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NDSS
1998
IEEE
13 years 11 months ago
Enabling the Internet White Pages Service - the Directory Guardian
The Internet White Pages Service (IWPS) has been slow to materialise for many reasons. One of them is the security concerns that organisations have, over allowing the public to ga...
David W. Chadwick, Andrew J. Young
TCC
2007
Springer
125views Cryptology» more  TCC 2007»
14 years 1 months ago
Concurrently-Secure Blind Signatures Without Random Oracles or Setup Assumptions
Abstract. We show a new protocol for blind signatures in which security is preserved even under arbitrarily-many concurrent executions. The protocol can be based on standard crypto...
Carmit Hazay, Jonathan Katz, Chiu-Yuen Koo, Yehuda...
IJMI
2007
140views more  IJMI 2007»
13 years 7 months ago
Securing electronic health records without impeding the flow of information
Objective: We present an integrated set of technologies, known as the Hippocratic Database, that enable healthcare enterprises to comply with privacy and security laws without imp...
Rakesh Agrawal, Christopher M. Johnson
STOC
2004
ACM
117views Algorithms» more  STOC 2004»
14 years 7 months ago
New notions of security: achieving universal composability without trusted setup
We propose a modification to the framework of Universally Composable (UC) security [3]. Our new notion, involves comparing the protocol executions with an ideal execution involvin...
Manoj Prabhakaran, Amit Sahai
CTRSA
2007
Springer
111views Cryptology» more  CTRSA 2007»
14 years 1 months ago
A Practical and Tightly Secure Signature Scheme Without Hash Function
In 1999, two signature schemes based on the flexible RSA problem (a.k.a. strong RSA problem) were independently introduced: the Gennaro-Halevi-Rabin (GHR) signature scheme and the...
Benoît Chevallier-Mames, Marc Joye