[flashu]

Thank You for the reply!

I think I've made some mind shortcuts and now I see them after reading Your questions.

The thing is that I have to access data stored in the encrypted database/storage because it must be accessible by an application process without any interaction from the user. Data will be decrypted on-demand by background worker using the key which I have to store somewhere and which must be secured somehow and available only for that process.

So far, my idea is flying over solutions like ionCube / Zend Encoder to encrypt/encode/secure the source code of the application or only parts of it to prevent exposing the logic responsible for getting out the data among with keys themselves.

Can I call it: poor-man encryption? :-)