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A comment on U.S. Postal Service Logging All Mail for Law Enforcement. Parent comment

Re:U.S. Postal Service Logging All Mail for Law Enforcement by ceol on Wednesday July 03, 2013 @08:03PM (#5988288)
A license plate is already essentially encrypted. It's a random sequence of letters and numbers that correspond with a unique individual's information. It contains no personal information in itself.
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Re:U.S. Postal Service Logging All Mail for Law Enforcement by betterunix on Wednesday July 03, 2013 @09:03PM (#5988568)
Except that your car shows everyone the same license plate every time they look at it. This would be completely unacceptable for a cryptographic solution, which would use fresh randomness to respond to every request (in theory).
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