Patent ID: 8417955
Filing Date: 2013-04-09
Classification: H04L

Abstract:
1. A method for two-way entity authentication, comprising: transmitting, by a first entity, a first message carrying a time variant parameter R transmitting, by a second entity, upon reception of the first message, to a trusted third party a second message carrying time variant parameters R returning, by the trusted third party, upon reception of the second message, to the second entity a third message carrying a signature of the trusted third party and the time variant parameters R obtaining, by the second entity, upon reception of the third message, a verification result for the first entity if verification of the signature of the trusted third party is passed and the time variant parameter R obtaining, by the first entity, upon reception of the fourth message, a verification result for the second entity if verification of the signature of the trusted third party is passed and the time variant parameter R