diff --git a/MockMDS/pom.xml b/MockMDS/pom.xml
index d43fd842..4d1c49ac 100644
--- a/MockMDS/pom.xml
+++ b/MockMDS/pom.xml
@@ -109,7 +109,7 @@
 				<groupId>io.mosip.kernel</groupId>
 				<artifactId>kernel-core</artifactId>
 				<!-- <version>1.2.0-SNAPSHOT</version> -->
-				<version>1.0.6</version>
+				<version>1.2.0-SNAPSHOT</version>
 			</dependency>
 
 			<!-- https://mvnrepository.com/artifact/org.bitbucket.b_c/jose4j -->
diff --git a/MockMDS/src/main/java/io/mosip/mock/sbi/service/SBIServiceResponse.java b/MockMDS/src/main/java/io/mosip/mock/sbi/service/SBIServiceResponse.java
index aae8daf9..17dc7466 100644
--- a/MockMDS/src/main/java/io/mosip/mock/sbi/service/SBIServiceResponse.java
+++ b/MockMDS/src/main/java/io/mosip/mock/sbi/service/SBIServiceResponse.java
@@ -2213,7 +2213,7 @@ private BioMetricsDto getBiometricData (String transactionId, CaptureRequestDto
 				X509Certificate certificate = new JwtUtility().getCertificateToEncryptCaptureBioValue();
 				PublicKey publicKey = certificate.getPublicKey();
 				Map<String, String> cryptoResult = CryptoUtility.encrypt(publicKey,
-						java.util.Base64.getUrlDecoder().decode(bioValue), transactionId);
+						io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(bioValue), transactionId);
 				
 				biometricData.setTimestamp(cryptoResult.get("TIMESTAMP"));
 				biometricData.setBioValue(cryptoResult.containsKey("ENC_DATA") ? 
@@ -2252,7 +2252,7 @@ private BioMetricsDto getBiometricData (String transactionId, CaptureRequestDto
             previousBioDataHash = decodeHex(previousHash);
         }
         //instead of BioData, bioValue (before encrytion in case of Capture response) is used for computing the hash.
-        byte [] currentDataByteArr = java.util.Base64.getUrlDecoder().decode(bioValue);
+        byte [] currentDataByteArr = io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(bioValue);
         // Here Byte Array
         byte[] currentBioDataHash = generateHash (currentDataByteArr);
         byte[] finalBioDataHash = new byte[currentBioDataHash.length + previousBioDataHash.length];
diff --git a/MockMDS/src/main/java/io/mosip/mock/sbi/util/StringHelper.java b/MockMDS/src/main/java/io/mosip/mock/sbi/util/StringHelper.java
index eb2900aa..87c312ac 100644
--- a/MockMDS/src/main/java/io/mosip/mock/sbi/util/StringHelper.java
+++ b/MockMDS/src/main/java/io/mosip/mock/sbi/util/StringHelper.java
@@ -1,8 +1,8 @@
 package io.mosip.mock.sbi.util;
 
 import java.nio.charset.StandardCharsets;
-import java.util.Base64;
 
+import io.mosip.kernel.core.util.CryptoUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -11,19 +11,19 @@ public class StringHelper {
 
 	public static String base64UrlEncode (byte [] arg)
     {
-		return Base64.getUrlEncoder().encodeToString(arg);
+        return CryptoUtil.encodeToURLSafeBase64(arg);
     }
 
 	public static String base64UrlEncode (String arg)
     {
-		return Base64.getUrlEncoder().encodeToString(arg.getBytes());
+        return CryptoUtil.encodeToURLSafeBase64(arg.getBytes(StandardCharsets.UTF_8));
     }
 
     public static byte[] base64UrlDecode (String arg)
     {
-    	return Base64.getUrlDecoder().decode(arg);    
+    	return CryptoUtil.decodeURLSafeBase64(arg);
 	}
-    
+
     public static byte [] toUtf8ByteArray (String arg)
     {
         return arg.getBytes (StandardCharsets.UTF_8);
diff --git a/MockMDS/src/main/java/org/biometric/provider/CaptureRequest.java b/MockMDS/src/main/java/org/biometric/provider/CaptureRequest.java
index 0ad865fb..6bea8204 100644
--- a/MockMDS/src/main/java/org/biometric/provider/CaptureRequest.java
+++ b/MockMDS/src/main/java/org/biometric/provider/CaptureRequest.java
@@ -201,7 +201,7 @@ protected void doAuthCapture(HttpServletRequest request, HttpServletResponse res
 							X509Certificate certificate = new JwtUtility().getCertificateToEncryptCaptureBioValue();
 							PublicKey publicKey = certificate.getPublicKey();
 							Map<String, String> result = CryptoUtility.encrypt(publicKey,
-									java.util.Base64.getUrlDecoder().decode(dto.getBioValue()), captureRequestDto.transactionId);
+									io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(dto.getBioValue()), captureRequestDto.transactionId);
 
 							NewBioAuthDto data = buildAuthNewBioDto(dto, bio.type, bio.requestedScore,
 									captureRequestDto.transactionId, result);
diff --git a/MockMDS/src/main/java/org/biometric/provider/CryptoUtility.java b/MockMDS/src/main/java/org/biometric/provider/CryptoUtility.java
index 4a4bbfd2..984e0988 100644
--- a/MockMDS/src/main/java/org/biometric/provider/CryptoUtility.java
+++ b/MockMDS/src/main/java/org/biometric/provider/CryptoUtility.java
@@ -104,8 +104,8 @@ public static Map<String, String>  encrypt(PublicKey publicKey, byte[] dataBytes
 			final byte[] encryptedData = symmetricEncrypt(secretKey, dataBytes, ivBytes, aadBytes);			
 			final byte[] encryptedSymmetricKey =  asymmetricEncrypt(publicKey, secretKey.getEncoded());
 					
-			result.put("ENC_SESSION_KEY", java.util.Base64.getUrlEncoder().encodeToString(encryptedSymmetricKey));
-			result.put("ENC_DATA", java.util.Base64.getUrlEncoder().encodeToString(encryptedData));
+			result.put("ENC_SESSION_KEY", io.mosip.mock.sbi.util.StringHelper.base64UrlEncode(encryptedSymmetricKey));
+			result.put("ENC_DATA", io.mosip.mock.sbi.util.StringHelper.base64UrlEncode(encryptedData));
 			result.put("TIMESTAMP", timestamp);
 			
 		} catch(Exception ex) {
@@ -123,11 +123,11 @@ public static String decrypt(PrivateKey privateKey, String sessionKey, String da
 			byte[] aadBytes = getLastBytes(xorResult, 16);
 			byte[] ivBytes = getLastBytes(xorResult, 12);
 			
-			byte[] decodedSessionKey =  java.util.Base64.getUrlDecoder().decode(sessionKey);		
+			byte[] decodedSessionKey =  io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(sessionKey);		
 			final byte[] symmetricKey = asymmetricDecrypt(privateKey, decodedSessionKey);		
 			SecretKeySpec secretKeySpec = new SecretKeySpec(symmetricKey, "AES");
 			
-			byte[] decodedData =  java.util.Base64.getUrlDecoder().decode(data);
+			byte[] decodedData =  io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(data);
 			final byte[] decryptedData = symmetricDecrypt(secretKeySpec, decodedData, ivBytes, aadBytes);
 			return new String(decryptedData);
 			
@@ -279,14 +279,14 @@ public static void main(String[] args) throws Exception {
 		final byte[] encryptedData = symmetricEncrypt(secretKey, dataBytes, ivBytes, aadBytes);			
 		final byte[] encryptedSymmetricKey =  asymmetricEncrypt(pair.getPublic(), secretKey.getEncoded());
 		
-		String bioValue = java.util.Base64.getUrlEncoder().encodeToString(encryptedData);
-		String sessionKey = java.util.Base64.getUrlEncoder().encodeToString(encryptedSymmetricKey);
+		String bioValue = io.mosip.mock.sbi.util.StringHelper.base64UrlEncode(encryptedData);
+		String sessionKey = io.mosip.mock.sbi.util.StringHelper.base64UrlEncode(encryptedSymmetricKey);
 				
-		byte[] decodedSessionKey =  java.util.Base64.getUrlDecoder().decode(sessionKey);		
+		byte[] decodedSessionKey =  io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(sessionKey);		
 		final byte[] symmetricKey = asymmetricDecrypt(pair.getPrivate(), decodedSessionKey);		
 		SecretKeySpec secretKeySpec = new SecretKeySpec(symmetricKey, "AES");
 		
-		byte[] decodedBioValue =  java.util.Base64.getUrlDecoder().decode(bioValue);
+		byte[] decodedBioValue =  io.mosip.mock.sbi.util.StringHelper.base64UrlDecode(bioValue);
 		final byte[] decryptedData = symmetricDecrypt(secretKeySpec, decodedBioValue, ivBytes, aadBytes);
 		System.out.println(new String(decryptedData));
 	}
diff --git a/MockMDS/src/main/java/org/biometric/provider/DiscoverRequest.java b/MockMDS/src/main/java/org/biometric/provider/DiscoverRequest.java
index a84922e9..ede68a9c 100644
--- a/MockMDS/src/main/java/org/biometric/provider/DiscoverRequest.java
+++ b/MockMDS/src/main/java/org/biometric/provider/DiscoverRequest.java
@@ -219,7 +219,7 @@ private String getDigitalModality(Map<String, String> digitalIdMap) throws JsonP
 		digitalMap.put("model", digitalIdMap.get("model"));
 		digitalMap.put("deviceSubType", digitalIdMap.get("deviceSubType"));
 		digitalMap.put("type", digitalIdMap.get("type"));
-		return Base64.getUrlEncoder().encodeToString(oB.writeValueAsBytes(digitalMap));
+		return io.mosip.mock.sbi.util.StringHelper.base64UrlEncode(oB.writeValueAsBytes(digitalMap));
 	}
 
 	private String getTimeStamp() {