P2P authentication based on durable P2P storage technique

Analyzing the security, easy-to-use operation and cost of authentication, introducing the password-based authentication into a P2P system is regarded as necessary. With the durable P2P storage techniques and the ideas about reliable computation and virtual system taken into account to provide a decentralized database for storing users' information and reliable entity for authentication, the two key problems using durable techniques of password-based identity authentication can be solved, i.e., a user's individual information is unable to store and lack of objectively reliable entity for implementing the password-based authentication. The theoretical analysis and prototype both verify the feasibility of the way proposed for authentication, which is a try beneficial to the improvement of authentication.