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- Added first version of Camellia
This commit is contained in:
Paul Bakker
parent
7a7c78fd02
commit
38119b18d6
@ -3,7 +3,8 @@ PolarSSL ChangeLog
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= Version 0.x released on 2009-01-??
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* Migrated XySSL to PolarSSL
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* Added XTEA symmetric cipher
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? * Added Camellia symmetric cipher
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* Added Camellia symmetric cipher
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? * Added SSL Support for Camellia
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? * Fixed dangerous bug that can cause a heap overflow in
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rsa_pkcs1_decrypt
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118
include/polarssl/camellia.h
Normal file
118
include/polarssl/camellia.h
Normal file
@ -0,0 +1,118 @@
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/**
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* \file camellia.h
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*
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* Copyright (C) 2009 Paul Bakker
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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_CAMELLIA_H
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#define POLARSSL_CAMELLIA_H
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#define CAMELLIA_ENCRYPT 1
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#define CAMELLIA_DECRYPT 0
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/**
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* \brief CAMELLIA context structure
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*/
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typedef struct
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{
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int nr; /*!< number of rounds */
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unsigned long rk[68]; /*!< CAMELLIA round keys */
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}
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camellia_context;
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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 CAMELLIA key schedule (encryption)
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*
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* \param ctx CAMELLIA context to be initialized
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* \param key encryption key
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* \param keysize must be 128, 192 or 256
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*/
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void camellia_setkey_enc( camellia_context *ctx, unsigned char *key, int keysize );
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/**
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* \brief CAMELLIA key schedule (decryption)
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*
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* \param ctx CAMELLIA context to be initialized
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* \param key decryption key
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* \param keysize must be 128, 192 or 256
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*/
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void camellia_setkey_dec( camellia_context *ctx, unsigned char *key, int keysize );
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/**
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* \brief CAMELLIA-ECB block encryption/decryption
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*
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* \param ctx CAMELLIA context
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* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
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* \param input 16-byte input block
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* \param output 16-byte output block
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*/
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void camellia_crypt_ecb( camellia_context *ctx,
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int mode,
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unsigned char input[16],
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unsigned char output[16] );
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/**
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* \brief CAMELLIA-CBC buffer encryption/decryption
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*
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* \param ctx CAMELLIA context
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* \param mode CAMELLIA_ENCRYPT or CAMELLIA_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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void camellia_crypt_cbc( camellia_context *ctx,
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int mode,
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int length,
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unsigned char iv[16],
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unsigned char *input,
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unsigned char *output );
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/**
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* \brief CAMELLIA-CFB128 buffer encryption/decryption
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*
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* \param ctx CAMELLIA context
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* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
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* \param length length of the input data
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* \param iv_off offset in IV (updated after use)
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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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void camellia_crypt_cfb128( camellia_context *ctx,
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int mode,
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int length,
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int *iv_off,
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unsigned char iv[16],
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unsigned char *input,
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unsigned char *output );
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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 camellia_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* camellia.h */
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@ -120,6 +120,14 @@
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*/
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#define POLARSSL_BIGNUM_C
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/*
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* Module: library/camellia.c
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* Caller:
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*
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* This module enabled the following cipher suites:
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*/
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#define POLARSSL_CAMELLIA_C
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/*
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* Module: library/certs.c
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* Caller:
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@ -24,7 +24,8 @@ OBJS= aes.o arc4.o base64.o \
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net.o padlock.o rsa.o \
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sha1.o sha2.o sha4.o \
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ssl_cli.o ssl_srv.o ssl_tls.o \
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timing.o x509parse.o xtea.o
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timing.o x509parse.o xtea.o \
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camellia.o
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.SILENT:
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833
library/camellia.c
Normal file
833
library/camellia.c
Normal file
@ -0,0 +1,833 @@
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/*
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* Camellia implementation
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*
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* Copyright (C) 2009 Paul Bakker
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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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/*
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* The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
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*
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* http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
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* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_CAMELLIA_C)
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#include "polarssl/camellia.h"
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#include <string.h>
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#include <stdio.h> /* TEMP */
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int verbose = 0;
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/*
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* 32-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_ULONG_BE
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#define GET_ULONG_BE(n,b,i) \
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{ \
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(n) = ( (unsigned long) (b)[(i) ] << 24 ) \
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| ( (unsigned long) (b)[(i) + 1] << 16 ) \
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| ( (unsigned long) (b)[(i) + 2] << 8 ) \
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| ( (unsigned long) (b)[(i) + 3] ); \
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}
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#endif
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#ifndef PUT_ULONG_BE
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#define PUT_ULONG_BE(n,b,i) \
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{ \
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(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) ); \
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}
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#endif
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static const unsigned char SIGMA_CHARS[6][8] =
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{
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{ 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b },
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{ 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 },
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{ 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe },
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{ 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c },
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{ 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d },
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{ 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd }
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};
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static const unsigned char FSb[256] =
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{
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112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
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35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
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134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
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166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
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139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
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223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
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20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
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254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
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170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
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16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
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135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
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82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
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233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
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120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
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114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
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64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158
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};
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#define SBOX1(n) FSb[(n)]
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#define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff)
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#define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff)
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#define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff]
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static const unsigned char shifts[2][4][4] =
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{
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{
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{ 1, 1, 1, 1 }, /* KL */
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{ 0, 0, 0, 0 }, /* KR */
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{ 1, 1, 1, 1 }, /* KA */
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{ 0, 0, 0, 0 } /* KB */
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},
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{
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{ 1, 0, 1, 1 }, /* KL */
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{ 1, 1, 0, 1 }, /* KR */
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{ 1, 1, 1, 0 }, /* KA */
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{ 1, 1, 0, 1 } /* KB */
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}
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};
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static const char indexes[2][4][20] =
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{
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{
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{ 0, 1, 2, 3, 8, 9, 10, 11, 38, 39,
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36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */
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{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */
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{ 4, 5, 6, 7, 12, 13, 14, 15, 16, 17,
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18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */
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{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */
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},
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{
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{ 0, 1, 2, 3, 61, 62, 63, 60, -1, -1,
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-1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */
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{ -1, -1, -1, -1, 8, 9, 10, 11, 16, 17,
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18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */
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{ -1, -1, -1, -1, 12, 13, 14, 15, 58, 59,
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56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */
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{ 4, 5, 6, 7, 65, 66, 67, 64, 20, 21,
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22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */
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}
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};
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static const char transposes[2][20] =
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{
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{
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21, 22, 23, 20,
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-1, -1, -1, -1,
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18, 19, 16, 17,
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11, 8, 9, 10,
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15, 12, 13, 14
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},
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{
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25, 26, 27, 24,
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29, 30, 31, 28,
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18, 19, 16, 17,
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-1, -1, -1, -1,
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-1, -1, -1, -1
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}
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};
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/* Shift macro for smaller than 32 bits (!) */
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#define ROTL(DEST, SRC, SHIFT) \
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{ \
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(DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \
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(DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \
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(DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \
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(DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \
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}
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#define FL(XL, XR, KL, KR) \
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{ \
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(XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \
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(XL) = ((XR) | (KR)) ^ (XL); \
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}
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#define FLInv(YL, YR, KL, KR) \
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{ \
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(YL) = ((YR) | (KR)) ^ (YL); \
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(YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \
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}
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#define SHIFT_AND_PLACE(INDEX, OFFSET) \
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{ \
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TK[0] = KC[(OFFSET) * 4 + 0]; \
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TK[1] = KC[(OFFSET) * 4 + 1]; \
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TK[2] = KC[(OFFSET) * 4 + 2]; \
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TK[3] = KC[(OFFSET) * 4 + 3]; \
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\
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for ( i = 1; i <= 4; i++ ) \
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if (shifts[(INDEX)][(OFFSET)][i -1]) \
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ROTL(TK + i * 4, TK, (15 * i) % 32); \
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\
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for ( i = 0; i < 20; i++ ) \
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if (indexes[(INDEX)][(OFFSET)][i] != -1) { \
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RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \
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} \
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}
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void camellia_feistel(unsigned long x[2], unsigned long k[2], unsigned long z[2])
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{
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unsigned char t[8];
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if (verbose >= 2)
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printf("FEISTEL: X: %08x%08x K: %08x%08x ", x[0], x[1], k[0], k[1]);
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t[0] = SBOX1(((x[0] ^ k[0]) >> 24) & 0xFF);
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t[1] = SBOX2(((x[0] ^ k[0]) >> 16) & 0xFF);
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t[2] = SBOX3(((x[0] ^ k[0]) >> 8) & 0xFF);
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t[3] = SBOX4(((x[0] ^ k[0]) ) & 0xFF);
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t[4] = SBOX2(((x[1] ^ k[1]) >> 24) & 0xFF);
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t[5] = SBOX3(((x[1] ^ k[1]) >> 16) & 0xFF);
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t[6] = SBOX4(((x[1] ^ k[1]) >> 8) & 0xFF);
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t[7] = SBOX1(((x[1] ^ k[1]) ) & 0xFF);
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z[0] ^= ((t[0] ^ t[2] ^ t[3] ^ t[5] ^ t[6] ^ t[7]) << 24) |
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((t[0] ^ t[1] ^ t[3] ^ t[4] ^ t[6] ^ t[7]) << 16) |
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((t[0] ^ t[1] ^ t[2] ^ t[4] ^ t[5] ^ t[7]) << 8) |
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((t[1] ^ t[2] ^ t[3] ^ t[4] ^ t[5] ^ t[6]) );
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z[1] ^= ((t[0] ^ t[1] ^ t[5] ^ t[6] ^ t[7]) << 24) |
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((t[1] ^ t[2] ^ t[4] ^ t[6] ^ t[7]) << 16) |
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((t[2] ^ t[3] ^ t[4] ^ t[5] ^ t[7]) << 8) |
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((t[0] ^ t[3] ^ t[4] ^ t[5] ^ t[6]) );
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if (verbose >= 2)
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printf("Z: %08x%08x\n", z[0], z[1]);
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}
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/*
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* Camellia key schedule (encryption)
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*/
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void camellia_setkey_enc( camellia_context *ctx, unsigned char *key, int keysize )
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{
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int i, idx;
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unsigned long *RK;
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unsigned char t[64];
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RK = ctx->rk;
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memset(t, 0, 64);
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memset(RK, 0, sizeof(ctx->rk));
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switch( keysize )
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{
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case 128: ctx->nr = 3; idx = 0; break;
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case 192:
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case 256: ctx->nr = 4; idx = 1; break;
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default : return;
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}
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for( i = 0; i < keysize / 8; ++i)
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t[i] = key[i];
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if (keysize == 192) {
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for (i = 0; i < 8; i++)
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t[24 + i] = ~t[16 + i];
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}
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if (verbose >= 2)
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printf("\nKey schedule (enc)\n");
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|
||||
/*
|
||||
* Prepare SIGMA values
|
||||
*/
|
||||
unsigned long SIGMA[6][2];
|
||||
for (i = 0; i < 6; i++) {
|
||||
GET_ULONG_BE(SIGMA[i][0], SIGMA_CHARS[i], 0);
|
||||
GET_ULONG_BE(SIGMA[i][1], SIGMA_CHARS[i], 4);
|
||||
}
|
||||
|
||||
/*
|
||||
* Key storage in KC
|
||||
* Order: KL, KR, KA, KB
|
||||
*/
|
||||
unsigned long KC[16];
|
||||
memset(KC, 0, sizeof(KC));
|
||||
|
||||
/* Store KL, KR */
|
||||
for (i = 0; i < 8; i++)
|
||||
GET_ULONG_BE(KC[i], t, i * 4);
|
||||
|
||||
/* Generate KA */
|
||||
for( i = 0; i < 4; ++i)
|
||||
KC[8 + i] = KC[i] ^ KC[4 + i];
|
||||
|
||||
camellia_feistel(KC + 8, SIGMA[0], KC + 10);
|
||||
camellia_feistel(KC + 10, SIGMA[1], KC + 8);
|
||||
|
||||
for( i = 0; i < 4; ++i)
|
||||
KC[8 + i] ^= KC[i];
|
||||
|
||||
camellia_feistel(KC + 8, SIGMA[2], KC + 10);
|
||||
camellia_feistel(KC + 10, SIGMA[3], KC + 8);
|
||||
|
||||
if (keysize > 128) {
|
||||
/* Generate KB */
|
||||
for( i = 0; i < 4; ++i)
|
||||
KC[12 + i] = KC[4 + i] ^ KC[8 + i];
|
||||
|
||||
camellia_feistel(KC + 12, SIGMA[4], KC + 14);
|
||||
camellia_feistel(KC + 14, SIGMA[5], KC + 12);
|
||||
}
|
||||
|
||||
/*
|
||||
* Generating subkeys
|
||||
*/
|
||||
unsigned long TK[20];
|
||||
|
||||
/* Manipulating KL */
|
||||
SHIFT_AND_PLACE(idx, 0);
|
||||
|
||||
/* Manipulating KR */
|
||||
if (keysize > 128) {
|
||||
SHIFT_AND_PLACE(idx, 1);
|
||||
}
|
||||
|
||||
/* Manipulating KA */
|
||||
SHIFT_AND_PLACE(idx, 2);
|
||||
|
||||
/* Manipulating KB */
|
||||
if (keysize > 128) {
|
||||
SHIFT_AND_PLACE(idx, 3);
|
||||
}
|
||||
|
||||
/* Do transpositions */
|
||||
for ( i = 0; i < 20; i++ ) {
|
||||
if (transposes[idx][i] != -1) {
|
||||
RK[32 + 12 * idx + i] = RK[transposes[idx][i]];
|
||||
}
|
||||
}
|
||||
|
||||
if (verbose >= 3)
|
||||
for (i = 0; i < 26 + 8 * idx; ++i)
|
||||
printf("RK[%d]: %08x%08x\n", i * 2, ctx->rk[i * 2 + 0], ctx->rk[i * 2 + 1]);
|
||||
}
|
||||
|
||||
/*
|
||||
* Camellia key schedule (decryption)
|
||||
*/
|
||||
void camellia_setkey_dec( camellia_context *ctx, unsigned char *key, int keysize )
|
||||
{
|
||||
int i, idx;
|
||||
camellia_context cty;
|
||||
unsigned long *RK;
|
||||
unsigned long *SK;
|
||||
|
||||
switch( keysize )
|
||||
{
|
||||
case 128: ctx->nr = 3; idx = 0; break;
|
||||
case 192:
|
||||
case 256: ctx->nr = 4; idx = 1; break;
|
||||
default : return;
|
||||
}
|
||||
|
||||
RK = ctx->rk;
|
||||
|
||||
camellia_setkey_enc(&cty, key, keysize);
|
||||
|
||||
SK = cty.rk + 24 * 2 + 8 * idx * 2;
|
||||
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
|
||||
for (i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4)
|
||||
{
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
}
|
||||
|
||||
SK -= 2;
|
||||
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
*RK++ = *SK++;
|
||||
|
||||
memset( &cty, 0, sizeof( camellia_context ) );
|
||||
|
||||
if (verbose >= 3)
|
||||
for (i = 0; i < 26 + 8 * idx; ++i)
|
||||
printf("RK[%d]: %08x%08x\n", i * 2, ctx->rk[i * 2 + 0], ctx->rk[i * 2 + 1]);
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Camellia-ECB block encryption/decryption
|
||||
*/
|
||||
void camellia_crypt_ecb( camellia_context *ctx,
|
||||
int mode,
|
||||
unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
int i, NR;
|
||||
unsigned long *RK, X[4], Y[4], T;
|
||||
|
||||
NR = ctx->nr;
|
||||
RK = ctx->rk;
|
||||
|
||||
if (verbose >= 2)
|
||||
printf("\nCrypt\n");
|
||||
|
||||
GET_ULONG_BE( X[0], input, 0 );
|
||||
GET_ULONG_BE( X[1], input, 4 );
|
||||
GET_ULONG_BE( X[2], input, 8 );
|
||||
GET_ULONG_BE( X[3], input, 12 );
|
||||
|
||||
X[0] ^= *RK++;
|
||||
X[1] ^= *RK++;
|
||||
X[2] ^= *RK++;
|
||||
X[3] ^= *RK++;
|
||||
|
||||
while (NR) {
|
||||
--NR;
|
||||
camellia_feistel(X, RK, X + 2);
|
||||
RK += 2;
|
||||
camellia_feistel(X + 2, RK, X);
|
||||
RK += 2;
|
||||
camellia_feistel(X, RK, X + 2);
|
||||
RK += 2;
|
||||
camellia_feistel(X + 2, RK, X);
|
||||
RK += 2;
|
||||
camellia_feistel(X, RK, X + 2);
|
||||
RK += 2;
|
||||
camellia_feistel(X + 2, RK, X);
|
||||
RK += 2;
|
||||
|
||||
if (NR) {
|
||||
FL(X[0], X[1], RK[0], RK[1]);
|
||||
RK += 2;
|
||||
FLInv(X[2], X[3], RK[0], RK[1]);
|
||||
RK += 2;
|
||||
}
|
||||
}
|
||||
|
||||
X[2] ^= *RK++;
|
||||
X[3] ^= *RK++;
|
||||
X[0] ^= *RK++;
|
||||
X[1] ^= *RK++;
|
||||
|
||||
PUT_ULONG_BE( X[2], output, 0 );
|
||||
PUT_ULONG_BE( X[3], output, 4 );
|
||||
PUT_ULONG_BE( X[0], output, 8 );
|
||||
PUT_ULONG_BE( X[1], output, 12 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Camellia-CBC buffer encryption/decryption
|
||||
*/
|
||||
void camellia_crypt_cbc( camellia_context *ctx,
|
||||
int mode,
|
||||
int length,
|
||||
unsigned char iv[16],
|
||||
unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int i;
|
||||
unsigned char temp[16];
|
||||
|
||||
if( mode == CAMELLIA_DECRYPT )
|
||||
{
|
||||
while( length > 0 )
|
||||
{
|
||||
memcpy( temp, input, 16 );
|
||||
camellia_crypt_ecb( ctx, mode, input, output );
|
||||
|
||||
for( i = 0; i < 16; i++ )
|
||||
output[i] = (unsigned char)( output[i] ^ iv[i] );
|
||||
|
||||
memcpy( iv, temp, 16 );
|
||||
|
||||
input += 16;
|
||||
output += 16;
|
||||
length -= 16;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while( length > 0 )
|
||||
{
|
||||
for( i = 0; i < 16; i++ )
|
||||
output[i] = (unsigned char)( input[i] ^ iv[i] );
|
||||
|
||||
camellia_crypt_ecb( ctx, mode, output, output );
|
||||
memcpy( iv, output, 16 );
|
||||
|
||||
input += 16;
|
||||
output += 16;
|
||||
length -= 16;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Camellia-CFB128 buffer encryption/decryption
|
||||
*/
|
||||
void camellia_crypt_cfb128( camellia_context *ctx,
|
||||
int mode,
|
||||
int length,
|
||||
int *iv_off,
|
||||
unsigned char iv[16],
|
||||
unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int c, n = *iv_off;
|
||||
|
||||
if( mode == CAMELLIA_DECRYPT )
|
||||
{
|
||||
while( length-- )
|
||||
{
|
||||
if( n == 0 )
|
||||
camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv );
|
||||
|
||||
c = *input++;
|
||||
*output++ = (unsigned char)( c ^ iv[n] );
|
||||
iv[n] = (unsigned char) c;
|
||||
|
||||
n = (n + 1) & 0x0F;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while( length-- )
|
||||
{
|
||||
if( n == 0 )
|
||||
camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv );
|
||||
|
||||
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
|
||||
|
||||
n = (n + 1) & 0x0F;
|
||||
}
|
||||
}
|
||||
|
||||
*iv_off = n;
|
||||
}
|
||||
|
||||
#if defined(POLARSSL_SELF_TEST)
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
/*
|
||||
* Camellia test vectors from:
|
||||
*
|
||||
* http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html:
|
||||
* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt
|
||||
* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt
|
||||
* (For each bitlength: Key 0, Nr 39)
|
||||
*/
|
||||
#define CAMELLIA_TESTS_ECB 2
|
||||
|
||||
static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] =
|
||||
{
|
||||
{
|
||||
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
|
||||
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
|
||||
},
|
||||
{
|
||||
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
|
||||
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
|
||||
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 },
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
|
||||
},
|
||||
{
|
||||
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
|
||||
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
|
||||
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
|
||||
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
|
||||
},
|
||||
};
|
||||
|
||||
static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] =
|
||||
{
|
||||
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
|
||||
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
|
||||
{ 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
|
||||
};
|
||||
|
||||
static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] =
|
||||
{
|
||||
{
|
||||
{ 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73,
|
||||
0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 },
|
||||
{ 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE,
|
||||
0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 }
|
||||
},
|
||||
{
|
||||
{ 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8,
|
||||
0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 },
|
||||
{ 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9,
|
||||
0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 }
|
||||
},
|
||||
{
|
||||
{ 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c,
|
||||
0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 },
|
||||
{ 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C,
|
||||
0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 }
|
||||
}
|
||||
};
|
||||
|
||||
#define CAMELLIA_TESTS_CBC 3
|
||||
|
||||
static const unsigned char camellia_test_cbc_key[3][32] =
|
||||
{
|
||||
{ 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
|
||||
0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
|
||||
,
|
||||
{ 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
|
||||
0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
|
||||
0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }
|
||||
,
|
||||
{ 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
|
||||
0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
|
||||
0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
|
||||
0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
|
||||
};
|
||||
|
||||
static const unsigned char camellia_test_cbc_iv[16] =
|
||||
|
||||
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
||||
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
|
||||
;
|
||||
|
||||
static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] =
|
||||
{
|
||||
{ 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
|
||||
0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A },
|
||||
{ 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
|
||||
0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 },
|
||||
{ 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
|
||||
0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF }
|
||||
|
||||
};
|
||||
|
||||
static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] =
|
||||
{
|
||||
{
|
||||
{ 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0,
|
||||
0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB },
|
||||
{ 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78,
|
||||
0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 },
|
||||
{ 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B,
|
||||
0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 }
|
||||
},
|
||||
{
|
||||
{ 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2,
|
||||
0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 },
|
||||
{ 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42,
|
||||
0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 },
|
||||
{ 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8,
|
||||
0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 }
|
||||
},
|
||||
{
|
||||
{ 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A,
|
||||
0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA },
|
||||
{ 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40,
|
||||
0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 },
|
||||
{ 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA,
|
||||
0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 }
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* Checkup routine
|
||||
*/
|
||||
int camellia_self_test( int verbose )
|
||||
{
|
||||
int i, j, u, v, offset;
|
||||
unsigned char key[32];
|
||||
unsigned char buf[64];
|
||||
unsigned char prv[16];
|
||||
unsigned char src[16];
|
||||
unsigned char dst[16];
|
||||
unsigned char iv[16];
|
||||
camellia_context ctx;
|
||||
|
||||
memset( key, 0, 32 );
|
||||
|
||||
for (j = 0; j < 6; j++) {
|
||||
u = j >> 1;
|
||||
v = j & 1;
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64,
|
||||
(v == CAMELLIA_DECRYPT) ? "dec" : "enc");
|
||||
|
||||
for (i = 0; i < CAMELLIA_TESTS_ECB; i++ ) {
|
||||
memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u);
|
||||
|
||||
if (v == CAMELLIA_DECRYPT) {
|
||||
camellia_setkey_dec(&ctx, key, 128 + u * 64);
|
||||
memcpy(src, camellia_test_ecb_cipher[u][i], 16);
|
||||
memcpy(dst, camellia_test_ecb_plain[i], 16);
|
||||
} else { /* CAMELLIA_ENCRYPT */
|
||||
camellia_setkey_enc(&ctx, key, 128 + u * 64);
|
||||
memcpy(src, camellia_test_ecb_plain[i], 16);
|
||||
memcpy(dst, camellia_test_ecb_cipher[u][i], 16);
|
||||
}
|
||||
|
||||
camellia_crypt_ecb(&ctx, v, src, buf);
|
||||
|
||||
if( memcmp( buf, dst, 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "passed\n" );
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "\n" );
|
||||
|
||||
/*
|
||||
* CBC mode
|
||||
*/
|
||||
for( j = 0; j < 6; j++ )
|
||||
{
|
||||
u = j >> 1;
|
||||
v = j & 1;
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64,
|
||||
( v == CAMELLIA_DECRYPT ) ? "dec" : "enc" );
|
||||
|
||||
memcpy( src, camellia_test_cbc_iv, 16);
|
||||
memcpy( dst, camellia_test_cbc_iv, 16);
|
||||
memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u);
|
||||
|
||||
if (v == CAMELLIA_DECRYPT) {
|
||||
camellia_setkey_dec(&ctx, key, 128 + u * 64);
|
||||
} else {
|
||||
camellia_setkey_enc(&ctx, key, 128 + u * 64);
|
||||
}
|
||||
|
||||
for (i = 0; i < CAMELLIA_TESTS_CBC; i++ ) {
|
||||
|
||||
if (v == CAMELLIA_DECRYPT) {
|
||||
memcpy( iv , src, 16 );
|
||||
memcpy(src, camellia_test_cbc_cipher[u][i], 16);
|
||||
memcpy(dst, camellia_test_cbc_plain[i], 16);
|
||||
} else { /* CAMELLIA_ENCRYPT */
|
||||
memcpy( iv , dst, 16 );
|
||||
memcpy(src, camellia_test_cbc_plain[i], 16);
|
||||
memcpy(dst, camellia_test_cbc_cipher[u][i], 16);
|
||||
}
|
||||
|
||||
camellia_crypt_cbc(&ctx, v, 16, iv, src, buf);
|
||||
|
||||
if( memcmp( buf, dst, 16 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "passed\n" );
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "\n" );
|
||||
|
||||
return ( 0 );
|
||||
|
||||
/*
|
||||
* CFB128 mode
|
||||
*/
|
||||
/*
|
||||
for( i = 0; i < 6; i++ )
|
||||
{
|
||||
u = i >> 1;
|
||||
v = i & 1;
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
|
||||
( v == AES_DECRYPT ) ? "dec" : "enc" );
|
||||
|
||||
memcpy( iv, aes_test_cfb128_iv, 16 );
|
||||
memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
|
||||
|
||||
offset = 0;
|
||||
aes_setkey_enc( &ctx, key, 128 + u * 64 );
|
||||
|
||||
if( v == AES_DECRYPT )
|
||||
{
|
||||
memcpy( buf, aes_test_cfb128_ct[u], 64 );
|
||||
aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
|
||||
|
||||
if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
memcpy( buf, aes_test_cfb128_pt, 64 );
|
||||
aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
|
||||
|
||||
if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "passed\n" );
|
||||
}
|
||||
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "\n" );
|
||||
|
||||
return( 0 ); */
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -37,6 +37,7 @@
|
||||
#include "polarssl/arc4.h"
|
||||
#include "polarssl/des.h"
|
||||
#include "polarssl/aes.h"
|
||||
#include "polarssl/camellia.h"
|
||||
#include "polarssl/rsa.h"
|
||||
#include "polarssl/timing.h"
|
||||
|
||||
@ -67,6 +68,9 @@ int main( void )
|
||||
#if defined(POLARSSL_AES_C)
|
||||
aes_context aes;
|
||||
#endif
|
||||
#if defined(POLARSSL_CAMELLIA_C)
|
||||
camellia_context camellia;
|
||||
#endif
|
||||
#if defined(POLARSSL_RSA_C)
|
||||
rsa_context rsa;
|
||||
#endif
|
||||
@ -215,6 +219,30 @@ int main( void )
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(POLARSSL_CAMELLIA_C)
|
||||
for( keysize = 128; keysize <= 256; keysize += 64 )
|
||||
{
|
||||
printf( " CAMELLIA-%d : ", keysize );
|
||||
fflush( stdout );
|
||||
|
||||
memset( buf, 0, sizeof( buf ) );
|
||||
memset( tmp, 0, sizeof( tmp ) );
|
||||
camellia_setkey_enc( &camellia, tmp, keysize );
|
||||
|
||||
set_alarm( 1 );
|
||||
|
||||
for( i = 1; ! alarmed; i++ )
|
||||
camellia_crypt_cbc( &camellia, CAMELLIA_ENCRYPT, BUFSIZE, tmp, buf, buf );
|
||||
|
||||
tsc = hardclock();
|
||||
for( j = 0; j < 4096; j++ )
|
||||
camellia_crypt_cbc( &camellia, CAMELLIA_ENCRYPT, BUFSIZE, tmp, buf, buf );
|
||||
|
||||
printf( "%9lu Kb/s, %9lu cycles/byte\n", i * BUFSIZE / 1024,
|
||||
( hardclock() - tsc ) / ( j * BUFSIZE ) );
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(POLARSSL_RSA_C)
|
||||
rsa_init( &rsa, RSA_PKCS_V15, 0, myrand, NULL );
|
||||
rsa_gen_key( &rsa, 1024, 65537 );
|
||||
|
||||
@ -126,6 +126,11 @@ int main( int argc, char *argv[] )
|
||||
return( ret );
|
||||
#endif
|
||||
|
||||
#if defined(POLARSSL_CAMELLIA_C)
|
||||
if( ( ret = camellia_self_test( v ) ) != 0 )
|
||||
return( ret );
|
||||
#endif
|
||||
|
||||
if( v != 0 )
|
||||
{
|
||||
printf( " [ All tests passed ]\n\n" );
|
||||
|
||||
Loading…
Reference in New Issue
Block a user