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Article #740

Re: Using Public-Key Encryption for Copy-Protecting Software

#740
From: Csd1519
Date: Fri, 17 Apr 1992 19:41
19 lines
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In article <MdrtruK00hYoQpYlJx@andrew.cmu.edu> dh10+@andrew.cmu.edu (David Christian Homan) writes:
>
>> I would like to discuss the technical issues involved in using public-key
>> encryption as a method to copy-protect software.  I am also starting a
>> thread on comp.sys.next.misc to discuss whether using this type of 
>> copy-protection is a go .... [details deleted]
>
>Just remember that the RSA algorithm is patented and can't be used.
>
It may be patented, but is RSA the only public-key cryptosystem in existence?  
I know RSA is no secret because I'm looking at it right in my data structures 
class textbook, "Introduction to Algorithms" bu Cormen, Leiserson, Rivest--
chapter 33, page 831).  I've also have code for its implementation (written 
in BASIC no less) out of the 'Hackerbibel' by the Chaos Computer Club.

Given all of this, I still haven't implemented it in C for my unix mail; guess
I'm just too lazy. :-) 

				Arnim Sauerbier
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Message-ID: <1992Apr17.194103.7993@ux.acs.umn.edu>
Path: arc1-ca.pugleaf.net!sparky!uunet!europa.asd.contel.com!darwin.sura.net!mips!spool.mu.edu!umn.edu!ux.acs.umn.edu!csd1519
References: <1992Mar30.223929.22063@Csli.Stanford.EDU> <MdrtruK00hYoQpYlJx@andrew.cmu.edu>

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From: csd1519@ux.acs.umn.edu (Csd1519)
Newsgroups: comp.sys.next.programmer
Subject: Re: Using Public-Key Encryption for Copy-Protecting Software
Message-ID: <1992Apr17.194103.7993@ux.acs.umn.edu>
Date: 17 Apr 92 19:41:03 GMT
Article-I.D.: ux.1992Apr17.194103.7993
References: <1992Mar30.223929.22063@Csli.Stanford.EDU> <MdrtruK00hYoQpYlJx@andrew.cmu.edu>
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Organization: University of Minnesota, Twin Cities
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