/*

 * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.

 * Copyright (c) 2018, Oracle and/or its affiliates.  All rights reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

int call_ctrl(int (*ctrl)(EVP_KDF_IMPL *impl, int cmd, va_list args),

              EVP_KDF_IMPL *impl, int cmd, ...);

int kdf_str2ctrl(EVP_KDF_IMPL *impl,

                 int (*ctrl)(EVP_KDF_IMPL *impl, int cmd, va_list args),

                 int cmd, const char *str);

int kdf_hex2ctrl(EVP_KDF_IMPL *impl,

                 int (*ctrl)(EVP_KDF_IMPL *impl, int cmd, va_list args),

                 int cmd, const char *hex);

int kdf_md2ctrl(EVP_KDF_IMPL *impl,

                int (*ctrl)(EVP_KDF_IMPL *impl, int cmd, va_list args),

                int cmd, const char *md_name);

int kdf_cipher2ctrl(EVP_KDF_IMPL *impl,

                    int (*ctrl)(EVP_KDF_IMPL *impl, int cmd, va_list args),

                    int cmd, const char *cipher_name);