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ICEIS
1999
IEEE
15 years 2 months ago
A New Method to Block Access to Illegal and Harmful Content on the Internet
: Filtering software is the most commonly used to protect children and young people from illegal and harmful contents on the Internet. Most of this software blocks access to Intern...
Byung-Jeon Yoo, Hyun-Gyoo Yook, Myong-Soon Park
EUROCRYPT
2007
Springer
15 years 2 months ago
Instance-Dependent Verifiable Random Functions and Their Application to Simultaneous Resettability
Abstract. We introduce a notion of instance-dependent verifiable random functions (InstD-VRFs for short). Informally, an InstD-VRF is, in some sense, a verifiable random function [...
Yi Deng, Dongdai Lin
GI
2007
Springer
15 years 2 months ago
A Non-Sequential Unsplittable Privacy-Protecting Multi-Coupon Scheme
: A multi-coupon (MC) represents a collection of k coupons that a user can redeem to a vendor in exchange for a benefit (some good or service). Recently, Chen et al. [CEL+ 07] prop...
Alberto N. Escalante, Hans Löhr, Ahmad-Reza S...
COMPSAC
2004
IEEE
15 years 1 months ago
A Novel Key Management Scheme for Dynamic Access Control in a User Hierarchy
Considering the solution of dynamic access problems in a user hierarchy, a novel scheme based on one-way hash function is proposed to manage the cryptographic keys in the paper. T...
Tzer-Shyong Chen, Yu-Fang Chung, Chang-Sin Tian
FSE
2010
Springer
146views Cryptology» more  FSE 2010»
15 years 1 months ago
A Unified Method for Improving PRF Bounds for a Class of Blockcipher Based MACs
This paper provides a unified framework for improving PRF (pseudorandom function) advantages of several popular MACs (message authentication codes) based on a blockcipher modeled a...
Mridul Nandi