public static void ValidateTag(byte[] data)
{
byte[][] pages = TagUtil.SplitPages(data);
if (pages[0][0] != (byte)0x04)
{
throw new Exception("Invalid tag file. Tag must start with a 0x04.");
}
if (pages[2][2] != (byte)0x0F || pages[2][3] != (byte)0xE0)
{
throw new Exception("Invalid tag file. lock signature mismatch.");
}
if (pages[3][0] != (byte)0xF1 || pages[3][1] != (byte)0x10 || pages[3][2] != (byte)0xFF || pages[3][3] != (byte)0xEE)
{
throw new Exception("Invalid tag file. CC signature mismatch.");
}
if (pages[0x82][0] != (byte)0x01 || pages[0x82][1] != (byte)0x0 || pages[0x82][2] != (byte)0x0F)
{
throw new Exception("Invalid tag file. dynamic lock signature mismatch.");
}
if (pages[0x83][0] != (byte)0x0 || pages[0x83][1] != (byte)0x0 || pages[0x83][2] != (byte)0x0 || pages[0x83][3] != (byte)0x04)
{
throw new Exception("Invalid tag file. CFG0 signature mismatch.");
}
if (pages[0x84][0] != (byte)0x5F || pages[0x84][1] != (byte)0x0 || pages[0x84][2] != (byte)0x0 || pages[0x84][3] != (byte)0x00)
{
throw new Exception("Invalid tag file. CFG1 signature mismatch.");
}
}
public static bool WriteToTagAuto(MifareUltralight mifare, byte[] tagData, KeyManager keyManager)
{
tagData = AdjustTag(keyManager, tagData, mifare);
if (!Validate(mifare, tagData) || !ValidateBlankTag(mifare))
{
return(false);
}
try
{
byte[][] pages = TagUtil.SplitPages(tagData);
WritePages(mifare, 3, 129, pages);
Console.WriteLine("Wrote main data", Color.Green);
}
catch (Exception e)
{
Console.WriteLine("Error while writing main data (stage 1)", Color.Red);
return(false);
}
try
{
WritePassword(mifare);
Console.WriteLine("Wrote password", Color.Green);
}
catch (Exception e)
{
Console.WriteLine("Error while setting password (stage 2)", Color.Red);
return(false);
}
try
{
WriteLockInfo(mifare);
Console.WriteLine("Wrote lock info", Color.Green);
}
catch (Exception e)
{
Console.WriteLine("Error while setting lock info (stage 3)", Color.Red);
return(false);
}
return(true);
}
