mirror of
https://github.com/openssl/openssl.git
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7153f54437
Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14596)
2017 lines
68 KiB
C
2017 lines
68 KiB
C
/*
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* Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* Low level key APIs (DH etc) are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <openssl/engine.h>
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#include <openssl/evp.h>
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#include <openssl/x509v3.h>
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#include <openssl/core_names.h>
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#include <openssl/dh.h>
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#include <openssl/rsa.h>
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#include <openssl/kdf.h>
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#include "internal/cryptlib.h"
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#include "crypto/asn1.h"
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#include "crypto/evp.h"
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#include "crypto/dh.h"
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#include "crypto/ec.h"
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#include "internal/ffc.h"
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#include "internal/numbers.h"
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#include "internal/provider.h"
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#include "evp_local.h"
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#ifndef FIPS_MODULE
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static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
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int keytype, int optype,
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int cmd, const char *name,
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const void *data, size_t data_len);
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static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
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int cmd, const char *name);
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static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx);
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typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
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typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
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static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
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/* This array needs to be in order of NIDs */
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static pmeth_fn standard_methods[] = {
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ossl_rsa_pkey_method,
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# ifndef OPENSSL_NO_DH
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ossl_dh_pkey_method,
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# endif
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# ifndef OPENSSL_NO_DSA
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ossl_dsa_pkey_method,
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# endif
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# ifndef OPENSSL_NO_EC
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ossl_ec_pkey_method,
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# endif
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ossl_rsa_pss_pkey_method,
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# ifndef OPENSSL_NO_DH
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ossl_dhx_pkey_method,
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# endif
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# ifndef OPENSSL_NO_EC
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ossl_ecx25519_pkey_method,
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ossl_ecx448_pkey_method,
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# endif
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# ifndef OPENSSL_NO_EC
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ossl_ed25519_pkey_method,
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ossl_ed448_pkey_method,
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# endif
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};
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DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
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static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
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{
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return ((*a)->pkey_id - ((**b)())->pkey_id);
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
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static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
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const EVP_PKEY_METHOD *const *b)
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{
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return ((*a)->pkey_id - (*b)->pkey_id);
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}
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static const EVP_PKEY_METHOD *evp_pkey_meth_find_added_by_application(int type)
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{
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if (app_pkey_methods != NULL) {
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int idx;
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EVP_PKEY_METHOD tmp;
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tmp.pkey_id = type;
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idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
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if (idx >= 0)
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return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
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}
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return NULL;
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}
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const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
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{
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pmeth_fn *ret;
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EVP_PKEY_METHOD tmp;
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const EVP_PKEY_METHOD *t;
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if ((t = evp_pkey_meth_find_added_by_application(type)) != NULL)
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return t;
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tmp.pkey_id = type;
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t = &tmp;
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ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
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OSSL_NELEM(standard_methods));
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if (ret == NULL || *ret == NULL)
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return NULL;
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return (**ret)();
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}
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EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
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{
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EVP_PKEY_METHOD *pmeth;
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pmeth = OPENSSL_zalloc(sizeof(*pmeth));
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if (pmeth == NULL) {
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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pmeth->pkey_id = id;
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pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
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return pmeth;
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}
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static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
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void *arg)
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{
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int *type = arg;
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if (*type == NID_undef)
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*type = evp_pkey_name2type(keytype);
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}
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static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
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{
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int type = NID_undef;
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EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
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&type);
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return type;
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}
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#endif /* FIPS_MODULE */
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int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx)
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{
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if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
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return EVP_PKEY_STATE_UNKNOWN;
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if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
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&& ctx->op.kex.exchprovctx != NULL)
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|| (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
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&& ctx->op.sig.sigprovctx != NULL)
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|| (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
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&& ctx->op.ciph.ciphprovctx != NULL)
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|| (EVP_PKEY_CTX_IS_GEN_OP(ctx)
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&& ctx->op.keymgmt.genctx != NULL)
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|| (EVP_PKEY_CTX_IS_KEM_OP(ctx)
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&& ctx->op.encap.kemprovctx != NULL))
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return EVP_PKEY_STATE_PROVIDER;
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return EVP_PKEY_STATE_LEGACY;
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}
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static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx,
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EVP_PKEY *pkey, ENGINE *e,
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const char *keytype, const char *propquery,
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int id)
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{
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EVP_PKEY_CTX *ret = NULL;
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const EVP_PKEY_METHOD *pmeth = NULL;
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EVP_KEYMGMT *keymgmt = NULL;
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/*
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* If the given |pkey| is provided, we extract the keytype from its
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* keymgmt and skip over the legacy code.
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*/
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if (pkey != NULL && evp_pkey_is_provided(pkey)) {
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/* If we have an engine, something went wrong somewhere... */
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if (!ossl_assert(e == NULL))
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return NULL;
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keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
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goto common;
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}
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#ifndef FIPS_MODULE
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/* Code below to be removed when legacy support is dropped. */
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/* BEGIN legacy */
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if (id == -1) {
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if (pkey != NULL)
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id = pkey->type;
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else if (keytype != NULL)
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id = evp_pkey_name2type(keytype);
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if (id == NID_undef)
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id = -1;
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}
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/* If no ID was found here, we can only resort to find a keymgmt */
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if (id == -1)
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goto common;
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/*
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* Here, we extract what information we can for the purpose of
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* supporting usage with implementations from providers, to make
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* for a smooth transition from legacy stuff to provider based stuff.
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*
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* If an engine is given, this is entirely legacy, and we should not
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* pretend anything else, so we only set the name when no engine is
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* given. If both are already given, someone made a mistake, and
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* since that can only happen internally, it's safe to make an
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* assertion.
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*/
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if (!ossl_assert(e == NULL || keytype == NULL))
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return NULL;
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if (e == NULL)
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keytype = OBJ_nid2sn(id);
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# ifndef OPENSSL_NO_ENGINE
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if (e == NULL && pkey != NULL)
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e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
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/* Try to find an ENGINE which implements this method */
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if (e) {
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if (!ENGINE_init(e)) {
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ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
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return NULL;
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}
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} else {
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e = ENGINE_get_pkey_meth_engine(id);
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}
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/*
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* If an ENGINE handled this method look it up. Otherwise use internal
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* tables.
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*/
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if (e != NULL)
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pmeth = ENGINE_get_pkey_meth(e, id);
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else
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# endif
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pmeth = evp_pkey_meth_find_added_by_application(id);
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/* END legacy */
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#endif /* FIPS_MODULE */
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common:
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/*
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* If there's no engine and there's a name, we try fetching a provider
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* implementation.
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*/
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if (e == NULL && keytype != NULL) {
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keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
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if (keymgmt == NULL)
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return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
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#ifndef FIPS_MODULE
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/*
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* Chase down the legacy NID, as that might be needed for diverse
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* purposes, such as ensure that EVP_PKEY_type() can return sensible
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* values. We go through all keymgmt names, because the keytype
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* that's passed to this function doesn't necessarily translate
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* directly.
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* TODO: Remove this when #legacy keys are gone.
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*/
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if (keymgmt != NULL) {
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int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
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if (tmp_id != NID_undef) {
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if (id == -1) {
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id = tmp_id;
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} else {
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/*
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* It really really shouldn't differ. If it still does,
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* something is very wrong.
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*/
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if (!ossl_assert(id == tmp_id)) {
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ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
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EVP_KEYMGMT_free(keymgmt);
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return NULL;
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}
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}
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}
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}
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#endif
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}
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if (pmeth == NULL && keymgmt == NULL) {
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ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
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} else {
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ret = OPENSSL_zalloc(sizeof(*ret));
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if (ret == NULL)
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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}
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#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
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if ((ret == NULL || pmeth == NULL) && e != NULL)
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ENGINE_finish(e);
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#endif
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if (ret == NULL) {
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EVP_KEYMGMT_free(keymgmt);
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return NULL;
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}
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if (propquery != NULL) {
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ret->propquery = OPENSSL_strdup(propquery);
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if (ret->propquery == NULL) {
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OPENSSL_free(ret);
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EVP_KEYMGMT_free(keymgmt);
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return NULL;
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}
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}
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ret->libctx = libctx;
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ret->keytype = keytype;
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ret->keymgmt = keymgmt;
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ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */
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ret->engine = e;
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ret->pmeth = pmeth;
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ret->operation = EVP_PKEY_OP_UNDEFINED;
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ret->pkey = pkey;
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if (pkey != NULL)
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EVP_PKEY_up_ref(pkey);
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if (pmeth != NULL && pmeth->init != NULL) {
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if (pmeth->init(ret) <= 0) {
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ret->pmeth = NULL;
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EVP_PKEY_CTX_free(ret);
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return NULL;
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}
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}
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return ret;
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}
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/*- All methods below can also be used in FIPS_MODULE */
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EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
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const char *name,
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const char *propquery)
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{
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return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey,
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const char *propquery)
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{
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return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
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}
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void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
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{
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if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
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if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
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ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
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EVP_SIGNATURE_free(ctx->op.sig.signature);
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ctx->op.sig.sigprovctx = NULL;
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ctx->op.sig.signature = NULL;
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} else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
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if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
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ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
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EVP_KEYEXCH_free(ctx->op.kex.exchange);
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ctx->op.kex.exchprovctx = NULL;
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ctx->op.kex.exchange = NULL;
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} else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
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if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL)
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ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx);
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EVP_KEM_free(ctx->op.encap.kem);
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ctx->op.encap.kemprovctx = NULL;
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ctx->op.encap.kem = NULL;
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}
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else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
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if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
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ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
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EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
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ctx->op.ciph.ciphprovctx = NULL;
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ctx->op.ciph.cipher = NULL;
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} else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
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if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
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evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
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}
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}
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void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
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{
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if (ctx == NULL)
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return;
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if (ctx->pmeth && ctx->pmeth->cleanup)
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ctx->pmeth->cleanup(ctx);
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evp_pkey_ctx_free_old_ops(ctx);
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#ifndef FIPS_MODULE
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evp_pkey_ctx_free_all_cached_data(ctx);
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#endif
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EVP_KEYMGMT_free(ctx->keymgmt);
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OPENSSL_free(ctx->propquery);
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EVP_PKEY_free(ctx->pkey);
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EVP_PKEY_free(ctx->peerkey);
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#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
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ENGINE_finish(ctx->engine);
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#endif
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BN_free(ctx->rsa_pubexp);
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OPENSSL_free(ctx);
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}
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#ifndef FIPS_MODULE
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void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
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const EVP_PKEY_METHOD *meth)
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{
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if (ppkey_id)
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*ppkey_id = meth->pkey_id;
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if (pflags)
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*pflags = meth->flags;
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}
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void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
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{
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int pkey_id = dst->pkey_id;
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int flags = dst->flags;
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*dst = *src;
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/* We only copy the function pointers so restore the other values */
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dst->pkey_id = pkey_id;
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dst->flags = flags;
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}
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void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
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{
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if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
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OPENSSL_free(pmeth);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
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{
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return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
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{
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return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
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{
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EVP_PKEY_CTX *rctx;
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# ifndef OPENSSL_NO_ENGINE
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/* Make sure it's safe to copy a pkey context using an ENGINE */
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if (pctx->engine && !ENGINE_init(pctx->engine)) {
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ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
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return 0;
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}
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# endif
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rctx = OPENSSL_zalloc(sizeof(*rctx));
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if (rctx == NULL) {
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (pctx->pkey != NULL)
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EVP_PKEY_up_ref(pctx->pkey);
|
|
rctx->pkey = pctx->pkey;
|
|
rctx->operation = pctx->operation;
|
|
rctx->libctx = pctx->libctx;
|
|
rctx->keytype = pctx->keytype;
|
|
rctx->propquery = NULL;
|
|
if (pctx->propquery != NULL) {
|
|
rctx->propquery = OPENSSL_strdup(pctx->propquery);
|
|
if (rctx->propquery == NULL)
|
|
goto err;
|
|
}
|
|
rctx->legacy_keytype = pctx->legacy_keytype;
|
|
|
|
if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
|
|
if (pctx->op.kex.exchange != NULL) {
|
|
rctx->op.kex.exchange = pctx->op.kex.exchange;
|
|
if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange))
|
|
goto err;
|
|
}
|
|
if (pctx->op.kex.exchprovctx != NULL) {
|
|
if (!ossl_assert(pctx->op.kex.exchange != NULL))
|
|
goto err;
|
|
rctx->op.kex.exchprovctx
|
|
= pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
|
|
if (rctx->op.kex.exchprovctx == NULL) {
|
|
EVP_KEYEXCH_free(rctx->op.kex.exchange);
|
|
goto err;
|
|
}
|
|
return rctx;
|
|
}
|
|
} else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
|
|
if (pctx->op.sig.signature != NULL) {
|
|
rctx->op.sig.signature = pctx->op.sig.signature;
|
|
if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature))
|
|
goto err;
|
|
}
|
|
if (pctx->op.sig.sigprovctx != NULL) {
|
|
if (!ossl_assert(pctx->op.sig.signature != NULL))
|
|
goto err;
|
|
rctx->op.sig.sigprovctx
|
|
= pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
|
|
if (rctx->op.sig.sigprovctx == NULL) {
|
|
EVP_SIGNATURE_free(rctx->op.sig.signature);
|
|
goto err;
|
|
}
|
|
return rctx;
|
|
}
|
|
} else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
|
|
if (pctx->op.ciph.cipher != NULL) {
|
|
rctx->op.ciph.cipher = pctx->op.ciph.cipher;
|
|
if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher))
|
|
goto err;
|
|
}
|
|
if (pctx->op.ciph.ciphprovctx != NULL) {
|
|
if (!ossl_assert(pctx->op.ciph.cipher != NULL))
|
|
goto err;
|
|
rctx->op.ciph.ciphprovctx
|
|
= pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
|
|
if (rctx->op.ciph.ciphprovctx == NULL) {
|
|
EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
|
|
goto err;
|
|
}
|
|
return rctx;
|
|
}
|
|
} else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
|
|
if (pctx->op.encap.kem != NULL) {
|
|
rctx->op.encap.kem = pctx->op.encap.kem;
|
|
if (!EVP_KEM_up_ref(rctx->op.encap.kem))
|
|
goto err;
|
|
}
|
|
if (pctx->op.encap.kemprovctx != NULL) {
|
|
if (!ossl_assert(pctx->op.encap.kem != NULL))
|
|
goto err;
|
|
rctx->op.encap.kemprovctx
|
|
= pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx);
|
|
if (rctx->op.encap.kemprovctx == NULL) {
|
|
EVP_KEM_free(rctx->op.encap.kem);
|
|
goto err;
|
|
}
|
|
return rctx;
|
|
}
|
|
} else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) {
|
|
/* Not supported - This would need a gen_dupctx() to work */
|
|
goto err;
|
|
}
|
|
|
|
rctx->pmeth = pctx->pmeth;
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
rctx->engine = pctx->engine;
|
|
# endif
|
|
|
|
if (pctx->peerkey != NULL)
|
|
EVP_PKEY_up_ref(pctx->peerkey);
|
|
rctx->peerkey = pctx->peerkey;
|
|
|
|
if (pctx->pmeth == NULL) {
|
|
if (rctx->operation == EVP_PKEY_OP_UNDEFINED) {
|
|
EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt;
|
|
void *provkey;
|
|
|
|
provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx,
|
|
&tmp_keymgmt, pctx->propquery);
|
|
if (provkey == NULL)
|
|
goto err;
|
|
if (!EVP_KEYMGMT_up_ref(tmp_keymgmt))
|
|
goto err;
|
|
EVP_KEYMGMT_free(rctx->keymgmt);
|
|
rctx->keymgmt = tmp_keymgmt;
|
|
return rctx;
|
|
}
|
|
} else if (pctx->pmeth->copy(rctx, pctx) > 0) {
|
|
return rctx;
|
|
}
|
|
err:
|
|
rctx->pmeth = NULL;
|
|
EVP_PKEY_CTX_free(rctx);
|
|
return NULL;
|
|
}
|
|
|
|
int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
|
|
{
|
|
if (app_pkey_methods == NULL) {
|
|
app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
|
|
if (app_pkey_methods == NULL){
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
}
|
|
if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
|
|
return 1;
|
|
}
|
|
|
|
void evp_app_cleanup_int(void)
|
|
{
|
|
if (app_pkey_methods != NULL)
|
|
sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
|
|
}
|
|
|
|
int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
|
|
{
|
|
const EVP_PKEY_METHOD *ret;
|
|
|
|
ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
|
|
|
|
return ret == NULL ? 0 : 1;
|
|
}
|
|
|
|
size_t EVP_PKEY_meth_get_count(void)
|
|
{
|
|
size_t rv = OSSL_NELEM(standard_methods);
|
|
|
|
if (app_pkey_methods)
|
|
rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
|
|
return rv;
|
|
}
|
|
|
|
const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
|
|
{
|
|
if (idx < OSSL_NELEM(standard_methods))
|
|
return (standard_methods[idx])();
|
|
if (app_pkey_methods == NULL)
|
|
return NULL;
|
|
idx -= OSSL_NELEM(standard_methods);
|
|
if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
|
|
return NULL;
|
|
return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
|
|
}
|
|
#endif
|
|
|
|
int EVP_PKEY_CTX_is_a(EVP_PKEY_CTX *ctx, const char *keytype)
|
|
{
|
|
#ifndef FIPS_MODULE
|
|
if (evp_pkey_ctx_is_legacy(ctx))
|
|
return (ctx->pmeth->pkey_id == evp_pkey_name2type(keytype));
|
|
#endif
|
|
return EVP_KEYMGMT_is_a(ctx->keymgmt, keytype);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
|
|
{
|
|
switch (evp_pkey_ctx_state(ctx)) {
|
|
case EVP_PKEY_STATE_PROVIDER:
|
|
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
|
|
&& ctx->op.kex.exchange != NULL
|
|
&& ctx->op.kex.exchange->set_ctx_params != NULL)
|
|
return
|
|
ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
|
|
&& ctx->op.sig.signature != NULL
|
|
&& ctx->op.sig.signature->set_ctx_params != NULL)
|
|
return
|
|
ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
|
|
&& ctx->op.ciph.cipher != NULL
|
|
&& ctx->op.ciph.cipher->set_ctx_params != NULL)
|
|
return
|
|
ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
|
|
&& ctx->keymgmt != NULL
|
|
&& ctx->keymgmt->gen_set_params != NULL)
|
|
return
|
|
evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
|
|
&& ctx->op.encap.kem != NULL
|
|
&& ctx->op.encap.kem->set_ctx_params != NULL)
|
|
return
|
|
ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx,
|
|
params);
|
|
break;
|
|
#ifndef FIPS_MODULE
|
|
case EVP_PKEY_STATE_UNKNOWN:
|
|
case EVP_PKEY_STATE_LEGACY:
|
|
return evp_pkey_ctx_set_params_to_ctrl(ctx, params);
|
|
#endif
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
|
|
{
|
|
switch (evp_pkey_ctx_state(ctx)) {
|
|
case EVP_PKEY_STATE_PROVIDER:
|
|
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
|
|
&& ctx->op.kex.exchange != NULL
|
|
&& ctx->op.kex.exchange->get_ctx_params != NULL)
|
|
return
|
|
ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
|
|
&& ctx->op.sig.signature != NULL
|
|
&& ctx->op.sig.signature->get_ctx_params != NULL)
|
|
return
|
|
ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
|
|
&& ctx->op.ciph.cipher != NULL
|
|
&& ctx->op.ciph.cipher->get_ctx_params != NULL)
|
|
return
|
|
ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
|
|
params);
|
|
if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
|
|
&& ctx->op.encap.kem != NULL
|
|
&& ctx->op.encap.kem->get_ctx_params != NULL)
|
|
return
|
|
ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx,
|
|
params);
|
|
break;
|
|
#ifndef FIPS_MODULE
|
|
case EVP_PKEY_STATE_UNKNOWN:
|
|
case EVP_PKEY_STATE_LEGACY:
|
|
return evp_pkey_ctx_get_params_to_ctrl(ctx, params);
|
|
#endif
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifndef FIPS_MODULE
|
|
const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
|
|
{
|
|
void *provctx;
|
|
|
|
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
|
|
&& ctx->op.kex.exchange != NULL
|
|
&& ctx->op.kex.exchange->gettable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
|
|
return ctx->op.kex.exchange->gettable_ctx_params(ctx->op.kex.exchprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
|
|
&& ctx->op.sig.signature != NULL
|
|
&& ctx->op.sig.signature->gettable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(
|
|
EVP_SIGNATURE_provider(ctx->op.sig.signature));
|
|
return ctx->op.sig.signature->gettable_ctx_params(ctx->op.sig.sigprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
|
|
&& ctx->op.ciph.cipher != NULL
|
|
&& ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(
|
|
EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
|
|
return ctx->op.ciph.cipher->gettable_ctx_params(ctx->op.ciph.ciphprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
|
|
&& ctx->op.encap.kem != NULL
|
|
&& ctx->op.encap.kem->gettable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
|
|
return ctx->op.encap.kem->gettable_ctx_params(ctx->op.encap.kemprovctx,
|
|
provctx);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
|
|
{
|
|
void *provctx;
|
|
|
|
if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
|
|
&& ctx->op.kex.exchange != NULL
|
|
&& ctx->op.kex.exchange->settable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
|
|
return ctx->op.kex.exchange->settable_ctx_params(ctx->op.kex.exchprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
|
|
&& ctx->op.sig.signature != NULL
|
|
&& ctx->op.sig.signature->settable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(
|
|
EVP_SIGNATURE_provider(ctx->op.sig.signature));
|
|
return ctx->op.sig.signature->settable_ctx_params(ctx->op.sig.sigprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
|
|
&& ctx->op.ciph.cipher != NULL
|
|
&& ctx->op.ciph.cipher->settable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(
|
|
EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
|
|
return ctx->op.ciph.cipher->settable_ctx_params(ctx->op.ciph.ciphprovctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
|
|
&& ctx->keymgmt != NULL
|
|
&& ctx->keymgmt->gen_settable_params != NULL) {
|
|
provctx = ossl_provider_ctx(EVP_KEYMGMT_provider(ctx->keymgmt));
|
|
return ctx->keymgmt->gen_settable_params(ctx->op.keymgmt.genctx,
|
|
provctx);
|
|
}
|
|
if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
|
|
&& ctx->op.encap.kem != NULL
|
|
&& ctx->op.encap.kem->settable_ctx_params != NULL) {
|
|
provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
|
|
return ctx->op.encap.kem->settable_ctx_params(ctx->op.encap.kemprovctx,
|
|
provctx);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
|
|
*
|
|
* Return 1 on success, 0 or negative for errors.
|
|
*
|
|
* In particular they return -2 if any of the params is not supported.
|
|
*
|
|
* They are not available in FIPS_MODULE as they depend on
|
|
* - EVP_PKEY_CTX_{get,set}_params()
|
|
* - EVP_PKEY_CTX_{gettable,settable}_params()
|
|
*
|
|
*/
|
|
int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
|
|
{
|
|
if (ctx == NULL || params == NULL)
|
|
return 0;
|
|
|
|
/*
|
|
* We only check for provider side EVP_PKEY_CTX. For #legacy, we
|
|
* depend on the translation that happens in EVP_PKEY_CTX_set_params()
|
|
* call, and that the resulting ctrl call will return -2 if it doesn't
|
|
* known the ctrl command number.
|
|
*/
|
|
if (evp_pkey_ctx_is_provided(ctx)) {
|
|
const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
|
|
const OSSL_PARAM *p;
|
|
|
|
for (p = params; p->key != NULL; p++) {
|
|
/* Check the ctx actually understands this parameter */
|
|
if (OSSL_PARAM_locate_const(settable, p->key) == NULL )
|
|
return -2;
|
|
}
|
|
}
|
|
|
|
return EVP_PKEY_CTX_set_params(ctx, params);
|
|
}
|
|
|
|
int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
|
|
{
|
|
if (ctx == NULL || params == NULL)
|
|
return 0;
|
|
|
|
/*
|
|
* We only check for provider side EVP_PKEY_CTX. For #legacy, we
|
|
* depend on the translation that happens in EVP_PKEY_CTX_get_params()
|
|
* call, and that the resulting ctrl call will return -2 if it doesn't
|
|
* known the ctrl command number.
|
|
*/
|
|
if (evp_pkey_ctx_is_provided(ctx)) {
|
|
const OSSL_PARAM *gettable = EVP_PKEY_CTX_gettable_params(ctx);
|
|
const OSSL_PARAM *p;
|
|
|
|
for (p = params; p->key != NULL; p++ ) {
|
|
/* Check the ctx actually understands this parameter */
|
|
if (OSSL_PARAM_locate_const(gettable, p->key) == NULL )
|
|
return -2;
|
|
}
|
|
}
|
|
|
|
return EVP_PKEY_CTX_get_params(ctx, params);
|
|
}
|
|
|
|
/* TODO(3.0): Deprecate in favour of get_signature_md_name */
|
|
int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
|
|
{
|
|
OSSL_PARAM sig_md_params[2], *p = sig_md_params;
|
|
/* 80 should be big enough */
|
|
char name[80] = "";
|
|
const EVP_MD *tmp;
|
|
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
if (ctx->op.sig.sigprovctx == NULL)
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
|
|
EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
|
|
|
|
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
|
|
name,
|
|
sizeof(name));
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
|
|
return 0;
|
|
|
|
tmp = evp_get_digestbyname_ex(ctx->libctx, name);
|
|
if (tmp == NULL)
|
|
return 0;
|
|
|
|
*md = tmp;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* TODO(3.0): Deprecate functions calling this in favour of
|
|
* functions setting md name.
|
|
*/
|
|
static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
|
|
int fallback, const char *param, int op,
|
|
int ctrl)
|
|
{
|
|
OSSL_PARAM md_params[2], *p = md_params;
|
|
const char *name;
|
|
|
|
if (ctx == NULL || (ctx->operation & op) == 0) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
if (fallback)
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
|
|
|
|
if (md == NULL) {
|
|
name = "";
|
|
} else {
|
|
name = EVP_MD_name(md);
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_utf8_string(param,
|
|
/*
|
|
* Cast away the const. This is read
|
|
* only so should be safe
|
|
*/
|
|
(char *)name, 0);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return EVP_PKEY_CTX_set_params(ctx, md_params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
|
|
{
|
|
return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL,
|
|
OSSL_SIGNATURE_PARAM_DIGEST,
|
|
EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
|
|
{
|
|
return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_DIGEST,
|
|
EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
|
|
}
|
|
|
|
static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
|
|
const char *param, int op, int ctrl,
|
|
const unsigned char *data,
|
|
int datalen)
|
|
{
|
|
OSSL_PARAM octet_string_params[2], *p = octet_string_params;
|
|
|
|
if (ctx == NULL || (ctx->operation & op) == 0) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
/* Code below to be removed when legacy support is dropped. */
|
|
if (fallback)
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
|
|
/* end of legacy support */
|
|
|
|
if (datalen < 0) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
|
|
return 0;
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_string(param,
|
|
/*
|
|
* Cast away the const. This is read
|
|
* only so should be safe
|
|
*/
|
|
(unsigned char *)data,
|
|
(size_t)datalen);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sec, int seclen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_SECRET,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_TLS_SECRET,
|
|
sec, seclen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *seed, int seedlen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_SEED,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_TLS_SEED,
|
|
seed, seedlen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
|
|
{
|
|
return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_DIGEST,
|
|
EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *salt, int saltlen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_SALT,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_HKDF_SALT,
|
|
salt, saltlen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *key, int keylen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_KEY,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_HKDF_KEY,
|
|
key, keylen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *info, int infolen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_INFO,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_HKDF_INFO,
|
|
info, infolen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
|
|
{
|
|
OSSL_PARAM int_params[2], *p = int_params;
|
|
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
/* Code below to be removed when legacy support is dropped. */
|
|
if (ctx->op.kex.exchprovctx == NULL)
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
|
|
/* end of legacy support */
|
|
|
|
if (mode < 0) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
|
|
return 0;
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return EVP_PKEY_CTX_set_params(ctx, int_params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
|
|
int passlen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_PASSWORD,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_PASS,
|
|
(const unsigned char *)pass, passlen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *salt, int saltlen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
|
|
OSSL_KDF_PARAM_SALT,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_SCRYPT_SALT,
|
|
salt, saltlen);
|
|
}
|
|
|
|
static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
|
|
int op, int ctrl, uint64_t val)
|
|
{
|
|
OSSL_PARAM uint64_params[2], *p = uint64_params;
|
|
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
/* Code below to be removed when legacy support is dropped. */
|
|
if (ctx->op.kex.exchprovctx == NULL)
|
|
return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
|
|
/* end of legacy support */
|
|
|
|
*p++ = OSSL_PARAM_construct_uint64(param, &val);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return EVP_PKEY_CTX_set_params(ctx, uint64_params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
|
|
{
|
|
return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
|
|
EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
|
|
n);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
|
|
{
|
|
return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
|
|
EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
|
|
r);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
|
|
{
|
|
return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
|
|
EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
|
|
p);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
|
|
uint64_t maxmem_bytes)
|
|
{
|
|
return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
|
|
EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
|
|
maxmem_bytes);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
|
|
int keylen)
|
|
{
|
|
return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
|
|
OSSL_PKEY_PARAM_PRIV_KEY,
|
|
EVP_PKEY_OP_KEYGEN,
|
|
EVP_PKEY_CTRL_SET_MAC_KEY,
|
|
key, keylen);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
|
|
{
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if (ctx == NULL || op == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
|
|
return 0;
|
|
}
|
|
if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
|
|
(char *)op, 0);
|
|
*p = OSSL_PARAM_construct_end();
|
|
return EVP_PKEY_CTX_set_params(ctx, params);
|
|
}
|
|
|
|
int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
|
|
{
|
|
OSSL_PARAM params[2], *p = params;
|
|
int ret;
|
|
|
|
if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
|
|
/*
|
|
* Cast away the const. This is
|
|
* read only so should be safe
|
|
*/
|
|
(void *)id, (size_t)len);
|
|
*p++ = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_set_params_strict(ctx, params);
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
|
|
EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
|
|
}
|
|
|
|
static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
|
|
{
|
|
int ret;
|
|
void *tmp_id = NULL;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
|
|
&tmp_id, 0);
|
|
*p++ = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_get_params_strict(ctx, params);
|
|
if (ret == -2) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
} else if (ret > 0) {
|
|
size_t tmp_id_len = params[0].return_size;
|
|
|
|
if (id != NULL)
|
|
memcpy(id, tmp_id, tmp_id_len);
|
|
if (id_len != NULL)
|
|
*id_len = tmp_id_len;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
|
|
{
|
|
return get1_id_data(ctx, id, NULL);
|
|
}
|
|
|
|
int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
|
|
{
|
|
return get1_id_data(ctx, NULL, id_len);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
|
|
EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
|
|
}
|
|
|
|
static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
|
|
int cmd, int p1, void *p2)
|
|
{
|
|
int ret = 0;
|
|
|
|
/*
|
|
* If the method has a |digest_custom| function, we can relax the
|
|
* operation type check, since this can be called before the operation
|
|
* is initialized.
|
|
*/
|
|
if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
|
|
if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET);
|
|
return -1;
|
|
}
|
|
|
|
if ((optype != -1) && !(ctx->operation & optype)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
switch (evp_pkey_ctx_state(ctx)) {
|
|
case EVP_PKEY_STATE_PROVIDER:
|
|
return evp_pkey_ctx_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
|
|
case EVP_PKEY_STATE_UNKNOWN:
|
|
case EVP_PKEY_STATE_LEGACY:
|
|
if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
|
|
return -1;
|
|
|
|
ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
|
|
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
|
|
int cmd, int p1, void *p2)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (ctx == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
/* If unsupported, we don't want that reported here */
|
|
ERR_set_mark();
|
|
ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
|
|
cmd, NULL, p2, p1);
|
|
if (ret == -2) {
|
|
ERR_pop_to_mark();
|
|
} else {
|
|
ERR_clear_last_mark();
|
|
/*
|
|
* If there was an error, there was an error.
|
|
* If the operation isn't initialized yet, we also return, as
|
|
* the saved values will be used then anyway.
|
|
*/
|
|
if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
|
|
return ret;
|
|
}
|
|
return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
|
|
int cmd, uint64_t value)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
|
|
}
|
|
|
|
|
|
static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
|
|
const char *name, const char *value)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (ctx == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
|
|
switch (evp_pkey_ctx_state(ctx)) {
|
|
case EVP_PKEY_STATE_PROVIDER:
|
|
return evp_pkey_ctx_ctrl_str_to_param(ctx, name, value);
|
|
case EVP_PKEY_STATE_UNKNOWN:
|
|
case EVP_PKEY_STATE_LEGACY:
|
|
if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
if (strcmp(name, "digest") == 0)
|
|
ret = EVP_PKEY_CTX_md(ctx,
|
|
EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
|
|
EVP_PKEY_CTRL_MD, value);
|
|
else
|
|
ret = ctx->pmeth->ctrl_str(ctx, name, value);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
|
|
const char *name, const char *value)
|
|
{
|
|
int ret = 0;
|
|
|
|
/* If unsupported, we don't want that reported here */
|
|
ERR_set_mark();
|
|
ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
|
|
name, value, strlen(value) + 1);
|
|
if (ret == -2) {
|
|
ERR_pop_to_mark();
|
|
} else {
|
|
ERR_clear_last_mark();
|
|
/*
|
|
* If there was an error, there was an error.
|
|
* If the operation isn't initialized yet, we also return, as
|
|
* the saved values will be used then anyway.
|
|
*/
|
|
if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
|
|
return ret;
|
|
}
|
|
|
|
return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
|
|
}
|
|
|
|
static int decode_cmd(int cmd, const char *name)
|
|
{
|
|
if (cmd == -1) {
|
|
/*
|
|
* The consequence of the assertion not being true is that this
|
|
* function will return -1, which will cause the calling functions
|
|
* to signal that the command is unsupported... in non-debug mode.
|
|
*/
|
|
if (ossl_assert(name != NULL))
|
|
if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
|
|
cmd = EVP_PKEY_CTRL_SET1_ID;
|
|
}
|
|
|
|
return cmd;
|
|
}
|
|
|
|
static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
|
|
int keytype, int optype,
|
|
int cmd, const char *name,
|
|
const void *data, size_t data_len)
|
|
{
|
|
/*
|
|
* Check that it's one of the supported commands. The ctrl commands
|
|
* number cases here must correspond to the cases in the bottom switch
|
|
* in this function.
|
|
*/
|
|
switch (cmd = decode_cmd(cmd, name)) {
|
|
case EVP_PKEY_CTRL_SET1_ID:
|
|
break;
|
|
default:
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
|
|
if (keytype != -1) {
|
|
switch (evp_pkey_ctx_state(ctx)) {
|
|
case EVP_PKEY_STATE_PROVIDER:
|
|
if (ctx->keymgmt == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
if (!EVP_KEYMGMT_is_a(ctx->keymgmt,
|
|
evp_pkey_type2name(keytype))) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
|
|
return -1;
|
|
}
|
|
break;
|
|
case EVP_PKEY_STATE_UNKNOWN:
|
|
case EVP_PKEY_STATE_LEGACY:
|
|
if (ctx->pmeth == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
if (EVP_PKEY_type(ctx->pmeth->pkey_id) != EVP_PKEY_type(keytype)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
|
|
return -1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (optype != -1 && (ctx->operation & optype) == 0) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
|
|
return -1;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case EVP_PKEY_CTRL_SET1_ID:
|
|
evp_pkey_ctx_free_cached_data(ctx, cmd, name);
|
|
if (name != NULL) {
|
|
ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
|
|
if (ctx->cached_parameters.dist_id_name == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
}
|
|
if (data_len > 0) {
|
|
ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
|
|
if (ctx->cached_parameters.dist_id == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
}
|
|
ctx->cached_parameters.dist_id_set = 1;
|
|
ctx->cached_parameters.dist_id_len = data_len;
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
|
|
int cmd, const char *name)
|
|
{
|
|
cmd = decode_cmd(cmd, name);
|
|
switch (cmd) {
|
|
case EVP_PKEY_CTRL_SET1_ID:
|
|
OPENSSL_free(ctx->cached_parameters.dist_id);
|
|
OPENSSL_free(ctx->cached_parameters.dist_id_name);
|
|
ctx->cached_parameters.dist_id = NULL;
|
|
ctx->cached_parameters.dist_id_name = NULL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
|
|
{
|
|
evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
|
|
}
|
|
|
|
int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret = 1;
|
|
|
|
if (ret && ctx->cached_parameters.dist_id_set) {
|
|
const char *name = ctx->cached_parameters.dist_id_name;
|
|
const void *val = ctx->cached_parameters.dist_id;
|
|
size_t len = ctx->cached_parameters.dist_id_len;
|
|
|
|
if (name != NULL)
|
|
ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
|
|
else
|
|
ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
|
|
EVP_PKEY_CTRL_SET1_ID,
|
|
(int)len, (void *)val);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->libctx;
|
|
}
|
|
|
|
const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->propquery;
|
|
}
|
|
|
|
/* Utility functions to send a string of hex string to a ctrl */
|
|
|
|
int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
|
|
{
|
|
size_t len;
|
|
|
|
len = strlen(str);
|
|
if (len > INT_MAX)
|
|
return -1;
|
|
return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
|
|
{
|
|
unsigned char *bin;
|
|
long binlen;
|
|
int rv = -1;
|
|
|
|
bin = OPENSSL_hexstr2buf(hex, &binlen);
|
|
if (bin == NULL)
|
|
return 0;
|
|
if (binlen <= INT_MAX)
|
|
rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
|
|
OPENSSL_free(bin);
|
|
return rv;
|
|
}
|
|
|
|
/* Pass a message digest to a ctrl */
|
|
int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
|
|
{
|
|
const EVP_MD *m;
|
|
|
|
if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST);
|
|
return 0;
|
|
}
|
|
return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->operation;
|
|
}
|
|
|
|
void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
|
|
{
|
|
ctx->keygen_info = dat;
|
|
ctx->keygen_info_count = datlen;
|
|
}
|
|
|
|
void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
|
|
{
|
|
ctx->data = data;
|
|
}
|
|
|
|
void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->data;
|
|
}
|
|
|
|
EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->pkey;
|
|
}
|
|
|
|
EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->peerkey;
|
|
}
|
|
|
|
void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
|
|
{
|
|
ctx->app_data = data;
|
|
}
|
|
|
|
void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return ctx->app_data;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
|
|
int (*init) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
pmeth->init = init;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
|
|
int (*copy) (EVP_PKEY_CTX *dst,
|
|
const EVP_PKEY_CTX *src))
|
|
{
|
|
pmeth->copy = copy;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
|
|
void (*cleanup) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
pmeth->cleanup = cleanup;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
|
|
int (*paramgen_init) (EVP_PKEY_CTX *ctx),
|
|
int (*paramgen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
pmeth->paramgen_init = paramgen_init;
|
|
pmeth->paramgen = paramgen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
|
|
int (*keygen_init) (EVP_PKEY_CTX *ctx),
|
|
int (*keygen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
pmeth->keygen_init = keygen_init;
|
|
pmeth->keygen = keygen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
|
|
int (*sign_init) (EVP_PKEY_CTX *ctx),
|
|
int (*sign) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
pmeth->sign_init = sign_init;
|
|
pmeth->sign = sign;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
|
|
int (*verify_init) (EVP_PKEY_CTX *ctx),
|
|
int (*verify) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
size_t siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
pmeth->verify_init = verify_init;
|
|
pmeth->verify = verify;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
|
|
int (*verify_recover_init) (EVP_PKEY_CTX
|
|
*ctx),
|
|
int (*verify_recover) (EVP_PKEY_CTX
|
|
*ctx,
|
|
unsigned char
|
|
*sig,
|
|
size_t *siglen,
|
|
const unsigned
|
|
char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
pmeth->verify_recover_init = verify_recover_init;
|
|
pmeth->verify_recover = verify_recover;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
|
|
int (*signctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (*signctx) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig,
|
|
size_t *siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
pmeth->signctx_init = signctx_init;
|
|
pmeth->signctx = signctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
|
|
int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (*verifyctx) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
int siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
pmeth->verifyctx_init = verifyctx_init;
|
|
pmeth->verifyctx = verifyctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
|
|
int (*encrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (*encryptfn) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
pmeth->encrypt_init = encrypt_init;
|
|
pmeth->encrypt = encryptfn;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
|
|
int (*decrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (*decrypt) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
pmeth->decrypt_init = decrypt_init;
|
|
pmeth->decrypt = decrypt;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
|
|
int (*derive_init) (EVP_PKEY_CTX *ctx),
|
|
int (*derive) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *key,
|
|
size_t *keylen))
|
|
{
|
|
pmeth->derive_init = derive_init;
|
|
pmeth->derive = derive;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
|
|
int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
|
|
void *p2),
|
|
int (*ctrl_str) (EVP_PKEY_CTX *ctx,
|
|
const char *type,
|
|
const char *value))
|
|
{
|
|
pmeth->ctrl = ctrl;
|
|
pmeth->ctrl_str = ctrl_str;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
|
|
int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs, size_t tbslen))
|
|
{
|
|
pmeth->digestsign = digestsign;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
|
|
int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
|
|
size_t siglen, const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
pmeth->digestverify = digestverify;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
|
|
int (*check) (EVP_PKEY *pkey))
|
|
{
|
|
pmeth->check = check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
|
|
int (*check) (EVP_PKEY *pkey))
|
|
{
|
|
pmeth->public_check = check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
|
|
int (*check) (EVP_PKEY *pkey))
|
|
{
|
|
pmeth->param_check = check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
|
|
int (*digest_custom) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
pmeth->digest_custom = digest_custom;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pinit) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
*pinit = pmeth->init;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pcopy) (EVP_PKEY_CTX *dst,
|
|
const EVP_PKEY_CTX *src))
|
|
{
|
|
*pcopy = pmeth->copy;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
|
|
void (**pcleanup) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
*pcleanup = pmeth->cleanup;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pparamgen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
if (pparamgen_init)
|
|
*pparamgen_init = pmeth->paramgen_init;
|
|
if (pparamgen)
|
|
*pparamgen = pmeth->paramgen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pkeygen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
if (pkeygen_init)
|
|
*pkeygen_init = pmeth->keygen_init;
|
|
if (pkeygen)
|
|
*pkeygen = pmeth->keygen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
|
|
int (**psign_init) (EVP_PKEY_CTX *ctx),
|
|
int (**psign) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (psign_init)
|
|
*psign_init = pmeth->sign_init;
|
|
if (psign)
|
|
*psign = pmeth->sign;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pverify_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pverify) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
size_t siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (pverify_init)
|
|
*pverify_init = pmeth->verify_init;
|
|
if (pverify)
|
|
*pverify = pmeth->verify;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pverify_recover_init) (EVP_PKEY_CTX
|
|
*ctx),
|
|
int (**pverify_recover) (EVP_PKEY_CTX
|
|
*ctx,
|
|
unsigned char
|
|
*sig,
|
|
size_t *siglen,
|
|
const unsigned
|
|
char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (pverify_recover_init)
|
|
*pverify_recover_init = pmeth->verify_recover_init;
|
|
if (pverify_recover)
|
|
*pverify_recover = pmeth->verify_recover;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
|
|
int (**psignctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (**psignctx) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig,
|
|
size_t *siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
if (psignctx_init)
|
|
*psignctx_init = pmeth->signctx_init;
|
|
if (psignctx)
|
|
*psignctx = pmeth->signctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (**pverifyctx) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
int siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
if (pverifyctx_init)
|
|
*pverifyctx_init = pmeth->verifyctx_init;
|
|
if (pverifyctx)
|
|
*pverifyctx = pmeth->verifyctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pencryptfn) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
if (pencrypt_init)
|
|
*pencrypt_init = pmeth->encrypt_init;
|
|
if (pencryptfn)
|
|
*pencryptfn = pmeth->encrypt;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pdecrypt) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
if (pdecrypt_init)
|
|
*pdecrypt_init = pmeth->decrypt_init;
|
|
if (pdecrypt)
|
|
*pdecrypt = pmeth->decrypt;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pderive_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pderive) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *key,
|
|
size_t *keylen))
|
|
{
|
|
if (pderive_init)
|
|
*pderive_init = pmeth->derive_init;
|
|
if (pderive)
|
|
*pderive = pmeth->derive;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
|
|
void *p2),
|
|
int (**pctrl_str) (EVP_PKEY_CTX *ctx,
|
|
const char *type,
|
|
const char *value))
|
|
{
|
|
if (pctrl)
|
|
*pctrl = pmeth->ctrl;
|
|
if (pctrl_str)
|
|
*pctrl_str = pmeth->ctrl_str;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
|
|
int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs, size_t tbslen))
|
|
{
|
|
if (digestsign)
|
|
*digestsign = pmeth->digestsign;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
|
|
int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
|
|
size_t siglen, const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (digestverify)
|
|
*digestverify = pmeth->digestverify;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pcheck) (EVP_PKEY *pkey))
|
|
{
|
|
if (pcheck != NULL)
|
|
*pcheck = pmeth->check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pcheck) (EVP_PKEY *pkey))
|
|
{
|
|
if (pcheck != NULL)
|
|
*pcheck = pmeth->public_check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
|
|
int (**pcheck) (EVP_PKEY *pkey))
|
|
{
|
|
if (pcheck != NULL)
|
|
*pcheck = pmeth->param_check;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
|
|
int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
if (pdigest_custom != NULL)
|
|
*pdigest_custom = pmeth->digest_custom;
|
|
}
|
|
|
|
#endif /* FIPS_MODULE */
|