public byte[] ReadByteBlock(int block, byte[] key, NfcKeyType nfcKeyType)
{
//TODO 4. MIFARE OPERATIONS 2
try
{
//No card found
if (!LoadCurrentMifareClassic())
{
return(null);
}
//Different card ids
if (!CheckCardId())
{
return(null);
}
//No authenticated
if (!AuthenticateSector(block, nfcKeyType, key))
{
return(null);
}
byte[] data = currentMifareClassic.ReadBlock(block);
return(data);
}
catch
{
return(null);
}
}
private bool AuthenticateSector(int block, NfcKeyType nfcKeyType, byte[] key)
{
int sector = currentMifareClassic.BlockToSector(block);
switch (nfcKeyType)
{
case NfcKeyType.KeyB:
return(key != null && currentMifareClassic.AuthenticateSectorWithKeyB(sector, key));
case NfcKeyType.KeyA:
default:
return(key != null && currentMifareClassic.AuthenticateSectorWithKeyA(sector, key));
}
}
public bool WriteByteBlock(int block, byte[] key, byte[] content, NfcKeyType nfcKeyType)
{
//TODO 4. MIFARE OPERATIONS 3
try
{
if (content?.Length != 16)
{
return(false);
}
//No card found
if (!LoadCurrentMifareClassic())
{
return(false);
}
//Different card ids
if (!CheckCardId())
{
return(false);
}
//No authenticated
if (!AuthenticateSector(block, nfcKeyType, key))
{
return(false);
}
currentMifareClassic.WriteBlock(block, content);
return(true);
}
catch
{
return(false);
}
}
public bool WriteByteBlock(int block, byte[] key, byte[] content, NfcKeyType nfcKeyType)
{
throw new NotImplementedException();
}
public byte[] ReadByteBlock(int block, byte[] key, NfcKeyType nfcKeyType)
{
throw new NotImplementedException();
}
