ASP.NET中散列加密密码


private void LoginButton_Click(object sender,System.EventArgs e)
{
    String sql=String.Format("select password from Administrator where AdminID='{0}',UseridBox.Text);
    SqlConnection conn=new SqlConnection(ConfigurationSettings.AppSettings["connectionString"]);
    SqlDataReader myreader=new SqlCommand(sql,conn).ExecuteReader();
    if(myreader.Read())
    {
        String hashed=FormsAuthentication.HashPasswordForStoringInConfigFile(PasswordTextBox.Text,"SHA1");
        //将用户输入的密码哈希后再与数据库是的哈希值进行比较
        if(hash==myreader["password"]).ToString())
        {
            FormsAuthentication.RedirectFromLoginPage(UseridBox.Text,true);//转到请求页
        }
        else
            Result.Text="密码错误";
    }
    else
        Result.Text="用户不存在";
    conn.Close();
} 本文作者:
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