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/**
* @file ac.h
*
* @brief Interface of x509ac_t.
*
*/
/*
* Copyright (C) 2002 Ueli Galizzi, Ariane Seiler
* Copyright (C) 2003 Martin Berner, Lukas Suter
* Copyright (C) 2007 Andreas Steffen
*
* 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.
*
* RCSID $Id: ac.h 3300 2007-10-12 21:53:18Z andreas $
*/
#ifndef AC_H_
#define AC_H_
#include <library.h>
typedef struct x509ac_t x509ac_t;
/**
* @brief X.509 attribute certificate.
*
* @b Constructors:
* - x509ac_create_from_chunk()
* - x509ac_create_from_file()
*
* @ingroup crypto
*/
struct x509ac_t {
/**
* @brief Checks the validity interval of the attribute certificate
*
* @param this certificate being examined
* @param until until = min(until, notAfter)
* @return NULL if the certificate is valid
*/
err_t (*is_valid) (const x509ac_t *this, time_t *until);
/** @brief Checks if this attr cert is newer than the other attr cert
*
* @param this calling object
* @param other other attr cert object
* @return TRUE if this was issued more recently than other
*/
bool (*is_newer) (const x509ac_t *this, const x509ac_t *other);
/**
* @brief Checks if two attribute certificates belong to the same holder
*
* @param this calling attribute certificate
* @param that other attribute certificate
* @return TRUE if same holder
*/
bool (*equals_holder) (const x509ac_t *this, const x509ac_t *other);
/**
* @brief Log the attribute certificate info to out.
*
* @param this calling object
* @param out stream to write to
* @param utc TRUE for UTC times, FALSE for local time
*/
void (*list)(const x509ac_t *this, FILE *out, bool utc);
/**
* @brief Destroys the attribute certificate.
*
* @param this certificate to destroy
*/
void (*destroy) (x509ac_t *this);
};
/**
* @brief Read a x509 attribute certificate from a DER encoded blob.
*
* @param chunk chunk containing DER encoded data
* @return created x509ac_t certificate, or NULL if invalid.
*
* @ingroup crypto
*/
x509ac_t *x509ac_create_from_chunk(chunk_t chunk);
/**
* @brief Read a x509 attribute certificate from a DER encoded file.
*
* @param filename file containing DER encoded data
* @return created x509ac_t certificate, or NULL if invalid.
*
* @ingroup crypto
*/
x509ac_t *x509ac_create_from_file(const char *filename);
#endif /* AC_H_ */
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