test/jdk/com/sun/crypto/provider/Cipher/AES/TestNoPaddingModes.java
branchdatagramsocketimpl-branch
changeset 58678 9cf78a70fa4f
child 58679 9c3209ff7550
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/com/sun/crypto/provider/Cipher/AES/TestNoPaddingModes.java	Thu Oct 17 20:53:35 2019 +0100
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2019, 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 8180392
+ * @summary Ensure SunJCE provider throws exception for unsupported modes
+ *          and padding combinations
+ */
+import java.security.*;
+import java.security.spec.AlgorithmParameterSpec;
+import javax.crypto.*;
+
+public class TestNoPaddingModes {
+
+    // SunJCE only supports NoPadding with following modes
+    private static final String[] MODES = {
+        "CTR", "CTS", "GCM"
+    };
+    private static final String[] PADDINGS = {
+        "PKCS5Padding", "ISO10126Padding"
+    };
+
+    public static void main(String[] args) throws Exception {
+        Provider p = Security.getProvider("SunJCE");
+        String transformation;
+        for (String mode : MODES) {
+            for (String padding : PADDINGS) {
+                transformation = "AES/" + mode + "/" + padding;
+
+                System.out.println("Test using " + transformation);
+                try {
+                    Cipher c = Cipher.getInstance(transformation, "SunJCE");
+                    throw new RuntimeException("=> Fail, no exception thrown");
+                } catch (NoSuchAlgorithmException | NoSuchPaddingException ex) {
+                    System.out.println("=> Expected ex: " + ex);
+                }
+                try {
+                    Cipher c = Cipher.getInstance(transformation, p);
+                    throw new RuntimeException("=> Fail, no exception thrown");
+                } catch (NoSuchAlgorithmException | NoSuchPaddingException ex) {
+                    System.out.println("=> Expected ex: " + ex);
+                }
+            }
+        }
+        System.out.println("Test Passed");
+    }
+}