From 9db10386430479067795bec66bb26343ff176ded Mon Sep 17 00:00:00 2001 From: Adam Harrison Date: Thu, 6 Jul 2023 06:37:41 -0400 Subject: Removed old mbedtls, replacing with submodule. --- lib/mbedtls-2.27.0/library/xtea.c | 271 -------------------------------------- 1 file changed, 271 deletions(-) delete mode 100644 lib/mbedtls-2.27.0/library/xtea.c (limited to 'lib/mbedtls-2.27.0/library/xtea.c') diff --git a/lib/mbedtls-2.27.0/library/xtea.c b/lib/mbedtls-2.27.0/library/xtea.c deleted file mode 100644 index 4b8c9c0..0000000 --- a/lib/mbedtls-2.27.0/library/xtea.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * An 32-bit implementation of the XTEA algorithm - * - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-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. - */ - -#include "common.h" - -#if defined(MBEDTLS_XTEA_C) - -#include "mbedtls/xtea.h" -#include "mbedtls/platform_util.h" - -#include - -#if defined(MBEDTLS_SELF_TEST) -#if defined(MBEDTLS_PLATFORM_C) -#include "mbedtls/platform.h" -#else -#include -#define mbedtls_printf printf -#endif /* MBEDTLS_PLATFORM_C */ -#endif /* MBEDTLS_SELF_TEST */ - -#if !defined(MBEDTLS_XTEA_ALT) - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_UINT32_BE -#define GET_UINT32_BE(n,b,i) \ -{ \ - (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ - | ( (uint32_t) (b)[(i) + 1] << 16 ) \ - | ( (uint32_t) (b)[(i) + 2] << 8 ) \ - | ( (uint32_t) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_UINT32_BE -#define PUT_UINT32_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -void mbedtls_xtea_init( mbedtls_xtea_context *ctx ) -{ - memset( ctx, 0, sizeof( mbedtls_xtea_context ) ); -} - -void mbedtls_xtea_free( mbedtls_xtea_context *ctx ) -{ - if( ctx == NULL ) - return; - - mbedtls_platform_zeroize( ctx, sizeof( mbedtls_xtea_context ) ); -} - -/* - * XTEA key schedule - */ -void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] ) -{ - int i; - - memset( ctx, 0, sizeof(mbedtls_xtea_context) ); - - for( i = 0; i < 4; i++ ) - { - GET_UINT32_BE( ctx->k[i], key, i << 2 ); - } -} - -/* - * XTEA encrypt function - */ -int mbedtls_xtea_crypt_ecb( mbedtls_xtea_context *ctx, int mode, - const unsigned char input[8], unsigned char output[8]) -{ - uint32_t *k, v0, v1, i; - - k = ctx->k; - - GET_UINT32_BE( v0, input, 0 ); - GET_UINT32_BE( v1, input, 4 ); - - if( mode == MBEDTLS_XTEA_ENCRYPT ) - { - uint32_t sum = 0, delta = 0x9E3779B9; - - for( i = 0; i < 32; i++ ) - { - v0 += (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]); - sum += delta; - v1 += (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]); - } - } - else /* MBEDTLS_XTEA_DECRYPT */ - { - uint32_t delta = 0x9E3779B9, sum = delta * 32; - - for( i = 0; i < 32; i++ ) - { - v1 -= (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]); - sum -= delta; - v0 -= (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]); - } - } - - PUT_UINT32_BE( v0, output, 0 ); - PUT_UINT32_BE( v1, output, 4 ); - - return( 0 ); -} - -#if defined(MBEDTLS_CIPHER_MODE_CBC) -/* - * XTEA-CBC buffer encryption/decryption - */ -int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx, int mode, size_t length, - unsigned char iv[8], const unsigned char *input, - unsigned char *output) -{ - int i; - unsigned char temp[8]; - - if( length % 8 ) - return( MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH ); - - if( mode == MBEDTLS_XTEA_DECRYPT ) - { - while( length > 0 ) - { - memcpy( temp, input, 8 ); - mbedtls_xtea_crypt_ecb( ctx, mode, input, output ); - - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - else - { - while( length > 0 ) - { - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - mbedtls_xtea_crypt_ecb( ctx, mode, output, output ); - memcpy( iv, output, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - - return( 0 ); -} -#endif /* MBEDTLS_CIPHER_MODE_CBC */ -#endif /* !MBEDTLS_XTEA_ALT */ - -#if defined(MBEDTLS_SELF_TEST) - -/* - * XTEA tests vectors (non-official) - */ - -static const unsigned char xtea_test_key[6][16] = -{ - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 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 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 } -}; - -static const unsigned char xtea_test_pt[6][8] = -{ - { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0x5a, 0x5b, 0x6e, 0x27, 0x89, 0x48, 0xd7, 0x7f }, - { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0x70, 0xe1, 0x22, 0x5d, 0x6e, 0x4e, 0x76, 0x55 } -}; - -static const unsigned char xtea_test_ct[6][8] = -{ - { 0x49, 0x7d, 0xf3, 0xd0, 0x72, 0x61, 0x2c, 0xb5 }, - { 0xe7, 0x8f, 0x2d, 0x13, 0x74, 0x43, 0x41, 0xd8 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0xa0, 0x39, 0x05, 0x89, 0xf8, 0xb8, 0xef, 0xa5 }, - { 0xed, 0x23, 0x37, 0x5a, 0x82, 0x1a, 0x8c, 0x2d }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 } -}; - -/* - * Checkup routine - */ -int mbedtls_xtea_self_test( int verbose ) -{ - int i, ret = 0; - unsigned char buf[8]; - mbedtls_xtea_context ctx; - - mbedtls_xtea_init( &ctx ); - for( i = 0; i < 6; i++ ) - { - if( verbose != 0 ) - mbedtls_printf( " XTEA test #%d: ", i + 1 ); - - memcpy( buf, xtea_test_pt[i], 8 ); - - mbedtls_xtea_setup( &ctx, xtea_test_key[i] ); - mbedtls_xtea_crypt_ecb( &ctx, MBEDTLS_XTEA_ENCRYPT, buf, buf ); - - if( memcmp( buf, xtea_test_ct[i], 8 ) != 0 ) - { - if( verbose != 0 ) - mbedtls_printf( "failed\n" ); - - ret = 1; - goto exit; - } - - if( verbose != 0 ) - mbedtls_printf( "passed\n" ); - } - - if( verbose != 0 ) - mbedtls_printf( "\n" ); - -exit: - mbedtls_xtea_free( &ctx ); - - return( ret ); -} - -#endif /* MBEDTLS_SELF_TEST */ - -#endif /* MBEDTLS_XTEA_C */ -- cgit v1.2.3