FC
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. We introduce the notion of tamper-evidence for mix networks in order to defend against attacks aimed at covertly leaking secret information held by corrupted mix servers....
FC
2006
Springer
13 years 9 months ago
2006
Springer
With the increasing importance of correctly handling privacy-sensitive data, significant work has been put in expressing and enforcing privacy policies. Less work has been done ho...
FC
2006
Springer
13 years 9 months ago
2006
Springer
FC
2006
Springer
13 years 9 months ago
2006
Springer
In this paper, we present a broadcast encryption scheme with efficient transmission cost under the log-key restriction. Given n users and r revoked users, our scheme has the trans...
FC
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. At FC'05, Chen et al. introduced an elegant privacy protecting coupon (PPC) system, CESSS05 [13], in which users can purchase multi-coupons and redeem them unlinkabl...