Buckinghamshire CC ANPR cameras

Roland Perry lists at internetpolicyagency.com
Tue Jan 10 13:29:47 GMT 2012

In article <20120110124323.GC59956 at davros.org>, Clive D.W. Feather 
<clive at davros.org> writes
>> 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.

Indeed, and we know that "no extra elements are introduced" part is a 
bit naive, because there's the elements that zero and "oh", or five and 
"es" are regarded as synonymous.
Roland Perry

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