jdk/test/com/sun/crypto/provider/CICO/PBEFunc/DefaultPBEWrapper.java
changeset 32766 2322e6c2a032
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/crypto/provider/CICO/PBEFunc/DefaultPBEWrapper.java	Wed Sep 23 21:28:14 2015 +0000
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2007, 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.
+ */
+import java.security.GeneralSecurityException;
+import java.security.Provider;
+import java.security.Security;
+import javax.crypto.SecretKey;
+import javax.crypto.Cipher;
+import javax.crypto.SecretKeyFactory;
+import javax.crypto.spec.PBEKeySpec;
+import javax.crypto.spec.PBEParameterSpec;
+
+/**
+ * Default wrapper for a password based encryption Cipher.
+ */
+
+public class DefaultPBEWrapper extends AbstractPBEWrapper {
+    /**
+     * Define default SALT size as 8.
+     */
+    private static final int PBE_SALT_SIZE = 8;
+
+    /**
+     * Default PBE wrapper constructor.
+     *
+     * @param algo PGE algorithm to wrap.
+     * @param passwd password phrase
+     */
+    public DefaultPBEWrapper(PBEAlgorithm algo, String passwd) {
+        super(algo, passwd, PBE_SALT_SIZE);
+    }
+
+    /**
+     * Instantiate Cipher for the PBE algorithm.
+     *
+     * @param mode Cipher mode: encrypt or decrypt.
+     * @return Cipher in accordance to the PBE algorithm
+     * @throws java.security.GeneralSecurityException
+     */
+    @Override
+    protected Cipher initCipher(int mode) throws  GeneralSecurityException {
+        Provider provider = Security.getProvider("SunJCE");
+        if (provider == null) {
+            throw new RuntimeException("SunJCE provider does not exist.");
+        }
+        SecretKey key = SecretKeyFactory.getInstance(baseAlgo)
+                .generateSecret(new PBEKeySpec(password.toCharArray()));
+        Cipher ci = Cipher.getInstance(transformation, provider);
+        ci.init(mode, key, new PBEParameterSpec(salt, DEFAULT_ITERATION));
+        return ci;
+    }
+}