**To list the available certificates** The following ``describe-certificates`` example lists the available certificates in your AWS account. :: aws dms describe-certificates Output:: { "Certificates": [ { "CertificateIdentifier": "my-cert", "CertificateCreationDate": 1543259542.506, "CertificatePem": "-----BEGIN CERTIFICATE-----\nMIID9DCCAtygAwIBAgIBQjANBgkqhkiG9w0BAQ ...U" ... remaining output omittted ... } ] } For more information, see `Using SSL <https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Security.html#CHAP_Security.SSL>`__ in the *AWS Database Migration Service User Guide*.