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Article #3101

Re: How fast is DES?

#3101
From: todd
Date: Mon, 11 Jan 1993 06:16
23 lines
1296 bytes
In <1494@eouk9.eoe.co.uk>, Andrew Haley (ahaley@eoe.co.uk) writes

> Another possibility is using a hash function such as MD4 as a stream
> cipher generator.  One advantage of using stream ciphers is that the
> stream can be generated offline, so that when you want to transmit a
> message it can be done instantly.  The total processing time to
> encrypt will not be any less, but the stream can be generated while
> the processor would otherwise be idle, effectively reducing the
> encryption overhead to zero.

I'm not sure how practical this technique is, I believe that IBM owns
a patent on it.  And it won't be expiring for even further in the
future than the RSA patents!!!

--

Todd
-- 
Todd Smith                                     TIVOLI Systems, Inc.
todd@tivoli.com                                6034 West Courtyard Dr.
                                               Suite 210
(512) 794-9070 [794-0623 fax]                  Austin, TX   78730
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From: todd@palomar.tivoli.com
Newsgroups: sci.crypt
Subject: Re: How fast is DES?
Message-ID: <TODD.93Jan11151650@palomar.tivoli.com>
Date: 11 Jan 93 06:16:50 GMT
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