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_MODE */
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 key doesn't contain anything legacy, then it must be provided,
159 * so we extract the necessary information and use that.
161 if (pkey != NULL && pkey->type == EVP_PKEY_NONE) {
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_MODE */
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_MODE)
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_MODE */
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_MODE)
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,
616 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
617 && ctx->op.keymgmt.genctx != NULL
618 && ctx->keymgmt != NULL
619 && ctx->keymgmt->gen_get_params != NULL)
620 return evp_keymgmt_gen_get_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
625 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
627 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
628 && ctx->op.kex.exchange != NULL
629 && ctx->op.kex.exchange->gettable_ctx_params != NULL)
630 return ctx->op.kex.exchange->gettable_ctx_params();
631 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
632 && ctx->op.sig.signature != NULL
633 && ctx->op.sig.signature->gettable_ctx_params != NULL)
634 return ctx->op.sig.signature->gettable_ctx_params();
636 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
637 && ctx->op.ciph.cipher != NULL
638 && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
639 return ctx->op.ciph.cipher->gettable_ctx_params();
644 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
646 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
647 && ctx->op.kex.exchange != NULL
648 && ctx->op.kex.exchange->settable_ctx_params != NULL)
649 return ctx->op.kex.exchange->settable_ctx_params();
650 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
651 && ctx->op.sig.signature != NULL
652 && ctx->op.sig.signature->settable_ctx_params != NULL)
653 return ctx->op.sig.signature->settable_ctx_params();
654 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
655 && ctx->op.ciph.cipher != NULL
656 && ctx->op.ciph.cipher->settable_ctx_params != NULL)
657 return ctx->op.ciph.cipher->settable_ctx_params();
658 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
659 && ctx->keymgmt != NULL
660 && ctx->keymgmt->gen_settable_params != NULL)
661 return evp_keymgmt_gen_settable_params(ctx->keymgmt);
667 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
669 * Return 1 on success, 0 or negative for errors.
671 * In particular they return -2 if any of the params is not supported.
673 * They are not available in FIPS_MODE as they depend on
674 * - EVP_PKEY_CTX_{get,set}_params()
675 * - EVP_PKEY_CTX_{gettable,settable}_params()
678 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
682 if (ctx == NULL || params == NULL)
685 for (p = params; p->key != NULL; p++) {
686 /* Check the ctx actually understands this parameter */
687 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
692 return EVP_PKEY_CTX_set_params(ctx, params);
695 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
699 if (ctx == NULL || params == NULL)
702 for (p = params; p->key != NULL; p++ ) {
703 /* Check the ctx actually understands this parameter */
704 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
709 return EVP_PKEY_CTX_get_params(ctx, params);
712 # ifndef OPENSSL_NO_DH
713 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
715 OSSL_PARAM dh_pad_params[2];
716 unsigned int upad = pad;
718 /* We use EVP_PKEY_CTX_ctrl return values */
719 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
720 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
724 /* TODO(3.0): Remove this eventually when no more legacy */
725 if (ctx->op.kex.exchprovctx == NULL)
726 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
727 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
729 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
730 dh_pad_params[1] = OSSL_PARAM_construct_end();
732 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
736 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
738 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
739 /* 80 should be big enough */
743 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
744 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
745 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
749 /* TODO(3.0): Remove this eventually when no more legacy */
750 if (ctx->op.sig.sigprovctx == NULL)
751 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
752 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
754 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
757 *p++ = OSSL_PARAM_construct_end();
759 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
762 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
771 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
773 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
776 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
777 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
778 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
782 /* TODO(3.0): Remove this eventually when no more legacy */
783 if (ctx->op.sig.sigprovctx == NULL)
784 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
785 EVP_PKEY_CTRL_MD, 0, (void *)(md));
790 name = EVP_MD_name(md);
793 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
795 * Cast away the const. This is read
796 * only so should be safe
799 *p++ = OSSL_PARAM_construct_end();
801 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
804 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
805 int cmd, int p1, void *p2)
808 * GOST CMS format is different for different cipher algorithms.
809 * Most of other algorithms don't have such a difference
810 * so this ctrl is just ignored.
812 if (cmd == EVP_PKEY_CTRL_CIPHER)
815 # ifndef OPENSSL_NO_DH
816 if (keytype == EVP_PKEY_DH) {
818 case EVP_PKEY_CTRL_DH_PAD:
819 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
820 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
821 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
822 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
823 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
824 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
825 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
826 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
827 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
828 case EVP_PKEY_CTRL_DH_RFC5114:
829 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
833 # ifndef OPENSSL_NO_DSA
834 if (keytype == EVP_PKEY_DSA) {
836 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
837 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
838 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
839 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
840 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
841 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
845 # ifndef OPENSSL_NO_EC
846 if (keytype == EVP_PKEY_EC) {
848 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
849 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
850 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
852 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
853 } else if (p1 < -1 || p1 > 1) {
854 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
857 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
859 case EVP_PKEY_CTRL_EC_KDF_TYPE:
861 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
863 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
865 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
866 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
867 case EVP_PKEY_CTRL_EC_KDF_MD:
868 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
869 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
870 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
871 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
872 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
873 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
874 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
875 case EVP_PKEY_CTRL_EC_KDF_UKM:
876 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
880 if (keytype == EVP_PKEY_RSA) {
882 case EVP_PKEY_CTRL_RSA_OAEP_MD:
883 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
884 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
885 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
886 case EVP_PKEY_CTRL_RSA_MGF1_MD:
887 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
888 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
889 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
890 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
891 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
892 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
893 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
894 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
895 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
896 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
897 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
901 * keytype == -1 is used when several key types share the same structure,
902 * or for generic controls that are the same across multiple key types.
906 case EVP_PKEY_CTRL_MD:
907 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
908 case EVP_PKEY_CTRL_GET_MD:
909 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
910 case EVP_PKEY_CTRL_RSA_PADDING:
911 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
912 case EVP_PKEY_CTRL_GET_RSA_PADDING:
913 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
914 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
915 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
916 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
917 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
918 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
919 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
920 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
921 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
922 # ifndef OPENSSL_NO_CMS
923 case EVP_PKEY_CTRL_CMS_DECRYPT:
924 case EVP_PKEY_CTRL_CMS_ENCRYPT:
926 /* TODO (3.0) Temporary hack, this should probe */
927 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
929 ERR_raise(ERR_LIB_EVP,
930 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
937 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
938 int cmd, int p1, void *p2)
943 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
947 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
948 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
949 && ctx->op.sig.sigprovctx != NULL)
950 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
951 && ctx->op.ciph.ciphprovctx != NULL)
952 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
953 && ctx->op.keymgmt.genctx != NULL))
954 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
956 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
957 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
960 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
963 /* Skip the operation checks since this is called in a very early stage */
964 if (ctx->pmeth->digest_custom != NULL)
967 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
968 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
972 if ((optype != -1) && !(ctx->operation & optype)) {
973 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
978 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
981 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
986 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
987 int cmd, uint64_t value)
989 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
992 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
996 /* Special cases that we intercept */
997 # ifndef OPENSSL_NO_EC
999 * We don't support encoding settings for providers, i.e. the only
1000 * possible encoding is "named_curve", so we simply fail when something
1001 * else is given, and otherwise just pretend all is fine.
1003 if (strcmp(name, "ec_param_enc") == 0) {
1004 if (strcmp(value, "named_curve") == 0) {
1007 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1013 if (strcmp(name, "rsa_padding_mode") == 0)
1014 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1015 else if (strcmp(name, "rsa_mgf1_md") == 0)
1016 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1017 else if (strcmp(name, "rsa_oaep_md") == 0)
1018 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1019 else if (strcmp(name, "rsa_oaep_label") == 0)
1020 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1021 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1022 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1023 else if (strcmp(name, "rsa_keygen_bits") == 0)
1024 name = OSSL_PKEY_PARAM_RSA_BITS;
1025 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1026 name = OSSL_PKEY_PARAM_RSA_E;
1027 else if (strcmp(name, "rsa_keygen_primes") == 0)
1028 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1029 # ifndef OPENSSL_NO_DSA
1030 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1031 name = OSSL_PKEY_PARAM_FFC_PBITS;
1032 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1033 name = OSSL_PKEY_PARAM_FFC_QBITS;
1034 else if (strcmp(name, "dsa_paramgen_md") == 0)
1035 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1037 # ifndef OPENSSL_NO_DH
1038 else if (strcmp(name, "dh_paramgen_generator") == 0)
1039 name = OSSL_PKEY_PARAM_FFC_GENERATOR;
1040 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1041 name = OSSL_PKEY_PARAM_FFC_PBITS;
1042 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1043 name = OSSL_PKEY_PARAM_FFC_QBITS;
1044 else if (strcmp(name, "dh_paramgen_type") == 0) {
1045 name = OSSL_PKEY_PARAM_FFC_TYPE;
1046 value = dh_gen_type_id2name(atoi(value));
1047 } else if (strcmp(name, "dh_param") == 0)
1048 name = OSSL_PKEY_PARAM_FFC_GROUP;
1049 else if (strcmp(name, "dh_rfc5114") == 0) {
1050 name = OSSL_PKEY_PARAM_FFC_GROUP;
1051 value = ffc_named_group_from_uid(atoi(value));
1052 } else if (strcmp(name, "dh_pad") == 0)
1053 name = OSSL_EXCHANGE_PARAM_PAD;
1055 # ifndef OPENSSL_NO_EC
1056 else if (strcmp(name, "ec_paramgen_curve") == 0)
1057 name = OSSL_PKEY_PARAM_EC_NAME;
1058 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1059 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1060 else if (strcmp(name, "ecdh_kdf_md") == 0)
1061 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1066 * TODO(3.0) reduce the code above to only translate known legacy
1067 * string to the corresponding core name (see core_names.h), but
1068 * otherwise leave it to this code block to do the actual work.
1070 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1071 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1075 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1076 strlen(value), &exists)) {
1078 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1083 if (EVP_PKEY_CTX_set_params(ctx, params))
1085 OPENSSL_free(params[0].data);
1090 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1091 const char *name, const char *value)
1094 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1098 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1099 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1100 && ctx->op.sig.sigprovctx != NULL)
1101 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1102 && ctx->op.ciph.ciphprovctx != NULL)
1103 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1104 && ctx->op.keymgmt.genctx != NULL))
1105 return legacy_ctrl_str_to_param(ctx, name, value);
1107 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
1108 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1111 if (strcmp(name, "digest") == 0)
1112 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
1114 return ctx->pmeth->ctrl_str(ctx, name, value);
1117 /* Utility functions to send a string of hex string to a ctrl */
1119 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1126 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1129 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1135 bin = OPENSSL_hexstr2buf(hex, &binlen);
1138 if (binlen <= INT_MAX)
1139 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1144 /* Pass a message digest to a ctrl */
1145 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1149 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1150 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1153 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1156 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1158 return ctx->operation;
1161 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1163 ctx->keygen_info = dat;
1164 ctx->keygen_info_count = datlen;
1167 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1172 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1177 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1182 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1184 return ctx->peerkey;
1187 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1189 ctx->app_data = data;
1192 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1194 return ctx->app_data;
1197 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1198 int (*init) (EVP_PKEY_CTX *ctx))
1203 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1204 int (*copy) (EVP_PKEY_CTX *dst,
1205 const EVP_PKEY_CTX *src))
1210 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1211 void (*cleanup) (EVP_PKEY_CTX *ctx))
1213 pmeth->cleanup = cleanup;
1216 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1217 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1218 int (*paramgen) (EVP_PKEY_CTX *ctx,
1221 pmeth->paramgen_init = paramgen_init;
1222 pmeth->paramgen = paramgen;
1225 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1226 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1227 int (*keygen) (EVP_PKEY_CTX *ctx,
1230 pmeth->keygen_init = keygen_init;
1231 pmeth->keygen = keygen;
1234 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1235 int (*sign_init) (EVP_PKEY_CTX *ctx),
1236 int (*sign) (EVP_PKEY_CTX *ctx,
1237 unsigned char *sig, size_t *siglen,
1238 const unsigned char *tbs,
1241 pmeth->sign_init = sign_init;
1245 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1246 int (*verify_init) (EVP_PKEY_CTX *ctx),
1247 int (*verify) (EVP_PKEY_CTX *ctx,
1248 const unsigned char *sig,
1250 const unsigned char *tbs,
1253 pmeth->verify_init = verify_init;
1254 pmeth->verify = verify;
1257 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1258 int (*verify_recover_init) (EVP_PKEY_CTX
1260 int (*verify_recover) (EVP_PKEY_CTX
1269 pmeth->verify_recover_init = verify_recover_init;
1270 pmeth->verify_recover = verify_recover;
1273 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1274 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1276 int (*signctx) (EVP_PKEY_CTX *ctx,
1281 pmeth->signctx_init = signctx_init;
1282 pmeth->signctx = signctx;
1285 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1286 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1288 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1289 const unsigned char *sig,
1293 pmeth->verifyctx_init = verifyctx_init;
1294 pmeth->verifyctx = verifyctx;
1297 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1298 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1299 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1302 const unsigned char *in,
1305 pmeth->encrypt_init = encrypt_init;
1306 pmeth->encrypt = encryptfn;
1309 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1310 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1311 int (*decrypt) (EVP_PKEY_CTX *ctx,
1314 const unsigned char *in,
1317 pmeth->decrypt_init = decrypt_init;
1318 pmeth->decrypt = decrypt;
1321 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1322 int (*derive_init) (EVP_PKEY_CTX *ctx),
1323 int (*derive) (EVP_PKEY_CTX *ctx,
1327 pmeth->derive_init = derive_init;
1328 pmeth->derive = derive;
1331 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1332 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1334 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1339 pmeth->ctrl_str = ctrl_str;
1342 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1343 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1344 const unsigned char *tbs, size_t tbslen))
1346 pmeth->digestsign = digestsign;
1349 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1350 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1351 size_t siglen, const unsigned char *tbs,
1354 pmeth->digestverify = digestverify;
1357 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1358 int (*check) (EVP_PKEY *pkey))
1360 pmeth->check = check;
1363 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1364 int (*check) (EVP_PKEY *pkey))
1366 pmeth->public_check = check;
1369 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1370 int (*check) (EVP_PKEY *pkey))
1372 pmeth->param_check = check;
1375 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1376 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1379 pmeth->digest_custom = digest_custom;
1382 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1383 int (**pinit) (EVP_PKEY_CTX *ctx))
1385 *pinit = pmeth->init;
1388 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1389 int (**pcopy) (EVP_PKEY_CTX *dst,
1390 const EVP_PKEY_CTX *src))
1392 *pcopy = pmeth->copy;
1395 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1396 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1398 *pcleanup = pmeth->cleanup;
1401 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1402 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1403 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1407 *pparamgen_init = pmeth->paramgen_init;
1409 *pparamgen = pmeth->paramgen;
1412 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1413 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1414 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1418 *pkeygen_init = pmeth->keygen_init;
1420 *pkeygen = pmeth->keygen;
1423 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1424 int (**psign_init) (EVP_PKEY_CTX *ctx),
1425 int (**psign) (EVP_PKEY_CTX *ctx,
1426 unsigned char *sig, size_t *siglen,
1427 const unsigned char *tbs,
1431 *psign_init = pmeth->sign_init;
1433 *psign = pmeth->sign;
1436 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1437 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1438 int (**pverify) (EVP_PKEY_CTX *ctx,
1439 const unsigned char *sig,
1441 const unsigned char *tbs,
1445 *pverify_init = pmeth->verify_init;
1447 *pverify = pmeth->verify;
1450 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1451 int (**pverify_recover_init) (EVP_PKEY_CTX
1453 int (**pverify_recover) (EVP_PKEY_CTX
1462 if (pverify_recover_init)
1463 *pverify_recover_init = pmeth->verify_recover_init;
1464 if (pverify_recover)
1465 *pverify_recover = pmeth->verify_recover;
1468 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1469 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1471 int (**psignctx) (EVP_PKEY_CTX *ctx,
1477 *psignctx_init = pmeth->signctx_init;
1479 *psignctx = pmeth->signctx;
1482 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1483 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1485 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1486 const unsigned char *sig,
1490 if (pverifyctx_init)
1491 *pverifyctx_init = pmeth->verifyctx_init;
1493 *pverifyctx = pmeth->verifyctx;
1496 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1497 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1498 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1501 const unsigned char *in,
1505 *pencrypt_init = pmeth->encrypt_init;
1507 *pencryptfn = pmeth->encrypt;
1510 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1511 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1512 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1515 const unsigned char *in,
1519 *pdecrypt_init = pmeth->decrypt_init;
1521 *pdecrypt = pmeth->decrypt;
1524 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1525 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1526 int (**pderive) (EVP_PKEY_CTX *ctx,
1531 *pderive_init = pmeth->derive_init;
1533 *pderive = pmeth->derive;
1536 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1537 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1539 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1544 *pctrl = pmeth->ctrl;
1546 *pctrl_str = pmeth->ctrl_str;
1549 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1550 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1551 const unsigned char *tbs, size_t tbslen))
1554 *digestsign = pmeth->digestsign;
1557 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1558 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1559 size_t siglen, const unsigned char *tbs,
1563 *digestverify = pmeth->digestverify;
1566 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1567 int (**pcheck) (EVP_PKEY *pkey))
1570 *pcheck = pmeth->check;
1573 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1574 int (**pcheck) (EVP_PKEY *pkey))
1577 *pcheck = pmeth->public_check;
1580 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1581 int (**pcheck) (EVP_PKEY *pkey))
1584 *pcheck = pmeth->param_check;
1587 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1588 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1591 if (pdigest_custom != NULL)
1592 *pdigest_custom = pmeth->digest_custom;
1595 #endif /* FIPS_MODE */