strongswan/src/libstrongswan/crypto/pkcs5.h

62 lines
1.7 KiB
C

/*
* Copyright (C) 2013 Tobias Brunner
* HSR 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 pkcs5 pkcs5
* @{ @ingroup crypto
*/
#ifndef PKCS5_H_
#define PKCS5_H_
typedef struct pkcs5_t pkcs5_t;
#include <utils/chunk.h>
/**
* PKCS#5 helper class
*/
struct pkcs5_t {
/**
* Decrypt the given data using the given password and the scheme derived
* from the initial AlgorithmIdentifier object.
*
* @param password password used for decryption
* @param data data to decrypt
* @param decrypted decrypted data gets allocated
* @return TRUE on success, FALSE otherwise
*/
bool (*decrypt)(pkcs5_t *this, chunk_t password, chunk_t data,
chunk_t *decrypted) __attribute__((warn_unused_result));
/**
* Destroy the object and any associated cryptographic primitive.
*/
void (*destroy)(pkcs5_t *this);
};
/**
* Create a PKCS#5 helper object from an ASN.1 encoded AlgorithmIdentifier
* object.
*
* @param blob ASN.1 encoded AlgorithmIdentifier
* @param level0 ASN.1 parser level
* @return pkcs5_t object, NULL on failure
*/
pkcs5_t *pkcs5_from_algorithmIdentifier(chunk_t blob, int level0);
#endif /** PKCS5_H_ @}*/