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 ERR_raise(ERR_LIB_EVP
, 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(OSSL_LIB_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 ERR_raise(ERR_LIB_EVP
, 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 ERR_raise(ERR_LIB_EVP
, ERR_R_INTERNAL_ERROR
);
289 EVP_KEYMGMT_free(keymgmt
);
298 if (pmeth
== NULL
&& keymgmt
== NULL
) {
299 ERR_raise(ERR_LIB_EVP
, EVP_R_UNSUPPORTED_ALGORITHM
);
301 ret
= OPENSSL_zalloc(sizeof(*ret
));
303 ERR_raise(ERR_LIB_EVP
, 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
);
315 if (propquery
!= NULL
) {
316 ret
->propquery
= OPENSSL_strdup(propquery
);
317 if (ret
->propquery
== NULL
) {
318 EVP_KEYMGMT_free(keymgmt
);
322 ret
->libctx
= libctx
;
323 ret
->keytype
= keytype
;
324 ret
->keymgmt
= keymgmt
;
325 ret
->legacy_keytype
= id
; /* TODO: Remove when #legacy key are gone */
328 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
331 EVP_PKEY_up_ref(pkey
);
333 if (pmeth
!= NULL
&& pmeth
->init
!= NULL
) {
334 if (pmeth
->init(ret
) <= 0) {
336 EVP_PKEY_CTX_free(ret
);
344 /*- All methods below can also be used in FIPS_MODULE */
346 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX
*libctx
,
348 const char *propquery
)
350 return int_ctx_new(libctx
, NULL
, NULL
, name
, propquery
, -1);
353 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX
*libctx
, EVP_PKEY
*pkey
,
354 const char *propquery
)
356 return int_ctx_new(libctx
, pkey
, NULL
, NULL
, propquery
, -1);
359 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX
*ctx
)
361 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
362 if (ctx
->op
.sig
.sigprovctx
!= NULL
&& ctx
->op
.sig
.signature
!= NULL
)
363 ctx
->op
.sig
.signature
->freectx(ctx
->op
.sig
.sigprovctx
);
364 EVP_SIGNATURE_free(ctx
->op
.sig
.signature
);
365 ctx
->op
.sig
.sigprovctx
= NULL
;
366 ctx
->op
.sig
.signature
= NULL
;
367 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
368 if (ctx
->op
.kex
.exchprovctx
!= NULL
&& ctx
->op
.kex
.exchange
!= NULL
)
369 ctx
->op
.kex
.exchange
->freectx(ctx
->op
.kex
.exchprovctx
);
370 EVP_KEYEXCH_free(ctx
->op
.kex
.exchange
);
371 ctx
->op
.kex
.exchprovctx
= NULL
;
372 ctx
->op
.kex
.exchange
= NULL
;
373 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)) {
374 if (ctx
->op
.encap
.kemprovctx
!= NULL
&& ctx
->op
.encap
.kem
!= NULL
)
375 ctx
->op
.encap
.kem
->freectx(ctx
->op
.encap
.kemprovctx
);
376 EVP_KEM_free(ctx
->op
.encap
.kem
);
377 ctx
->op
.encap
.kemprovctx
= NULL
;
378 ctx
->op
.encap
.kem
= NULL
;
380 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)) {
381 if (ctx
->op
.ciph
.ciphprovctx
!= NULL
&& ctx
->op
.ciph
.cipher
!= NULL
)
382 ctx
->op
.ciph
.cipher
->freectx(ctx
->op
.ciph
.ciphprovctx
);
383 EVP_ASYM_CIPHER_free(ctx
->op
.ciph
.cipher
);
384 ctx
->op
.ciph
.ciphprovctx
= NULL
;
385 ctx
->op
.ciph
.cipher
= NULL
;
386 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)) {
387 if (ctx
->op
.keymgmt
.genctx
!= NULL
&& ctx
->keymgmt
!= NULL
)
388 evp_keymgmt_gen_cleanup(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
);
392 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
396 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
397 ctx
->pmeth
->cleanup(ctx
);
399 evp_pkey_ctx_free_old_ops(ctx
);
401 evp_pkey_ctx_free_all_cached_data(ctx
);
403 EVP_KEYMGMT_free(ctx
->keymgmt
);
405 OPENSSL_free(ctx
->propquery
);
406 EVP_PKEY_free(ctx
->pkey
);
407 EVP_PKEY_free(ctx
->peerkey
);
408 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
409 ENGINE_finish(ctx
->engine
);
411 BN_free(ctx
->rsa_pubexp
);
417 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
418 const EVP_PKEY_METHOD
*meth
)
421 *ppkey_id
= meth
->pkey_id
;
423 *pflags
= meth
->flags
;
426 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
428 int pkey_id
= dst
->pkey_id
;
429 int flags
= dst
->flags
;
433 /* We only copy the function pointers so restore the other values */
434 dst
->pkey_id
= pkey_id
;
438 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
440 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
444 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
446 return int_ctx_new(NULL
, pkey
, e
, NULL
, NULL
, -1);
449 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
451 return int_ctx_new(NULL
, NULL
, e
, NULL
, NULL
, id
);
454 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(const EVP_PKEY_CTX
*pctx
)
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 ERR_raise(ERR_LIB_EVP
, ERR_R_ENGINE_LIB
);
465 rctx
= OPENSSL_zalloc(sizeof(*rctx
));
467 ERR_raise(ERR_LIB_EVP
, 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
= NULL
;
478 if (pctx
->propquery
!= NULL
) {
479 rctx
->propquery
= OPENSSL_strdup(pctx
->propquery
);
480 if (rctx
->propquery
== NULL
)
483 rctx
->legacy_keytype
= pctx
->legacy_keytype
;
485 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)) {
486 if (pctx
->op
.kex
.exchange
!= NULL
) {
487 rctx
->op
.kex
.exchange
= pctx
->op
.kex
.exchange
;
488 if (!EVP_KEYEXCH_up_ref(rctx
->op
.kex
.exchange
))
491 if (pctx
->op
.kex
.exchprovctx
!= NULL
) {
492 if (!ossl_assert(pctx
->op
.kex
.exchange
!= NULL
))
494 rctx
->op
.kex
.exchprovctx
495 = pctx
->op
.kex
.exchange
->dupctx(pctx
->op
.kex
.exchprovctx
);
496 if (rctx
->op
.kex
.exchprovctx
== NULL
) {
497 EVP_KEYEXCH_free(rctx
->op
.kex
.exchange
);
502 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)) {
503 if (pctx
->op
.sig
.signature
!= NULL
) {
504 rctx
->op
.sig
.signature
= pctx
->op
.sig
.signature
;
505 if (!EVP_SIGNATURE_up_ref(rctx
->op
.sig
.signature
))
508 if (pctx
->op
.sig
.sigprovctx
!= NULL
) {
509 if (!ossl_assert(pctx
->op
.sig
.signature
!= NULL
))
511 rctx
->op
.sig
.sigprovctx
512 = pctx
->op
.sig
.signature
->dupctx(pctx
->op
.sig
.sigprovctx
);
513 if (rctx
->op
.sig
.sigprovctx
== NULL
) {
514 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
))
525 if (pctx
->op
.ciph
.ciphprovctx
!= NULL
) {
526 if (!ossl_assert(pctx
->op
.ciph
.cipher
!= NULL
))
528 rctx
->op
.ciph
.ciphprovctx
529 = pctx
->op
.ciph
.cipher
->dupctx(pctx
->op
.ciph
.ciphprovctx
);
530 if (rctx
->op
.ciph
.ciphprovctx
== NULL
) {
531 EVP_ASYM_CIPHER_free(rctx
->op
.ciph
.cipher
);
536 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx
)) {
537 if (pctx
->op
.encap
.kem
!= NULL
) {
538 rctx
->op
.encap
.kem
= pctx
->op
.encap
.kem
;
539 if (!EVP_KEM_up_ref(rctx
->op
.encap
.kem
))
542 if (pctx
->op
.encap
.kemprovctx
!= NULL
) {
543 if (!ossl_assert(pctx
->op
.encap
.kem
!= NULL
))
545 rctx
->op
.encap
.kemprovctx
546 = pctx
->op
.encap
.kem
->dupctx(pctx
->op
.encap
.kemprovctx
);
547 if (rctx
->op
.encap
.kemprovctx
== NULL
) {
548 EVP_KEM_free(rctx
->op
.encap
.kem
);
553 } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx
)) {
554 /* Not supported - This would need a gen_dupctx() to work */
558 rctx
->pmeth
= pctx
->pmeth
;
559 # ifndef OPENSSL_NO_ENGINE
560 rctx
->engine
= pctx
->engine
;
563 if (pctx
->peerkey
!= NULL
)
564 EVP_PKEY_up_ref(pctx
->peerkey
);
565 rctx
->peerkey
= pctx
->peerkey
;
567 if (pctx
->pmeth
== NULL
) {
568 if (rctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
569 EVP_KEYMGMT
*tmp_keymgmt
= pctx
->keymgmt
;
572 provkey
= evp_pkey_export_to_provider(pctx
->pkey
, pctx
->libctx
,
573 &tmp_keymgmt
, pctx
->propquery
);
576 if (!EVP_KEYMGMT_up_ref(tmp_keymgmt
))
578 EVP_KEYMGMT_free(rctx
->keymgmt
);
579 rctx
->keymgmt
= tmp_keymgmt
;
582 } else if (pctx
->pmeth
->copy(rctx
, pctx
) > 0) {
587 EVP_PKEY_CTX_free(rctx
);
591 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
593 if (app_pkey_methods
== NULL
) {
594 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
595 if (app_pkey_methods
== NULL
){
596 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
600 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
601 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
604 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
608 void evp_app_cleanup_int(void)
610 if (app_pkey_methods
!= NULL
)
611 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
614 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
616 const EVP_PKEY_METHOD
*ret
;
618 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
620 return ret
== NULL
? 0 : 1;
623 size_t EVP_PKEY_meth_get_count(void)
625 size_t rv
= OSSL_NELEM(standard_methods
);
627 if (app_pkey_methods
)
628 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
632 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
634 if (idx
< OSSL_NELEM(standard_methods
))
635 return (standard_methods
[idx
])();
636 if (app_pkey_methods
== NULL
)
638 idx
-= OSSL_NELEM(standard_methods
);
639 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
641 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
645 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
647 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
648 && ctx
->op
.kex
.exchprovctx
!= NULL
649 && ctx
->op
.kex
.exchange
!= NULL
650 && ctx
->op
.kex
.exchange
->set_ctx_params
!= NULL
)
651 return ctx
->op
.kex
.exchange
->set_ctx_params(ctx
->op
.kex
.exchprovctx
,
653 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
654 && ctx
->op
.sig
.sigprovctx
!= NULL
655 && ctx
->op
.sig
.signature
!= NULL
656 && ctx
->op
.sig
.signature
->set_ctx_params
!= NULL
)
657 return ctx
->op
.sig
.signature
->set_ctx_params(ctx
->op
.sig
.sigprovctx
,
659 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
660 && ctx
->op
.ciph
.ciphprovctx
!= NULL
661 && ctx
->op
.ciph
.cipher
!= NULL
662 && ctx
->op
.ciph
.cipher
->set_ctx_params
!= NULL
)
663 return ctx
->op
.ciph
.cipher
->set_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
665 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
666 && ctx
->op
.keymgmt
.genctx
!= NULL
667 && ctx
->keymgmt
!= NULL
668 && ctx
->keymgmt
->gen_set_params
!= NULL
)
669 return evp_keymgmt_gen_set_params(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
,
671 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
672 && ctx
->op
.encap
.kemprovctx
!= NULL
673 && ctx
->op
.encap
.kem
!= NULL
674 && ctx
->op
.encap
.kem
->set_ctx_params
!= NULL
)
675 return ctx
->op
.encap
.kem
->set_ctx_params(ctx
->op
.encap
.kemprovctx
,
680 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
682 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
683 && ctx
->op
.kex
.exchprovctx
!= NULL
684 && ctx
->op
.kex
.exchange
!= NULL
685 && ctx
->op
.kex
.exchange
->get_ctx_params
!= NULL
)
686 return ctx
->op
.kex
.exchange
->get_ctx_params(ctx
->op
.kex
.exchprovctx
,
688 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
689 && ctx
->op
.sig
.sigprovctx
!= NULL
690 && ctx
->op
.sig
.signature
!= NULL
691 && ctx
->op
.sig
.signature
->get_ctx_params
!= NULL
)
692 return ctx
->op
.sig
.signature
->get_ctx_params(ctx
->op
.sig
.sigprovctx
,
694 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
695 && ctx
->op
.ciph
.ciphprovctx
!= NULL
696 && ctx
->op
.ciph
.cipher
!= NULL
697 && ctx
->op
.ciph
.cipher
->get_ctx_params
!= NULL
)
698 return ctx
->op
.ciph
.cipher
->get_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
700 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
701 && ctx
->op
.encap
.kemprovctx
!= NULL
702 && ctx
->op
.encap
.kem
!= NULL
703 && ctx
->op
.encap
.kem
->get_ctx_params
!= NULL
)
704 return ctx
->op
.encap
.kem
->get_ctx_params(ctx
->op
.encap
.kemprovctx
,
710 const OSSL_PARAM
*EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX
*ctx
)
714 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
715 && ctx
->op
.kex
.exchange
!= NULL
716 && ctx
->op
.kex
.exchange
->gettable_ctx_params
!= NULL
) {
717 provctx
= ossl_provider_ctx(EVP_KEYEXCH_provider(ctx
->op
.kex
.exchange
));
718 return ctx
->op
.kex
.exchange
->gettable_ctx_params(provctx
);
720 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
721 && ctx
->op
.sig
.signature
!= NULL
722 && ctx
->op
.sig
.signature
->gettable_ctx_params
!= NULL
) {
723 provctx
= ossl_provider_ctx(
724 EVP_SIGNATURE_provider(ctx
->op
.sig
.signature
));
725 return ctx
->op
.sig
.signature
->gettable_ctx_params(provctx
);
727 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
728 && ctx
->op
.ciph
.cipher
!= NULL
729 && ctx
->op
.ciph
.cipher
->gettable_ctx_params
!= NULL
) {
730 provctx
= ossl_provider_ctx(
731 EVP_ASYM_CIPHER_provider(ctx
->op
.ciph
.cipher
));
732 return ctx
->op
.ciph
.cipher
->gettable_ctx_params(provctx
);
734 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
735 && ctx
->op
.encap
.kem
!= NULL
736 && ctx
->op
.encap
.kem
->gettable_ctx_params
!= NULL
) {
737 provctx
= ossl_provider_ctx(EVP_KEM_provider(ctx
->op
.encap
.kem
));
738 return ctx
->op
.encap
.kem
->gettable_ctx_params(provctx
);
743 const OSSL_PARAM
*EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX
*ctx
)
747 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
748 && ctx
->op
.kex
.exchange
!= NULL
749 && ctx
->op
.kex
.exchange
->settable_ctx_params
!= NULL
) {
750 provctx
= ossl_provider_ctx(EVP_KEYEXCH_provider(ctx
->op
.kex
.exchange
));
751 return ctx
->op
.kex
.exchange
->settable_ctx_params(provctx
);
753 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
754 && ctx
->op
.sig
.signature
!= NULL
755 && ctx
->op
.sig
.signature
->settable_ctx_params
!= NULL
) {
756 provctx
= ossl_provider_ctx(
757 EVP_SIGNATURE_provider(ctx
->op
.sig
.signature
));
758 return ctx
->op
.sig
.signature
->settable_ctx_params(provctx
);
760 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
761 && ctx
->op
.ciph
.cipher
!= NULL
762 && ctx
->op
.ciph
.cipher
->settable_ctx_params
!= NULL
) {
763 provctx
= ossl_provider_ctx(
764 EVP_ASYM_CIPHER_provider(ctx
->op
.ciph
.cipher
));
765 return ctx
->op
.ciph
.cipher
->settable_ctx_params(provctx
);
767 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
768 && ctx
->keymgmt
!= NULL
)
769 return EVP_KEYMGMT_gen_settable_params(ctx
->keymgmt
);
770 if (EVP_PKEY_CTX_IS_KEM_OP(ctx
)
771 && ctx
->op
.encap
.kem
!= NULL
772 && ctx
->op
.encap
.kem
->settable_ctx_params
!= NULL
) {
773 provctx
= ossl_provider_ctx(EVP_KEM_provider(ctx
->op
.encap
.kem
));
774 return ctx
->op
.encap
.kem
->settable_ctx_params(provctx
);
780 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
782 * Return 1 on success, 0 or negative for errors.
784 * In particular they return -2 if any of the params is not supported.
786 * They are not available in FIPS_MODULE as they depend on
787 * - EVP_PKEY_CTX_{get,set}_params()
788 * - EVP_PKEY_CTX_{gettable,settable}_params()
791 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
795 if (ctx
== NULL
|| params
== NULL
)
798 for (p
= params
; p
->key
!= NULL
; p
++) {
799 /* Check the ctx actually understands this parameter */
800 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx
),
805 return EVP_PKEY_CTX_set_params(ctx
, params
);
808 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
812 if (ctx
== NULL
|| params
== NULL
)
815 for (p
= params
; p
->key
!= NULL
; p
++ ) {
816 /* Check the ctx actually understands this parameter */
817 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx
),
822 return EVP_PKEY_CTX_get_params(ctx
, params
);
825 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
**md
)
827 OSSL_PARAM sig_md_params
[2], *p
= sig_md_params
;
828 /* 80 should be big enough */
832 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
833 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
834 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
838 /* TODO(3.0): Remove this eventually when no more legacy */
839 if (ctx
->op
.sig
.sigprovctx
== NULL
)
840 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
841 EVP_PKEY_CTRL_GET_MD
, 0, (void *)(md
));
843 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
846 *p
= OSSL_PARAM_construct_end();
848 if (!EVP_PKEY_CTX_get_params(ctx
, sig_md_params
))
851 tmp
= evp_get_digestbyname_ex(ctx
->libctx
, name
);
860 static int evp_pkey_ctx_set_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
,
861 int fallback
, const char *param
, int op
,
864 OSSL_PARAM md_params
[2], *p
= md_params
;
867 if (ctx
== NULL
|| (ctx
->operation
& op
) == 0) {
868 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
869 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
873 /* TODO(3.0): Remove this eventually when no more legacy */
875 return EVP_PKEY_CTX_ctrl(ctx
, -1, op
, ctrl
, 0, (void *)(md
));
880 name
= EVP_MD_name(md
);
883 *p
++ = OSSL_PARAM_construct_utf8_string(param
,
885 * Cast away the const. This is read
886 * only so should be safe
889 *p
= OSSL_PARAM_construct_end();
891 return EVP_PKEY_CTX_set_params(ctx
, md_params
);
894 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
896 return evp_pkey_ctx_set_md(ctx
, md
, ctx
->op
.sig
.sigprovctx
== NULL
,
897 OSSL_SIGNATURE_PARAM_DIGEST
,
898 EVP_PKEY_OP_TYPE_SIG
, EVP_PKEY_CTRL_MD
);
901 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
903 return evp_pkey_ctx_set_md(ctx
, md
, ctx
->op
.kex
.exchprovctx
== NULL
,
904 OSSL_KDF_PARAM_DIGEST
,
905 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_TLS_MD
);
908 static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX
*ctx
, int fallback
,
909 const char *param
, int op
, int ctrl
,
910 const unsigned char *data
,
913 OSSL_PARAM octet_string_params
[2], *p
= octet_string_params
;
915 if (ctx
== NULL
|| (ctx
->operation
& op
) == 0) {
916 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
917 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
921 /* TODO(3.0): Remove this eventually when no more legacy */
923 return EVP_PKEY_CTX_ctrl(ctx
, -1, op
, ctrl
, datalen
, (void *)(data
));
926 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_LENGTH
);
930 *p
++ = OSSL_PARAM_construct_octet_string(param
,
932 * Cast away the const. This is read
933 * only so should be safe
935 (unsigned char *)data
,
937 *p
= OSSL_PARAM_construct_end();
939 return EVP_PKEY_CTX_set_params(ctx
, octet_string_params
);
942 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX
*ctx
,
943 const unsigned char *sec
, int seclen
)
945 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
946 OSSL_KDF_PARAM_SECRET
,
948 EVP_PKEY_CTRL_TLS_SECRET
,
952 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX
*ctx
,
953 const unsigned char *seed
, int seedlen
)
955 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
958 EVP_PKEY_CTRL_TLS_SEED
,
962 int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
964 return evp_pkey_ctx_set_md(ctx
, md
, ctx
->op
.kex
.exchprovctx
== NULL
,
965 OSSL_KDF_PARAM_DIGEST
,
966 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_HKDF_MD
);
969 int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX
*ctx
,
970 const unsigned char *salt
, int saltlen
)
972 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
975 EVP_PKEY_CTRL_HKDF_SALT
,
979 int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX
*ctx
,
980 const unsigned char *key
, int keylen
)
982 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
985 EVP_PKEY_CTRL_HKDF_KEY
,
989 int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX
*ctx
,
990 const unsigned char *info
, int infolen
)
992 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
995 EVP_PKEY_CTRL_HKDF_INFO
,
999 int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX
*ctx
, int mode
)
1001 OSSL_PARAM int_params
[2], *p
= int_params
;
1003 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
1004 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1005 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1009 /* TODO(3.0): Remove this eventually when no more legacy */
1010 if (ctx
->op
.kex
.exchprovctx
== NULL
)
1011 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_DERIVE
,
1012 EVP_PKEY_CTRL_HKDF_MODE
, mode
, NULL
);
1016 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_VALUE
);
1020 *p
++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE
, &mode
);
1021 *p
= OSSL_PARAM_construct_end();
1023 return EVP_PKEY_CTX_set_params(ctx
, int_params
);
1026 int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX
*ctx
, const char *pass
,
1029 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
1030 OSSL_KDF_PARAM_PASSWORD
,
1033 (const unsigned char *)pass
, passlen
);
1036 int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX
*ctx
,
1037 const unsigned char *salt
, int saltlen
)
1039 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.kex
.exchprovctx
== NULL
,
1040 OSSL_KDF_PARAM_SALT
,
1042 EVP_PKEY_CTRL_SCRYPT_SALT
,
1046 static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX
*ctx
, const char *param
,
1047 int op
, int ctrl
, uint64_t val
)
1049 OSSL_PARAM uint64_params
[2], *p
= uint64_params
;
1051 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
1052 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1053 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1057 /* TODO(3.0): Remove this eventually when no more legacy */
1058 if (ctx
->op
.kex
.exchprovctx
== NULL
)
1059 return EVP_PKEY_CTX_ctrl_uint64(ctx
, -1, op
, ctrl
, val
);
1061 *p
++ = OSSL_PARAM_construct_uint64(param
, &val
);
1062 *p
= OSSL_PARAM_construct_end();
1064 return EVP_PKEY_CTX_set_params(ctx
, uint64_params
);
1067 int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX
*ctx
, uint64_t n
)
1069 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_N
,
1070 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_N
,
1074 int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX
*ctx
, uint64_t r
)
1076 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_R
,
1077 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_R
,
1081 int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX
*ctx
, uint64_t p
)
1083 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_P
,
1084 EVP_PKEY_OP_DERIVE
, EVP_PKEY_CTRL_SCRYPT_P
,
1088 int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX
*ctx
,
1089 uint64_t maxmem_bytes
)
1091 return evp_pkey_ctx_set_uint64(ctx
, OSSL_KDF_PARAM_SCRYPT_MAXMEM
,
1093 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES
,
1097 int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX
*ctx
, const unsigned char *key
,
1100 return evp_pkey_ctx_set1_octet_string(ctx
, ctx
->op
.keymgmt
.genctx
== NULL
,
1101 OSSL_PKEY_PARAM_PRIV_KEY
,
1103 EVP_PKEY_CTRL_SET_MAC_KEY
,
1107 int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX
*ctx
, const char *op
)
1109 OSSL_PARAM params
[2], *p
= params
;
1111 if (ctx
== NULL
|| op
== NULL
) {
1112 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_VALUE
);
1115 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx
)) {
1116 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1119 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION
,
1121 *p
= OSSL_PARAM_construct_end();
1122 return EVP_PKEY_CTX_set_params(ctx
, params
);
1125 int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX
*ctx
, const void *id
, int len
)
1127 OSSL_PARAM params
[2], *p
= params
;
1130 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
1131 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1132 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1136 *p
++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID
,
1138 * Cast away the const. This is
1139 * read only so should be safe
1141 (void *)id
, (size_t)len
);
1142 *p
++ = OSSL_PARAM_construct_end();
1144 ret
= evp_pkey_ctx_set_params_strict(ctx
, params
);
1146 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1150 int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX
*ctx
, const void *id
, int len
)
1152 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1,
1153 EVP_PKEY_CTRL_SET1_ID
, (int)len
, (void*)(id
));
1156 static int get1_id_data(EVP_PKEY_CTX
*ctx
, void *id
, size_t *id_len
)
1159 void *tmp_id
= NULL
;
1160 OSSL_PARAM params
[2], *p
= params
;
1162 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
1163 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1164 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1168 *p
++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID
,
1170 *p
++ = OSSL_PARAM_construct_end();
1172 ret
= evp_pkey_ctx_get_params_strict(ctx
, params
);
1174 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1175 } else if (ret
> 0) {
1176 size_t tmp_id_len
= params
[0].return_size
;
1179 memcpy(id
, tmp_id
, tmp_id_len
);
1181 *id_len
= tmp_id_len
;
1186 int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX
*ctx
, void *id
)
1188 return get1_id_data(ctx
, id
, NULL
);
1191 int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX
*ctx
, size_t *id_len
)
1193 return get1_id_data(ctx
, NULL
, id_len
);
1196 int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX
*ctx
, void *id
)
1198 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1, EVP_PKEY_CTRL_GET1_ID
, 0, (void*)id
);
1201 int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX
*ctx
, size_t *id_len
)
1203 return EVP_PKEY_CTX_ctrl(ctx
, -1, -1,
1204 EVP_PKEY_CTRL_GET1_ID_LEN
, 0, (void*)id_len
);
1207 static int legacy_ctrl_to_param(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1208 int cmd
, int p1
, void *p2
)
1211 case EVP_PKEY_CTRL_SET1_ID
:
1212 return evp_pkey_ctx_set1_id_prov(ctx
, p2
, p1
);
1213 case EVP_PKEY_CTRL_GET1_ID
:
1214 return evp_pkey_ctx_get1_id_prov(ctx
, p2
);
1215 case EVP_PKEY_CTRL_GET1_ID_LEN
:
1216 return evp_pkey_ctx_get1_id_len_prov(ctx
, p2
);
1219 if (keytype
== EVP_PKEY_DHX
) {
1221 case EVP_PKEY_CTRL_DH_KDF_TYPE
:
1222 return EVP_PKEY_CTX_set_dh_kdf_type(ctx
, p1
);
1223 case EVP_PKEY_CTRL_DH_KDF_MD
:
1224 return EVP_PKEY_CTX_set_dh_kdf_md(ctx
, p2
);
1225 case EVP_PKEY_CTRL_DH_KDF_OUTLEN
:
1226 return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx
, p1
);
1227 case EVP_PKEY_CTRL_DH_KDF_UKM
:
1228 return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx
, p2
, p1
);
1229 case EVP_PKEY_CTRL_DH_KDF_OID
:
1230 return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx
, p2
);
1231 case EVP_PKEY_CTRL_GET_DH_KDF_MD
:
1232 return EVP_PKEY_CTX_get_dh_kdf_md(ctx
, p2
);
1233 case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN
:
1234 return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx
, p2
);
1235 case EVP_PKEY_CTRL_GET_DH_KDF_UKM
:
1236 return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx
, p2
);
1237 case EVP_PKEY_CTRL_GET_DH_KDF_OID
:
1238 return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx
, p2
);
1241 if (keytype
== EVP_PKEY_DH
) {
1243 case EVP_PKEY_CTRL_DH_PAD
:
1244 return EVP_PKEY_CTX_set_dh_pad(ctx
, p1
);
1245 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN
:
1246 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx
, p1
);
1247 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN
:
1248 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx
, p1
);
1249 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR
:
1250 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx
, p1
);
1251 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE
:
1252 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx
, p1
);
1253 case EVP_PKEY_CTRL_DH_RFC5114
:
1254 return EVP_PKEY_CTX_set_dh_rfc5114(ctx
, p1
);
1257 if (keytype
== EVP_PKEY_DSA
) {
1259 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS
:
1260 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx
, p1
);
1261 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS
:
1262 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx
, p1
);
1263 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD
:
1264 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx
, p2
);
1267 if (keytype
== EVP_PKEY_EC
) {
1269 case EVP_PKEY_CTRL_EC_PARAM_ENC
:
1270 return evp_pkey_ctx_set_ec_param_enc_prov(ctx
, p1
);
1271 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID
:
1272 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx
, p1
);
1273 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR
:
1275 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx
);
1276 } else if (p1
< -1 || p1
> 1) {
1277 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1280 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx
, p1
);
1282 case EVP_PKEY_CTRL_EC_KDF_TYPE
:
1284 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx
);
1286 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx
, p1
);
1288 case EVP_PKEY_CTRL_GET_EC_KDF_MD
:
1289 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx
, p2
);
1290 case EVP_PKEY_CTRL_EC_KDF_MD
:
1291 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx
, p2
);
1292 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN
:
1293 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx
, p2
);
1294 case EVP_PKEY_CTRL_EC_KDF_OUTLEN
:
1295 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx
, p1
);
1296 case EVP_PKEY_CTRL_GET_EC_KDF_UKM
:
1297 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx
, p2
);
1298 case EVP_PKEY_CTRL_EC_KDF_UKM
:
1299 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx
, p2
, p1
);
1302 if (keytype
== EVP_PKEY_RSA
) {
1304 case EVP_PKEY_CTRL_RSA_OAEP_MD
:
1305 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
1306 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD
:
1307 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
1308 case EVP_PKEY_CTRL_RSA_MGF1_MD
:
1309 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
1310 case EVP_PKEY_CTRL_RSA_OAEP_LABEL
:
1311 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, p2
, p1
);
1312 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL
:
1313 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx
, (unsigned char **)p2
);
1314 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS
:
1315 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx
, p1
);
1316 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP
:
1317 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx
, p2
);
1318 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES
:
1319 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx
, p1
);
1323 * keytype == -1 is used when several key types share the same structure,
1324 * or for generic controls that are the same across multiple key types.
1326 if (keytype
== -1) {
1327 if (optype
== EVP_PKEY_OP_DERIVE
) {
1330 case EVP_PKEY_CTRL_TLS_MD
:
1331 return EVP_PKEY_CTX_set_tls1_prf_md(ctx
, p2
);
1332 case EVP_PKEY_CTRL_TLS_SECRET
:
1333 return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx
, p2
, p1
);
1334 case EVP_PKEY_CTRL_TLS_SEED
:
1335 return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx
, p2
, p1
);
1338 case EVP_PKEY_CTRL_HKDF_MD
:
1339 return EVP_PKEY_CTX_set_hkdf_md(ctx
, p2
);
1340 case EVP_PKEY_CTRL_HKDF_SALT
:
1341 return EVP_PKEY_CTX_set1_hkdf_salt(ctx
, p2
, p1
);
1342 case EVP_PKEY_CTRL_HKDF_KEY
:
1343 return EVP_PKEY_CTX_set1_hkdf_key(ctx
, p2
, p1
);
1344 case EVP_PKEY_CTRL_HKDF_INFO
:
1345 return EVP_PKEY_CTX_add1_hkdf_info(ctx
, p2
, p1
);
1346 case EVP_PKEY_CTRL_HKDF_MODE
:
1347 return EVP_PKEY_CTX_hkdf_mode(ctx
, p1
);
1350 case EVP_PKEY_CTRL_PASS
:
1351 return EVP_PKEY_CTX_set1_pbe_pass(ctx
, p2
, p1
);
1352 case EVP_PKEY_CTRL_SCRYPT_SALT
:
1353 return EVP_PKEY_CTX_set1_scrypt_salt(ctx
, p2
, p1
);
1354 case EVP_PKEY_CTRL_SCRYPT_N
:
1355 return EVP_PKEY_CTX_set_scrypt_N(ctx
, p1
);
1356 case EVP_PKEY_CTRL_SCRYPT_R
:
1357 return EVP_PKEY_CTX_set_scrypt_r(ctx
, p1
);
1358 case EVP_PKEY_CTRL_SCRYPT_P
:
1359 return EVP_PKEY_CTX_set_scrypt_p(ctx
, p1
);
1360 case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES
:
1361 return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx
, p1
);
1363 } else if (optype
== EVP_PKEY_OP_KEYGEN
) {
1364 OSSL_PARAM params
[2], *p
= params
;
1367 case EVP_PKEY_CTRL_CIPHER
:
1369 char *ciphname
= (char *)EVP_CIPHER_name(p2
);
1371 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER
,
1373 *p
= OSSL_PARAM_construct_end();
1375 return EVP_PKEY_CTX_set_params(ctx
, params
);
1377 case EVP_PKEY_CTRL_SET_MAC_KEY
:
1379 *p
++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY
,
1381 *p
= OSSL_PARAM_construct_end();
1383 return EVP_PKEY_CTX_set_params(ctx
, params
);
1388 case EVP_PKEY_CTRL_MD
:
1389 return EVP_PKEY_CTX_set_signature_md(ctx
, p2
);
1390 case EVP_PKEY_CTRL_GET_MD
:
1391 return EVP_PKEY_CTX_get_signature_md(ctx
, p2
);
1392 case EVP_PKEY_CTRL_RSA_PADDING
:
1393 return EVP_PKEY_CTX_set_rsa_padding(ctx
, p1
);
1394 case EVP_PKEY_CTRL_GET_RSA_PADDING
:
1395 return EVP_PKEY_CTX_get_rsa_padding(ctx
, p2
);
1396 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD
:
1397 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
1398 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN
:
1399 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx
, p1
);
1400 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN
:
1401 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx
, p2
);
1402 case EVP_PKEY_CTRL_PKCS7_ENCRYPT
:
1403 case EVP_PKEY_CTRL_PKCS7_DECRYPT
:
1404 # ifndef OPENSSL_NO_CMS
1405 case EVP_PKEY_CTRL_CMS_DECRYPT
:
1406 case EVP_PKEY_CTRL_CMS_ENCRYPT
:
1408 /* TODO (3.0) Temporary hack, this should probe */
1409 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx
), "RSASSA-PSS"))
1411 ERR_raise(ERR_LIB_EVP
,
1412 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
1418 * GOST CMS format is different for different cipher algorithms.
1419 * Most of other algorithms don't have such a difference
1420 * so this ctrl is just ignored.
1422 if (cmd
== EVP_PKEY_CTRL_CIPHER
)
1428 static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1429 int cmd
, int p1
, void *p2
)
1434 * If the method has a |digest_custom| function, we can relax the
1435 * operation type check, since this can be called before the operation
1438 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->digest_custom
== NULL
) {
1439 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
1440 ERR_raise(ERR_LIB_EVP
, EVP_R_NO_OPERATION_SET
);
1444 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
1445 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_OPERATION
);
1450 switch (evp_pkey_ctx_state(ctx
)) {
1451 case EVP_PKEY_STATE_PROVIDER
:
1452 return legacy_ctrl_to_param(ctx
, keytype
, optype
, cmd
, p1
, p2
);
1453 case EVP_PKEY_STATE_UNKNOWN
:
1454 case EVP_PKEY_STATE_LEGACY
:
1455 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl
== NULL
) {
1456 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1459 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
1462 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
1465 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1471 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1472 int cmd
, int p1
, void *p2
)
1477 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1480 /* If unsupported, we don't want that reported here */
1482 ret
= evp_pkey_ctx_store_cached_data(ctx
, keytype
, optype
,
1487 ERR_clear_last_mark();
1489 * If there was an error, there was an error.
1490 * If the operation isn't initialized yet, we also return, as
1491 * the saved values will be used then anyway.
1493 if (ret
< 1 || ctx
->operation
== EVP_PKEY_OP_UNDEFINED
)
1496 return evp_pkey_ctx_ctrl_int(ctx
, keytype
, optype
, cmd
, p1
, p2
);
1499 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
1500 int cmd
, uint64_t value
)
1502 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
1505 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX
*ctx
, const char *name
,
1508 if (strcmp(name
, "md") == 0)
1509 name
= OSSL_ALG_PARAM_DIGEST
;
1510 else if (strcmp(name
, "rsa_padding_mode") == 0)
1511 name
= OSSL_ASYM_CIPHER_PARAM_PAD_MODE
;
1512 else if (strcmp(name
, "rsa_mgf1_md") == 0)
1513 name
= OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST
;
1514 else if (strcmp(name
, "rsa_oaep_md") == 0)
1515 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST
;
1516 else if (strcmp(name
, "rsa_oaep_label") == 0)
1517 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL
;
1518 else if (strcmp(name
, "rsa_pss_saltlen") == 0)
1519 name
= OSSL_SIGNATURE_PARAM_PSS_SALTLEN
;
1520 else if (strcmp(name
, "rsa_keygen_bits") == 0)
1521 name
= OSSL_PKEY_PARAM_RSA_BITS
;
1522 else if (strcmp(name
, "rsa_keygen_pubexp") == 0)
1523 name
= OSSL_PKEY_PARAM_RSA_E
;
1524 else if (strcmp(name
, "rsa_keygen_primes") == 0)
1525 name
= OSSL_PKEY_PARAM_RSA_PRIMES
;
1526 else if (strcmp(name
, "rsa_pss_keygen_md") == 0)
1527 name
= OSSL_PKEY_PARAM_RSA_DIGEST
;
1528 else if (strcmp(name
, "rsa_pss_keygen_mgf1_md") == 0)
1529 name
= OSSL_PKEY_PARAM_RSA_MGF1_DIGEST
;
1530 else if (strcmp(name
, "rsa_pss_keygen_saltlen") == 0)
1531 name
= OSSL_PKEY_PARAM_RSA_PSS_SALTLEN
;
1532 else if (strcmp(name
, "dsa_paramgen_bits") == 0)
1533 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1534 else if (strcmp(name
, "dsa_paramgen_q_bits") == 0)
1535 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1536 else if (strcmp(name
, "dsa_paramgen_md") == 0)
1537 name
= OSSL_PKEY_PARAM_FFC_DIGEST
;
1538 else if (strcmp(name
, "dh_paramgen_generator") == 0)
1539 name
= OSSL_PKEY_PARAM_DH_GENERATOR
;
1540 else if (strcmp(name
, "dh_paramgen_prime_len") == 0)
1541 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1542 else if (strcmp(name
, "dh_paramgen_subprime_len") == 0)
1543 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1544 else if (strcmp(name
, "dh_paramgen_type") == 0) {
1545 name
= OSSL_PKEY_PARAM_FFC_TYPE
;
1546 value
= dh_gen_type_id2name(atoi(value
));
1547 } else if (strcmp(name
, "dh_param") == 0)
1548 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1549 else if (strcmp(name
, "dh_rfc5114") == 0) {
1550 int num
= atoi(value
);
1552 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1554 ossl_ffc_named_group_get_name(ossl_ffc_uid_to_dh_named_group(num
));
1555 } else if (strcmp(name
, "dh_pad") == 0)
1556 name
= OSSL_EXCHANGE_PARAM_PAD
;
1557 else if (strcmp(name
, "ec_paramgen_curve") == 0)
1558 name
= OSSL_PKEY_PARAM_GROUP_NAME
;
1559 else if (strcmp(name
, "ecdh_cofactor_mode") == 0)
1560 name
= OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE
;
1561 else if (strcmp(name
, "ecdh_kdf_md") == 0)
1562 name
= OSSL_EXCHANGE_PARAM_KDF_DIGEST
;
1563 else if (strcmp(name
, "ec_param_enc") == 0)
1564 name
= OSSL_PKEY_PARAM_EC_ENCODING
;
1565 else if (strcmp(name
, "N") == 0)
1566 name
= OSSL_KDF_PARAM_SCRYPT_N
;
1570 * TODO(3.0) reduce the code above to only translate known legacy
1571 * string to the corresponding core name (see core_names.h), but
1572 * otherwise leave it to this code block to do the actual work.
1574 const OSSL_PARAM
*settable
= EVP_PKEY_CTX_settable_params(ctx
);
1575 OSSL_PARAM params
[2] = { OSSL_PARAM_END
, OSSL_PARAM_END
};
1579 if (!OSSL_PARAM_allocate_from_text(¶ms
[0], settable
, name
, value
,
1580 strlen(value
), &exists
)) {
1582 ERR_raise_data(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
,
1583 "name=%s,value=%s", name
, value
);
1588 if (EVP_PKEY_CTX_set_params(ctx
, params
))
1590 OPENSSL_free(params
[0].data
);
1595 static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX
*ctx
,
1596 const char *name
, const char *value
)
1601 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1605 switch (evp_pkey_ctx_state(ctx
)) {
1606 case EVP_PKEY_STATE_PROVIDER
:
1607 return legacy_ctrl_str_to_param(ctx
, name
, value
);
1608 case EVP_PKEY_STATE_UNKNOWN
:
1609 case EVP_PKEY_STATE_LEGACY
:
1610 if (ctx
== NULL
|| ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl_str
== NULL
) {
1611 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1614 if (strcmp(name
, "digest") == 0)
1615 ret
= EVP_PKEY_CTX_md(ctx
,
1616 EVP_PKEY_OP_TYPE_SIG
| EVP_PKEY_OP_TYPE_CRYPT
,
1617 EVP_PKEY_CTRL_MD
, value
);
1619 ret
= ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
1626 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
1627 const char *name
, const char *value
)
1631 /* If unsupported, we don't want that reported here */
1633 ret
= evp_pkey_ctx_store_cached_data(ctx
, -1, -1, -1,
1634 name
, value
, strlen(value
) + 1);
1638 ERR_clear_last_mark();
1640 * If there was an error, there was an error.
1641 * If the operation isn't initialized yet, we also return, as
1642 * the saved values will be used then anyway.
1644 if (ret
< 1 || ctx
->operation
== EVP_PKEY_OP_UNDEFINED
)
1648 return evp_pkey_ctx_ctrl_str_int(ctx
, name
, value
);
1651 static int decode_cmd(int cmd
, const char *name
)
1655 * The consequence of the assertion not being true is that this
1656 * function will return -1, which will cause the calling functions
1657 * to signal that the command is unsupported... in non-debug mode.
1659 if (ossl_assert(name
!= NULL
))
1660 if (strcmp(name
, "distid") == 0 || strcmp(name
, "hexdistid") == 0)
1661 cmd
= EVP_PKEY_CTRL_SET1_ID
;
1667 static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX
*ctx
,
1668 int keytype
, int optype
,
1669 int cmd
, const char *name
,
1670 const void *data
, size_t data_len
)
1672 if ((keytype
!= -1 && ctx
->pmeth
->pkey_id
!= keytype
)
1673 || ((optype
!= -1) && !(ctx
->operation
& optype
))) {
1674 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_OPERATION
);
1678 cmd
= decode_cmd(cmd
, name
);
1680 case EVP_PKEY_CTRL_SET1_ID
:
1681 evp_pkey_ctx_free_cached_data(ctx
, cmd
, name
);
1683 ctx
->cached_parameters
.dist_id_name
= OPENSSL_strdup(name
);
1684 if (ctx
->cached_parameters
.dist_id_name
== NULL
) {
1685 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
1690 ctx
->cached_parameters
.dist_id
= OPENSSL_memdup(data
, data_len
);
1691 if (ctx
->cached_parameters
.dist_id
== NULL
) {
1692 ERR_raise(ERR_LIB_EVP
, ERR_R_MALLOC_FAILURE
);
1696 ctx
->cached_parameters
.dist_id_set
= 1;
1697 ctx
->cached_parameters
.dist_id_len
= data_len
;
1701 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1705 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX
*ctx
,
1706 int cmd
, const char *name
)
1708 cmd
= decode_cmd(cmd
, name
);
1710 case EVP_PKEY_CTRL_SET1_ID
:
1711 OPENSSL_free(ctx
->cached_parameters
.dist_id
);
1712 OPENSSL_free(ctx
->cached_parameters
.dist_id_name
);
1713 ctx
->cached_parameters
.dist_id
= NULL
;
1714 ctx
->cached_parameters
.dist_id_name
= NULL
;
1719 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX
*ctx
)
1721 evp_pkey_ctx_free_cached_data(ctx
, EVP_PKEY_CTRL_SET1_ID
, NULL
);
1724 int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX
*ctx
)
1728 if (ret
&& ctx
->cached_parameters
.dist_id_set
) {
1729 const char *name
= ctx
->cached_parameters
.dist_id_name
;
1730 const void *val
= ctx
->cached_parameters
.dist_id
;
1731 size_t len
= ctx
->cached_parameters
.dist_id_len
;
1734 ret
= evp_pkey_ctx_ctrl_str_int(ctx
, name
, val
);
1736 ret
= evp_pkey_ctx_ctrl_int(ctx
, -1, ctx
->operation
,
1737 EVP_PKEY_CTRL_SET1_ID
,
1738 (int)len
, (void *)val
);
1744 OSSL_LIB_CTX
*EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX
*ctx
)
1749 const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX
*ctx
)
1751 return ctx
->propquery
;
1754 /* Utility functions to send a string of hex string to a ctrl */
1756 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
1763 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
1766 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
1772 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
1775 if (binlen
<= INT_MAX
)
1776 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
1781 /* Pass a message digest to a ctrl */
1782 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
1786 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
1787 ERR_raise(ERR_LIB_EVP
, EVP_R_INVALID_DIGEST
);
1790 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
1793 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
1795 return ctx
->operation
;
1798 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
1800 ctx
->keygen_info
= dat
;
1801 ctx
->keygen_info_count
= datlen
;
1804 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
1809 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX
*ctx
)
1814 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
1819 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
1821 return ctx
->peerkey
;
1824 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
1826 ctx
->app_data
= data
;
1829 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
1831 return ctx
->app_data
;
1834 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
1835 int (*init
) (EVP_PKEY_CTX
*ctx
))
1840 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
1841 int (*copy
) (EVP_PKEY_CTX
*dst
,
1842 const EVP_PKEY_CTX
*src
))
1847 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
1848 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
1850 pmeth
->cleanup
= cleanup
;
1853 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
1854 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
1855 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
1858 pmeth
->paramgen_init
= paramgen_init
;
1859 pmeth
->paramgen
= paramgen
;
1862 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
1863 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
1864 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
1867 pmeth
->keygen_init
= keygen_init
;
1868 pmeth
->keygen
= keygen
;
1871 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
1872 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
1873 int (*sign
) (EVP_PKEY_CTX
*ctx
,
1874 unsigned char *sig
, size_t *siglen
,
1875 const unsigned char *tbs
,
1878 pmeth
->sign_init
= sign_init
;
1882 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
1883 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
1884 int (*verify
) (EVP_PKEY_CTX
*ctx
,
1885 const unsigned char *sig
,
1887 const unsigned char *tbs
,
1890 pmeth
->verify_init
= verify_init
;
1891 pmeth
->verify
= verify
;
1894 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
1895 int (*verify_recover_init
) (EVP_PKEY_CTX
1897 int (*verify_recover
) (EVP_PKEY_CTX
1906 pmeth
->verify_recover_init
= verify_recover_init
;
1907 pmeth
->verify_recover
= verify_recover
;
1910 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
1911 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
1913 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
1918 pmeth
->signctx_init
= signctx_init
;
1919 pmeth
->signctx
= signctx
;
1922 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
1923 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1925 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
1926 const unsigned char *sig
,
1930 pmeth
->verifyctx_init
= verifyctx_init
;
1931 pmeth
->verifyctx
= verifyctx
;
1934 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
1935 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
1936 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
1939 const unsigned char *in
,
1942 pmeth
->encrypt_init
= encrypt_init
;
1943 pmeth
->encrypt
= encryptfn
;
1946 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
1947 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
1948 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
1951 const unsigned char *in
,
1954 pmeth
->decrypt_init
= decrypt_init
;
1955 pmeth
->decrypt
= decrypt
;
1958 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
1959 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
1960 int (*derive
) (EVP_PKEY_CTX
*ctx
,
1964 pmeth
->derive_init
= derive_init
;
1965 pmeth
->derive
= derive
;
1968 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
1969 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1971 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
1976 pmeth
->ctrl_str
= ctrl_str
;
1979 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD
*pmeth
,
1980 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1981 const unsigned char *tbs
, size_t tbslen
))
1983 pmeth
->digestsign
= digestsign
;
1986 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD
*pmeth
,
1987 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1988 size_t siglen
, const unsigned char *tbs
,
1991 pmeth
->digestverify
= digestverify
;
1994 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
1995 int (*check
) (EVP_PKEY
*pkey
))
1997 pmeth
->check
= check
;
2000 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
2001 int (*check
) (EVP_PKEY
*pkey
))
2003 pmeth
->public_check
= check
;
2006 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
2007 int (*check
) (EVP_PKEY
*pkey
))
2009 pmeth
->param_check
= check
;
2012 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
2013 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
2016 pmeth
->digest_custom
= digest_custom
;
2019 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
2020 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
2022 *pinit
= pmeth
->init
;
2025 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
2026 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
2027 const EVP_PKEY_CTX
*src
))
2029 *pcopy
= pmeth
->copy
;
2032 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
2033 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
2035 *pcleanup
= pmeth
->cleanup
;
2038 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
2039 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
2040 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
2044 *pparamgen_init
= pmeth
->paramgen_init
;
2046 *pparamgen
= pmeth
->paramgen
;
2049 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
2050 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
2051 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
2055 *pkeygen_init
= pmeth
->keygen_init
;
2057 *pkeygen
= pmeth
->keygen
;
2060 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
2061 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
2062 int (**psign
) (EVP_PKEY_CTX
*ctx
,
2063 unsigned char *sig
, size_t *siglen
,
2064 const unsigned char *tbs
,
2068 *psign_init
= pmeth
->sign_init
;
2070 *psign
= pmeth
->sign
;
2073 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
2074 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
2075 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
2076 const unsigned char *sig
,
2078 const unsigned char *tbs
,
2082 *pverify_init
= pmeth
->verify_init
;
2084 *pverify
= pmeth
->verify
;
2087 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
2088 int (**pverify_recover_init
) (EVP_PKEY_CTX
2090 int (**pverify_recover
) (EVP_PKEY_CTX
2099 if (pverify_recover_init
)
2100 *pverify_recover_init
= pmeth
->verify_recover_init
;
2101 if (pverify_recover
)
2102 *pverify_recover
= pmeth
->verify_recover
;
2105 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
2106 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
2108 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
2114 *psignctx_init
= pmeth
->signctx_init
;
2116 *psignctx
= pmeth
->signctx
;
2119 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
2120 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
2122 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
2123 const unsigned char *sig
,
2127 if (pverifyctx_init
)
2128 *pverifyctx_init
= pmeth
->verifyctx_init
;
2130 *pverifyctx
= pmeth
->verifyctx
;
2133 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
2134 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
2135 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
2138 const unsigned char *in
,
2142 *pencrypt_init
= pmeth
->encrypt_init
;
2144 *pencryptfn
= pmeth
->encrypt
;
2147 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
2148 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
2149 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
2152 const unsigned char *in
,
2156 *pdecrypt_init
= pmeth
->decrypt_init
;
2158 *pdecrypt
= pmeth
->decrypt
;
2161 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
2162 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
2163 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
2168 *pderive_init
= pmeth
->derive_init
;
2170 *pderive
= pmeth
->derive
;
2173 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
2174 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
2176 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
2181 *pctrl
= pmeth
->ctrl
;
2183 *pctrl_str
= pmeth
->ctrl_str
;
2186 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD
*pmeth
,
2187 int (**digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
2188 const unsigned char *tbs
, size_t tbslen
))
2191 *digestsign
= pmeth
->digestsign
;
2194 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD
*pmeth
,
2195 int (**digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
2196 size_t siglen
, const unsigned char *tbs
,
2200 *digestverify
= pmeth
->digestverify
;
2203 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
2204 int (**pcheck
) (EVP_PKEY
*pkey
))
2207 *pcheck
= pmeth
->check
;
2210 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
2211 int (**pcheck
) (EVP_PKEY
*pkey
))
2214 *pcheck
= pmeth
->public_check
;
2217 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
2218 int (**pcheck
) (EVP_PKEY
*pkey
))
2221 *pcheck
= pmeth
->param_check
;
2224 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
2225 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
2228 if (pdigest_custom
!= NULL
)
2229 *pdigest_custom
= pmeth
->digest_custom
;
2232 #endif /* FIPS_MODULE */