[PORTAL-7] Rebase

This rebasing includes common libraries and common overlays projects
abstraction of components

Change-Id: Ia1efa4deacdc5701e6205104ac021a6c80ed60ba
Signed-off-by: st782s <statta@research.att.com>

1 files changed, 112 insertions, 0 deletions

diff --git a/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/util/EncDecUtilTest.java b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/util/EncDecUtilTest.java
new file mode 100644
index 00000000..23d90cc9
--- /dev/null
+++ b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/util/EncDecUtilTest.java
@@ -0,0 +1,112 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ================================================================================
+ */
+package org.openecomp.portalsdk.core.util;
+import java.security.AlgorithmParameters;
+import java.security.SecureRandom;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.SecretKey;
+import javax.crypto.SecretKeyFactory;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.PBEKeySpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.apache.commons.codec.binary.Base64;
+ 
+public class EncDecUtilTest {
+ 
+    private static final String password = "test";
+	private static final String salt = "r n�HN~��|f��X�" ;
+	private static int pswdIterations = 65536  ;
+    private static int keySize = 256;
+    private byte[] ivBytes;
+ 
+    public String encrypt(String plainText) throws Exception {   
+         
+        //get salt
+        //salt = generateSalt();      
+        byte[] saltBytes = salt.getBytes("UTF-8");
+         
+        // Derive the key
+        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
+        PBEKeySpec spec = new PBEKeySpec(
+                password.toCharArray(), 
+                saltBytes, 
+                pswdIterations, 
+                keySize
+                );
+ 
+        SecretKey secretKey = factory.generateSecret(spec);
+        SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES");
+ 
+        //encrypt the message
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        cipher.init(Cipher.ENCRYPT_MODE, secret);
+        AlgorithmParameters params = cipher.getParameters();
+        ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV();
+        byte[] encryptedTextBytes = cipher.doFinal(plainText.getBytes("UTF-8"));
+        return new Base64().encodeAsString(encryptedTextBytes);
+    }
+ 
+    @SuppressWarnings("static-access")
+    public String decrypt(String encryptedText) throws Exception {
+ 
+        byte[] saltBytes = salt.getBytes("UTF-8");
+        byte[] encryptedTextBytes = new Base64().decodeBase64(encryptedText);
+ 
+        // Derive the key
+        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
+        PBEKeySpec spec = new PBEKeySpec(
+                password.toCharArray(), 
+                saltBytes, 
+                pswdIterations, 
+                keySize
+                );
+ 
+        SecretKey secretKey = factory.generateSecret(spec);
+        SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES");
+ 
+        // Decrypt the message
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes));
+     
+ 
+        byte[] decryptedTextBytes = null;
+        try {
+            decryptedTextBytes = cipher.doFinal(encryptedTextBytes);
+        } catch (IllegalBlockSizeException e) {
+            e.printStackTrace();
+        } catch (BadPaddingException e) {
+            e.printStackTrace();
+        }
+ 
+        return new String(decryptedTextBytes);
+    }
+ 
+    public String generateSalt() {
+        SecureRandom random = new SecureRandom();
+        byte bytes[] = new byte[20];
+        random.nextBytes(bytes);
+        String s = new String(bytes);
+        return s;
+    }
+}
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