jdk/test/com/oracle/security/ucrypto/TestCICOWithGCM.java
changeset 27182 4525d13b8af1
child 30046 cf2c86e1819e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/oracle/security/ucrypto/TestCICOWithGCM.java	Mon Oct 20 21:18:48 2014 +0000
@@ -0,0 +1,104 @@
+/*
+ * 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 basic CipherInputStream/OutputStream func w/ GCM mode.
+ * @author Valerie Peng
+ */
+
+import java.security.*;
+import javax.crypto.*;
+import javax.crypto.spec.*;
+import java.math.*;
+import java.io.*;
+import com.sun.crypto.provider.*;
+
+import java.util.*;
+
+public class TestCICOWithGCM extends UcryptoTest {
+    public static void main(String[] args) throws Exception {
+        main(new TestCICOWithGCM(), 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[800];
+        rdm.nextBytes(plainText);
+
+        //init ciphers
+        Cipher encCipher = Cipher.getInstance("AES/GCM/NoPadding", p);
+        encCipher.init(Cipher.ENCRYPT_MODE, key);
+        Cipher decCipher = Cipher.getInstance("AES/GCM/NoPadding", p);
+        decCipher.init(Cipher.DECRYPT_MODE, key, encCipher.getParameters());
+
+        //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[800];
+        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();
+        byte[] recovered = baOutput.toByteArray();
+        System.out.println("recovered " + recovered.length + " bytes");
+        if (!Arrays.equals(plainText, recovered)) {
+            throw new RuntimeException("diff check failed!");
+        } else {
+            System.out.println("diff check passed");
+        }
+    }
+}