What algorithm?

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2 total messages Started by Mark Everett Wed, 06 Jan 1993 16:42

Author: Mark Everett
Date: Wed, 06 Jan 1993 16:42

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1050 bytes

I realize that PGP uses the RSA algorithm, which is patented and therefore
illegal in the U.S.  What is RIPEM and what algorithm does it use so as not
to infringe on RSA's patent?  I was reading about using Lucas functions rather
than exponentiation in Dr. Dobbs Journal (DJJ), which is ostensibly more secure
than RSA, so I assume there are some reasonable variants to avoid legal problems.
Which does RIPEM use?

--
.................................................................................
Mark J. Everett	    : Cayman Systems Inc, 26 Landsdowne St, Cambridge, MA 02139
everettm@cayman.com : Phone 617-494-1999, Fax 617-494-5167, AppleLink CAYMAN.TECH

Re: What algorithm?

Author: Marc VanHeyningen
Date: Wed, 06 Jan 1993 18:13

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Thus said everettm@Cayman.COM (Mark Everett):
>I realize that PGP uses the RSA algorithm, which is patented and therefore
>illegal in the U.S.  What is RIPEM and what algorithm does it use so as not
>to infringe on RSA's patent?  I was reading about using Lucas functions rather
>than exponentiation in Dr. Dobbs Journal (DJJ), which is ostensibly more secure
>than RSA, so I assume there are some reasonable variants to avoid legal problems.
>Which does RIPEM use?

RSA.  However, it uses an implementation of RSA which is licensed for
noncommercial use by RSADSI and thus is unquestionably legal to use in
the U.S. and Canada.
-- 
Marc VanHeyningen    mvanheyn@whale.cs.indiana.edu    MIME & RIPEM accepted

Immediate access, limited costs, high-tech medicine.
For health care, choose only two of the above.

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