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/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec AG
*
* 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 container container
* @{ @ingroup containers
*/
#ifndef CONTAINER_H_
#define CONTAINER_H_
typedef struct container_t container_t;
typedef enum container_type_t container_type_t;
#include <utils/chunk.h>
#include <collections/enumerator.h>
/**
* Type of the container.
*/
enum container_type_t {
/** Any kind of PKCS7/CMS container */
CONTAINER_PKCS7,
/** PKCS7/CMS plain "data" */
CONTAINER_PKCS7_DATA,
/** PKCS7/CMS "signed-data" */
CONTAINER_PKCS7_SIGNED_DATA,
/** PKCS7/CMS "enveloped-data" */
CONTAINER_PKCS7_ENVELOPED_DATA,
};
/**
* Enum names for container_type_t
*/
extern enum_name_t *container_type_names;
/**
* Generic interface for cryptographic containers.
*/
struct container_t {
/**
* Get the type of the container.
*
* @return container type
*/
container_type_t (*get_type)(container_t *this);
/**
* Create an enumerator over trustchains for valid container signatures.
*
* @return enumerator over auth_cfg_t*
*/
enumerator_t* (*create_signature_enumerator)(container_t *this);
/**
* Get signed/decrypted data wrapped in this container.
*
* This function does not verify any associated signatures, use
* create_signature_enumerator() to verify them.
*
* @param data allocated data wrapped in this container
* @return TRUE if data decrypted successfully
*/
bool (*get_data)(container_t *this, chunk_t *data);
/**
* Get the encoding of the full signed/encrypted container.
*
* @param data allocated container encoding
* @return TRUE if encodign successful
*/
bool (*get_encoding)(container_t *this, chunk_t *encoding);
/**
* Destroy a container_t.
*/
void (*destroy)(container_t *this);
};
#endif /** CONTAINER_H_ @}*/
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