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Deciphering EMV data encoded in the not so basic "basic encoding rules".

Some code for deciphering BER TLV data used in EMV (chip card transactions).

Source for the oddly named tool tvr-decoder running on Google's AppEngine. It started life decoding a single field from the EMV spec, the TVR, and gained a bunch more features from there.

Depends on the core decoder library which can be run as an executable jar.