In this example: <div><br></div><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">{<br> "oauth_token": "asdfjklsdfjwoIjfk",<br> "not_after": 12345678,<br>
"user_id": 1223,<br> "profile_id": 1223 ,<br> "env" :<br> {<br> "type": "<a href="http://jsonenc.info/jss/" target="_blank" style="color: rgb(7, 77, 143); ">http://jsonenc.info/jss/</a>",<br>
"sig_params": [<br> {<br> "key_id": "<a href="http://example.com/" target="_blank" style="color: rgb(7, 77, 143); ">example.com</a>",<br> "algorithm": "HMAC-SHA256"<br>
}<br> ]<br> }<br>}</span></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">I do not think we need env. That would simplify. </span></font></div>
<div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">The reason why we put everything inside the payload was that we thought it would be easier to process. I am open to both ways. </span></font></div>
<div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">What do others think? </span></font></div>
<div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">=nat</span></font></div>
<div><br><div class="gmail_quote">On Wed, Oct 6, 2010 at 12:40 AM, nara hideki <span dir="ltr"><<a href="mailto:hdknr@ic-tact.co.jp">hdknr@ic-tact.co.jp</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi, Nat,<br>
<br>
This revision of envelope is literally "envelope" in which parameters<br>
in concern are held as JSON object in "payload".<br>
But it looks more simpler to me if all signing parameters are held as<br>
a JSON object in the concerned data. I mean that the following sample<br>
:<br>
<br>
{<br>
"type": "<a href="http://jsonenc.info/jss/" target="_blank">http://jsonenc.info/jss/</a>",<br>
"sig_params": [<br>
{<br>
"key_id": "<a href="http://example.com" target="_blank">example.com</a>",<br>
"algorithm": "HMAC-SHA256"<br>
}<br>
],<br>
"payload": {<br>
"oauth_token": "asdfjklsdfjwoIjfk",<br>
"not_after": 12345678,<br>
"user_id": 1223,<br>
"profile_id": 1223<br>
}<br>
}<br>
<br>
can be simplified in this JSON:<br>
<br>
{<br>
"oauth_token": "asdfjklsdfjwoIjfk",<br>
"not_after": 12345678,<br>
"user_id": 1223,<br>
"profile_id": 1223 ,<br>
"env" :<br>
{<br>
"type": "<a href="http://jsonenc.info/jss/" target="_blank">http://jsonenc.info/jss/</a>",<br>
"sig_params": [<br>
{<br>
"key_id": "<a href="http://example.com" target="_blank">example.com</a>",<br>
"algorithm": "HMAC-SHA256"<br>
}<br>
]<br>
}<br>
}<br>
<br>
because if the original parameters without a signature can be following :<br>
<br>
{<br>
"oauth_token": "asdfjklsdfjwoIjfk",<br>
"not_after": 12345678,<br>
"user_id": 1223,<br>
"profile_id": 1223<br>
}<br>
<br>
>From the programming effort's point of view, it doesn't make any difference.<br>
But JSON text looks simpler.<br>
<br>
We don't have to define holding parameter name as "env" because JSS<br>
JSON object MUST have<br>
"type". In Python, this code can be tell whether a JSON is JSS-envloped or not:<br>
<br>
>>> j=simplejson.loads( source_json_text )<br>
>>> True in [ type(v)==dict and v.has_key('type') and v['type'] == "<a href="http://jsonenc.info/jss/" target="_blank">http://jsonenc.info/jss/</a>" for k,v in j.iteritems()]<br>
True<br>
<br>
A drawback is a fact that "env" dosen't look literally an envelope.<br>
<br>
---<br>
hideki<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Nat Sakimura (=nat)<br><a href="http://www.sakimura.org/en/">http://www.sakimura.org/en/</a><br><a href="http://twitter.com/_nat_en">http://twitter.com/_nat_en</a><br>
</div>