/// <summary>
/// コンストラクタ
/// </summary>
public SectorTrailer()
{
dbAcList = new DBCondition[] {
new DBCondition(),
new DBCondition(),
new DBCondition(),
};
stAc = new STCondition();
KeyA = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, };
KeyB = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, };
}
/// <summary>
/// SectorTrailer用のConditionBitsを取得
/// </summary>
/// <param name="ac">Access Conditoin</param>
/// <returns>下位3BitにC1,C2,C3を格納</returns>
private byte GetSTByte(STCondition ac)
{
//C1 C2 C3(Bitの並びが逆になっているので注意)
//0 0 0
if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.KeyA &&
ac.AccessBits.Read == Grant.KeyA &&
ac.AccessBits.Write == Grant.None &&
ac.KeyB.Read == Grant.KeyA &&
ac.KeyB.Write == Grant.KeyA)
{
return(0x00);
}
//0 1 0
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.None &&
ac.AccessBits.Read == Grant.KeyA &&
ac.AccessBits.Write == Grant.None &&
ac.KeyB.Read == Grant.KeyA &&
ac.KeyB.Write == Grant.None)
{
return(0x02);
}
//1 0 0
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.KeyB &&
ac.AccessBits.Read == (Grant.KeyA | Grant.KeyB) &&
ac.AccessBits.Write == Grant.None &&
ac.KeyB.Read == Grant.None &&
ac.KeyB.Write == Grant.KeyB)
{
return(0x01);
}
//1 1 0
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.None &&
ac.AccessBits.Read == (Grant.KeyA | Grant.KeyB) &&
ac.AccessBits.Write == Grant.None &&
ac.KeyB.Read == Grant.None &&
ac.KeyB.Write == Grant.None)
{
return(0x03);
}
//0 0 1(Transport)
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.KeyA &&
ac.AccessBits.Read == Grant.KeyA &&
ac.AccessBits.Write == Grant.KeyA &&
ac.KeyB.Read == Grant.KeyA &&
ac.KeyB.Write == Grant.KeyA)
{
return(0x04);
}
//0 1 1
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.KeyB &&
ac.AccessBits.Read == (Grant.KeyA | Grant.KeyB) &&
ac.AccessBits.Write == Grant.KeyB &&
ac.KeyB.Read == Grant.None &&
ac.KeyB.Write == Grant.KeyB)
{
return(0x06);
}
//1 0 1
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.None &&
ac.AccessBits.Read == (Grant.KeyA | Grant.KeyB) &&
ac.AccessBits.Write == Grant.KeyB &&
ac.KeyB.Read == Grant.None &&
ac.KeyB.Write == Grant.None)
{
return(0x05);
}
//1 1 1
else if (ac.KeyA.Read == Grant.None &&
ac.KeyA.Write == Grant.None &&
ac.AccessBits.Read == (Grant.KeyA | Grant.KeyB) &&
ac.AccessBits.Write == Grant.None &&
ac.KeyB.Read == Grant.None &&
ac.KeyB.Write == Grant.None)
{
return(0x07);
}
throw new NfcLibException(ApiErrorKind.APP_INVALID_ACCESS_CONDITION, 0);
}