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Patent Absurdity

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Old 05-05-2010
Patent Absurdity
Patents are generally held to be granted on devices, or inventions.  In recent years, United States patents have been granted on processes, and even software.  "Patent Absurdity" is a half hour video outlining the dangers and difficulties surrounding the granting of software patents.  The interviews take place around the "Bilski" case appeal before the Supreme Court.  (The "Bilski" case decision is generally held to strike down software patents, but is still the subject of a good deal of debate.)

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LEARN ABOUT DEBIAN

siggen

SIGGEN(8)						      System Manager's Manual							 SIGGEN(8)

NAME

       siggen - signature gathering routine for Tripwire

SYNOPSIS

       siggen [ options... ] file1 [ file2... ]

       Options:

	    -t	       --terse
	    -h	       --hexadecimal
	    -a	       --all
	    -C	       --CRC32
	    -M	       --MD5
	    -S	       --SHA
	    -H	       --HAVAL

DESCRIPTION

       siggen is a utility that displays the hash function values for the specified files.

OPTIONS

       -t, --terse
	      Terse mode.  Prints requested hashes for a given file on one line, delimited by spaces, with no extraneous information.

       -h, --hexadecimal
	      Display results in hexadecimal rather than base64 notation.

       -a, --all
	      Display all hash function values (default).

       -C, --CRC32
	      Display CRC-32, POSIX 1003.2 compliant 32-bit Cyclic Redundancy Check.

       -M, --MD5
	      Display MD5, the RSA Data Security, Inc. Message Digest Algorithm.

       -S, --SHA
	      Display SHA, Tripwire's implementation of the NIST Secure Hash Standard, SHS (NIST FIPS 180).

       -H, --HAVAL
	      Display Haval value, a 128-bit hash code.

       file1 [ file2... ]
	      List of filesystem objects for which to display values.

VERSION INFORMATION

       This man page describes siggen version 2.4.

AUTHORS

       Tripwire, Inc.

COPYING PERMISSIONS

       Permission  is granted to make and distribute verbatim copies of this man page provided the copyright notice and this permission notice are
       preserved on all copies.

       Permission is granted to copy and distribute modified versions of this man page under the conditions for verbatim  copying,  provided  that
       the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

       Permission  is  granted to copy and distribute translations of this man page into another language, under the above conditions for modified
       versions, except that this permission notice may be stated in a translation approved by Tripwire, Inc.

       Copyright 2000 Tripwire, Inc. Tripwire is a registered trademark of Tripwire, Inc. in the United States and  other  countries.  All  rights
       reserved.

SEE ALSO

       twintro(8), tripwire(8), twadmin(8), twprint(8), twconfig(4), twpolicy(4), twfiles(5)

								    1 July 2000 							 SIGGEN(8)