3des


It's everywhere in the news, and I couldn't resist trying to figure out how it works. I think I roughly found out but we'll have to wait for Karsten Nohl's presentation at BlackHat to see if I was right :) Getting ciphertexts Mobile phones are capable of receiving OTA (Over The Air) commands ('update', 'get status'...) in the form of SMS messages sent by their service provider. Fortunately, those messages support encryption and integrity checks. More specifically, the secure packet header specifies the algorithm and key set identifier to use... [Read More]
by RSS Axelle Apvrille  |  Jul 24, 2013  |  Filed in: Security Research