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 int is_legacy_alg(int id, const char *keytype)
143 /* Certain EVP_PKEY keytypes are only available in legacy form */
145 id = OBJ_sn2nid(keytype);
147 id = OBJ_ln2nid(keytype);
153 * TODO(3.0): Remove SM2 and DHX when they are converted to have provider
158 case EVP_PKEY_SCRYPT:
159 case EVP_PKEY_TLS1_PRF:
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)
634 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
635 && ctx->op.kex.exchange != NULL
636 && ctx->op.kex.exchange->gettable_ctx_params != NULL)
637 return ctx->op.kex.exchange->gettable_ctx_params();
638 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
639 && ctx->op.sig.signature != NULL
640 && ctx->op.sig.signature->gettable_ctx_params != NULL)
641 return ctx->op.sig.signature->gettable_ctx_params();
642 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
643 && ctx->op.ciph.cipher != NULL
644 && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
645 return ctx->op.ciph.cipher->gettable_ctx_params();
649 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
651 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
652 && ctx->op.kex.exchange != NULL
653 && ctx->op.kex.exchange->settable_ctx_params != NULL)
654 return ctx->op.kex.exchange->settable_ctx_params();
655 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
656 && ctx->op.sig.signature != NULL
657 && ctx->op.sig.signature->settable_ctx_params != NULL)
658 return ctx->op.sig.signature->settable_ctx_params();
659 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
660 && ctx->op.ciph.cipher != NULL
661 && ctx->op.ciph.cipher->settable_ctx_params != NULL)
662 return ctx->op.ciph.cipher->settable_ctx_params();
663 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
664 && ctx->keymgmt != NULL)
665 return evp_keymgmt_gen_settable_params(ctx->keymgmt);
671 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
673 * Return 1 on success, 0 or negative for errors.
675 * In particular they return -2 if any of the params is not supported.
677 * They are not available in FIPS_MODULE as they depend on
678 * - EVP_PKEY_CTX_{get,set}_params()
679 * - EVP_PKEY_CTX_{gettable,settable}_params()
682 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
686 if (ctx == NULL || params == NULL)
689 for (p = params; p->key != NULL; p++) {
690 /* Check the ctx actually understands this parameter */
691 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
696 return EVP_PKEY_CTX_set_params(ctx, params);
699 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
703 if (ctx == NULL || params == NULL)
706 for (p = params; p->key != NULL; p++ ) {
707 /* Check the ctx actually understands this parameter */
708 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
713 return EVP_PKEY_CTX_get_params(ctx, params);
716 # ifndef OPENSSL_NO_DH
717 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
719 OSSL_PARAM dh_pad_params[2];
720 unsigned int upad = pad;
722 /* We use EVP_PKEY_CTX_ctrl return values */
723 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
724 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
728 /* TODO(3.0): Remove this eventually when no more legacy */
729 if (ctx->op.kex.exchprovctx == NULL)
730 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
731 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
733 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
734 dh_pad_params[1] = OSSL_PARAM_construct_end();
736 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
740 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
742 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
743 /* 80 should be big enough */
747 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
748 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
749 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
753 /* TODO(3.0): Remove this eventually when no more legacy */
754 if (ctx->op.sig.sigprovctx == NULL)
755 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
756 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
758 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
761 *p++ = OSSL_PARAM_construct_end();
763 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
766 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
775 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
777 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
780 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
781 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
782 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
786 /* TODO(3.0): Remove this eventually when no more legacy */
787 if (ctx->op.sig.sigprovctx == NULL)
788 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
789 EVP_PKEY_CTRL_MD, 0, (void *)(md));
794 name = EVP_MD_name(md);
797 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
799 * Cast away the const. This is read
800 * only so should be safe
803 *p++ = OSSL_PARAM_construct_end();
805 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
808 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
809 int cmd, int p1, void *p2)
812 * GOST CMS format is different for different cipher algorithms.
813 * Most of other algorithms don't have such a difference
814 * so this ctrl is just ignored.
816 if (cmd == EVP_PKEY_CTRL_CIPHER)
819 # ifndef OPENSSL_NO_DH
820 if (keytype == EVP_PKEY_DH) {
822 case EVP_PKEY_CTRL_DH_PAD:
823 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
824 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
825 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
826 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
827 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
828 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
829 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
830 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
831 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
832 case EVP_PKEY_CTRL_DH_RFC5114:
833 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
837 # ifndef OPENSSL_NO_DSA
838 if (keytype == EVP_PKEY_DSA) {
840 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
841 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
842 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
843 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
844 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
845 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
849 # ifndef OPENSSL_NO_EC
850 if (keytype == EVP_PKEY_EC) {
852 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
853 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
854 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
856 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
857 } else if (p1 < -1 || p1 > 1) {
858 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
861 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
863 case EVP_PKEY_CTRL_EC_KDF_TYPE:
865 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
867 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
869 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
870 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
871 case EVP_PKEY_CTRL_EC_KDF_MD:
872 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
873 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
874 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
875 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
876 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
877 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
878 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
879 case EVP_PKEY_CTRL_EC_KDF_UKM:
880 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
884 if (keytype == EVP_PKEY_RSA) {
886 case EVP_PKEY_CTRL_RSA_OAEP_MD:
887 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
888 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
889 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
890 case EVP_PKEY_CTRL_RSA_MGF1_MD:
891 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
892 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
893 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
894 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
895 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
896 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
897 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
898 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
899 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
900 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
901 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
905 * keytype == -1 is used when several key types share the same structure,
906 * or for generic controls that are the same across multiple key types.
910 case EVP_PKEY_CTRL_MD:
911 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
912 case EVP_PKEY_CTRL_GET_MD:
913 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
914 case EVP_PKEY_CTRL_RSA_PADDING:
915 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
916 case EVP_PKEY_CTRL_GET_RSA_PADDING:
917 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
918 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
919 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
920 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
921 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
922 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
923 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
924 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
925 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
926 # ifndef OPENSSL_NO_CMS
927 case EVP_PKEY_CTRL_CMS_DECRYPT:
928 case EVP_PKEY_CTRL_CMS_ENCRYPT:
930 /* TODO (3.0) Temporary hack, this should probe */
931 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
933 ERR_raise(ERR_LIB_EVP,
934 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
941 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
942 int cmd, int p1, void *p2)
947 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
951 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
952 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
953 && ctx->op.sig.sigprovctx != NULL)
954 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
955 && ctx->op.ciph.ciphprovctx != NULL)
956 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
957 && ctx->op.keymgmt.genctx != NULL))
958 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
960 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
961 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
964 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
967 /* Skip the operation checks since this is called in a very early stage */
968 if (ctx->pmeth->digest_custom != NULL)
971 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
972 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
976 if ((optype != -1) && !(ctx->operation & optype)) {
977 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
982 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
985 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
990 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
991 int cmd, uint64_t value)
993 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
996 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
1000 /* Special cases that we intercept */
1001 # ifndef OPENSSL_NO_EC
1003 * We don't support encoding settings for providers, i.e. the only
1004 * possible encoding is "named_curve", so we simply fail when something
1005 * else is given, and otherwise just pretend all is fine.
1007 if (strcmp(name, "ec_param_enc") == 0) {
1008 if (strcmp(value, "named_curve") == 0) {
1011 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1017 if (strcmp(name, "rsa_padding_mode") == 0)
1018 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1019 else if (strcmp(name, "rsa_mgf1_md") == 0)
1020 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1021 else if (strcmp(name, "rsa_oaep_md") == 0)
1022 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1023 else if (strcmp(name, "rsa_oaep_label") == 0)
1024 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1025 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1026 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1027 else if (strcmp(name, "rsa_keygen_bits") == 0)
1028 name = OSSL_PKEY_PARAM_RSA_BITS;
1029 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1030 name = OSSL_PKEY_PARAM_RSA_E;
1031 else if (strcmp(name, "rsa_keygen_primes") == 0)
1032 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1033 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1034 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1035 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1036 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1037 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1038 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
1039 # ifndef OPENSSL_NO_DSA
1040 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1041 name = OSSL_PKEY_PARAM_FFC_PBITS;
1042 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1043 name = OSSL_PKEY_PARAM_FFC_QBITS;
1044 else if (strcmp(name, "dsa_paramgen_md") == 0)
1045 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1047 # ifndef OPENSSL_NO_DH
1048 else if (strcmp(name, "dh_paramgen_generator") == 0)
1049 name = OSSL_PKEY_PARAM_DH_GENERATOR;
1050 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1051 name = OSSL_PKEY_PARAM_FFC_PBITS;
1052 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1053 name = OSSL_PKEY_PARAM_FFC_QBITS;
1054 else if (strcmp(name, "dh_paramgen_type") == 0) {
1055 name = OSSL_PKEY_PARAM_FFC_TYPE;
1056 value = dh_gen_type_id2name(atoi(value));
1057 } else if (strcmp(name, "dh_param") == 0)
1058 name = OSSL_PKEY_PARAM_DH_GROUP;
1059 else if (strcmp(name, "dh_rfc5114") == 0) {
1060 name = OSSL_PKEY_PARAM_DH_GROUP;
1061 value = ffc_named_group_from_uid(atoi(value));
1062 } else if (strcmp(name, "dh_pad") == 0)
1063 name = OSSL_EXCHANGE_PARAM_PAD;
1065 # ifndef OPENSSL_NO_EC
1066 else if (strcmp(name, "ec_paramgen_curve") == 0)
1067 name = OSSL_PKEY_PARAM_GROUP_NAME;
1068 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1069 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1070 else if (strcmp(name, "ecdh_kdf_md") == 0)
1071 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1076 * TODO(3.0) reduce the code above to only translate known legacy
1077 * string to the corresponding core name (see core_names.h), but
1078 * otherwise leave it to this code block to do the actual work.
1080 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1081 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1085 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1086 strlen(value), &exists)) {
1088 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1089 "name=%s,value=%s", name, value);
1094 if (EVP_PKEY_CTX_set_params(ctx, params))
1096 OPENSSL_free(params[0].data);
1101 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1102 const char *name, const char *value)
1105 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1109 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1110 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1111 && ctx->op.sig.sigprovctx != NULL)
1112 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1113 && ctx->op.ciph.ciphprovctx != NULL)
1114 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1115 && ctx->op.keymgmt.genctx != NULL))
1116 return legacy_ctrl_str_to_param(ctx, name, value);
1118 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
1119 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1122 if (strcmp(name, "digest") == 0)
1123 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
1125 return ctx->pmeth->ctrl_str(ctx, name, value);
1128 /* Utility functions to send a string of hex string to a ctrl */
1130 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1137 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1140 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1146 bin = OPENSSL_hexstr2buf(hex, &binlen);
1149 if (binlen <= INT_MAX)
1150 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1155 /* Pass a message digest to a ctrl */
1156 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1160 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1161 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1164 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1167 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1169 return ctx->operation;
1172 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1174 ctx->keygen_info = dat;
1175 ctx->keygen_info_count = datlen;
1178 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1183 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1188 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1193 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1195 return ctx->peerkey;
1198 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1200 ctx->app_data = data;
1203 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1205 return ctx->app_data;
1208 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1209 int (*init) (EVP_PKEY_CTX *ctx))
1214 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1215 int (*copy) (EVP_PKEY_CTX *dst,
1216 const EVP_PKEY_CTX *src))
1221 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1222 void (*cleanup) (EVP_PKEY_CTX *ctx))
1224 pmeth->cleanup = cleanup;
1227 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1228 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1229 int (*paramgen) (EVP_PKEY_CTX *ctx,
1232 pmeth->paramgen_init = paramgen_init;
1233 pmeth->paramgen = paramgen;
1236 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1237 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1238 int (*keygen) (EVP_PKEY_CTX *ctx,
1241 pmeth->keygen_init = keygen_init;
1242 pmeth->keygen = keygen;
1245 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1246 int (*sign_init) (EVP_PKEY_CTX *ctx),
1247 int (*sign) (EVP_PKEY_CTX *ctx,
1248 unsigned char *sig, size_t *siglen,
1249 const unsigned char *tbs,
1252 pmeth->sign_init = sign_init;
1256 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1257 int (*verify_init) (EVP_PKEY_CTX *ctx),
1258 int (*verify) (EVP_PKEY_CTX *ctx,
1259 const unsigned char *sig,
1261 const unsigned char *tbs,
1264 pmeth->verify_init = verify_init;
1265 pmeth->verify = verify;
1268 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1269 int (*verify_recover_init) (EVP_PKEY_CTX
1271 int (*verify_recover) (EVP_PKEY_CTX
1280 pmeth->verify_recover_init = verify_recover_init;
1281 pmeth->verify_recover = verify_recover;
1284 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1285 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1287 int (*signctx) (EVP_PKEY_CTX *ctx,
1292 pmeth->signctx_init = signctx_init;
1293 pmeth->signctx = signctx;
1296 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1297 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1299 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1300 const unsigned char *sig,
1304 pmeth->verifyctx_init = verifyctx_init;
1305 pmeth->verifyctx = verifyctx;
1308 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1309 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1310 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1313 const unsigned char *in,
1316 pmeth->encrypt_init = encrypt_init;
1317 pmeth->encrypt = encryptfn;
1320 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1321 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1322 int (*decrypt) (EVP_PKEY_CTX *ctx,
1325 const unsigned char *in,
1328 pmeth->decrypt_init = decrypt_init;
1329 pmeth->decrypt = decrypt;
1332 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1333 int (*derive_init) (EVP_PKEY_CTX *ctx),
1334 int (*derive) (EVP_PKEY_CTX *ctx,
1338 pmeth->derive_init = derive_init;
1339 pmeth->derive = derive;
1342 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1343 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1345 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1350 pmeth->ctrl_str = ctrl_str;
1353 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1354 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1355 const unsigned char *tbs, size_t tbslen))
1357 pmeth->digestsign = digestsign;
1360 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1361 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1362 size_t siglen, const unsigned char *tbs,
1365 pmeth->digestverify = digestverify;
1368 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1369 int (*check) (EVP_PKEY *pkey))
1371 pmeth->check = check;
1374 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1375 int (*check) (EVP_PKEY *pkey))
1377 pmeth->public_check = check;
1380 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1381 int (*check) (EVP_PKEY *pkey))
1383 pmeth->param_check = check;
1386 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1387 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1390 pmeth->digest_custom = digest_custom;
1393 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1394 int (**pinit) (EVP_PKEY_CTX *ctx))
1396 *pinit = pmeth->init;
1399 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1400 int (**pcopy) (EVP_PKEY_CTX *dst,
1401 const EVP_PKEY_CTX *src))
1403 *pcopy = pmeth->copy;
1406 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1407 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1409 *pcleanup = pmeth->cleanup;
1412 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1413 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1414 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1418 *pparamgen_init = pmeth->paramgen_init;
1420 *pparamgen = pmeth->paramgen;
1423 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1424 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1425 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1429 *pkeygen_init = pmeth->keygen_init;
1431 *pkeygen = pmeth->keygen;
1434 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1435 int (**psign_init) (EVP_PKEY_CTX *ctx),
1436 int (**psign) (EVP_PKEY_CTX *ctx,
1437 unsigned char *sig, size_t *siglen,
1438 const unsigned char *tbs,
1442 *psign_init = pmeth->sign_init;
1444 *psign = pmeth->sign;
1447 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1448 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1449 int (**pverify) (EVP_PKEY_CTX *ctx,
1450 const unsigned char *sig,
1452 const unsigned char *tbs,
1456 *pverify_init = pmeth->verify_init;
1458 *pverify = pmeth->verify;
1461 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1462 int (**pverify_recover_init) (EVP_PKEY_CTX
1464 int (**pverify_recover) (EVP_PKEY_CTX
1473 if (pverify_recover_init)
1474 *pverify_recover_init = pmeth->verify_recover_init;
1475 if (pverify_recover)
1476 *pverify_recover = pmeth->verify_recover;
1479 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1480 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1482 int (**psignctx) (EVP_PKEY_CTX *ctx,
1488 *psignctx_init = pmeth->signctx_init;
1490 *psignctx = pmeth->signctx;
1493 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1494 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1496 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1497 const unsigned char *sig,
1501 if (pverifyctx_init)
1502 *pverifyctx_init = pmeth->verifyctx_init;
1504 *pverifyctx = pmeth->verifyctx;
1507 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1508 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1509 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1512 const unsigned char *in,
1516 *pencrypt_init = pmeth->encrypt_init;
1518 *pencryptfn = pmeth->encrypt;
1521 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1522 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1523 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1526 const unsigned char *in,
1530 *pdecrypt_init = pmeth->decrypt_init;
1532 *pdecrypt = pmeth->decrypt;
1535 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1536 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1537 int (**pderive) (EVP_PKEY_CTX *ctx,
1542 *pderive_init = pmeth->derive_init;
1544 *pderive = pmeth->derive;
1547 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1548 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1550 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1555 *pctrl = pmeth->ctrl;
1557 *pctrl_str = pmeth->ctrl_str;
1560 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1561 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1562 const unsigned char *tbs, size_t tbslen))
1565 *digestsign = pmeth->digestsign;
1568 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1569 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1570 size_t siglen, const unsigned char *tbs,
1574 *digestverify = pmeth->digestverify;
1577 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1578 int (**pcheck) (EVP_PKEY *pkey))
1581 *pcheck = pmeth->check;
1584 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1585 int (**pcheck) (EVP_PKEY *pkey))
1588 *pcheck = pmeth->public_check;
1591 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1592 int (**pcheck) (EVP_PKEY *pkey))
1595 *pcheck = pmeth->param_check;
1598 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1599 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1602 if (pdigest_custom != NULL)
1603 *pdigest_custom = pmeth->digest_custom;
1606 #endif /* FIPS_MODULE */