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qa-tool/htdocs/oidc/phpseclib/Crypt/EC/Curves/secp256k1.php

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+<?php
+
+/**
+ * secp256k1
+ *
+ * This is the curve used in Bitcoin
+ *
+ * PHP version 5 and 7
+ *
+ * @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
+ */
+
+declare(strict_types=1);
+
+namespace phpseclib3\Crypt\EC\Curves;
+
+//use phpseclib3\Crypt\EC\BaseCurves\Prime;
+use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
+use phpseclib3\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));
+    }
+}