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From: boykin@encore.com (Joseph Boykin)
Newsgroups: comp.os.mach
Subject: Re: setuid bit patent
Message-ID: <12923@encore.Encore.COM>
Date: 11 Oct 90 14:09:41 GMT
References: <2371@opus.cs.mcgill.ca> <1990Oct10.043444.13850@agate.berkeley.edu> <10656@goofy.Apple.COM>
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Reply-To: boykin@encore.com
Organization: Encore Computer Corp.
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In article <2371@opus.cs.mcgill.ca>, clement@opus.cs.mcgill.ca (Clement
Pellerin) writes:
> >There is another problem.  I understand one of those fellows, Ritchey I
> >think, has patented the setuid bit, so one would have to license the bit
> >to have any security systems work as under normal unix.
> 
> This patent is rather old.

Some time ago AT&T gave up rights to this particular patent, thereby
placing the UNIX(tm) "setuid technology" in the public domain.

jb
----

Joseph Boykin
Manager, Mach OS Development
Encore Computer Corp
Treasurer, IEEE Computer Society

Internet: boykin@encore.com
Phone: 508-460-0500 x2720