* @copyright 2017 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://pear.php.net/package/Math_BigInteger */ namespace phpseclib\Crypt\ECDSA\Curves; use phpseclib\Crypt\ECDSA\BaseCurves\Prime; use phpseclib\Math\BigInteger; class secp256r1 extends Prime { public function __construct() { $this->setModulo(new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF', 16)); $this->setCoefficients( new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC', 16), new BigInteger('5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B', 16) ); $this->setBasePoint( new BigInteger('6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296', 16), new BigInteger('4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5', 16) ); $this->setOrder(new BigInteger('FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551', 16)); } }