使用ASP.NET自帶類FormsAuthentication實現(xiàn)散列加密口令。
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");
????????????????//將用戶輸入的密碼哈希后再與數(shù)據(jù)庫是的哈希值進行比較
?????????? if(hash==myreader["password"]).ToString())
????????????????{
????????????????????????FormsAuthentication.RedirectFromLoginPage(UseridBox.Text,true);//轉(zhuǎn)到請求頁
?????????? }
????????????????else
????????????????????????Result.Text="密碼錯誤";
????????}
????????else
????????????????Result.Text="用戶不存在";
????????conn.Close();
}

轉(zhuǎn)載于:https://www.cnblogs.com/myssh/archive/2009/05/31/1493190.html

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