There are roughly 1B GSM/3GPP/3GPP2 
SIMs in daily use and the number of 
keys extracted from them is diminishingly 
small.

-----Original Message-----
From: bear [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 11, 2003 3:43 AM
To: Sean Smith
Cc: [EMAIL PROTECTED]
Subject: Re: fyi: bear/enforcer open-source TCPA project 




On Wed, 10 Sep 2003, Sean Smith wrote:

>
>> So this doesn't
>> work unless you put a "speed limit" on CPU's, and that's ridiculous.
>
>Go read about the 4758.  CPU speed won't help unless
>you can crack 2048-bit RSA, or figure out a way around
>the physical security, or find a flaw in the application.

You propose to put a key into a physical device and give it
to the public, and expect that they will never recover
the key from it?  Seems unwise.

                        Bear

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