ca3s is a CA system with a flexible RA part based on BPM aiming to automate as much as possible. Therefore providing ACME and SCEP interfaces in addition to the usual web form. Aggregating certificate sets from different sources and using CMP-connected CAs or ADCS instances for certificate creation. The ca3s core server is based on spring boot 2.x and jHipster
According to RFC8555 there are the options
both options are not supported, yet!