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Versions: 00 01 02 03 04 RFC 5843

Network Working Group                                           A. Bryan
Internet-Draft                                           October 6, 2009
Intended status: Informational
Expires: April 9, 2010


  Hypertext Transfer Protocol (HTTP) Digest Algorithm Values Registry
                                 Update
           draft-bryan-http-digest-algorithm-values-update-00

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Abstract

   [RFC3230] created the IANA registry named "Hypertext Transfer
   Protocol (HTTP) Digest Algorithm Values" which defines values for



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   digest algorithms used in HTTP.  This draft adds new values to the
   registry.


Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
     1.1.  Examples  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 3
   3.  Security Considerations . . . . . . . . . . . . . . . . . . . . 4
   4.  Normative References  . . . . . . . . . . . . . . . . . . . . . 4
   Appendix A.  Acknowledgements and Contributors  . . . . . . . . . . 4
   Appendix B.  Document History (to be removed by RFC Editor
                before publication)  . . . . . . . . . . . . . . . . . 4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 4




































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1.  Introduction

   The IANA registry named "Hypertext Transfer Protocol (HTTP) Digest
   Algorithm Values" defines values for digest algorithms used in HTTP.

   This registry was created by [RFC3230] in 2002 and some useful values
   could be added to it.

   [[ Discussion of this draft should take place on IETF HTTP WG mailing
   list at ietf-http-wg@w3.org or directly to the author. ]]

1.1.  Examples

   Examples of Instance Digest for SHA-256:

   Digest: SHA-256=MWVkMWQxYTRiMzk5MDQ0MzI3NGU5NDEyZTk5OWY1ZGFmNzgyZTJlO
   DYzYjRjYzFhOTlmNTQwYzI2M2QwM2U2MQ==


2.  IANA Considerations

   This document makes use of the IANA registry named "Hypertext
   Transfer Protocol (HTTP) Digest Algorithm Values" specified in
   [RFC3230].

   Accordingly, IANA has made the following registrations:

      Digest Algorithm: SHA-224
      Description: The SHA-224 algorithm [SHS].  The output of this
      algorithm is encoded using the base64 encoding [RFC2045].
      Reference: [SHS] [RFC2045]

      Digest Algorithm: SHA-256
      Description: The SHA-256 algorithm [SHS].  The output of this
      algorithm is encoded using the base64 encoding [RFC2045].
      Reference: [SHS] [RFC2045]

      Digest Algorithm: SHA-384
      Description: The SHA-384 algorithm [SHS].  The output of this
      algorithm is encoded using the base64 encoding [RFC2045].
      Reference: [SHS] [RFC2045]

      Digest Algorithm: SHA-512
      Description: The SHA-512 algorithm [SHS].  The output of this
      algorithm is encoded using the base64 encoding [RFC2045].
      Reference: [SHS] [RFC2045]





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3.  Security Considerations

   Same as [RFC3230].


4.  Normative References

   [RFC2045]  Freed, N. and N. Borenstein, "Multipurpose Internet Mail
              Extensions (MIME) Part One: Format of Internet Message
              Bodies", RFC 2045, November 1996.

   [RFC3230]  Mogul, J. and A. Van Hoff, "Instance Digests in HTTP",
              RFC 3230, January 2002.

   [SHS]      National Institute of Standards and Technology (NIST),
              "Secure Hash Standard", FIPS PUB 180-3, October 2008, <htt
              p://csrc.nist.gov/publications/fips/fips180-3/
              fips180-3_final.pdf>.


Appendix A.  Acknowledgements and Contributors

   Thanks to Mark Nottingham, Eran Hammer-Lahav, and Nils Maier.


Appendix B.  Document History (to be removed by RFC Editor before
             publication)

   [[ to be removed by the RFC editor before publication as an RFC. ]]

   Known issues concerning this draft:
   o  Current registry: MD5 lists both RFC1521 and RFC20456 for base64
      encoding.  Should this draft update it to refer to just one?
   o  Current registry: SHA link (
      http://csrc.nist.gov/fips/fip180-1.txt ) is no longer valid.
      Should this draft update it?
   o  If we update SHA in the registry, should this draft refer to SHS
      or RFC3174?

   -00 : September 08, 2009.
   o  Initial draft.










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Author's Address

   Anthony Bryan
   Pompano Beach, FL
   USA

   Email: anthonybryan@gmail.com
   URI:   http://www.metalinker.org











































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