Trust Evaluation Strategy for Single Sign-on Solution in Cloud

Inordertosolvethesecurityproblemslikesinglepointfailure,maliciouslyaccessorevendestruction oftheauthorizingnodethatwascausedbythelackofknowledgeoftrustevaluationofinteractional nodes,thisarticleproposesatrustevaluationstrategyforsinglesign-onsolutionsinthecloud.The strategyimprovedtheD-Sevidencetheorytoverifythesecurityofthepeernodesincloud,including thecalculation,combinationand transferof thedirect trustand recommended trust.This solved thesecurityproblemsbroughtonbyevidenceconflictsintrustcombinationandprovidessecurity insuranceforsinglesign-onsolutionsinthecloud. KEywoRDS Evidence Conflict, Single Sign-On, Trust Combination, Trust Transfer