private byte[][] GetMifare1KSector(Uid uid, byte sector, byte[] key, PiccCommand cmd = PiccCommand.AuthenticateKeyA)
{
if (sector > 15)
{
throw new ArgumentOutOfRangeException(nameof(sector), "Sector must be between 0 and 16.");
}
byte numberOfBlocks = 4;
var firstblock = sector * numberOfBlocks;
var isTrailerBlock = true;
byte[] buffer = new byte[18];
byte[][] returnBuffer = new byte[4][];
for (int i = 0; i < 4; i++)
{
returnBuffer[i] = new byte[16];
}
for (int i = numberOfBlocks - 1; i >= 0; i--)
{
var blockAddr = (byte)(firstblock + i);
StatusCode sc;
if (isTrailerBlock)
{
sc = Authenticate(uid, key, blockAddr, cmd);
if (sc != StatusCode.Ok)
{
throw new Exception($"Authenticate() failed:{sc}");
}
}
// Read block
sc = MifareRead(blockAddr, buffer);
if (sc != StatusCode.Ok)
{
throw new Exception($"MifareRead() failed:{sc}");
}
if (isTrailerBlock)
{
isTrailerBlock = false;
}
Array.Copy(buffer, returnBuffer[i], 16);
}
return(returnBuffer);
}
private StatusCode PutMifare1KSector(Uid uid, byte sector, byte[] key, byte[][] data, PiccCommand cmd = PiccCommand.AuthenticateKeyA)
{
byte numberOfBlocks = 4;
var firstblock = sector * numberOfBlocks;
var isTrailerBlock = true;
StatusCode sc = StatusCode.Ok;
for (int i = numberOfBlocks - 1; i >= 0; i--)
{
var blockAddr = (byte)(firstblock + i);
if (isTrailerBlock)
{
sc = Authenticate(uid, key, blockAddr, cmd);
if (sc != StatusCode.Ok)
{
throw new Exception($"Authenticate() failed:{sc}");
}
}
// Write block
else
{
sc = MifareWrite(blockAddr, data[i]);
if (sc != StatusCode.Ok)
{
throw new Exception($"MifareWrite() failed:{sc}");
}
}
if (isTrailerBlock)
{
isTrailerBlock = false;
}
}
return(sc);
}
/// <summary>
/// Write a page or a sector to a card
/// </summary>
/// <param name="uid"> uid of card to read</param>
/// <param name="pageOrSector"> number of page or sector to read</param>
/// <param name="key">key to authenticate (not used with Ultralight)</param>
/// <param name="authenticateType">type of authentication (not used with Ultralight): A (default) or B</param>
/// <returns></returns>
public StatusCode PutSector(ArrayList dataBlock, Uid uid, byte pageOrSector, byte[] key, PiccCommand authenticateType = PiccCommand.AuthenticateKeyA)
{
InitData();
if (key == null || key.Length != 6)
{
throw new ArgumentException("Key must be a byte[] of length 6.", nameof(key));
}
switch (uid.GetPiccType())
{
case PiccType.Mifare1K:
if (pageOrSector > 15)
{
throw new ArgumentOutOfRangeException(nameof(pageOrSector), "Sector must be between 0 and 15.");
}
for (int i = 0; i < 3; i++)
{
if (dataBlock[i] != null)
{
var line = (string)dataBlock[i];
if (line.Length > 16)
{
throw new ArgumentException("dataBlock line must be 16 char. max lenght", nameof(line));
}
for (int j = 0; j < line.Length; j++)
{
data[i][j] = (byte)line[j];
}
}
}
return(PutMifare1KSector(uid, pageOrSector, key, data, authenticateType));
case PiccType.MifareUltralight:
if (pageOrSector < 4 || pageOrSector > 15)
{
throw new ArgumentOutOfRangeException(nameof(pageOrSector), "Sector must be between 4 and 15.");
}
byte[] dataPage = new byte[4];
if (dataBlock != null)
{
var line = (string)dataBlock[0];
if (line.Length > 4)
{
throw new ArgumentException("dataBlock line must be 4 char. max lenght");
}
for (int j = 0; j < line.Length; j++)
{
dataPage[j] = (byte)line[j];
}
}
return(PutMifareUltraLight(pageOrSector, dataPage));
default:
return(StatusCode.Error);
}
}
