Enhancement to use the common CryptoUtils

Change-Id: I06718526382b424eab991f39a7dac1b5cf4f1b74
Issue-ID: POLICY-1422
Signed-off-by: pa834y <pa834y@att.com>

9 files changed, 111 insertions, 100 deletions

diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/PAPRestConfig.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/PAPRestConfig.java
index 614ba85df..9ccccff05 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/PAPRestConfig.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/PAPRestConfig.java
@@ -2,15 +2,15 @@
  * ============LICENSE_START=======================================================
  * ONAP-PAP-REST
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
  * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
  * ================================================================================
  * 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.
@@ -18,21 +18,20 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.pap.xacml.rest;
 
 import java.io.FileInputStream;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.Properties;
-
 import javax.annotation.PostConstruct;
 import javax.sql.DataSource;
-
 import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
 import org.hibernate.SessionFactory;
 import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
-import org.onap.policy.utils.CryptoUtils;
+import org.onap.policy.rest.XACMLRestProperties;
+import org.onap.policy.utils.PeCryptoUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
@@ -64,7 +63,8 @@ public class PAPRestConfig extends WebMvcConfigurerAdapter {
             setDbDriver(prop.getProperty("javax.persistence.jdbc.driver"));
             setDbUrl(prop.getProperty("javax.persistence.jdbc.url"));
             setDbUserName(prop.getProperty("javax.persistence.jdbc.user"));
-            setDbPassword( CryptoUtils.decryptTxtNoExStr(prop.getProperty("javax.persistence.jdbc.password", "")));
+            PeCryptoUtils.initAesKey(prop.getProperty(XACMLRestProperties.PROP_AES_KEY));
+            setDbPassword(PeCryptoUtils.decrypt(prop.getProperty("javax.persistence.jdbc.password")));
         }catch(Exception e){
             LOGGER.error("Exception Occured while loading properties file"+e);
         }
@@ -131,7 +131,7 @@ public class PAPRestConfig extends WebMvcConfigurerAdapter {
     }
 
     public static void setDbPassword(String dbPassword) {
-        PAPRestConfig.dbPassword = CryptoUtils.decryptTxtNoExStr(dbPassword);
+        PAPRestConfig.dbPassword = dbPassword;
     }
 
 }
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/UpdateOthersPAPS.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/UpdateOthersPAPS.java
index bd000381b..22f919e4b 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/UpdateOthersPAPS.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/UpdateOthersPAPS.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PAP-REST
  * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018-2019 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.
@@ -17,8 +17,11 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.pap.xacml.rest;
 
+import com.att.research.xacml.util.XACMLProperties;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
@@ -30,10 +33,8 @@ import java.util.Base64;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-
 import org.json.JSONObject;
 import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
@@ -45,7 +46,7 @@ import org.onap.policy.rest.dao.CommonClassDao;
 import org.onap.policy.rest.jpa.ActionBodyEntity;
 import org.onap.policy.rest.jpa.ConfigurationDataEntity;
 import org.onap.policy.rest.jpa.PolicyDBDaoEntity;
-import org.onap.policy.utils.CryptoUtils;
+import org.onap.policy.utils.PeCryptoUtils;
 import org.onap.policy.xacml.api.XACMLErrorConstants;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpEntity;
@@ -60,12 +61,10 @@ import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.RestTemplate;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 @Controller
 public class UpdateOthersPAPS {
 
-    private static final Logger	policyLogger	= FlexLogger.getLogger(UpdateOthersPAPS.class);
+    private static final Logger policyLogger = FlexLogger.getLogger(UpdateOthersPAPS.class);
 
     private static CommonClassDao commonClassDao;
 
@@ -82,7 +81,7 @@ public class UpdateOthersPAPS {
     }
 
     @Autowired
-    private UpdateOthersPAPS(CommonClassDao commonClassDao){
+    private UpdateOthersPAPS(CommonClassDao commonClassDao) {
         UpdateOthersPAPS.commonClassDao = commonClassDao;
     }
 
@@ -110,14 +109,15 @@ public class UpdateOthersPAPS {
                     String password = papId.getPassword();
                     Base64.Encoder encoder = Base64.getEncoder();
                     String txt;
-                    try{
-                        txt = new String(CryptoUtils.decryptTxt(password), StandardCharsets.UTF_8);
-                    } catch(Exception e){
+                    try {
+                        PeCryptoUtils.initAesKey(XACMLProperties.getProperty(XACMLRestProperties.PROP_AES_KEY));
+                        txt = PeCryptoUtils.decrypt(password);
+                    } catch (Exception e) {
                         policyLogger.debug(e);
                         //if we can't decrypt, might as well try it anyway
                         txt = password;
                     }
-                    String encoding = encoder.encodeToString((userName+":"+txt).getBytes(StandardCharsets.UTF_8));
+                    String encoding = encoder.encodeToString((userName + ":" + txt).getBytes(StandardCharsets.UTF_8));
                     HttpHeaders headers = new HttpHeaders();
                     headers.set("Authorization", "Basic " + encoding);
                     headers.set("Content-Type", contentType);
@@ -237,4 +237,4 @@ public class UpdateOthersPAPS {
             policyLogger.error("Exception Occured While closing the File input stream"+e);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
index 889905eb6..f2e038721 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
@@ -75,7 +75,7 @@ import org.onap.policy.pap.xacml.restAuth.CheckPDP;
 import org.onap.policy.rest.XACMLRest;
 import org.onap.policy.rest.XACMLRestProperties;
 import org.onap.policy.rest.dao.PolicyDBException;
-import org.onap.policy.utils.CryptoUtils;
+import org.onap.policy.utils.PeCryptoUtils;
 import org.onap.policy.utils.PolicyUtils;
 import org.onap.policy.xacml.api.XACMLErrorConstants;
 import org.onap.policy.xacml.api.pap.ONAPPapEngineFactory;
@@ -89,7 +89,7 @@ import org.onap.policy.xacml.std.pap.StdPDPPolicy;
 import org.onap.policy.xacml.std.pap.StdPDPStatus;
 
 /**
- * Servlet implementation class XacmlPapServlet
+ * Servlet implementation class XacmlPapServlet.
  */
 @WebServlet(description = "Implements the XACML PAP RESTful API.", urlPatterns = {"/"},
         loadOnStartup = 1,
@@ -264,14 +264,13 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
             }
             // Create an IntegrityMonitor
             if (properties.getProperty(PERSISTENCE_JDBC_PWD) != null) {
-                properties.setProperty(PERSISTENCE_JDBC_PWD, CryptoUtils
-                        .decryptTxtNoExStr(properties.getProperty(PERSISTENCE_JDBC_PWD, "")));
+                properties.setProperty(PERSISTENCE_JDBC_PWD,
+                        PeCryptoUtils.decrypt(properties.getProperty(PERSISTENCE_JDBC_PWD, "")));
             }
             im = IntegrityMonitor.getInstance(papResourceName, properties);
             // Create an IntegrityAudit
             ia = new IntegrityAudit(papResourceName, AUDIT_PAP_PERSISTENCE_UNIT, properties);
             ia.startAuditThread();
-
             // we are about to call the PDPs and give them their configuration.
             // To do that we need to have the URL of this PAP so we can
             // construct the Policy file URLs
@@ -298,7 +297,8 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 
                 LOGGER.info("PapServlet: calling auditLocalFileSystem for PDP group audit");
                 LOGGER.info("PapServlet: old group is " + papEngine.getDefaultGroup().toString());
-                // get the current filesystem group and update from the database if needed
+                // get the current filesystem group and update from the database
+                // if needed
                 StdPDPGroup group = (StdPDPGroup) papEngine.getDefaultGroup();
                 StdPDPGroup updatedGroup = policyDbDao.auditLocalFileSystem(group);
                 if (updatedGroup != null) {
@@ -456,8 +456,8 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
             throw new PAPException("papDbUser is null");
         }
         setPapDbUser(papDbUser);
-        papDbPd = CryptoUtils.decryptTxtNoExStr(
-                XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_PASSWORD, ""));
+        PeCryptoUtils.initAesKey(XACMLProperties.getProperty(XACMLRestProperties.PROP_AES_KEY));
+        papDbPd = PeCryptoUtils.decrypt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_PASSWORD));
         if (papDbPd == null) {
             PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, "XACMLPapServlet",
                     " ERROR: Bad papDbPassword property entry");
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/NotifyOtherPaps.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/NotifyOtherPaps.java
index cd02c2bfe..2e2a74015 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/NotifyOtherPaps.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/NotifyOtherPaps.java
@@ -35,7 +35,7 @@ import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
 import org.onap.policy.rest.XACMLRestProperties;
 import org.onap.policy.rest.jpa.PolicyDBDaoEntity;
-import org.onap.policy.utils.CryptoUtils;
+import org.onap.policy.utils.PeCryptoUtils;
 
 public class NotifyOtherPaps {
 
@@ -108,7 +108,7 @@ public class NotifyOtherPaps {
             String username = dbdEntity.getUsername();
             String txt;
             try {
-                txt = new String(CryptoUtils.decryptTxt(dbdEntity.getPassword()), StandardCharsets.UTF_8);
+                txt = PeCryptoUtils.decrypt(dbdEntity.getPassword());
             } catch (Exception e) {
                 LOGGER.debug(e);
                 // if we can't decrypt, might as well try it anyway
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
index 9f5933850..9a39b6ed1 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
@@ -58,7 +58,7 @@ import org.onap.policy.rest.jpa.GroupEntity;
 import org.onap.policy.rest.jpa.PdpEntity;
 import org.onap.policy.rest.jpa.PolicyDBDaoEntity;
 import org.onap.policy.rest.jpa.PolicyEntity;
-import org.onap.policy.utils.CryptoUtils;
+import org.onap.policy.utils.PeCryptoUtils;
 import org.onap.policy.xacml.api.XACMLErrorConstants;
 import org.onap.policy.xacml.api.pap.OnapPDP;
 import org.onap.policy.xacml.api.pap.OnapPDPGroup;
@@ -280,7 +280,7 @@ public class PolicyDBDao {
         }
         if (urlUserPass[2] == null || "".equals(urlUserPass[2])) {
             String passwordPropertyValue =
-                    XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_PASS);
+                    PeCryptoUtils.decrypt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_PASS));
             if (passwordPropertyValue != null) {
                 urlUserPass[2] = passwordPropertyValue;
             }
@@ -343,14 +343,7 @@ public class PolicyDBDao {
         }
 
         // encrypt the password
-        String txt = null;
-        try {
-            txt = CryptoUtils.encryptTxt(url[2].getBytes(StandardCharsets.UTF_8));
-        } catch (Exception e) {
-            logger.debug(e);
-            PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, POLICYDBDAO_VAR,
-                    "Could not encrypt PAP password");
-        }
+        String txt = PeCryptoUtils.encrypt(url[2]);
         if (foundPolicyDBDaoEntity == null) {
             PolicyDBDaoEntity newPolicyDBDaoEntity = new PolicyDBDaoEntity();
             newPolicyDBDaoEntity.setPolicyDBDaoUrl(url[0]);
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/elk/client/ElasticSearchPolicyUpdate.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/elk/client/ElasticSearchPolicyUpdate.java
index 79b07e2b9..f04be861b 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/elk/client/ElasticSearchPolicyUpdate.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/elk/client/ElasticSearchPolicyUpdate.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP Policy Engine
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -17,8 +17,17 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.pap.xacml.rest.elk.client;
 
+import com.google.gson.Gson;
+import io.searchbox.client.JestClientFactory;
+import io.searchbox.client.config.HttpClientConfig;
+import io.searchbox.client.http.JestHttpClient;
+import io.searchbox.core.Bulk;
+import io.searchbox.core.Bulk.Builder;
+import io.searchbox.core.BulkResult;
+import io.searchbox.core.Index;
 import java.io.ByteArrayInputStream;
 import java.io.FileInputStream;
 import java.io.InputStream;
@@ -34,21 +43,6 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Properties;
-
-import org.onap.policy.common.logging.flexlogger.FlexLogger;
-import org.onap.policy.common.logging.flexlogger.Logger;
-import org.onap.policy.utils.CryptoUtils;
-import org.onap.policy.xacml.util.XACMLPolicyScanner;
-
-import com.google.gson.Gson;
-
-import io.searchbox.client.JestClientFactory;
-import io.searchbox.client.config.HttpClientConfig;
-import io.searchbox.client.http.JestHttpClient;
-import io.searchbox.core.Bulk;
-import io.searchbox.core.Bulk.Builder;
-import io.searchbox.core.BulkResult;
-import io.searchbox.core.Index;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
@@ -56,24 +50,28 @@ import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.utils.PeCryptoUtils;
+import org.onap.policy.xacml.util.XACMLPolicyScanner;
 
 
 
 /**
- * This code will deals with parsing the XACML content on reading from 
+ * This code will deals with parsing the XACML content on reading from
  * database(PolicyEntity, ConfigurationDataEntity and ActionBodyEntity tables)
  * and convert the data into json to do bulk operation on putting to elastic search database.
  * Which is used to support Elastic Search in Policy Application GUI to search policies.
- * 
- * 
- * 
+ *
+ *
+ *
  * properties should be configured in policyelk.properties
  *
  */
 public class ElasticSearchPolicyUpdate {
 
     private static final Logger LOGGER = FlexLogger.getLogger(ElasticSearchPolicyUpdate.class);
-    protected final static JestClientFactory jestFactory = new JestClientFactory();
+    protected static final JestClientFactory jestFactory = new JestClientFactory();
 
     public static void main(String[] args) {
 
@@ -86,23 +84,24 @@ public class ElasticSearchPolicyUpdate {
         String propertyFile = System.getProperty("PROPERTY_FILE");
         Properties config = new Properties();
         Path file = Paths.get(propertyFile);
-        if(!file.toFile().exists()){
+        if (!file.toFile().exists()) {
             LOGGER.error("Config File doesn't Exist in the specified Path " + file.toString());
-        }else{
-            if(file.toString().endsWith(".properties")){
+        } else {
+            if (file.toString().endsWith(".properties")) {
                 try {
                     InputStream in = new FileInputStream(file.toFile());
                     config.load(in);
                     elkURL = config.getProperty("policy.elk.url");
                     databseUrl = config.getProperty("policy.database.url");
                     userName = config.getProperty("policy.database.username");
-                    txt = CryptoUtils.decryptTxtNoExStr(config.getProperty("policy.database.password"));
+                    txt = PeCryptoUtils.decrypt(config.getProperty("policy.database.password"));
                     databaseDriver = config.getProperty("policy.database.driver");
-                    if(elkURL == null || databseUrl == null || userName == null || txt == null || databaseDriver == null){
+                    if (elkURL == null || databseUrl == null || userName == null || txt == null
+                            || databaseDriver == null) {
                         LOGGER.error("please check the elk configuration");
                     }
                 } catch (Exception e) {
-                    LOGGER.error("Config File doesn't Exist in the specified Path " + file.toString(),e);
+                    LOGGER.error("Config File doesn't Exist in the specified Path " + file.toString(), e);
                 }
             }
         }
@@ -379,4 +378,4 @@ public class ElasticSearchPolicyUpdate {
                 }
            }
     }
-}
\ No newline at end of file
+}
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/AuthenticationService.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/AuthenticationService.java
index 0ac6c7009..10cc81549 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/AuthenticationService.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/AuthenticationService.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PAP-REST
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -20,32 +20,48 @@
 
 package org.onap.policy.pap.xacml.restAuth;
 
+import com.att.research.xacml.util.XACMLProperties;
+import java.nio.charset.StandardCharsets;
 import java.util.Base64;
 import java.util.StringTokenizer;
-
 import org.onap.policy.common.logging.eelf.MessageCodes;
 import org.onap.policy.common.logging.eelf.PolicyLogger;
 import org.onap.policy.rest.XACMLRestProperties;
-import org.onap.policy.utils.CryptoUtils;
-
-import com.att.research.xacml.util.XACMLProperties;
+import org.onap.policy.utils.PeCryptoUtils;
 
 public class AuthenticationService {
-    private String papID = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_USERID);
-    private String papPass = CryptoUtils.decryptTxtNoExStr(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_PASS));
+    private String papId = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_USERID);
+    private String papPass = null;
 
+    /**
+     * Authenticate.
+     *
+     * @param authCredentials the auth credentials
+     * @return true, if successful
+     */
     public boolean authenticate(String authCredentials) {
 
-        if (null == authCredentials)
+        if (null == authCredentials) {
             return false;
+        }
         // header value format will be "Basic encodedstring" for Basic authentication.
-        final String encodedUserPassword = authCredentials.replaceFirst("Basic"	+ " ", "");
+        final String encodedUserPassword = authCredentials.replaceFirst("Basic" + " ", "");
         String usernameAndPassword = null;
+
+        try {
+            String secretKey = XACMLProperties.getProperty(XACMLRestProperties.PROP_AES_KEY);
+            PeCryptoUtils.initAesKey(secretKey);
+            papPass = PeCryptoUtils.decrypt(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_PASS));
+        } catch (Exception e) {
+            PolicyLogger.error(e);
+        }
+
         try {
             byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
-            usernameAndPassword = new String(decodedBytes, "UTF-8");
+            usernameAndPassword = new String(decodedBytes, StandardCharsets.UTF_8);
         } catch (Exception e) {
-            PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService", "Exception decoding username and password");
+            PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService",
+                    "Exception decoding username and password");
             return false;
         }
         try {
@@ -53,10 +69,10 @@ public class AuthenticationService {
             final String username = tokenizer.nextToken();
             final String password = tokenizer.nextToken();
 
-            boolean authenticationStatus = papID.equals(username)	&& papPass.equals(password);
-            return authenticationStatus;
-        } catch (Exception e){
-            PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService", "Exception authenticating user");
+            return papId.equals(username) && papPass.equals(password);
+        } catch (Exception e) {
+            PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AuthenticationService",
+                    "Exception authenticating user");
             return false;
         }
     }
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/CheckPDP.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/CheckPDP.java
index cddcb2a4c..181dd0910 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/CheckPDP.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/restAuth/CheckPDP.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PAP-REST
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017,2019 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.
@@ -20,6 +20,7 @@
 
 package org.onap.policy.pap.xacml.restAuth;
 
+import com.att.research.xacml.api.pap.PAPException;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -36,16 +37,14 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Objects;
 import java.util.Properties;
-
 import org.onap.policy.common.logging.eelf.MessageCodes;
 import org.onap.policy.common.logging.eelf.PolicyLogger;
 import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
 import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
+import org.onap.policy.utils.PeCryptoUtils;
 import org.onap.policy.xacml.api.XACMLErrorConstants;
 
-import com.att.research.xacml.api.pap.PAPException;
-
 public class CheckPDP {
 
     private static Path pdpPath = null;
@@ -148,7 +147,7 @@ public class CheckPDP {
             if(pdpValues.size()==3){
                 // 1:2 will be UserID:Password
                 String userID = pdpValues.get(1);
-                String pass = pdpValues.get(2);
+                String pass = PeCryptoUtils.decrypt(pdpValues.get(2));
                 Base64.Encoder encoder = Base64.getEncoder();
                 // 0 - PDPURL
                 pdpMap.put(pdpValues.get(0), encoder.encodeToString((userID+":"+pass).getBytes(StandardCharsets.UTF_8)));
diff --git a/ONAP-PAP-REST/xacml.pap.properties b/ONAP-PAP-REST/xacml.pap.properties
index c26e96ff9..6ce51473d 100644
--- a/ONAP-PAP-REST/xacml.pap.properties
+++ b/ONAP-PAP-REST/xacml.pap.properties
@@ -2,7 +2,7 @@
 # ============LICENSE_START=======================================================
 # ONAP-PAP-REST
 # ================================================================================
-# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+# Copyright (C) 2017-2019 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.
@@ -158,4 +158,8 @@ CLIENT_KEY=
 
 #Micro Service Model Properties
 xacml.policy.msOnapName=http://org.onap
-xacml.policy.msPolicyName=http://org.onap.policy
\ No newline at end of file
+xacml.policy.msPolicyName=http://org.onap.policy
+
+
+# AES key for password encryption in config files
+#org.onap.policy.encryption.aes.key=12345678901234567890123456789012