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Alternative Challenge Password Attributes for Enrollment over Secure Transport (RFC7894)

IP.com Disclosure Number: IPCOM000246761D
Original Publication Date: 2016-Jun-01
Included in the Prior Art Database: 2016-Jun-29
Document File: 20 page(s) / 20K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Pritikin: AUTHOR [+2]

Abstract

"PKCS #9: Selected Object Classes and Attribute Types Version 2.0" [RFC2985] defined a challengePassword attribute that has been overloaded by modern protocol usage with the appropriate interpretation being provided by context rather than OID definition. PKCS #9 defines the challengePassword attribute as "a password by which an entity may request certificate revocation". The parsing and embedding of this attribute within Certificate Signing Requests is well supported by common PKI toolsets, but many workflows leverage this supported field as a one-time password for authentication. For example, this is codified in many Simple Certificate Enrollment Protocol (SCEP) implementations as indicated by [SCEP]. Continuing this trend, Enrollment over Secure Transport (EST) [RFC7030] defines an additional semantic for the challengePassword attribute in Section 3.5, in order to provide a linking of the Certificate Signing Request (CSR) to the secure transport.

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Internet Engineering Task Force (IETF)                       M. Pritikin Request for Comments: 7894                           Cisco Systems, Inc. Category: Standards Track                                     C. Wallace ISSN: 2070-1721                                 Red Hound Software, Inc.                                                                June 2016

                Alternative Challenge Password Attributes                   for Enrollment over Secure Transport

Abstract

   This document defines a set of new Certificate Signing Request    attributes for use with the Enrollment over Secure Transport (EST)    protocol.  These attributes provide disambiguation of the existing    overloaded uses for the challengePassword attribute defined in "PKCS    #9: Selected Object Classes and Attribute Types Version 2.0" (RFC    2985).  Uses include the original certificate revocation password,    common authentication password uses, and EST-defined linking of    transport security identity.

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 7841.

   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/rfc7894.

Pritikin & Wallace           Standards Track                    [Page 1]
 RFC 7894      EST Alternative Challenge Password Attributes    June 2016

 Copyright Notice

   Copyright (c) 2016 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 ....................................................3

   2. Terminology .....................................................4

   3. Alternative Challenge Password Attributes ......................