jdk/test/com/sun/crypto/provider/CICO/PBEFunc/CipherNCFuncTest.java
changeset 32766 2322e6c2a032
child 32767 7c9edd1bbf35
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/crypto/provider/CICO/PBEFunc/CipherNCFuncTest.java	Wed Sep 23 21:28:14 2015 +0000
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2001, 2015, 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 8048604
+ * @library /lib/testlibrary/
+ * @summary This test verifies the assertion "There should be no transformation
+ *  on the plaintext/ciphertext in encryption/decryption mechanism" for
+ *  feature "NullCipher".
+ */
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NullCipher;
+import javax.crypto.ShortBufferException;
+import jdk.testlibrary.RandomFactory;
+
+public class CipherNCFuncTest {
+    public static void main(String[] args) throws ShortBufferException,
+            IllegalBlockSizeException, BadPaddingException {
+        byte[] plainText = new byte[801];
+        // Initialization
+        RandomFactory.getRandom().nextBytes(plainText);
+        Cipher ci = new NullCipher();
+        // Encryption
+        byte[] cipherText = new byte[ci.getOutputSize(plainText.length)];
+        int offset = ci.update(plainText, 0, plainText.length, cipherText, 0);
+        ci.doFinal(cipherText, offset);
+        // Decryption
+        byte[] recoveredText = new byte[ci.getOutputSize(cipherText.length)];
+        int len = ci.doFinal(cipherText, 0, cipherText.length, recoveredText);
+        // Comparison
+        if (len != plainText.length ||
+                !TestUtilities.equalsBlock(plainText, cipherText, len) ||
+                !TestUtilities.equalsBlock(plainText, recoveredText, len)) {
+            throw new RuntimeException(
+                "Test failed because plainText not equal to cipherText and revoveredText");
+        }
+    }
+}