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Updates for RSAES-OAEP and RSASSA-PSS Algorithm Parameters
RFC 5756

Document type: RFC - Proposed Standard (January 2010; Errata)
Updates RFC 4055
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: RFC 5756 (Proposed Standard)
Responsible AD: Pasi Eronen
Send notices to: pkix-chairs@tools.ietf.org, draft-ietf-pkix-rfc4055-update@tools.ietf.org

Internet Engineering Task Force (IETF)                         S. Turner
Request for Comments: 5756                                          IECA
Updates: 4055                                                   D. Brown
Category: Standards Track                                       Certicom
ISSN: 2070-1721                                                   K. Yiu
                                                               Microsoft
                                                              R. Housley
                                                          Vigil Security
                                                                 T. Polk
                                                                    NIST
                                                            January 2010

       Updates for RSAES-OAEP and RSASSA-PSS Algorithm Parameters

Abstract

   This document updates RFC 4055.  It updates the conventions for using
   the RSA Encryption Scheme - Optimal Asymmetric Encryption Padding
   (RSAES-OAEP) key transport algorithm in the Internet X.509 Public Key
   Infrastructure (PKI).  Specifically, it updates the conventions for
   algorithm parameters in an X.509 certificate's subjectPublicKeyInfo
   field.

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/rfc5756.

Copyright Notice

   Copyright (c) 2010 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

Turner, et al.              Standards Track                     [Page 1]
RFC 5756                    RFC 4055 Update                 January 2010

   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.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

1.  Introduction

   RFC 4055 specifies conventions for using the RSA Encryption Scheme -
   Optimal Asymmetric Encryption Padding (RSAES-OAEP) key transport
   algorithm in the Internet X.509 Public Key Infrastructure (PKI).  It
   provides algorithm identifiers and parameters for RSAES-OAEP.

   This document updates the conventions for RSAES-OAEP parameters in
   the subjectPublicKeyInfo field of an X.509 certificate.  The PKIX WG
   Elliptic Curve Cryptography (ECC) design team recommended that Key
   Derivation Functions (KDFs) should not be constrained within a
   certificate; rather, KDF constraints should be negotiated in
   protocols that need to employ certificates.

   Only two paragraphs in [RFC4055] discuss RSAES-OAEP parameters in
   X.509 certificates: the second paragraph of Section 4 and the first
   paragraph of Section 4.1.  This document only updates these two
   paragraphs.  Section 3 updates the second paragraph in Section 4 of
   [RFC4055], while Section 4 updates the second paragraph in Section
   4.1 of [RFC4055].  "Old:" prefaces the text to be replaced and "New:"
   prefaces the replacement text.

   This document also replaces incorrect references to the
   publicKeyAlgorithms field in Section 3 with references to the
   parameters field in the subjectPublicKeyInfo algorithm field.
   Section 3 also rewords the second and third paragraphs for clarity.

Turner, et al.              Standards Track                     [Page 2]

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