diff --git a/pom.xml b/pom.xml
index cfbd703..6547be0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,11 +49,7 @@
 			<artifactId>decompress-archive-plugin</artifactId>
 			<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
 		</dependency>
-		<dependency>
-			<groupId>org.gcube.data.transfer</groupId>
-	<artifactId>sis-geotk-plugin</artifactId>
-	<version>LATEST</version>
-		</dependency>
+		
 
 
 		<dependency>
diff --git a/src/main/java/org/gcube/data/transfer/service/transfers/engine/impl/AbstractTicketHandler.java b/src/main/java/org/gcube/data/transfer/service/transfers/engine/impl/AbstractTicketHandler.java
index f1be9ab..67eeccf 100644
--- a/src/main/java/org/gcube/data/transfer/service/transfers/engine/impl/AbstractTicketHandler.java
+++ b/src/main/java/org/gcube/data/transfer/service/transfers/engine/impl/AbstractTicketHandler.java
@@ -9,6 +9,10 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.HashMap;
 import java.util.Map.Entry;
 import java.util.regex.Matcher;
@@ -40,11 +44,19 @@ public abstract class AbstractTicketHandler {
 	PersistenceProvider persistenceProvider;
 	PluginManager pluginManager;
 
+	
+	private MessageDigest md;
+	
 
 	public AbstractTicketHandler(PersistenceProvider persProv,PluginManager plugMan, TransferTicket ticket) {		
 		this.persistenceProvider=persProv;
 		this.pluginManager=plugMan;
 		this.ticket=ticket;
+		try {
+			md = MessageDigest.getInstance("SHA1");
+		} catch (NoSuchAlgorithmException e) {
+			throw new RuntimeException("Unable to initialize",e);
+		}
 	}
 
 	protected void onStep(String msg,double progress,Status status,long transferredBytes){
@@ -120,13 +132,16 @@ public abstract class AbstractTicketHandler {
 				throw new ManagedException("Cannot save file in host");
 			}
 			
-			transferStream(is, out);
+			String checksum=transferStream(is, out);
+			
 			completedTransfer=true;
 			// IF TRANSFER FAILS, EXCEPTIONS AR THROWN
 
-			log.debug("Completed transfer to {} , moving to destination {}  ",tempFile.getAbsolutePath(),destination.getAbsolutePath());
-			tempFile.renameTo(destination);
-
+			log.debug("Completed transfer to {} [ SHA1 : {}]. moving to destination {}  ",tempFile.getAbsolutePath(),checksum,destination.getAbsolutePath());
+			Files.copy(tempFile.toPath(), destination.toPath(),StandardCopyOption.REPLACE_EXISTING);
+			Files.deleteIfExists(tempFile.toPath());
+			log.debug("Moved. Size is [temp : {} , dest : {}] ",tempFile.length(),destination.length());
+			
 			//Plugin execution
 			if(ticket.getPluginInvocations()!=null){				
 				for(PluginInvocation invocation:ticket.getPluginInvocations()){
@@ -185,25 +200,37 @@ public abstract class AbstractTicketHandler {
 		return getTicket();
 	}
 
-
-	private void transferStream(InputStream in, OutputStream out) throws ManagedException{
-
+	
+	
+	private String transferStream(InputStream in, OutputStream out) throws ManagedException{
+		md.reset();
+		
 		long receivedTotal=0l;
 
 		try{
 			byte[] internalBuf=new byte[1024];
 			int received=0;
 			while ((received=in.read(internalBuf))!=-1){
+				md.update(internalBuf, 0, received);
 				out.write(internalBuf,0,received);
 				receivedTotal+=received;
 				onStep("Transferring",0d,Status.TRANSFERRING,receivedTotal);					            
 			}
 			out.flush();
+			
+			 byte[] mdbytes = md.digest();
+
+			//convert the byte to hex format
+		    StringBuffer sb = new StringBuffer("");
+		    for (int i = 0; i < mdbytes.length; i++) {
+		    	sb.append(Integer.toString((mdbytes[i] & 0xff) + 0x100, 16).substring(1));
+		    }
+		    log.debug("Completed transfer phase for ticket ID {}. Transferred {} bytes. ",ticket.getId(),receivedTotal);
+		    return sb.toString();
 		}catch(IOException e){
 			log.debug("Unable to read from source",e);
 			throw new ManagedException("Unable to read from source.");
 		}
-		log.debug("Completed transfer phase for ticket ID {}. Transferred {} bytes. ",ticket.getId(),receivedTotal);
 	}
 	
 	private InputStream getInputStream() throws ManagedException{