Base64加密加密和解密

2015-10-28 14:22:01 访问(2226) 赞(0) 踩(0)

using System;
using System.Collections.Generic;
using System.Text;

namespace eKing.GpsDataInfo.Helpers
{
    /// <summary>
    /// Base64加密加密和解密
    /// </summary>
    public class CSharpBase64Helper
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="str"></param>
        /// <param name="en"></param>
        /// <returns></returns>
        public static string Base64En(string str, System.Text.Encoding en)
        {
            if (str == null || str.Length == 0)
                return "";

            try
            {
                byte[] bytes = en.GetBytes(str);
                return Convert.ToBase64String(bytes);
            }
            catch (Exception err)
            {
                throw err;
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="str"></param>
        /// <param name="en"></param>
        /// <returns></returns>
        public static string Base64De(string str, System.Text.Encoding en)
        {
            if (str == null || str.Length == 0)
                return "";

            try
            {
                byte[] outputb = Convert.FromBase64String(str);

                return en.GetString(outputb);
            }
            catch (Exception err)
            {
                throw err;
            }
        }

    }
}