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ObsoletedPROPOSED STANDARDIETF stream

RFC 4210: Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 9810.

Current document in this lineage: RFC 9810 — Internet X.509 Public Key Infrastructure -- Certificate Management Protocol (CMP); RFC 9811 — Internet X.509 Public Key Infrastructure -- HTTP Transfer for the Certificate Management Protocol (CMP)

In plain English — editorial summary, not part of the RFC

This document describes the Internet X.509 Public Key Infrastructure (PKI) Certificate Management Protocol (CMP). Protocol messages are defined for X.509v3 certificate creation and management. CMP provides on-line interactions between PKI components, including an exchange between a Certification Authority (CA) and a client system. [STANDARDS-TRACK]

Document record

Document ID
RFC4210
Published
September 2005
Authors
C. Adams; S. Farrell; T. Kause; T. Mononen
Status
PROPOSED STANDARD
Stream
IETF
Area
sec
Pages
95
Also known as
—
Obsoletes:
RFC 2510
Obsoleted by:
RFC 9810
Updated by:
RFC 6712, RFC 9480, RFC 9481

Topics

Standards lineage

This document is one revision in a chain of 6 RFCs, each formally replacing the one before it.

  1. RFC 2510 (1999)
  2. RFC 4210 (2005)
  3. RFC 6712 (2012)
  4. RFC 9480 (2023)
  5. RFC 9810 (2025)
  6. RFC 9811 (2025) ✓

Read the full history of Internet X.509 Public Key Infrastructure -- HTTP Transfer for the Certificate Management Protocol (CMP) →

Referenced by

4 later RFCs formally update or obsolete part of this document.

Related documents

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About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/4210-internet-x-509-public-key-infrastructure-certificate-management-protocol-cmp