What Does "L1K" indicate on an Entrust Certificate
It's simply the name of the certificate authority. They could just as well have been called "Entrust Certificate Authority - Foo (Non-EV SSL)" and "Entrust Certificate Authority - Bar (EV SSL)".
I'd guess that L1 stands for "level 1", and they then add on a letter to differentiate between their CAs. But for anyone outside of Entrust, it's just a name.
Flux
Updated on September 18, 2022Comments
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Flux over 1 year
I was working with a teammate importing certificates into a java keystore and I noticed our intermediate certificate had the ".L1K" notation, was then about to import into our Java application's keystore and saw there was another 'entrustl1k' certificate in the same keystore. So I wanted to find out what that means.
I found some information on Entrust's site here: https://www.entrustdatacard.com/pages/root-certificates-download that it might indicate it's a 'Non Extended Validation Certificate here: Entrust Certificate Authority ‐ L1K (Non‐EV SSL)'
However just beneath that line there was another "Non-EV SSL" cert download link with the 'L1M' notation. "Entrust Certificate Authority ‐ L1M (EV SSL)"
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Aaron Hudon over 5 yearsIn the Entrust CPS are quite a few certificates mentioned, it looks indeed that L1 stands for the subordinate certificates and the last letter is the generation (increased over the years)
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Flux over 5 yearsThank you! I had a hard time finding any documentation on on this, even on Entrust's site.