99 search results - page 11 / 20 » An Efficient Anonymous Credential System |
CRYPTO
2006
Springer
13 years 11 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
SEC
2008
13 years 9 months ago
2008
Implementing access control efficiently and effectively in an open and distributed system is a challenging problem. One reason for this is that users requesting access to remote re...
COMPSAC
2009
IEEE
14 years 7 days ago
2009
IEEE
—Countless challenges to preserving a user’s location privacy exist and have become more important than ever before with the proliferation of handheld devices and the pervasive...
ACMICEC
2003
ACM
14 years 24 days ago
2003
ACM
This paper describes PayCash, an Internet payment system that was designed to offer strong security and privacy protection. This system is based on the concept of electronic cash,...
SACMAT
2010
ACM
14 years 10 days ago
2010
ACM
We address the problem of privacy-preserving access control in distributed systems. Users commonly reveal more personal data than strictly necessary to be granted access to online...