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Hello again unix.com
I need some help regarding a script.
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4. Shell Programming and Scripting
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Hi,
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Hi Group,
Please forgive in case this is discussed.
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VERIFIER(1) General Commands Manual VERIFIER(1)
NAME
rdd-verify - verifies checksums and hash values generated by rdd-copy(1)
SYNOPSIS
rdd-verify [OPTION] file1 ...
DESCRIPTION
Rdd-verify verifies checksums and hash values generated by rdd-copy(1). Rdd stores checksums (Adler32 or CRC32) in files. These files
must be passed to rdd-verify for verification.
Hash values (MD5 or SHA1) computed by rdd-copy(1) must be passed to rdd-verify on the command line as hexadecimal strings.
Rdd-verify reads all input files (file1, ...) and recomputes the checksums and hash values that the user wishes to verify. The verifica-
tion will very likely fail if the concatenation of the input files is different from the source that was copied by rdd-copy(1).
OUTPUT
All verification errors are reported on stderr.
OPTIONS
-?, --help
Print a usage message.
-V, --version
Report version number and exit.
-v, --verbose
Be verbose (more messages).
-v, --verbose
Be verbose (more messages).
--checksum, --adler32 file
Verify the Adler32 checksums stored in file.
--crc, --crc32 file
Verify the CRC32 checksums stored in file.
--md5, --md5 digest
Recompute the MD5 hash value. It should be equal to digest.
--sha, --sha1 digest
Recompute the SHA1 hash value. It should be equal to digest.
A digest argument is a hexadecimal string. Leading zeroes may not be omitted.
EXAMPLES
rdd-verify --md5 0123456789abcdef0123456789abcdef disk.img
Compute the MD5 hash value over disk.img and verify whether it equals 0123456789abcdef0123456789abcdef.
rdd-verify --adler32 checksums.a32 disk.img
Compute the adler32 checksums over disk.img and compare each checksum to the corresponding checksum in checksums.a32.
SEE ALSO
rdd-copy(1)
REPORTING BUGS
Report bugs to <rdd@holmes.nl>.
ACKNOWLEDGEMENTS
Many thanks to all who reported bugs and successes, and who suggested improvements. You know who you are.
COPYRIGHT
Copyright (C) 2002-2003 Netherlands Forensic Institute
This software comes with NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
rdd-verify February 2002 VERIFIER(1)
