1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 6994008 27 * @summary basic test for RSA/ECB/NoPadding cipher 28 * @author Valerie Peng 29 * @library .. 30 * @key randomness 31 */ 32 33 import javax.crypto.*; 34 import java.io.*; 35 import javax.crypto.spec.SecretKeySpec; 36 import java.security.*; 37 import java.util.*; 38 39 public class TestRawRSACipher extends PKCS11Test { 40 41 public void main(Provider p) throws Exception { 42 try { 43 Cipher.getInstance("RSA/ECB/NoPadding", p); 44 } catch (GeneralSecurityException e) { 45 System.out.println("Not supported by provider, skipping"); 46 return; 47 } 48 49 final int KEY_LEN = 1024; 50 KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", p); 51 kpGen.initialize(KEY_LEN); 52 KeyPair kp = kpGen.generateKeyPair(); 53 Random random = new Random(); 54 byte[] plainText, cipherText, recoveredText; 55 plainText = new byte[KEY_LEN/8]; 56 random.nextBytes(plainText); 57 plainText[0] = 0; // to ensure that it's less than modulus 58 59 Cipher c1 = Cipher.getInstance("RSA/ECB/NoPadding", p); 60 Cipher c2 = Cipher.getInstance("RSA/ECB/NoPadding", "SunJCE"); 61 62 c1.init(Cipher.ENCRYPT_MODE, kp.getPublic()); 63 c2.init(Cipher.DECRYPT_MODE, kp.getPrivate()); 64 65 cipherText = c1.doFinal(plainText); 66 recoveredText = c2.doFinal(cipherText); 67 if (!Arrays.equals(plainText, recoveredText)) { 68 throw new RuntimeException("E/D Test against SunJCE Failed!"); 69 } 70 71 c2.init(Cipher.ENCRYPT_MODE, kp.getPublic()); 72 c1.init(Cipher.DECRYPT_MODE, kp.getPrivate()); 73 cipherText = c2.doFinal(plainText); 74 recoveredText = c1.doFinal(cipherText); 75 if (!Arrays.equals(plainText, recoveredText)) { 76 throw new RuntimeException("D/E Test against SunJCE Failed!"); 77 } 78 79 System.out.println("Test Passed"); 80 } 81 82 public static void main(String[] args) throws Exception { 83 main(new TestRawRSACipher()); 84 } 85 }