
->op
.encap
.kem
->get_ctx_params(ctx
->op
.encap
.kemprovctx
,
698 const OSSL_PARAM
*EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX
*ctx
)
702 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
703 && ctx
->op
.kex
.exchange
!= NULL
704 && ctx
->op
.kex
.exchange
->gettable_ctx_params
!= NULL
) {
705 provctx
= ossl_provider_ctx(EVP_KEYEXCH_provider(ctx
->op
.kex
.exchange
));
706 return ctx
->op
.kex
.exchange
->gettable_ctx_params(provctx
);
708 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
709 && ctx
->op
.sig
.signature
!= NULL
710 && ctx
->op
.sig
.signature
->gettable_ctx_params
!= NULL
) {
711 provctx
= ossl_provider_ctx(
712 EVP_SIGNATURE_provider(ctx
->op
.sig
.signature
));
713 return ctx
->op
.sig
.signature
->gettable_ctx_params(provctx
);
715 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
716 && ctx
->op
.ciph
.cipher
!= NULL
717 && ctx
->op
.ciph
.cipher
->gettable_ctx_params
!= NULL
) {
718 provctx
= ossl_provider_ctx(
719 EVP_ASYM_CIPHER_provider(ctx
->op
.ciph
.cipher
));
720 return ctx
->op
.ciph
.cipher
->gettable_ctx_params(provctx
);
722 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
723 && ctx
->op
.encap
.kem
!= NULL
724 && ctx
->op
.encap
.kem
->gettable_ctx_params
!= NULL
) {
725 provctx
= ossl_provider_ctx(EVP_KEM_provider(ctx
->op
.encap
.kem
));
726 return ctx
->op
.encap
.kem
->gettable_ctx_params(provctx
);
731 const OSSL_PARAM
*EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX
*ctx
)
735 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
736 && ctx
->op
.kex
.exchange
!= NULL
737 && ctx
->op
.kex
.exchange
->settable_ctx_params
!= NULL
) {
738 provctx
= ossl_provider_ctx(EVP_KEYEXCH_provider(ctx
->op
.kex
.exchange
));
739 return ctx
->op
.kex
.exchange
->settable_ctx_params(provctx
);
741 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
742 && ctx
->op
.sig
.signature
!= NULL
743 && ctx
->op
.sig
.signature
->settable_ctx_params
!= NULL
) {
744 provctx
= ossl_provider_ctx(
745 EVP_SIGNATURE_provider(ctx
->op
.sig
.signature
));
746 return ctx
->op
.sig
.signature
->settable_ctx_params(provctx
);
748 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
749 && ctx
->op
.ciph
.cipher
!= NULL
750 && ctx
->op
.ciph
.cipher
->settable_ctx_params
!= NULL
) {
751 provctx
= ossl_provider_ctx(
752 EVP_ASYM_CIPHER_provider(ctx
->op
.ciph
.cipher
));
753 return ctx
->op
.ciph
.cipher
->settable_ctx_params(provctx
);
755 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
756 && ctx
->keymgmt
!= NULL
)
757 return EVP_KEYMGMT_gen_settable_params(ctx
->keymgmt
);
758 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
759 && ctx
->op
.encap
.kem
!= NULL
760 && ctx
->op
.encap
.kem
->settable_ctx_params
!= NULL
) {
761 provctx
= ossl_provider_ctx(EVP_KEM_provider(ctx
->op
.encap
.kem
));
762 return ctx
->op
.encap
.kem
->settable_ctx_params(provctx
);
768 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
770 * Return 1 on success, 0 or negative for errors.
772 * In particular they return -2 if any of the params is not supported.
774 * They are not available in FIPS_MODULE as they depend on
775 * - EVP_PKEY_CTX_{get,set}_params()
776 * - EVP_PKEY_CTX_{gettable,settable}_params()
779 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
783 if (ctx
== NULL
|| params
== NULL
)
786 for (p
= params
; p
->key
!= NULL
; p
++) {
787 /* Check the ctx actually understands this parameter */
788 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx
),
793 return EVP_PKEY_CTX_set_params(ctx
, params
);
796 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
800 if (ctx
== NULL
|| params
== NULL
)
803 for (p
= params
; p
->key
!= NULL
; p
++ ) {
804 /* Check the ctx actually understands this parameter */
805 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx
),
810 return EVP_PKEY_CTX_get_params(ctx
, params
);
813 # ifndef OPENSSL_NO_DH
814 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX
*ctx
, int pad
)
816 OSSL_PARAM dh_pad_params
[2];
817 unsigned int upad
= pad
;
819 /* We use EVP_PKEY_CTX_ctrl return values */
820 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
821 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
825 /* TODO(3.0): Remove this eventually when no more legacy */
826 if (ctx
->op
.kex
.exchprovctx
== NULL
)
827 return EVP_PKEY_CTX_ctrl(ctx
, EVP_PKEY_DH
, EVP_PKEY_OP_DERIVE
,
828 EVP_PKEY_CTRL_DH_PAD
, pad
, NULL
);
830 dh_pad_params
[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD
, &upad
);
831 dh_pad_params
[1] = OSSL_PARAM_construct_end();
833 return EVP_PKEY_CTX_set_params(ctx
, dh_pad_params
);
837 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
**md
)
839 OSSL_PARAM sig_md_params
[2], *p
= sig_md_params
;
840 /* 80 should be big enough */
844 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
845 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
846 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
850 /* TODO(3.0): Remove this eventually when no more legacy */
851 if (ctx
->op
.sig
.sigprovctx
== NULL
)
852 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
853 EVP_PKEY_CTRL_GET_MD
, 0, (void *)(md
));
855 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
858 *p
= OSSL_PARAM_construct_end();
860 if (!EVP_PKEY_CTX_get_params(ctx
, sig_md_params
))
863 tmp
= evp_get_digestbyname_ex(ctx
->libctx
, name
);
872 static int evp_pkey_ctx_set_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
,
873 int fallback
, const char *param
, int op
,
876 OSSL_PARAM md_params
[2], *p
= md_params
;
879 if (ctx
== NULL
|| (ctx
->operation
& op
) == 0) {
880 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
881 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
885 /* TODO(3.0): Remove this eventually when no more legacy */
887 return EVP_PKEY_CTX_ctrl(ctx
, -1, op
, ctrl
, 0, (void *)(md
));
892 name
= EVP_MD_name(md
);
895 *p
++ = OSSL_PARAM_construct_utf8_string(param
,
897 * Cast away the const. This is read
898 * only so should be safe
901 *p
= OSSL_PARAM_construct_end();
903 return EVP_PKEY_CTX_set_params(ctx
, md_params
);
906 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
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
);
913 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
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
);
920 static 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
,
925 OSSL_PARAM octet_string_params
[2], *p
= octet_string_params
;
927 if (ctx
== NULL
|| (ctx
->operation
& op
) == 0) {
928 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
929 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
933 /* TODO(3.0): Remove this eventually when no more legacy */
935 return EVP_PKEY_CTX_ctrl(ctx
, -1, op
, ctrl
, datalen
, (void *)(data
));
938 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_LENGTH
);
942 *p
++ = OSSL_PARAM_construct_octet_string(param
,
944 * Cast away the const. This is read
945 * only so should be safe
947 (unsigned char *)data
,
949 *p
= OSSL_PARAM_construct_end();
951 return EVP_PKEY_CTX_set_params(ctx
, octet_string_params
);
954 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX
*ctx
,
955 const unsigned char *sec
, int seclen
)
957 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
958 OSSL_KDF_PARAM_SECRET
,
960 EVP_PKEY_CTRL_TLS_SECRET
,
964 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX
*ctx
,
965 const unsigned char *seed
, int seedlen
)
967 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
970 EVP_PKEY_CTRL_TLS_SEED
,
974 int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
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
);
981 int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX
*ctx
,
982 const unsigned char *salt
, int saltlen
)
984 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
987 EVP_PKEY_CTRL_HKDF_SALT
,
991 int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX
*ctx
,
992 const unsigned char *key
, int keylen
)
994 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
997 EVP_PKEY_CTRL_HKDF_KEY
,
1001 int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX
*ctx
,
1002 const unsigned char *info
, int infolen
)
1004 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
1005 OSSL_KDF_PARAM_INFO
,
1007 EVP_PKEY_CTRL_HKDF_INFO
,
1011 int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX
*ctx
, int mode
)
1013 OSSL_PARAM int_params
[2], *p
= int_params
;
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 */
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
,
1024 EVP_PKEY_CTRL_HKDF_MODE
, mode
, NULL
);
1028 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_VALUE
);
1032 *p
++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE
, &mode
);
1033 *p
= OSSL_PARAM_construct_end();
1035 return EVP_PKEY_CTX_set_params(ctx
, int_params
);
1038 int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX
*ctx
, const char *pass
,
1041 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
1042 OSSL_KDF_PARAM_PASSWORD
,
1045 (const unsigned char *)pass
, passlen
);
1048 int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX
*ctx
,
1049 const unsigned char *salt
, int saltlen
)
1051 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
1052 OSSL_KDF_PARAM_SALT
,
1054 EVP_PKEY_CTRL_SCRYPT_SALT
,
1058 static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX
*ctx
, const char *param
,
1059 int op
, int ctrl
, uint64_t val
)
1061 OSSL_PARAM uint64_params
[2], *p
= uint64_params
;
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 */
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
);
1073 *p
++ = OSSL_PARAM_construct_uint64(param
, &val
);
1074 *p
= OSSL_PARAM_construct_end();
1076 return EVP_PKEY_CTX_set_params(ctx
, uint64_params
);
1079 int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX
*ctx
, uint64_t n
)
1081 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_N
,
1082 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_N
,
1086 int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX
*ctx
, uint64_t r
)
1088 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_R
,
1089 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_R
,
1093 int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX
*ctx
, uint64_t p
)
1095 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_P
,
1096 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_P
,
1100 int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX
*ctx
,
1101 uint64_t maxmem_bytes
)
1103 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_MAXMEM
,
1105 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES
,
1109 int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX
*ctx
, const unsigned char *key
,
1112 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.keymgmt
.genctx
== NULL
,
1113 OSSL_PKEY_PARAM_PRIV_KEY
,
1115 EVP_PKEY_CTRL_SET_MAC_KEY
,
1119 int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX
*ctx
, const char *op
)
1121 OSSL_PARAM params
[2], *p
= params
;
1123 if (ctx
== NULL
|| op
== NULL
) {
1124 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_VALUE
);
1127 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx
)) {
1128 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1131 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION
,
1133 *p
= OSSL_PARAM_construct_end();
1134 return EVP_PKEY_CTX_set_params(ctx
, params
);
1137 int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX
*ctx
, const void *id
, int len
)
1139 OSSL_PARAM params
[2], *p
= params
;
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 */
1148 *p
++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID
,
1150 * Cast away the const. This is
1151 * read only so should be safe
1153 (void *)id
, (size_t)len
);
1154 *p
++ = OSSL_PARAM_construct_end();
1156 ret
= evp_pkey_ctx_set_params_strict(ctx
, params
);
1158 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1162 int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX
*ctx
, const void *id
, int len
)
1164 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1,
1165 EVP_PKEY_CTRL_SET1_ID
, (int)len
, (void*)(id
));
1168 static int get1_id_data(EVP_PKEY_CTX
*ctx
, void *id
, size_t *id_len
)
1171 void *tmp_id
= NULL
;
1172 OSSL_PARAM params
[2], *p
= params
;
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 */
1180 *p
++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID
,
1182 *p
++ = OSSL_PARAM_construct_end();
1184 ret
= evp_pkey_ctx_get_params_strict(ctx
, params
);
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
;
1191 memcpy(id
, tmp_id
, tmp_id_len
);
1193 *id_len
= tmp_id_len
;
1198 int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX
*ctx
, void *id
)
1200 return get1_id_data(ctx
, id
, NULL
);
1203 int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX
*ctx
, size_t *id_len
)
1205 return get1_id_data(ctx
, NULL
, id_len
);
1208 int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX
*ctx
, void *id
)
1210 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1, EVP_PKEY_CTRL_GET1_ID
, 0, (void*)id
);
1213 int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX
*ctx
, size_t *id_len
)
1215 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1,
1216 EVP_PKEY_CTRL_GET1_ID_LEN
, 0, (void*)id_len
);
1219 static int legacy_ctrl_to_param(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1220 int cmd
, int p1
, void *p2
)
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
);
1231 # ifndef OPENSSL_NO_DH
1232 if (keytype
== EVP_PKEY_DHX
) {
1234 case EVP_PKEY_CTRL_DH_KDF_TYPE
:
1235 return EVP_PKEY_CTX_set_dh_kdf_type(ctx
, p1
);
1236 case EVP_PKEY_CTRL_DH_KDF_MD
:
1237 return EVP_PKEY_CTX_set_dh_kdf_md(ctx
, p2
);
1238 case EVP_PKEY_CTRL_DH_KDF_OUTLEN
:
1239 return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx
, p1
);
1240 case EVP_PKEY_CTRL_DH_KDF_UKM
:
1241 return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx
, p2
, p1
);
1242 case EVP_PKEY_CTRL_DH_KDF_OID
:
1243 return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx
, p2
);
1244 case EVP_PKEY_CTRL_GET_DH_KDF_MD
:
1245 return EVP_PKEY_CTX_get_dh_kdf_md(ctx
, p2
);
1246 case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN
:
1247 return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx
, p2
);
1248 case EVP_PKEY_CTRL_GET_DH_KDF_UKM
:
1249 return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx
, p2
);
1250 case EVP_PKEY_CTRL_GET_DH_KDF_OID
:
1251 return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx
, p2
);
1254 if (keytype
== EVP_PKEY_DH
) {
1256 case EVP_PKEY_CTRL_DH_PAD
:
1257 return EVP_PKEY_CTX_set_dh_pad(ctx
, p1
);
1258 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN
:
1259 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx
, p1
);
1260 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN
:
1261 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx
, p1
);
1262 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR
:
1263 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx
, p1
);
1264 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE
:
1265 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx
, p1
);
1266 case EVP_PKEY_CTRL_DH_RFC5114
:
1267 return EVP_PKEY_CTX_set_dh_rfc5114(ctx
, p1
);
1271 # ifndef OPENSSL_NO_DSA
1272 if (keytype
== EVP_PKEY_DSA
) {
1274 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS
:
1275 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx
, p1
);
1276 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS
:
1277 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx
, p1
);
1278 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD
:
1279 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx
, p2
);
1283 # ifndef OPENSSL_NO_EC
1284 if (keytype
== EVP_PKEY_EC
) {
1286 case EVP_PKEY_CTRL_EC_PARAM_ENC
:
1287 return evp_pkey_ctx_set_ec_param_enc_prov(ctx
, p1
);
1288 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID
:
1289 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx
, p1
);
1290 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR
:
1292 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx
);
1293 } else if (p1
< -1 || p1
> 1) {
1294 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1297 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx
, p1
);
1299 case EVP_PKEY_CTRL_EC_KDF_TYPE
:
1301 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx
);
1303 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx
, p1
);
1305 case EVP_PKEY_CTRL_GET_EC_KDF_MD
:
1306 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx
, p2
);
1307 case EVP_PKEY_CTRL_EC_KDF_MD
:
1308 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx
, p2
);
1309 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN
:
1310 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx
, p2
);
1311 case EVP_PKEY_CTRL_EC_KDF_OUTLEN
:
1312 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx
, p1
);
1313 case EVP_PKEY_CTRL_GET_EC_KDF_UKM
:
1314 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx
, p2
);
1315 case EVP_PKEY_CTRL_EC_KDF_UKM
:
1316 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx
, p2
, p1
);
1320 if (keytype
== EVP_PKEY_RSA
) {
1322 case EVP_PKEY_CTRL_RSA_OAEP_MD
:
1323 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
1324 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD
:
1325 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
1326 case EVP_PKEY_CTRL_RSA_MGF1_MD
:
1327 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
1328 case EVP_PKEY_CTRL_RSA_OAEP_LABEL
:
1329 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, p2
, p1
);
1330 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL
:
1331 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx
, (unsigned char **)p2
);
1332 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS
:
1333 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx
, p1
);
1334 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP
:
1335 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx
, p2
);
1336 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES
:
1337 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx
, p1
);
1341 * keytype == -1 is used when several key types share the same structure,
1342 * or for generic controls that are the same across multiple key types.
1344 if (keytype
== -1) {
1345 if (optype
== EVP_PKEY_OP_DERIVE
) {
1348 case EVP_PKEY_CTRL_TLS_MD
:
1349 return EVP_PKEY_CTX_set_tls1_prf_md(ctx
, p2
);
1350 case EVP_PKEY_CTRL_TLS_SECRET
:
1351 return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx
, p2
, p1
);
1352 case EVP_PKEY_CTRL_TLS_SEED
:
1353 return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx
, p2
, p1
);
1356 case EVP_PKEY_CTRL_HKDF_MD
:
1357 return EVP_PKEY_CTX_set_hkdf_md(ctx
, p2
);
1358 case EVP_PKEY_CTRL_HKDF_SALT
:
1359 return EVP_PKEY_CTX_set1_hkdf_salt(ctx
, p2
, p1
);
1360 case EVP_PKEY_CTRL_HKDF_KEY
:
1361 return EVP_PKEY_CTX_set1_hkdf_key(ctx
, p2
, p1
);
1362 case EVP_PKEY_CTRL_HKDF_INFO
:
1363 return EVP_PKEY_CTX_add1_hkdf_info(ctx
, p2
, p1
);
1364 case EVP_PKEY_CTRL_HKDF_MODE
:
1365 return EVP_PKEY_CTX_hkdf_mode(ctx
, p1
);
1368 case EVP_PKEY_CTRL_PASS
:
1369 return EVP_PKEY_CTX_set1_pbe_pass(ctx
, p2
, p1
);
1370 case EVP_PKEY_CTRL_SCRYPT_SALT
:
1371 return EVP_PKEY_CTX_set1_scrypt_salt(ctx
, p2
, p1
);
1372 case EVP_PKEY_CTRL_SCRYPT_N
:
1373 return EVP_PKEY_CTX_set_scrypt_N(ctx
, p1
);
1374 case EVP_PKEY_CTRL_SCRYPT_R
:
1375 return EVP_PKEY_CTX_set_scrypt_r(ctx
, p1
);
1376 case EVP_PKEY_CTRL_SCRYPT_P
:
1377 return EVP_PKEY_CTX_set_scrypt_p(ctx
, p1
);
1378 case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES
:
1379 return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx
, p1
);
1381 } else if (optype
== EVP_PKEY_OP_KEYGEN
) {
1382 OSSL_PARAM params
[2], *p
= params
;
1385 case EVP_PKEY_CTRL_CIPHER
:
1387 char *ciphname
= (char *)EVP_CIPHER_name(p2
);
1389 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER
,
1391 *p
= OSSL_PARAM_construct_end();
1393 return EVP_PKEY_CTX_set_params(ctx
, params
);
1395 case EVP_PKEY_CTRL_SET_MAC_KEY
:
1397 *p
++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY
,
1399 *p
= OSSL_PARAM_construct_end();
1401 return EVP_PKEY_CTX_set_params(ctx
, params
);
1406 case EVP_PKEY_CTRL_MD
:
1407 return EVP_PKEY_CTX_set_signature_md(ctx
, p2
);
1408 case EVP_PKEY_CTRL_GET_MD
:
1409 return EVP_PKEY_CTX_get_signature_md(ctx
, p2
);
1410 case EVP_PKEY_CTRL_RSA_PADDING
:
1411 return EVP_PKEY_CTX_set_rsa_padding(ctx
, p1
);
1412 case EVP_PKEY_CTRL_GET_RSA_PADDING
:
1413 return EVP_PKEY_CTX_get_rsa_padding(ctx
, p2
);
1414 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD
:
1415 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
1416 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN
:
1417 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx
, p1
);
1418 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN
:
1419 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx
, p2
);
1420 case EVP_PKEY_CTRL_PKCS7_ENCRYPT
:
1421 case EVP_PKEY_CTRL_PKCS7_DECRYPT
:
1422 # ifndef OPENSSL_NO_CMS
1423 case EVP_PKEY_CTRL_CMS_DECRYPT
:
1424 case EVP_PKEY_CTRL_CMS_ENCRYPT
:
1426 /* TODO (3.0) Temporary hack, this should probe */
1427 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx
), "RSASSA-PSS"))
1429 ERR_raise(ERR_LIB_EVP
,
1430 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
1436 * GOST CMS format is different for different cipher algorithms.
1437 * Most of other algorithms don't have such a difference
1438 * so this ctrl is just ignored.
1440 if (cmd
== EVP_PKEY_CTRL_CIPHER
)
1446 static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1447 int cmd
, int p1
, void *p2
)
1452 * If the method has a |digest_custom| function, we can relax the
1453 * operation type check, since this can be called before the operation
1456 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->digest_custom
== NULL
) {
1457 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
1458 EVPerr(0, EVP_R_NO_OPERATION_SET
);
1462 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
1463 EVPerr(0, EVP_R_INVALID_OPERATION
);
1468 switch (evp_pkey_ctx_state(ctx
)) {
1469 case EVP_PKEY_STATE_PROVIDER
:
1470 return legacy_ctrl_to_param(ctx
, keytype
, optype
, cmd
, p1
, p2
);
1471 case EVP_PKEY_STATE_UNKNOWN
:
1472 case EVP_PKEY_STATE_LEGACY
:
1473 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl
== NULL
) {
1474 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED
);
1477 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
1480 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
1483 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED
);
1489 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1490 int cmd
, int p1
, void *p2
)
1495 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED
);
1498 /* If unsupported, we don't want that reported here */
1500 ret
= evp_pkey_ctx_store_cached_data(ctx
, keytype
, optype
,
1505 ERR_clear_last_mark();
1507 * If there was an error, there was an error.
1508 * If the operation isn't initialized yet, we also return, as
1509 * the saved values will be used then anyway.
1511 if (ret
< 1 || ctx
->operation
== EVP_PKEY_OP_UNDEFINED
)
1514 return evp_pkey_ctx_ctrl_int(ctx
, keytype
, optype
, cmd
, p1
, p2
);
1517 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1518 int cmd
, uint64_t value
)
1520 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
1523 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX
*ctx
, const char *name
,
1526 if (strcmp(name
, "md") == 0)
1527 name
= OSSL_ALG_PARAM_DIGEST
;
1528 else if (strcmp(name
, "rsa_padding_mode") == 0)
1529 name
= OSSL_ASYM_CIPHER_PARAM_PAD_MODE
;
1530 else if (strcmp(name
, "rsa_mgf1_md") == 0)
1531 name
= OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST
;
1532 else if (strcmp(name
, "rsa_oaep_md") == 0)
1533 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST
;
1534 else if (strcmp(name
, "rsa_oaep_label") == 0)
1535 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL
;
1536 else if (strcmp(name
, "rsa_pss_saltlen") == 0)
1537 name
= OSSL_SIGNATURE_PARAM_PSS_SALTLEN
;
1538 else if (strcmp(name
, "rsa_keygen_bits") == 0)
1539 name
= OSSL_PKEY_PARAM_RSA_BITS
;
1540 else if (strcmp(name
, "rsa_keygen_pubexp") == 0)
1541 name
= OSSL_PKEY_PARAM_RSA_E
;
1542 else if (strcmp(name
, "rsa_keygen_primes") == 0)
1543 name
= OSSL_PKEY_PARAM_RSA_PRIMES
;
1544 else if (strcmp(name
, "rsa_pss_keygen_md") == 0)
1545 name
= OSSL_PKEY_PARAM_RSA_DIGEST
;
1546 else if (strcmp(name
, "rsa_pss_keygen_mgf1_md") == 0)
1547 name
= OSSL_PKEY_PARAM_RSA_MGF1_DIGEST
;
1548 else if (strcmp(name
, "rsa_pss_keygen_saltlen") == 0)
1549 name
= OSSL_PKEY_PARAM_RSA_PSS_SALTLEN
;
1550 # ifndef OPENSSL_NO_DSA
1551 else if (strcmp(name
, "dsa_paramgen_bits") == 0)
1552 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1553 else if (strcmp(name
, "dsa_paramgen_q_bits") == 0)
1554 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1555 else if (strcmp(name
, "dsa_paramgen_md") == 0)
1556 name
= OSSL_PKEY_PARAM_FFC_DIGEST
;
1558 # ifndef OPENSSL_NO_DH
1559 else if (strcmp(name
, "dh_paramgen_generator") == 0)
1560 name
= OSSL_PKEY_PARAM_DH_GENERATOR
;
1561 else if (strcmp(name
, "dh_paramgen_prime_len") == 0)
1562 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1563 else if (strcmp(name
, "dh_paramgen_subprime_len") == 0)
1564 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1565 else if (strcmp(name
, "dh_paramgen_type") == 0) {
1566 name
= OSSL_PKEY_PARAM_FFC_TYPE
;
1567 value
= dh_gen_type_id2name(atoi(value
));
1568 } else if (strcmp(name
, "dh_param") == 0)
1569 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1570 else if (strcmp(name
, "dh_rfc5114") == 0) {
1571 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1572 value
= ossl_ffc_named_group_from_uid(atoi(value
));
1573 } else if (strcmp(name
, "dh_pad") == 0)
1574 name
= OSSL_EXCHANGE_PARAM_PAD
;
1576 # ifndef OPENSSL_NO_EC
1577 else if (strcmp(name
, "ec_paramgen_curve") == 0)
1578 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1579 else if (strcmp(name
, "ecdh_cofactor_mode") == 0)
1580 name
= OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE
;
1581 else if (strcmp(name
, "ecdh_kdf_md") == 0)
1582 name
= OSSL_EXCHANGE_PARAM_KDF_DIGEST
;
1583 else if (strcmp(name
, "ec_param_enc") == 0)
1584 name
= OSSL_PKEY_PARAM_EC_ENCODING
;
1586 else if (strcmp(name
, "N") == 0)
1587 name
= OSSL_KDF_PARAM_SCRYPT_N
;
1591 * TODO(3.0) reduce the code above to only translate known legacy
1592 * string to the corresponding core name (see core_names.h), but
1593 * otherwise leave it to this code block to do the actual work.
1595 const OSSL_PARAM
*settable
= EVP_PKEY_CTX_settable_params(ctx
);
1596 OSSL_PARAM params
[2] = { OSSL_PARAM_END
, OSSL_PARAM_END
};
1600 if (!OSSL_PARAM_allocate_from_text(¶ms
[0], settable
, name
, value
,
1601 strlen(value
), &exists
)) {
1603 ERR_raise_data(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
,
1604 "name=%s,value=%s", name
, value
);
1609 if (EVP_PKEY_CTX_set_params(ctx
, params
))
1611 OPENSSL_free(params
[0].data
);
1616 static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX
*ctx
,
1617 const char *name
, const char *value
)
1622 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED
);
1626 switch (evp_pkey_ctx_state(ctx
)) {
1627 case EVP_PKEY_STATE_PROVIDER
:
1628 return legacy_ctrl_str_to_param(ctx
, name
, value
);
1629 case EVP_PKEY_STATE_UNKNOWN
:
1630 case EVP_PKEY_STATE_LEGACY
:
1631 if (ctx
== NULL
|| ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl_str
== NULL
) {
1632 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED
);
1635 if (strcmp(name
, "digest") == 0)
1636 ret
= EVP_PKEY_CTX_md(ctx
,
1637 EVP_PKEY_OP_TYPE_SIG
| EVP_PKEY_OP_TYPE_CRYPT
,
1638 EVP_PKEY_CTRL_MD
, value
);
1640 ret
= ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
1647 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
1648 const char *name
, const char *value
)
1652 /* If unsupported, we don't want that reported here */
1654 ret
= evp_pkey_ctx_store_cached_data(ctx
, -1, -1, -1,
1655 name
, value
, strlen(value
) + 1);
1659 ERR_clear_last_mark();
1661 * If there was an error, there was an error.
1662 * If the operation isn't initialized yet, we also return, as
1663 * the saved values will be used then anyway.
1665 if (ret
< 1 || ctx
->operation
== EVP_PKEY_OP_UNDEFINED
)
1669 return evp_pkey_ctx_ctrl_str_int(ctx
, name
, value
);
1672 static int decode_cmd(int cmd
, const char *name
)
1676 * The consequence of the assertion not being true is that this
1677 * function will return -1, which will cause the calling functions
1678 * to signal that the command is unsupported... in non-debug mode.
1680 if (ossl_assert(name
!= NULL
))
1681 if (strcmp(name
, "distid") == 0 || strcmp(name
, "hexdistid") == 0)
1682 cmd
= EVP_PKEY_CTRL_SET1_ID
;
1688 static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX
*ctx
,
1689 int keytype
, int optype
,
1690 int cmd
, const char *name
,
1691 const void *data
, size_t data_len
)
1693 if ((keytype
!= -1 && ctx
->pmeth
->pkey_id
!= keytype
)
1694 || ((optype
!= -1) && !(ctx
->operation
& optype
))) {
1695 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_OPERATION
);
1699 cmd
= decode_cmd(cmd
, name
);
1701 case EVP_PKEY_CTRL_SET1_ID
:
1702 evp_pkey_ctx_free_cached_data(ctx
, cmd
, name
);
1704 ctx
->cached_parameters
.dist_id_name
= OPENSSL_strdup(name
);
1705 if (ctx
->cached_parameters
.dist_id_name
== NULL
) {
1706 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
1711 ctx
->cached_parameters
.dist_id
= OPENSSL_memdup(data
, data_len
);
1712 if (ctx
->cached_parameters
.dist_id
== NULL
) {
1713 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
1717 ctx
->cached_parameters
.dist_id_set
= 1;
1718 ctx
->cached_parameters
.dist_id_len
= data_len
;
1722 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1726 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX
*ctx
,
1727 int cmd
, const char *name
)
1729 cmd
= decode_cmd(cmd
, name
);
1731 case EVP_PKEY_CTRL_SET1_ID
:
1732 OPENSSL_free(ctx
->cached_parameters
.dist_id
);
1733 OPENSSL_free(ctx
->cached_parameters
.dist_id_name
);
1734 ctx
->cached_parameters
.dist_id
= NULL
;
1735 ctx
->cached_parameters
.dist_id_name
= NULL
;
1740 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX
*ctx
)
1742 evp_pkey_ctx_free_cached_data(ctx
, EVP_PKEY_CTRL_SET1_ID
, NULL
);
1745 int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX
*ctx
)
1749 if (ret
&& ctx
->cached_parameters
.dist_id_set
) {
1750 const char *name
= ctx
->cached_parameters
.dist_id_name
;
1751 const void *val
= ctx
->cached_parameters
.dist_id
;
1752 size_t len
= ctx
->cached_parameters
.dist_id_len
;
1755 ret
= evp_pkey_ctx_ctrl_str_int(ctx
, name
, val
);
1757 ret
= evp_pkey_ctx_ctrl_int(ctx
, -1, ctx
->operation
,
1758 EVP_PKEY_CTRL_SET1_ID
,
1759 (int)len
, (void *)val
);
1765 OPENSSL_CTX
*evp_pkey_ctx_get0_libctx(EVP_PKEY_CTX
*ctx
)
1770 const char *evp_pkey_ctx_get0_propq(EVP_PKEY_CTX
*ctx
)
1772 return ctx
->propquery
;
1775 /* Utility functions to send a string of hex string to a ctrl */
1777 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
1784 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
1787 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
1793 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
1796 if (binlen
<= INT_MAX
)
1797 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
1802 /* Pass a message digest to a ctrl */
1803 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
1807 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
1808 EVPerr(EVP_F_EVP_PKEY_CTX_MD
, EVP_R_INVALID_DIGEST
);
1811 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
1814 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
1816 return ctx
->operation
;
1819 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
1821 ctx
->keygen_info
= dat
;
1822 ctx
->keygen_info_count
= datlen
;
1825 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
1830 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX
*ctx
)
1835 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
1840 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
1842 return ctx
->peerkey
;
1845 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
1847 ctx
->app_data
= data
;
1850 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
1852 return ctx
->app_data
;
1855 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
1856 int (*init
) (EVP_PKEY_CTX
*ctx
))
1861 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
1862 int (*copy
) (EVP_PKEY_CTX
*dst
,
1863 const EVP_PKEY_CTX
*src
))
1868 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
1869 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
1871 pmeth
->cleanup
= cleanup
;
1874 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
1875 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
1876 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
1879 pmeth
->paramgen_init
= paramgen_init
;
1880 pmeth
->paramgen
= paramgen
;
1883 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
1884 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
1885 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
1888 pmeth
->keygen_init
= keygen_init
;
1889 pmeth
->keygen
= keygen
;
1892 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
1893 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
1894 int (*sign
) (EVP_PKEY_CTX
*ctx
,
1895 unsigned char *sig
, size_t *siglen
,
1896 const unsigned char *tbs
,
1899 pmeth
->sign_init
= sign_init
;
1903 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
1904 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
1905 int (*verify
) (EVP_PKEY_CTX
*ctx
,
1906 const unsigned char *sig
,
1908 const unsigned char *tbs
,
1911 pmeth
->verify_init
= verify_init
;
1912 pmeth
->verify
= verify
;
1915 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
1916 int (*verify_recover_init
) (EVP_PKEY_CTX
1918 int (*verify_recover
) (EVP_PKEY_CTX
1927 pmeth
->verify_recover_init
= verify_recover_init
;
1928 pmeth
->verify_recover
= verify_recover
;
1931 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
1932 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
1934 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
1939 pmeth
->signctx_init
= signctx_init
;
1940 pmeth
->signctx
= signctx
;
1943 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
1944 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1946 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
1947 const unsigned char *sig
,
1951 pmeth
->verifyctx_init
= verifyctx_init
;
1952 pmeth
->verifyctx
= verifyctx
;
1955 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
1956 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
1957 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
1960 const unsigned char *in
,
1963 pmeth
->encrypt_init
= encrypt_init
;
1964 pmeth
->encrypt
= encryptfn
;
1967 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
1968 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
1969 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
1972 const unsigned char *in
,
1975 pmeth
->decrypt_init
= decrypt_init
;
1976 pmeth
->decrypt
= decrypt
;
1979 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
1980 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
1981 int (*derive
) (EVP_PKEY_CTX
*ctx
,
1985 pmeth
->derive_init
= derive_init
;
1986 pmeth
->derive
= derive
;
1989 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
1990 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1992 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
1997 pmeth
->ctrl_str
= ctrl_str
;
2000 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD
*pmeth
,
2001 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
2002 const unsigned char *tbs
, size_t tbslen
))
2004 pmeth
->digestsign
= digestsign
;
2007 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD
*pmeth
,
2008 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
2009 size_t siglen
, const unsigned char *tbs
,
2012 pmeth
->digestverify
= digestverify
;
2015 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
2016 int (*check
) (EVP_PKEY
*pkey
))
2018 pmeth
->check
= check
;
2021 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
2022 int (*check
) (EVP_PKEY
*pkey
))
2024 pmeth
->public_check
= check
;
2027 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
2028 int (*check
) (EVP_PKEY
*pkey
))
2030 pmeth
->param_check
= check
;
2033 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
2034 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
2037 pmeth
->digest_custom
= digest_custom
;
2040 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
2041 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
2043 *pinit
= pmeth
->init
;
2046 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
2047 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
2048 const EVP_PKEY_CTX
*src
))
2050 *pcopy
= pmeth
->copy
;
2053 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
2054 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
2056 *pcleanup
= pmeth
->cleanup
;
2059 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
2060 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
2061 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
2065 *pparamgen_init
= pmeth
->paramgen_init
;
2067 *pparamgen
= pmeth
->paramgen
;
2070 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
2071 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
2072 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
2076 *pkeygen_init
= pmeth
->keygen_init
;
2078 *pkeygen
= pmeth
->keygen
;
2081 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
2082 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
2083 int (**psign
) (EVP_PKEY_CTX
*ctx
,
2084 unsigned char *sig
, size_t *siglen
,
2085 const unsigned char *tbs
,
2089 *psign_init
= pmeth
->sign_init
;
2091 *psign
= pmeth
->sign
;
2094 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
2095 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
2096 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
2097 const unsigned char *sig
,
2099 const unsigned char *tbs
,
2103 *pverify_init
= pmeth
->verify_init
;
2105 *pverify
= pmeth
->verify
;
2108 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
2109 int (**pverify_recover_init
) (EVP_PKEY_CTX
2111 int (**pverify_recover
) (EVP_PKEY_CTX
2120 if (pverify_recover_init
)
2121 *pverify_recover_init
= pmeth
->verify_recover_init
;
2122 if (pverify_recover
)
2123 *pverify_recover
= pmeth
->verify_recover
;
2126 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
2127 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
2129 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
2135 *psignctx_init
= pmeth
->signctx_init
;
2137 *psignctx
= pmeth
->signctx
;
2140 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
2141 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
2143 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
2144 const unsigned char *sig
,
2148 if (pverifyctx_init
)
2149 *pverifyctx_init
= pmeth
->verifyctx_init
;
2151 *pverifyctx
= pmeth
->verifyctx
;
2154 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
2155 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
2156 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
2159 const unsigned char *in
,
2163 *pencrypt_init
= pmeth
->encrypt_init
;
2165 *pencryptfn
= pmeth
->encrypt
;
2168 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
2169 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
2170 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
2173 const unsigned char *in
,
2177 *pdecrypt_init
= pmeth
->decrypt_init
;
2179 *pdecrypt
= pmeth
->decrypt
;
2182 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
2183 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
2184 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
2189 *pderive_init
= pmeth
->derive_init
;
2191 *pderive
= pmeth
->derive
;
2194 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
2195 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
2197 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
2202 *pctrl
= pmeth
->ctrl
;
2204 *pctrl_str
= pmeth
->ctrl_str
;
2207 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD
*pmeth
,
2208 int (**digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
2209 const unsigned char *tbs
, size_t tbslen
))
2212 *digestsign
= pmeth
->digestsign
;
2215 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD
*pmeth
,
2216 int (**digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
2217 size_t siglen
, const unsigned char *tbs
,
2221 *digestverify
= pmeth
->digestverify
;
2224 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
2225 int (**pcheck
) (EVP_PKEY
*pkey
))
2228 *pcheck
= pmeth
->check
;
2231 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
2232 int (**pcheck
) (EVP_PKEY
*pkey
))
2235 *pcheck
= pmeth
->public_check
;
2238 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
2239 int (**pcheck
) (EVP_PKEY
*pkey
))
2242 *pcheck
= pmeth
->param_check
;
2245 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
2246 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
2249 if (pdigest_custom
!= NULL
)
2250 *pdigest_custom
= pmeth
->digest_custom
;
2253 #endif /* FIPS_MODULE */