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| author | Endi Sukma Dewata <edewata@redhat.com> | 2013-02-20 12:40:28 -0500 |
|---|---|---|
| committer | Endi Sukma Dewata <edewata@redhat.com> | 2013-02-20 12:40:28 -0500 |
| commit | 438e3b52394e2936f6e286e0cddaaf4d41125324 (patch) | |
| tree | f34c2085dd75423d1e06e9adfa64cc7a10bb954c /base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java | |
| parent | f49c98ca0cbfc0def8f055c2d97c031ff0f4a439 (diff) | |
| download | pki-438e3b52394e2936f6e286e0cddaaf4d41125324.tar.gz pki-438e3b52394e2936f6e286e0cddaaf4d41125324.tar.xz pki-438e3b52394e2936f6e286e0cddaaf4d41125324.zip | |
WIP
Diffstat (limited to 'base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java')
| -rw-r--r-- | base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java b/base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java new file mode 100644 index 000000000..fd6c9d405 --- /dev/null +++ b/base/javacard/src/java/org/dogtagpki/javacard/ProxyApplet.java @@ -0,0 +1,116 @@ +package org.dogtagpki.javacard;
+
+import javacard.framework.*;
+
+/**
+ * @author Endi Sukma Dewata
+ */
+public class ProxyApplet extends Applet implements MultiSelectable {
+
+ private final static byte[] TEST_APPLET_AID = {(byte) 0xa0, 0x00, 0x00, 0x00, 0x62, 0x03, 0x01, 0x0c, 0x01, 0x01 };
+
+ private final static byte SAY_HELLO_INS = (byte) 0x01;
+ private final static byte SAY_ECHO2_INS = (byte) 0x03;
+ private final static byte SAY_IPARAMS_INS = (byte) 0x04;
+ private final static byte NOP_INS = (byte) 0x02;
+
+ private static byte[] helloMessage = new byte[] {
+ 'P', 'r', 'o', 'x', 'y',
+ 'A', 'p', 'p', 'l', 'e', 't'
+ };
+
+ private byte[] echoBytes;
+ private byte[] initParamsBytes;
+ private static final short LENGTH_ECHO_BYTES = 256;
+
+ protected ProxyApplet(byte[] bArray, short bOffset, byte bLength) {
+ echoBytes = new byte[LENGTH_ECHO_BYTES];
+ if (bLength > 0) {
+ byte iLen = bArray[bOffset]; // aid length
+ bOffset = (short) (bOffset + iLen + 1);
+ byte cLen = bArray[bOffset]; // info length
+ bOffset = (short) (bOffset + cLen + 1);
+ byte aLen = bArray[bOffset]; // applet data length
+ initParamsBytes = new byte[aLen];
+ Util.arrayCopyNonAtomic(bArray, (short) (bOffset + 1), initParamsBytes, (short) 0, aLen);
+ }
+ register();
+ }
+
+ public static void install(byte[] bArray, short bOffset, byte bLength)
+ throws ISOException {
+ new ProxyApplet(bArray, bOffset,bLength);
+ }
+
+ public void process(APDU apdu) {
+ if(selectingApplet()) return;
+
+ byte[] buffer = apdu.getBuffer();
+ switch (buffer[ISO7816.OFFSET_INS]) {
+ case SAY_HELLO_INS:
+ sayHello(apdu);
+ return;
+ case SAY_ECHO2_INS:
+ sayEcho2(apdu);
+ return;
+ case SAY_IPARAMS_INS:
+ sayIParams(apdu);
+ return;
+ case NOP_INS:
+ return;
+ default:
+ ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
+ }
+ return;
+ }
+
+ private void sayHello(APDU apdu) {
+ byte[] buffer = apdu.getBuffer();
+ short incomeBytes = apdu.setIncomingAndReceive();
+ byte[] echo;
+
+ if (buffer[ISO7816.OFFSET_P1] == 0x01) {
+ echo = JCSystem.makeTransientByteArray(incomeBytes, JCSystem.CLEAR_ON_RESET);
+ Util.arrayCopyNonAtomic(buffer, ISO7816.OFFSET_CDATA, echo, (short) 0, incomeBytes);
+ } else {
+ echo = JCSystem.makeTransientByteArray((short) helloMessage.length, JCSystem.CLEAR_ON_RESET);
+ Util.arrayCopyNonAtomic(helloMessage, (short) 0, echo, (short) 0, (short) helloMessage.length);
+ }
+
+ apdu.setOutgoing();
+ apdu.setOutgoingLength((short) echo.length);
+ apdu.sendBytesLong(echo, (short) 0, (short) echo.length);
+ }
+
+ private void sayEcho2(APDU apdu) {
+ byte buffer[] = apdu.getBuffer();
+ short bytesRead = apdu.setIncomingAndReceive();
+ short echoOffset = (short) 0;
+
+ while (bytesRead > 0) {
+ Util.arrayCopyNonAtomic(buffer, ISO7816.OFFSET_CDATA, echoBytes, echoOffset, bytesRead);
+ echoOffset += bytesRead;
+ bytesRead = apdu.receiveBytes(ISO7816.OFFSET_CDATA);
+ }
+
+ apdu.setOutgoing();
+ apdu.setOutgoingLength((short) (echoOffset + 5));
+
+ apdu.sendBytes((short) 0, (short) 5);
+ apdu.sendBytesLong(echoBytes, (short) 0, echoOffset);
+ }
+
+ private void sayIParams(APDU apdu) {
+ AID aid = JCSystem.lookupAID(TEST_APPLET_AID, (short)0, (byte)TEST_APPLET_AID.length);
+ TestShareable shareable = (TestShareable)JCSystem.getAppletShareableInterfaceObject(aid, (byte)0);
+
+ shareable.sayIParams(apdu);
+ }
+
+ public boolean select(boolean b) {
+ return true;
+ }
+
+ public void deselect(boolean b) {
+ }
+}
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