ASP.NET 2.0的MD5加密函数

FormsAuthentication.HashPasswordForStoringInConfigFile("木子屋", "MD5")

public string MD5(string str, Encoding encode)
{
    MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
    byte[] data = provider.ComputeHash(encode.GetBytes(str));
    StringBuilder builder = new StringBuilder();
    for (int i = 0; i < data.Length; i++)
    {
        builder.Append(data[i].ToString("x2"));
    }
    return builder.ToString();
}

public string MD5(string str, Encoding encode)
{
    using (MD5 md5Hash = MD5.Create())
    {
        byte[] data = md5Hash.ComputeHash(encode.GetBytes(str));
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < data.Length; i++)
        {
            builder.Append(data[i].ToString("x2"));
        }
        return builder.ToString();
    }
}