80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/**
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* @file der_decoder.h
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*
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* @brief Interface of der_decoder_t.
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*
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*/
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/*
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* Copyright (C) 2006 Martin Willi
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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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#ifndef DER_DECODER_H_
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#define DER_DECODER_H_
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#include <types.h>
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#include <asn1/asn1.h>
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typedef struct der_decoder_t der_decoder_t;
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/**
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* @brief Decode ASN1 DER encoded chunks.
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*
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* @b Constructors:
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* - der_decoder_create()
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*
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* @todo A lot.
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*
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* @ingroup asn1
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*/
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struct der_decoder_t {
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/**
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* @brief Decode a chunk of bytes to a data structure
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*
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* @param der_decoder calling object
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* @param input chunk of data to decode
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* @param output data structure where decoded data is written
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* @return
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* - PARSE_ERROR
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* - FAILED
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* - NOT_SUPPORTED
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* - or SUCCESS sometimes
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*/
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status_t (*decode) (der_decoder_t *this, chunk_t input, void *output);
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/**
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* @brief Destroys a der_decoder object.
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*
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* @param der_decoder calling object
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*/
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void (*destroy) (der_decoder_t *this);
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};
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/**
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* @brief Create a der_decoder instance.
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*
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* The instance needs ASN1 rules to know how to decode
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* data...
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*
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* @param rules set of ASN1 coding rules
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* @return der_decoder_t object
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*
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* @ingroup ans1
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*/
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der_decoder_t * der_decoder_create(asn1_rule_t* rules);
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#endif /* DER_DECODER_H_ */
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