Secure Element access implementation

Change-Id: I907e6771ecc5babe895115c3a49288fa2144a187

Android.mk

@@ -123,6 +123,7 @@ LOCAL_SRC_FILES += \
 	core/java/android/nfc/INfcTag.aidl \
 	core/java/android/nfc/IP2pInitiator.aidl \
 	core/java/android/nfc/IP2pTarget.aidl \
+    core/java/android/nfc/INfcSecureElement.aidl \
 	core/java/android/os/IHardwareService.aidl \
 	core/java/android/os/IMessenger.aidl \
 	core/java/android/os/INetworkManagementService.aidl \

core/java/android/nfc/INfcAdapter.aidl

@@ -24,6 +24,7 @@ import android.nfc.ILlcpConnectionlessSocket;
 import android.nfc.INfcTag;
 import android.nfc.IP2pTarget;
 import android.nfc.IP2pInitiator;
+import android.nfc.INfcSecureElement;
 
 /**
  * @hide
@@ -36,6 +37,7 @@ interface INfcAdapter
     INfcTag getNfcTagInterface();
     IP2pTarget getP2pTargetInterface();
     IP2pInitiator getP2pInitiatorInterface();
+    INfcSecureElement getNfcSecureElementInterface();
 
     // NfcAdapter-class related methods
     boolean isEnabled();

core/java/android/nfc/INfcSecureElement.aidl

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.nfc;
+
+/**
+ * {@hide}
+ */
+interface INfcSecureElement {
+    int openSecureElementConnection();
+    int closeSecureElementConnection(int nativeHandle);
+    byte[] exchangeAPDU(int nativeHandle, in byte[] data);
+    int[] getSecureElementTechList(int nativeHandle);
+    byte[] getSecureElementUid(int nativeHandle);
+}

core/java/android/nfc/NfcAdapter.java

@@ -1,12 +1,17 @@
 /*
- * Copyright (C) 2010 The Android Open Source Project Licensed under the Apache
- * License, Version 2.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
- * or agreed to in writing, software distributed under the License is
- * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package android.nfc;
@@ -354,4 +359,17 @@ public final class NfcAdapter {
             return null;
         }
     }
+
+    /**
+     * Create an Nfc Secure Element Connection
+     * @hide
+     */
+    public NfcSecureElement createNfcSecureElementConnection() {
+        try {
+            return new NfcSecureElement(mService.getNfcSecureElementInterface());
+        } catch (RemoteException e) {
+            Log.e(TAG, "createNfcSecureElementConnection failed", e);
+            return null;
+        }
+    }
 }

core/java/android/nfc/NfcSecureElement.java

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.nfc;
+
+import android.nfc.technology.TagTechnology;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.io.IOException;
+
+//import android.util.Log;
+
+/**
+ * This class provides the primary API for managing all aspects Secure Element.
+ * Get an instance of this class by calling
+ * Context.getSystemService(Context.NFC_SERVICE).
+ * @hide
+ */
+public final class NfcSecureElement {
+
+    private static final String TAG = "NfcSecureElement";
+
+    private INfcSecureElement mService;
+    
+       
+    /**
+     * @hide
+     */
+    public NfcSecureElement(INfcSecureElement mSecureElementService) {
+        mService = mSecureElementService;
+    }
+
+    public int openSecureElementConnection(String seType) throws IOException {
+        if (seType.equals("SmartMX")) {
+            try {
+                int handle = mService.openSecureElementConnection();
+                // Handle potential errors
+                if (handle != 0) {
+                    return handle;
+                } else {
+                    throw new IOException("SmartMX connection not allowed");
+                }
+            } catch (RemoteException e) {
+                Log.e(TAG, "RemoteException in openSecureElementConnection(): ", e);
+                return 0;
+            }
+
+        } else if (seType.equals("UICC")) {
+            return 0;
+        } else {
+        	throw new IOException("Wrong Secure Element type");
+        }
+    }
+
+
+    public byte [] exchangeAPDU(int handle,byte [] data) throws IOException {
+        
+
+        // Perform exchange APDU
+        try {
+            byte[] response = mService.exchangeAPDU(handle, data);
+            // Handle potential errors
+            if (response == null) {
+            	throw new IOException("Exchange APDU failed");
+            }
+            return response;
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in exchangeAPDU(): ", e);
+            return null;
+        }
+    }
+
+    public void closeSecureElementConnection(int handle) throws IOException {
+         
+        try {
+            int status = mService.closeSecureElementConnection(handle);
+            // Handle potential errors
+            if (ErrorCodes.isError(status)) {
+            	throw new IOException("Error during the conection close");
+            };
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in closeSecureElement(): ", e);
+        }
+    }
+    
+    
+    /**
+     * Returns target type. constants.
+     * 
+     * @return Secure Element technology type. The possible values are defined in
+     * {@link TagTechnology}
+     * 
+     */
+    public int[] getSecureElementTechList(int handle) throws IOException {
+        try {
+            return mService.getSecureElementTechList(handle);
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in getType(): ", e);
+            return null;
+        }
+    }
+    
+    /**
+     * Returns Secure Element UID.
+     * 
+     * @return Secure Element UID.
+     */
+    public byte[] getSecureElementUid(int handle) throws IOException {
+        
+        byte[] uid = null;
+        try {            
+            uid = mService.getSecureElementUid(handle);
+            // Handle potential errors
+            if (uid == null) {
+                throw new IOException("Get Secure Element UID failed");
+            }
+            return uid;
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in getType(): ", e);
+            return null;
+        }
+    }
+
+}