mirror of
https://github.com/moparisthebest/open-keychain
synced 2024-11-27 19:22:14 -05:00
Add first basic implementation of Apgservice
Provides an AIDL-API for other apps to encrypt and decrypt a string symmetrically with a passphrase. Function names and API is by no way finalized and will change! Support for asymetric encription will follow. For reference and discussion see issue #71, https://code.google.com/p/android-privacy-guard/issues/detail?id=71
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@ -195,7 +195,11 @@
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android:configChanges="keyboardHidden|orientation|keyboard"/>
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<service android:name=".Service" />
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<service android:name=".ApgService" android:enabled="true" android:exported="true" android:process=":remote" >
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<intent-filter>
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<action android:name="org.thialfihar.android.apg.IApgService"/>
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</intent-filter>
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</service>
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<provider
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android:readPermission="org.thialfihar.android.apg.permission.READ_KEY_DETAILS"
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android:name="org.thialfihar.android.apg.provider.DataProvider"
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76
src/org/thialfihar/android/apg/ApgService.java
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src/org/thialfihar/android/apg/ApgService.java
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@ -0,0 +1,76 @@
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package org.thialfihar.android.apg;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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import android.content.Intent;
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import android.os.IBinder;
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import android.util.Log;
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public class ApgService extends Service {
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static String TAG = "ApgService";
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@Override
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public IBinder onBind(Intent intent) {
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Log.d(TAG, "bound");
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return mBinder;
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}
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private final IApgService.Stub mBinder = new IApgService.Stub() {
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public String encrypt_with_passphrase(String msg, String passphrase) {
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Preferences mPreferences = Preferences
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.getPreferences(getApplicationContext());
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InputStream inStream = new ByteArrayInputStream(msg.getBytes());
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InputData in = new InputData(inStream, 9999);
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OutputStream out = new ByteArrayOutputStream();
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long enc_keys[] = {};
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Apg.initialize(getApplicationContext());
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try {
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Apg.encrypt(
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getApplicationContext(),
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in,
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out,
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true, // armored
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enc_keys, // encryption keys
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0, // signature key
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null, // signature passphrase
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null, // progress
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mPreferences.getDefaultEncryptionAlgorithm(),
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mPreferences.getDefaultHashAlgorithm(),
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Id.choice.compression.none, false, // mPreferences.getForceV3Signatures(),
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passphrase // passPhrase
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);
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} catch (Exception e) {
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Log.d(TAG, "Exception in encrypt");
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e.printStackTrace();
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return null;
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}
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Log.d(TAG, "Encrypted");
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return out.toString();
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}
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public String decrypt_with_passphrase(String encrypted_msg,
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String passphrase) {
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InputStream inStream = new ByteArrayInputStream(encrypted_msg
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.getBytes());
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InputData in = new InputData(inStream, 9999); // XXX what size in
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// second parameter?
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OutputStream out = new ByteArrayOutputStream();
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try {
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Apg.decrypt(getApplicationContext(), in, out, passphrase, null, // progress
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true // symmetric
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);
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} catch (Exception e) {
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Log.d(TAG, "Exception in decrypt");
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e.printStackTrace();
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return null;
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}
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return out.toString();
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}
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};
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}
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6
src/org/thialfihar/android/apg/IApgService.aidl
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src/org/thialfihar/android/apg/IApgService.aidl
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@ -0,0 +1,6 @@
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package org.thialfihar.android.apg;
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interface IApgService {
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String encrypt_with_passphrase(String msg, String passphrase);
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String decrypt_with_passphrase(String encrypted_msg, String passphrase);
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}
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