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Verifiable Audit Trails for a Versioning File System Randal Burns, Zachary Peterson, Giuseppe Ateniese, Stephen Bono
 

Summary: Verifiable Audit Trails for a Versioning File System
Randal Burns, Zachary Peterson, Giuseppe Ateniese, Stephen Bono
Department of Computer Science
The Johns Hopkins University
ABSTRACT
We present constructs that create, manage, and verify dig-
ital audit trails for versioning file systems. Based upon a
small amount of data published to a third party, a file system
commits to a version history. At a later date, an auditor uses
the published data to verify the contents of the file system at
any point in time. Audit trails create an analog of the paper
audit process for file data, helping to meet the requirements
of electronic record legislation, such as Sarbanes-Oxley. Our
techniques address the I/O and computational efficiency of
generating and verifying audit trails, the aggregation of au-
dit information in directory hierarchies, and constructing
verifiable audit trails in the presence of lost data.
Categories and Subject Descriptors
D.4.3 [Operating Systems]: File Systems Management--
Access methods, Directory Structure; D.2.7 [Software En-

  

Source: Ateniese, Giuseppe - Department of Computer Science, Johns Hopkins University

 

Collections: Computer Technologies and Information Sciences