mirror of
https://github.com/danog/tgseclib.git
synced 2024-12-11 08:39:43 +01:00
51 lines
1.8 KiB
PHP
51 lines
1.8 KiB
PHP
<?php
|
|
|
|
/**
|
|
* secp256k1
|
|
*
|
|
* This is the curve used in Bitcoin
|
|
*
|
|
* PHP version 5 and 7
|
|
*
|
|
* @category Crypt
|
|
* @package EC
|
|
* @author Jim Wigginton <terrafrost@php.net>
|
|
* @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\EC\Curves;
|
|
|
|
//use phpseclib\Crypt\EC\BaseCurves\Prime;
|
|
use phpseclib\Crypt\EC\BaseCurves\KoblitzPrime;
|
|
use phpseclib\Math\BigInteger;
|
|
|
|
//class secp256k1 extends Prime
|
|
class secp256k1 extends KoblitzPrime
|
|
{
|
|
public function __construct()
|
|
{
|
|
$this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F', 16));
|
|
$this->setCoefficients(
|
|
new BigInteger('0000000000000000000000000000000000000000000000000000000000000000', 16),
|
|
new BigInteger('0000000000000000000000000000000000000000000000000000000000000007', 16)
|
|
);
|
|
$this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141', 16));
|
|
$this->setBasePoint(
|
|
new BigInteger('79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798', 16),
|
|
new BigInteger('483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8', 16)
|
|
);
|
|
|
|
$this->basis = [];
|
|
$this->basis[] = [
|
|
'a' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16),
|
|
'b' => new BigInteger('FF1BBC8129FEF177D790AB8056F5401B3D', -16)
|
|
];
|
|
$this->basis[] = [
|
|
'a' => new BigInteger('114CA50F7A8E2F3F657C1108D9D44CFD8', -16),
|
|
'b' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16)
|
|
];
|
|
$this->beta = $this->factory->newInteger(new BigInteger('7AE96A2B657C07106E64479EAC3434E99CF0497512F58995C1396C28719501EE', -16));
|
|
}
|
|
} |