On Wed, May 02, 2001 at 11:07:30AM -0500, Scott G. Miller wrote:
> On Wed, May 02, 2001 at 02:21:11AM -0400, Tavin Cole wrote:
> > On Wed, May 02, 2001 at 12:38:32AM -0500, Scott G. Miller wrote:
> > > >
> > > > Why not just display the insertion key in 3D text (such as that rendered by
> > > > many of the gimp plugins), with lots of funky color and lighting effects.
> > > > Even animate it somehow. It can be converted to ascii art using aalib, for
> > > > console users.
> > > Main problem is the amount of data that requires. You can't send a
> > > description of the scene, because thats going to be easily recognized and
> > > cracked by a machine. But other than that its fine.
> >
> > ? I don't see it requiring that much data to encode. It's just a banner-sized
> > picture with low resolution and few colors. It is exactly the characters that
> > constitute the insertion key, the user just needs to type them in.
> >
> > Suppose you use a 64-character set [a-zA-Z] plus 2 punctuation characters.
> > Just 6 characters gives you 64^6 == 2^36 combinations. Plus the puzzle can
> > be randomly generated without human intervention.
>
> Thats actually only 54 characters. I'm just worried that that sort of
> puzzle is too easy to use OCR on.
Sorry, I meant [a-zA-Z0-9] plus 2 punctuation. You know, base 64..
Anyway, seems to me it would be easy enough to distort the text to the point
where it wasn't OCR-able, so that a motivated spammer would be forced to
contract out Oskar's Indonesian slave labor.
--
# tavin cole
#
# "The process of scientific discovery is, in effect,
# a continual flight from wonder."
# - Albert Einstein
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