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48 lines
1.6 KiB
PHP
48 lines
1.6 KiB
PHP
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<?php
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/**
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* secp160k1
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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 secp160k1 extends KoblitzPrime
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{
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public function __construct()
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{
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// same as secp160r2
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$this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73', 16));
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$this->setCoefficients(
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new BigInteger('0000000000000000000000000000000000000000', 16),
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new BigInteger('0000000000000000000000000000000000000007', 16)
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);
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$this->setBasePoint(
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new BigInteger('3B4C382CE37AA192A4019E763036F4F5DD4D7EBB', 16),
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new BigInteger('938CF935318FDCED6BC28286531733C3F03C4FEE', 16)
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);
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$this->setOrder(new BigInteger('0100000000000000000001B8FA16DFAB9ACA16B6B3', 16));
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$this->basis = [];
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$this->basis[] = [
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'a' => new BigInteger('0096341F1138933BC2F505', -16),
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'b' => new BigInteger('FF6E9D0418C67BB8D5F562', -16)
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];
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$this->basis[] = [
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'a' => new BigInteger('01BDCB3A09AAAABEAFF4A8', -16),
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'b' => new BigInteger('04D12329FF0EF498EA67', -16)
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];
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$this->beta = $this->factory->newInteger(new BigInteger('645B7345A143464942CC46D7CF4D5D1E1E6CBB68', -16));
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}
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}
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