ht2crack5gpu
Build
It requires an OpenCL framework.
If required, edit Makefile and adjust INCLUDE and LIBS directives to your setup.
make clean
make
Run
You'll need just two nR aR pairs. These are the encrypted nonces and challenge response values. They should be in hex.
./ht2crack5gpu <UID> <nR1> <aR1> <nR2> <aR2>
UID is the UID of the tag that you used to gather the nR aR values.