R12

Let's Encrypt R12

X.509, ASN.1, openssl x509, .pem, der, PFX, PKCS, SAN, openssl x509, CSR, Java KeyStore (JKS), Certificate Revocation List (CRL), Extended Key Usages (ECU), PKIX

Certificate, certificate extensions (.pem, .pfx, .p8, .p12), CSR, .csr, root certificate, public certificate, Kubernetes certificate authentication