ASP.NET C# MD5加密

    

string strMd5 = Md5Hash(str.ToString());

string strMd5 = Md5Hash("213243");

    /// <summary>

    /// 32位MD5加密\using System.Text/using System.Security.Cryptography
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    private static string Md5Hash(string input)
    {
        MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
        byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));
        StringBuilder sBuilder = new StringBuilder();
        for (int i = 0; i < data.Length; i++)
        {
            sBuilder.Append(data[i].ToString("x2"));
        }
        return sBuilder.ToString();
    }