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Single Sign-on (SSO) allows a user to obtain a single credential from a Trusted Third Party (TTP) once and then authenticates himself/herself to different service providers by using the same credential. Though different SSO schemes have been obtained from various primitives, user anonymity has not yet been studied formally. Motivated by the fact that anonymity is a very essential security requirement...
Single Sign-on (SSO) allows users to only log on once and then access different services via automatic authentication by using the same credential. However, most existing SSO schemes do not satisfy security notions or require a high trust level on a trusted third party (TTP), even though SSO has become popular in new distributed systems and computer networks. Motivated by this fact, we formalise a...
Distributed systems and networks have been adopted by telecommunications, remote educations, businesses, armies and governments. A widely applied technique for distributed systems and networks is the single sign-on (SSO) which enables a user to use a unitary secure credential (or token) to access multiple computers and systems where he/she has access permissions. However, most existing SSO schemes...
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