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47 lines
1.7 KiB
PHP
47 lines
1.7 KiB
PHP
<?php
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/**
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* secp224k1
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*
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* PHP version 5 and 7
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*
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* @category Crypt
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* @package EC
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* @author Jim Wigginton <terrafrost@php.net>
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* @copyright 2017 Jim Wigginton
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link http://pear.php.net/package/Math_BigInteger
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*/
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namespace phpseclib\Crypt\EC\Curves;
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use phpseclib\Crypt\EC\BaseCurves\KoblitzPrime;
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use phpseclib\Math\BigInteger;
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class secp224k1 extends KoblitzPrime
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{
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public function __construct()
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{
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$this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D', 16));
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$this->setCoefficients(
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new BigInteger('00000000000000000000000000000000000000000000000000000000', 16),
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new BigInteger('00000000000000000000000000000000000000000000000000000005', 16)
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);
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$this->setBasePoint(
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new BigInteger('A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C', 16),
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new BigInteger('7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5', 16)
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);
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$this->setOrder(new BigInteger('010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7', 16));
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$this->basis = [];
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$this->basis[] = [
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'a' => new BigInteger('00B8ADF1378A6EB73409FA6C9C637D', -16),
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'b' => new BigInteger('94730F82B358A3776A826298FA6F', -16)
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];
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$this->basis[] = [
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'a' => new BigInteger('01DCE8D2EC6184CAF0A972769FCC8B', -16),
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'b' => new BigInteger('4D2100BA3DC75AAB747CCF355DEC', -16)
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];
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$this->beta = $this->factory->newInteger(new BigInteger('01F178FFA4B17C89E6F73AECE2AAD57AF4C0A748B63C830947B27E04', -16));
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}
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} |