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UPPRESSO: Untraceable and Unlinkable Privacy-PREserving Single Sign-On Services. (arXiv:2110.10396v2 [cs.CR] UPDATED)
Sept. 5, 2022, 1:20 a.m. | Chengqian Guo (1, 2 and 4), Jingqiang Lin (3), Quanwei Cai (1, 2 and 4), Wei Wang (1, 2 and 4), Fengjun Li (5), Qiongxiao Wang (1, 2 and 4), Jiwu Jing
cs.CR updates on arXiv.org arxiv.org
Single sign-on (SSO) allows a user to maintain only the credential at the
identity provider (IdP), to login to numerous RPs. However, SSO introduces
extra privacy threats, compared with traditional authentication mechanisms, as
(a) the IdP could track all RPs which a user is visiting, and (b) collusive RPs
could learn a user's online profile by linking his identities across these RPs.
This paper proposes a privacypreserving SSO system, called UPPRESSO, to protect
a user's login activities against both the …
More from arxiv.org / cs.CR updates on arXiv.org
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