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DBSEC
1996
125views Database» more  DBSEC 1996»
15 years 7 months ago
A Framework for High Assurance Security of Distributed Objects
High assurance security is di cult to achieve in distributed computer systems and databases because of their complexity, non-determinism and inherent heterogeneity. The practical ...
John Hale, Jody Threet, Sujeet Shenoi
IJISEC
2007
88views more  IJISEC 2007»
15 years 6 months ago
Secure group key establishment revisited
Abstract. We examine the popular proof models for group key establishment of Bresson et al. [BCPQ01,BCP01] and point out missing security properties addressing malicious protocol p...
Jens-Matthias Bohli, Maria Isabel Gonzalez Vasco, ...
CCS
2010
ACM
16 years 1 months ago
Cryptographic role-based security mechanisms based on role-key hierarchy
Even though role-based access control (RBAC) can tremendously help us minimize the complexity in administering users, it is still needed to realize the notion of roles at the reso...
Yan Zhu, Gail-Joon Ahn, Hongxin Hu, Huaixi Wang
CHI
2011
ACM
14 years 10 months ago
More than skin deep: measuring effects of the underlying model on access-control system usability
In access-control systems, policy rules conflict when they prescribe different decisions (ALLOW or DENY) for the same access. We present the results of a user study that demonstr...
Robert W. Reeder, Lujo Bauer, Lorrie Faith Cranor,...
PKC
2004
Springer
106views Cryptology» more  PKC 2004»
15 years 11 months ago
On the Security of Multiple Encryption or CCA-security+CCA-security=CCA-security?
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
Rui Zhang 0002, Goichiro Hanaoka, Junji Shikata, H...