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DASFAA
2006
IEEE
134views Database» more  DASFAA 2006»
14 years 1 months ago
Authentication of Outsourced Databases Using Signature Aggregation and Chaining
Database outsourcing is an important emerging trend which involves data owners delegating their data management needs to an external service provider. Since a service provider is a...
Maithili Narasimha, Gene Tsudik
PKC
2010
Springer
150views Cryptology» more  PKC 2010»
13 years 11 months ago
Security of Encryption Schemes in Weakened Random Oracle Models
Liskov proposed several weakened versions of the random oracle model, called weakened random oracle models (WROMs), to capture the vulnerability of ideal compression functions, wh...
Akinori Kawachi, Akira Numayama, Keisuke Tanaka, K...
PKC
2007
Springer
111views Cryptology» more  PKC 2007»
14 years 1 months ago
Optimistic Fair Exchange in a Multi-user Setting
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Yevgeniy Dodis, Pil Joong Lee, Dae Hyun Yum
IACR
2011
136views more  IACR 2011»
12 years 7 months ago
Trapdoors for Lattices: Simpler, Tighter, Faster, Smaller
We give new methods for generating and using “strong trapdoors” in cryptographic lattices, which are simultaneously simple, efficient, easy to implement (even in parallel), a...
Daniele Micciancio, Chris Peikert
CARDIS
2010
Springer
162views Hardware» more  CARDIS 2010»
13 years 11 months ago
On the Design and Implementation of an Efficient DAA Scheme
Abstract. Direct Anonymous Attestation (DAA) is an anonymous digital signature scheme that aims to provide both signer authentication and privacy. One of the properties that makes ...
Liqun Chen, Dan Page, Nigel P. Smart