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I´m using PyApduTool to install an applet on my Java Card but while downloading it, i get this exception: "Download Cap error: GP init update failed. recv: 69 82"

With an other card i get this one: "Download Cap error: Check Card Cryptogram failed."

I hope someone can help me

Felix Arnold
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    There is a great answer by Maarten Bodewes: http://stackoverflow.com/a/23565199/3899583 – vojta Nov 12 '15 at 18:23

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69 82 stands for security issues. Try contacting your card provider for the keys.

What type of card do you have? Most Gemalto cards have default keys as 47454d5850524553534f53414d504c45.

Try selecting card manager to see card's life cycle state.

UPDATE

Thanks to @vlp

Please Conside that some cards may have the default keys as 404142434445464748494a4b4c4d4e4f

Hana Bzh
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    Maybe it is worth saying that the mentioned key for most Gemalto cards is diversified (direct use _probably_ won't work and _might_ cause harm) + please consider adding the "omnipresent" 4041..4E4F key to the answer as well. – vlp Nov 16 '15 at 00:26