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a48e284317
There were some fixes back on March 13th, 2014 for fixing compiling on MIPS64. Also some fixes on June 25th, 2014 for SPARC64 fixes. Probably more things, but those are what I care about.
150 lines
3.6 KiB
C
150 lines
3.6 KiB
C
/**
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* \file xtea.h
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*
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* \brief XTEA block cipher (32-bit)
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_XTEA_H
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#define POLARSSL_XTEA_H
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#if !defined(POLARSSL_CONFIG_FILE)
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#include "config.h"
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#else
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#include POLARSSL_CONFIG_FILE
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#endif
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#include <string.h>
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#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
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#include <basetsd.h>
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typedef UINT32 uint32_t;
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#else
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#include <inttypes.h>
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#endif
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#define XTEA_ENCRYPT 1
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#define XTEA_DECRYPT 0
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#define POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 /**< The data input has an invalid length. */
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#if !defined(POLARSSL_XTEA_ALT)
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// Regular implementation
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//
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief XTEA context structure
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*/
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typedef struct
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{
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uint32_t k[4]; /*!< key */
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}
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xtea_context;
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/**
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* \brief Initialize XTEA context
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*
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* \param ctx XTEA context to be initialized
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*/
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void xtea_init( xtea_context *ctx );
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/**
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* \brief Clear XTEA context
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*
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* \param ctx XTEA context to be cleared
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*/
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void xtea_free( xtea_context *ctx );
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/**
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* \brief XTEA key schedule
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*
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* \param ctx XTEA context to be initialized
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* \param key the secret key
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*/
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void xtea_setup( xtea_context *ctx, const unsigned char key[16] );
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/**
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* \brief XTEA cipher function
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*
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* \param ctx XTEA context
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* \param mode XTEA_ENCRYPT or XTEA_DECRYPT
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* \param input 8-byte input block
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* \param output 8-byte output block
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*
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* \return 0 if successful
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*/
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int xtea_crypt_ecb( xtea_context *ctx,
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int mode,
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const unsigned char input[8],
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unsigned char output[8] );
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#if defined(POLARSSL_CIPHER_MODE_CBC)
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/**
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* \brief XTEA CBC cipher function
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*
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* \param ctx XTEA context
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* \param mode XTEA_ENCRYPT or XTEA_DECRYPT
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* \param length the length of input, multiple of 8
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* \param iv initialization vector for CBC mode
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* \param input input block
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* \param output output block
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*
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* \return 0 if successful,
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* POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH if the length % 8 != 0
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*/
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int xtea_crypt_cbc( xtea_context *ctx,
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int mode,
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size_t length,
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unsigned char iv[8],
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const unsigned char *input,
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unsigned char *output);
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#endif /* POLARSSL_CIPHER_MODE_CBC */
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#ifdef __cplusplus
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}
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#endif
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#else /* POLARSSL_XTEA_ALT */
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#include "xtea_alt.h"
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#endif /* POLARSSL_XTEA_ALT */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int xtea_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* xtea.h */
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