RFC 2659 (rfc2659) - Page 1 of 4

Security Extensions For HTML

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Network Working Group                                         E. Rescorla
Requests for Comments: 2659                                    RTFM, Inc.
Category: Experimental                                       A. Schiffman
                                                     Terisa Systems, Inc.
                                                              August 1999


                      Security Extensions For HTML

Status of this Memo

   This memo defines an Experimental Protocol for the Internet
   community.  It does not specify an Internet standard of any kind.
   Discussion and suggestions for improvement are requested.
   Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (1999).  All Rights Reserved.

Abstract

   This memo describes a syntax for embedding S-HTTP negotiation
   parameters in HTML documents.  S-HTTP, as described by RFC 2660,
   contains the concept of negotiation headers which reflect the
   potential receiver of a message's preferences as to which crypto-
   graphic enhancements should be applied to the message. This document
   describes a syntax for binding these negotiation parameters to HTML
   anchors.

   1.  Introduction

   2.  Anchor Attributes

   We define the following new anchor (and form submission) attributes:

        DN -- The distinguished name of the principal for whom the
        request should be encrypted when dereferencing the anchor's url.
        This need not be specified, but failure to do so runs the risk
        that the client will be unable to determine the DN and therefore
        will be unable to encrypt.  This should be specified in the form
        of RFC 1485, using SGML quoting conventions as needed.

        NONCE -- A free-format string (appropriately SGML quoted) which
        is to be included in a SHTTP-Nonce: header (after SGML quoting
        is removed) when the anchor is dereferenced.

        CRYPTOPTS -- Cryptographic option information as described in



Rescorla & Schiffman          Experimental
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