86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/*
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* Copyright (C) 2014 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup encrypted_fragment_payload encrypted_fragment_payload
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* @{ @ingroup payloads
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*/
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#ifndef ENCRYPTED_FRAGMENT_PAYLOAD_H_
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#define ENCRYPTED_FRAGMENT_PAYLOAD_H_
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typedef struct encrypted_fragment_payload_t encrypted_fragment_payload_t;
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#include <encoding/payloads/encrypted_payload.h>
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/**
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* The Encrypted Fragment Payload as described in RFC 7383
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*
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* The implementation is located in encrypted_payload.c as it is very similar.
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*/
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struct encrypted_fragment_payload_t {
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/**
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* Implements payload_t interface.
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*/
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encrypted_payload_t encrypted;
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/**
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* Get the fragment number.
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*
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* @return fragment number
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*/
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uint16_t (*get_fragment_number)(encrypted_fragment_payload_t *this);
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/**
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* Get the total number of fragments.
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*
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* @return total number of fragments
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*/
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uint16_t (*get_total_fragments)(encrypted_fragment_payload_t *this);
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/**
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* Get the (decrypted) content of this payload.
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*
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* @return internal payload data
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*/
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chunk_t (*get_content)(encrypted_fragment_payload_t *this);
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/**
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* Destroys an encrypted_fragment_payload_t object.
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*/
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void (*destroy)(encrypted_fragment_payload_t *this);
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};
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/**
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* Creates an empty encrypted_fragment_payload_t object.
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*
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* @return encrypted_fragment_payload_t object
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*/
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encrypted_fragment_payload_t *encrypted_fragment_payload_create();
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/**
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* Creates an encrypted fragment payload from the given data.
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*
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* @param num fragment number (first one should be 1)
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* @param total total number of fragments
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* @param data fragment data (gets cloned)
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* @return encrypted_fragment_payload_t object
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*/
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encrypted_fragment_payload_t *encrypted_fragment_payload_create_from_data(
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uint16_t num, uint16_t total, chunk_t data);
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#endif /** ENCRYPTED_FRAGMENT_PAYLOAD_H_ @}*/
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