1<?php 2 3/** 4 * secp256r1 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\Prime; 19use phpseclib3\Math\BigInteger; 20 21class secp256r1 extends Prime 22{ 23 public function __construct() 24 { 25 $this->setModulo(new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF', 16)); 26 $this->setCoefficients( 27 new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC', 16), 28 new BigInteger('5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B', 16) 29 ); 30 $this->setBasePoint( 31 new BigInteger('6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296', 16), 32 new BigInteger('4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5', 16) 33 ); 34 $this->setOrder(new BigInteger('FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551', 16)); 35 } 36} 37