patented vs secret (was Re: RC4)

Noam Stopak stopak at orionsci.com
Thu Jul 27 10:33:19 PDT 1995


> 
> By the way, since RSA is such a vocal opponent of the Clipper chip on the
> grounds of its secret Skipjack algorithm, why does it market secret
> algorithms like RC4 and RC2?  Does this seen like a double face to anyone
> else?
> 
> -----------------------------------------------------------
> Russell Ross                     email: rross at sci.dixie.edu
> 1260 N 1280 W                    voice: (801)628-8146
> St. George, UT 84770-4953

Patented does not equal secret.  The argument against Clipper (at least one 
of them ;-), is that it has not been subjected to review outside of the NSA.

I believe the code for RC4 and RC2 is accessible and has been subjected to
review by many in the crypto field - you just can't use it legally without 
a license.

Noam





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