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.Dd May 12, 2007
.Dt ewfverify
.Os libewf
.Sh NAME
.Nm ewfverify
.Nd verifies media data stored in EWF files
.Sh SYNOPSIS
.Nm ewfverify
.Op Fl d Ar digest_type
.Op Fl hqvV
.Va Ar ewf_files
.Sh DESCRIPTION
.Nm ewfverify
is a utility to verify media data stored in EWF files.
.Pp
.Nm ewfverify
is part of the
.Nm libewf
package.
.Nm libewf
is a library to support the Expert Witness Compression Format (EWF).
.Nm libewf
supports both the SMART format (EWF-S01) and the EnCase format (EWF-E01).
.Nm libewf
currently does not support the Logical Volume format (EWF-L01).
EWF-X is an expirimental format intended for testing purposes to enhance the EWF format.
.Nm libewf
allows you to read and write media data in the EWF format.
.Pp
.Ar ewf_files
are the EWF file(s) to read the meta data from.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d Ar digest_type
calculate additional digest (hash) types besides md5, options: sha1
.It Fl h
shows this help
.It Fl q
quiet shows no status information
.It Fl v
verbose output to stderr
.It Fl V
print version
.El
.Sh ENVIRONMENT
None
.Sh FILES
None
.Sh EXAMPLES
.Bd -literal
# ewfverify floppy.E01
ewfverify 20070512 (libewf 20070512, zlib 1.2.3, libcrypto 0.9.8, libuuid)
Verify started at: Sat May 12 19:21:51 2006
This could take a while.
Status: at 2%.
verified 32 kB (32768 bytes) of total 1.4 MB (1474560 bytes).
.Dl ...
Status: at 100%.
verified 1.4 MB (1474560 bytes) of total 1.4 MB (1474560 bytes).
completion in 1 second(s) with 1 MB/s (1474560 bytes/second).
Verify completed at: Sat May 12 19:21:52 2006
Read: 1.4 MB (1474560 bytes) in 1 second(s) with 1 MB/s (1474560 bytes/second).
MD5 hash stored in file: ae1ce8f5ac079d3ee93f97fe3792bda3
MD5 hash calculated over data: ae1ce8f5ac079d3ee93f97fe3792bda3
ewfverify: SUCCESS
.Ed
.Sh DIAGNOSTICS
Errors, verbose and debug output are printed to stderr when verbose output \-v is enabled.
Verbose and debug output are only printed when enabled at compilation.
.Sh BUGS
Please report bugs of any kind to <forensics@hoffmannbv.nl> or on the project website:
https://libewf.uitwisselplatform.nl/
.Sh AUTHOR
These man pages were written by Kees Mastwijk.
Alterations for distribution have been made by Joachim Metz.
.Sh COPYRIGHT
Copyright 2006-2007 Kees Mastwijk, Hoffmann Investigations <forensics@hoffmannbv.nl> and contributors.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.Sh SEE ALSO
.Xr ewfacquire 1 ,
.Xr ewfacquirestream 1 ,
.Xr ewfexport 1 ,
.Xr ewfinfo 1

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