Re: Weakness in Social Security Numbers Is Found

I don't honestly think that this is new, but even if it is, a 9-digit random number has a 44% chance of being a valid SSN (442 million issued to date). Similarly, with Chase and Citi each at about 100M cards issued, and the 16-digit card number having 7 of those digits fixed-in-advance, a 16-digi

Very high rate true random number generation

Randomness from quantum effects at Megabits per second (and they claim they can get to Gb/s). I can't say I follow all the details of what they're doing. http://spie.org/x35516.xml -- Jerry -