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Re: Page encryption exception handling.


Hi, Clemens!

On Oct 13, Clemens Dörrhöfer wrote:
> Hi community,
> I am working on implementing page encryption for XtraDB. Encryption
> itself works fine, now I am focusing on exception handling.  My
> problem is that whenever page encryption is misconfigured it will
> crash the entire server, which is no acceptable behaviour.
> Example I encrypted a table with key id 42, I delete the key from the
> keypool thus I can no longer decrypt the table, because the
> appropriate key is missing.  Ideally whenever a client tries to query
> data from an encrypted table, which cannot be decrypted, it will
> receive an error message informing the client that Table X could not
> be decrypted because key 42 is missing.
> Can you point me out to how to accomplish such a behaviour.

Where exactly does it crash? Where do you detect that the key 42 is
missing? Could you show a stack trace?