Ich versuche, meine Datenbank mit sqlcipher lib aus einer bereits vorhandenen Datenbank zu verschlüsseln. Beim Zugriff auf die alte Datenbank (z. B. Öffnen der Datenbank) tritt jedoch die folgende Ausnahme auf:

 02-27 13:12:21.231: E/AndroidRuntime(14687): FATAL EXCEPTION: main
 02-27 13:12:21.231: E/AndroidRuntime(14687): java.lang.RuntimeException: Unable to start activity ComponentInfo{net.sqlcipher/example.SQLDemoActivity}: net.sqlcipher.database.SQLiteException: file is encrypted or is not a database
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2211)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread.access$600(ActivityThread.java:149)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1300)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.os.Handler.dispatchMessage(Handler.java:99)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.os.Looper.loop(Looper.java:153)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread.main(ActivityThread.java:4987)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at java.lang.reflect.Method.invokeNative(Native Method)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at java.lang.reflect.Method.invoke(Method.java:511)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:821)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at dalvik.system.NativeStart.main(Native Method)
 02-27 13:12:21.231: E/AndroidRuntime(14687): Caused by: net.sqlcipher.database.SQLiteException: file is encrypted or is not a database
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteDatabase.native_setLocale(Native Method)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteDatabase.setLocale(SQLiteDatabase.java:2102)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteDatabase.<init>(SQLiteDatabase.java:1968)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteDatabase.openDatabase(SQLiteDatabase.java:901)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:944)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at net.sqlcipher.database.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:107)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at example.SQLDemoActivity.onCreate(SQLDemoActivity.java:42)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.Activity.performCreate(Activity.java:5020)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148)
 02-27 13:12:21.231: E/AndroidRuntime(14687):   ... 11 more

da meine alte db nicht verschlüsselt ist, was soll ich in diesem fall passwort setzen

Ich habe versucht mit der Übergabe von Null in Passwort-Zeichenfolge und auch mit "", aber ohne Glück

gemeldetes Problem anhttps://github.com/sqlcipher/android-database-sqlcipher/issues/124