[73633] in North American Network Operators' Group
Re: Senator Diane Feinstein Wants to know about the Benefits of P2P
daemon@ATHENA.MIT.EDU (Crist Clark)
Mon Aug 30 17:49:13 2004
Date: Mon, 30 Aug 2004 14:45:12 -0700
From: Crist Clark <crist.clark@globalstar.com>
In-reply-to: <Pine.LNX.4.60.0408301404480.13619@twomix.devolution.com>
To: Scott Call <scall@devolution.com>
Cc: Mike Tancsa <mike@sentex.net>, Dan Hollis <goemon@anime.net>,
nanog@merit.edu
Reply-To: crist.clark@globalstar.com
Errors-To: owner-nanog-outgoing@merit.edu
Scott Call wrote:
>
> On Mon, 30 Aug 2004, Mike Tancsa wrote:
>
>> I recall even seeing posts about people claiming this meant original
>> data being reconstructed from the checksum! That would be truly
>> amazing since I could reconstruct a 680MB ISO from just
>> 61d38fad42b4037970338636b5e72e5a. Wow!
>
>
> Technically, using an Infinate Monkeys approach, you could rebuild the
> ISO by generating the expentially huge quantity of all possible data and
> check them and find the one that matches the ISO.
>
> Not practical but possible.
Not possible. There are, theoretically, many 680 MB ISOs that have that
hash. That you produce _a_ 680 MB ISO that has that hash does not
mean that you have _the_ particular 680 MB ISO that produced it.
--
Crist J. Clark crist.clark@globalstar.com
Globalstar Communications (408) 933-4387
