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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I changed JWT and the JOSE specs to use “octet” over byte. Shall I do the same for the Connect specs? While it had previously been discussed in a JOSE context,
no one had previously suggested making this change for Connect.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> -- Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<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""> Nat Sakimura [mailto:sakimura@gmail.com]
<br>
<b>Sent:</b> Wednesday, May 15, 2013 2:56 AM<br>
<b>To:</b> John Bradley<br>
<b>Cc:</b> Mike Jones; openid-specs-ab@lists.openid.net<br>
<b>Subject:</b> Re: [Openid-specs-ab] c_hash and at_hash appear to be underspecified<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Yes. A. And I keep saying this: I prefer the word "octets" to "bytes" as a byte can be different whereas an octet is deterministic. <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal">2013/5/15 John Bradley <<a href="mailto:ve7jtb@ve7jtb.com" target="_blank">ve7jtb@ve7jtb.com</a>><o:p></o:p></p>
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<p class="MsoNormal">I think A is the intended. <br>
<br>
Sent from my iPhone<o:p></o:p></p>
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On 2013-05-15, at 11:01 AM, Mike Jones <<a href="mailto:Michael.Jones@microsoft.com" target="_blank">Michael.Jones@microsoft.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The specs use the language “hashing the "access_token"” and “hashing the "code"” when defining the at_hash and c_hash computations. As I see it, the value to be hashed could be
any of:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">A. The bytes of the ASCII representation access_token/code (which is the same as the UTF-8 representation because only ASCII characters may be used)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">B. The bytes of the little-endian UTF-16 representation of the access_token/code<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">C. The bytes of the big-endian UTF-16 representation of the access_token/code<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I assume that A is what people are actually doing, but I wanted to confirm that before clarifying the computation in the specifications.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> -- Mike<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal">_______________________________________________<br>
Openid-specs-ab mailing list<br>
<a href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a><br>
<a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab" target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><o:p></o:p></p>
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_______________________________________________<br>
Openid-specs-ab mailing list<br>
<a href="mailto:Openid-specs-ab@lists.openid.net">Openid-specs-ab@lists.openid.net</a><br>
<a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab" target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <br>
Nat Sakimura (=nat)<o:p></o:p></p>
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<p class="MsoNormal">Chairman, OpenID Foundation<br>
<a href="http://nat.sakimura.org/" target="_blank">http://nat.sakimura.org/</a><br>
@_nat_en<o:p></o:p></p>
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