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Fix for old libfreefare Desfire timeout deadlocks

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Ondrej Mikle 2021-04-16 21:13:09 +02:00
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@ -29,6 +29,16 @@ and panic trigger) or a cheap electromagnetic lock.
Test code is also provided to get payment signature (cryptogram) from Visa and Mastercard, but it's not used.
### Note on old libfreefare 0.4.x desfire timeouts/deadlocks
Old libfreefare 0.4.x has infinite timeouts for desfire operations (and others).
Fix can be made by replacing the timeout parameter in `nfc_initiator_transceive_bytes` calls in libfreefare sources.
You need to rebuild the lib and reinstall it.
Latest versions have finite timeout, which is also configurable.
## Building and dependencies
You need just to run `make`. Additional dependencies: