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/*-
 * Copyright 2016 Vsevolod Stakhov
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef SRC_LIBCRYPTOBOX_KEYPAIR_H_
#define SRC_LIBCRYPTOBOX_KEYPAIR_H_

#include "config.h"
#include "cryptobox.h"
#include "ucl.h"

/**
 * Keypair type
 */
enum rspamd_cryptobox_keypair_type {
	RSPAMD_KEYPAIR_KEX = 0,
	RSPAMD_KEYPAIR_SIGN
};

/**
 * Opaque structure for the full (public + private) keypair
 */
struct rspamd_cryptobox_keypair;
/**
 * Opaque structure for public only keypair
 */
struct rspamd_cryptobox_keypair_public;

/**
 * Creates new full keypair
 * @param type type of the keypair
 * @param alg algorithm for the keypair
 * @return fresh keypair generated
 */
struct rspamd_cryptobox_keypair* rspamd_keypair_new (
		enum rspamd_cryptobox_keypair_type type,
		enum rspamd_cryptobox_mode alg);

/**
 * Increase refcount for the specific keypair
 * @param kp
 * @return
 */
struct rspamd_cryptobox_keypair* rspamd_keypair_ref (
		struct rspamd_cryptobox_keypair *kp);

/**
 * Decrease refcount for the specific keypair (or destroy when refcount == 0)
 * @param kp
 */
void rspamd_keypair_unref (struct rspamd_cryptobox_keypair *kp);

#endif /* SRC_LIBCRYPTOBOX_KEYPAIR_H_ */