I know a hash-function named rolling hash. It works fine when you consider multiple user for multiple session.
On Wed, Jul 1, 2009 at 11:02 AM, brian <[email protected]> wrote: > > I wouldn't bother trying to include (and parse out) the date in the > hash. Create a table to store the hashes and include a "created > DATETIME DEFAULT NULL" column. This way, you can later use your DB's > date/time functions to check if it's within the 48 hours. When the > hash is used, remove it from the DB. > > On Tue, Jun 30, 2009 at 7:51 PM, > DigitalDude<[email protected]> wrote: > > > > Hey, > > > > I need a way to generate a hash code, which is valid 48 hrs. after it > > has been generated. I need this to register my users and to activate > > them. > > > > I have the problem that this code below does generate a hash for 2 > > days, but this will cause problems when a user registers at 23:56, so > > the hash will only be valid for the next day because it does not hash > > correctly. I need a generation in hours, but I can't figure out how to > > do that. > > > > Here's what I got so far...: > > > > return substr(Security::hash(Configure::read('Security.salt') . $this- > >>field('created') . date('Y-m-d', strtotime("+2 days"))), 0, 20); > > > > The hash is generated by hashing the security salt, the date the user > > is created and the actual date + 2 days. It should contain 20 digits. > > When I try to put +48 hrs into the code instead of +2 days the hash > > will not be accepted anymore. > > > > Would be nice if someone could help me on this one... > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "CakePHP" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cake-php?hl=en -~----------~----~----~----~------~----~------~--~---
