Reverse Engineering a bank security token

OK I am not sure if this is cool or scary.  Cool that the author reverse engineered the android app to get how the token was generated, and build code to use a cheap TI Stellaris to generate its own.  Or scary that he was able to do this pretty easily.

http://hackaday.com/2014/02/07/reverse-engineering-a-banks-security-token/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29

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