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The State of CRLs Today

Certificate Revocation Lists (CRLs) are a way for Certificate Authorities to announce to their relying parties (e.g., users validating the certificates) that a Certificate they issued should no longer be trusted. E.g., was revoked.

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Published 2017-08-18

Analyzing Let's Encrypt statistics via Map/Reduce

I’ve been supplying the statistics for Let’s Encrypt since they’ve launched. In Q4 of 2016 their volume of certificates exceeded the ability of my database server to cope, and I moved it to an Amazon RDS instance.

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Published 2017-05-16