97 lines
2.1 KiB
Java
97 lines
2.1 KiB
Java
package com.cscn;
|
|
|
|
import javacard.framework.APDU;
|
|
import javacard.framework.Applet;
|
|
import javacard.framework.ISO7816;
|
|
import javacard.framework.ISOException;
|
|
import org.globalplatform.GPSystem;
|
|
import org.globalplatform.SecureChannel;
|
|
|
|
/**
|
|
* @author liuww
|
|
*
|
|
*/
|
|
public class XwSecurity extends Applet {
|
|
|
|
public static final byte INS_PROCESS_DATA = (byte)0xE3;
|
|
|
|
public static final byte INS_LOCATION_ENCRYPT = (byte)0xCA;
|
|
|
|
public static final byte INS_STORE_KEY = (byte)0xE2;
|
|
|
|
// public static final byte INS_INITIAL_UPDATE = (byte)0x50;
|
|
//
|
|
// public static final byte INS_EXTERNAL_AUTH = (byte)0x82;
|
|
|
|
private Method method;
|
|
|
|
byte[] key_store_byte;
|
|
|
|
public XwSecurity(byte[] bArray, short bOffset, byte bLength) {
|
|
// TODO Auto-generated constructor stub
|
|
method = new Method(); //todo new?
|
|
// key store -> flash
|
|
key_store_byte = new byte[80];
|
|
|
|
register(bArray, (short)(bOffset + 1), bArray[bOffset]);
|
|
}
|
|
|
|
public static void install(byte[] bArray, short bOffset, byte bLength)
|
|
{
|
|
//todo new?
|
|
// GP-compliant JavaCard applet registration
|
|
new XwSecurity(bArray, bOffset, bLength);
|
|
}
|
|
|
|
public void process(APDU apdu)
|
|
{
|
|
// Good practice: Return 9000 on SELECT
|
|
if(selectingApplet())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(method == null) {
|
|
return;
|
|
}
|
|
|
|
byte[] buf = apdu.getBuffer();
|
|
short off = ISO7816.OFFSET_CDATA;
|
|
short len = apdu.setIncomingAndReceive();
|
|
|
|
switch (buf[ISO7816.OFFSET_INS])
|
|
{
|
|
// case INS_INITIAL_UPDATE:
|
|
// SecureChannel sc = GPSystem.getSecureChannel();
|
|
// sc.processSecurity(apdu);
|
|
// break;
|
|
//
|
|
// case INS_EXTERNAL_AUTH:
|
|
// sc = GPSystem.getSecureChannel();
|
|
// sc.processSecurity(apdu);
|
|
// break;
|
|
|
|
|
|
case INS_PROCESS_DATA:
|
|
method.processData(apdu);
|
|
break;
|
|
|
|
|
|
case INS_LOCATION_ENCRYPT:
|
|
len = method.processDataFake(buf, off, len, key_store_byte);
|
|
apdu.setOutgoingAndSend(off, len);
|
|
break;
|
|
|
|
case INS_STORE_KEY:
|
|
len = method.updateKey(buf, off, len, key_store_byte);
|
|
apdu.setOutgoingAndSend(off, len);
|
|
break;
|
|
|
|
default:
|
|
// good practice: If you don't know the INStruction, say so:
|
|
ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
|
|
}
|
|
|
|
|
|
}
|
|
} |