Updates to the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
draft-ietf-pkix-rfc5280-clarifications-06

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Last updated 2012-07-24
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INTERNET-DRAFT                                                    P. Yee
Intended Status: Proposed Standard                                AKAYLA
Updates: 5280 (if approved)                                July 23, 2012
Expires: January 24, 2013                                               

        Updates to the Internet X.509 Public Key Infrastructure
       Certificate and Certificate Revocation List (CRL) Profile 
            <draft-ietf-pkix-rfc5280-clarifications-06.txt>

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Abstract

   This document updates RFC 5280, the Internet X.509 Public Key
   Infrastructure Certificate and Certificate Revocation List (CRL)
   Profile.  This document changes the set of acceptable encoding
   methods for the explicitText field of the user notice policy
   qualifier and clarifies the rules for converting internationalized
   domain name labels to ASCII.  This document also provides some
   clarifications on the use of self-signed certificates, trust anchors,
   and some updated security considerations.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
     1.1.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Update to RFC 5280, Section 3.2: Certification Paths and
       Trust  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
   3.  Update to RFC 5280, Section 4.2.1.4: Certificate Policies  . .  3
   4.  Update to RFC 5280, Section 6.2: Using the Path Validation
       Algorithm  . . . . . . . . . . . . . . . . . . . . . . . . . .  4
   5.  Update to RFC 5280, Section 7.3: Internationalized Domain 
       Names in Distinguished Names . . . . . . . . . . . . . . . . .  5
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . .  5
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  6
   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . .  7
     8.1.  Normative References . . . . . . . . . . . . . . . . . . .  7
     8.2.  Informative References . . . . . . . . . . . . . . . . . .  7
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . .  7
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . .  7

1.  Introduction

   This document updates the Internet X.509 Public Key Infrastructure
   Certificate and Certificate Revocation List (CRL) Profile [RFC5280].

   This document makes a recommendation that self-signed certificates
   used to convey trust anchor data be marked as CA certificates, which
   is not always current practice.

   The acceptable and unacceptable encodings for the explicitText field
   of the user notice policy qualifier are updated to bring them in line
   with existing practice.

   The use of self-signed certificates as trust anchors in Section 6.2
   is clarified. While it is optional to use additional information in
   these certificates in the path validation process, [RFC5937] is noted
 

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   as providing guidance in that regard.
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