mask.of.sanity writes "Shoddy customised cryptography by a state rail outfit has been busted by a group of Australian researchers who were able to replicate cards to get free rides. The flaws in the decades-old custom cryptographic scheme were busted using a few hundred dollars' worth of equipment. The unnamed transport outfit will hold its breath until a scheduled upgrade to see the holes fixed."
I tell them to turn to the study of mathematics, for it is only there that
they might escape the lusts of the flesh.
-- Thomas Mann, "The Magic Mountain"