Now showing items 2-5 of 5

    • Distributed Certificate-Chain Discovery in SPKI/SDSI 

      Schwoon, Stefan; Wang, Hao; Jha, Somesh; Reps, Thomas (University of Wisconsin-Madison Department of Computer Sciences, 2005)
      The authorization problem is to decide whether, according to a security policy, some principal should be allowed access to a resource. In the trust-management system SPKI/SDSI, the security policy is given by a set of ...
    • Reducing the Dependence of Trust-Management Systems on PKI 

      Wang, Hao; Jha, Somesh; Reps, Thomas; Schwoon, Stefan; Stubblebine, Stuart (University of Wisconsin-Madison Department of Computer Sciences, 2005)
      Trust-management systems address the authorization problem in distributed systems by defining a formal language for expressing authorization and access-control policies, and relying on an algorithm to determine when a ...
    • Security Policy Reconciliation in Distributed Computing Environments 

      Wang, Hao; Jha, Somesh; Livny, Miron; McDaniel, Patrick (University of Wisconsin-Madison Department of Computer Sciences, 2004)
      A major hurdle in sharing resources between organizations is heterogeneity. Therefore, in order for two organizations to collaborate their policies have to be resolved. The process of resolving different policies is known ...
    • Towards Discovering and Containing Privacy Violations in Software 

      Kruger, Louis; Wang, Hao; Jha, Somesh (University of Wisconsin-Madison Department of Computer Sciences, 2004)
      Malicious code can wreak havoc on our cyberinfrastructure. Hence, discovering and containing malicious code is an important goal. This paper focuses on privacy-violating malicious code. Examples of privacy violations ...