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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> oauth-bounces@ietf.org [mailto:oauth-bounces@ietf.org]
<b>On Behalf Of </b>Mike Jones<br>
<b>Sent:</b> Monday, November 07, 2011 10:23 AM<br>
<b>To:</b> oauth@ietf.org<br>
<b>Subject:</b> [OAUTH-WG] OAuth 2.0 Bearer Token Specification Draft -14<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Draft 14 of the <a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.html">
OAuth 2.0 Bearer Token Specification</a> has been published. It contains the following changes:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Changes made in response to review comments by Security Area Director Stephen Farrell. Specifically:
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Strengthened warnings about passing an access token as a query parameter and more precisely described the limitations placed upon the use
of this method. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Clarified that the
</span><tt><span lang="EN" style="font-size:10.0pt">realm</span></tt><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> attribute MAY included to indicate the scope of protection in the manner described in HTTP/1.1, Part
7 <a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.html#I-D.ietf-httpbis-p7-auth">
<span style="text-decoration:none">[I‑D.ietf‑httpbis‑p7‑auth]</span></a>. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Normatively stated that "the token integrity protection MUST be sufficient to prevent the token from being modified".
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Added statement that "TLS is mandatory to implement and use with this specification" to the introduction.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Stated that TLS MUST be used with "a ciphersuite that provides confidentiality and integrity protection".
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Added "As a further defense against token disclosure, the client MUST validate the TLS certificate chain when making requests to protected
resources" to the Threat Mitigation section. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Clarified that putting a validity time field inside the protected part of the token is one means, but not the only means, of limiting the
lifetime of the token. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Dropped the confusing phrase "for instance, through the use of TLS" from the sentence about confidentiality protection of the exchanges.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Reference RFC 6125 for identity verification, rather than RFC 2818.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Stated that the token MUST be protected between front end and back end servers when the TLS connection terminates at a front end server that
is distinct from the actual server that provides the resource. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Stated that bearer tokens MUST not be stored in cookies that can be sent in the clear in the Threat Mitigation section.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Replaced sole remaining reference to
<a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.html#RFC2616"><span style="text-decoration:none">[RFC2616]</span></a>.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Replaced all references where the reference is used as if it were part of the sentence (such as "defined by [I-D.whatever]") with ones where
the specification name is used, followed by the reference (such as "defined by Whatever [I-D.whatever]").
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span lang="EN" style="font-size:10.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Other on-normative editorial improvements.
<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The draft is available at these locations:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://tools.ietf.org/html/draft-ietf-oauth-v2-bearer-14">http://tools.ietf.org/html/draft-ietf-oauth-v2-bearer-14</a><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.pdf">http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.pdf</a><o:p></o:p></p>
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</span></span></span><![endif]><a href="http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.txt">http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.txt</a><o:p></o:p></p>
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</span></span></span><![endif]><a href="http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.xml">http://www.ietf.org/internet-drafts/draft-ietf-oauth-v2-bearer-14.xml</a><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.html">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.html</a><o:p></o:p></p>
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</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.pdf">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.pdf</a><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.txt">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.txt</a><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.xml">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer-14.xml</a><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.html">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.html</a> (will point to new versions as they are posted)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.pdf">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.pdf</a> (will point to new versions as they are posted)<o:p></o:p></p>
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</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.txt">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.txt</a> (will point to new versions as they are posted)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.xml">http://self-issued.info/docs/draft-ietf-oauth-v2-bearer.xml</a> (will point to new versions as they are posted)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><a href="http://svn.openid.net/repos/specifications/oauth/2.0/">http://svn.openid.net/repos/specifications/oauth/2.0/</a> (Subversion repository, with html, pdf, txt, and html versions available)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> -- Mike<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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