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ACNS
2009
Springer
142views Cryptology» more  ACNS 2009»
15 years 5 months ago
Group Key Exchange Enabling On-Demand Derivation of Peer-to-Peer Keys
We enrich the classical notion of group key exchange (GKE) protocols by a new property that allows each pair of users to derive an independent peer-to-peer (p2p) key on-demand and ...
Mark Manulis
ACSAC
2005
IEEE
15 years 4 months ago
PorKI: Making User PKI Safe on Machines of Heterogeneous Trustworthiness
As evidenced by the proliferation of phishing attacks and keystroke loggers, we know that human beings are not wellequipped to make trust decisions about when to use their passwor...
Sara Sinclair, Sean W. Smith
INDOCRYPT
2009
Springer
15 years 5 months ago
Reusing Static Keys in Key Agreement Protocols
Abstract. Contrary to conventional cryptographic wisdom, the NIST SP 800-56A standard explicitly allows the use of a static key pair in more than one of the key establishment proto...
Sanjit Chatterjee, Alfred Menezes, Berkant Ustaogl...
EUROCRYPT
2009
Springer
15 years 11 months ago
Cube Attacks on Tweakable Black Box Polynomials
Almost any cryptographic scheme can be described by tweakable polynomials over GF(2), which contain both secret variables (e.g., key bits) and public variables (e.g., plaintext bit...
Itai Dinur, Adi Shamir
CODASPY
2012
13 years 7 months ago
Comparison-based encryption for fine-grained access control in clouds
Access control is one of the most important security mechanisms in cloud computing. However, there has been little work that explores various comparison-based constraints for regu...
Yan Zhu, Hongxin Hu, Gail-Joon Ahn, Mengyang Yu, H...