Perry E. Metzger wrote:
Ed Felten has an interesting post on his blog about a Dutch smartcard
based transportation payment system that has been broken. Among other
foolishness, the designers used a custom cryptosystem and 48 bit keys.
http://www.freedom-to-tinker.com/?p=1250
The Dutch government paid two billion dollars for stupidity, for
foolishness that almost anyone on this list could have told them was
foolish. Secret algorithm!
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