crackle exploits a flaw in the BLE pairing process that allows an attacker to guess or very quickly brute force the TK (Temporary Key). With the TK and other data collected from the pairing process, the STK (Short Term Key) and later the LTK (Long Term Key) can be collected.

Author

CrackLE Limitations

Install CrackLE

Install dependencies

sudo apt-get install libpcap-dev

Clone the GitHub repo

git clone https://github.com/mikeryan/crackle.git

make

sudo make install

Use CrackLE

crackle -i input.pcap -o decrypted.pcap

crackle -i <file.pcap>

crackle -i <file.pcap> -o <output.pcap>

crackle -i <file.pcap> -o <out.pcap> -l <ltk>

CrackLE GitHub