BN089-BS开发框架MVC4版/source20131023/Zephyr.Net/Zephyr.Utils/Security/SHA256.cs

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using System;
using System.Configuration;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.Security;
using System.IO;
using System.Security.Cryptography;

namespace Zephyr.Utils
{
    public partial class ZEncypt
    {
        #region SHA256函数
        /// <summary>
        /// SHA256函数
        /// </summary>
        /// /// <param name="str">原始字符串</param>
        /// <returns>SHA256结果</returns>
        public static string SHA256(string str)
        {
            byte[] SHA256Data = Encoding.UTF8.GetBytes(str);
            SHA256Managed Sha256 = new SHA256Managed();
            byte[] Result = Sha256.ComputeHash(SHA256Data);
            return Convert.ToBase64String(Result);  //返回长度为44字节的字符串
        }
        #endregion
    }
}