Re: Bar code choice

Edward Cherlin <edward.cherlin@etssg.com> wrote:
|Not exactly. There are people who can read data xored with a
|fixed value. You use the key (the ballot number) to generate a
|pseudo-random bitstring to xor the data with.

I apologize, Ed. I glanced at your note, then mentioned it in a message
responding to Alan. I was under the misunderstanding you proposed
separate generation of pseudo-random XOR bitstrings. We are on the same
page that ballot-id's are the bitstring.

Just to emphasize Ed's point: XOR'ing barcodes with a fixed string has
no value whatsoever. If the same "key" is used on every ballot, it just
means that a *different*, but equally recognizable, pattern would occur
for a particular vote.

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