| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8014374 |
| * @summary Test CipherInputStream/OutputStream func w/ GCM mode and AAD. |
| * @author Valerie Peng |
| * @key randomness |
| */ |
| |
| import java.io.*; |
| import java.security.*; |
| import java.util.*; |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| public class TestCICOWithGCMAndAAD extends UcryptoTest { |
| public static void main(String[] args) throws Exception { |
| main(new TestCICOWithGCMAndAAD(), null); |
| } |
| |
| public void doTest(Provider p) throws Exception { |
| // check if GCM support exists |
| try { |
| Cipher.getInstance("AES/GCM/NoPadding", p); |
| } catch (NoSuchAlgorithmException nsae) { |
| System.out.println("Skipping Test due to no GCM support"); |
| return; |
| } |
| |
| Random rdm = new Random(); |
| |
| //init Secret Key |
| byte[] keyValue = new byte[16]; |
| rdm.nextBytes(keyValue); |
| SecretKey key = new SecretKeySpec(keyValue, "AES"); |
| |
| //Do initialization of the plainText |
| byte[] plainText = new byte[400]; |
| rdm.nextBytes(plainText); |
| |
| byte[] aad = new byte[128]; |
| rdm.nextBytes(aad); |
| byte[] aad2 = aad.clone(); |
| aad2[50]++; |
| |
| byte[] iv = new byte[16]; |
| rdm.nextBytes(iv); |
| |
| GCMParameterSpec spec = new GCMParameterSpec(128, iv); |
| Cipher encCipher = Cipher.getInstance("AES/GCM/NoPadding", p); |
| encCipher.init(Cipher.ENCRYPT_MODE, key, spec); |
| encCipher.updateAAD(aad); |
| Cipher decCipher = Cipher.getInstance("AES/GCM/NoPadding", p); |
| decCipher.init(Cipher.DECRYPT_MODE, key, spec); //encCipher.getParameters()); |
| decCipher.updateAAD(aad); |
| |
| byte[] recovered = test(encCipher, decCipher, plainText); |
| if (!Arrays.equals(plainText, recovered)) { |
| throw new Exception("sameAAD: diff check failed!"); |
| } else System.out.println("sameAAD: passed"); |
| |
| encCipher.init(Cipher.ENCRYPT_MODE, key); |
| encCipher.updateAAD(aad2); |
| recovered = test(encCipher, decCipher, plainText); |
| if (recovered != null && recovered.length != 0) { |
| throw new Exception("diffAAD: no data should be returned!"); |
| } else System.out.println("diffAAD: passed"); |
| } |
| |
| private static byte[] test(Cipher encCipher, Cipher decCipher, byte[] plainText) |
| throws Exception { |
| //init cipher streams |
| ByteArrayInputStream baInput = new ByteArrayInputStream(plainText); |
| CipherInputStream ciInput = new CipherInputStream(baInput, encCipher); |
| ByteArrayOutputStream baOutput = new ByteArrayOutputStream(); |
| CipherOutputStream ciOutput = new CipherOutputStream(baOutput, decCipher); |
| |
| //do test |
| byte[] buffer = new byte[200]; |
| int len = ciInput.read(buffer); |
| System.out.println("read " + len + " bytes from input buffer"); |
| |
| while (len != -1) { |
| ciOutput.write(buffer, 0, len); |
| System.out.println("wite " + len + " bytes to output buffer"); |
| len = ciInput.read(buffer); |
| if (len != -1) { |
| System.out.println("read " + len + " bytes from input buffer"); |
| } else { |
| System.out.println("finished reading"); |
| } |
| } |
| |
| ciOutput.flush(); |
| ciInput.close(); |
| ciOutput.close(); |
| |
| return baOutput.toByteArray(); |
| } |
| } |