1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package tests.security.interfaces; 17 18 import junit.framework.TestCase; 19 20 import java.math.BigInteger; 21 import java.security.KeyFactory; 22 import java.security.interfaces.RSAPrivateKey; 23 import java.security.spec.RSAPrivateKeySpec; 24 25 public class RSAPrivateKeyTest extends TestCase { 26 27 /** 28 * java.security.interfaces.RSAPrivateKey 29 * #getPrivateExponent() 30 */ 31 public void test_getPrivateExponent() throws Exception { 32 KeyFactory gen = KeyFactory.getInstance("RSA"); 33 final BigInteger n = BigInteger.valueOf(3233); 34 final BigInteger d = BigInteger.valueOf(2753); 35 RSAPrivateKey key = (RSAPrivateKey) gen.generatePrivate(new RSAPrivateKeySpec( 36 n, d)); 37 assertEquals("invalid private exponent", d, key.getPrivateExponent()); 38 } 39 } 40
