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 "internal/cryptlib.h"
25 #include "crypto/asn1.h"
26 #include "crypto/evp.h"
27 #include "crypto/dh.h"
28 #include "internal/ffc.h"
29 #include "internal/numbers.h"
30 #include "internal/provider.h"
31 #include "evp_local.h"
35 typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
36 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
38 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
40 /* This array needs to be in order of NIDs */
41 static pmeth_fn standard_methods[] = {
42 # ifndef OPENSSL_NO_RSA
45 # ifndef OPENSSL_NO_DH
48 # ifndef OPENSSL_NO_DSA
51 # ifndef OPENSSL_NO_EC
55 # ifndef OPENSSL_NO_CMAC
58 # ifndef OPENSSL_NO_RSA
61 # ifndef OPENSSL_NO_DH
64 # ifndef OPENSSL_NO_SCRYPT
68 # ifndef OPENSSL_NO_EC
73 # ifndef OPENSSL_NO_POLY1305
76 # ifndef OPENSSL_NO_SIPHASH
79 # ifndef OPENSSL_NO_EC
83 # ifndef OPENSSL_NO_SM2
88 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
90 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
92 return ((*a)->pkey_id - ((**b)())->pkey_id);
95 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
97 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
98 const EVP_PKEY_METHOD *const *b)
100 return ((*a)->pkey_id - (*b)->pkey_id);
103 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
107 const EVP_PKEY_METHOD *t = &tmp;
110 if (app_pkey_methods) {
112 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
114 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
116 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
117 sizeof(standard_methods) /
119 if (ret == NULL || *ret == NULL)
124 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
126 EVP_PKEY_METHOD *pmeth;
128 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
130 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
135 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
138 #endif /* FIPS_MODULE */
140 static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx,
141 EVP_PKEY *pkey, ENGINE *e,
142 const char *keytype, const char *propquery,
147 const EVP_PKEY_METHOD *pmeth = NULL;
148 EVP_KEYMGMT *keymgmt = NULL;
151 * When using providers, the context is bound to the algo implementation
154 if (pkey == NULL && e == NULL && id == -1)
158 * If the internal key is provided, we extract the keytype from its
159 * keymgmt and skip over the legacy code.
161 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
162 /* If we have an engine, something went wrong somewhere... */
163 if (!ossl_assert(e == NULL))
165 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
169 /* TODO(3.0) Legacy code should be removed when all is provider based */
178 * Here, we extract what information we can for the purpose of
179 * supporting usage with implementations from providers, to make
180 * for a smooth transition from legacy stuff to provider based stuff.
182 * If an engine is given, this is entirely legacy, and we should not
183 * pretend anything else, so we only set the name when no engine is
184 * given. If both are already given, someone made a mistake, and
185 * since that can only happen internally, it's safe to make an
188 if (!ossl_assert(e == NULL || keytype == NULL))
191 keytype = OBJ_nid2sn(id);
193 # ifndef OPENSSL_NO_ENGINE
194 if (e == NULL && pkey != NULL)
195 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
196 /* Try to find an ENGINE which implements this method */
198 if (!ENGINE_init(e)) {
199 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
203 e = ENGINE_get_pkey_meth_engine(id);
207 * If an ENGINE handled this method look it up. Otherwise use internal
211 pmeth = ENGINE_get_pkey_meth(e, id);
214 pmeth = EVP_PKEY_meth_find(id);
217 # ifndef OPENSSL_NO_ENGINE
220 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
224 #endif /* FIPS_MODULE */
227 * If there's no engine and there's a name, we try fetching a provider
230 if (e == NULL && keytype != NULL) {
231 /* This could fail so ignore errors */
233 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
237 ret = OPENSSL_zalloc(sizeof(*ret));
239 EVP_KEYMGMT_free(keymgmt);
240 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
243 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
246 ret->libctx = libctx;
247 ret->propquery = propquery;
248 ret->keytype = keytype;
249 ret->keymgmt = keymgmt;
252 ret->operation = EVP_PKEY_OP_UNDEFINED;
255 EVP_PKEY_up_ref(pkey);
257 if (pmeth != NULL && pmeth->init != NULL) {
258 if (pmeth->init(ret) <= 0) {
260 EVP_PKEY_CTX_free(ret);
268 /*- All methods below can also be used in FIPS_MODULE */
270 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
272 const char *propquery)
274 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
277 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
278 const char *propquery)
280 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
283 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
285 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
286 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
287 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
288 EVP_SIGNATURE_free(ctx->op.sig.signature);
289 ctx->op.sig.sigprovctx = NULL;
290 ctx->op.sig.signature = NULL;
291 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
292 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
293 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
294 EVP_KEYEXCH_free(ctx->op.kex.exchange);
295 ctx->op.kex.exchprovctx = NULL;
296 ctx->op.kex.exchange = NULL;
298 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
300 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
301 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
302 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
303 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
304 ctx->op.ciph.ciphprovctx = NULL;
305 ctx->op.ciph.cipher = NULL;
306 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
307 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
308 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
313 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
317 if (ctx->pmeth && ctx->pmeth->cleanup)
318 ctx->pmeth->cleanup(ctx);
320 evp_pkey_ctx_free_old_ops(ctx);
321 EVP_KEYMGMT_free(ctx->keymgmt);
323 EVP_PKEY_free(ctx->pkey);
324 EVP_PKEY_free(ctx->peerkey);
325 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
326 ENGINE_finish(ctx->engine);
333 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
334 const EVP_PKEY_METHOD *meth)
337 *ppkey_id = meth->pkey_id;
339 *pflags = meth->flags;
342 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
345 dst->init = src->init;
346 dst->copy = src->copy;
347 dst->cleanup = src->cleanup;
349 dst->paramgen_init = src->paramgen_init;
350 dst->paramgen = src->paramgen;
352 dst->keygen_init = src->keygen_init;
353 dst->keygen = src->keygen;
355 dst->sign_init = src->sign_init;
356 dst->sign = src->sign;
358 dst->verify_init = src->verify_init;
359 dst->verify = src->verify;
361 dst->verify_recover_init = src->verify_recover_init;
362 dst->verify_recover = src->verify_recover;
364 dst->signctx_init = src->signctx_init;
365 dst->signctx = src->signctx;
367 dst->verifyctx_init = src->verifyctx_init;
368 dst->verifyctx = src->verifyctx;
370 dst->encrypt_init = src->encrypt_init;
371 dst->encrypt = src->encrypt;
373 dst->decrypt_init = src->decrypt_init;
374 dst->decrypt = src->decrypt;
376 dst->derive_init = src->derive_init;
377 dst->derive = src->derive;
379 dst->ctrl = src->ctrl;
380 dst->ctrl_str = src->ctrl_str;
382 dst->check = src->check;
385 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
387 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
391 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
393 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
396 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
398 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
401 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
405 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
406 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
407 && pctx->op.kex.exchprovctx == NULL)
408 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
409 && pctx->op.sig.sigprovctx == NULL)))
411 # ifndef OPENSSL_NO_ENGINE
412 /* Make sure it's safe to copy a pkey context using an ENGINE */
413 if (pctx->engine && !ENGINE_init(pctx->engine)) {
414 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
418 rctx = OPENSSL_zalloc(sizeof(*rctx));
420 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
424 if (pctx->pkey != NULL)
425 EVP_PKEY_up_ref(pctx->pkey);
426 rctx->pkey = pctx->pkey;
427 rctx->operation = pctx->operation;
428 rctx->libctx = pctx->libctx;
429 rctx->keytype = pctx->keytype;
430 rctx->propquery = pctx->propquery;
432 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
433 if (pctx->op.kex.exchange != NULL) {
434 rctx->op.kex.exchange = pctx->op.kex.exchange;
435 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
440 if (pctx->op.kex.exchprovctx != NULL) {
441 if (!ossl_assert(pctx->op.kex.exchange != NULL))
443 rctx->op.kex.exchprovctx
444 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
445 if (rctx->op.kex.exchprovctx == NULL) {
446 EVP_KEYEXCH_free(rctx->op.kex.exchange);
452 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
453 if (pctx->op.sig.signature != NULL) {
454 rctx->op.sig.signature = pctx->op.sig.signature;
455 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
460 if (pctx->op.sig.sigprovctx != NULL) {
461 if (!ossl_assert(pctx->op.sig.signature != NULL))
463 rctx->op.sig.sigprovctx
464 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
465 if (rctx->op.sig.sigprovctx == NULL) {
466 EVP_SIGNATURE_free(rctx->op.sig.signature);
472 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
473 if (pctx->op.ciph.cipher != NULL) {
474 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
475 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
480 if (pctx->op.ciph.ciphprovctx != NULL) {
481 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
483 rctx->op.ciph.ciphprovctx
484 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
485 if (rctx->op.ciph.ciphprovctx == NULL) {
486 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
494 rctx->pmeth = pctx->pmeth;
495 # ifndef OPENSSL_NO_ENGINE
496 rctx->engine = pctx->engine;
500 EVP_PKEY_up_ref(pctx->peerkey);
501 rctx->peerkey = pctx->peerkey;
503 if (pctx->pmeth->copy(rctx, pctx) > 0)
507 EVP_PKEY_CTX_free(rctx);
512 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
514 if (app_pkey_methods == NULL) {
515 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
516 if (app_pkey_methods == NULL){
517 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
521 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
522 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
525 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
529 void evp_app_cleanup_int(void)
531 if (app_pkey_methods != NULL)
532 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
535 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
537 const EVP_PKEY_METHOD *ret;
539 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
541 return ret == NULL ? 0 : 1;
544 size_t EVP_PKEY_meth_get_count(void)
546 size_t rv = OSSL_NELEM(standard_methods);
548 if (app_pkey_methods)
549 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
553 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
555 if (idx < OSSL_NELEM(standard_methods))
556 return (standard_methods[idx])();
557 if (app_pkey_methods == NULL)
559 idx -= OSSL_NELEM(standard_methods);
560 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
562 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
566 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
568 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
569 && ctx->op.kex.exchprovctx != NULL
570 && ctx->op.kex.exchange != NULL
571 && ctx->op.kex.exchange->set_ctx_params != NULL)
572 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
574 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
575 && ctx->op.sig.sigprovctx != NULL
576 && ctx->op.sig.signature != NULL
577 && ctx->op.sig.signature->set_ctx_params != NULL)
578 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
580 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
581 && ctx->op.ciph.ciphprovctx != NULL
582 && ctx->op.ciph.cipher != NULL
583 && ctx->op.ciph.cipher->set_ctx_params != NULL)
584 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
586 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
587 && ctx->op.keymgmt.genctx != NULL
588 && ctx->keymgmt != NULL
589 && ctx->keymgmt->gen_set_params != NULL)
590 return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
596 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
598 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
599 && ctx->op.kex.exchprovctx != NULL
600 && ctx->op.kex.exchange != NULL
601 && ctx->op.kex.exchange->get_ctx_params != NULL)
602 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
604 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
605 && ctx->op.sig.sigprovctx != NULL
606 && ctx->op.sig.signature != NULL
607 && ctx->op.sig.signature->get_ctx_params != NULL)
608 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
610 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
611 && ctx->op.ciph.ciphprovctx != NULL
612 && ctx->op.ciph.cipher != NULL
613 && ctx->op.ciph.cipher->get_ctx_params != NULL)
614 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
619 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
621 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
622 && ctx->op.kex.exchange != NULL
623 && ctx->op.kex.exchange->gettable_ctx_params != NULL)
624 return ctx->op.kex.exchange->gettable_ctx_params();
625 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
626 && ctx->op.sig.signature != NULL
627 && ctx->op.sig.signature->gettable_ctx_params != NULL)
628 return ctx->op.sig.signature->gettable_ctx_params();
629 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
630 && ctx->op.ciph.cipher != NULL
631 && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
632 return ctx->op.ciph.cipher->gettable_ctx_params();
636 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
638 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
639 && ctx->op.kex.exchange != NULL
640 && ctx->op.kex.exchange->settable_ctx_params != NULL)
641 return ctx->op.kex.exchange->settable_ctx_params();
642 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
643 && ctx->op.sig.signature != NULL
644 && ctx->op.sig.signature->settable_ctx_params != NULL)
645 return ctx->op.sig.signature->settable_ctx_params();
646 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
647 && ctx->op.ciph.cipher != NULL
648 && ctx->op.ciph.cipher->settable_ctx_params != NULL)
649 return ctx->op.ciph.cipher->settable_ctx_params();
650 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
651 && ctx->keymgmt != NULL)
652 return evp_keymgmt_gen_settable_params(ctx->keymgmt);
658 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
660 * Return 1 on success, 0 or negative for errors.
662 * In particular they return -2 if any of the params is not supported.
664 * They are not available in FIPS_MODULE as they depend on
665 * - EVP_PKEY_CTX_{get,set}_params()
666 * - EVP_PKEY_CTX_{gettable,settable}_params()
669 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
673 if (ctx == NULL || params == NULL)
676 for (p = params; p->key != NULL; p++) {
677 /* Check the ctx actually understands this parameter */
678 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
683 return EVP_PKEY_CTX_set_params(ctx, params);
686 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
690 if (ctx == NULL || params == NULL)
693 for (p = params; p->key != NULL; p++ ) {
694 /* Check the ctx actually understands this parameter */
695 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
700 return EVP_PKEY_CTX_get_params(ctx, params);
703 # ifndef OPENSSL_NO_DH
704 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
706 OSSL_PARAM dh_pad_params[2];
707 unsigned int upad = pad;
709 /* We use EVP_PKEY_CTX_ctrl return values */
710 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
711 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
715 /* TODO(3.0): Remove this eventually when no more legacy */
716 if (ctx->op.kex.exchprovctx == NULL)
717 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
718 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
720 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
721 dh_pad_params[1] = OSSL_PARAM_construct_end();
723 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
727 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
729 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
730 /* 80 should be big enough */
734 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
735 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
736 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
740 /* TODO(3.0): Remove this eventually when no more legacy */
741 if (ctx->op.sig.sigprovctx == NULL)
742 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
743 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
745 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
748 *p++ = OSSL_PARAM_construct_end();
750 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
753 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
762 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
764 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
767 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
768 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
769 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
773 /* TODO(3.0): Remove this eventually when no more legacy */
774 if (ctx->op.sig.sigprovctx == NULL)
775 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
776 EVP_PKEY_CTRL_MD, 0, (void *)(md));
781 name = EVP_MD_name(md);
784 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
786 * Cast away the const. This is read
787 * only so should be safe
790 *p++ = OSSL_PARAM_construct_end();
792 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
795 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
796 int cmd, int p1, void *p2)
799 * GOST CMS format is different for different cipher algorithms.
800 * Most of other algorithms don't have such a difference
801 * so this ctrl is just ignored.
803 if (cmd == EVP_PKEY_CTRL_CIPHER)
806 # ifndef OPENSSL_NO_DH
807 if (keytype == EVP_PKEY_DH) {
809 case EVP_PKEY_CTRL_DH_PAD:
810 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
811 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
812 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
813 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
814 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
815 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
816 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
817 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
818 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
819 case EVP_PKEY_CTRL_DH_RFC5114:
820 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
824 # ifndef OPENSSL_NO_DSA
825 if (keytype == EVP_PKEY_DSA) {
827 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
828 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
829 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
830 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
831 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
832 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
836 # ifndef OPENSSL_NO_EC
837 if (keytype == EVP_PKEY_EC) {
839 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
840 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
841 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
843 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
844 } else if (p1 < -1 || p1 > 1) {
845 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
848 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
850 case EVP_PKEY_CTRL_EC_KDF_TYPE:
852 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
854 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
856 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
857 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
858 case EVP_PKEY_CTRL_EC_KDF_MD:
859 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
860 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
861 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
862 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
863 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
864 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
865 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
866 case EVP_PKEY_CTRL_EC_KDF_UKM:
867 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
871 if (keytype == EVP_PKEY_RSA) {
873 case EVP_PKEY_CTRL_RSA_OAEP_MD:
874 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
875 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
876 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
877 case EVP_PKEY_CTRL_RSA_MGF1_MD:
878 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
879 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
880 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
881 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
882 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
883 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
884 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
885 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
886 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
887 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
888 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
892 * keytype == -1 is used when several key types share the same structure,
893 * or for generic controls that are the same across multiple key types.
897 case EVP_PKEY_CTRL_MD:
898 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
899 case EVP_PKEY_CTRL_GET_MD:
900 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
901 case EVP_PKEY_CTRL_RSA_PADDING:
902 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
903 case EVP_PKEY_CTRL_GET_RSA_PADDING:
904 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
905 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
906 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
907 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
908 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
909 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
910 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
911 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
912 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
913 # ifndef OPENSSL_NO_CMS
914 case EVP_PKEY_CTRL_CMS_DECRYPT:
915 case EVP_PKEY_CTRL_CMS_ENCRYPT:
917 /* TODO (3.0) Temporary hack, this should probe */
918 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
920 ERR_raise(ERR_LIB_EVP,
921 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
928 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
929 int cmd, int p1, void *p2)
934 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
938 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
939 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
940 && ctx->op.sig.sigprovctx != NULL)
941 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
942 && ctx->op.ciph.ciphprovctx != NULL)
943 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
944 && ctx->op.keymgmt.genctx != NULL))
945 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
947 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
948 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
951 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
954 /* Skip the operation checks since this is called in a very early stage */
955 if (ctx->pmeth->digest_custom != NULL)
958 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
959 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
963 if ((optype != -1) && !(ctx->operation & optype)) {
964 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
969 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
972 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
977 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
978 int cmd, uint64_t value)
980 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
983 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
987 /* Special cases that we intercept */
988 # ifndef OPENSSL_NO_EC
990 * We don't support encoding settings for providers, i.e. the only
991 * possible encoding is "named_curve", so we simply fail when something
992 * else is given, and otherwise just pretend all is fine.
994 if (strcmp(name, "ec_param_enc") == 0) {
995 if (strcmp(value, "named_curve") == 0) {
998 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1004 if (strcmp(name, "rsa_padding_mode") == 0)
1005 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1006 else if (strcmp(name, "rsa_mgf1_md") == 0)
1007 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1008 else if (strcmp(name, "rsa_oaep_md") == 0)
1009 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1010 else if (strcmp(name, "rsa_oaep_label") == 0)
1011 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1012 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1013 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1014 else if (strcmp(name, "rsa_keygen_bits") == 0)
1015 name = OSSL_PKEY_PARAM_RSA_BITS;
1016 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1017 name = OSSL_PKEY_PARAM_RSA_E;
1018 else if (strcmp(name, "rsa_keygen_primes") == 0)
1019 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1020 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1021 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1022 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1023 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1024 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1025 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
1026 # ifndef OPENSSL_NO_DSA
1027 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1028 name = OSSL_PKEY_PARAM_FFC_PBITS;
1029 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1030 name = OSSL_PKEY_PARAM_FFC_QBITS;
1031 else if (strcmp(name, "dsa_paramgen_md") == 0)
1032 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1034 # ifndef OPENSSL_NO_DH
1035 else if (strcmp(name, "dh_paramgen_generator") == 0)
1036 name = OSSL_PKEY_PARAM_DH_GENERATOR;
1037 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1038 name = OSSL_PKEY_PARAM_FFC_PBITS;
1039 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1040 name = OSSL_PKEY_PARAM_FFC_QBITS;
1041 else if (strcmp(name, "dh_paramgen_type") == 0) {
1042 name = OSSL_PKEY_PARAM_FFC_TYPE;
1043 value = dh_gen_type_id2name(atoi(value));
1044 } else if (strcmp(name, "dh_param") == 0)
1045 name = OSSL_PKEY_PARAM_DH_GROUP;
1046 else if (strcmp(name, "dh_rfc5114") == 0) {
1047 name = OSSL_PKEY_PARAM_DH_GROUP;
1048 value = ffc_named_group_from_uid(atoi(value));
1049 } else if (strcmp(name, "dh_pad") == 0)
1050 name = OSSL_EXCHANGE_PARAM_PAD;
1052 # ifndef OPENSSL_NO_EC
1053 else if (strcmp(name, "ec_paramgen_curve") == 0)
1054 name = OSSL_PKEY_PARAM_EC_NAME;
1055 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1056 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1057 else if (strcmp(name, "ecdh_kdf_md") == 0)
1058 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1063 * TODO(3.0) reduce the code above to only translate known legacy
1064 * string to the corresponding core name (see core_names.h), but
1065 * otherwise leave it to this code block to do the actual work.
1067 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1068 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1072 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1073 strlen(value), &exists)) {
1075 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1076 "name=%s,value=%s", name, value);
1081 if (EVP_PKEY_CTX_set_params(ctx, params))
1083 OPENSSL_free(params[0].data);
1088 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1089 const char *name, const char *value)
1092 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1096 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1097 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1098 && ctx->op.sig.sigprovctx != NULL)
1099 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1100 && ctx->op.ciph.ciphprovctx != NULL)
1101 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1102 && ctx->op.keymgmt.genctx != NULL))
1103 return legacy_ctrl_str_to_param(ctx, name, value);
1105 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
1106 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1109 if (strcmp(name, "digest") == 0)
1110 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
1112 return ctx->pmeth->ctrl_str(ctx, name, value);
1115 /* Utility functions to send a string of hex string to a ctrl */
1117 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1124 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1127 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1133 bin = OPENSSL_hexstr2buf(hex, &binlen);
1136 if (binlen <= INT_MAX)
1137 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1142 /* Pass a message digest to a ctrl */
1143 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1147 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1148 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1151 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1154 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1156 return ctx->operation;
1159 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1161 ctx->keygen_info = dat;
1162 ctx->keygen_info_count = datlen;
1165 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1170 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1175 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1180 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1182 return ctx->peerkey;
1185 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1187 ctx->app_data = data;
1190 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1192 return ctx->app_data;
1195 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1196 int (*init) (EVP_PKEY_CTX *ctx))
1201 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1202 int (*copy) (EVP_PKEY_CTX *dst,
1203 const EVP_PKEY_CTX *src))
1208 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1209 void (*cleanup) (EVP_PKEY_CTX *ctx))
1211 pmeth->cleanup = cleanup;
1214 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1215 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1216 int (*paramgen) (EVP_PKEY_CTX *ctx,
1219 pmeth->paramgen_init = paramgen_init;
1220 pmeth->paramgen = paramgen;
1223 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1224 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1225 int (*keygen) (EVP_PKEY_CTX *ctx,
1228 pmeth->keygen_init = keygen_init;
1229 pmeth->keygen = keygen;
1232 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1233 int (*sign_init) (EVP_PKEY_CTX *ctx),
1234 int (*sign) (EVP_PKEY_CTX *ctx,
1235 unsigned char *sig, size_t *siglen,
1236 const unsigned char *tbs,
1239 pmeth->sign_init = sign_init;
1243 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1244 int (*verify_init) (EVP_PKEY_CTX *ctx),
1245 int (*verify) (EVP_PKEY_CTX *ctx,
1246 const unsigned char *sig,
1248 const unsigned char *tbs,
1251 pmeth->verify_init = verify_init;
1252 pmeth->verify = verify;
1255 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1256 int (*verify_recover_init) (EVP_PKEY_CTX
1258 int (*verify_recover) (EVP_PKEY_CTX
1267 pmeth->verify_recover_init = verify_recover_init;
1268 pmeth->verify_recover = verify_recover;
1271 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1272 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1274 int (*signctx) (EVP_PKEY_CTX *ctx,
1279 pmeth->signctx_init = signctx_init;
1280 pmeth->signctx = signctx;
1283 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1284 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1286 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1287 const unsigned char *sig,
1291 pmeth->verifyctx_init = verifyctx_init;
1292 pmeth->verifyctx = verifyctx;
1295 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1296 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1297 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1300 const unsigned char *in,
1303 pmeth->encrypt_init = encrypt_init;
1304 pmeth->encrypt = encryptfn;
1307 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1308 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1309 int (*decrypt) (EVP_PKEY_CTX *ctx,
1312 const unsigned char *in,
1315 pmeth->decrypt_init = decrypt_init;
1316 pmeth->decrypt = decrypt;
1319 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1320 int (*derive_init) (EVP_PKEY_CTX *ctx),
1321 int (*derive) (EVP_PKEY_CTX *ctx,
1325 pmeth->derive_init = derive_init;
1326 pmeth->derive = derive;
1329 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1330 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1332 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1337 pmeth->ctrl_str = ctrl_str;
1340 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1341 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1342 const unsigned char *tbs, size_t tbslen))
1344 pmeth->digestsign = digestsign;
1347 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1348 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1349 size_t siglen, const unsigned char *tbs,
1352 pmeth->digestverify = digestverify;
1355 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1356 int (*check) (EVP_PKEY *pkey))
1358 pmeth->check = check;
1361 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1362 int (*check) (EVP_PKEY *pkey))
1364 pmeth->public_check = check;
1367 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1368 int (*check) (EVP_PKEY *pkey))
1370 pmeth->param_check = check;
1373 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1374 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1377 pmeth->digest_custom = digest_custom;
1380 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1381 int (**pinit) (EVP_PKEY_CTX *ctx))
1383 *pinit = pmeth->init;
1386 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1387 int (**pcopy) (EVP_PKEY_CTX *dst,
1388 const EVP_PKEY_CTX *src))
1390 *pcopy = pmeth->copy;
1393 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1394 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1396 *pcleanup = pmeth->cleanup;
1399 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1400 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1401 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1405 *pparamgen_init = pmeth->paramgen_init;
1407 *pparamgen = pmeth->paramgen;
1410 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1411 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1412 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1416 *pkeygen_init = pmeth->keygen_init;
1418 *pkeygen = pmeth->keygen;
1421 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1422 int (**psign_init) (EVP_PKEY_CTX *ctx),
1423 int (**psign) (EVP_PKEY_CTX *ctx,
1424 unsigned char *sig, size_t *siglen,
1425 const unsigned char *tbs,
1429 *psign_init = pmeth->sign_init;
1431 *psign = pmeth->sign;
1434 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1435 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1436 int (**pverify) (EVP_PKEY_CTX *ctx,
1437 const unsigned char *sig,
1439 const unsigned char *tbs,
1443 *pverify_init = pmeth->verify_init;
1445 *pverify = pmeth->verify;
1448 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1449 int (**pverify_recover_init) (EVP_PKEY_CTX
1451 int (**pverify_recover) (EVP_PKEY_CTX
1460 if (pverify_recover_init)
1461 *pverify_recover_init = pmeth->verify_recover_init;
1462 if (pverify_recover)
1463 *pverify_recover = pmeth->verify_recover;
1466 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1467 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1469 int (**psignctx) (EVP_PKEY_CTX *ctx,
1475 *psignctx_init = pmeth->signctx_init;
1477 *psignctx = pmeth->signctx;
1480 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1481 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1483 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1484 const unsigned char *sig,
1488 if (pverifyctx_init)
1489 *pverifyctx_init = pmeth->verifyctx_init;
1491 *pverifyctx = pmeth->verifyctx;
1494 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1495 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1496 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1499 const unsigned char *in,
1503 *pencrypt_init = pmeth->encrypt_init;
1505 *pencryptfn = pmeth->encrypt;
1508 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1509 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1510 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1513 const unsigned char *in,
1517 *pdecrypt_init = pmeth->decrypt_init;
1519 *pdecrypt = pmeth->decrypt;
1522 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1523 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1524 int (**pderive) (EVP_PKEY_CTX *ctx,
1529 *pderive_init = pmeth->derive_init;
1531 *pderive = pmeth->derive;
1534 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1535 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1537 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1542 *pctrl = pmeth->ctrl;
1544 *pctrl_str = pmeth->ctrl_str;
1547 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1548 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1549 const unsigned char *tbs, size_t tbslen))
1552 *digestsign = pmeth->digestsign;
1555 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1556 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1557 size_t siglen, const unsigned char *tbs,
1561 *digestverify = pmeth->digestverify;
1564 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1565 int (**pcheck) (EVP_PKEY *pkey))
1568 *pcheck = pmeth->check;
1571 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1572 int (**pcheck) (EVP_PKEY *pkey))
1575 *pcheck = pmeth->public_check;
1578 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1579 int (**pcheck) (EVP_PKEY *pkey))
1582 *pcheck = pmeth->param_check;
1585 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1586 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1589 if (pdigest_custom != NULL)
1590 *pdigest_custom = pmeth->digest_custom;
1593 #endif /* FIPS_MODULE */