full-disclosure - Re: Secureid using scientific calculator?

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Message-Id: <B5FCD0BA-7DF8-4D2C-9E65-57898D188F28@gmail.com>
Date: Thu, 24 Apr 2008 19:13:37 -0700
From: Andrew Farmer <andfarm@...il.com>
To: gautam.singh+spam@...il.com
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Secureid using scientific calculator?

On 24 Apr 08, at 08:52, Gautam R. Singh wrote:
> Possible/feasible? My own implementation of secure id algorithm using
> scientific calculator & a watch?

Not a chance. SecurID involves a lot of messy bitwise operations  
that'll take a while to do by hand. <http://seclists.org/bugtraq/2000/Dec/0459.html 
 > has what's supposed to be a reverse-engineered version of the  
algorithm from 2000. If it's changed any since then, it's only going  
to have gotten more complex.

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