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Re: RC5 Performance Information

To: Hilarie Orman <ho@cs.arizona.edu>
Subject: Re: RC5 Performance Information
From: Joe Tardo <tardo@raptor.com>
Date: Tue, 19 Mar 1996 12:08:30 -0800
Cc: ipsec@ans.net
Sender: ipsec-request@neptune.tis.com

At 11:09 AM 3/19/96 -0700, Hilarie Orman wrote:
>>                          90 MHz Pentium          200 MHz DEC Alpha
>> DES Encrypt               8.0 MegaBits/Sec       10.6 MegaBits/Sec
>> RC5 Encrypt              26.3 MegaBits/Sec       24.5 MegaBits/Sec
>
>I think best DES speed is closer to 18 MBits/Sec on a 200 MHz Alpha;
>I'd imagine the RC5 time cannot be improved, so a 2/3 ratio is realistic
>for that machine.
>


So the Alpha does DES 2.5 times faster but RC5 slower?  Explain, please.

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