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» On the Reachability Problem in Cryptographic Protocols
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DIM
2005
ACM
15 years 6 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
15 years 10 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»
15 years 8 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»
15 years 10 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
16 years 3 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