verification_handle.c
No OneTemporary
Actions

Size

90 KB

Referenced Files

None

Subscribers

None

verification_handle.c
View Options

	/*
	* Verification handle
	*
	* Copyright (c) 2006-2012, Joachim Metz <jbmetz@users.sourceforge.net>
	*
	* Refer to AUTHORS for acknowledgements.
	*
	* This software is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Lesser General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* This software 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 Lesser General Public License
	* along with this software. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include <common.h>
	#include <memory.h>
	#include <types.h>

	#include <libcstring.h>
	#include <liberror.h>

	#include <libsystem.h>

	#include "byte_size_string.h"
	#include "digest_hash.h"
	#include "ewfcommon.h"
	#include "ewfinput.h"
	#include "ewftools_libewf.h"
	#include "ewftools_libhmac.h"
	#include "log_handle.h"
	#include "process_status.h"
	#include "storage_media_buffer.h"
	#include "verification_handle.h"

	#define VERIFICATION_HANDLE_VALUE_SIZE 64
	#define VERIFICATION_HANDLE_VALUE_IDENTIFIER_SIZE 32
	#define VERIFICATION_HANDLE_NOTIFY_STREAM stdout

	/* Initializes the verification handle
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_initialize(
	verification_handle_t **verification_handle,
	uint8_t calculate_md5,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_initialize";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( *verification_handle != NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
	"%s: invalid verification handle value already set.",
	function );

	return( -1 );
	}
	*verification_handle = memory_allocate_structure(
	verification_handle_t );

	if( *verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create verification handle.",
	function );

	goto on_error;
	}
	if( memory_set(
	*verification_handle,
	0,
	sizeof( verification_handle_t ) ) == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_SET_FAILED,
	"%s: unable to clear verification handle.",
	function );

	memory_free(
	*verification_handle );

	*verification_handle = NULL;

	return( -1 );
	}
	if( libewf_handle_initialize(
	&( ( *verification_handle )->input_handle ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize input handle.",
	function );

	goto on_error;
	}
	#ifdef TODO
	/* TODO: have application determine limit value and set to value - 4 */
	if( libewf_handle_set_maximum_number_of_open_handles(
	( *verification_handle )->input_handle,
	1000,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set maximum number of open handles.",
	function );

	goto on_error;
	}
	#endif
	if( calculate_md5 != 0 )
	{
	( *verification_handle )->calculated_md5_hash_string = libcstring_system_string_allocate(
	33 );

	if( ( *verification_handle )->calculated_md5_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create calculated MD5 digest hash string.",
	function );

	goto on_error;
	}
	}
	( *verification_handle )->stored_md5_hash_string = libcstring_system_string_allocate(
	33 );

	if( ( *verification_handle )->stored_md5_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create stored MD5 digest hash string.",
	function );

	goto on_error;
	}
	( *verification_handle )->stored_sha1_hash_string = libcstring_system_string_allocate(
	41 );

	if( ( *verification_handle )->stored_sha1_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create stored SHA1 digest hash string.",
	function );

	goto on_error;
	}
	( *verification_handle )->stored_sha256_hash_string = libcstring_system_string_allocate(
	65 );

	if( ( *verification_handle )->stored_sha256_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create stored SHA256 digest hash string.",
	function );

	goto on_error;
	}
	( *verification_handle )->input_format = VERIFICATION_HANDLE_INPUT_FORMAT_RAW;
	( *verification_handle )->calculate_md5 = calculate_md5;
	( *verification_handle )->header_codepage = LIBEWF_CODEPAGE_ASCII;
	( *verification_handle )->process_buffer_size = EWFCOMMON_PROCESS_BUFFER_SIZE;
	( *verification_handle )->notify_stream = VERIFICATION_HANDLE_NOTIFY_STREAM;

	return( 1 );

	on_error:
	if( *verification_handle != NULL )
	{
	if( ( *verification_handle )->stored_sha1_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->stored_sha1_hash_string );
	}
	if( ( *verification_handle )->calculated_sha1_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->calculated_sha1_hash_string );
	}
	if( ( *verification_handle )->stored_md5_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->stored_md5_hash_string );
	}
	if( ( *verification_handle )->calculated_md5_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->calculated_md5_hash_string );
	}
	if( ( *verification_handle )->input_handle != NULL )
	{
	libewf_handle_free(
	&( ( *verification_handle )->input_handle ),
	NULL );
	}
	memory_free(
	*verification_handle );

	*verification_handle = NULL;
	}
	return( -1 );
	}

	/* Frees the verification handle and its elements
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_free(
	verification_handle_t **verification_handle,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_free";
	int result = 1;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( *verification_handle != NULL )
	{
	if( ( ( *verification_handle )->input_handle != NULL )
	&& ( libewf_handle_free(
	&( ( *verification_handle )->input_handle ),
	error ) != 1 ) )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free input handle.",
	function );

	result = -1;
	}
	if( ( *verification_handle )->md5_context != NULL )
	{
	if( libhmac_md5_free(
	&( ( *verification_handle )->md5_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free MD5 context.",
	function );

	result = -1;
	}
	}
	if( ( *verification_handle )->calculated_md5_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->calculated_md5_hash_string );
	}
	if( ( *verification_handle )->stored_md5_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->stored_md5_hash_string );
	}
	if( ( *verification_handle )->sha1_context != NULL )
	{
	if( libhmac_sha1_free(
	&( ( *verification_handle )->sha1_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free SHA1 context.",
	function );

	result = -1;
	}
	}
	if( ( *verification_handle )->calculated_sha1_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->calculated_sha1_hash_string );
	}
	if( ( *verification_handle )->stored_sha1_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->stored_sha1_hash_string );
	}
	if( ( *verification_handle )->sha256_context != NULL )
	{
	if( libhmac_sha256_free(
	&( ( *verification_handle )->sha256_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free SHA256 context.",
	function );

	result = -1;
	}
	}
	if( ( *verification_handle )->calculated_sha256_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->calculated_sha256_hash_string );
	}
	if( ( *verification_handle )->stored_sha256_hash_string != NULL )
	{
	memory_free(
	( *verification_handle )->stored_sha256_hash_string );
	}
	memory_free(
	*verification_handle );

	*verification_handle = NULL;
	}
	return( result );
	}

	/* Signals the verification handle to abort
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_signal_abort(
	verification_handle_t *verification_handle,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_signal_abort";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->input_handle != NULL )
	{
	if( libewf_handle_signal_abort(
	verification_handle->input_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to signal input handle to abort.",
	function );

	return( -1 );
	}
	}
	verification_handle->abort = 1;

	return( 1 );
	}

	/* Opens the input of the verification handle
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_open_input(
	verification_handle_t *verification_handle,
	libcstring_system_character_t * const * filenames,
	int number_of_filenames,
	liberror_error_t **error )
	{
	libcstring_system_character_t **libewf_filenames = NULL;
	static char *function = "verification_handle_open_input";
	size_t first_filename_length = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( filenames == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid filenames.",
	function );

	return( -1 );
	}
	if( number_of_filenames <= 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS,
	"%s: invalid number of filenames.",
	function );

	return( -1 );
	}
	if( number_of_filenames == 1 )
	{
	first_filename_length = libcstring_system_string_length(
	filenames[ 0 ] );

	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_glob_wide(
	filenames[ 0 ],
	first_filename_length,
	LIBEWF_FORMAT_UNKNOWN,
	&libewf_filenames,
	&number_of_filenames,
	error ) != 1 )
	#else
	if( libewf_glob(
	filenames[ 0 ],
	first_filename_length,
	LIBEWF_FORMAT_UNKNOWN,
	&libewf_filenames,
	&number_of_filenames,
	error ) != 1 )
	#endif
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to resolve filename(s).",
	function );

	goto on_error;
	}
	filenames = (libcstring_system_character_t * const *) libewf_filenames;
	}
	if( verification_handle->header_codepage != LIBEWF_CODEPAGE_ASCII )
	{
	if( libewf_handle_set_header_codepage(
	verification_handle->input_handle,
	verification_handle->header_codepage,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set header codepage.",
	function );

	goto on_error;
	}
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	verification_handle->input_handle,
	filenames,
	number_of_filenames,
	LIBEWF_OPEN_READ,
	error ) != 1 )
	#else
	if( libewf_handle_open(
	verification_handle->input_handle,
	filenames,
	number_of_filenames,
	LIBEWF_OPEN_READ,
	error ) != 1 )
	#endif
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_OPEN_FAILED,
	"%s: unable to open files.",
	function );

	goto on_error;
	}
	if( libewf_filenames != NULL )
	{
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_glob_wide_free(
	libewf_filenames,
	number_of_filenames,
	error ) != 1 )
	#else
	if( libewf_glob_free(
	libewf_filenames,
	number_of_filenames,
	error ) != 1 )
	#endif
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free globbed filenames.",
	function );

	return( -1 );
	}
	libewf_filenames = NULL;
	}
	if( libewf_handle_get_chunk_size(
	verification_handle->input_handle,
	&( verification_handle->chunk_size ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve chunk size.",
	function );

	goto on_error;
	}
	if( libewf_handle_get_bytes_per_sector(
	verification_handle->input_handle,
	&( verification_handle->bytes_per_sector ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve bytes per sector.",
	function );

	goto on_error;
	}
	return( 1 );

	on_error:
	if( libewf_filenames != NULL )
	{
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	libewf_glob_wide_free(
	libewf_filenames,
	number_of_filenames,
	NULL );
	#else
	libewf_glob_free(
	libewf_filenames,
	number_of_filenames,
	NULL );
	#endif
	libewf_filenames = NULL;
	}
	return( -1 );
	}

	/* Closes the verification handle
	* Returns the 0 if succesful or -1 on error
	*/
	int verification_handle_close(
	verification_handle_t *verification_handle,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_close";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( libewf_handle_close(
	verification_handle->input_handle,
	error ) != 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_CLOSE_FAILED,
	"%s: unable to close input handle.",
	function );

	return( -1 );
	}
	return( 0 );
	}

	/* Prepares a buffer after reading the input of the verification handle
	* Returns the resulting buffer size or -1 on error
	*/
	ssize_t verification_handle_prepare_read_buffer(
	verification_handle_t *verification_handle,
	storage_media_buffer_t *storage_media_buffer,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_prepare_read_buffer";
	ssize_t process_count = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( storage_media_buffer == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid storage media buffer.",
	function );

	return( -1 );
	}
	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )
	storage_media_buffer->raw_buffer_data_size = storage_media_buffer->raw_buffer_size;

	process_count = libewf_handle_prepare_read_chunk(
	verification_handle->input_handle,
	storage_media_buffer->compression_buffer,
	storage_media_buffer->compression_buffer_data_size,
	storage_media_buffer->raw_buffer,
	&( storage_media_buffer->raw_buffer_data_size ),
	storage_media_buffer->is_compressed,
	storage_media_buffer->checksum,
	storage_media_buffer->process_checksum,
	error );

	if( process_count == -1 )
	{
	liberror_error_free(
	error );

	/* Wipe the chunk if nescessary
	*/
	if( verification_handle->zero_chunk_on_error != 0 )
	{
	if( ( storage_media_buffer->is_compressed != 0 )
	&& ( memory_set(
	storage_media_buffer->raw_buffer,
	0,
	storage_media_buffer->raw_buffer_size ) == NULL ) )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_SET_FAILED,
	"%s: unable to zero raw buffer.",
	function );

	return( -1 );
	}
	if( memory_set(
	storage_media_buffer->compression_buffer,
	0,
	storage_media_buffer->compression_buffer_size ) == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_SET_FAILED,
	"%s: unable to zero compression buffer.",
	function );

	return( -1 );
	}
	}
	process_count = verification_handle->chunk_size;

	/* Append a read error
	*/
	if( verification_handle_append_read_error(
	verification_handle,
	verification_handle->last_offset_read,
	process_count,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_APPEND_FAILED,
	"%s: unable to append read error.",
	function );

	return( -1 );
	}
	}
	if( storage_media_buffer->is_compressed == 0 )
	{
	storage_media_buffer->data_in_compression_buffer = 1;
	}
	else
	{
	storage_media_buffer->data_in_compression_buffer = 0;
	}
	#else
	process_count = (ssize_t) storage_media_buffer->raw_buffer_data_size;
	#endif
	verification_handle->last_offset_read += process_count;

	return( process_count );
	}

	/* Reads a buffer from the input of the verification handle
	* Returns the number of bytes written or -1 on error
	*/
	ssize_t verification_handle_read_buffer(
	verification_handle_t *verification_handle,
	storage_media_buffer_t *storage_media_buffer,
	size_t read_size,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_read_buffer";
	ssize_t read_count = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( storage_media_buffer == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid storage media buffer.",
	function );

	return( -1 );
	}
	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )
	read_count = libewf_handle_read_chunk(
	verification_handle->input_handle,
	storage_media_buffer->compression_buffer,
	storage_media_buffer->compression_buffer_size,
	&( storage_media_buffer->is_compressed ),
	&( storage_media_buffer->compression_buffer[ storage_media_buffer->raw_buffer_size ] ),
	&( storage_media_buffer->checksum ),
	&( storage_media_buffer->process_checksum ),
	error );
	#else
	read_count = libewf_handle_read_buffer(
	verification_handle->input_handle,
	storage_media_buffer->raw_buffer,
	read_size,
	error );
	#endif

	if( read_count == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unable to read storage media buffer.",
	function );

	return( -1 );
	}
	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )
	storage_media_buffer->compression_buffer_data_size = (size_t) read_count;
	#else
	storage_media_buffer->raw_buffer_data_size = (size_t) read_count;
	#endif

	return( read_count );
	}

	/* Initializes the integrity hash(es)
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_initialize_integrity_hash(
	verification_handle_t *verification_handle,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_initialize_integrity_hash";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->calculate_md5 != 0 )
	{
	if( libhmac_md5_initialize(
	&( verification_handle->md5_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize MD5 context.",
	function );

	goto on_error;
	}
	verification_handle->md5_context_initialized = 1;
	}
	if( verification_handle->calculate_sha1 != 0 )
	{
	if( libhmac_sha1_initialize(
	&( verification_handle->sha1_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize SHA1 context.",
	function );

	goto on_error;
	}
	verification_handle->sha1_context_initialized = 1;
	}
	if( verification_handle->calculate_sha256 != 0 )
	{
	if( libhmac_sha256_initialize(
	&( verification_handle->sha256_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize SHA256 context.",
	function );

	goto on_error;
	}
	verification_handle->sha256_context_initialized = 1;
	}
	return( 1 );

	on_error:
	if( verification_handle->sha1_context != NULL )
	{
	libhmac_sha1_free(
	&( verification_handle->sha1_context ),
	NULL );
	}
	if( verification_handle->md5_context != NULL )
	{
	libhmac_md5_free(
	&( verification_handle->md5_context ),
	NULL );
	}
	return( -1 );
	}

	/* Updates the integrity hash(es)
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_update_integrity_hash(
	verification_handle_t *verification_handle,
	uint8_t *buffer,
	size_t buffer_size,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_update_integrity_hash";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( buffer == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid buffer.",
	function );

	return( -1 );
	}
	if( ( buffer_size == 0 )
	\|\| ( buffer_size > (size_t) SSIZE_MAX ) )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
	"%s: invalid buffer size value out of bounds.",
	function );

	return( -1 );
	}
	if( verification_handle->calculate_md5 != 0 )
	{
	if( libhmac_md5_update(
	verification_handle->md5_context,
	buffer,
	buffer_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to update MD5 digest hash.",
	function );

	return( -1 );
	}
	}
	if( verification_handle->calculate_sha1 != 0 )
	{
	if( libhmac_sha1_update(
	verification_handle->sha1_context,
	buffer,
	buffer_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to update SHA1 digest hash.",
	function );

	return( -1 );
	}
	}
	if( verification_handle->calculate_sha256 != 0 )
	{
	if( libhmac_sha256_update(
	verification_handle->sha256_context,
	buffer,
	buffer_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to update SHA256 digest hash.",
	function );

	return( -1 );
	}
	}
	return( 1 );
	}

	/* Finalizes the integrity hash(es)
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_finalize_integrity_hash(
	verification_handle_t *verification_handle,
	liberror_error_t **error )
	{
	uint8_t calculated_md5_hash[ LIBHMAC_MD5_HASH_SIZE ];
	uint8_t calculated_sha1_hash[ LIBHMAC_SHA1_HASH_SIZE ];
	uint8_t calculated_sha256_hash[ LIBHMAC_SHA256_HASH_SIZE ];

	static char *function = "verification_handle_finalize_integrity_hash";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->calculate_md5 != 0 )
	{
	if( verification_handle->calculated_md5_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing calculated MD5 hash string.",
	function );

	return( -1 );
	}
	if( libhmac_md5_finalize(
	verification_handle->md5_context,
	calculated_md5_hash,
	LIBHMAC_MD5_HASH_SIZE,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to finalize MD5 hash.",
	function );

	return( -1 );
	}
	if( libhmac_md5_free(
	&( verification_handle->md5_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free MD5 context.",
	function );

	return( -1 );
	}
	if( digest_hash_copy_to_string(
	calculated_md5_hash,
	LIBHMAC_MD5_HASH_SIZE,
	verification_handle->calculated_md5_hash_string,
	33,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBEWF_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set calculated MD5 hash string.",
	function );

	return( -1 );
	}
	}
	if( verification_handle->calculate_sha1 != 0 )
	{
	if( verification_handle->calculated_sha1_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing calculated SHA1 hash string.",
	function );

	return( -1 );
	}
	if( libhmac_sha1_finalize(
	verification_handle->sha1_context,
	calculated_sha1_hash,
	LIBHMAC_SHA1_HASH_SIZE,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to finalize SHA1 hash.",
	function );

	return( -1 );
	}
	if( libhmac_sha1_free(
	&( verification_handle->sha1_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free SHA1 context.",
	function );

	return( -1 );
	}
	if( digest_hash_copy_to_string(
	calculated_sha1_hash,
	LIBHMAC_SHA1_HASH_SIZE,
	verification_handle->calculated_sha1_hash_string,
	41,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create calculated SHA1 hash string.",
	function );

	return( -1 );
	}
	}
	if( verification_handle->calculate_sha256 != 0 )
	{
	if( verification_handle->calculated_sha256_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing calculated SHA256 hash string.",
	function );

	return( -1 );
	}
	if( libhmac_sha256_finalize(
	verification_handle->sha256_context,
	calculated_sha256_hash,
	LIBHMAC_SHA256_HASH_SIZE,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to finalize SHA256 hash.",
	function );

	return( -1 );
	}
	if( libhmac_sha256_free(
	&( verification_handle->sha256_context ),
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free SHA256 context.",
	function );

	return( -1 );
	}
	if( digest_hash_copy_to_string(
	calculated_sha256_hash,
	LIBHMAC_SHA256_HASH_SIZE,
	verification_handle->calculated_sha256_hash_string,
	65,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create calculated SHA256 hash string.",
	function );

	return( -1 );
	}
	}
	return( 1 );
	}

	/* Verifies the input
	* Returns 1 if successful, 0 if not or -1 on error
	*/
	int verification_handle_verify_input(
	verification_handle_t *verification_handle,
	uint8_t print_status_information,
	log_handle_t *log_handle,
	liberror_error_t **error )
	{
	process_status_t *process_status = NULL;
	storage_media_buffer_t *storage_media_buffer = NULL;
	uint8_t *data = NULL;
	static char *function = "verification_handle_verify_input";
	size64_t media_size = 0;
	size64_t verify_count = 0;
	size_t data_size = 0;
	size_t process_buffer_size = 0;
	size_t read_size = 0;
	ssize_t process_count = 0;
	ssize_t read_count = 0;
	uint32_t number_of_checksum_errors = 0;
	int is_corrupted = 0;
	int md5_hash_compare = 0;
	int sha1_hash_compare = 0;
	int sha256_hash_compare = 0;
	int status = PROCESS_STATUS_COMPLETED;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->chunk_size == 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: missing chunk size.",
	function );

	return( -1 );
	}
	if( verification_handle->chunk_size > (size32_t) INT32_MAX )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
	"%s: invalid chunk size value exceeds maximum.",
	function );

	return( -1 );
	}
	#if !defined( HAVE_LOW_LEVEL_FUNCTIONS )
	if( verification_handle->process_buffer_size > (size_t) SSIZE_MAX )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
	"%s: invalid process buffer size value exceeds maximum.",
	function );

	return( -1 );
	}
	#endif
	if( libewf_handle_get_media_size(
	verification_handle->input_handle,
	&media_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve media size.",
	function );

	goto on_error;
	}
	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )
	process_buffer_size = verification_handle->chunk_size;
	#else
	if( verification_handle->process_buffer_size == 0 )
	{
	process_buffer_size = verification_handle->chunk_size;
	}
	else
	{
	process_buffer_size = verification_handle->process_buffer_size;
	}
	#endif
	if( storage_media_buffer_initialize(
	&storage_media_buffer,
	process_buffer_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create storage media buffer.",
	function );

	goto on_error;
	}
	if( verification_handle_initialize_integrity_hash(
	verification_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize integrity hash(es).",
	function );

	goto on_error;
	}
	if( process_status_initialize(
	&process_status,
	_LIBCSTRING_SYSTEM_STRING( "Verify" ),
	_LIBCSTRING_SYSTEM_STRING( "verified" ),
	_LIBCSTRING_SYSTEM_STRING( "Read" ),
	verification_handle->notify_stream,
	print_status_information,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create process status.",
	function );

	goto on_error;
	}
	if( process_status_start(
	process_status,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to start process status.",
	function );

	goto on_error;
	}
	while( verify_count < media_size )
	{
	read_size = process_buffer_size;

	if( ( media_size - verify_count ) < read_size )
	{
	read_size = (size_t) ( media_size - verify_count );
	}
	read_count = verification_handle_read_buffer(
	verification_handle,
	storage_media_buffer,
	read_size,
	error );

	if( read_count < 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unable to read data.",
	function );

	goto on_error;
	}
	if( read_count == 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unexpected end of data.",
	function );

	goto on_error;
	}
	process_count = verification_handle_prepare_read_buffer(
	verification_handle,
	storage_media_buffer,
	error );

	if( process_count < 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unable to prepare buffer after read.",
	function );

	goto on_error;
	}
	if( process_count > (ssize_t) read_size )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: more bytes read than requested.",
	function );

	goto on_error;
	}
	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )
	/* Set the chunk data size in the compression buffer
	*/
	if( storage_media_buffer->data_in_compression_buffer == 1 )
	{
	storage_media_buffer->compression_buffer_data_size = (ssize_t) process_count;
	}
	#endif
	verify_count += (size64_t) process_count;

	if( storage_media_buffer_get_data(
	storage_media_buffer,
	&data,
	&data_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine storage media buffer data.",
	function );

	goto on_error;
	}
	if( verification_handle_update_integrity_hash(
	verification_handle,
	data,
	process_count,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GENERIC,
	"%s: unable to update integrity hash(es).",
	function );

	goto on_error;
	}
	if( process_status_update(
	process_status,
	verify_count,
	media_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to update process status.",
	function );

	goto on_error;
	}
	if( verification_handle->abort != 0 )
	{
	break;
	}
	}
	if( storage_media_buffer_free(
	&storage_media_buffer,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free storage media buffer.",
	function );

	goto on_error;
	}
	if( verification_handle_finalize_integrity_hash(
	verification_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to finalize integrity hash(es).",
	function );

	goto on_error;
	}
	if( verification_handle_get_integrity_hash_from_input(
	verification_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to retrieve integrity hash(es) from input.",
	function );

	goto on_error;
	}
	if( verification_handle->abort != 0 )
	{
	status = PROCESS_STATUS_ABORTED;
	}
	if( process_status_stop(
	process_status,
	verify_count,
	status,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to stop process status.",
	function );

	goto on_error;
	}
	if( process_status_free(
	&process_status,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free process status.",
	function );

	goto on_error;
	}
	if( verification_handle->abort == 0 )
	{
	fprintf(
	verification_handle->notify_stream,
	"\n" );

	if( verification_handle_checksum_errors_fprint(
	verification_handle,
	verification_handle->notify_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print checksum errors.",
	function );

	goto on_error;
	}
	if( verification_handle_hash_values_fprint(
	verification_handle,
	verification_handle->notify_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print hash values.",
	function );

	goto on_error;
	}
	if( verification_handle_additional_hash_values_fprint(
	verification_handle,
	verification_handle->notify_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print additional hash values.",
	function );

	goto on_error;
	}
	fprintf(
	verification_handle->notify_stream,
	"\n" );

	if( log_handle != NULL )
	{
	if( verification_handle_checksum_errors_fprint(
	verification_handle,
	log_handle->log_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print checksum errors in log handle.",
	function );

	goto on_error;
	}
	if( verification_handle_hash_values_fprint(
	verification_handle,
	log_handle->log_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print hash values in log handle.",
	function );

	goto on_error;
	}
	if( verification_handle_additional_hash_values_fprint(
	verification_handle,
	log_handle->log_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print additional hash values in log handle.",
	function );

	goto on_error;
	}
	}
	}
	is_corrupted = libewf_handle_segment_files_corrupted(
	verification_handle->input_handle,
	error );

	if( is_corrupted == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine if segment files are corrupted.",
	function );

	return( -1 );
	}
	if( libewf_handle_get_number_of_checksum_errors(
	verification_handle->input_handle,
	&number_of_checksum_errors,
	error ) == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the number of checksum errors.",
	function );

	return( -1 );
	}
	if( ( verification_handle->calculate_md5 != 0 )
	&& ( verification_handle->stored_md5_hash_available != 0 ) )
	{
	md5_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_md5_hash_string,
	verification_handle->calculated_md5_hash_string,
	33 );
	}
	if( ( verification_handle->calculate_sha1 != 0 )
	&& ( verification_handle->stored_sha1_hash_available != 0 ) )
	{
	sha1_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_sha1_hash_string,
	verification_handle->calculated_sha1_hash_string,
	41 );
	}
	if( ( verification_handle->calculate_sha256 != 0 )
	&& ( verification_handle->stored_sha256_hash_available != 0 ) )
	{
	sha256_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_sha256_hash_string,
	verification_handle->calculated_sha256_hash_string,
	65 );
	}
	/* Note that a set of EWF files can be verified without an integrity hash
	*/
	if( ( is_corrupted == 0 )
	&& ( number_of_checksum_errors == 0 )
	&& ( md5_hash_compare == 0 )
	&& ( sha1_hash_compare == 0 )
	&& ( sha256_hash_compare == 0 ) )
	{
	return( 1 );
	}
	return( 0 );

	on_error:
	if( process_status != NULL )
	{
	process_status_stop(
	process_status,
	verify_count,
	PROCESS_STATUS_FAILED,
	NULL );
	process_status_free(
	&process_status,
	NULL );
	}
	if( storage_media_buffer != NULL )
	{
	storage_media_buffer_free(
	&storage_media_buffer,
	NULL );
	}
	return( -1 );
	}

	/* Verifies single files
	* Returns 1 if successful, 0 if not or -1 on error
	*/
	int verification_handle_verify_single_files(
	verification_handle_t *verification_handle,
	uint8_t print_status_information,
	log_handle_t *log_handle,
	liberror_error_t **error )
	{
	libewf_file_entry_t *file_entry = NULL;
	process_status_t *process_status = NULL;
	static char *function = "verification_handle_verify_single_files";
	uint32_t number_of_checksum_errors = 0;
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( libewf_handle_get_root_file_entry(
	verification_handle->input_handle,
	&file_entry,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve root file entry.",
	function );

	goto on_error;
	}
	if( process_status_initialize(
	&process_status,
	_LIBCSTRING_SYSTEM_STRING( "Verify" ),
	_LIBCSTRING_SYSTEM_STRING( "verified" ),
	_LIBCSTRING_SYSTEM_STRING( "Read" ),
	verification_handle->notify_stream,
	print_status_information,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create process status.",
	function );

	goto on_error;
	}
	if( process_status_start(
	process_status,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to start process status.",
	function );

	goto on_error;
	}
	result = verification_handle_verify_file_entry(
	verification_handle,
	file_entry,
	_LIBCSTRING_SYSTEM_STRING( "" ),
	0,
	log_handle,
	error );

	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GENERIC,
	"%s: unable to verify root file entry.",
	function );

	goto on_error;
	}
	if( process_status_stop(
	process_status,
	0,
	PROCESS_STATUS_COMPLETED,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to stop process status.",
	function );

	goto on_error;
	}
	if( process_status_free(
	&process_status,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free process status.",
	function );

	goto on_error;
	}
	if( libewf_file_entry_free(
	&file_entry,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free root file entry.",
	function );

	goto on_error;
	}
	if( libewf_handle_get_number_of_checksum_errors(
	verification_handle->input_handle,
	&number_of_checksum_errors,
	error ) == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the number of checksum errors.",
	function );

	return( -1 );
	}
	if( ( result != 0 )
	&& ( number_of_checksum_errors == 0 ) )
	{
	return( 1 );
	}
	return( 0 );

	on_error:
	if( process_status != NULL )
	{
	process_status_stop(
	process_status,
	0,
	PROCESS_STATUS_FAILED,
	NULL );
	process_status_free(
	&process_status,
	NULL );
	}
	if( file_entry != NULL )
	{
	libewf_file_entry_free(
	&file_entry,
	NULL );
	}
	return( -1 );
	}

	/* Verifies a (single) file entry
	* Returns 1 if successful, 0 if not or -1 on error
	*/
	int verification_handle_verify_file_entry(
	verification_handle_t *verification_handle,
	libewf_file_entry_t *file_entry,
	const libcstring_system_character_t *file_entry_path,
	size_t file_entry_path_length,
	log_handle_t *log_handle,
	liberror_error_t **error )
	{
	libcstring_system_character_t *name = NULL;
	libcstring_system_character_t *target_path = NULL;
	uint8_t *file_entry_data = NULL;
	static char *function = "verification_handle_verify_file_entry";
	size64_t file_entry_data_size = 0;
	size_t name_size = 0;
	size_t process_buffer_size = 0;
	size_t read_size = 0;
	size_t target_path_size = 0;
	ssize_t read_count = 0;
	uint8_t file_entry_type = 0;
	int md5_hash_compare = 0;
	int result = 0;
	int return_value = 0;
	int sha1_hash_compare = 0;
	int sha256_hash_compare = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->chunk_size == 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: missing chunk size.",
	function );

	return( -1 );
	}
	if( verification_handle->chunk_size > (size32_t) INT32_MAX )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
	"%s: invalid chunk size value exceeds maximum.",
	function );

	return( -1 );
	}
	if( verification_handle->process_buffer_size > (size_t) SSIZE_MAX )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
	"%s: invalid process buffer size value exceeds maximum.",
	function );

	return( -1 );
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_file_entry_get_utf16_name_size(
	file_entry,
	&name_size,
	error );
	#else
	result = libewf_file_entry_get_utf8_name_size(
	file_entry,
	&name_size,
	error );
	#endif
	if( result != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the name.",
	function );

	goto on_error;
	}
	if( name_size > 0 )
	{
	name = libcstring_system_string_allocate(
	name_size );

	if( name == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create name.",
	function );

	goto on_error;
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_file_entry_get_utf16_name(
	file_entry,
	(uint16_t *) name,
	name_size,
	error );
	#else
	result = libewf_file_entry_get_utf8_name(
	file_entry,
	(uint8_t *) name,
	name_size,
	error );
	#endif
	if( result != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the name.",
	function );

	memory_free(
	name );

	goto on_error;
	}
	if( libsystem_path_create(
	name,
	name_size - 1,
	file_entry_path,
	file_entry_path_length,
	&target_path,
	&target_path_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to create target path.",
	function );

	memory_free(
	name );

	goto on_error;
	}
	memory_free(
	name );
	}
	else
	{
	target_path = (libcstring_system_character_t *) file_entry_path;
	target_path_size = file_entry_path_length + 1;
	}
	if( libewf_file_entry_get_type(
	file_entry,
	&file_entry_type,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve file entry type.",
	function );

	goto on_error;
	}
	/* TODO what about NTFS streams ?
	*/
	if( file_entry_type == LIBEWF_FILE_ENTRY_TYPE_FILE )
	{
	fprintf(
	verification_handle->notify_stream,
	"Single file: %" PRIs_LIBCSTRING_SYSTEM "\n",
	target_path );

	if( log_handle != NULL )
	{
	log_handle_printf(
	log_handle,
	"Single file: %" PRIs_LIBCSTRING_SYSTEM "\n",
	target_path );
	}
	if( libewf_file_entry_get_size(
	file_entry,
	&file_entry_data_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve file entry data size.",
	function );

	goto on_error;
	}
	if( verification_handle_initialize_integrity_hash(
	verification_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to initialize integrity hash(es).",
	function );

	goto on_error;
	}
	result = 1;

	if( file_entry_data_size > 0 )
	{
	if( verification_handle->process_buffer_size == 0 )
	{
	process_buffer_size = verification_handle->chunk_size;
	}
	else
	{
	process_buffer_size = verification_handle->process_buffer_size;
	}
	/* This function in not necessary for normal use
	* but it was added for testing
	*/
	if( libewf_file_entry_seek_offset(
	file_entry,
	0,
	SEEK_SET,
	error ) != 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unable to seek the start of the file entry data.",
	function );

	goto on_error;
	}
	file_entry_data = (uint8_t *) memory_allocate(
	sizeof( uint8_t ) * process_buffer_size );

	if( file_entry_data == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create file entry data.",
	function );

	goto on_error;
	}
	while( file_entry_data_size > 0 )
	{
	if( file_entry_data_size >= process_buffer_size )
	{
	read_size = process_buffer_size;
	}
	else
	{
	read_size = (size_t) file_entry_data_size;
	}
	read_count = libewf_file_entry_read_buffer(
	file_entry,
	file_entry_data,
	read_size,
	error );

	if( read_count == (ssize_t) -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_READ_FAILED,
	"%s: unable to read file entry data.",
	function );

	goto on_error;
	}
	else if( read_count != (ssize_t) read_size )
	{
	result = 0;

	break;
	}
	file_entry_data_size -= read_size;

	if( verification_handle_update_integrity_hash(
	verification_handle,
	file_entry_data,
	read_count,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GENERIC,
	"%s: unable to update integrity hash(es).",
	function );

	goto on_error;
	}
	}
	memory_free(
	file_entry_data );

	file_entry_data = NULL;
	}
	if( verification_handle_finalize_integrity_hash(
	verification_handle,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to finalize integrity hash(es).",
	function );

	goto on_error;
	}
	if( result != 0 )
	{
	if( verification_handle_get_integrity_hash_from_file_entry(
	verification_handle,
	file_entry,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to retrieve integrity hash(es) from file entry.",
	function );

	goto on_error;
	}
	if( verification_handle_hash_values_fprint(
	verification_handle,
	verification_handle->notify_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print hash values.",
	function );

	goto on_error;
	}
	if( log_handle != NULL )
	{
	if( verification_handle_hash_values_fprint(
	verification_handle,
	log_handle->log_stream,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_PRINT_FAILED,
	"%s: unable to print hash values in log handle.",
	function );

	goto on_error;
	}
	}
	if( ( verification_handle->calculate_md5 != 0 )
	&& ( verification_handle->stored_md5_hash_available != 0 ) )
	{
	md5_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_md5_hash_string,
	verification_handle->calculated_md5_hash_string,
	33 );
	}
	if( ( verification_handle->calculate_sha1 != 0 )
	&& ( verification_handle->stored_sha1_hash_available != 0 ) )
	{
	sha1_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_sha1_hash_string,
	verification_handle->calculated_sha1_hash_string,
	41 );
	}
	if( ( verification_handle->calculate_sha256 != 0 )
	&& ( verification_handle->stored_sha256_hash_available != 0 ) )
	{
	sha256_hash_compare = libcstring_system_string_compare(
	verification_handle->stored_sha256_hash_string,
	verification_handle->calculated_sha256_hash_string,
	65 );
	}
	}
	if( ( result != 0 )
	&& ( md5_hash_compare == 0 )
	&& ( sha1_hash_compare == 0 )
	&& ( sha256_hash_compare == 0 ) )
	{
	return_value = 1;
	}
	else
	{
	fprintf(
	verification_handle->notify_stream,
	"FAILED\n" );

	if( log_handle != NULL )
	{
	log_handle_printf(
	log_handle,
	"FAILED\n" );
	}
	return_value = 0;
	}
	fprintf(
	verification_handle->notify_stream,
	"\n" );
	}
	else if( file_entry_type == LIBEWF_FILE_ENTRY_TYPE_DIRECTORY )
	{
	return_value = verification_handle_verify_sub_file_entries(
	verification_handle,
	file_entry,
	target_path,
	target_path_size - 1,
	log_handle,
	error );

	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GENERIC,
	"%s: unable to verify sub file entries.",
	function );

	return( -1 );
	}
	}
	if( target_path != file_entry_path )
	{
	memory_free(
	target_path );
	}
	return( return_value );

	on_error:
	if( file_entry_data != NULL )
	{
	memory_free(
	file_entry_data );
	}
	if( ( target_path != NULL )
	&& ( target_path != file_entry_path ) )
	{
	memory_free(
	target_path );
	}
	return( -1 );
	}

	/* Verifies a (single) file entry sub file entries
	* Returns 1 if successful, 0 if not or -1 on error
	*/
	int verification_handle_verify_sub_file_entries(
	verification_handle_t *verification_handle,
	libewf_file_entry_t *file_entry,
	const libcstring_system_character_t *file_entry_path,
	size_t file_entry_path_length,
	log_handle_t *log_handle,
	liberror_error_t **error )
	{
	libewf_file_entry_t *sub_file_entry = NULL;
	static char *function = "verification_handle_verify_sub_file_entries";
	int number_of_sub_file_entries = 0;
	int result = 1;
	int sub_file_entry_index = 0;
	int sub_file_entry_result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( libewf_file_entry_get_number_of_sub_file_entries(
	file_entry,
	&number_of_sub_file_entries,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve number of sub file entries.",
	function );

	return( -1 );
	}
	for( sub_file_entry_index = 0;
	sub_file_entry_index < number_of_sub_file_entries;
	sub_file_entry_index++ )
	{
	if( libewf_file_entry_get_sub_file_entry(
	file_entry,
	sub_file_entry_index,
	&sub_file_entry,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to free retrieve sub file entry: %d.",
	function,
	sub_file_entry_index );

	goto on_error;
	}
	sub_file_entry_result = verification_handle_verify_file_entry(
	verification_handle,
	sub_file_entry,
	file_entry_path,
	file_entry_path_length,
	log_handle,
	error );

	if( sub_file_entry_result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GENERIC,
	"%s: unable to verification sub file entry: %d.",
	function,
	sub_file_entry_index );

	goto on_error;
	}
	if( sub_file_entry_result == 0 )
	{
	result = 0;
	}
	if( libewf_file_entry_free(
	&sub_file_entry,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free sub file entry: %d.",
	function,
	sub_file_entry_index );

	goto on_error;
	}
	}
	return( result );

	on_error:
	if( sub_file_entry != NULL )
	{
	libewf_file_entry_free(
	&sub_file_entry,
	NULL );
	}
	return( -1 );
	}

	/* Retrieves the integrity hash(es) from the input
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_get_integrity_hash_from_input(
	verification_handle_t *verification_handle,
	liberror_error_t **error )
	{
	#if defined( USE_LIBEWF_GET_MD5_HASH )
	uint8_t stored_md5_hash[ DIGEST_HASH_SIZE_MD5 ];
	#endif

	static char *function = "verification_handle_get_integrity_hash_from_input";
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->stored_md5_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing stored MD5 hash string.",
	function );

	return( -1 );
	}
	if( verification_handle->stored_sha1_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing stored SHA1 hash string.",
	function );

	return( -1 );
	}
	if( verification_handle->stored_sha256_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing stored SHA256 hash string.",
	function );

	return( -1 );
	}
	#if defined( USE_LIBEWF_GET_MD5_HASH )
	result = libewf_handle_get_md5_hash(
	verification_handle->input_handle,
	md5_hash,
	DIGEST_HASH_SIZE_MD5,
	error );

	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine stored MD5 hash string.",
	function );

	return( -1 );
	}
	verification_handle->stored_md5_hash_available = result;

	if( digest_hash_copy_to_string(
	md5_hash,
	DIGEST_HASH_SIZE_MD5,
	verification_handle->stored_md5_hash_string,
	33 ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBEWF_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set stored MD5 hash string.",
	function );

	return( -1 );
	}
	#else
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_handle_get_utf16_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "MD5",
	3,
	(uint16_t *) verification_handle->stored_md5_hash_string,
	33,
	error );
	#else
	result = libewf_handle_get_utf8_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "MD5",
	3,
	(uint8_t *) verification_handle->stored_md5_hash_string,
	33,
	error );
	#endif
	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine stored MD5 hash string.",
	function );

	return( -1 );
	}
	verification_handle->stored_md5_hash_available = result;
	#endif
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_handle_get_utf16_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "SHA1",
	4,
	(uint16_t *) verification_handle->stored_sha1_hash_string,
	41,
	error );
	#else
	result = libewf_handle_get_utf8_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "SHA1",
	4,
	(uint8_t *) verification_handle->stored_sha1_hash_string,
	41,
	error );
	#endif
	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine stored SHA1 hash string.",
	function );

	return( -1 );
	}
	verification_handle->stored_sha1_hash_available = result;

	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_handle_get_utf16_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "SHA256",
	6,
	(uint16_t *) verification_handle->stored_sha256_hash_string,
	65,
	error );
	#else
	result = libewf_handle_get_utf8_hash_value(
	verification_handle->input_handle,
	(uint8_t *) "SHA256",
	6,
	(uint8_t *) verification_handle->stored_sha256_hash_string,
	65,
	error );
	#endif
	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine stored SHA256 hash string.",
	function );

	return( -1 );
	}
	verification_handle->stored_sha256_hash_available = result;

	return( 1 );
	}

	/* Retrieves the integrity hash(es) from a (single) file entry
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_get_integrity_hash_from_file_entry(
	verification_handle_t *verification_handle,
	libewf_file_entry_t *file_entry,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_get_integrity_hash_from_file_entry";
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->stored_md5_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: invalid verification handle - missing stored MD5 hash string.",
	function );

	return( -1 );
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_file_entry_get_utf16_hash_value_md5(
	file_entry,
	(uint16_t *) verification_handle->stored_md5_hash_string,
	33,
	error );
	#else
	result = libewf_file_entry_get_utf8_hash_value_md5(
	file_entry,
	(uint8_t *) verification_handle->stored_md5_hash_string,
	33,
	error );
	#endif
	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine stored MD5 hash string.",
	function );

	return( -1 );
	}
	verification_handle->stored_md5_hash_available = result;

	verification_handle->stored_sha1_hash_available = 0;

	verification_handle->stored_sha256_hash_available = 0;

	return( 1 );
	}

	/* Sets the header codepage
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_set_header_codepage(
	verification_handle_t *verification_handle,
	const libcstring_system_character_t *string,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_set_header_codepage";
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	result = ewfinput_determine_header_codepage(
	string,
	&( verification_handle->header_codepage ),
	error );

	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine header codepage.",
	function );

	return( -1 );
	}
	else if( result != 0 )
	{
	if( verification_handle->input_handle != NULL )
	{
	if( libewf_handle_set_header_codepage(
	verification_handle->input_handle,
	verification_handle->header_codepage,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set header codepage.",
	function );

	return( -1 );
	}
	}
	}
	return( result );
	}

	/* Sets the format
	* Returns 1 if successful, 0 if unsupported value or -1 on error
	*/
	int verification_handle_set_format(
	verification_handle_t *verification_handle,
	const libcstring_system_character_t *string,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_set_format";
	size_t string_length = 0;
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	string_length = libcstring_system_string_length(
	string );

	if( string_length == 3 )
	{
	if( libcstring_system_string_compare(
	string,
	_LIBCSTRING_SYSTEM_STRING( "raw" ),
	3 ) == 0 )
	{
	verification_handle->input_format = VERIFICATION_HANDLE_INPUT_FORMAT_RAW;
	result = 1;
	}
	}
	else if( string_length == 5 )
	{
	if( libcstring_system_string_compare(
	string,
	_LIBCSTRING_SYSTEM_STRING( "files" ),
	5 ) == 0 )
	{
	verification_handle->input_format = VERIFICATION_HANDLE_INPUT_FORMAT_FILES;
	result = 1;
	}
	}
	return( result );
	}

	/* Sets the process buffer size
	* Returns 1 if successful, 0 if unsupported value or -1 on error
	*/
	int verification_handle_set_process_buffer_size(
	verification_handle_t *verification_handle,
	const libcstring_system_character_t *string,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_set_process_buffer_size";
	size_t string_length = 0;
	uint64_t size_variable = 0;
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	string_length = libcstring_system_string_length(
	string );

	result = byte_size_string_convert(
	string,
	string_length,
	&size_variable,
	error );

	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to determine process buffer size.",
	function );

	return( -1 );
	}
	else if( result != 0 )
	{
	if( size_variable > (uint64_t) SSIZE_MAX )
	{
	result = 0;
	}
	else
	{
	verification_handle->process_buffer_size = (size_t) size_variable;
	}
	}
	return( result );
	}

	/* Sets the additional digest types
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_set_additional_digest_types(
	verification_handle_t *verification_handle,
	const libcstring_system_character_t *string,
	liberror_error_t **error )
	{
	libcstring_system_character_t *string_segment = NULL;
	libsystem_split_string_t *string_elements = NULL;
	static char *function = "verification_handle_set_additional_digest_types";
	size_t string_length = 0;
	size_t string_segment_size = 0;
	uint8_t calculate_sha1 = 0;
	uint8_t calculate_sha256 = 0;
	int number_of_segments = 0;
	int segment_index = 0;
	int result = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	string_length = libcstring_system_string_length(
	string );

	if( libsystem_string_split(
	string,
	string_length + 1,
	(libcstring_system_character_t) ',',
	&string_elements,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
	"%s: unable to split string.",
	function );

	goto on_error;
	}
	if( libsystem_split_string_get_number_of_segments(
	string_elements,
	&number_of_segments,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve number of segments.",
	function );

	return( -1 );
	}
	for( segment_index = 0;
	segment_index < number_of_segments;
	segment_index++ )
	{
	if( libsystem_split_string_get_segment_by_index(
	string_elements,
	segment_index,
	&string_segment,
	&string_segment_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve string segment: %d.",
	function,
	segment_index );

	goto on_error;
	}
	if( string_segment == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: missing string segment: %d.",
	function,
	segment_index );

	return( -1 );
	}
	if( string_segment_size == 5 )
	{
	if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha1" ),
	4 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA1" ),
	4 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	}
	else if( string_segment_size == 6 )
	{
	if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha-1" ),
	5 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha_1" ),
	5 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA-1" ),
	5 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA_1" ),
	5 ) == 0 )
	{
	calculate_sha1 = 1;
	}
	}
	else if( string_segment_size == 7 )
	{
	if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha256" ),
	6 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA256" ),
	6 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	}
	else if( string_segment_size == 8 )
	{
	if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha-256" ),
	7 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "sha_256" ),
	7 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA-256" ),
	7 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	else if( libcstring_system_string_compare(
	string_segment,
	_LIBCSTRING_SYSTEM_STRING( "SHA_256" ),
	7 ) == 0 )
	{
	calculate_sha256 = 1;
	}
	}
	}
	if( ( calculate_sha1 != 0 )
	&& ( verification_handle->calculate_sha1 == 0 ) )
	{
	verification_handle->calculated_sha1_hash_string = libcstring_system_string_allocate(
	41 );

	if( verification_handle->calculated_sha1_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create calculated SHA1 digest hash string.",
	function );

	goto on_error;
	}
	verification_handle->calculate_sha1 = 1;
	}
	if( ( calculate_sha256 != 0 )
	&& ( verification_handle->calculate_sha256 == 0 ) )
	{
	verification_handle->calculated_sha256_hash_string = libcstring_system_string_allocate(
	65 );

	if( verification_handle->calculated_sha256_hash_string == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create calculated SHA256 digest hash string.",
	function );

	goto on_error;
	}
	verification_handle->calculate_sha256 = 1;
	}
	if( libsystem_split_string_free(
	&string_elements,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
	"%s: unable to free split string.",
	function );

	goto on_error;
	}
	return( result );

	on_error:
	if( string_elements != NULL )
	{
	libsystem_split_string_free(
	&string_elements,
	NULL );
	}
	return( -1 );
	}

	/* Sets the zero chunk on error
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_set_zero_chunk_on_error(
	verification_handle_t *verification_handle,
	uint8_t zero_chunk_on_error,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_set_zero_chunk_on_error";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( libewf_handle_set_read_zero_chunk_on_error(
	verification_handle->input_handle,
	zero_chunk_on_error,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_SET_FAILED,
	"%s: unable to set zero chunk on error in input handle.",
	function );

	return( -1 );
	}
	verification_handle->zero_chunk_on_error = zero_chunk_on_error;

	return( 1 );
	}

	#if defined( HAVE_LOW_LEVEL_FUNCTIONS )

	/* Appends a read error to the output handle
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_append_read_error(
	verification_handle_t *verification_handle,
	off64_t start_offset,
	size_t number_of_bytes,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_append_read_error";
	uint64_t start_sector = 0;
	uint64_t number_of_sectors = 0;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( verification_handle->bytes_per_sector == 0 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
	"%s: missing bytes per sector.",
	function );

	return( -1 );
	}
	start_sector = start_offset / verification_handle->bytes_per_sector;
	number_of_sectors = number_of_bytes / verification_handle->bytes_per_sector;

	if( ( number_of_bytes % verification_handle->bytes_per_sector ) != 0 )
	{
	number_of_sectors += 1;
	}
	if( libewf_handle_append_checksum_error(
	verification_handle->input_handle,
	start_sector,
	number_of_sectors,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_APPEND_FAILED,
	"%s: unable to append checksum error.",
	function );

	return( -1 );
	}
	return( 1 );
	}
	#endif

	/* Print the hash values to a stream
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_hash_values_fprint(
	verification_handle_t *verification_handle,
	FILE *stream,
	liberror_error_t **error )
	{
	static char *function = "verification_handle_hash_values_fprint";

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( stream == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid stream.",
	function );

	return( -1 );
	}
	if( verification_handle->calculate_md5 != 0 )
	{
	if( verification_handle->stored_md5_hash_available == 0 )
	{
	fprintf(
	stream,
	"MD5 hash stored in file:\t\tN/A\n" );
	}
	else
	{
	fprintf(
	stream,
	"MD5 hash stored in file:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->stored_md5_hash_string );
	}
	fprintf(
	stream,
	"MD5 hash calculated over data:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->calculated_md5_hash_string );
	}
	if( verification_handle->calculate_sha1 != 0 )
	{
	if( verification_handle->stored_sha1_hash_available == 0 )
	{
	fprintf(
	stream,
	"SHA1 hash stored in file:\t\tN/A\n" );
	}
	else
	{
	fprintf(
	stream,
	"SHA1 hash stored in file:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->stored_sha1_hash_string );
	}
	fprintf(
	stream,
	"SHA1 hash calculated over data:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->calculated_sha1_hash_string );
	}
	if( verification_handle->calculate_sha256 != 0 )
	{
	if( verification_handle->stored_sha256_hash_available == 0 )
	{
	fprintf(
	stream,
	"SHA256 hash stored in file:\t\tN/A\n" );
	}
	else
	{
	fprintf(
	stream,
	"SHA256 hash stored in file:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->stored_sha256_hash_string );
	}
	fprintf(
	stream,
	"SHA256 hash calculated over data:\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	verification_handle->calculated_sha256_hash_string );
	}
	return( 1 );
	}

	/* Print the additional hash values to a stream
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_additional_hash_values_fprint(
	verification_handle_t *verification_handle,
	FILE *stream,
	liberror_error_t **error )
	{
	char hash_value_identifier[ VERIFICATION_HANDLE_VALUE_IDENTIFIER_SIZE ];
	libcstring_system_character_t hash_value[ VERIFICATION_HANDLE_VALUE_SIZE ];

	static char *function = "verification_handle_additional_hash_values_fprint";
	size_t hash_value_identifier_size = VERIFICATION_HANDLE_VALUE_IDENTIFIER_SIZE;
	size_t hash_value_size = VERIFICATION_HANDLE_VALUE_SIZE;
	uint32_t number_of_values = 0;
	uint32_t hash_value_iterator = 0;
	uint8_t print_header = 1;
	int result = 1;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( stream == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid stream.",
	function );

	return( -1 );
	}
	if( libewf_handle_get_number_of_hash_values(
	verification_handle->input_handle,
	&number_of_values,
	error ) == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve number of hash values.",
	function );

	return( -1 );
	}
	for( hash_value_iterator = 0;
	hash_value_iterator < number_of_values;
	hash_value_iterator++ )
	{
	if( libewf_handle_get_hash_value_identifier_size(
	verification_handle->input_handle,
	hash_value_iterator,
	&hash_value_identifier_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the hash value identifier size for index: %" PRIu32 ".",
	function,
	hash_value_iterator );

	result = -1;

	continue;
	}
	if( hash_value_identifier_size > VERIFICATION_HANDLE_VALUE_IDENTIFIER_SIZE )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
	"%s: hash value identifier size value out of bounds for index: %" PRIu32 ".",
	function,
	hash_value_iterator );

	result = -1;

	continue;
	}
	if( libewf_handle_get_hash_value_identifier(
	verification_handle->input_handle,
	hash_value_iterator,
	(uint8_t *) hash_value_identifier,
	hash_value_identifier_size,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the hash identifier for index: %" PRIu32 ".",
	function,
	hash_value_iterator );

	result = -1;

	continue;
	}
	if( verification_handle->calculate_md5 != 0 )
	{
	if( hash_value_identifier_size == 4 )
	{
	if( libcstring_narrow_string_compare(
	hash_value_identifier,
	"MD5",
	3 ) == 0 )
	{
	continue;
	}
	}
	}
	if( verification_handle->calculate_sha1 != 0 )
	{
	if( hash_value_identifier_size == 5 )
	{
	if( libcstring_narrow_string_compare(
	hash_value_identifier,
	"SHA1",
	4 ) == 0 )
	{
	continue;
	}
	}
	}
	if( verification_handle->calculate_sha256 != 0 )
	{
	if( hash_value_identifier_size == 7 )
	{
	if( libcstring_narrow_string_compare(
	hash_value_identifier,
	"SHA256",
	6 ) == 0 )
	{
	continue;
	}
	}
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_get_utf16_hash_value(
	verification_handle->input_handle,
	(uint8_t *) hash_value_identifier,
	hash_value_identifier_size - 1,
	(uint16_t *) hash_value,
	hash_value_size,
	error ) != 1 )
	#else
	if( libewf_handle_get_utf8_hash_value(
	verification_handle->input_handle,
	(uint8_t *) hash_value_identifier,
	hash_value_identifier_size - 1,
	(uint8_t *) hash_value,
	hash_value_size,
	error ) != 1 )
	#endif
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the hash value for identifier: %s.",
	function,
	hash_value_identifier );

	result = -1;
	}
	else
	{
	if( print_header != 0 )
	{
	fprintf(
	stream,
	"\nAdditional hash values:\n" );

	print_header = 0;
	}
	fprintf(
	stream,
	"%s:\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	hash_value_identifier,
	hash_value );
	}
	}
	return( result );
	}

	/* Print the checksum errors to a stream
	* Returns 1 if successful or -1 on error
	*/
	int verification_handle_checksum_errors_fprint(
	verification_handle_t *verification_handle,
	FILE *stream,
	liberror_error_t **error )
	{
	libcstring_system_character_t *filename = NULL;
	libcstring_system_character_t *last_filename = NULL;
	static char *function = "verification_handle_checksum_errors_fprint";
	size_t filename_size = 0;
	size_t last_filename_size = 0;
	uint64_t start_sector = 0;
	uint64_t last_sector = 0;
	uint64_t number_of_sectors = 0;
	uint32_t number_of_errors = 0;
	uint32_t error_index = 0;
	int result = 0;
	int return_value = 1;

	if( verification_handle == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid verification handle.",
	function );

	return( -1 );
	}
	if( stream == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_ARGUMENTS,
	LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
	"%s: invalid stream.",
	function );

	return( -1 );
	}
	if( libewf_handle_get_number_of_checksum_errors(
	verification_handle->input_handle,
	&number_of_errors,
	error ) == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the number of checksum errors.",
	function );

	goto on_error;
	}
	if( number_of_errors > 0 )
	{
	fprintf(
	stream,
	"Sector validation errors:\n" );
	fprintf(
	stream,
	"\ttotal number: %" PRIu32 "\n",
	number_of_errors );

	for( error_index = 0;
	error_index < number_of_errors;
	error_index++ )
	{
	if( libewf_handle_get_checksum_error(
	verification_handle->input_handle,
	error_index,
	&start_sector,
	&number_of_sectors,
	error ) != 1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve the checksum error: %" PRIu32 ".",
	function,
	error_index );

	start_sector = 0;
	number_of_sectors = 0;

	return_value = -1;

	continue;
	}
	last_sector = start_sector + number_of_sectors - 1;

	fprintf(
	stream,
	"\tat sector(s): %" PRIu64 " - %" PRIu64 " (number: %" PRIu64 ")",
	start_sector,
	last_sector,
	number_of_sectors );

	fprintf(
	stream,
	" in segment file(s):" );

	start_sector *= verification_handle->bytes_per_sector;
	last_sector *= verification_handle->bytes_per_sector;

	while( start_sector <= last_sector )
	{
	if( libewf_handle_seek_offset(
	verification_handle->input_handle,
	(off64_t) start_sector,
	SEEK_SET,
	error ) == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_IO,
	LIBERROR_IO_ERROR_SEEK_FAILED,
	"%s: unable to seek offset: %" PRIi64 ".",
	function,
	start_sector );

	goto on_error;
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result= libewf_handle_get_filename_size_wide(
	verification_handle->input_handle,
	&filename_size,
	error );
	#else
	result = libewf_handle_get_filename_size(
	verification_handle->input_handle,
	&filename_size,
	error );
	#endif
	if( result == -1 )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve filename size.",
	function );

	goto on_error;
	}
	else if( result != 0 )
	{
	filename = libcstring_system_string_allocate(
	filename_size );

	if( filename == NULL )
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_MEMORY,
	LIBERROR_MEMORY_ERROR_INSUFFICIENT,
	"%s: unable to create filename.",
	function );

	goto on_error;
	}
	#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_get_filename_wide(
	verification_handle->input_handle,
	filename,
	filename_size,
	error ) != 1 )
	#else
	if( libewf_handle_get_filename(
	verification_handle->input_handle,
	filename,
	filename_size,
	error ) != 1 )
	#endif
	{
	liberror_error_set(
	error,
	LIBERROR_ERROR_DOMAIN_RUNTIME,
	LIBERROR_RUNTIME_ERROR_GET_FAILED,
	"%s: unable to retrieve filename.",
	function );

	goto on_error;
	}
	if( last_filename == NULL )
	{
	fprintf(
	stream,
	" %s",
	filename );

	last_filename = filename;
	last_filename_size = filename_size;
	}
	else if( ( last_filename_size != filename_size )
	\|\| ( memory_compare(
	last_filename,
	filename,
	filename_size ) != 0 ) )
	{
	fprintf(
	stream,
	", %s",
	filename );

	memory_free(
	last_filename );

	last_filename = filename;
	last_filename_size = filename_size;
	}
	else
	{
	memory_free(
	filename );
	}
	filename = NULL;
	filename_size = 0;
	}
	start_sector += verification_handle->chunk_size;

	}
	if( last_filename != NULL )
	{
	memory_free(
	last_filename );

	last_filename = NULL;
	last_filename_size = 0;
	}
	fprintf(
	stream,
	"\n" );
	}
	fprintf(
	stream,
	"\n" );
	}
	return( return_value );

	on_error:
	if( last_filename != NULL )
	{
	memory_free(
	last_filename );
	}
	if( filename != NULL )
	{
	memory_free(
	filename );
	}
	return( -1 );
	}

File Metadata

Mime Type: text/x-c
Expires: Thu, Jan 23, 11:27 PM (1 d, 14 h)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 1187616
Default Alt Text: verification_handle.c (90 KB)

verification_handle.cNo OneTemporaryActions

verification_handle.cView Options

File Metadata

Event Timeline

verification_handle.c
No OneTemporary
Actions

verification_handle.c
View Options