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/**
* @file pkcs7.h
*
* @brief Interface of pkcs7_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Copyright (C) 2002-2007 Andreas Steffen
*
* Hochschule fuer Technik Rapperswil, Switzerland
*
* 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: pkcs7.h 3302 2007-10-12 21:57:20Z andreas $
*/
#ifndef _PKCS7_H
#define _PKCS7_H
typedef struct pkcs7_t pkcs7_t;
#include <library.h>
#include <crypto/x509.h>
#include <crypto/rsa/rsa_private_key.h>
#include <utils/iterator.h>
/**
* @brief PKCS#7 contentInfo object.
*
* @b Constructors:
* -pkcs7_create_from_chunk()
*
* @ingroup crypto
*/
struct pkcs7_t {
/**
* @brief Check if the PKCS#7 contentType is data
*
* @param this calling object
* @return TRUE if the contentType is data
*/
bool (*is_data) (pkcs7_t *this);
/**
* @brief Check if the PKCS#7 contentType is signedData
*
* @param this calling object
* @return TRUE if the contentType is signedData
*/
bool (*is_signedData) (pkcs7_t *this);
/**
* @brief Check if the PKCS#7 contentType is envelopedData
*
* @param this calling object
* @return TRUE if the contentType is envelopedData
*/
bool (*is_envelopedData) (pkcs7_t *this);
/**
* @brief Parse a PKCS#7 data content.
*
* @param this calling object
* @return TRUE if parsing was successful
*/
bool (*parse_data) (pkcs7_t *this);
/**
* @brief Parse a PKCS#7 signedData content.
*
* @param this calling object
* @param cacert cacert used to verify the signature
* @return TRUE if parsing was successful
*/
bool (*parse_signedData) (pkcs7_t *this, x509_t *cacert);
/**
* @brief Parse a PKCS#7 envelopedData content.
*
* @param this calling object
* @param serialNumber serialNumber of the request
* @param key RSA private key used to decrypt the symmetric key
* @return TRUE if parsing was successful
*/
bool (*parse_envelopedData) (pkcs7_t *this, chunk_t serialNumber, rsa_private_key_t *key);
/**
* @brief Returns the parsed data object
*
* @param this calling object
* @return chunk containing the data object
*/
chunk_t (*get_data) (pkcs7_t *this);
/**
* @brief Create an iterator for the certificates.
*
* @param this calling object
* @return iterator for the certificates
*/
iterator_t *(*create_certificate_iterator) (pkcs7_t *this);
/**
* @brief Destroys the contentInfo object.
*
* @param this PKCS#7 contentInfo object to destroy
*/
void (*destroy) (pkcs7_t *this);
};
/**
* @brief Read a PKCS#7 contentInfo object from a DER encoded chunk.
*
* @param chunk chunk containing DER encoded data
* @param level ASN.1 parsing start level
* @return created pkcs7_contentInfo object, or NULL if invalid.
*
* @ingroup crypto
*/
pkcs7_t *pkcs7_create_from_chunk(chunk_t chunk, u_int level);
#endif /* _PKCS7_H */
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