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