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CCS
2004
ACM
15 years 11 months ago
Mitigating bandwidth-exhaustion attacks using congestion puzzles
d Abstract) XiaoFeng Wang∗ Michael K. Reiter† We present congestion puzzles (CP), a new countermeasure to bandwidth-exhaustion attacks. Like other defenses based on client puz...
XiaoFeng Wang, Michael K. Reiter
IPPS
2003
IEEE
15 years 11 months ago
Are E-Commerce Users Defenceless?
We are interested in new ways of threats and attack on the e-commerce. The server side of e-commerce platform is usually very well protected and secured. Unfortunately, this is no...
Matej Trampus, Mojca Ciglaric, Matjaz Pancur, Tone...
PQCRYPTO
2010
250views Cryptology» more  PQCRYPTO 2010»
15 years 10 months ago
Strongly Unforgeable Signatures and Hierarchical Identity-Based Signatures from Lattices without Random Oracles
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
Markus Rückert
CSFW
2009
IEEE
15 years 10 months ago
Authentication without Elision: Partially Specified Protocols, Associated Data, and Cryptographic Models Described by Code
Specification documents for real-world authentication protocols typically mandate some aspects of a protocol's behavior but leave other features optional or undefined. In add...
Phillip Rogaway, Till Stegers
GLOBECOM
2009
IEEE
15 years 10 months ago
Multi-Path Key Establishment against REM Attacks in Wireless Ad Hoc Networks
Secure communications in wireless ad hoc networks require setting up end-to-end secret keys for communicating node pairs. Due to physical limitations and scalability requirements, ...
Tian Lan, Ruby B. Lee, Mung Chiang