Just submitted my first abstract for the NIST workshop on “Workshop on Improving Trust in the Online Marketplace” in April, the title of the talk is “Revocation reality and the path to becoming effective”, the abstract of which is:
The concept of certificate revocation is core to the X.509 trust model however 18 years after its introduction the reality is as implemented and deployed it falls short of its promise to enable an issuer certificate issuers to protect relying parties from malicious actors and miss-issuance
This talk will discuss the findings of a project where I have observed the behavior (https://revocation-report.x509labs.com), up time and performance of revocation repositories for a number of commercial Certificate Authorities for a period of over six months.
Additionally I will overview the revocation behavior of the most common browsers, identifying the gaps as they exist in those implementations.
And finally I will provide a set of recommendations that I believe if followed can address the current gaps which would move us to a world where revocation checking is an effective means of protecting relying parties from known bad actors and miss-issuance.
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