Common/Cryptography.cs

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using System;
using System.Collections.Generic;

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

namespace Common
{
    /// <summary>
    /// 密码加密类
    /// </summary>
    public class Cryptography
    {
        public Cryptography()
        {
        }

        /// <summary>
        /// MD5加密方式加密
        /// </summary>
        /// <param name="s">需要加密的字符串</param>
        /// <returns>经过md5加密过的字符串</returns>
        public static string MD5(string s)
        {
            byte[] b = Encoding.Default.GetBytes(s);
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] result = md5.ComputeHash(b);
            s = "";
            for (int i = 0; i < result.Length; i++)
            {
                s += result[i].ToString("x").PadLeft(2, '0');
            }
            return s;
        }
    }
}