Hi All,
I am brand new to the RFID/Proxmark world and need some help.
I have looked through just about every forum I can find about cloning the iclass picopass however I am still running into an issue and haven’t seen anyone talk about this.
I am trying to clone my apartment card, pictured
to a key fob, pictured
I can run hf iclass info on my card and get this result:
I can also run hf iclass info on my blank key fob and get this result:
However, when I go to run hf iclass dump --ki (0, 1, 2… etc) on my apartment card I get this response:
I can run hf iclass dump --ki 0 on my blank fob with no issues.
Appreciate any help guys, sorry if my issue is something stupid!
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Try a hf iclass chk -f iclass_default_keys.dic
to make sure you’re using the correct key
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It looks like it didn’t find a valid key for that card
Give hf iclass chk -f iclass_elite_keys.dic --elite
a try too
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Looks like it found a key
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hf iclass dump --key C8B2F9456B8D5897
And you’ll use that key for all future commands on that card.
You can use the hf iclass managekeys
command like it suggests to save that to a key index, but I’m too lazy for that personally
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Appreciate the help so far,
Still unfortunately getting the same result

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Try moving the card all over/under/around the PM3 to try to rule out coupling issues
Also make sure the PM3 isn’t too near a metal desk or anything conductive which might impact the connection
It might help to put a bit of an air gap between the PM3 and the reader too
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Unfortunately no luck with moving the card/PM3 around, same issue everywhere.
Sorry I am a bit confused, when you say put a gap between the PM3 and the reader, what do you mean?
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I meant the PM3 and the card, my bad
Can you post the output from when you first start the PM3 client?
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The CSN in the screenshots from your hf iclass chk
commands doesn’t match either of the CSNs of the two scans in your initial post
That seems strange to me…
You might retry those commands while moving the card around again, see if you can get the CSN to register correctly.
I’d also try a chk on the blank fob and see if that returns the correct CSN, if it doesn’t it could be an issue in your client version
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Ran the commands again and the CSN matches on my card
Matches on the blank fob aswell
Unsure what happened
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Give hf iclass dump --key C8B2F9456B8D5897 --elite
a try
2 Likes
Thanks mate this has worked for me.
Managed to write the blocks to the new key fob, still having issues with it not being detected by the reader, but I will have a look through the forums and I’m sure I can find something.
Appreciate the help, thanks a lot
3 Likes
The new fob is not being read by the reader correct?
Could you put a RSP on the reader?
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I think it’s possible that the reader can be configured to only use elite keys, so the blank fob which is using a standard key may not be recognized
Whether that’s a real thing, and whether you can change the keys on the blank, I’m way not the right person to ask 
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