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Anonymity without ‘Cryptography’
Extended Abstract

Dahlia MalkhiContact Information and Elan PavlovContact Information

(5)  School of Computer Science and Engineering, The Hebrew University of Jerusalem, Israel
Abstract
This paper presents a technique for providing users with anonymity tools without using conventional cryptography. The method, Anonymous Multi Party Computation (AMPC), provides a generic building block for providing electronic anonymity in various applications, e.g., electronic voting and oblivious transfer. It uses a variation of Chaum’s mix-nets that utilizes value-splitting to hide inputs, and hence requires no “conditionally-secure” operations of its users. This is achieved under the assumption that there are secure channels between good participants, and under a suitable resilience threshold assumption that, in our worst adversarial scenario, is a square-root of the system.

Contact Information Dahlia Malkhi
Email: dalia@cs.huji.ac.il

Contact Information Elan Pavlov
Email: elan@cs.huji.ac.il
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