in reply to Re^2: Temporarily Obscuring a Lottery Draw
in thread Temporarily Obscuring a Lottery Draw

B doesn't give to A if A gave to B the previous year

That's an interesting one - I may implement it

That's *very* easy to do

The real security is chmodding the file to 600. However, there are a few people in the admin group (including myself), so the md5 is more about overhead (making someone take time to write a script) than actual security. The only truly secure choice I can see implementing is the e-mail reminder.

  • Comment on Re^3: Temporarily Obscuring a Lottery Draw

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Re^4: Temporarily Obscuring a Lottery Draw
by ikegami (Patriarch) on Nov 03, 2008 at 21:21 UTC

    The overhead is very little more than using MIME::Base64. The (untested) "decrypting" script:

    Read more... (2 kB)

    I realise this isn't a place where security is critical. I just wanted to introduce you to security thinking for future reference.

    By the way, change
    open INPUT, '<' . $participantsFile
    to
    open INPUT, '<', $participantsFile
    for free benefits. It wouldn't hurt to add at least the very simple "or die $!;".

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