static void WriteLockInfo(MifareUltralight tag)
{
byte[] pages = tag.ReadPages(0);
if (pages == null || pages.Length != TagUtil.PAGE_SIZE * 4)
{
throw new Exception("Read failed");
}
//lock bits
tag.WritePage(2, new byte[] {
pages[2 * TagUtil.PAGE_SIZE],
pages[(2 * TagUtil.PAGE_SIZE) + 1],
(byte)0x0F,
(byte)0xE0
}
);
//dynamic lock bits. should the last bit be 0xBD accoridng to the nfc docs though:
//Remark: Set all bits marked with RFUI to 0, when writing to the dynamic lock bytes.
tag.WritePage(130, new byte[] { (byte)0x01, (byte)0x00, (byte)0x0F, (byte)0x00 });
//config
tag.WritePage(131, new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x04 });
//config
tag.WritePage(132, new byte[] { (byte)0x5F, (byte)0x00, (byte)0x00, (byte)0x00 });
}
static byte[] AdjustTag(KeyManager keyManager, byte[] tagData, MifareUltralight mifare)
{
byte[] pages = mifare.ReadPages(0);
if (pages == null || pages.Length != TagUtil.PAGE_SIZE * 4)
{
throw new Exception("Read failed! Unexpected read size.");
}
return(TagUtil.PatchUid(pages, tagData, keyManager, true));
}
private static bool ValidateBlankTag(MifareUltralight mifare)
{
byte[] lockPage = mifare.ReadPages(0x02);
if (lockPage[2] == (byte)0x0F && lockPage[3] == (byte)0xE0)
{
Console.WriteLine("Tag already an amiibo, it can not be overwritten.", Color.Red);
return(false);
}
Console.WriteLine("Tag is not locked.", Color.Green);
return(true);
}
static void WritePassword(MifareUltralight tag)
{
byte[] pages0_1 = tag.ReadPages(0);
if (pages0_1 == null || pages0_1.Length != TagUtil.PAGE_SIZE * 4)
{
throw new Exception("Read failed");
}
byte[] uid = TagUtil.UidFromPages(pages0_1);
byte[] password = TagUtil.Keygen(uid);
tag.WritePage(0x86, new byte[] { (byte)0x80, (byte)0x80, (byte)0, (byte)0 });
tag.WritePage(0x85, password);
}
static bool Validate(MifareUltralight mifare, byte[] tagData)
{
if (tagData == null)
{
Console.WriteLine("Cannot validate: no source data loaded to compare.", Color.Red);
return(false);
}
byte[] pages = mifare.ReadPages(0);
if (pages == null || pages.Length != TagUtil.PAGE_SIZE * 4)
{
Console.WriteLine("Read failed! Unexpected read size.", Color.Red);
return(false);
}
if (!CompareRange(pages, tagData, 0, 9))
{
Console.WriteLine("Source UID does not match the target!", Color.Red);
return(false);
}
return(true);
}