jdk/test/com/sun/crypto/provider/Cipher/AES/CICO.java
changeset 25971 e0831270085f
child 30046 cf2c86e1819e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/crypto/provider/Cipher/AES/CICO.java	Fri Aug 08 17:47:50 2014 +0000
@@ -0,0 +1,186 @@
+/*
+ * 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.
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.spec.AlgorithmParameterSpec;
+import java.util.Random;
+import javax.crypto.Cipher;
+import javax.crypto.CipherInputStream;
+import javax.crypto.CipherOutputStream;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.IvParameterSpec;
+
+/**
+ * @test
+ * @bug 8043836
+ * @summary Test AES ciphers with different modes and padding schemes (ECB mode
+ *          doesn't use IV). The test tries 3 different read methods of
+ *          CipherInputStream.
+ */
+public class CICO {
+    private static final String ALGORITHM = "aEs";
+    private static final String[] MODES = { "PCBC", "ECb", "cbC", "cFB",
+        "cFB24", "cFB32", "Cfb40", "CFB72", "OfB", "OfB20", "OfB48",
+        "OfB56", "OFB64", "OFB112", "CFB112", "pCbC" };
+    private static final String[] PADDING = { "noPadding", "pkcs5padding" };
+    private static final String PROVIDER = "SunJCE";
+    private static final int NREADS = 3;
+    private static final int KEY_LENGTH = 128;
+
+    private final byte[] plainText = new byte[1600000];
+
+
+    public static void main(String argv[]) throws Exception {
+        CICO test = new CICO();
+        for (String mode : MODES) {
+            for (String pad : PADDING) {
+                for (int m = 0; m < NREADS; m++) {
+                    test.runTest(ALGORITHM, mode, pad, m);
+                }
+            }
+        }
+    }
+
+    public void runTest(String algo, String mo, String pad, int whichRead) throws Exception {
+        Cipher ci1 = null;
+        Cipher ci2 = null;
+        byte[] iv = null;
+        AlgorithmParameterSpec aps = null;
+        SecretKey key = null;
+
+        try {
+            // Do initialization
+            Random rdm = new Random();
+            rdm.nextBytes(plainText);
+            KeyGenerator kg = KeyGenerator.getInstance(algo, PROVIDER);
+            if (!kg.getAlgorithm().equals(algo)) {
+                throw new RuntimeException("Unexpected algorithm <"
+                        + kg.getAlgorithm() + ">, expected value is <" + algo
+                        + ">");
+            }
+
+            kg.init(KEY_LENGTH);
+            key = kg.generateKey();
+
+            ci1 = Cipher.getInstance(algo + "/" + mo + "/" + pad, PROVIDER);
+
+            if (mo.equalsIgnoreCase("ECB")) {
+                ci1.init(Cipher.ENCRYPT_MODE, key);
+            } else {
+                ci1.init(Cipher.ENCRYPT_MODE, key, aps);
+            }
+
+            if (!mo.equalsIgnoreCase("ECB")) {
+                iv = ci1.getIV();
+                aps = new IvParameterSpec(iv);
+            } else {
+                aps = null;
+            }
+
+            ci2 = Cipher.getInstance(algo + "/" + mo + "/" + pad, PROVIDER);
+            if (mo.equalsIgnoreCase("ECB")) {
+                ci2.init(Cipher.DECRYPT_MODE, key);
+            } else {
+                ci2.init(Cipher.DECRYPT_MODE, key, aps);
+            }
+
+            ByteArrayInputStream baInput = new ByteArrayInputStream(plainText);
+            ByteArrayOutputStream baOutput = new ByteArrayOutputStream();
+            try (CipherInputStream ciInput = new CipherInputStream(baInput, ci1);
+                    CipherOutputStream ciOutput = new CipherOutputStream(
+                            baOutput, ci2)) {
+                // According to specification, CipherInputStream does not support the
+                // mark and reset methods
+                if (ciInput.markSupported()) {
+                    throw new RuntimeException(
+                            "CipherInputStream unexpectedly supports the mark and reset methods");
+                }
+
+                // Read from the input and write to the output using 2 types
+                // of buffering : byte[] and int
+                switch (whichRead) {
+                case 0:
+                    int buffer0 = ciInput.read();
+                    while (buffer0 != -1) {
+                        ciOutput.write(buffer0);
+                        buffer0 = ciInput.read();
+                    }
+                    break;
+                case 1:
+                    byte[] buffer1 = new byte[20];
+                    int len1 = ciInput.read(buffer1);
+                    while (len1 != -1) {
+                        ciOutput.write(buffer1, 0, len1);
+                        len1 = ciInput.read(buffer1);
+                    }
+                    break;
+                case NREADS - 1:
+                    byte[] buffer2 = new byte[ci1
+                                              .getOutputSize(plainText.length)];
+                    int offset2 = 0;
+                    int len2 = 0;
+                    while (len2 != -1) {
+                        len2 = ciInput.read(buffer2, offset2, buffer2.length
+                                - offset2);
+                        offset2 += len2;
+                    }
+                    ciOutput.write(buffer2, 0, buffer2.length);
+                    break;
+                }
+            }
+
+            // Get the output
+            byte[] recoveredText = new byte[baOutput.size()];
+            recoveredText = baOutput.toByteArray();
+            if (!java.util.Arrays.equals(plainText, recoveredText)) {
+                throw new RuntimeException(
+                        "Original text is not equal with recovered text, with "
+                                + algo + "/" + mo + "/" + pad + "/" + whichRead);
+            }
+
+            // Compare input and output
+
+        } catch (NoSuchAlgorithmException e) {
+            //OFB20 is for negative testing
+            if (!mo.equalsIgnoreCase("OFB20")) {
+                System.out.println("Unexpected NoSuchAlgorithmException with "
+                        + algo + "/" + mo + "/" + pad + "/" + whichRead);
+                throw new RuntimeException("Test failed!");
+            }
+        } catch (IOException | NoSuchProviderException | NoSuchPaddingException
+                | InvalidKeyException | InvalidAlgorithmParameterException e) {
+            System.out.println("Unexpected Exception with "
+                    + algo + "/" + mo + "/" + pad + "/" + whichRead);
+            System.out.println("Test failed!");
+            throw e;
+        }
+    }
+}