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 "internal/ffc.h"
30 #include "internal/numbers.h"
31 #include "internal/provider.h"
32 #include "evp_local.h"
36 typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
37 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
39 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
41 /* This array needs to be in order of NIDs */
42 static pmeth_fn standard_methods[] = {
43 # ifndef OPENSSL_NO_RSA
46 # ifndef OPENSSL_NO_DH
49 # ifndef OPENSSL_NO_DSA
52 # ifndef OPENSSL_NO_EC
56 # ifndef OPENSSL_NO_CMAC
59 # ifndef OPENSSL_NO_RSA
62 # ifndef OPENSSL_NO_DH
65 # ifndef OPENSSL_NO_SCRYPT
69 # ifndef OPENSSL_NO_EC
74 # ifndef OPENSSL_NO_POLY1305
77 # ifndef OPENSSL_NO_SIPHASH
80 # ifndef OPENSSL_NO_EC
84 # ifndef OPENSSL_NO_SM2
89 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
91 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
93 return ((*a)->pkey_id - ((**b)())->pkey_id);
96 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
98 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
99 const EVP_PKEY_METHOD *const *b)
101 return ((*a)->pkey_id - (*b)->pkey_id);
104 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
108 const EVP_PKEY_METHOD *t = &tmp;
111 if (app_pkey_methods) {
113 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
115 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
117 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
118 sizeof(standard_methods) /
120 if (ret == NULL || *ret == NULL)
125 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
127 EVP_PKEY_METHOD *pmeth;
129 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
131 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
136 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
139 #endif /* FIPS_MODULE */
141 static int is_legacy_alg(int id, const char *keytype)
144 /* Certain EVP_PKEY keytypes are only available in legacy form */
146 id = OBJ_sn2nid(keytype);
148 id = OBJ_ln2nid(keytype);
154 * TODO(3.0): Remove SM2 and DHX when they are converted to have provider
159 case EVP_PKEY_SCRYPT:
163 case EVP_PKEY_SIPHASH:
164 case EVP_PKEY_POLY1305:
174 static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx,
175 EVP_PKEY *pkey, ENGINE *e,
176 const char *keytype, const char *propquery,
181 const EVP_PKEY_METHOD *pmeth = NULL;
182 EVP_KEYMGMT *keymgmt = NULL;
185 * When using providers, the context is bound to the algo implementation
188 if (pkey == NULL && e == NULL && id == -1)
192 * If the internal key is provided, we extract the keytype from its
193 * keymgmt and skip over the legacy code.
195 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
196 /* If we have an engine, something went wrong somewhere... */
197 if (!ossl_assert(e == NULL))
199 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
203 /* TODO(3.0) Legacy code should be removed when all is provider based */
212 * Here, we extract what information we can for the purpose of
213 * supporting usage with implementations from providers, to make
214 * for a smooth transition from legacy stuff to provider based stuff.
216 * If an engine is given, this is entirely legacy, and we should not
217 * pretend anything else, so we only set the name when no engine is
218 * given. If both are already given, someone made a mistake, and
219 * since that can only happen internally, it's safe to make an
222 if (!ossl_assert(e == NULL || keytype == NULL))
225 keytype = OBJ_nid2sn(id);
227 # ifndef OPENSSL_NO_ENGINE
228 if (e == NULL && pkey != NULL)
229 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
230 /* Try to find an ENGINE which implements this method */
232 if (!ENGINE_init(e)) {
233 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
237 e = ENGINE_get_pkey_meth_engine(id);
241 * If an ENGINE handled this method look it up. Otherwise use internal
245 pmeth = ENGINE_get_pkey_meth(e, id);
248 pmeth = EVP_PKEY_meth_find(id);
251 # ifndef OPENSSL_NO_ENGINE
254 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
258 #endif /* FIPS_MODULE */
261 * If there's no engine and there's a name, we try fetching a provider
264 if (e == NULL && keytype != NULL) {
265 int legacy = is_legacy_alg(id, keytype);
268 /* This could fail so ignore errors */
272 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
275 } else if (keymgmt == NULL) {
276 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_FETCH_FAILED);
281 ret = OPENSSL_zalloc(sizeof(*ret));
283 EVP_KEYMGMT_free(keymgmt);
284 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
287 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
290 ret->libctx = libctx;
291 ret->propquery = propquery;
292 ret->keytype = keytype;
293 ret->keymgmt = keymgmt;
296 ret->operation = EVP_PKEY_OP_UNDEFINED;
299 EVP_PKEY_up_ref(pkey);
301 if (pmeth != NULL && pmeth->init != NULL) {
302 if (pmeth->init(ret) <= 0) {
304 EVP_PKEY_CTX_free(ret);
312 /*- All methods below can also be used in FIPS_MODULE */
314 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
316 const char *propquery)
318 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
321 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
322 const char *propquery)
324 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
327 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
329 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
330 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
331 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
332 EVP_SIGNATURE_free(ctx->op.sig.signature);
333 ctx->op.sig.sigprovctx = NULL;
334 ctx->op.sig.signature = NULL;
335 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
336 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
337 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
338 EVP_KEYEXCH_free(ctx->op.kex.exchange);
339 ctx->op.kex.exchprovctx = NULL;
340 ctx->op.kex.exchange = NULL;
342 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
344 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
345 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
346 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
347 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
348 ctx->op.ciph.ciphprovctx = NULL;
349 ctx->op.ciph.cipher = NULL;
350 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
351 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
352 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
357 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
361 if (ctx->pmeth && ctx->pmeth->cleanup)
362 ctx->pmeth->cleanup(ctx);
364 evp_pkey_ctx_free_old_ops(ctx);
365 EVP_KEYMGMT_free(ctx->keymgmt);
367 EVP_PKEY_free(ctx->pkey);
368 EVP_PKEY_free(ctx->peerkey);
369 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
370 ENGINE_finish(ctx->engine);
377 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
378 const EVP_PKEY_METHOD *meth)
381 *ppkey_id = meth->pkey_id;
383 *pflags = meth->flags;
386 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
388 int pkey_id = dst->pkey_id;
389 int flags = dst->flags;
393 /* We only copy the function pointers so restore the other values */
394 dst->pkey_id = pkey_id;
398 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
400 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
404 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
406 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
409 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
411 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
414 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
418 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
419 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
420 && pctx->op.kex.exchprovctx == NULL)
421 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
422 && pctx->op.sig.sigprovctx == NULL)))
424 # ifndef OPENSSL_NO_ENGINE
425 /* Make sure it's safe to copy a pkey context using an ENGINE */
426 if (pctx->engine && !ENGINE_init(pctx->engine)) {
427 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
431 rctx = OPENSSL_zalloc(sizeof(*rctx));
433 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
437 if (pctx->pkey != NULL)
438 EVP_PKEY_up_ref(pctx->pkey);
439 rctx->pkey = pctx->pkey;
440 rctx->operation = pctx->operation;
441 rctx->libctx = pctx->libctx;
442 rctx->keytype = pctx->keytype;
443 rctx->propquery = pctx->propquery;
445 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
446 if (pctx->op.kex.exchange != NULL) {
447 rctx->op.kex.exchange = pctx->op.kex.exchange;
448 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
453 if (pctx->op.kex.exchprovctx != NULL) {
454 if (!ossl_assert(pctx->op.kex.exchange != NULL))
456 rctx->op.kex.exchprovctx
457 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
458 if (rctx->op.kex.exchprovctx == NULL) {
459 EVP_KEYEXCH_free(rctx->op.kex.exchange);
465 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
466 if (pctx->op.sig.signature != NULL) {
467 rctx->op.sig.signature = pctx->op.sig.signature;
468 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
473 if (pctx->op.sig.sigprovctx != NULL) {
474 if (!ossl_assert(pctx->op.sig.signature != NULL))
476 rctx->op.sig.sigprovctx
477 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
478 if (rctx->op.sig.sigprovctx == NULL) {
479 EVP_SIGNATURE_free(rctx->op.sig.signature);
485 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
486 if (pctx->op.ciph.cipher != NULL) {
487 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
488 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
493 if (pctx->op.ciph.ciphprovctx != NULL) {
494 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
496 rctx->op.ciph.ciphprovctx
497 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
498 if (rctx->op.ciph.ciphprovctx == NULL) {
499 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
507 rctx->pmeth = pctx->pmeth;
508 # ifndef OPENSSL_NO_ENGINE
509 rctx->engine = pctx->engine;
513 EVP_PKEY_up_ref(pctx->peerkey);
514 rctx->peerkey = pctx->peerkey;
516 if (pctx->pmeth->copy(rctx, pctx) > 0)
520 EVP_PKEY_CTX_free(rctx);
525 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
527 if (app_pkey_methods == NULL) {
528 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
529 if (app_pkey_methods == NULL){
530 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
534 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
535 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
538 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
542 void evp_app_cleanup_int(void)
544 if (app_pkey_methods != NULL)
545 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
548 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
550 const EVP_PKEY_METHOD *ret;
552 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
554 return ret == NULL ? 0 : 1;
557 size_t EVP_PKEY_meth_get_count(void)
559 size_t rv = OSSL_NELEM(standard_methods);
561 if (app_pkey_methods)
562 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
566 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
568 if (idx < OSSL_NELEM(standard_methods))
569 return (standard_methods[idx])();
570 if (app_pkey_methods == NULL)
572 idx -= OSSL_NELEM(standard_methods);
573 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
575 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
579 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
581 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
582 && ctx->op.kex.exchprovctx != NULL
583 && ctx->op.kex.exchange != NULL
584 && ctx->op.kex.exchange->set_ctx_params != NULL)
585 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
587 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
588 && ctx->op.sig.sigprovctx != NULL
589 && ctx->op.sig.signature != NULL
590 && ctx->op.sig.signature->set_ctx_params != NULL)
591 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
593 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
594 && ctx->op.ciph.ciphprovctx != NULL
595 && ctx->op.ciph.cipher != NULL
596 && ctx->op.ciph.cipher->set_ctx_params != NULL)
597 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
599 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
600 && ctx->op.keymgmt.genctx != NULL
601 && ctx->keymgmt != NULL
602 && ctx->keymgmt->gen_set_params != NULL)
603 return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
608 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
610 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
611 && ctx->op.kex.exchprovctx != NULL
612 && ctx->op.kex.exchange != NULL
613 && ctx->op.kex.exchange->get_ctx_params != NULL)
614 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
616 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
617 && ctx->op.sig.sigprovctx != NULL
618 && ctx->op.sig.signature != NULL
619 && ctx->op.sig.signature->get_ctx_params != NULL)
620 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
622 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
623 && ctx->op.ciph.ciphprovctx != NULL
624 && ctx->op.ciph.cipher != NULL
625 && ctx->op.ciph.cipher->get_ctx_params != NULL)
626 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
632 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
636 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
637 && ctx->op.kex.exchange != NULL
638 && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
639 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
640 return ctx->op.kex.exchange->gettable_ctx_params(provctx);
642 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
643 && ctx->op.sig.signature != NULL
644 && ctx->op.sig.signature->gettable_ctx_params != NULL) {
645 provctx = ossl_provider_ctx(
646 EVP_SIGNATURE_provider(ctx->op.sig.signature));
647 return ctx->op.sig.signature->gettable_ctx_params(provctx);
649 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
650 && ctx->op.ciph.cipher != NULL
651 && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
652 provctx = ossl_provider_ctx(
653 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
654 return ctx->op.ciph.cipher->gettable_ctx_params(provctx);
659 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
663 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
664 && ctx->op.kex.exchange != NULL
665 && ctx->op.kex.exchange->settable_ctx_params != NULL) {
666 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
667 return ctx->op.kex.exchange->settable_ctx_params(provctx);
669 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
670 && ctx->op.sig.signature != NULL
671 && ctx->op.sig.signature->settable_ctx_params != NULL) {
672 provctx = ossl_provider_ctx(
673 EVP_SIGNATURE_provider(ctx->op.sig.signature));
674 return ctx->op.sig.signature->settable_ctx_params(provctx);
676 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
677 && ctx->op.ciph.cipher != NULL
678 && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
679 provctx = ossl_provider_ctx(
680 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
681 return ctx->op.ciph.cipher->settable_ctx_params(provctx);
683 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
684 && ctx->keymgmt != NULL)
685 return evp_keymgmt_gen_settable_params(ctx->keymgmt);
691 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
693 * Return 1 on success, 0 or negative for errors.
695 * In particular they return -2 if any of the params is not supported.
697 * They are not available in FIPS_MODULE as they depend on
698 * - EVP_PKEY_CTX_{get,set}_params()
699 * - EVP_PKEY_CTX_{gettable,settable}_params()
702 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
706 if (ctx == NULL || params == NULL)
709 for (p = params; p->key != NULL; p++) {
710 /* Check the ctx actually understands this parameter */
711 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
716 return EVP_PKEY_CTX_set_params(ctx, params);
719 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
723 if (ctx == NULL || params == NULL)
726 for (p = params; p->key != NULL; p++ ) {
727 /* Check the ctx actually understands this parameter */
728 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
733 return EVP_PKEY_CTX_get_params(ctx, params);
736 # ifndef OPENSSL_NO_DH
737 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
739 OSSL_PARAM dh_pad_params[2];
740 unsigned int upad = pad;
742 /* We use EVP_PKEY_CTX_ctrl return values */
743 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
744 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
748 /* TODO(3.0): Remove this eventually when no more legacy */
749 if (ctx->op.kex.exchprovctx == NULL)
750 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
751 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
753 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
754 dh_pad_params[1] = OSSL_PARAM_construct_end();
756 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
760 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
762 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
763 /* 80 should be big enough */
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_GET_MD, 0, (void *)(md));
778 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
781 *p = OSSL_PARAM_construct_end();
783 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
786 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
795 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
797 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
800 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
801 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
802 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
806 /* TODO(3.0): Remove this eventually when no more legacy */
807 if (ctx->op.sig.sigprovctx == NULL)
808 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
809 EVP_PKEY_CTRL_MD, 0, (void *)(md));
814 name = EVP_MD_name(md);
817 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
819 * Cast away the const. This is read
820 * only so should be safe
823 *p = OSSL_PARAM_construct_end();
825 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
828 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
830 OSSL_PARAM tls1_prf_md_params[2], *p = tls1_prf_md_params;
833 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
834 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
835 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
839 /* TODO(3.0): Remove this eventually when no more legacy */
840 if (ctx->op.kex.exchprovctx == NULL)
841 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
842 EVP_PKEY_CTRL_TLS_MD, 0, (void *)(md));
847 name = EVP_MD_name(md);
850 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
852 * Cast away the const. This is read
853 * only so should be safe
856 *p++ = OSSL_PARAM_construct_end();
858 return EVP_PKEY_CTX_set_params(ctx, tls1_prf_md_params);
861 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
862 const unsigned char *sec, int seclen)
864 OSSL_PARAM tls1_prf_secret_params[2], *p = tls1_prf_secret_params;
866 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
867 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
868 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
872 /* TODO(3.0): Remove this eventually when no more legacy */
873 if (ctx->op.kex.exchprovctx == NULL)
874 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
875 EVP_PKEY_CTRL_TLS_SECRET, seclen,
880 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_SECRET_LENGTH);
884 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
886 * Cast away the const. This is read
887 * only so should be safe
889 (unsigned char *)sec,
891 *p++ = OSSL_PARAM_construct_end();
893 return EVP_PKEY_CTX_set_params(ctx, tls1_prf_secret_params);
896 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
897 const unsigned char *seed, int seedlen)
899 OSSL_PARAM tls1_prf_seed_params[2], *p = tls1_prf_seed_params;
901 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
902 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
903 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
907 /* TODO(3.0): Remove this eventually when no more legacy */
908 if (ctx->op.kex.exchprovctx == NULL)
909 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
910 EVP_PKEY_CTRL_TLS_SEED, seedlen,
914 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_SEED_LENGTH);
918 *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
920 * Cast away the const. This is read
921 * only so should be safe
923 (unsigned char *)seed,
925 *p++ = OSSL_PARAM_construct_end();
927 return EVP_PKEY_CTX_set_params(ctx, tls1_prf_seed_params);
930 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
931 int cmd, int p1, void *p2)
934 * GOST CMS format is different for different cipher algorithms.
935 * Most of other algorithms don't have such a difference
936 * so this ctrl is just ignored.
938 if (cmd == EVP_PKEY_CTRL_CIPHER)
941 # ifndef OPENSSL_NO_DH
942 if (keytype == EVP_PKEY_DH) {
944 case EVP_PKEY_CTRL_DH_PAD:
945 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
946 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
947 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
948 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
949 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
950 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
951 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
952 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
953 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
954 case EVP_PKEY_CTRL_DH_RFC5114:
955 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
959 # ifndef OPENSSL_NO_DSA
960 if (keytype == EVP_PKEY_DSA) {
962 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
963 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
964 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
965 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
966 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
967 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
971 # ifndef OPENSSL_NO_EC
972 if (keytype == EVP_PKEY_EC) {
974 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
975 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
976 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
978 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
979 } else if (p1 < -1 || p1 > 1) {
980 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
983 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
985 case EVP_PKEY_CTRL_EC_KDF_TYPE:
987 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
989 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
991 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
992 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
993 case EVP_PKEY_CTRL_EC_KDF_MD:
994 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
995 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
996 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
997 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
998 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
999 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
1000 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
1001 case EVP_PKEY_CTRL_EC_KDF_UKM:
1002 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
1006 if (keytype == EVP_PKEY_RSA) {
1008 case EVP_PKEY_CTRL_RSA_OAEP_MD:
1009 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1010 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
1011 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
1012 case EVP_PKEY_CTRL_RSA_MGF1_MD:
1013 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1014 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
1015 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
1016 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
1017 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
1018 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
1019 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
1020 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
1021 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
1022 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
1023 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
1027 * keytype == -1 is used when several key types share the same structure,
1028 * or for generic controls that are the same across multiple key types.
1030 if (keytype == -1) {
1031 if (optype == EVP_PKEY_OP_DERIVE) {
1033 case EVP_PKEY_CTRL_TLS_MD:
1034 return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2);
1035 case EVP_PKEY_CTRL_TLS_SECRET:
1036 return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1);
1037 case EVP_PKEY_CTRL_TLS_SEED:
1038 return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1);
1042 case EVP_PKEY_CTRL_MD:
1043 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
1044 case EVP_PKEY_CTRL_GET_MD:
1045 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
1046 case EVP_PKEY_CTRL_RSA_PADDING:
1047 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
1048 case EVP_PKEY_CTRL_GET_RSA_PADDING:
1049 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
1050 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
1051 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
1052 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
1053 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
1054 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
1055 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
1056 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
1057 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
1058 # ifndef OPENSSL_NO_CMS
1059 case EVP_PKEY_CTRL_CMS_DECRYPT:
1060 case EVP_PKEY_CTRL_CMS_ENCRYPT:
1062 /* TODO (3.0) Temporary hack, this should probe */
1063 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
1065 ERR_raise(ERR_LIB_EVP,
1066 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
1073 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1074 int cmd, int p1, void *p2)
1079 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
1083 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1084 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1085 && ctx->op.sig.sigprovctx != NULL)
1086 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1087 && ctx->op.ciph.ciphprovctx != NULL)
1088 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1089 && ctx->op.keymgmt.genctx != NULL))
1090 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
1092 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
1093 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
1096 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
1099 /* Skip the operation checks since this is called in a very early stage */
1100 if (ctx->pmeth->digest_custom != NULL)
1103 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
1104 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
1108 if ((optype != -1) && !(ctx->operation & optype)) {
1109 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
1114 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
1117 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
1122 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1123 int cmd, uint64_t value)
1125 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
1128 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
1132 /* Special cases that we intercept */
1133 # ifndef OPENSSL_NO_EC
1135 * We don't support encoding settings for providers, i.e. the only
1136 * possible encoding is "named_curve", so we simply fail when something
1137 * else is given, and otherwise just pretend all is fine.
1139 if (strcmp(name, "ec_param_enc") == 0) {
1140 if (strcmp(value, "named_curve") == 0) {
1143 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1149 if (strcmp(name, "md") == 0)
1150 name = OSSL_ALG_PARAM_DIGEST;
1151 else if (strcmp(name, "rsa_padding_mode") == 0)
1152 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1153 else if (strcmp(name, "rsa_mgf1_md") == 0)
1154 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1155 else if (strcmp(name, "rsa_oaep_md") == 0)
1156 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1157 else if (strcmp(name, "rsa_oaep_label") == 0)
1158 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1159 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1160 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1161 else if (strcmp(name, "rsa_keygen_bits") == 0)
1162 name = OSSL_PKEY_PARAM_RSA_BITS;
1163 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1164 name = OSSL_PKEY_PARAM_RSA_E;
1165 else if (strcmp(name, "rsa_keygen_primes") == 0)
1166 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1167 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1168 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1169 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1170 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1171 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1172 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
1173 # ifndef OPENSSL_NO_DSA
1174 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1175 name = OSSL_PKEY_PARAM_FFC_PBITS;
1176 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1177 name = OSSL_PKEY_PARAM_FFC_QBITS;
1178 else if (strcmp(name, "dsa_paramgen_md") == 0)
1179 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1181 # ifndef OPENSSL_NO_DH
1182 else if (strcmp(name, "dh_paramgen_generator") == 0)
1183 name = OSSL_PKEY_PARAM_DH_GENERATOR;
1184 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1185 name = OSSL_PKEY_PARAM_FFC_PBITS;
1186 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1187 name = OSSL_PKEY_PARAM_FFC_QBITS;
1188 else if (strcmp(name, "dh_paramgen_type") == 0) {
1189 name = OSSL_PKEY_PARAM_FFC_TYPE;
1190 value = dh_gen_type_id2name(atoi(value));
1191 } else if (strcmp(name, "dh_param") == 0)
1192 name = OSSL_PKEY_PARAM_GROUP_NAME;
1193 else if (strcmp(name, "dh_rfc5114") == 0) {
1194 name = OSSL_PKEY_PARAM_GROUP_NAME;
1195 value = ffc_named_group_from_uid(atoi(value));
1196 } else if (strcmp(name, "dh_pad") == 0)
1197 name = OSSL_EXCHANGE_PARAM_PAD;
1199 # ifndef OPENSSL_NO_EC
1200 else if (strcmp(name, "ec_paramgen_curve") == 0)
1201 name = OSSL_PKEY_PARAM_GROUP_NAME;
1202 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1203 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1204 else if (strcmp(name, "ecdh_kdf_md") == 0)
1205 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1210 * TODO(3.0) reduce the code above to only translate known legacy
1211 * string to the corresponding core name (see core_names.h), but
1212 * otherwise leave it to this code block to do the actual work.
1214 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1215 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1219 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1220 strlen(value), &exists)) {
1222 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1223 "name=%s,value=%s", name, value);
1228 if (EVP_PKEY_CTX_set_params(ctx, params))
1230 OPENSSL_free(params[0].data);
1235 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1236 const char *name, const char *value)
1239 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1243 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1244 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1245 && ctx->op.sig.sigprovctx != NULL)
1246 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1247 && ctx->op.ciph.ciphprovctx != NULL)
1248 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1249 && ctx->op.keymgmt.genctx != NULL))
1250 return legacy_ctrl_str_to_param(ctx, name, value);
1252 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
1253 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1256 if (strcmp(name, "digest") == 0)
1257 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
1259 return ctx->pmeth->ctrl_str(ctx, name, value);
1262 /* Utility functions to send a string of hex string to a ctrl */
1264 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1271 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1274 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1280 bin = OPENSSL_hexstr2buf(hex, &binlen);
1283 if (binlen <= INT_MAX)
1284 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1289 /* Pass a message digest to a ctrl */
1290 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1294 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1295 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1298 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1301 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1303 return ctx->operation;
1306 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1308 ctx->keygen_info = dat;
1309 ctx->keygen_info_count = datlen;
1312 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1317 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1322 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1327 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1329 return ctx->peerkey;
1332 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1334 ctx->app_data = data;
1337 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1339 return ctx->app_data;
1342 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1343 int (*init) (EVP_PKEY_CTX *ctx))
1348 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1349 int (*copy) (EVP_PKEY_CTX *dst,
1350 const EVP_PKEY_CTX *src))
1355 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1356 void (*cleanup) (EVP_PKEY_CTX *ctx))
1358 pmeth->cleanup = cleanup;
1361 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1362 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1363 int (*paramgen) (EVP_PKEY_CTX *ctx,
1366 pmeth->paramgen_init = paramgen_init;
1367 pmeth->paramgen = paramgen;
1370 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1371 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1372 int (*keygen) (EVP_PKEY_CTX *ctx,
1375 pmeth->keygen_init = keygen_init;
1376 pmeth->keygen = keygen;
1379 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1380 int (*sign_init) (EVP_PKEY_CTX *ctx),
1381 int (*sign) (EVP_PKEY_CTX *ctx,
1382 unsigned char *sig, size_t *siglen,
1383 const unsigned char *tbs,
1386 pmeth->sign_init = sign_init;
1390 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1391 int (*verify_init) (EVP_PKEY_CTX *ctx),
1392 int (*verify) (EVP_PKEY_CTX *ctx,
1393 const unsigned char *sig,
1395 const unsigned char *tbs,
1398 pmeth->verify_init = verify_init;
1399 pmeth->verify = verify;
1402 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1403 int (*verify_recover_init) (EVP_PKEY_CTX
1405 int (*verify_recover) (EVP_PKEY_CTX
1414 pmeth->verify_recover_init = verify_recover_init;
1415 pmeth->verify_recover = verify_recover;
1418 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1419 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1421 int (*signctx) (EVP_PKEY_CTX *ctx,
1426 pmeth->signctx_init = signctx_init;
1427 pmeth->signctx = signctx;
1430 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1431 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1433 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1434 const unsigned char *sig,
1438 pmeth->verifyctx_init = verifyctx_init;
1439 pmeth->verifyctx = verifyctx;
1442 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1443 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1444 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1447 const unsigned char *in,
1450 pmeth->encrypt_init = encrypt_init;
1451 pmeth->encrypt = encryptfn;
1454 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1455 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1456 int (*decrypt) (EVP_PKEY_CTX *ctx,
1459 const unsigned char *in,
1462 pmeth->decrypt_init = decrypt_init;
1463 pmeth->decrypt = decrypt;
1466 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1467 int (*derive_init) (EVP_PKEY_CTX *ctx),
1468 int (*derive) (EVP_PKEY_CTX *ctx,
1472 pmeth->derive_init = derive_init;
1473 pmeth->derive = derive;
1476 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1477 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1479 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1484 pmeth->ctrl_str = ctrl_str;
1487 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1488 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1489 const unsigned char *tbs, size_t tbslen))
1491 pmeth->digestsign = digestsign;
1494 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1495 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1496 size_t siglen, const unsigned char *tbs,
1499 pmeth->digestverify = digestverify;
1502 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1503 int (*check) (EVP_PKEY *pkey))
1505 pmeth->check = check;
1508 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1509 int (*check) (EVP_PKEY *pkey))
1511 pmeth->public_check = check;
1514 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1515 int (*check) (EVP_PKEY *pkey))
1517 pmeth->param_check = check;
1520 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1521 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1524 pmeth->digest_custom = digest_custom;
1527 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1528 int (**pinit) (EVP_PKEY_CTX *ctx))
1530 *pinit = pmeth->init;
1533 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1534 int (**pcopy) (EVP_PKEY_CTX *dst,
1535 const EVP_PKEY_CTX *src))
1537 *pcopy = pmeth->copy;
1540 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1541 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1543 *pcleanup = pmeth->cleanup;
1546 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1547 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1548 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1552 *pparamgen_init = pmeth->paramgen_init;
1554 *pparamgen = pmeth->paramgen;
1557 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1558 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1559 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1563 *pkeygen_init = pmeth->keygen_init;
1565 *pkeygen = pmeth->keygen;
1568 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1569 int (**psign_init) (EVP_PKEY_CTX *ctx),
1570 int (**psign) (EVP_PKEY_CTX *ctx,
1571 unsigned char *sig, size_t *siglen,
1572 const unsigned char *tbs,
1576 *psign_init = pmeth->sign_init;
1578 *psign = pmeth->sign;
1581 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1582 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1583 int (**pverify) (EVP_PKEY_CTX *ctx,
1584 const unsigned char *sig,
1586 const unsigned char *tbs,
1590 *pverify_init = pmeth->verify_init;
1592 *pverify = pmeth->verify;
1595 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1596 int (**pverify_recover_init) (EVP_PKEY_CTX
1598 int (**pverify_recover) (EVP_PKEY_CTX
1607 if (pverify_recover_init)
1608 *pverify_recover_init = pmeth->verify_recover_init;
1609 if (pverify_recover)
1610 *pverify_recover = pmeth->verify_recover;
1613 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1614 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1616 int (**psignctx) (EVP_PKEY_CTX *ctx,
1622 *psignctx_init = pmeth->signctx_init;
1624 *psignctx = pmeth->signctx;
1627 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1628 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1630 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1631 const unsigned char *sig,
1635 if (pverifyctx_init)
1636 *pverifyctx_init = pmeth->verifyctx_init;
1638 *pverifyctx = pmeth->verifyctx;
1641 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1642 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1643 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1646 const unsigned char *in,
1650 *pencrypt_init = pmeth->encrypt_init;
1652 *pencryptfn = pmeth->encrypt;
1655 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1656 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1657 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1660 const unsigned char *in,
1664 *pdecrypt_init = pmeth->decrypt_init;
1666 *pdecrypt = pmeth->decrypt;
1669 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1670 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1671 int (**pderive) (EVP_PKEY_CTX *ctx,
1676 *pderive_init = pmeth->derive_init;
1678 *pderive = pmeth->derive;
1681 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1682 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1684 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1689 *pctrl = pmeth->ctrl;
1691 *pctrl_str = pmeth->ctrl_str;
1694 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1695 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1696 const unsigned char *tbs, size_t tbslen))
1699 *digestsign = pmeth->digestsign;
1702 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1703 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1704 size_t siglen, const unsigned char *tbs,
1708 *digestverify = pmeth->digestverify;
1711 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1712 int (**pcheck) (EVP_PKEY *pkey))
1715 *pcheck = pmeth->check;
1718 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1719 int (**pcheck) (EVP_PKEY *pkey))
1722 *pcheck = pmeth->public_check;
1725 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1726 int (**pcheck) (EVP_PKEY *pkey))
1729 *pcheck = pmeth->param_check;
1732 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1733 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1736 if (pdigest_custom != NULL)
1737 *pdigest_custom = pmeth->digest_custom;
1740 #endif /* FIPS_MODULE */