To connect Infisical to DigiCert, follow the steps in the ACME-compatible CA integration guide but use the DigiCert ACME Directory URL: https://acme.digicert.com/v2/acme/directory.DigiCert requires External Account Binding (EAB) for all ACME registrations. You will need to obtain both a Key Identifier (KID) and an HMAC Key from your DigiCert account before registering the ACME CA in Infisical.DigiCert typically issues certificates with a 90-day validity period.