first working implementation of the mensa card reader
* based on farebot's desfire protocol implementation * see #21
This commit is contained in:
@ -0,0 +1,77 @@
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/*
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* DesfireApplication.java
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*
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* Copyright (C) 2011 Eric Butler
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*
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* Authors:
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* Eric Butler <eric@codebutler.com>
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*
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||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
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||||
*
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||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
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||||
*/
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package com.codebutler.farebot.card.desfire;
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import android.os.Parcel;
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import android.os.Parcelable;
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public class DesfireApplication implements Parcelable {
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private int mId;
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private DesfireFile[] mFiles;
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public DesfireApplication (int id, DesfireFile[] files) {
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mId = id;
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mFiles = files;
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}
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public int getId () {
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return mId;
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}
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public DesfireFile[] getFiles () {
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return mFiles;
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}
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public DesfireFile getFile (int fileId) {
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for (DesfireFile file : mFiles) {
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if (file.getId() == fileId)
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return file;
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}
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return null;
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}
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public static final Parcelable.Creator<DesfireApplication> CREATOR = new Parcelable.Creator<DesfireApplication>() {
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public DesfireApplication createFromParcel(Parcel source) {
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int id = source.readInt();
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DesfireFile[] files = new DesfireFile[source.readInt()];
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source.readTypedArray(files, DesfireFile.CREATOR);
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return new DesfireApplication(id, files);
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}
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public DesfireApplication[] newArray (int size) {
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return new DesfireApplication[size];
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}
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};
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public void writeToParcel (Parcel parcel, int flags) {
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parcel.writeInt(mId);
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parcel.writeInt(mFiles.length);
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parcel.writeTypedArray(mFiles, flags);
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}
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public int describeContents () {
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return 0;
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}
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}
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@ -0,0 +1,13 @@
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package com.codebutler.farebot.card.desfire;
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/**
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* Created by Jakob Wenzel on 16.11.13.
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*/
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public class DesfireException extends Exception {
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public DesfireException(String message) {
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super(message);
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}
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public DesfireException(Throwable cause) {
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super(cause);
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}
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}
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@ -0,0 +1,135 @@
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/*
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* DesfireFile.java
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*
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* Copyright (C) 2011 Eric Butler
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*
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* Authors:
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* Eric Butler <eric@codebutler.com>
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*
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* This program is free software: you can redistribute it and/or modify
|
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* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
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* (at your option) any later version.
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||||
*
|
||||
* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
|
||||
*
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||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.codebutler.farebot.card.desfire;
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import org.apache.commons.lang3.ArrayUtils;
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import android.os.Parcel;
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import android.os.Parcelable;
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import com.codebutler.farebot.card.desfire.DesfireFileSettings.RecordDesfireFileSettings;
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public class DesfireFile implements Parcelable {
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private int mId;
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private DesfireFileSettings mSettings;
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private byte[] mData;
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public static DesfireFile create (int fileId, DesfireFileSettings fileSettings, byte[] fileData) {
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if (fileSettings instanceof RecordDesfireFileSettings)
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return new RecordDesfireFile(fileId, fileSettings, fileData);
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else
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return new DesfireFile(fileId, fileSettings, fileData);
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}
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private DesfireFile (int fileId, DesfireFileSettings fileSettings, byte[] fileData) {
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mId = fileId;
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mSettings = fileSettings;
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mData = fileData;
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}
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public DesfireFileSettings getFileSettings () {
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return mSettings;
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}
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public int getId () {
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return mId;
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}
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public byte[] getData () {
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return mData;
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}
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public static final Parcelable.Creator<DesfireFile> CREATOR = new Parcelable.Creator<DesfireFile>() {
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public DesfireFile createFromParcel(Parcel source) {
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int fileId = source.readInt();
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boolean isError = (source.readInt() == 1);
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if (!isError) {
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DesfireFileSettings fileSettings = (DesfireFileSettings) source.readParcelable(DesfireFileSettings.class.getClassLoader());
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int dataLength = source.readInt();
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byte[] fileData = new byte[dataLength];
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source.readByteArray(fileData);
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return DesfireFile.create(fileId, fileSettings, fileData);
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} else {
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return new InvalidDesfireFile(fileId, source.readString());
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}
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}
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public DesfireFile[] newArray (int size) {
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return new DesfireFile[size];
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}
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};
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public void writeToParcel (Parcel parcel, int flags) {
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parcel.writeInt(mId);
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if (this instanceof InvalidDesfireFile) {
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parcel.writeInt(1);
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parcel.writeString(((InvalidDesfireFile)this).getErrorMessage());
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} else {
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parcel.writeInt(0);
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parcel.writeParcelable(mSettings, 0);
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parcel.writeInt(mData.length);
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parcel.writeByteArray(mData);
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}
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}
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public int describeContents () {
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return 0;
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}
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public static class RecordDesfireFile extends DesfireFile {
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private DesfireRecord[] mRecords;
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private RecordDesfireFile (int fileId, DesfireFileSettings fileSettings, byte[] fileData) {
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super(fileId, fileSettings, fileData);
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RecordDesfireFileSettings settings = (RecordDesfireFileSettings) fileSettings;
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DesfireRecord[] records = new DesfireRecord[settings.curRecords];
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for (int i = 0; i < settings.curRecords; i++) {
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int offset = settings.recordSize * i;
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records[i] = new DesfireRecord(ArrayUtils.subarray(getData(), offset, offset + settings.recordSize));
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}
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mRecords = records;
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}
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public DesfireRecord[] getRecords () {
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return mRecords;
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}
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}
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public static class InvalidDesfireFile extends DesfireFile {
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private String mErrorMessage;
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public InvalidDesfireFile (int fileId, String errorMessage) {
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super(fileId, null, new byte[0]);
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mErrorMessage = errorMessage;
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}
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public String getErrorMessage () {
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return mErrorMessage;
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}
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}
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}
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@ -0,0 +1,241 @@
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/*
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* DesfireFileSettings.java
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*
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* Copyright (C) 2011 Eric Butler
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*
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||||
* Authors:
|
||||
* Eric Butler <eric@codebutler.com>
|
||||
*
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||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
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package com.codebutler.farebot.card.desfire;
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import java.io.ByteArrayInputStream;
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import org.apache.commons.lang3.ArrayUtils;
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||||
import android.os.Parcel;
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import android.os.Parcelable;
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||||
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import com.codebutler.farebot.Utils;
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public abstract class DesfireFileSettings implements Parcelable {
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public final byte fileType;
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public final byte commSetting;
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public final byte[] accessRights;
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/* DesfireFile Types */
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static final byte STANDARD_DATA_FILE = (byte) 0x00;
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static final byte BACKUP_DATA_FILE = (byte) 0x01;
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static final byte VALUE_FILE = (byte) 0x02;
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static final byte LINEAR_RECORD_FILE = (byte) 0x03;
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static final byte CYCLIC_RECORD_FILE = (byte) 0x04;
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public static DesfireFileSettings Create (byte[] data) throws DesfireException {
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byte fileType = (byte) data[0];
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ByteArrayInputStream stream = new ByteArrayInputStream(data);
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||||
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if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE)
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return new StandardDesfireFileSettings(stream);
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else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE)
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return new RecordDesfireFileSettings(stream);
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else if (fileType == VALUE_FILE)
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return new ValueDesfireFileSettings(stream);
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else
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throw new DesfireException("Unknown file type: " + Integer.toHexString(fileType));
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}
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private DesfireFileSettings (ByteArrayInputStream stream) {
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fileType = (byte) stream.read();
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commSetting = (byte) stream.read();
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accessRights = new byte[2];
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stream.read(accessRights, 0, accessRights.length);
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}
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private DesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights) {
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this.fileType = fileType;
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this.commSetting = commSetting;
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this.accessRights = accessRights;
|
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}
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public String getFileTypeName () {
|
||||
switch (fileType) {
|
||||
case STANDARD_DATA_FILE:
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return "Standard";
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||||
case BACKUP_DATA_FILE:
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||||
return "Backup";
|
||||
case VALUE_FILE:
|
||||
return "Value";
|
||||
case LINEAR_RECORD_FILE:
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||||
return "Linear Record";
|
||||
case CYCLIC_RECORD_FILE:
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return "Cyclic Record";
|
||||
default:
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||||
return "Unknown";
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||||
}
|
||||
}
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||||
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||||
public static final Parcelable.Creator<DesfireFileSettings> CREATOR = new Parcelable.Creator<DesfireFileSettings>() {
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||||
public DesfireFileSettings createFromParcel(Parcel source) {
|
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byte fileType = source.readByte();
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||||
byte commSetting = source.readByte();
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||||
byte[] accessRights = new byte[source.readInt()];
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||||
source.readByteArray(accessRights);
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||||
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||||
if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE) {
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int fileSize = source.readInt();
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||||
return new StandardDesfireFileSettings(fileType, commSetting, accessRights, fileSize);
|
||||
} else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE) {
|
||||
int recordSize = source.readInt();
|
||||
int maxRecords = source.readInt();
|
||||
int curRecords = source.readInt();
|
||||
return new RecordDesfireFileSettings(fileType, commSetting, accessRights, recordSize, maxRecords, curRecords);
|
||||
} else {
|
||||
return new UnsupportedDesfireFileSettings(fileType);
|
||||
}
|
||||
}
|
||||
|
||||
public DesfireFileSettings[] newArray(int size) {
|
||||
return new DesfireFileSettings[size];
|
||||
}
|
||||
};
|
||||
|
||||
public void writeToParcel (Parcel parcel, int flags) {
|
||||
parcel.writeByte(fileType);
|
||||
parcel.writeByte(commSetting);
|
||||
parcel.writeInt(accessRights.length);
|
||||
parcel.writeByteArray(accessRights);
|
||||
}
|
||||
|
||||
public int describeContents () {
|
||||
return 0;
|
||||
}
|
||||
|
||||
public static class StandardDesfireFileSettings extends DesfireFileSettings {
|
||||
public final int fileSize;
|
||||
|
||||
private StandardDesfireFileSettings (ByteArrayInputStream stream) {
|
||||
super(stream);
|
||||
byte[] buf = new byte[3];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
fileSize = Utils.byteArrayToInt(buf);
|
||||
}
|
||||
|
||||
StandardDesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights, int fileSize) {
|
||||
super(fileType, commSetting, accessRights);
|
||||
this.fileSize = fileSize;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel (Parcel parcel, int flags) {
|
||||
super.writeToParcel(parcel, flags);
|
||||
parcel.writeInt(fileSize);
|
||||
}
|
||||
}
|
||||
|
||||
public static class RecordDesfireFileSettings extends DesfireFileSettings {
|
||||
public final int recordSize;
|
||||
public final int maxRecords;
|
||||
public final int curRecords;
|
||||
|
||||
public RecordDesfireFileSettings(ByteArrayInputStream stream) {
|
||||
super(stream);
|
||||
|
||||
byte[] buf = new byte[3];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
recordSize = Utils.byteArrayToInt(buf);
|
||||
|
||||
buf = new byte[3];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
maxRecords = Utils.byteArrayToInt(buf);
|
||||
|
||||
buf = new byte[3];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
curRecords = Utils.byteArrayToInt(buf);
|
||||
}
|
||||
|
||||
RecordDesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights, int recordSize, int maxRecords, int curRecords) {
|
||||
super(fileType, commSetting, accessRights);
|
||||
this.recordSize = recordSize;
|
||||
this.maxRecords = maxRecords;
|
||||
this.curRecords = curRecords;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel (Parcel parcel, int flags) {
|
||||
super.writeToParcel(parcel, flags);
|
||||
parcel.writeInt(recordSize);
|
||||
parcel.writeInt(maxRecords);
|
||||
parcel.writeInt(curRecords);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
public static class ValueDesfireFileSettings extends DesfireFileSettings {
|
||||
public final int lowerLimit;
|
||||
public final int upperLimit;
|
||||
public final int value;
|
||||
public final byte limitedCreditEnabled;
|
||||
|
||||
public ValueDesfireFileSettings(ByteArrayInputStream stream) {
|
||||
super(stream);
|
||||
|
||||
byte[] buf = new byte[4];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
lowerLimit = Utils.byteArrayToInt(buf);
|
||||
|
||||
buf = new byte[4];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
upperLimit = Utils.byteArrayToInt(buf);
|
||||
|
||||
buf = new byte[4];
|
||||
stream.read(buf, 0, buf.length);
|
||||
ArrayUtils.reverse(buf);
|
||||
value = Utils.byteArrayToInt(buf);
|
||||
|
||||
|
||||
buf = new byte[1];
|
||||
stream.read(buf, 0, buf.length);
|
||||
limitedCreditEnabled = buf[0];
|
||||
|
||||
//http://www.skyetek.com/docs/m2/desfire.pdf
|
||||
//http://neteril.org/files/M075031_desfire.pdf
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel (Parcel parcel, int flags) {
|
||||
super.writeToParcel(parcel, flags);
|
||||
parcel.writeInt(lowerLimit);
|
||||
parcel.writeInt(upperLimit);
|
||||
parcel.writeInt(value);
|
||||
parcel.writeByte(limitedCreditEnabled);
|
||||
}
|
||||
}
|
||||
public static class UnsupportedDesfireFileSettings extends DesfireFileSettings {
|
||||
public UnsupportedDesfireFileSettings(byte fileType) {
|
||||
super(fileType, Byte.MIN_VALUE, new byte[0]);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,173 @@
|
||||
/*
|
||||
* DesfireManufacturingData.java
|
||||
*
|
||||
* Copyright (C) 2011 Eric Butler
|
||||
*
|
||||
* Authors:
|
||||
* Eric Butler <eric@codebutler.com>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package com.codebutler.farebot.card.desfire;
|
||||
|
||||
import android.os.Parcel;
|
||||
import android.os.Parcelable;
|
||||
import com.codebutler.farebot.Utils;
|
||||
import org.w3c.dom.Element;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
|
||||
public class DesfireManufacturingData implements Parcelable {
|
||||
public final int hwVendorID;
|
||||
public final int hwType;
|
||||
public final int hwSubType;
|
||||
public final int hwMajorVersion;
|
||||
public final int hwMinorVersion;
|
||||
public final int hwStorageSize;
|
||||
public final int hwProtocol;
|
||||
|
||||
public final int swVendorID;
|
||||
public final int swType;
|
||||
public final int swSubType;
|
||||
public final int swMajorVersion;
|
||||
public final int swMinorVersion;
|
||||
public final int swStorageSize;
|
||||
public final int swProtocol;
|
||||
|
||||
public final int uid;
|
||||
public final int batchNo;
|
||||
public final int weekProd;
|
||||
public final int yearProd;
|
||||
|
||||
public DesfireManufacturingData (byte[] data) {
|
||||
ByteArrayInputStream stream = new ByteArrayInputStream(data);
|
||||
hwVendorID = stream.read();
|
||||
hwType = stream.read();
|
||||
hwSubType = stream.read();
|
||||
hwMajorVersion = stream.read();
|
||||
hwMinorVersion = stream.read();
|
||||
hwStorageSize = stream.read();
|
||||
hwProtocol = stream.read();
|
||||
|
||||
swVendorID = stream.read();
|
||||
swType = stream.read();
|
||||
swSubType = stream.read();
|
||||
swMajorVersion = stream.read();
|
||||
swMinorVersion = stream.read();
|
||||
swStorageSize = stream.read();
|
||||
swProtocol = stream.read();
|
||||
|
||||
// FIXME: This has fewer digits than what's contained in EXTRA_ID, why?
|
||||
byte[] buf = new byte[7];
|
||||
stream.read(buf, 0, buf.length);
|
||||
uid = Utils.byteArrayToInt(buf);
|
||||
|
||||
// FIXME: This is returning a negative number. Probably is unsigned.
|
||||
buf = new byte[5];
|
||||
stream.read(buf, 0, buf.length);
|
||||
batchNo = Utils.byteArrayToInt(buf);
|
||||
|
||||
// FIXME: These numbers aren't making sense.
|
||||
weekProd = stream.read();
|
||||
yearProd = stream.read();
|
||||
}
|
||||
|
||||
public static DesfireManufacturingData fromXml (Element element) {
|
||||
return new DesfireManufacturingData(element);
|
||||
}
|
||||
|
||||
private DesfireManufacturingData (Element element) {
|
||||
hwVendorID = Integer.parseInt(element.getElementsByTagName("hw-vendor-id").item(0).getTextContent());
|
||||
hwType = Integer.parseInt(element.getElementsByTagName("hw-type").item(0).getTextContent());
|
||||
hwSubType = Integer.parseInt(element.getElementsByTagName("hw-sub-type").item(0).getTextContent());
|
||||
hwMajorVersion = Integer.parseInt(element.getElementsByTagName("hw-major-version").item(0).getTextContent());
|
||||
hwMinorVersion = Integer.parseInt(element.getElementsByTagName("hw-minor-version").item(0).getTextContent());
|
||||
hwStorageSize = Integer.parseInt(element.getElementsByTagName("hw-storage-size").item(0).getTextContent());
|
||||
hwProtocol = Integer.parseInt(element.getElementsByTagName("hw-protocol").item(0).getTextContent());
|
||||
|
||||
swVendorID = Integer.parseInt(element.getElementsByTagName("sw-vendor-id").item(0).getTextContent());
|
||||
swType = Integer.parseInt(element.getElementsByTagName("sw-type").item(0).getTextContent());
|
||||
swSubType = Integer.parseInt(element.getElementsByTagName("sw-sub-type").item(0).getTextContent());
|
||||
swMajorVersion = Integer.parseInt(element.getElementsByTagName("sw-major-version").item(0).getTextContent());
|
||||
swMinorVersion = Integer.parseInt(element.getElementsByTagName("sw-minor-version").item(0).getTextContent());
|
||||
swStorageSize = Integer.parseInt(element.getElementsByTagName("sw-storage-size").item(0).getTextContent());
|
||||
swProtocol = Integer.parseInt(element.getElementsByTagName("sw-protocol").item(0).getTextContent());
|
||||
|
||||
uid = Integer.parseInt(element.getElementsByTagName("uid").item(0).getTextContent());
|
||||
batchNo = Integer.parseInt(element.getElementsByTagName("batch-no").item(0).getTextContent());
|
||||
weekProd = Integer.parseInt(element.getElementsByTagName("week-prod").item(0).getTextContent());
|
||||
yearProd = Integer.parseInt(element.getElementsByTagName("year-prod").item(0).getTextContent());
|
||||
}
|
||||
|
||||
private DesfireManufacturingData (Parcel parcel) {
|
||||
hwVendorID = parcel.readInt();
|
||||
hwType = parcel.readInt();
|
||||
hwSubType = parcel.readInt();
|
||||
hwMajorVersion = parcel.readInt();
|
||||
hwMinorVersion = parcel.readInt();
|
||||
hwStorageSize = parcel.readInt();
|
||||
hwProtocol = parcel.readInt();
|
||||
|
||||
swVendorID = parcel.readInt();
|
||||
swType = parcel.readInt();
|
||||
swSubType = parcel.readInt();
|
||||
swMajorVersion = parcel.readInt();
|
||||
swMinorVersion = parcel.readInt();
|
||||
swStorageSize = parcel.readInt();
|
||||
swProtocol = parcel.readInt();
|
||||
|
||||
uid = parcel.readInt();
|
||||
batchNo = parcel.readInt();
|
||||
weekProd = parcel.readInt();
|
||||
yearProd = parcel.readInt();
|
||||
}
|
||||
|
||||
public void writeToParcel(Parcel parcel, int flags) {
|
||||
parcel.writeInt(hwVendorID);
|
||||
parcel.writeInt(hwType);
|
||||
parcel.writeInt(hwSubType);
|
||||
parcel.writeInt(hwMajorVersion);
|
||||
parcel.writeInt(hwMinorVersion);
|
||||
parcel.writeInt(hwStorageSize);
|
||||
parcel.writeInt(hwProtocol);
|
||||
|
||||
parcel.writeInt(swVendorID);
|
||||
parcel.writeInt(swType);
|
||||
parcel.writeInt(swSubType);
|
||||
parcel.writeInt(swMajorVersion);
|
||||
parcel.writeInt(swMinorVersion);
|
||||
parcel.writeInt(swStorageSize);
|
||||
parcel.writeInt(swProtocol);
|
||||
|
||||
parcel.writeInt(uid);
|
||||
parcel.writeInt(batchNo);
|
||||
parcel.writeInt(weekProd);
|
||||
parcel.writeInt(yearProd);
|
||||
}
|
||||
|
||||
public int describeContents() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
public static final Parcelable.Creator<DesfireManufacturingData> CREATOR = new Parcelable.Creator<DesfireManufacturingData>() {
|
||||
public DesfireManufacturingData createFromParcel(Parcel source) {
|
||||
return new DesfireManufacturingData(source);
|
||||
}
|
||||
|
||||
public DesfireManufacturingData[] newArray(int size) {
|
||||
return new DesfireManufacturingData[size];
|
||||
}
|
||||
};
|
||||
}
|
||||
@ -0,0 +1,188 @@
|
||||
/*
|
||||
* DesfireProtocol.java
|
||||
*
|
||||
* Copyright (C) 2011 Eric Butler
|
||||
*
|
||||
* Authors:
|
||||
* Eric Butler <eric@codebutler.com>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package com.codebutler.farebot.card.desfire;
|
||||
|
||||
import android.nfc.tech.IsoDep;
|
||||
import com.codebutler.farebot.Utils;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.commons.lang3.ArrayUtils;
|
||||
|
||||
public class DesfireProtocol {
|
||||
/* Commands */
|
||||
static final byte GET_MANUFACTURING_DATA = (byte) 0x60;
|
||||
static final byte GET_APPLICATION_DIRECTORY = (byte) 0x6A;
|
||||
static final byte GET_ADDITIONAL_FRAME = (byte) 0xAF;
|
||||
static final byte SELECT_APPLICATION = (byte) 0x5A;
|
||||
static final byte READ_DATA = (byte) 0xBD;
|
||||
static final byte READ_RECORD = (byte) 0xBB;
|
||||
static final byte READ_VALUE = (byte) 0x6C;
|
||||
static final byte GET_FILES = (byte) 0x6F;
|
||||
static final byte GET_FILE_SETTINGS = (byte) 0xF5;
|
||||
|
||||
/* Status codes */
|
||||
static final byte OPERATION_OK = (byte) 0x00;
|
||||
static final byte PERMISSION_DENIED = (byte) 0x9D;
|
||||
static final byte ADDITIONAL_FRAME = (byte) 0xAF;
|
||||
|
||||
private IsoDep mTagTech;
|
||||
|
||||
public DesfireProtocol(IsoDep tagTech) {
|
||||
mTagTech = tagTech;
|
||||
}
|
||||
|
||||
public DesfireManufacturingData getManufacturingData() throws DesfireException {
|
||||
byte[] respBuffer = sendRequest(GET_MANUFACTURING_DATA);
|
||||
|
||||
if (respBuffer.length != 28)
|
||||
throw new DesfireException("Invalid response");
|
||||
|
||||
return new DesfireManufacturingData(respBuffer);
|
||||
}
|
||||
|
||||
public int[] getAppList() throws DesfireException {
|
||||
byte[] appDirBuf = sendRequest(GET_APPLICATION_DIRECTORY);
|
||||
|
||||
int[] appIds = new int[appDirBuf.length / 3];
|
||||
|
||||
for (int app = 0; app < appDirBuf.length; app += 3) {
|
||||
byte[] appId = new byte[3];
|
||||
System.arraycopy(appDirBuf, app, appId, 0, 3);
|
||||
|
||||
appIds[app / 3] = Utils.byteArrayToInt(appId);
|
||||
}
|
||||
|
||||
return appIds;
|
||||
}
|
||||
|
||||
public void selectApp (int appId) throws DesfireException {
|
||||
byte[] appIdBuff = new byte[3];
|
||||
appIdBuff[0] = (byte) ((appId & 0xFF0000) >> 16);
|
||||
appIdBuff[1] = (byte) ((appId & 0xFF00) >> 8);
|
||||
appIdBuff[2] = (byte) (appId & 0xFF);
|
||||
|
||||
sendRequest(SELECT_APPLICATION, appIdBuff);
|
||||
}
|
||||
|
||||
public int[] getFileList() throws DesfireException {
|
||||
byte[] buf = sendRequest(GET_FILES);
|
||||
int[] fileIds = new int[buf.length];
|
||||
for (int x = 0; x < buf.length; x++) {
|
||||
fileIds[x] = (int)buf[x];
|
||||
}
|
||||
return fileIds;
|
||||
}
|
||||
|
||||
public DesfireFileSettings getFileSettings (int fileNo) throws DesfireException {
|
||||
byte[] data = new byte[0];
|
||||
data = sendRequest(GET_FILE_SETTINGS, new byte[] { (byte) fileNo });
|
||||
return DesfireFileSettings.Create(data);
|
||||
}
|
||||
|
||||
public byte[] readFile (int fileNo) throws DesfireException {
|
||||
return sendRequest(READ_DATA, new byte[] {
|
||||
(byte) fileNo,
|
||||
(byte) 0x0, (byte) 0x0, (byte) 0x0,
|
||||
(byte) 0x0, (byte) 0x0, (byte) 0x0
|
||||
});
|
||||
}
|
||||
|
||||
public byte[] readRecord (int fileNum) throws DesfireException {
|
||||
return sendRequest(READ_RECORD, new byte[]{
|
||||
(byte) fileNum,
|
||||
(byte) 0x0, (byte) 0x0, (byte) 0x0,
|
||||
(byte) 0x0, (byte) 0x0, (byte) 0x0
|
||||
});
|
||||
}
|
||||
|
||||
public int readValue(int fileNum) throws DesfireException {
|
||||
byte[] buf = sendRequest(READ_VALUE, new byte[]{
|
||||
(byte) fileNum
|
||||
});
|
||||
ArrayUtils.reverse(buf);
|
||||
return Utils.byteArrayToInt(buf);
|
||||
}
|
||||
|
||||
|
||||
private byte[] sendRequest (byte command) throws DesfireException {
|
||||
return sendRequest(command, null);
|
||||
}
|
||||
|
||||
private byte[] sendRequest (byte command, byte[] parameters) throws DesfireException {
|
||||
ByteArrayOutputStream output = new ByteArrayOutputStream();
|
||||
|
||||
byte[] recvBuffer = new byte[0];
|
||||
try {
|
||||
recvBuffer = mTagTech.transceive(wrapMessage(command, parameters));
|
||||
} catch (IOException e) {
|
||||
throw new DesfireException(e);
|
||||
}
|
||||
|
||||
while (true) {
|
||||
if (recvBuffer[recvBuffer.length - 2] != (byte) 0x91)
|
||||
throw new DesfireException("Invalid response");
|
||||
|
||||
output.write(recvBuffer, 0, recvBuffer.length - 2);
|
||||
|
||||
byte status = recvBuffer[recvBuffer.length - 1];
|
||||
if (status == OPERATION_OK) {
|
||||
break;
|
||||
} else if (status == ADDITIONAL_FRAME) {
|
||||
try {
|
||||
recvBuffer = mTagTech.transceive(wrapMessage(GET_ADDITIONAL_FRAME, null));
|
||||
} catch (IOException e) {
|
||||
throw new DesfireException(e);
|
||||
}
|
||||
} else if (status == PERMISSION_DENIED) {
|
||||
throw new DesfireException("Permission denied");
|
||||
} else {
|
||||
throw new DesfireException("Unknown status code: " + Integer.toHexString(status & 0xFF));
|
||||
}
|
||||
}
|
||||
|
||||
return output.toByteArray();
|
||||
}
|
||||
|
||||
private byte[] wrapMessage (byte command, byte[] parameters) throws DesfireException {
|
||||
ByteArrayOutputStream stream = new ByteArrayOutputStream();
|
||||
|
||||
stream.write((byte) 0x90);
|
||||
stream.write(command);
|
||||
stream.write((byte) 0x00);
|
||||
stream.write((byte) 0x00);
|
||||
if (parameters != null) {
|
||||
stream.write((byte) parameters.length);
|
||||
try {
|
||||
stream.write(parameters);
|
||||
} catch (IOException e) {
|
||||
throw new DesfireException(e);
|
||||
}
|
||||
}
|
||||
stream.write((byte) 0x00);
|
||||
|
||||
return stream.toByteArray();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,35 @@
|
||||
/*
|
||||
* DesfireRecord.java
|
||||
*
|
||||
* Copyright (C) 2011 Eric Butler
|
||||
*
|
||||
* Authors:
|
||||
* Eric Butler <eric@codebutler.com>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package com.codebutler.farebot.card.desfire;
|
||||
|
||||
public class DesfireRecord {
|
||||
private byte[] mData;
|
||||
|
||||
public DesfireRecord (byte[] data) {
|
||||
mData = data;
|
||||
}
|
||||
|
||||
public byte[] getData () {
|
||||
return mData;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user