[Haskell-cafe] ANN: Nomyx 0.1 beta, the game where you can change the rules

Clark Gaebel cgaebel at uwaterloo.ca
Wed Feb 27 20:18:22 CET 2013


You could just hash it.

  - Clark


On Wed, Feb 27, 2013 at 2:08 PM, Corentin Dupont
<corentin.dupont at gmail.com>wrote:

> So I need to "encrypt" the user ID in some way? What I need is to
> associate the user ID to a random number and store the association is a
> table?
>
>
>
> On Wed, Feb 27, 2013 at 3:52 PM, Erik Hesselink <hesselink at gmail.com>wrote:
>
>> Note that cookies are not the solution here. Cookies are just as user
>> controlled as the url, just less visible. What you need is a session
>> id: a mapping from a non-consecutive, non-guessable, secret token to
>> the user id (which is sequential and thus guessable, and often exposed
>> in urls etc.). It doesn't matter if you then store it in the url or a
>> cookie. Cookies are just more convenient.
>>
>> Erik
>>
>> On Wed, Feb 27, 2013 at 3:30 PM, Corentin Dupont
>> <corentin.dupont at gmail.com> wrote:
>> > Yes, having a cookie to keep track of the session if something I plan
>> to do.
>> >
>> > On Wed, Feb 27, 2013 at 3:16 PM, Mats Rauhala <mats.rauhala at gmail.com>
>> > wrote:
>> >>
>> >> The user id is not necessarily the problem, but rather that you can
>> >> impose as another user. For this, one solution is to keep track of a
>> >> unique (changing) user token in the cookies and use that for verifying
>> >> the user.
>> >>
>> >> --
>> >> Mats Rauhala
>> >> MasseR
>> >>
>> >> -----BEGIN PGP SIGNATURE-----
>> >> Version: GnuPG v1.4.10 (GNU/Linux)
>> >>
>> >> iEYEARECAAYFAlEuFVQACgkQHRg/fChhmVMu3ACeLLjbluDQRYekIA2XY37Xbrql
>> >> tH0An1eQHrLLxCjHHBQcZKmy1iYxCxTt
>> >> =tf0d
>> >> -----END PGP SIGNATURE-----
>> >>
>> >>
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>
>
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