It might be a case where it is an invisible file, or that there are two
plist files, one in root/Library and the other in User/Library.
Cheers,
Luis.
Trevor Hopkins wrote:
Thanks for the tips. What I'm primarily looking for is a way to store
registration key/trial expiration data in a way that is least visible to
the user. For an OS X application, is there a way to store this type of
data in its plist file?
If I store the data in a text file, regardless of encoding mechanism,
the user could potentially find the file and delete it, thereby starting
the trial period for the application anew. I noticed in a couple of
Cocoa shareware apps that I tried, that if I deleted their pList files
in Preferences, it did not affect their trial periods, i.e., a 10-day
trial that had been down to 8-days remained at 8-days even though I
deleted its corresponding plist file. In incidences like these, where is
that data stored that says how much time is left on a trial or that the
copy has already been registered?
Many thanks,
Trevor Hopkins
Exeter, UK
From: Richard Gaskin <[EMAIL PROTECTED]>
Reply-To: How to use Revolution <use-revolution@lists.runrev.com>
To: How to use Revolution <use-revolution@lists.runrev.com>
Subject: Re: Saving App-Specific Docs
Date: Tue, 26 Sep 2006 07:56:07 -0700
Trevor Hopkins wrote:
From a Rev application, how does one go about creating and writing
to/reading from a document that is only openable by the Rev app
itself (i.e., not a text document that anyone can open). I can see
how to write data to a text document but what about to another type
of doc that not anyone can get into so easily?
There are many good options for protecting data. In addition to the
other suggestions posted here, if your security needs are modest
there's a very lightweight but reasonably efficient and easy-to-use
encryption handler posted at RevJournal:
<http://www.revjournal.com/tutorials/handy-handlers-005.html>
Most more "industrial strength" encryption you might also consider
Rev's Blowfish implementation, included in the Studio and Enterprise
packages.
--
Richard Gaskin
Managing Editor, revJournal
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