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-rw-r--r--ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/util/EncDecUtilTest.java112
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;
+ }
+} \ No newline at end of file