Re: Pub/priv key security
From: Chris Mattern (syscjm_at_gwu.edu)
Date: 12/09/03
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Date: Mon, 08 Dec 2003 18:04:34 -0500
roberto2312@hotmail.com wrote:
> Hi,
>
> I have a small (security question:
> how many pub/priv key is more secure
> against password access?
>
> Is true that a 512bit pub/priv key is
> ~10times more secure than a 10 char pwd
> (5bit*10=50bit 512/50=~10) against
> brute-force attack?
>
> THX
>
No. The 512bit key is (2^512)/(2^50)=
prox 10^139
(10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,
000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,
000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000)
times more secure.
Chris Mattern
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