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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 6-24 extracted from chapter Security


Listing 6-23<     > Listing 6-25


This listing can be compiled with the command line:
csc.exe /target:exe Example_6_24.cs
Errors: 0 Warnings: 0


Example_6_24.cs
using System.Security.Cryptography;
class Program {
   static void Main() {
      string sMsg = "01234567890123456789012345678901";
      System.Text.Encoding utf = new System.Text.UTF8Encoding();
      System.Console.WriteLine("Message  : " + sMsg);
      byte[] bMsg = utf.GetBytes(sMsg);
      ProtectedMemory.Protect( bMsg, MemoryProtectionScope.SameProcess );
      System.Console.WriteLine("Encrypted: " + utf.GetString(bMsg));
      ProtectedMemory.Unprotect( bMsg, MemoryProtectionScope.SameProcess );
      System.Console.WriteLine("Decrypted: " + utf.GetString(bMsg));
   }
}	
Copyright Patrick Smacchia 2006 2007