Tag

#ML-DSA

Certificates3 Jun 2026Let's Encrypt

Let's Encrypt bets on Merkle Tree Certificates for post-quantum HTTPS (opens the original in a new tab: Let's Encrypt)

The CA plans a staging environment in late 2026 and production in 2027, while still tracking ML-DSA X.509 certificates. Existing certificates are unaffected.

#Let's Encrypt
#MTC
#WebPKI
#ML-DSA

StandardsOct 2025RFC Editor

RFC 9881 defines how to use ML-DSA in X.509 certificates (opens the original in a new tab: RFC Editor)

The Standards Track RFC from the IETF LAMPS group specifies algorithm identifiers for ML-DSA-44, -65 and -87 in certificates and CRLs.

#IETF
#ML-DSA
#X.509
#RFC