+++ /dev/null
-/**
- * \file des.h
- *
- * \brief DES block cipher
- *
- * Copyright (C) 2006-2013, Brainspark B.V.
- *
- * This file is part of PolarSSL (http://www.polarssl.org)
- * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
- *
- * All rights reserved.
- *
- * 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.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-#ifndef POLARSSL_DES_H
-#define POLARSSL_DES_H
-
-//#include "config.h"
-/**
- * \def POLARSSL_CIPHER_MODE_CBC
- *
- * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers.
- */
-#define POLARSSL_CIPHER_MODE_CBC
-
-#include <string.h>
-
-#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
-#include <basetsd.h>
-typedef UINT32 uint32_t;
-#else
-#include <inttypes.h>
-#endif
-
-#define DES_ENCRYPT 1
-#define DES_DECRYPT 0
-
-#define POLARSSL_ERR_DES_INVALID_INPUT_LENGTH -0x0032 /**< The data input has an invalid length. */
-
-#define DES_KEY_SIZE 8
-
-#if !defined(POLARSSL_DES_ALT)
-// Regular implementation
-//
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \brief DES context structure
- */
-typedef struct
-{
- int mode; /*!< encrypt/decrypt */
- uint32_t sk[32]; /*!< DES subkeys */
-}
-des_context;
-
-/**
- * \brief Triple-DES context structure
- */
-typedef struct
-{
- int mode; /*!< encrypt/decrypt */
- uint32_t sk[96]; /*!< 3DES subkeys */
-}
-des3_context;
-/*
- * Triple-DES key schedule (112-bit, encryption)
- */
-int des3_set2key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
-
-/*
- * Triple-DES key schedule (112-bit, decryption)
- */
-int des3_set2key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
-
-/*
- * Triple-DES key schedule (168-bit, encryption)
- */
-int des3_set3key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
-
-/*
- * Triple-DES key schedule (168-bit, decryption)
- */
-int des3_set3key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
-
-/**
- * \brief Set key parity on the given key to odd.
- *
- * DES keys are 56 bits long, but each byte is padded with
- * a parity bit to allow verification.
- *
- * \param key 8-byte secret key
- */
-void des_key_set_parity( unsigned char key[DES_KEY_SIZE] );
-
-/**
- * \brief Check that key parity on the given key is odd.
- *
- * DES keys are 56 bits long, but each byte is padded with
- * a parity bit to allow verification.
- *
- * \param key 8-byte secret key
- *
- * \return 0 is parity was ok, 1 if parity was not correct.
- */
-int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] );
-
-/**
- * \brief Check that key is not a weak or semi-weak DES key
- *
- * \param key 8-byte secret key
- *
- * \return 0 if no weak key was found, 1 if a weak key was identified.
- */
-int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] );
-
-/**
- * \brief DES key schedule (56-bit, encryption)
- *
- * \param ctx DES context to be initialized
- * \param key 8-byte secret key
- *
- * \return 0
- */
-int des_setkey_enc( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
-
-/**
- * \brief DES key schedule (56-bit, decryption)
- *
- * \param ctx DES context to be initialized
- * \param key 8-byte secret key
- *
- * \return 0
- */
-int des_setkey_dec( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
-
-/**
- * \brief Triple-DES key schedule (112-bit, encryption)
- *
- * \param ctx 3DES context to be initialized
- * \param key 16-byte secret key
- *
- * \return 0
- */
-int des3_set2key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
-
-/**
- * \brief Triple-DES key schedule (112-bit, decryption)
- *
- * \param ctx 3DES context to be initialized
- * \param key 16-byte secret key
- *
- * \return 0
- */
-int des3_set2key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
-
-/**
- * \brief Triple-DES key schedule (168-bit, encryption)
- *
- * \param ctx 3DES context to be initialized
- * \param key 24-byte secret key
- *
- * \return 0
- */
-int des3_set3key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
-
-/**
- * \brief Triple-DES key schedule (168-bit, decryption)
- *
- * \param ctx 3DES context to be initialized
- * \param key 24-byte secret key
- *
- * \return 0
- */
-int des3_set3key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
-
-/**
- * \brief DES-ECB block encryption/decryption
- *
- * \param ctx DES context
- * \param input 64-bit input block
- * \param output 64-bit output block
- *
- * \return 0 if successful
- */
-int des_crypt_ecb( des_context *ctx,
- const unsigned char input[8],
- unsigned char output[8] );
-
-#if defined(POLARSSL_CIPHER_MODE_CBC)
-/**
- * \brief DES-CBC buffer encryption/decryption
- *
- * \param ctx DES context
- * \param mode DES_ENCRYPT or DES_DECRYPT
- * \param length length of the input data
- * \param iv initialization vector (updated after use)
- * \param input buffer holding the input data
- * \param output buffer holding the output data
- */
-int des_crypt_cbc( des_context *ctx,
- int mode,
- size_t length,
- unsigned char iv[8],
- const unsigned char *input,
- unsigned char *output );
-#endif /* POLARSSL_CIPHER_MODE_CBC */
-
-/**
- * \brief 3DES-ECB block encryption/decryption
- *
- * \param ctx 3DES context
- * \param input 64-bit input block
- * \param output 64-bit output block
- *
- * \return 0 if successful
- */
-int des3_crypt_ecb( des3_context *ctx,
- const unsigned char input[8],
- unsigned char output[8] );
-
-#if defined(POLARSSL_CIPHER_MODE_CBC)
-/**
- * \brief 3DES-CBC buffer encryption/decryption
- *
- * \param ctx 3DES context
- * \param mode DES_ENCRYPT or DES_DECRYPT
- * \param length length of the input data
- * \param iv initialization vector (updated after use)
- * \param input buffer holding the input data
- * \param output buffer holding the output data
- *
- * \return 0 if successful, or POLARSSL_ERR_DES_INVALID_INPUT_LENGTH
- */
-int des3_crypt_cbc( des3_context *ctx,
- int mode,
- size_t length,
- unsigned char iv[8],
- const unsigned char *input,
- unsigned char *output );
-#endif /* POLARSSL_CIPHER_MODE_CBC */
-
-#ifdef __cplusplus
-}
-#endif
-
-#else /* POLARSSL_DES_ALT */
-#include "des_alt.h"
-#endif /* POLARSSL_DES_ALT */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \brief Checkup routine
- *
- * \return 0 if successful, or 1 if the test failed
- */
-int des_self_test( int verbose );
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* des.h */
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