simple way to load your keystring into a disckey.bin:
python -c "import binascii; open('disckey.bin', 'wb').write(binascii.unhexlify('<copy and pase your key here>'))"
in between the single quotes you just copy and paste the key. Runs from both Linux/Windows no issue.
python -c "import binascii; open('disckey.bin', 'wb').write(binascii.unhexlify('<copy and pase your key here>'))"
in between the single quotes you just copy and paste the key. Runs from both Linux/Windows no issue.