1<?php 2 3/** 4 * secp224k1 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 secp224k1 extends KoblitzPrime 22{ 23 public function __construct() 24 { 25 $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D', 16)); 26 $this->setCoefficients( 27 new BigInteger('00000000000000000000000000000000000000000000000000000000', 16), 28 new BigInteger('00000000000000000000000000000000000000000000000000000005', 16) 29 ); 30 $this->setBasePoint( 31 new BigInteger('A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C', 16), 32 new BigInteger('7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5', 16) 33 ); 34 $this->setOrder(new BigInteger('010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7', 16)); 35 36 $this->basis = []; 37 $this->basis[] = [ 38 'a' => new BigInteger('00B8ADF1378A6EB73409FA6C9C637D', -16), 39 'b' => new BigInteger('94730F82B358A3776A826298FA6F', -16) 40 ]; 41 $this->basis[] = [ 42 'a' => new BigInteger('01DCE8D2EC6184CAF0A972769FCC8B', -16), 43 'b' => new BigInteger('4D2100BA3DC75AAB747CCF355DEC', -16) 44 ]; 45 $this->beta = $this->factory->newInteger(new BigInteger('01F178FFA4B17C89E6F73AECE2AAD57AF4C0A748B63C830947B27E04', -16)); 46 } 47} 48