2011-01-21 10:21:11 +00:00
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/*
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* generic message digest layer demonstration program
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*
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2015-07-27 09:11:48 +00:00
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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2015-09-04 12:21:07 +00:00
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* SPDX-License-Identifier: Apache-2.0
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2011-01-21 10:21:11 +00:00
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*
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2015-09-04 12:21:07 +00:00
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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2011-01-21 10:21:11 +00:00
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*
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2015-09-04 12:21:07 +00:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2011-01-21 10:21:11 +00:00
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*
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2015-09-04 12:21:07 +00:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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2011-01-21 10:21:11 +00:00
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*
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2015-09-04 12:21:07 +00:00
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* This file is part of mbed TLS (https://tls.mbed.org)
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2011-01-21 10:21:11 +00:00
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*/
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2015-04-08 10:49:31 +00:00
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#if !defined(MBEDTLS_CONFIG_FILE)
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2015-03-09 17:05:11 +00:00
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#include "mbedtls/config.h"
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2014-04-29 10:39:06 +00:00
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#else
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2015-04-08 10:49:31 +00:00
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#include MBEDTLS_CONFIG_FILE
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2014-04-29 10:39:06 +00:00
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#endif
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2011-01-21 10:21:11 +00:00
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2015-04-08 10:49:31 +00:00
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#if defined(MBEDTLS_PLATFORM_C)
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2015-03-09 17:05:11 +00:00
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#include "mbedtls/platform.h"
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2015-01-19 14:26:37 +00:00
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#else
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2015-02-11 14:06:19 +00:00
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#include <stdio.h>
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2018-04-29 21:35:36 +00:00
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#include <stdlib.h>
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#define mbedtls_fprintf fprintf
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#define mbedtls_printf printf
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2019-01-31 13:20:20 +00:00
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#define mbedtls_exit exit
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2018-04-30 21:42:33 +00:00
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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2018-04-29 21:35:36 +00:00
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif /* MBEDTLS_PLATFORM_C */
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2015-01-19 14:26:37 +00:00
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2015-04-08 10:49:31 +00:00
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#if defined(MBEDTLS_MD_C) && defined(MBEDTLS_FS_IO)
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2015-03-09 17:05:11 +00:00
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#include "mbedtls/md.h"
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2011-01-21 10:21:11 +00:00
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2015-02-11 14:06:19 +00:00
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#include <stdio.h>
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#include <string.h>
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#endif
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2015-04-08 10:49:31 +00:00
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#if !defined(MBEDTLS_MD_C) || !defined(MBEDTLS_FS_IO)
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2015-02-12 11:37:29 +00:00
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int main( void )
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2011-05-26 13:16:06 +00:00
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf("MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n");
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2011-05-26 13:16:06 +00:00
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return( 0 );
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}
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#else
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2019-01-31 13:20:20 +00:00
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#if defined(MBEDTLS_CHECK_PARAMS)
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#include "mbedtls/platform_util.h"
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void mbedtls_param_failed( const char *failure_condition,
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const char *file,
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int line )
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{
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mbedtls_printf( "%s:%i: Input param failed - %s\n",
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file, line, failure_condition );
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mbedtls_exit( MBEDTLS_EXIT_FAILURE );
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}
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#endif
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2015-04-08 10:49:31 +00:00
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static int generic_wrapper( const mbedtls_md_info_t *md_info, char *filename, unsigned char *sum )
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2011-01-21 10:21:11 +00:00
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{
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2015-04-08 10:49:31 +00:00
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int ret = mbedtls_md_file( md_info, filename, sum );
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2011-01-21 10:21:11 +00:00
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if( ret == 1 )
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2015-04-08 10:49:31 +00:00
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mbedtls_fprintf( stderr, "failed to open: %s\n", filename );
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2011-01-21 10:21:11 +00:00
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if( ret == 2 )
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2015-04-08 10:49:31 +00:00
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mbedtls_fprintf( stderr, "failed to read: %s\n", filename );
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2011-01-21 10:21:11 +00:00
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return( ret );
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}
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2015-04-08 10:49:31 +00:00
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static int generic_print( const mbedtls_md_info_t *md_info, char *filename )
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2011-01-21 10:21:11 +00:00
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{
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int i;
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2015-04-08 10:49:31 +00:00
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unsigned char sum[MBEDTLS_MD_MAX_SIZE];
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2011-01-21 10:21:11 +00:00
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if( generic_wrapper( md_info, filename, sum ) != 0 )
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return( 1 );
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2015-04-08 10:49:31 +00:00
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for( i = 0; i < mbedtls_md_get_size( md_info ); i++ )
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mbedtls_printf( "%02x", sum[i] );
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2011-01-21 10:21:11 +00:00
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( " %s\n", filename );
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2011-01-21 10:21:11 +00:00
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return( 0 );
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}
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2015-04-08 10:49:31 +00:00
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static int generic_check( const mbedtls_md_info_t *md_info, char *filename )
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2011-01-21 10:21:11 +00:00
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{
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int i;
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size_t n;
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FILE *f;
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int nb_err1, nb_err2;
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int nb_tot1, nb_tot2;
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2015-04-08 10:49:31 +00:00
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unsigned char sum[MBEDTLS_MD_MAX_SIZE];
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2016-05-12 11:46:02 +00:00
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char line[1024];
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2013-10-28 11:51:32 +00:00
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char diff;
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2016-05-12 11:46:02 +00:00
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#if defined(__clang_analyzer__)
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char buf[MBEDTLS_MD_MAX_SIZE * 2 + 1] = { };
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#else
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char buf[MBEDTLS_MD_MAX_SIZE * 2 + 1];
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#endif
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2011-01-21 10:21:11 +00:00
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if( ( f = fopen( filename, "rb" ) ) == NULL )
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "failed to open: %s\n", filename );
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2011-01-21 10:21:11 +00:00
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return( 1 );
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}
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nb_err1 = nb_err2 = 0;
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nb_tot1 = nb_tot2 = 0;
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memset( line, 0, sizeof( line ) );
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n = sizeof( line );
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2011-04-24 08:57:21 +00:00
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while( fgets( line, (int) n - 1, f ) != NULL )
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2011-01-21 10:21:11 +00:00
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{
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n = strlen( line );
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2015-04-08 10:49:31 +00:00
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if( n < (size_t) 2 * mbedtls_md_get_size( md_info ) + 4 )
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2011-01-21 10:21:11 +00:00
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name( md_info ));
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2011-01-21 10:21:11 +00:00
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continue;
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}
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2015-04-08 10:49:31 +00:00
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if( line[2 * mbedtls_md_get_size( md_info )] != ' ' || line[2 * mbedtls_md_get_size( md_info ) + 1] != ' ' )
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2011-01-21 10:21:11 +00:00
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name( md_info ));
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2011-01-21 10:21:11 +00:00
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continue;
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}
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if( line[n - 1] == '\n' ) { n--; line[n] = '\0'; }
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if( line[n - 1] == '\r' ) { n--; line[n] = '\0'; }
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nb_tot1++;
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2015-04-08 10:49:31 +00:00
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if( generic_wrapper( md_info, line + 2 + 2 * mbedtls_md_get_size( md_info ), sum ) != 0 )
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2011-01-21 10:21:11 +00:00
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{
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nb_err1++;
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continue;
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}
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nb_tot2++;
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2015-04-08 10:49:31 +00:00
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for( i = 0; i < mbedtls_md_get_size( md_info ); i++ )
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2011-01-21 10:21:11 +00:00
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sprintf( buf + i * 2, "%02x", sum[i] );
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2013-10-28 11:51:32 +00:00
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/* Use constant-time buffer comparison */
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diff = 0;
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2015-04-08 10:49:31 +00:00
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for( i = 0; i < 2 * mbedtls_md_get_size( md_info ); i++ )
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2013-10-28 11:51:32 +00:00
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diff |= line[i] ^ buf[i];
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if( diff != 0 )
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2011-01-21 10:21:11 +00:00
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{
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nb_err2++;
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2015-04-08 10:49:31 +00:00
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mbedtls_fprintf( stderr, "wrong checksum: %s\n", line + 66 );
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2011-01-21 10:21:11 +00:00
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}
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n = sizeof( line );
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}
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if( nb_err1 != 0 )
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "WARNING: %d (out of %d) input files could "
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2011-01-21 10:21:11 +00:00
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"not be read\n", nb_err1, nb_tot1 );
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}
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if( nb_err2 != 0 )
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "WARNING: %d (out of %d) computed checksums did "
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2011-01-21 10:21:11 +00:00
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"not match\n", nb_err2, nb_tot2 );
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}
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2014-02-06 14:03:06 +00:00
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fclose( f );
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2011-01-21 10:21:11 +00:00
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return( nb_err1 != 0 || nb_err2 != 0 );
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}
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int main( int argc, char *argv[] )
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{
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2018-04-29 21:35:36 +00:00
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int ret = 1, i;
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int exit_code = MBEDTLS_EXIT_FAILURE;
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2015-04-08 10:49:31 +00:00
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const mbedtls_md_info_t *md_info;
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mbedtls_md_context_t md_ctx;
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2011-01-21 10:21:11 +00:00
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2015-04-08 10:49:31 +00:00
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mbedtls_md_init( &md_ctx );
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2011-01-21 10:21:11 +00:00
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if( argc == 1 )
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{
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const int *list;
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "print mode: generic_sum <mbedtls_md> <file> <file> ...\n" );
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mbedtls_printf( "check mode: generic_sum <mbedtls_md> -c <checksum file>\n" );
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2011-01-21 10:21:11 +00:00
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "\nAvailable message digests:\n" );
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list = mbedtls_md_list();
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2011-01-21 10:21:11 +00:00
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while( *list )
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{
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2015-04-08 10:49:31 +00:00
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md_info = mbedtls_md_info_from_type( *list );
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mbedtls_printf( " %s\n", mbedtls_md_get_name( md_info ) );
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2011-01-21 10:21:11 +00:00
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list++;
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}
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2011-11-18 14:26:47 +00:00
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#if defined(_WIN32)
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2015-04-08 10:49:31 +00:00
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mbedtls_printf( "\n Press Enter to exit this program.\n" );
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2011-01-21 10:21:11 +00:00
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fflush( stdout ); getchar();
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#endif
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2018-04-29 21:35:36 +00:00
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return( exit_code );
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2011-01-21 10:21:11 +00:00
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}
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/*
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* Read the MD from the command line
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*/
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2015-04-08 10:49:31 +00:00
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md_info = mbedtls_md_info_from_string( argv[1] );
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2011-01-21 10:21:11 +00:00
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if( md_info == NULL )
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_fprintf( stderr, "Message Digest '%s' not found\n", argv[1] );
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2018-04-29 21:35:36 +00:00
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return( exit_code );
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2011-01-21 10:21:11 +00:00
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}
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2015-04-08 10:49:31 +00:00
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if( mbedtls_md_setup( &md_ctx, md_info, 0 ) )
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2011-01-21 10:21:11 +00:00
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{
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2015-04-08 10:49:31 +00:00
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mbedtls_fprintf( stderr, "Failed to initialize context.\n" );
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2018-04-29 21:35:36 +00:00
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return( exit_code );
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2011-01-21 10:21:11 +00:00
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}
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ret = 0;
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if( argc == 4 && strcmp( "-c", argv[2] ) == 0 )
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{
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ret |= generic_check( md_info, argv[3] );
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goto exit;
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}
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for( i = 2; i < argc; i++ )
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ret |= generic_print( md_info, argv[i] );
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2018-04-29 21:35:36 +00:00
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if ( ret == 0 )
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exit_code = MBEDTLS_EXIT_SUCCESS;
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2011-01-21 10:21:11 +00:00
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exit:
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2015-04-08 10:49:31 +00:00
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mbedtls_md_free( &md_ctx );
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2011-01-21 10:21:11 +00:00
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2018-04-29 21:35:36 +00:00
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return( exit_code );
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2011-01-21 10:21:11 +00:00
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}
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2015-04-08 10:49:31 +00:00
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#endif /* MBEDTLS_MD_C && MBEDTLS_FS_IO */
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