Emv APDU Command - chuwuwang/ReadingNote GitHub Wiki

APDU Command Structure

APDU command is divided into Header and variable command body according to ISO7816 as illustrated below

APDU Response Structure

APDU Response is divided into variable response data and trailer (2 bytes status word)

Summary of SW12

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Instruction Example

public void selectPPSE() throws Exception {
	byte CLA    = (byte) 0x00;
	byte INS    = (byte) 0xA4;
	byte P1     = (byte) 0x04;
	byte P2     = (byte) 0x00;
	byte[] data = ByteUtil.hexStr2Bytes("325041592E5359532E4444463031");
	byte Lc     = (byte) data.length;

	byte[] inData = new byte[data.length + 5];
	inData[0] = CLA;
	inData[1] = INS;
	inData[2] = P1;
	inData[3] = P2;
	inData[4] = Lc;

	System.arraycopy(data, 0, inData, 5, data.length);

	byte[] outData = new byte[512];
	int result = MyApplication.mReadCardOptV2.transmitApdu(AidlConstantsV2.CardType.MIFARE.getValue(), inData, outData);
	if (result > 0) {
		String hexStr = ByteUtil.bytes2HexStr(outData);
		LogUtil.e(Constant.TAG, "outData: " + hexStr);
	}
}