Empirical Analysis of Certificate Revocation Lists

  • Authors:
  • Daryl Walleck;Yingjiu Li;Shouhuai Xu

  • Affiliations:
  • University of Texas at San Antonio, West San Antonio, TX 78249;Singapore Management University, Singapore, 178902;University of Texas at San Antonio, West San Antonio, TX 78249

  • Venue:
  • Proceeedings of the 22nd annual IFIP WG 11.3 working conference on Data and Applications Security
  • Year:
  • 2008

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Abstract

Managing public key certificates revocation has long been a central issue in public key infrastructures. Though various certificate revocation mechanisms have been proposed to address this issue, little effort has been devoted to the empirical analysis of real-world certificate revocation data. In this paper, we conduct such an empirical analysis based on a large amount of data collected from VeriSign. Our study enables us to understand how long a revoked certificate lives and what the difference is in the lifetime of revoked certificates by certificate types, geographic locations, and organizations. Our study also provides a solid foundation for future research on optimal management of certificate revocation for different types of certificates requested from different organizations and located in different geographic locations.