X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP
RFC 6960
| Document | Type |
RFC - Proposed Standard
(June 2013; Errata)
Updates RFC 5912
|
|
|---|---|---|---|
| Last updated | 2019-05-24 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Reviews | |||
| Stream | WG state | WG Document | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 6960 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Sean Turner | ||
| IESG note | Document Shepherd: Steve Kent (kent@bbn.com) | ||
| Send notices to | (None) | ||
| IANA | IANA review state | IANA - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Internet Engineering Task Force (IETF) S. Santesson
Request for Comments: 6960 3xA Security
Obsoletes: 2560, 6277 M. Myers
Updates: 5912 TraceRoute Security
Category: Standards Track R. Ankney
ISSN: 2070-1721
A. Malpani
CA Technologies
S. Galperin
A9
C. Adams
University of Ottawa
June 2013
X.509 Internet Public Key Infrastructure
Online Certificate Status Protocol - OCSP
Abstract
This document specifies a protocol useful in determining the current
status of a digital certificate without requiring Certificate
Revocation Lists (CRLs). Additional mechanisms addressing PKIX
operational requirements are specified in separate documents. This
document obsoletes RFCs 2560 and 6277. It also updates RFC 5912.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6960.
Santesson, et al. Standards Track [Page 1]
RFC 6960 PKIX OCSP June 2013
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction ....................................................4
1.1. Requirements Language ......................................5
2. Protocol Overview ...............................................5
2.1. Request ....................................................5
2.2. Response ...................................................6
2.3. Exception Cases ............................................8
2.4. Semantics of thisUpdate, nextUpdate, and producedAt ........9
2.5. Response Pre-Production ....................................9
2.6. OCSP Signature Authority Delegation .......................10
2.7. CA Key Compromise .........................................10
3. Functional Requirements ........................................10
3.1. Certificate Content .......................................10
3.2. Signed Response Acceptance Requirements ...................10
4. Details of the Protocol ........................................11
4.1. Request Syntax ............................................11
4.1.1. ASN.1 Specification of the OCSP Request ............11
4.1.2. Notes on OCSP Requests .............................13
4.2. Response Syntax ...........................................14
4.2.1. ASN.1 Specification of the OCSP Response ...........14
4.2.2. Notes on OCSP Responses ............................16
4.2.2.1. Time ......................................16
4.2.2.2. Authorized Responders .....................16
4.2.2.2.1. Revocation Checking of
an Authorized Responder ........17
4.2.2.3. Basic Response ............................18
4.3. Mandatory and Optional Cryptographic Algorithms ...........19
Santesson, et al. Standards Track [Page 2]
RFC 6960 PKIX OCSP June 2013
4.4. Extensions ................................................19
4.4.1. Nonce ..............................................20
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