private void OnDetected(IFeliCaReader reader)
{
Idm.Value = string.Empty;
Access.Value = null;
Logs.Clear();
var idm = reader.ExecutePolling(0x0003);
if (idm.Length == 0)
{
return;
}
var block = new ReadBlock {
BlockNo = 0
};
if (!reader.ExecuteReadWoe(idm, 0x008B, block))
{
return;
}
var blocks1 = Enumerable.Range(0, 8).Select(x => new ReadBlock {
BlockNo = (byte)x
}).ToArray();
var blocks2 = Enumerable.Range(8, 8).Select(x => new ReadBlock {
BlockNo = (byte)x
}).ToArray();
var blocks3 = Enumerable.Range(16, 4).Select(x => new ReadBlock {
BlockNo = (byte)x
}).ToArray();
if (!reader.ExecuteReadWoe(idm, 0x090F, blocks1) ||
!reader.ExecuteReadWoe(idm, 0x090F, blocks2) ||
!reader.ExecuteReadWoe(idm, 0x090F, blocks3))
{
return;
}
Idm.Value = HexEncoder.ToHex(idm);
Access.Value = Suica.ConvertToAccessData(block.BlockData);
Logs.AddRange(blocks1.Concat(blocks2).Concat(blocks3)
.Select(x => Suica.ConvertToLogData(x.BlockData))
.Where(x => x != null)
.ToArray());
}
public static bool ExecuteReadWoe(this IFeliCaReader reader, byte[] idm, short serviceCode, params ReadBlock[] blocks)
{
var command = new byte[14 + (blocks.Length * 2)];
command[0] = (byte)command.Length;
command[1] = 0x06;
Buffer.BlockCopy(idm, 0, command, 2, idm.Length);
command[10] = 1;
command[11] = (byte)(serviceCode & 0xff);
command[12] = (byte)(serviceCode >> 8);
command[13] = (byte)blocks.Length;
for (var i = 0; i < blocks.Length; i++)
{
var offset = 14 + (i * 2);
command[offset] = 0x80;
command[offset + 1] = blocks[i].BlockNo;
}
var response = reader.Access(command);
if (response.Length < 12)
{
return(false);
}
if ((response[10] != 0x00) || (response[11] != 0x00))
{
return(false);
}
if (response.Length < (13 + (response[12] * 16)))
{
return(false);
}
for (var i = 0; i < blocks.Length; i++)
{
var offset = 13 + (16 * i);
blocks[i].BlockData = response.SubArray(offset, 16);
}
return(true);
}
public static byte[] ExecutePolling(this IFeliCaReader reader, short systemCode)
{
var command = new byte[6];
command[0] = (byte)command.Length;
command[1] = 0x00;
command[2] = (byte)(systemCode >> 8);
command[3] = (byte)(systemCode & 0xFF);
command[4] = 0x01;
command[5] = 0x00;
var response = reader.Access(command);
if (response.Length < 18)
{
return(Array.Empty <byte>());
}
return(response.SubArray(2, 8));
}
