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EXPCS
2007
14 years 28 days ago
Towards user-centric metrics for denial-of-service measurement
To date, the measurement of user-perceived degradation of quality of service during denial of service (DoS) attacks remained an elusive goal. Current approaches mostly rely on low...
Jelena Mirkovic, Alefiya Hussain, Brett Wilson, So...
SACMAT
2009
ACM
14 years 3 months ago
Symbolic reachability analysis for parameterized administrative role based access control
Role based access control (RBAC) is a widely used access control paradigm. In large organizations, the RBAC policy is managed by multiple administrators. An administrative role ba...
Scott D. Stoller, Ping Yang, Mikhail I. Gofman, C....
STOC
2010
ACM
193views Algorithms» more  STOC 2010»
14 years 14 days ago
Privacy Amplification with Asymptotically Optimal Entropy Loss
We study the problem of "privacy amplification": key agreement between two parties who both know a weak secret w, such as a password. (Such a setting is ubiquitous on th...
Nishanth Chandran, Bhavana Kanukurthi, Rafail Ostr...
JUCS
2008
156views more  JUCS 2008»
13 years 9 months ago
Efficient k-out-of-n Oblivious Transfer Schemes
Abstract: Oblivious transfer is an important cryptographic protocol in various security applications. For example, in on-line transactions, a k-out-of-n oblivious transfer scheme a...
Cheng-Kang Chu, Wen-Guey Tzeng
TC
2008
13 years 9 months ago
Cryptanalysis with COPACOBANA
Cryptanalysis of ciphers usually involves massive computations. The security parameters of cryptographic algorithms are commonly chosen so that attacks are infeasible with availabl...
Tim Güneysu, Timo Kasper, Martin Novotn&yacut...