1<?php 2 3/** 4 * secp160k1 5 * 6 * PHP version 5 and 7 7 * 8 * @category Crypt 9 * @package EC 10 * @author Jim Wigginton <terrafrost@php.net> 11 * @copyright 2017 Jim Wigginton 12 * @license http://www.opensource.org/licenses/mit-license.html MIT License 13 * @link http://pear.php.net/package/Math_BigInteger 14 */ 15 16namespace phpseclib3\Crypt\EC\Curves; 17 18use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime; 19use phpseclib3\Math\BigInteger; 20 21class secp160k1 extends KoblitzPrime 22{ 23 public function __construct() 24 { 25 // same as secp160r2 26 $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73', 16)); 27 $this->setCoefficients( 28 new BigInteger('0000000000000000000000000000000000000000', 16), 29 new BigInteger('0000000000000000000000000000000000000007', 16) 30 ); 31 $this->setBasePoint( 32 new BigInteger('3B4C382CE37AA192A4019E763036F4F5DD4D7EBB', 16), 33 new BigInteger('938CF935318FDCED6BC28286531733C3F03C4FEE', 16) 34 ); 35 $this->setOrder(new BigInteger('0100000000000000000001B8FA16DFAB9ACA16B6B3', 16)); 36 37 $this->basis = []; 38 $this->basis[] = [ 39 'a' => new BigInteger('0096341F1138933BC2F505', -16), 40 'b' => new BigInteger('FF6E9D0418C67BB8D5F562', -16) 41 ]; 42 $this->basis[] = [ 43 'a' => new BigInteger('01BDCB3A09AAAABEAFF4A8', -16), 44 'b' => new BigInteger('04D12329FF0EF498EA67', -16) 45 ]; 46 $this->beta = $this->factory->newInteger(new BigInteger('645B7345A143464942CC46D7CF4D5D1E1E6CBB68', -16)); 47 } 48} 49