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Rob Williams Jnr
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Updated to use new AID function.
Updated to send new APDU.
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Lines changed: 79 additions & 79 deletions

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‎NFC/NfcTransactionHandler/src/nfc/sample/nfctransaction/commands/Iso7816Command.java‎

Lines changed: 79 additions & 79 deletions
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package nfc.sample.nfctransaction.commands;
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/*
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* Copyright (c) 2012 Research In Motion Limited.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import javax.microedition.apdu.APDUConnection;
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import javax.microedition.io.Connector;
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import net.rim.device.api.command.AlwaysExecutableCommand;
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import net.rim.device.api.command.ReadOnlyCommandMetadata;
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import net.rim.device.api.util.ByteArrayUtilities;
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import nfc.sample.nfctransaction.Constants;
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import nfc.sample.nfctransaction.Settings;
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import nfc.sample.nfctransaction.Utilities;
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import nfc.sample.nfctransaction.ui.NfcTransScreen;
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import nfc.sample.nfctransaction.ui.buttons.MultiStateButtonField;
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/**
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* This command sends a ISO7816-4 SELECT APDU using the JSR177 API followed by a proprietary APDU. For this to work, the target
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* SecureElement must contain an applet with the AID used here. So developers who just run this code to see what happens are
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* likely to see an error from this command. This is to be expected however.
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*
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* Authors: John Murray and Martin Woolley
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*
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*/
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public class Iso7816Command extends AlwaysExecutableCommand {
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public void execute(ReadOnlyCommandMetadata metadata, Object context) {
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MultiStateButtonField btn = (MultiStateButtonField) context;
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if(btn.getMsbState() == Constants.BTN_SELECT_OFF) {
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command exiting because button is in OFF state");
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return;
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}
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Settings settings = Settings.getInstance();
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NfcTransScreen screen = NfcTransScreen.getInstance();
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Utilities.log("XXXX " + Thread.currentThread().getName() + " selecting applet");
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APDUConnection apduConn = null;
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// this is an example and completely proprietary APDU included solely to demonstrate the basic use of JSR-177
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// Decode:
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// 0x80 : CLASS = proprietary
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// 0x01 : INS = invented command! Interpretation will require the selected applet to understand this command
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// 0x00 : P1 = null
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// 0x00 : P1 = null
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byte[] command = { (byte) 0x80, (byte) 0x01, (byte) 0x00, (byte) 0x00 };
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try {
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// Open an APDUConnection to our applet. This results in an ISO 7816-4 SELECT command being sent by the JSR-177 API
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String connection_string = Utilities.makeApduConnectionString(settings.getRegistered_aid());
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: opening APDUConnection to " + connection_string);
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apduConn = (APDUConnection) Connector.open(connection_string);
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: APDUConnection opened");
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screen.setUserMessage("Selected AID OK");
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// Send the APDU and wait for a response - expect an error here unless your applet supports the command that was sent
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: sending APDU");
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byte[] ret = apduConn.exchangeAPDU(command);
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String resp_string = ByteArrayUtilities.byteArrayToHex(ret);
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: response=" + resp_string);
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screen.setUserMessage("APDU response=" + resp_string);
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// Close the logical channel connection
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apduConn.close();
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} catch(Exception e) {
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command failed:" + e.getClass().getName() + ":" + e.getMessage());
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screen.setUserMessage("Error. Select failed: check log");
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}
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}
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}
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package nfc.sample.nfctransaction.commands;
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/*
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* Copyright (c) 2012 Research In Motion Limited.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import javax.microedition.apdu.APDUConnection;
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import javax.microedition.io.Connector;
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import net.rim.device.api.command.AlwaysExecutableCommand;
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import net.rim.device.api.command.ReadOnlyCommandMetadata;
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import net.rim.device.api.util.ByteArrayUtilities;
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import nfc.sample.nfctransaction.Constants;
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import nfc.sample.nfctransaction.Settings;
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import nfc.sample.nfctransaction.Utilities;
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import nfc.sample.nfctransaction.ui.NfcTransScreen;
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import nfc.sample.nfctransaction.ui.buttons.MultiStateButtonField;
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/**
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* This command sends a ISO7816-4 SELECT APDU using the JSR177 API followed by a proprietary APDU. For this to work, the target
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* SecureElement must contain an applet with the AID used here. So developers who just run this code to see what happens are
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* likely to see an error from this command. This is to be expected however.
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*
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* Authors: John Murray and Martin Woolley
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*
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*/
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public class Iso7816Command extends AlwaysExecutableCommand {
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public void execute(ReadOnlyCommandMetadata metadata, Object context) {
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MultiStateButtonField btn = (MultiStateButtonField) context;
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if(btn.getMsbState() == Constants.BTN_SELECT_OFF) {
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command exiting because button is in OFF state");
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return;
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}
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Settings settings = Settings.getInstance();
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NfcTransScreen screen = NfcTransScreen.getInstance();
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Utilities.log("XXXX " + Thread.currentThread().getName() + " selecting applet");
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APDUConnection apduConn = null;
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// this is an example and completely proprietary APDU included solely to demonstrate the basic use of JSR-177
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// Decode:
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// 0x80 : CLASS = proprietary
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// 0x01 : INS = invented command! Interpretation will require the selected applet to understand this command
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// 0x00 : P1 = null
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// 0x00 : P1 = null
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byte[] command = settings.getAPDU();
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try {
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// Open an APDUConnection to our applet. This results in an ISO 7816-4 SELECT command being sent by the JSR-177 API
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String connection_string = Utilities.makeApduConnectionString(settings.getRegisteredAIDAsString());
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: opening APDUConnection to " + connection_string);
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apduConn = (APDUConnection) Connector.open(connection_string);
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: APDUConnection opened");
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screen.setUserMessage("Selected AID OK");
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// Send the APDU and wait for a response - expect an error here unless your applet supports the command that was sent
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: sending APDU");
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byte[] ret = apduConn.exchangeAPDU(command);
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String resp_string = ByteArrayUtilities.byteArrayToHex(ret);
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command: response=" + resp_string);
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screen.setUserMessage("APDU response=" + resp_string);
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// Close the logical channel connection
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apduConn.close();
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} catch(Exception e) {
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Utilities.log("XXXX " + Thread.currentThread().getName() + " ISO 7816-4 command failed:" + e.getClass().getName() + ":" + e.getMessage());
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screen.setUserMessage("Error. Select failed: check log");
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}
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}
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}

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