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47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
<?php
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/**
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* secp192k1
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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 ECDSA
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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\ECDSA\Curves;
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use phpseclib\Crypt\ECDSA\BaseCurves\KoblitzPrime;
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use phpseclib\Math\BigInteger;
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class secp192k1 extends KoblitzPrime
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{
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public function __construct()
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{
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$this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37', 16));
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$this->setCoefficients(
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new BigInteger('000000000000000000000000000000000000000000000000', 16),
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new BigInteger('000000000000000000000000000000000000000000000003', 16)
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);
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$this->setBasePoint(
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new BigInteger('DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D', 16),
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new BigInteger('9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D', 16)
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);
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$this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D', 16));
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$this->basis = [];
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$this->basis[] = [
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'a' => new BigInteger('00B3FB3400DEC5C4ADCEB8655C', -16),
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'b' => new BigInteger('8EE96418CCF4CFC7124FDA0F', -16)
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];
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$this->basis[] = [
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'a' => new BigInteger('01D90D03E8F096B9948B20F0A9', -16),
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'b' => new BigInteger('42E49819ABBA9474E1083F6B', -16)
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];
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$this->beta = $this->factory->newInteger(new BigInteger('447A96E6C647963E2F7809FEAAB46947F34B0AA3CA0BBA74', -16));
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}
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} |