ID BASED DOUBLE SERVER GENUINE KEY REPLACE
Keywords:
Password-authenticated key exchange, identity-based encryption and signature, Diffie-Hellman key exchange.Abstract
In two-server password-authenticated key exchange (PAKE) protocol, a client splits its password and shops two
stocks of its password within the servers, respectively, and the two servers then cooperate to authenticate the patron without
knowing the password of the consumer. In case one server is compromised by means of an adversary, the password of the
purchaser is needed to stay cozy. In this paper, we present compilers that remodel any two-celebration PAKE protocol to a
two-server PAKE protocol on the premise of the identification-based totally cryptography, known as ID2S PAKE protocol.
By the compilers, we are able to assemble ID2S PAKE protocols which acquire implicit authentication. As long as the
underlying -birthday party PAKE protocol and identity-based absolutely encryption or signature scheme have provable
protection without random oracles, the ID2S PAKE protocols built by way of the compilers may be established to be secure
without random oracles. Compared with the Katz et al.’s -server PAKE protocol with provable protection without random
oracles, our ID2S PAKE protocol can shop from 22% to 66% of computation in each server.
