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/* Support of PKCS#7 data structures
 * Copyright (C) 2005 Jan Hutter, Martin Willi
 * Copyright (C) 2002-2005 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,v 1.10 2005/12/22 22:11:24 as Exp $
 */

#ifndef _PKCS7_H
#define _PKCS7_H

#include "defs.h"
#include "pkcs1.h"
#include "x509.h"

/* Access structure for a PKCS#7 ContentInfo object */

typedef struct contentInfo contentInfo_t;

struct contentInfo {
    int     type;
    chunk_t content;
};

extern const contentInfo_t empty_contentInfo;

extern bool pkcs7_parse_contentInfo(chunk_t blob, u_int level0
    , contentInfo_t *cInfo);
extern bool pkcs7_parse_signedData(chunk_t blob, contentInfo_t *data
    , x509cert_t **cert, chunk_t *attributes, const x509cert_t *cacert);
extern bool pkcs7_parse_envelopedData(chunk_t blob, chunk_t *data
    , chunk_t serialNumber, const RSA_private_key_t *key);
extern chunk_t pkcs7_contentType_attribute(void);
extern chunk_t pkcs7_messageDigest_attribute(chunk_t content, int digest_alg);
extern chunk_t pkcs7_build_issuerAndSerialNumber(const x509cert_t *cert);
extern chunk_t pkcs7_build_signedData(chunk_t data, chunk_t attributes
    ,const x509cert_t *cert, int digest_alg, const RSA_private_key_t *key);
extern chunk_t pkcs7_build_envelopedData(chunk_t data, const x509cert_t *cert
    , int cipher);

#endif /* _PKCS7_H */