Rename include directory to mbedtls
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Manuel Pégourié-Gonnard
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129db08c90
commit
7f8099773e
250 changed files with 908 additions and 908 deletions
305
include/mbedtls/des.h
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305
include/mbedtls/des.h
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/**
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* \file des.h
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*
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* \brief DES block cipher
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*
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* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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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_DES_H
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#define POLARSSL_DES_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 <stddef.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 DES_ENCRYPT 1
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#define DES_DECRYPT 0
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#define POLARSSL_ERR_DES_INVALID_INPUT_LENGTH -0x0032 /**< The data input has an invalid length. */
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#define DES_KEY_SIZE 8
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#if !defined(POLARSSL_DES_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 DES context structure
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*/
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typedef struct
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{
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int mode; /*!< encrypt/decrypt */
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uint32_t sk[32]; /*!< DES subkeys */
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}
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des_context;
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/**
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* \brief Triple-DES context structure
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*/
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typedef struct
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{
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int mode; /*!< encrypt/decrypt */
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uint32_t sk[96]; /*!< 3DES subkeys */
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}
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des3_context;
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/**
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* \brief Initialize DES context
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*
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* \param ctx DES context to be initialized
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*/
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void des_init( des_context *ctx );
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/**
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* \brief Clear DES context
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*
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* \param ctx DES context to be cleared
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*/
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void des_free( des_context *ctx );
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/**
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* \brief Initialize Triple-DES context
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*
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* \param ctx DES3 context to be initialized
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*/
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void des3_init( des3_context *ctx );
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/**
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* \brief Clear Triple-DES context
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*
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* \param ctx DES3 context to be cleared
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*/
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void des3_free( des3_context *ctx );
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/**
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* \brief Set key parity on the given key to odd.
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*
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* DES keys are 56 bits long, but each byte is padded with
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* a parity bit to allow verification.
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*
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* \param key 8-byte secret key
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*/
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void des_key_set_parity( unsigned char key[DES_KEY_SIZE] );
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/**
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* \brief Check that key parity on the given key is odd.
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*
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* DES keys are 56 bits long, but each byte is padded with
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* a parity bit to allow verification.
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*
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* \param key 8-byte secret key
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*
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* \return 0 is parity was ok, 1 if parity was not correct.
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*/
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int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] );
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/**
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* \brief Check that key is not a weak or semi-weak DES key
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*
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* \param key 8-byte secret key
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*
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* \return 0 if no weak key was found, 1 if a weak key was identified.
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*/
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int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] );
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/**
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* \brief DES key schedule (56-bit, encryption)
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*
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* \param ctx DES context to be initialized
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* \param key 8-byte secret key
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*
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* \return 0
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*/
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int des_setkey_enc( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
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/**
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* \brief DES key schedule (56-bit, decryption)
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*
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* \param ctx DES context to be initialized
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* \param key 8-byte secret key
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*
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* \return 0
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*/
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int des_setkey_dec( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
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/**
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* \brief Triple-DES key schedule (112-bit, encryption)
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*
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* \param ctx 3DES context to be initialized
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* \param key 16-byte secret key
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*
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* \return 0
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*/
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int des3_set2key_enc( des3_context *ctx,
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const unsigned char key[DES_KEY_SIZE * 2] );
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/**
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* \brief Triple-DES key schedule (112-bit, decryption)
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*
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* \param ctx 3DES context to be initialized
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* \param key 16-byte secret key
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*
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* \return 0
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*/
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int des3_set2key_dec( des3_context *ctx,
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const unsigned char key[DES_KEY_SIZE * 2] );
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/**
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* \brief Triple-DES key schedule (168-bit, encryption)
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*
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* \param ctx 3DES context to be initialized
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* \param key 24-byte secret key
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*
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* \return 0
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*/
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int des3_set3key_enc( des3_context *ctx,
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const unsigned char key[DES_KEY_SIZE * 3] );
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/**
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* \brief Triple-DES key schedule (168-bit, decryption)
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*
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* \param ctx 3DES context to be initialized
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* \param key 24-byte secret key
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*
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* \return 0
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*/
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int des3_set3key_dec( des3_context *ctx,
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const unsigned char key[DES_KEY_SIZE * 3] );
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/**
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* \brief DES-ECB block encryption/decryption
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*
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* \param ctx DES context
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* \param input 64-bit input block
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* \param output 64-bit output block
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*
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* \return 0 if successful
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*/
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int des_crypt_ecb( des_context *ctx,
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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 DES-CBC buffer encryption/decryption
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*
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* \note Upon exit, the content of the IV is updated so that you can
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* call the function same function again on the following
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* block(s) of data and get the same result as if it was
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* encrypted in one call. This allows a "streaming" usage.
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* If on the other hand you need to retain the contents of the
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* IV, you should either save it manually or use the cipher
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* module instead.
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*
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* \param ctx DES context
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* \param mode DES_ENCRYPT or DES_DECRYPT
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* \param length length of the input data
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* \param iv initialization vector (updated after use)
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* \param input buffer holding the input data
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* \param output buffer holding the output data
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*/
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int des_crypt_cbc( des_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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/**
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* \brief 3DES-ECB block encryption/decryption
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*
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* \param ctx 3DES context
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* \param input 64-bit input block
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* \param output 64-bit output block
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*
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* \return 0 if successful
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*/
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int des3_crypt_ecb( des3_context *ctx,
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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 3DES-CBC buffer encryption/decryption
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*
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* \note Upon exit, the content of the IV is updated so that you can
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* call the function same function again on the following
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* block(s) of data and get the same result as if it was
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* encrypted in one call. This allows a "streaming" usage.
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* If on the other hand you need to retain the contents of the
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* IV, you should either save it manually or use the cipher
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* module instead.
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*
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* \param ctx 3DES context
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* \param mode DES_ENCRYPT or DES_DECRYPT
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* \param length length of the input data
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* \param iv initialization vector (updated after use)
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* \param input buffer holding the input data
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* \param output buffer holding the output data
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*
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* \return 0 if successful, or POLARSSL_ERR_DES_INVALID_INPUT_LENGTH
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*/
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int des3_crypt_cbc( des3_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_DES_ALT */
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#include "des_alt.h"
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#endif /* POLARSSL_DES_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 des_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* des.h */
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