jdk/test/com/sun/crypto/provider/Cipher/DES/TextPKCS5PaddingTest.java
changeset 32766 2322e6c2a032
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/crypto/provider/Cipher/DES/TextPKCS5PaddingTest.java	Wed Sep 23 21:28:14 2015 +0000
@@ -0,0 +1,76 @@
+/*
+ * 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
+ * @summary This test checks boundary conditions for testing
+ *          ShortBufferException.
+ */
+import static java.lang.System.out;
+
+import java.security.AlgorithmParameters;
+import java.security.Provider;
+import java.security.Security;
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
+
+public class TextPKCS5PaddingTest {
+    /**
+     * Test plain text.
+     */
+    private static final byte[] PLAIN_TEXT = {
+        0b10001, 0b10001, 0b10001, 0b10001,
+        0b10001, 0b10001, 0b11,    0b11
+    };
+
+    public static void main(String[] args) throws Exception {
+        Provider provider = Security.getProvider("SunJCE");
+        if (provider == null) {
+            throw new RuntimeException("SunJCE provider not exist");
+        }
+        // generate no-padding cipher with secret key
+        Cipher c = Cipher.getInstance("DES/CBC/NoPadding", provider);
+        KeyGenerator kgen = KeyGenerator.getInstance("DES", provider);
+        SecretKey skey = kgen.generateKey();
+        // this is the improperly padded plaintext
+
+        c.init(Cipher.ENCRYPT_MODE, skey);
+        // encrypt plaintext
+        byte[] cipher = c.doFinal(PLAIN_TEXT);
+        AlgorithmParameters params = c.getParameters();
+        // generate cipher that enforces PKCS5 padding
+        c = Cipher.getInstance("DES/CBC/PKCS5Padding", provider);
+        c.init(Cipher.DECRYPT_MODE, skey, params);
+        try {
+            c.doFinal(cipher);
+            throw new RuntimeException(
+                    "ERROR: Expected BadPaddingException not thrown");
+        } catch (BadPaddingException expected) {
+            out.println("Expected BadPaddingException thrown");
+        }
+
+    }
+}