Certificate Management over CMS (CMC)
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From: The IESG <email@example.com> To: IETF-Announce <firstname.lastname@example.org> Cc: Internet Architecture Board <email@example.com>, RFC Editor <firstname.lastname@example.org>, pkix mailing list <email@example.com>, pkix chair <firstname.lastname@example.org> Subject: Protocol Action: 'Certificate Management Messages over CMS' to Proposed Standard The IESG has approved the following documents: - 'Certificate Management Messages over CMS ' <draft-ietf-pkix-2797-bis-08.txt> as a Proposed Standard - 'Certificate Managmement Messages over CMS (CMC): Complience Requirements ' <draft-ietf-pkix-cmc-compl-06.txt> as a Proposed Standard - 'Certificate Management over CMS (CMC): Transport Protocols ' <draft-ietf-pkix-cmc-trans-09.txt> as a Proposed Standard These documents are products of the Public-Key Infrastructure (X.509) Working Group. The IESG contact persons are Tim Polk and Pasi Eronen. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-pkix-2797-bis-08.txt
Technical Summary This document series obsoletes RFC 2797, "Certificate Management Protocol over CMS" (CMC). The update to CMC addresses two needs within the Internet PKI community: 1. The need for an interface to public key certification products and services based on CMS and PKCS #10; and 2. The need in S/MIME for a certificate enrollment protocol for DSA-signed certificates with Diffie-Hellman public keys. The updated CMC protocol preserves full backwards compatibility with RFC 2797. No features defined in RFC 2797 have been changed, only new features have been added. The compliance document updates and expands the compliance requirements specified in RFC 2797. The compliance requirements specified in this document have expanded scope and increased detail to ensure interoperability of future implementations. The transport protocol document updates the transport mechanisms defined in RFC 2797. The technical content is essentially unchanged from RFC 2797, but was separated from the message formats for process reasons. The transport mechanisms described in this document are HTTP, file, mail, and TCP. Working Group Summary These documents are a product of the PKIX Working Group, which has extensively reviewed this technical content. All PKIX WG Last Call issues have been resolved. Discussion during PKIX WG Last Call demonstrated working group consensus. This document has strong PKIX WG support. Protocol Quality These documents reflect implementation experience, and address important details not previously included in RFC 2797. Based on the implementation experience, this specification is complete, and it is sufficient to achieve expected levels of interoperability. This document series was reviewed by Russ Housley and Tim Polk for the IESG. RFC Editor Note In Section 5 of draft-ietf-pkix-cmc-trans, please make the following substitution: OLD: The connection is closed by the client after recieving a final response. If a second round of messages is needed, the client can either re-use the same connection or use a new one. NEW: The client closes a connection after receiving a response, or it issues another request to the server using the same connection. Reusing one connection for multiple successive requests, instead of opening multiple connections that are only used for a single request, is RECOMMENDED for performance and resource conservation reasons. A server MAY close a connection after it has been idle for some period of time; this timeout would typically be several minutes long.