Never heard of this, and interested to hear more! In the mean time:
Is the system using the HF or LF side of the xMagic?
Any chance you can tell us more about the “charger” device or readers? Do they have logos or anything?
Personally I’d be really hesitant to present an implant to a reader that I didn’t know what the heck was doing, so I would probably start by examining the dumps before and after a “recharge” again
Also, a couple of theories:
I can only imagine two ways the charger might work, and both could be pretty easy to make work for you
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The “charger” just reads the card and updates the back-end, re-upping the credential in the access controller. If this is the case, and you can get an identical clone of your badge on your implant, you should be able to just scan your real badge on the charger every time your hand says it needs it, re-upping the credential on both
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The “charger” does write to the card somehow, which with more testing could be reverse-engineerable, and you could just do that same operation on your tag with something like the PM3. Or I suppose you could just re-clone your badge to your hand every time you “charged” it
But, frankly the whole concept of the “charger” is throwing me for loop, so I’m sure it could be something I’m not considering
Whoops, almost forgot:
Congrats on the new implant 