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diff --git a/vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPublic.php b/vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPublic.php
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+<?php
+
+/**
+ * Montgomery Public Key Handler
+ *
+ * PHP version 5
+ *
+ * @author Jim Wigginton <[email protected]>
+ * @copyright 2015 Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+namespace phpseclib3\Crypt\EC\Formats\Keys;
+
+use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
+use phpseclib3\Crypt\EC\Curves\Curve25519;
+use phpseclib3\Crypt\EC\Curves\Curve448;
+use phpseclib3\Math\BigInteger;
+
+/**
+ * Montgomery Public Key Handler
+ *
+ * @author Jim Wigginton <[email protected]>
+ */
+abstract class MontgomeryPublic
+{
+ /**
+ * Is invisible flag
+ *
+ */
+ const IS_INVISIBLE = true;
+
+ /**
+ * Break a public or private key down into its constituent components
+ *
+ * @param string $key
+ * @param string $password optional
+ * @return array
+ */
+ public static function load($key, $password = '')
+ {
+ switch (strlen($key)) {
+ case 32:
+ $curve = new Curve25519();
+ break;
+ case 56:
+ $curve = new Curve448();
+ break;
+ default:
+ throw new \LengthException('The only supported lengths are 32 and 56');
+ }
+
+ $components = ['curve' => $curve];
+ $components['QA'] = [$components['curve']->convertInteger(new BigInteger(strrev($key), 256))];
+
+ return $components;
+ }
+
+ /**
+ * Convert an EC public key to the appropriate format
+ *
+ * @param \phpseclib3\Crypt\EC\BaseCurves\Montgomery $curve
+ * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
+ * @return string
+ */
+ public static function savePublicKey(MontgomeryCurve $curve, array $publicKey)
+ {
+ return strrev($publicKey[0]->toBytes());
+ }
+}