changeset 7664:f225da733291

8012637: Adjust CipherInputStream class to work in AEAD/GCM mode Summary: Ensure the Cipher.doFinal() is called only once Reviewed-by: xuelei
author valeriep
date Fri, 05 Jul 2013 13:53:37 -0700
parents ed111451b77a
children 6e2a5637b286
files src/share/classes/javax/crypto/CipherInputStream.java test/com/sun/crypto/provider/Cipher/AES/TestCICOWithGCM.java
diffstat 2 files changed, 97 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/javax/crypto/CipherInputStream.java	Fri Jul 05 10:51:54 2013 +0800
+++ b/src/share/classes/javax/crypto/CipherInputStream.java	Fri Jul 05 13:53:37 2013 -0700
@@ -303,7 +303,9 @@
         input.close();
         try {
             // throw away the unprocessed data
-            cipher.doFinal();
+            if (!done) {
+                cipher.doFinal();
+            }
         }
         catch (BadPaddingException | IllegalBlockSizeException ex) {
         }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/com/sun/crypto/provider/Cipher/AES/TestCICOWithGCM.java	Fri Jul 05 13:53:37 2013 -0700
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2013, 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 8012637
+ * @library ../UTIL
+ * @build TestUtil
+ * @run main TestCICOWithGCM
+ * @summary Test CipherInputStream/OutputStream with AES 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 {
+    public static void main(String[] args) throws Exception {
+        //init Secret Key
+        KeyGenerator kg = KeyGenerator.getInstance("AES", "SunJCE");
+        kg.init(128);
+        SecretKey key = kg.generateKey();
+
+        //do initialization of the plainText
+        byte[] plainText = new byte[800];
+        Random rdm = new Random();
+        rdm.nextBytes(plainText);
+
+        //init ciphers
+        Cipher encCipher = Cipher.getInstance("AES/GCM/NoPadding", "SunJCE");
+        encCipher.init(Cipher.ENCRYPT_MODE, key);
+        Cipher decCipher = Cipher.getInstance("AES/GCM/NoPadding", "SunJCE");
+        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");
+        }
+    }
+}