Using the AP .Net APIs

using System;
using System.Collections.Generic;
using System.Text;
using Protegrity.Net;
using Protegrity.PException;

namespace APDotNetTest
{
    /**********************************************************************************************/
    /**
     * @class   Program
     *
     * @brief   A sample program for Application .NET Protector.
     *
     **************************************************************************************************/
    class Program
    {
        private const string dataElementName = "alphanum";
        private const string newDataElementName = "alphanumreprot";
        private const string userName = "policyuser";


        /**********************************************************************************************/
        /**
         * @fn  static void Main(string[] args)
         *
         * @brief   Main entry-point for this application
         *
         * @param   args    An array of command-line argument strings.
         **************************************************************************************************/

        static void Main(string[] args)
        { 
            try
            {
                /* Dispose() is a method defined by the IDisposable interface in .NET. 
                 * It’s used to release unmanaged resources.
                 * .NET garbage collector only cleans up managed memory. If your class uses unmanaged resources, 
                 * you must clean them up manually — and that’s what Dispose() is for.
                 * 
                 * ====================
                 * With using 
                 * ====================
                 * You're telling the compiler:
                 * "Create this object, and automatically call Dispose() on it 
                 * when it goes out of scope."
                 * This is called a using declaration, and it ensures that cleanup happens even if
                 * an exception occurs.
                 * 
                 * ======================
                 * Without using
                 * ======================
                 * You have to call dispose manually.
                 */

                using Protector protector = Protector.GetProtector();

                /**
                 * Sample input string data for single operations.
                 */
                string singleInput = "Hello Protegrity";
                byte[] singleByteInput = Encoding.UTF8.GetBytes(singleInput);

                Console.WriteLine("#########################################");
                Console.WriteLine("# Protegrity Application .NET Protector #");
                Console.WriteLine("#########################################\n");

                /**
                 * Calling GetVersion to print APDotNet sdk and Core version.
                 */
                Console.WriteLine(protector.GetVersion() + "\n");
                Console.WriteLine("--------------------------------------");
                Console.WriteLine("-     Single Protect API             -");
                Console.WriteLine("--------------------------------------");
                Console.WriteLine($"Input Data is:        {singleInput}\n");


                /**
                 * Use protector object to call single string Protect API.
                 */
                string protectedData = protector.Protect(singleInput, userName, dataElementName);
                Console.WriteLine("With String Data Type");
                Console.WriteLine("-----------------------");
                Console.WriteLine($"Protected Data is:    {protectedData}");

                /**
                 * Use protector object to call single string Unprotect API
                 */
                string unprotectedData = protector.Unprotect(protectedData, userName, dataElementName);
                Console.WriteLine($"Unprotected Data is:  {unprotectedData}\n");

                /**
                * Use protector object to call single string Reprotect API.
                */
                string reprotectedData = protector.Reprotect(protectedData, userName, dataElementName, newDataElementName);
                Console.WriteLine($"Reprotected Data is:  {reprotectedData}");

                /**
                 * Use protector object to call single string Unprotect API
                 */
                string unprotectReprotectedData = protector.Unprotect(reprotectedData, userName, newDataElementName);
                Console.WriteLine($"Unprotected Data is:  {unprotectReprotectedData}\n");

                /** 
                 * Use protector object to call single byte Protect API.
                 */
                byte[] byteProtectedData = protector.Protect(singleByteInput, userName, dataElementName);
                Console.WriteLine("With Byte Data Type");
                Console.WriteLine("----------------------");
                Console.WriteLine($"Protected Byte Data is:    {Encoding.UTF8.GetString(byteProtectedData)}");

                /**
                 * Use protector object to call single byte Unprotect API
                 */
                byte[] byteUnprotectedData = protector.Unprotect(byteProtectedData, userName, dataElementName);
                Console.WriteLine($"Unprotected Byte Data is:  {Encoding.UTF8.GetString(byteUnprotectedData)}\n");

                /**
                 * Use protector object to call single byte Reprotect API.
                 */
                byte[] byteReprotectedData = protector.Reprotect(byteProtectedData, userName, dataElementName, newDataElementName);
                Console.WriteLine($"Reprotected Byte Data is:  {Encoding.UTF8.GetString(byteReprotectedData)}");

                /**
                 * Use protector object to call single byte Unprotect API
                 */
                byte[] byteUnprotectReprotectedData = protector.Unprotect(byteReprotectedData, userName, newDataElementName);
                Console.WriteLine($"Unprotected Byte Data is:  {Encoding.UTF8.GetString(byteUnprotectReprotectedData)}");
                Console.WriteLine("\n");

                /**
                 * Sample bulk string input data
                 */
                string[] bulkInput = { "The Alpha-numeric token type tokenizes all alphabetic symbols (both lowercase and uppercase letters), as well as digits.", "Digits 0 through 9, Lowercase letters a through z, Uppercase letters A through Z", "alphanumeric data 1234567890 !@#$%^&* with special characters", "ALL THE CHARACTERS IN THIS STRING ARE UPPERCASE", "UPPERCASE WITH 1234567890 NUMBERS AND !@#$%^&*() SPECIAL CHARACTERS" };
                List<byte[]> byteBulkInput = new List<byte[]>(bulkInput.Length);

                Console.WriteLine("--------------------------------------");
                Console.WriteLine("-         Bulk Protect API           -");
                Console.WriteLine("--------------------------------------");

                Console.WriteLine("Input Data is:");

                /**
                 * Converting string data to byte data.
                 */
                for (int i = 0; i < bulkInput.Length; i++)
                {
                    Console.WriteLine($"{bulkInput[i]}");
                    byteBulkInput.Add(Encoding.UTF8.GetBytes(bulkInput[i]));
                }

                Console.WriteLine("\n");
                Console.WriteLine("With String Data Type");
                Console.WriteLine("----------------------");

                /**
                 * Use protector object to call bulk string Protect API
                 */
                Tuple<string[], int[]> bulkProtectedData = protector.Protect(bulkInput, userName, dataElementName);
                Console.WriteLine("Protected Data is: ");
                for (int i = 0; i < bulkProtectedData.Item1.Length; i++)
                {
                    Console.WriteLine(bulkProtectedData.Item1[i] + " " + bulkProtectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                 * Use protector object to call bulk string Unprotect API
                 */
                Tuple<string[], int[]> bulkUnprotectedData = protector.Unprotect(bulkProtectedData.Item1, userName, dataElementName);
                Console.WriteLine("Unprotected Data is: ");
                for (int i = 0; i < bulkUnprotectedData.Item1.Length; i++)
                {
                    Console.WriteLine(bulkUnprotectedData.Item1[i] + " " + bulkUnprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                 * Use protector object to call bulk string Reprotect API
                 */
                Tuple<string[], int[]> bulkReprotectedData = protector.Reprotect(bulkProtectedData.Item1, userName, dataElementName, newDataElementName);
                Console.WriteLine("Reprotected Data is: ");
                for (int i = 0; i < bulkReprotectedData.Item1.Length; i++)
                {
                    Console.WriteLine(bulkReprotectedData.Item1[i] + " " + bulkReprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                * Use protector object to call bulk string Unprotect API
                */
                Tuple<string[], int[]> bulkUnprotectReprotectedData = protector.Unprotect(bulkReprotectedData.Item1, userName, newDataElementName);
                Console.WriteLine("Unprotected Data is: ");
                for (int i = 0; i < bulkUnprotectReprotectedData.Item1.Length; i++)
                {
                    Console.WriteLine(bulkUnprotectReprotectedData.Item1[i] + " " + bulkUnprotectReprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                Console.WriteLine("With Byte Data Type");
                Console.WriteLine("----------------------");

                /**
                 * Use protector object to call bulk byte Protect API
                 */
                Tuple<List<byte[]>, int[]> byteBulkProtectedData = protector.Protect(byteBulkInput, userName, dataElementName);
                Console.WriteLine("Protected Data is: ");
                for (int i = 0; i < byteBulkProtectedData.Item1.Count; i++)
                {
                    Console.WriteLine(Encoding.UTF8.GetString(byteBulkProtectedData.Item1[i]) + " " + byteBulkProtectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                * Use protector object to call bulk byte Unprotect API
                */
                Tuple<List<byte[]>, int[]> byteBulkUnprotectedData = protector.Unprotect(byteBulkProtectedData.Item1, userName, dataElementName);
                Console.WriteLine("Unprotected Data is: ");
                for (int i = 0; i < byteBulkUnprotectedData.Item1.Count; i++)
                {
                    Console.WriteLine(Encoding.UTF8.GetString(byteBulkUnprotectedData.Item1[i]) + " " + byteBulkUnprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                * Use protector object to call bulk byte Reprotect API
                */
                Tuple<List<byte[]>, int[]> byteBulkReprotectedData = protector.Reprotect(byteBulkProtectedData.Item1, userName, dataElementName, newDataElementName);
                Console.WriteLine("Reprotected Data is: ");
                for (int i = 0; i < byteBulkReprotectedData.Item1.Count; i++)
                {
                    Console.WriteLine(Encoding.UTF8.GetString(byteBulkReprotectedData.Item1[i]) + " " + byteBulkReprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");

                /**
                * Use protector object to call bulk byte Unprotect API
                */
                Tuple<List<byte[]>, int[]> byteBulkUnprotectReprotectedData = protector.Unprotect(byteBulkReprotectedData.Item1, userName, newDataElementName);
                Console.WriteLine("Unprotected Data is: ");
                for (int i = 0; i < byteBulkUnprotectReprotectedData.Item1.Count; i++)
                {
                    Console.WriteLine(Encoding.UTF8.GetString(byteBulkUnprotectReprotectedData.Item1[i]) + " " + byteBulkUnprotectReprotectedData.Item2[i]);
                }
                Console.WriteLine("\n");
            }
            catch (ProtectorException e)
            {
                Console.WriteLine(e);
            }
        } /* End scope of main function */

    } /* End scope of class */

} /* closure of namespace */