[110303] in cryptography@c2.net mail archive
Re: PlayStation 3 predicts next US president
daemon@ATHENA.MIT.EDU (James A. Donald)
Sun Dec 9 19:15:06 2007
Date: Sat, 08 Dec 2007 09:22:47 +1000
From: "James A. Donald" <jamesd@echeque.com>
To: cryptography@metzdowd.com, hash-forum@nist.gov
In-Reply-To: <4758077D.4070906@gmail.com>
William Allen Simpson wrote:
> The notary would never sign a hash generated by
> somebody else. Instead, the notary generates its own
> document (from its own tuples), and signs its own
> document, documenting that some other document was
> submitted by some person before some particular time.
And how does it identify this "other document"?
The notary is only safe from this flaw in MD5 if you
assume he is not using MD5 for its intended purpose.
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