early-access version 1503
This commit is contained in:
99
externals/mbedtls/library/camellia.c
vendored
99
externals/mbedtls/library/camellia.c
vendored
@@ -1,8 +1,31 @@
|
||||
/*
|
||||
* Camellia implementation
|
||||
*
|
||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
||||
* SPDX-License-Identifier: GPL-2.0
|
||||
* Copyright The Mbed TLS Contributors
|
||||
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
|
||||
*
|
||||
* This file is provided under the Apache License 2.0, or the
|
||||
* GNU General Public License v2.0 or later.
|
||||
*
|
||||
* **********
|
||||
* Apache License 2.0:
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
* not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* **********
|
||||
*
|
||||
* **********
|
||||
* GNU General Public License v2.0 or later:
|
||||
*
|
||||
* 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
|
||||
@@ -18,7 +41,7 @@
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* This file is part of mbed TLS (https://tls.mbed.org)
|
||||
* **********
|
||||
*/
|
||||
/*
|
||||
* The Camellia block cipher was designed by NTT and Mitsubishi Electric
|
||||
@@ -51,6 +74,12 @@
|
||||
|
||||
#if !defined(MBEDTLS_CAMELLIA_ALT)
|
||||
|
||||
/* Parameter validation macros */
|
||||
#define CAMELLIA_VALIDATE_RET( cond ) \
|
||||
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA )
|
||||
#define CAMELLIA_VALIDATE( cond ) \
|
||||
MBEDTLS_INTERNAL_VALIDATE( cond )
|
||||
|
||||
/*
|
||||
* 32-bit integer manipulation macros (big endian)
|
||||
*/
|
||||
@@ -323,6 +352,7 @@ static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
|
||||
|
||||
void mbedtls_camellia_init( mbedtls_camellia_context *ctx )
|
||||
{
|
||||
CAMELLIA_VALIDATE( ctx != NULL );
|
||||
memset( ctx, 0, sizeof( mbedtls_camellia_context ) );
|
||||
}
|
||||
|
||||
@@ -337,8 +367,9 @@ void mbedtls_camellia_free( mbedtls_camellia_context *ctx )
|
||||
/*
|
||||
* Camellia key schedule (encryption)
|
||||
*/
|
||||
int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
int idx;
|
||||
size_t i;
|
||||
@@ -348,6 +379,9 @@ int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned c
|
||||
uint32_t KC[16];
|
||||
uint32_t TK[20];
|
||||
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( key != NULL );
|
||||
|
||||
RK = ctx->rk;
|
||||
|
||||
memset( t, 0, 64 );
|
||||
@@ -358,7 +392,7 @@ int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned c
|
||||
case 128: ctx->nr = 3; idx = 0; break;
|
||||
case 192:
|
||||
case 256: ctx->nr = 4; idx = 1; break;
|
||||
default : return( MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH );
|
||||
default : return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
||||
}
|
||||
|
||||
for( i = 0; i < keybits / 8; ++i )
|
||||
@@ -442,14 +476,17 @@ int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned c
|
||||
/*
|
||||
* Camellia key schedule (decryption)
|
||||
*/
|
||||
int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx,
|
||||
const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
int idx, ret;
|
||||
size_t i;
|
||||
mbedtls_camellia_context cty;
|
||||
uint32_t *RK;
|
||||
uint32_t *SK;
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( key != NULL );
|
||||
|
||||
mbedtls_camellia_init( &cty );
|
||||
|
||||
@@ -497,6 +534,11 @@ int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
|
||||
{
|
||||
int NR;
|
||||
uint32_t *RK, X[4];
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
||||
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
||||
CAMELLIA_VALIDATE_RET( input != NULL );
|
||||
CAMELLIA_VALIDATE_RET( output != NULL );
|
||||
|
||||
( (void) mode );
|
||||
|
||||
@@ -554,14 +596,20 @@ int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
|
||||
* Camellia-CBC buffer encryption/decryption
|
||||
*/
|
||||
int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int i;
|
||||
unsigned char temp[16];
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
||||
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
||||
CAMELLIA_VALIDATE_RET( iv != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
||||
|
||||
if( length % 16 )
|
||||
return( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH );
|
||||
@@ -616,7 +664,18 @@ int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
|
||||
unsigned char *output )
|
||||
{
|
||||
int c;
|
||||
size_t n = *iv_off;
|
||||
size_t n;
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
||||
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
||||
CAMELLIA_VALIDATE_RET( iv != NULL );
|
||||
CAMELLIA_VALIDATE_RET( iv_off != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
||||
|
||||
n = *iv_off;
|
||||
if( n >= 16 )
|
||||
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
||||
|
||||
if( mode == MBEDTLS_CAMELLIA_DECRYPT )
|
||||
{
|
||||
@@ -664,7 +723,17 @@ int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx,
|
||||
unsigned char *output )
|
||||
{
|
||||
int c, i;
|
||||
size_t n = *nc_off;
|
||||
size_t n;
|
||||
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
||||
CAMELLIA_VALIDATE_RET( nonce_counter != NULL );
|
||||
CAMELLIA_VALIDATE_RET( stream_block != NULL );
|
||||
CAMELLIA_VALIDATE_RET( nc_off != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
||||
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
||||
|
||||
n = *nc_off;
|
||||
if( n >= 16 )
|
||||
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
||||
|
||||
while( length-- )
|
||||
{
|
||||
|
Reference in New Issue
Block a user