Patent ID: 8392710
Filing Date: 2013-03-05
Classification: H04L,H04W

Abstract:
1. A mutual entity authentication method supporting rapid handoff, the method involving three security elements comprising two authentication elements A and B and a Trusted third Party TP, wherein the trusted third party TP is a trusted third party of the authentication elements A and B; the authentication element A comprises n authentication entities A 1 , A 2 , . . . , An, and the authentication element B comprises m authentication entities B 1 , B 2 , . . . Bm, among which synchronization information is provided; and all of the authentication entities in the same authentication element share one public key certificate or possess one public key, and for any pair of authentication entities Ai (i=1, 2, . . . , n) and Bj (j=1, 2, . . . , m), the authentication method comprises the steps of: 1) transmitting, by the authentication entity Bj, an authentication activation message INI 2) transmitting, by the authentication entity Ai, an access authentication request message AREQ TokenAB=sS 3) on receiving the access authentication request message AREQ 4) transmitting, by the authentication entity Bj, an access authentication response message ARES TokenBA=sS 5) verifying, by the authentication entity Ai, the access authentication response message ARES