How to construct random functions
Journal of the ACM (JACM)
Random oracles are practical: a paradigm for designing efficient protocols
CCS '93 Proceedings of the 1st ACM conference on Computer and communications security
Complete characterization of security notions for probabilistic private-key encryption
STOC '00 Proceedings of the thirty-second annual ACM symposium on Theory of computing
(Not So) Random Shuffles of RC4
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Design, Implementation and Test of an Email Virus Throttle
ACSAC '03 Proceedings of the 19th Annual Computer Security Applications Conference
Proceedings of the 2004 ACM workshop on Rapid malcode
Email prioritization: reducing delays on legitimate mail caused by junk mail
ATEC '04 Proceedings of the annual conference on USENIX Annual Technical Conference
CAPTCHA: using hard AI problems for security
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
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Email viruses (or worms) have become a severe threat to the business utility of email systems. In spite of existing countermeasures such as email virus scanners, many people (including the authors) constantly receive suspicious emails. Most, if not all, email viruses proliferate by exploiting the email address books on the infected hosts, simply because the address books are not protected by any means whatsoever. In this paper we explore a novel method to protect email systems, based on appropriately encrypting the email addresses in the email address books and email boxes (or folders). To our knowledge, this work is the first to investigate robust methods for protecting email addresses. We have implemented two prototype systems based on our method, one for a cell phone platform and the other for a desktop platform. Simulation study shows that our method is effective, even if only some users deployed our mechanisms.