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» On the Reachability Problem in Cryptographic Protocols
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DIM
2005
ACM
13 years 9 months ago
Establishing and protecting digital identity in federation systems
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
IAT
2006
IEEE
14 years 1 months ago
Trust Negotiations with Customizable Anonymity
Trust negotiation makes it possible for two parties to carry on secure transactions by first establishing trust through a bilateral, iterative process of requesting and disclosin...
Anna Cinzia Squicciarini, Abhilasha Bhargav-Spantz...
CTRSA
2001
Springer
122views Cryptology» more  CTRSA 2001»
13 years 12 months ago
Password Authentication Using Multiple Servers
Safe long-term storage of user private keys is a problem in client/server systems. The problem can be addressed with a roaming system that retrieves keys on demand from remote cred...
David P. Jablon
CRYPTO
2009
Springer
122views Cryptology» more  CRYPTO 2009»
14 years 2 months ago
Utility Dependence in Correct and Fair Rational Secret Sharing
The problem of carrying out cryptographic computations when the participating parties are rational in a game-theoretic sense has recently gained much attention. One problem that h...
Gilad Asharov, Yehuda Lindell
DCC
2001
IEEE
14 years 7 months ago
Cryptography in Quadratic Function Fields
We describe several cryptographic schemes in quadratic function fields of odd characteristic. In both the real and the imaginary representation of such a field, we present a Diffi...
Renate Scheidler