Rift Recon Blog — AccessControl

At Defcon 21 earlier this month ExploitHub and Rift Recon held #LOLBitcoin, a party at a two story Sky Villa in the Palms Hotel. In order to get in, guests had to solve a multi-phase crypto challenge (Walkthrough posted on the ExploitHub blog) or receive a VIP pass. Here Rift Recon engineer John Norman describes our setup utilized for the party. With 10 days to go before Blackhat, and an epic party planned at the Palms Hotel, we had a problem. Some of the key sponsors were still on the fence about doing the RFID-based party access system we’d proposed...