/*
 * Copyright (C) 2007 Martin Willi
 * HSR Hochschule fuer Technik Rapperswil
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 */

#include "shared_key.h"

ENUM(shared_key_type_names, SHARED_ANY, SHARED_PPK,
	"ANY",
	"IKE",
	"EAP",
	"PRIVATE_KEY_PASS",
	"PIN",
	"NTLM",
	"PPK",
);

typedef struct private_shared_key_t private_shared_key_t;

/**
 * private data of shared_key
 */
struct private_shared_key_t {

	/**
	 * public functions
	 */
	shared_key_t public;

	/**
	 * type of this shared key
	 */
	shared_key_type_t type;

	/**
	 * associated shared key data
	 */
	chunk_t key;

	/**
	 * reference counter
	 */
	refcount_t ref;
};

METHOD(shared_key_t, get_type, shared_key_type_t,
	private_shared_key_t *this)
{
	return this->type;
}

METHOD(shared_key_t, get_key, chunk_t,
	private_shared_key_t *this)
{
	return this->key;
}

METHOD(shared_key_t, get_ref, shared_key_t*,
	private_shared_key_t *this)
{
	ref_get(&this->ref);
	return &this->public;
}

METHOD(shared_key_t, destroy, void,
	private_shared_key_t *this)
{
	if (ref_put(&this->ref))
	{
		free(this->key.ptr);
		free(this);
	}
}

/*
 * see header file
 */
shared_key_t *shared_key_create(shared_key_type_t type, chunk_t key)
{
	private_shared_key_t *this;

	INIT(this,
		.public = {
			.get_type = _get_type,
			.get_key = _get_key,
			.get_ref = _get_ref,
			.destroy = _destroy,
		},
		.type = type,
		.key = key,
		.ref = 1,
	);

	return &this->public;
}