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| <html><head><title>Python: module gdata.tlslite.utils.hmac</title> |
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| <font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="gdata.html"><font color="#ffffff">gdata</font></a>.<a href="gdata.tlslite.html"><font color="#ffffff">tlslite</font></a>.<a href="gdata.tlslite.utils.html"><font color="#ffffff">utils</font></a>.hmac</strong></big></big></font></td |
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| ><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/usr/local/google/home/afshar/src/external-gdata-release/google3/src/gdata/tlslite/utils/hmac.py">/usr/local/google/home/afshar/src/external-gdata-release/google3/src/gdata/tlslite/utils/hmac.py</a></font></td></tr></table> |
| <p><tt><a href="#HMAC">HMAC</a> (Keyed-Hashing for Message Authentication) Python module.<br> |
| <br> |
| Implements the <a href="#HMAC">HMAC</a> algorithm as described by <a href="http://www.rfc-editor.org/rfc/rfc2104.txt">RFC 2104</a>.<br> |
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| (This file is modified from the standard library version to do faster<br> |
| copying)</tt></p> |
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| <font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> |
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| <tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> |
| <td width="100%"><dl> |
| <dt><font face="helvetica, arial"><a href="gdata.tlslite.utils.hmac.html#HMAC">HMAC</a> |
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| <font color="#000000" face="helvetica, arial"><a name="HMAC">class <strong>HMAC</strong></a></font></td></tr> |
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| <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> |
| <td colspan=2><tt><a href="http://www.rfc-editor.org/rfc/rfc2104.txt">RFC2104</a> <a href="#HMAC">HMAC</a> class.<br> |
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| This supports the API for Cryptographic Hash Functions (<a href="http://www.python.org/dev/peps/pep-0247/">PEP 247</a>).<br> </tt></td></tr> |
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| <td width="100%">Methods defined here:<br> |
| <dl><dt><a name="HMAC-__init__"><strong>__init__</strong></a>(self, key, msg<font color="#909090">=None</font>, digestmod<font color="#909090">=None</font>)</dt><dd><tt>Create a new <a href="#HMAC">HMAC</a> object.<br> |
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| key: key for the keyed hash object.<br> |
| msg: Initial input for the hash, if provided.<br> |
| digestmod: A module supporting <a href="http://www.python.org/dev/peps/pep-0247/">PEP 247</a>. Defaults to the md5 module.</tt></dd></dl> |
| |
| <dl><dt><a name="HMAC-copy"><strong>copy</strong></a>(self)</dt><dd><tt>Return a separate copy of this hashing object.<br> |
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| An update to this copy won't affect the original object.</tt></dd></dl> |
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| <dl><dt><a name="HMAC-digest"><strong>digest</strong></a>(self)</dt><dd><tt>Return the hash value of this hashing object.<br> |
| <br> |
| This returns a string containing 8-bit data. The object is<br> |
| not altered in any way by this function; you can continue<br> |
| updating the object after calling this function.</tt></dd></dl> |
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| <dl><dt><a name="HMAC-hexdigest"><strong>hexdigest</strong></a>(self)</dt><dd><tt>Like <a href="#HMAC-digest">digest</a>(), but returns a string of hexadecimal digits instead.</tt></dd></dl> |
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| <dl><dt><a name="HMAC-update"><strong>update</strong></a>(self, msg)</dt><dd><tt>Update this hashing object with the string msg.</tt></dd></dl> |
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| <font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr> |
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| <tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td> |
| <td width="100%"><dl><dt><a name="-new"><strong>new</strong></a>(key, msg<font color="#909090">=None</font>, digestmod<font color="#909090">=None</font>)</dt><dd><tt>Create a new hashing object and return it.<br> |
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| key: The starting key for the hash.<br> |
| msg: if available, will immediately be hashed into the object's starting<br> |
| state.<br> |
| <br> |
| You can now feed arbitrary strings into the object using its update()<br> |
| method, and can ask for the hash value at any time by calling its digest()<br> |
| method.</tt></dd></dl> |
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| <font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr> |
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| <tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td> |
| <td width="100%"><strong>digest_size</strong> = None</td></tr></table> |
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