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2025-11-28 10:08:12 +08:00
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+<?php
+declare(strict_types=1);
+
+namespace Mdanter\Ecc\Crypto\Key;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ * ***********************************************************************
+ */
+
+use Mdanter\Ecc\Crypto\EcDH\EcDHInterface;
+use Mdanter\Ecc\Primitives\GeneratorPoint;
+
+/**
+ * This is a contract for the PrivateKey portion of ECDSA.
+ */
+interface PrivateKeyInterface
+{
+
+    /**
+     * @return PublicKeyInterface
+     */
+    public function getPublicKey(): PublicKeyInterface;
+
+    /**
+     * @return GeneratorPoint
+     */
+    public function getPoint(): GeneratorPoint;
+
+    /**
+     * @return \GMP
+     */
+    public function getSecret(): \GMP;
+
+    /**
+     * @param  PublicKeyInterface $recipient
+     * @return EcDHInterface
+     */
+    public function createExchange(PublicKeyInterface $recipient): EcDHInterface;
+}