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Security '02 Abstract
Access and Integrity Control in a Public-Access,
High-Assurance Configuration Management System
Jonathan S. Shapiro and John Vanderburgh, Systems Research Laboratory, Johns Hopkins University
Abstract
OpenCM is a new configuration management system created to support high-assurance develop-ment
in open-source projects. Because OpenCM is designed as an open source tool, robust replica-tion
support is essential, and security requirements are somewhat unusual Ð preservation of access
is as important as prevention. Also, integrity preservation is a primary focus of the information
architecture. Because some of our supported development activities target high-assurance systems,
traceability and recovery from compromise are also vital concerns.
This paper describes the mechanisms used by OpenCM to meet these needs. While some of
the techniques used are particular to archival stores, others have potentially broader applications in
replication-based distributed systems.
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