129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*
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* Copyright (C) 2012 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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* Copyright (c) 2012 Nanoteq Pty Ltd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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* @defgroup proposal_keywords proposal_keywords
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* @{ @ingroup crypto
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*/
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#ifndef PROPOSAL_KEYWORDS_H_
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#define PROPOSAL_KEYWORDS_H_
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typedef struct proposal_token_t proposal_token_t;
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typedef struct proposal_keywords_t proposal_keywords_t;
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typedef proposal_token_t*(*proposal_algname_parser_t)(const char *algname);
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#include <library.h>
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#include <crypto/transform.h>
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/**
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* Class representing a proposal token.
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*/
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struct proposal_token_t {
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/**
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* The name of the token.
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*/
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char *name;
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/**
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* The type of transform in the token.
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*/
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transform_type_t type;
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/**
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* The IKE id of the algorithm.
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*/
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uint16_t algorithm;
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/**
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* The key size associated with the specific algorithm.
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*/
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uint16_t keysize;
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};
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/**
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* Class to manage proposal keywords
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*/
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struct proposal_keywords_t {
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/**
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* Returns the proposal token for the specified string if a token exists.
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*
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* @param str the string containing the name of the token
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* @return proposal_token if found, NULL otherwise
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*/
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const proposal_token_t *(*get_token)(proposal_keywords_t *this,
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const char *str);
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/**
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* Register a new proposal token for an algorithm.
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*
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* @param name the string containing the name of the token
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* @param type the transform_type_t for the token
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* @param algorithm the IKE id of the algorithm
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* @param keysize the key size associated with the specific algorithm
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*/
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void (*register_token)(proposal_keywords_t *this, const char *name,
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transform_type_t type, uint16_t algorithm,
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uint16_t keysize);
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/**
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* Register an algorithm name parser.
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*
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* It is meant to parse an algorithm name into a proposal token in a
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* generic, user defined way.
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*
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* @param parser a pointer to the parser function
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*/
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void (*register_algname_parser)(proposal_keywords_t *this,
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proposal_algname_parser_t parser);
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/**
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* Destroy a proposal_keywords_t instance.
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*/
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void (*destroy)(proposal_keywords_t *this);
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};
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/**
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* Create a proposal_keywords_t instance.
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*/
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proposal_keywords_t *proposal_keywords_create();
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#endif /** PROPOSAL_KEYWORDS_H_ @}*/
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