Distributed Certificate Validation

13 July 2009

Worldwide, governments and industries are deploying large-scale, public key infrastructures with the intent of improving security and increasing efficiency. These programs include initiatives resulting from the US Homeland Security Presidential Directive 12 (HSPD-12), as well as smart card-based national ID programs in a number of countries around the globe. In each case, the number of certificates will be in the 10s to 100s of millions.

This paper investigates the performance and availability issues associated with current validation architectures and presents a distributed validation approach that scales to 100s millions of certificates while reducing deployment costs by 60-80%.

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