Crazy Danish Hacker – GSM Sniffing 10 – SMS Decryption
Episode 10: SMS decryption. Feeding the captured Kc session key back into the GSM traffic capture to decrypt SMS bursts and recover the plaintext message.
Read MoreEpisode 10: SMS decryption. Feeding the captured Kc session key back into the GSM traffic capture to decrypt SMS bursts and recover the plaintext message.
Read MoreEpisode 11: voice decryption basics. How A5/1-encrypted GSM voice traffic is structured on the traffic channel and what’s needed to move from decoded bursts to intelligible audio.
Read MoreEpisode 12: setting up ESXi as the hypervisor for the GSM lab. Preparing a Linux VM to host the Kraken rainbow-table cracker and other heavier tools.
Read MoreEpisode 13: installing and configuring the Linux server that will host Kraken. Storage layout, network setup, and preparing the environment for the A5/1 rainbow tables.
Read MoreEpisode 14: obtaining the A5/1 rainbow tables used by Kraken to break the GSM stream cipher. Where they come from, storage size, and how they map ciphertext bits to key candidates.
Read More