| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE |
| * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file |
| * to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on |
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations under the License. |
| */ |
| package org.apache.tuweni.crypto.sodium; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assumptions.assumeTrue; |
| |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Test; |
| |
| class DiffieHelmanTest { |
| |
| @BeforeAll |
| static void checkAvailable() { |
| assumeTrue(Sodium.isAvailable(), "Sodium native library is not available"); |
| } |
| |
| @Test |
| void testScalarMultiplication() { |
| DiffieHelman.KeyPair keyPair = DiffieHelman.KeyPair.random(); |
| DiffieHelman.KeyPair secondKeyPair = DiffieHelman.KeyPair.random(); |
| |
| DiffieHelman.Secret scalar1 = DiffieHelman.Secret.forKeys(keyPair.secretKey(), secondKeyPair.publicKey()); |
| DiffieHelman.Secret scalar2 = DiffieHelman.Secret.forKeys(secondKeyPair.secretKey(), keyPair.publicKey()); |
| |
| assertEquals(scalar1, scalar2); |
| } |
| } |