Buckinghamshire CC ANPR cameras

Clive D.W. Feather clive at davros.org
Tue Jan 10 12:43:23 GMT 2012

John Wilson said:
> The hash doesn't change over time. There's a FOI response from the
> Highways Agency which confirms that.
> (http://www.whatdotheyknow.com/request/48353/response/124187/attach/html/2/FOI%20response%20ref%2013068772.doc.html)

Actually, it doesn't say that.

If the person writing the answer thinks of the hash algorithm as being
based on (say) the date rather than the date being something that's hashed,
they would have answered the way they did.

Clive D.W. Feather          | If you lie to the compiler,
Email: clive at davros.org     | it will get its revenge.
Web: http://www.davros.org  |   - Henry Spencer
Mobile: +44 7973 377646

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