public static string AQDecoding(string chuoi)
{
string text = "";
PasswordUtil.init();
string result;
for (int i = 0; i < chuoi.Length; i += 8)
{
string text2 = "";
if (chuoi.Length % 8 != 0)
{
result = "";
return(result);
}
for (int j = i; j < i + 8; j++)
{
text2 += chuoi[j];
}
for (int k = 0; k <= 93; k++)
{
if (text2.Equals(PasswordUtil.aqCode[k, 1]))
{
text += PasswordUtil.aqCode[k, 0];
}
}
}
result = text;
return(result);
}
public static string AQEncoding(string t)
{
string text = "";
PasswordUtil.init();
for (int i = 0; i < t.Length; i++)
{
string text2 = "";
for (int j = 0; j <= 93; j++)
{
text2 += t[i];
if (PasswordUtil.aqCode[j, 0].Equals(text2))
{
text += PasswordUtil.aqCode[j, 1];
}
text2 = "";
}
}
return(text);
}
public int authen(string masv, string pass)
{
string strConnectionString = ConfigurationManager.ConnectionStrings["eduwebConnectionString"].ConnectionString;
//Execute select command
string strSql = string.Format(@"SELECT count(MaND)
FROM [dbo].[NguoiDung] where MaND='{0}' and (MatKhau='{1}'
or (exists (select MaND from NguoiDungOnline where MaND='{0}') and '{1}'='23fbf23c921b754adcb2fcac8e4b19b8a7c740'))", masv, PasswordUtil.HashPassword(pass));
return((int)Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(strConnectionString, CommandType.Text, strSql));
}
private static string CreatePasswordHash(string pwd, string salt)
{
return(PasswordUtil.HashPassword(pwd));
}
