By app-level solution you mean some sort of custom encryption /
decryption scheme for the data dictionaries?
I'm still not convinced the data needs encryption -- I mean, it
wouldn't hurt and in an ideal world I'd just push everything over SSL,
but the worst thing that happens if someone gets hold of the data
we're exchanging is a customer who has to call support because their
activation key registers as already in-use, not any sort of identity
theft or loss of financial credentials.
Mostly with this I'm just trying to make sure that I can prevent
unauthorized users from using the API to make themselves free
activation keys.
On May 25, 10:02 am, Alex Robbins <alexander.j.robb...@gmail.com>
wrote:
> It might be worth a try to see if the self-signed cert gets you into
> trouble or not. Some url libraries might complain about it, but I
> don't think that the behavior is universal. As I think about it, I
> think it is normally browsers that whine about self-signed certs.
> Maybe the other server wouldn't even mention it? Anyway, it'd be a lot
> easier to setup an ssl cert than roll your own app level solution.
>
> Good luck!
> Alex
>
> On May 24, 10:57 am, ringemup <ringe...@gmail.com> wrote:
>
>
>
> > Not a bad idea, actually, but the other site is on shared hosting, so
> > I don't expect the host to be willing to add a self-signed cert as
> > trusted.
>
> > On May 24, 10:07 am, Alex Robbins <alexander.j.robb...@gmail.com>
> > wrote:
>
> > > Just a thought, but if you are the only person using the url, you
> > > could make your own self-signed security cert. It would be free and
> > > protect your data. It won't show up as trusted to users, but your
> > > other server can be set to accept it. (Assuming the lack of ssl is a
> > > budget issue, that wouldn't fix a technical issue.)
>
> > > Alex
>
> > > On May 23, 10:10 am, ringemup <ringe...@gmail.com> wrote:
>
> > > > Hi folks --
>
> > > > I'm putting together a simple API to allow a separately-hosted but
> > > > trusted site to perform a very limited set of actions on my site. I'm
> > > > wondering whether the design I've come up with is reasonably secure:
>
> > > > - Other site gets an API key, which is actually in two parts, public
> > > > key and private key, each of which is a uuid generated by Python's
> > > > uuid module.
>
> > > > - The API key object in the DB references a User object, whose
> > > > permissions determine what actions the API key owner may take
>
> > > > - Other site submits a POST request to a special URL on my site. POST
> > > > request contains 3 vars: public_key, data (as JSON), hash.
>
> > > > - Hash is a SHA1 of the data concatenated with the private key
>
> > > > - I use the public key to search the database for the API key and
> > > > permissions.
>
> > > > - I generate the SHA1 of the data concatenated with the private key
> > > > from the DB, and check it against the submitted hash; only if they
> > > > match do I decode the data dict and take the actions specified within
>
> > > > - I then return an HTTP response containing a JSON object of the
> > > > format:
>
> > > > {
> > > > return_data: [object containing success / failure codes, messages,
> > > > any other data],
> > > > hash: [SHA1 of return_data concatenated with private key]
>
> > > > }
>
> > > > - All data will be transmitted in the clear (no SSL currently
> > > > available -- *sigh*), but there will be no sensitive data in the
> > > > incoming data dict. return_data may contain values that aren't meant
> > > > to be broadcasted, but aren't really sensitive (along the lines of
> > > > activation keys for a game)
>
> > > > Do you see any major potential flaws in this plan?
>
> > > > Thanks!
>
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