Does Let's Encrypt use FIPS certified hardware and software?

Hi Let’s Encrypt Team,

I would like to know if the CA uses a FIPS certified HSM and encryption software or not. If another standard is followed, can you identify it?

Thank You,
Ken Peirce

Hi @KPeirce,

We mention that our HSMs are FIPS certified in our Certification Practice Statement (CPS) document

6.2.1 Cryptographic module standards and controls
ISRG uses HSMs meeting FIPS 140-2 Level 3 (or higher) requirements.

Hope that helps!

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