Merge branch 'master' of https://github.com/da-kid/open-keychain into da-kid-master

Conflicts:
	OpenKeychain/src/test/resources/extern/OpenPGP-Haskell

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java

@@ -68,6 +68,7 @@ public final class Constants {
         public static final String FORCE_V3_SIGNATURES = "forceV3Signatures";
         public static final String KEY_SERVERS = "keyServers";
         public static final String KEY_SERVERS_DEFAULT_VERSION = "keyServersDefaultVersion";
+        public static final String CONCEAL_PGP_APPLICATION = "concealPgpApplication";
         public static final String FIRST_TIME = "firstTime";
     }
 

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/Preferences.java

@@ -197,4 +197,14 @@ public class Preferences {
                     .commit();
         }
     }
+
+    public void setConcealPgpApplication(boolean conceal) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putBoolean(Constants.Pref.CONCEAL_PGP_APPLICATION, conceal);
+        editor.commit();
+    }
+
+    public boolean getConcealPgpApplication() {
+        return mSharedPreferences.getBoolean(Constants.Pref.CONCEAL_PGP_APPLICATION, false);
+    }
 }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpHelper.java

@@ -24,6 +24,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.helper.Preferences;
 import org.sufficientlysecure.keychain.util.Log;
 
 import java.io.File;
@@ -60,8 +61,12 @@ public class PgpHelper {
     }
 
     public static String getFullVersion(Context context) {
+        if(Preferences.getPreferences(context).getConcealPgpApplication()){
+            return "";
+        } else {
             return "OpenKeychain v" + getVersion(context);
         }
+    }
 
 //    public static final class content {
 //        public static final int unknown = 0;

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PreferencesActivity.java

@@ -121,6 +121,9 @@ public class PreferencesActivity extends PreferenceActivity {
             initializeForceV3Signatures(
                     (CheckBoxPreference) findPreference(Constants.Pref.FORCE_V3_SIGNATURES));
 
+            initializeConcealPgpApplication(
+                    (CheckBoxPreference) findPreference(Constants.Pref.CONCEAL_PGP_APPLICATION));
+
         } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
             // Load the legacy preferences headers
             addPreferencesFromResource(R.xml.preference_headers_legacy);
@@ -264,6 +267,9 @@ public class PreferencesActivity extends PreferenceActivity {
 
             initializeForceV3Signatures(
                     (CheckBoxPreference) findPreference(Constants.Pref.FORCE_V3_SIGNATURES));
+
+            initializeConcealPgpApplication(
+                    (CheckBoxPreference) findPreference(Constants.Pref.CONCEAL_PGP_APPLICATION));
         }
     }
 
@@ -396,4 +402,15 @@ public class PreferencesActivity extends PreferenceActivity {
                     }
                 });
     }
+
+    private static void initializeConcealPgpApplication(final CheckBoxPreference mConcealPgpApplication) {
+        mConcealPgpApplication.setChecked(sPreferences.getConcealPgpApplication());
+        mConcealPgpApplication.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                mConcealPgpApplication.setChecked((Boolean) newValue);
+                sPreferences.setConcealPgpApplication((Boolean) newValue);
+                return false;
+            }
+        });
+    }
 }

OpenKeychain/src/main/res/values/strings.xml

@@ -109,6 +109,8 @@
     <string name="label_passphrase_again">Again</string>
     <string name="label_algorithm">Algorithm</string>
     <string name="label_ascii_armor">ASCII Armor</string>
+    <string name="label_conceal_pgp_application">Let others know that you\'re using OpenKeychain</string>
+    <string name="label_conceal_pgp_application_summary">Writes \'OpenKeychain v2.7\' to OpenPGP signatures, ciphertext, and exported keys</string>
     <string name="label_select_public_keys">Recipients</string>
     <string name="label_delete_after_encryption">Delete After Encryption</string>
     <string name="label_delete_after_decryption">Delete After Decryption</string>

OpenKeychain/src/main/res/xml/adv_preferences.xml

@@ -38,6 +38,12 @@
             android:key="defaultAsciiArmor"
             android:persistent="false"
             android:title="@string/label_ascii_armor" />
+
+        <CheckBoxPreference
+            android:key="concealPgpApplication"
+            android:persistent="false"
+            android:title="@string/label_conceal_pgp_application"
+            android:summary="@string/label_conceal_pgp_application_summary" />
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/section_advanced" >
         <CheckBoxPreference