Encrypted/Decrypted string : ProtectedData : Security C# Examples

    
using  System;
using  System.Text;
using  System.Security.Cryptography;

class  MainClass
{
        public  static  void  Main()
        {
                string  str  =  "string";

                byte[]  entropy  =  {  0,  1,  2,  3,  4,  5,  6,  7,  8  };

                byte[]  enc  =  ProtectedData.Protect(Encoding.Unicode.GetBytes(str),  entropy,  DataProtectionScope.LocalMachine);

                Console.WriteLine("\nEncrypted  string  =  {0}",  BitConverter.ToString(enc));

                byte[]  dec  =  ProtectedData.Unprotect(enc,  entropy,  DataProtectionScope.CurrentUser);

                Console.WriteLine("\nDecrypted  data  using  CurrentUser  scope  =  {0}",  Encoding.Unicode.GetString(dec));
        }
}