ACME protocol reference

This is a general description of the ACME protocol for STIR/SHAKEN ACME servers. For the comprehensive reference see RFC 8555 and ATIS-1000080 v4.

The steps, required to issue a new STIR/SHAKEN certificate for Service Providers (SP), are:

  1. List ACME server directory

  2. Acquire nonce

  3. Authorize on the server; Ensure that the account is active

  4. Place a new order

  5. Get challenge

  6. Submit challenge response

  7. Upload CSR

  8. Download certificate

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