~wjc/HomeApp.git

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

			namespace ZigBee.Common
			{
			public static class EncryptionService
			{
			/// <summary>
			/// 使用DES进行加密
			/// </summary>
			/// <param name="pToEncrypt"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static string DESEncrypt(string pToEncrypt, string key)
			{
			using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
			{
			byte[] inputByteArray = Encoding.UTF8.GetBytes(pToEncrypt);
			des.Key = ASCIIEncoding.ASCII.GetBytes(key);
			des.IV = ASCIIEncoding.ASCII.GetBytes(key);

			MemoryStream ms = new MemoryStream();

			using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
			{
			cs.Write(inputByteArray, 0, inputByteArray.Length);
			cs.FlushFinalBlock();
			cs.Close();
			}
			string str = Convert.ToBase64String(ms.ToArray());
			ms.Close();
			return str;
			}
			}
			/// <summary>
			/// 使用DES进行解密
			/// </summary>
			/// <param name="pToDecrypt"></param>
			/// <param name="key"></param>
			/// <returns></returns>
			public static string DESDecrypt(string pToDecrypt, string key)
			{
			byte[] inputByteArray = Convert.FromBase64String(pToDecrypt);
			using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
			{
			des.Key = ASCIIEncoding.ASCII.GetBytes(key);
			des.IV = ASCIIEncoding.ASCII.GetBytes(key);

			MemoryStream ms = new MemoryStream();
			using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
			{
			cs.Write(inputByteArray, 0, inputByteArray.Length);
			cs.FlushFinalBlock();
			cs.Close();
			}
			string str = Encoding.UTF8.GetString(ms.ToArray());
			ms.Close();
			return str;
			}
			}
			}
			}