Decoding HID Proximity Cards

HID proximity cards encode a facility code and internal card number in hex on most cards.  Decoding it is extremely easy and should take less than a minute.

Equipent Needed:
Omnikey Reader (I like the 5025CL)
BRIVO Card Calculator

Run from the RFIDIot tool kit and copy the ID:

Past the ID into the BRIVO decoder:

It is really that simple.  A made a quick video demo (that is tinted purple for some reason):

I have some writeable HID proximity cards on the way and will have a blog up soon on how to completely clone one.

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