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ASIACRYPT
2009
Springer
9 years 9 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...
CCS
2009
ACM
10 years 3 months ago
A generic construction of useful client puzzles
Denial of Service (DoS) attacks are serious threats for network societies. For dealing with DoS attacks, Jakobsson and Juels first proposed the notion of useful client puzzles (UC...
Rui Zhang 0002, Goichiro Hanaoka, Hideki Imai
ACNS
2006
Springer
86views Cryptology» more  ACNS 2006»
9 years 6 months ago
Efficient Memory Bound Puzzles Using Pattern Databases
CPU bound client puzzles have been suggested as a defense mechanism against connection depletion attacks. However, the wide disparity in CPU speeds prevents such puzzles from being...
Sujata Doshi, Fabian Monrose, Aviel D. Rubin
PROVSEC
2015
Springer
3 years 10 months ago
Functional Signcryption: Notion, Construction, and Applications
Functional encryption (FE) enables sophisticated control over decryption rights in a multi-user scenario, while functional signature (FS) allows to enforce complex constraints on s...
Pratish Datta, Ratna Dutta, Sourav Mukhopadhyay
CTRSA
2016
Springer
80views Cryptology» more  CTRSA 2016»
3 years 11 months ago
From Stateless to Stateful: Generic Authentication and Authenticated Encryption Constructions with Application to TLS
Authentication and authenticated encryption with associated data (AEAD) are applied in cryptographic protocols to provide message integrity. The definitions in the literature and...
Colin Boyd, Britta Hale, Stig Frode Mjølsne...
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