[109949] in cryptography@c2.net mail archive
Re: PlayStation 3 predicts next US president
daemon@ATHENA.MIT.EDU (James A. Donald)
Wed Dec 5 17:10:58 2007
Date: Tue, 04 Dec 2007 11:24:04 +1000
From: "James A. Donald" <jamesd@echeque.com>
To: William Allen Simpson <william.allen.simpson@gmail.com>
CC: cryptography@metzdowd.com, hash-forum@nist.gov
In-Reply-To: <475336FB.7030602@gmail.com>
James A. Donald wrote:
>> Not true. Because they are notarizing a signature, not
>> a document, they check my supporting identification,
>> but never read the document being signed.
William Allen Simpson wrote:
> This will be my last posting. You have refused several requests to stick
> to the original topic at hand.
>
> Apparently, you have no actual experience with the legal system, or
> are from such a different legal jurisdiction that your scenario is
> somehow related to MD5 hashes of software and code distribution.
>
> Because human beings often try to skirt the rules, there's a long
> history of detailed notarization requirements. How it works here:
>
> (1) You prepare the document(s). They are in the form prescribed by law
> -- for example, Michigan Court Rule (MCR 2.114) "SIGNATURES OF ATTORNEYS
> AND PARTIES; VERIFICATION; EFFECT; SANCTIONS"
>
> (2) The clerk checks for the prescribed form and content.
>
> (3) You sign and date the document(s) before the notary (using a pen
> supplied by the notary, no disappearing ink allowed).
>
> (4) The notary signs and dates their record of your signature, optionally
> impressing the document(s) with an embossing stamp (making it physically
> difficult to erase).
>
> You have now attested to the content of the documents, and the notary has
> attested to your signature (not the veracity of the documents). Note
> that we get both integrity and non-repudiation....
>
> The only acceptable computer parallel would require you to bring the
> documents to the notary, using a digital format supplied by the notary,
You mean *specified* by the notary - which would presumably be PDF or RTF.
> generate the digital signature on the notary's equipment, and then the
> notary indempotently certify your signature (on the same equipment).
And if the format is PDF or RDF, none of this will prevent the problem
with MD5 - the problem being that a notarization of one document will
also notarize as many other of my documents as I please.
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