public static bool IsKeyValue(string Key, string UserName)
{
if (Key.Length != 37)
{
return(false);
}
if (Key.ToUpper().IndexOf("DMS") == -1)
{
return(false);
}
if (Key.Split('-').Length != 3)
{
return(false);
}
string key1 = Properties.Resources.String1;
string key2 = Properties.Resources.String2;
string key3 = Controls.Properties.Resources.String3;
string key4 = Core.Properties.Resources.String4;
for (int a = 0; a < 16; a++)
{
for (int b = 0; b < 16; b++)
{
for (int c = 0; c < 16; c++)
{
for (int d = 0; d < 16; d++)
{
string key = Functions.MD5(key1.Substring(a, 16) + key2.Substring(b, 16) + key3.Substring(c, 16) + key4.Substring(d, 16));
string str1 = "";
string str2 = "";
for (int i = 0; i < key.Length; i++)
{
if (char.IsNumber(key[i]))
{
str1 += key[i].ToString();
}
else
{
str2 += key[i].ToString();
}
}
string str = "dms-" + str1 + "-" + str2;
if (str.ToUpper() == Key.ToUpper())
{
DateTime dt = DateTime.Now;
RegData reg = new RegData(dt, a, b, c, d, key, UserName);
root.RegDate = dt;
root.UserName = UserName;
backuproot.RegDate = dt;
backuproot.UserName = UserName;
RegData.Save(reg);
CRoot.Save(root);
return(true);
}
}
}
}
}
return(false);
}
