secp160k1.php — JetBackup – Backup, Restore & Migrate trunk

backup / src / JetBackup / 3rdparty / phpseclib3 / Crypt / EC / Curves / secp160k1.php

backup / src / JetBackup / 3rdparty / phpseclib3 / Crypt / EC / Curves Last commit date

secp160k1.php

49 lines

1	<?php
2
3	/**
4	* secp160k1
5	*
6	* PHP version 5 and 7
7	*
8	* @author Jim Wigginton <terrafrost@php.net>
9	* @copyright 2017 Jim Wigginton
10	* @license http://www.opensource.org/licenses/mit-license.html MIT License
11	* @link http://pear.php.net/package/Math_BigInteger
12	*/
13
14	declare(strict_types=1);
15
16	namespace phpseclib3\Crypt\EC\Curves;
17
18	use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
19	use phpseclib3\Math\BigInteger;
20
21	class 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