On secure and pseudonymous client-relationships with multiple servers

Daniel Bleichenbacher, Eran Gabber, Phillip B. Gibbons, Yossi Matias, Alain Mayer

Research output: Contribution to conferencePaperpeer-review

Abstract

This paper introduces a cryptographic engine, Janus, that assists clients in establishing and maintaining secure and pseudonymous relationships with mul-tiple servers. The setting is such that clients re-side on a particular subnet (e.g., corporate intranet, ISP) and the servers reside anywhere on the Inter-net. The Janus engine allows for each client-server relationship to use either weak or strong authenti-cation on each interaction. At the same time, each interaction preserves privacy by neither revealing a client's true identity (\modulo" the subnet) nor the set of servers with which a particular client inter-acts. Furthermore, clients do not need any secure long-Term memory, enabling scalability and mobil-ity. The interaction model extends to allow servers to send data back to clients via e-mail at a later date. Hence, our results complement the functionality of current network anonymity tools and remailers.

Original languageEnglish
StatePublished - 1998
Externally publishedYes
Event3rd USENIX Workshop on Electronic Commerce, EC 1998 - Boston, United States
Duration: 31 Aug 19983 Sep 1998

Conference

Conference3rd USENIX Workshop on Electronic Commerce, EC 1998
Country/TerritoryUnited States
CityBoston
Period31/08/983/09/98

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