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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module gdata.tlslite.utils.cryptomath</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>.cryptomath</strong></big></big></font></td
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/afshar/wrk/gdata-python-client/src/gdata/tlslite/utils/cryptomath.py">/home/afshar/wrk/gdata-python-client/src/gdata/tlslite/utils/cryptomath.py</a></font></td></tr></table>
<p><tt>cryptomath module<br>
<br>
This module has basic math/crypto code.</tt></p>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="Crypto.html">Crypto</a><br>
<a href="array.html">array</a><br>
</td><td width="25%" valign=top><a href="base64.html">base64</a><br>
<a href="binascii.html">binascii</a><br>
</td><td width="25%" valign=top><a href="math.html">math</a><br>
<a href="os.html">os</a><br>
</td><td width="25%" valign=top><a href="sys.html">sys</a><br>
<a href="traceback.html">traceback</a><br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt><a name="-base64ToBytes"><strong>base64ToBytes</strong></a>(s)</dt></dl>
<dl><dt><a name="-base64ToNumber"><strong>base64ToNumber</strong></a>(s)</dt></dl>
<dl><dt><a name="-base64ToString"><strong>base64ToString</strong></a>(s)</dt></dl>
<dl><dt><a name="-bytesToBase64"><strong>bytesToBase64</strong></a>(bytes)</dt></dl>
<dl><dt><a name="-bytesToNumber"><strong>bytesToNumber</strong></a>(bytes)</dt></dl>
<dl><dt><a name="-gcd"><strong>gcd</strong></a>(a, b)</dt></dl>
<dl><dt><a name="-getBase64Nonce"><strong>getBase64Nonce</strong></a>(numChars<font color="#909090">=22</font>)</dt></dl>
<dl><dt><a name="-getRandomBytes"><strong>getRandomBytes</strong></a>(howMany)</dt></dl>
<dl><dt><a name="-getRandomNumber"><strong>getRandomNumber</strong></a>(low, high)</dt></dl>
<dl><dt><a name="-getRandomPrime"><strong>getRandomPrime</strong></a>(bits, display<font color="#909090">=False</font>)</dt></dl>
<dl><dt><a name="-getRandomSafePrime"><strong>getRandomSafePrime</strong></a>(bits, display<font color="#909090">=False</font>)</dt><dd><tt>#Unused at the moment...</tt></dd></dl>
<dl><dt><a name="-hashAndBase64"><strong>hashAndBase64</strong></a>(s)</dt></dl>
<dl><dt><a name="-invMod"><strong>invMod</strong></a>(a, b)</dt><dd><tt>#Returns inverse of a mod b, zero if none<br>
#Uses Extended Euclidean Algorithm</tt></dd></dl>
<dl><dt><a name="-isPrime"><strong>isPrime</strong></a>(n, iterations<font color="#909090">=5</font>, display<font color="#909090">=False</font>)</dt></dl>
<dl><dt><a name="-lcm"><strong>lcm</strong></a>(a, b)</dt></dl>
<dl><dt><a name="-makeSieve"><strong>makeSieve</strong></a>(n)</dt><dd><tt>#Pre-calculate a sieve of the ~100 primes < 1000:</tt></dd></dl>
<dl><dt><a name="-mpiToNumber"><strong>mpiToNumber</strong></a>(mpi)</dt></dl>
<dl><dt><a name="-numBytes"><strong>numBytes</strong></a>(n)</dt></dl>
<dl><dt><a name="-numberToBase64"><strong>numberToBase64</strong></a>(n)</dt></dl>
<dl><dt><a name="-numberToBytes"><strong>numberToBytes</strong></a>(n)</dt></dl>
<dl><dt><a name="-numberToMPI"><strong>numberToMPI</strong></a>(n)</dt></dl>
<dl><dt><a name="-numberToString"><strong>numberToString</strong></a>(s)</dt></dl>
<dl><dt><a name="-powMod"><strong>powMod</strong></a>(base, power, modulus)</dt><dd><tt>#Copied from Bryan G. Olson's post to comp.lang.python<br>
#Does left-to-right instead of pow()'s right-to-left,<br>
#thus about 30% faster than the python built-in with small bases</tt></dd></dl>
<dl><dt><a name="-sha1"><strong>sha1</strong></a> = openssl_sha1(...)</dt><dd><tt>Returns a sha1 hash object; optionally initialized with a string</tt></dd></dl>
<dl><dt><a name="-stringToBase64"><strong>stringToBase64</strong></a>(s)</dt></dl>
<dl><dt><a name="-stringToNumber"><strong>stringToNumber</strong></a>(s)</dt></dl>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
<td width="100%"><strong>cryptlibpyLoaded</strong> = False<br>
<strong>gmpyLoaded</strong> = False<br>
<strong>m2cryptoLoaded</strong> = False<br>
<strong>prngName</strong> = 'os.urandom'<br>
<strong>pycryptoLoaded</strong> = True<br>
<strong>sieve</strong> = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...]</td></tr></table>
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