Rate Secrecy of Networks with Game Theory Approach
Sadegh Bamohabbat Chafjiri, Mohammad Ali Tebbi, Yasser Karimian · ASME Press eBooks · 2011
In this paper, we introduce a three-way discrete memoryless Broadcast channel (T-DMBC) between a transmitter (Alice), a receiver (Bob), and an intruder (Eve). We represent a protocol for secret key establishment (SKE) between Alice and Bob so that Eve can also participate in the second round of the secret key establishment. We assume that the intruder cannot act as an initiator (under the conditions that the FCC acts as a dictator of the game). Thus, any transmission by an intruder as his activity in the first round must not make the protocol vulnerable to the DOS attack. We use the Nash Equilibrium (NE) of the game between the receiver and the intruder to prove that there is no guarantee for achievable secure rate stabilization toward the main receiver by using passive intruder protocols for DMC or 2DMBC. In order to achieve secure rate stabilization, we modify the passive model for the secrecy of 2DMBC with a noise-forwarding strategy and post-computations in a game model.