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<%@ page language="java" %>
<%@ page contentType="text/html; charset=ISO-8859-1" %>
<%@ page import="com.mobipocket.drm.Crypto" %>

<%
/*----------------------------------------
 Generation of Hash Code
 for New Transaction
web
service 
----------------------------------------
*/

String PlainData;
String HashCode;

String CommerceID;
String RetailerKey;

String BookID;
String RetailerTrans;
String RetailerUserID;
CommerceID = "MyCommerceID"; // replace this string by your CommerceID 
RetailerKey= "Mykey";  // replace this string by your retailer private key

BookID = "6716";RetailerTrans = "125";  //replace this by the purchase transaction ID in your system
RetailerUserID = "75860"; 

// Step 1. make the Plain DATA string CommerceID+RetailerUserID+BookId+RetailerTrans
PlainData = CommerceID + RetailerUserID + BookID + RetailerTrans;

//Step 2. encode the Plain DATA string
Crypto c = new Crypto();
c.setKey(RetailerKey.getBytes());

HashCode = c.encode(PlainData);

%>