1 files changed, 120 insertions, 0 deletions
diff --git a/bpmn/MSOGammaBPMN/src/main/java/org/openecomp/mso/bpmn/util/CryptoUtils.java b/bpmn/MSOGammaBPMN/src/main/java/org/openecomp/mso/bpmn/util/CryptoUtils.java
new file mode 100644
index 0000000000..e8b91bc776
--- /dev/null
+++ b/bpmn/MSOGammaBPMN/src/main/java/org/openecomp/mso/bpmn/util/CryptoUtils.java
@@ -0,0 +1,120 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.bpmn.util;
+
+
+import java.security.GeneralSecurityException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
+// import com.att.util.common.RttpBasicAuth;  
+
+//Need to add BPM error handler
+
+/**
+ * CryptoUtils adapted from RTTP client.
+ * 
+ */
+public class CryptoUtils {
+
+    public static final String AES = "AES";
+
+    /**
+    * encrypt a value and generate a keyfile 
+     * if the keyfile is not found then a new one is created
+    * @throws GeneralSecurityException 
+     * @throws IOException 
+     */
+    public static String encrypt(String value, String keyString) throws GeneralSecurityException
+    {
+        SecretKeySpec sks = getSecretKeySpec(keyString);
+        Cipher cipher = Cipher.getInstance(CryptoUtils.AES);
+        cipher.init(Cipher.ENCRYPT_MODE, sks, cipher.getParameters());
+        byte[] encrypted = cipher.doFinal(value.getBytes());
+        return byteArrayToHexString(encrypted);
+    }
+
+    /**
+    * decrypt a value  
+     * @throws GeneralSecurityException 
+     * @throws IOException 
+     */
+    public static String decrypt(String message, String keyString) throws GeneralSecurityException
+    {
+        SecretKeySpec sks = getSecretKeySpec(keyString);
+        Cipher cipher = Cipher.getInstance(CryptoUtils.AES);
+        cipher.init(Cipher.DECRYPT_MODE, sks);
+        byte[] decrypted = cipher.doFinal(hexStringToByteArray(message));
+        return new String(decrypted);
+    }
+
+    private static SecretKeySpec getSecretKeySpec(String keyString) throws NoSuchAlgorithmException
+    {
+        byte [] key = hexStringToByteArray(keyString);
+        SecretKeySpec sks = new SecretKeySpec(key, CryptoUtils.AES);
+        return sks;
+    }
+
+
+    private static String byteArrayToHexString(byte[] b){
+        StringBuffer sb = new StringBuffer(b.length * 2);
+        for (int i = 0; i < b.length; i++){
+            int v = b[i] & 0xff;
+            if (v < 16) {
+            	sb.append('0');
+            }
+            sb.append(Integer.toHexString(v));
+    }
+        return sb.toString().toUpperCase();
+    }
+
+    private static byte[] hexStringToByteArray(String s) {
+        byte[] b = new byte[s.length() / 2];
+        for (int i = 0; i < b.length; i++){
+            int index = i * 2;
+            int v = Integer.parseInt(s.substring(index, index + 2), 16);
+            b[i] = (byte)v;
+        }
+        return b;
+    }
+
+    /**
+     * Not Used... 
+     * 
+    * Call Rttp utility jar to encrypt pwd
+    * @param clearPassword
+    * @return
+    * @throws GeneralSecurityException 
+     * @throws Exception
+    *
+    public static String encryptRttpPwd(String clearPassword) throws GeneralSecurityException {
+        try {
+            return RttpBasicAuth.encrypt(clearPassword);
+        } catch (Exception e) {
+            // wrap generic exception
+            throw new GeneralSecurityException(e);
+        }
+    }
+    */
+}
+