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

    namespace ASPNET.StarterKit.Commerce.Components
    {
        /// <summary>
        /// Summary description for Security.
        /// </summary>
        public class Security
        {
            //*********************************************************************
            //
            // Security.Encrypt() Method
            //
            // The Encrypt method encrypts a clean string into a hashed string
            //
            //*********************************************************************
            public static string Encrypt(string cleanString)
            {
                Byte[] clearBytes = new UnicodeEncoding().GetBytes(cleanString);
                Byte[] hashedBytes = ((HashAlgorithm) CryptoConfig.CreateFromName("MD5")).ComputeHash(clearBytes);

                return BitConverter.ToString(hashedBytes);
            }
        }
    }