98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/*
|
|
* Copyright (C) 2007 Martin Willi
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @defgroup shared_key shared_key
|
|
* @{ @ingroup keys
|
|
*/
|
|
|
|
#ifndef SHARED_KEY_H_
|
|
#define SHARED_KEY_H_
|
|
|
|
#include <collections/enumerator.h>
|
|
#include <utils/identification.h>
|
|
|
|
typedef struct shared_key_t shared_key_t;
|
|
typedef enum shared_key_type_t shared_key_type_t;
|
|
|
|
/**
|
|
* Type of a shared key.
|
|
*/
|
|
enum shared_key_type_t {
|
|
/** wildcard for all keys */
|
|
SHARED_ANY,
|
|
/** PSK for IKE authentication */
|
|
SHARED_IKE,
|
|
/** key for a EAP authentication method */
|
|
SHARED_EAP,
|
|
/** key to decrypt encrypted private keys */
|
|
SHARED_PRIVATE_KEY_PASS,
|
|
/** PIN to unlock a smartcard */
|
|
SHARED_PIN,
|
|
/** Calculated NT Hash = MD4(UTF-16LE(password)) */
|
|
SHARED_NT_HASH,
|
|
};
|
|
|
|
/**
|
|
* enum names for shared_key_type_t
|
|
*/
|
|
extern enum_name_t *shared_key_type_names;
|
|
|
|
/**
|
|
* A symmetric key shared between multiple owners.
|
|
*
|
|
* This class is not thread save, do not add owners while others might be
|
|
* reading.
|
|
*/
|
|
struct shared_key_t {
|
|
|
|
/**
|
|
* Get the kind of this key.
|
|
*
|
|
* @return type of the key
|
|
*/
|
|
shared_key_type_t (*get_type)(shared_key_t *this);
|
|
|
|
/**
|
|
* Get the shared key data.
|
|
*
|
|
* @return chunk pointing to the internal key
|
|
*/
|
|
chunk_t (*get_key)(shared_key_t *this);
|
|
|
|
/**
|
|
* Increase refcount of the key.
|
|
*
|
|
* @return this with an increased refcount
|
|
*/
|
|
shared_key_t* (*get_ref)(shared_key_t *this);
|
|
|
|
/**
|
|
* Destroy a shared_key instance if all references are gone.
|
|
*/
|
|
void (*destroy)(shared_key_t *this);
|
|
};
|
|
|
|
/**
|
|
* A simple private key implementation
|
|
*
|
|
* @param type type of the shared key
|
|
* @param key key data, gets owned by instance
|
|
* @return simple shared key instance
|
|
*/
|
|
shared_key_t *shared_key_create(shared_key_type_t type, chunk_t key);
|
|
|
|
#endif /** SHARED_KEY_H_ @} */
|