1995-09-28 - Re: 25 Crays a Year to Break STT

Header Data

From: Bill Stewart <stewarts@ix.netcom.com>
To: cypherpunks@toad.com
Message Hash: ed07b89b81bc223bf98c069d6aa0fcab4eae7748941ef8405f4520f257eaed09
Message ID: <199509281737.KAA15655@ix8.ix.netcom.com>
Reply To: N/A
UTC Datetime: 1995-09-28 17:39:49 UTC
Raw Date: Thu, 28 Sep 95 10:39:49 PDT

Raw message

From: Bill Stewart <stewarts@ix.netcom.com>
Date: Thu, 28 Sep 95 10:39:49 PDT
To: cypherpunks@toad.com
Subject: Re: 25 Crays a Year to Break STT
Message-ID: <199509281737.KAA15655@ix8.ix.netcom.com>
MIME-Version: 1.0
Content-Type: text/plain


>   Microsoft said its Secure Transaction Technology (STT), was
>   designed to provide a much higher level of security for
>   credit card transactions on the Internet. Netscape's
>   general purpose encryption system uses a 40 or 128-bit
>   electronic "key", while STT will use 2,000-bit keys.
Sigh.  Apples and oranges, and they know it.
....
>   Although no encryption system was totally secure, Mr Dent
>   estimated it would take "25 Cray supercomputers a year" to
>   break the STT codes.

So how much work can 25 Crays do in a year?  Crack single-DES?
Maybe RC4/64?  
#---
# Bill Stewart, Freelance Information Architect, stewarts@ix.netcom.com
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