26C3 - 26C3 1.15

26th Chaos Communication Congress
Here be dragons

Benjamin Kellermann
Tag Day 3 - 2009-12-29
Raum Saal2
Beginn 21:45
Dauer 01:00
ID 3577
Veranstaltungstyp Vortrag
Track Science
Sprache der Veranstaltung englisch

Privacy-Enhanced Event Scheduling

Event schedulers, well-known from groupware and social software, typically share the problem that they disclose detailed availability patterns of their users. This talk distinguishes event scheduling from electronic voting and proposes a privacy-enhanced event scheduling scheme.

Based on superposed sending and Diffie-Hellman key agreement, it is designed to be efficient enough for practical implementations while requiring minimal trust in a central entity. Protocols to enable dynamic joining and leaving of participants are given as well as a Web 2.0 implementation is presented.

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