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-rw-r--r--Source/charon/transforms/signers/signer.h147
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diff --git a/Source/charon/transforms/signers/signer.h b/Source/charon/transforms/signers/signer.h
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-/**
- * @file signer.h
- *
- * @brief Interface for signer_t.
- *
- */
-
-/*
- * Copyright (C) 2005 Jan Hutter, Martin Willi
- * 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.
- */
-
-#ifndef SIGNER_H_
-#define SIGNER_H_
-
-#include <types.h>
-#include <definitions.h>
-
-typedef enum integrity_algorithm_t integrity_algorithm_t;
-
-/**
- * @brief Integrity algorithm, as in IKEv2 RFC 3.3.2.
- *
- * Currently only the following algorithms are implemented and therefore supported:
- * - AUTH_HMAC_MD5_96
- * - AUTH_HMAC_SHA1_96
- *
- * @ingroup signers
- */
-enum integrity_algorithm_t {
- AUTH_UNDEFINED = 1024,
- /**
- * Implemented in class hmac_signer_t.
- */
- AUTH_HMAC_MD5_96 = 1,
- /**
- * Implemented in class hmac_signer_t.
- */
- AUTH_HMAC_SHA1_96 = 2,
- AUTH_DES_MAC = 3,
- AUTH_KPDK_MD5 = 4,
- AUTH_AES_XCBC_96 = 5
-};
-
-/**
- * String mappings for integrity_algorithm_t.
- */
-extern mapping_t integrity_algorithm_m[];
-
-
-typedef struct signer_t signer_t;
-
-/**
- * @brief Generig interface for a symmetric signature algorithm.
- *
- * @b Constructors:
- * - signer_create()
- * - hmac_signer_create()
- *
- * @todo Implement more integrity algorithms
- *
- * @ingroup signers
- */
-struct signer_t {
- /**
- * @brief Generate a signature.
- *
- * @param this calling object
- * @param data a chunk containing the data to sign
- * @param[out] buffer pointer where the signature will be written
- */
- void (*get_signature) (signer_t *this, chunk_t data, u_int8_t *buffer);
-
- /**
- * @brief Generate a signature and allocate space for it.
- *
- * @param this calling object
- * @param data a chunk containing the data to sign
- * @param[out] chunk chunk which will hold the allocated signature
- */
- void (*allocate_signature) (signer_t *this, chunk_t data, chunk_t *chunk);
-
- /**
- * @brief Verify a signature.
- *
- * @param this calling object
- * @param data a chunk containing the data to verify
- * @param signature a chunk containing the signature
- * @return TRUE, if signature is valid, FALSE otherwise
- */
- bool (*verify_signature) (signer_t *this, chunk_t data, chunk_t signature);
-
- /**
- * @brief Get the block size of this signature algorithm.
- *
- * @param this calling object
- * @return block size in bytes
- */
- size_t (*get_block_size) (signer_t *this);
-
- /**
- * @brief Get the key size of the signature algorithm.
- *
- * @param this calling object
- * @return key size in bytes
- */
- size_t (*get_key_size) (signer_t *this);
-
- /**
- * @brief Set the key for this object.
- *
- * @param this calling object
- * @param key key to set
- */
- void (*set_key) (signer_t *this, chunk_t key);
-
- /**
- * @brief Destroys a signer_t object.
- *
- * @param this calling object
- */
- void (*destroy) (signer_t *this);
-};
-
-/**
- * @brief Creates a new signer_t object.
- *
- * @param integrity_algorithm Algorithm to use for signing and verifying.
- * @return
- * - signer_t object
- * - NULL if signer not supported
- *
- * @ingroup signers
- */
-signer_t *signer_create(integrity_algorithm_t integrity_algorithm);
-
-#endif /*SIGNER_H_*/