full-disclosure - Motorist wins case after maths whizzes break speed camera code (fwd)

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Date: Thu Aug 11 18:28:33 2005
From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: Motorist wins case after maths whizzes break
	speed camera code (fwd) 

On Wed, 10 Aug 2005 22:07:19 CDT, "J.A. Terranson" said:

> Mr Mirabilis yesterday said he had received more than 100 inquiries
> from motorists anxious to use the same defence. "People have shown it
> [the algorithm] has been hacked and it's open to viruses."

MD5 has viruses? (For what it's worth, the MD5 break concerned forming 2
different plaintexts that had the same MD5 hash, but you have no control over
what the hash value actually is - forming a second plaintext to match a given
plaintext's hash is still believed infeasible).  Your best attack would probably
be to attack the "chain of evidence" of the MD5 hash itself, and show that a
different picture, with different MD5, could have replaced the original..

This proves 2 things:

1) The qualifications for "expert witness" are *way* too low.

2) We *really* need to be vigilant in our defense of correct usage of terms.

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