Encrypted SQLite DB for Android

[afiller]

Hi, as promised in #51 hereby I provide a pull request for encrypted databases on android. It's tested (ci:check and in a test project) and working. Nevertheless I want to address some things:

1. It works with or without password, but in all of the cases it's using another SQLite implementation for android. In my tests it works perfect, but I wanted to tell you.

2. The new library requires to be mentioned in the licenses, see https://www.zetetic.net/sqlcipher/open-source/

I did not change documentation at all. It's up to you where to mention this.

3. The password can be simply set in the SQLiteAdapter:

new SQLiteAdapter({
      schema: defaultSchema,
      dbName: 'myDB',
      password: 'ABC123!'
    })

If none is given the DB is not encrypted. Quite easy and backwards compatible.

4. I adjusted the iOS methods accordingly to be the same as in Android. The parameter password is given there as well, but simply not used. I think this makes sense for possible future changes also there.

Feel free to change what you want. :) I hope it's a valuable contribution and I would look forward to be mentioned in the contributors section - but of course that's not a "must".

Best regards,

Andreas

[alexandrethsilva]

hi @afiller is there any update on this here? anything I could help with? right now it seems to be only a pending conflict res, but maybe there was some back channeling I'm not aware of :)

[Overtorment]

@afiller any progress on this?

[falquinho]

@afiller Hey, good evening. I'm here to ask for some guidance if you're able to help. My project requires database encryption(late requisite, else I would not have used Watermelon) so i'm trying to port you patch to Watermelon 0.17.1.
It has some differences in the NativeBridgeType and NativeDispatcher. I've changed their functions signatures where needed to take an extra string for the password, but i keep getting the run-time error DatabaseBridge.initialize got 5 arguments but requires 6. It doesn't make sense to me, its args are 5: tag, schema, password, schemaVersion and callback.
Can you help make this patch? Can someone point me what I'm missing?

[radex]

Closed in favor of #907 . Thank you for your work!