Review and Revocation of Access Privileges Distributed with PKI Certificates
Revised Papers from the 8th International Workshop on Security Protocols
On Certificate Revocation and Validation
FC '98 Proceedings of the Second International Conference on Financial Cryptography
SPKI Performance and Certificate Chain Reduction
Informatik bewegt: Informatik 2002 - 32. Jahrestagung der Gesellschaft für Informatik e.v. (GI)
A Certificate Revocation Scheme for a Large-Scale Highly Replicated Distributed System
ISCC '03 Proceedings of the Eighth IEEE International Symposium on Computers and Communications
CSFW '01 Proceedings of the 14th IEEE workshop on Computer Security Foundations
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Public Key Infrastructure (PKI) and Privilege Management Infrastructure (PMI) can respectively be used to support authentication and authorization in distributed scenarios. The validation of certificate chains is a critical issue in both infrastructures, because it requires several costly processes, such as certificate path discovery, validation of each certificate, and so on. The problem becomes even worst in devices with limited resources (battery, memory, computational capacity, etc.) as mobile devices. In this paper we present an architecture that reduces the communication and computational overhead of certificate status checking in a complete certificate chain. The proposed tracing of the certificates chains is based on a cascade certificate revocation policy.