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ASIACRYPT
2009
Springer
15 years 4 months ago
Security Notions and Generic Constructions for Client Puzzles
Computational puzzles are mildly difficult computational problems that require resources (processor cycles, memory, or both) to solve. Puzzles have found a variety of uses in secu...
Liqun Chen, Paul Morrissey, Nigel P. Smart, Bogdan...
IPTPS
2005
Springer
15 years 2 months ago
Dynamic Load Balancing in Distributed Hash Tables
In Peer-to-Peer networks based on consistent hashing and ring topology each server is responsible for an interval chosen (pseudo-)randomly on a circle. The topology of the network...
Marcin Bienkowski, Miroslaw Korzeniowski, Friedhel...
ASPLOS
2004
ACM
15 years 2 months ago
An ultra low-power processor for sensor networks
We present a novel processor architecture designed specifically for use in low-power wireless sensor-network nodes. Our sensor network asynchronous processor (SNAP/LE) is based on...
Virantha N. Ekanayake, Clinton Kelly IV, Rajit Man...
ASIACRYPT
2003
Springer
15 years 2 months ago
Sequential Key Derivation Patterns for Broadcast Encryption and Key Predistribution Schemes
Abstract. We study two closely related primitives: Broadcast Encryption and Key Predistribution Schemes (KPS). Broadcast Encryption allows a broadcaster to broadcast an encrypted m...
Nuttapong Attrapadung, Kazukuni Kobara, Hideki Ima...
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ACISP
2001
Springer
15 years 1 months ago
Private Information Retrieval Based on the Subgroup Membership Problem
Abstract. Many algorithmic problems, which are used to prove the security of a cryptographic system, are shown to be characterized as the subgroup membership problem. We then apply...
Akihiro Yamamura, Taiichi Saito