step-ca 0.15.15-2 (arm64 binary) in ubuntu kinetic

 step-ca is and online certificate authority for secure, automated certificate
 management.
 .
 You can use it to:
  - Issue X.509 certificate for your internal infrastructure
    - HTTPS certificate that work in browsers
    - TLS certificates for virtual machines, containers, APIs, mobile clients,
      database connections, printers, Wi-Fi networks, toaster ovens...
    - Client certificates to enable mutual TLS (mTLS) in your infrastrucure.
  - Issue SSH certificates
    - For people, in exchange for single sign-on ID tokens
    - For hosts, in exchange for cloud instance identity documents
  - Easily automate certificate management:
    - It's an ACME v2 server
    - It has a JSON API
 .
 Documentation: https://smallstep.com/docs/step-ca/getting-started