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Index > Heap > [solved] would my idea better than CAPTCHA?

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sleepsleep



Joined: 05 Oct 2006
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sleepsleep
we see lots of so called CAPTCHA breaker... i got one idea, u guys please give views coz i wanna implement it in my forum soon.

Image

the red line will move like clock, so, when it move to the purple section, then only the submit, or post or register button process will be valid, otherwise it wounldn't be valid.

and each fail tries will make the circle divide more and harder to submit.

or there could be totally different colors on the divided circle, so the php script will tell you what color you should wait till the red line cross it to proceed.

wat u think? genius? Cool Cool Laughing


Last edited by sleepsleep on 03 Sep 2008, 21:05; edited 1 time in total
Post 03 Sep 2008, 14:15
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17278
Location: In your JS exploiting you and your system
revolution
This idea would fail badly for people not using any scripting, or with animations disabled.

Also for any disabled people maybe with a muscle control problem or sight problem.

But technically, how do you intend to implement it? JS, Java, Flash?
Post 03 Sep 2008, 14:20
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sleepsleep



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sleepsleep
flash i think. javascript is capable to do something like this too.

but just after i went to the toilet, i got another new one Smile i think hard to beat.

puzzle that after you solved it, it reveals the word, then only you can type it.

eg.
Image
Post 03 Sep 2008, 14:39
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LocoDelAssembly
Your code has a bug


Joined: 06 May 2005
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LocoDelAssembly
So far both things are very resolvable by a simple automaton. The first one is even crackable because the only reliable way to make it work is checking on the local computer if the user pressed the button at the correct time but since you let the spammer computer to decide correctness of the operation then...
Post 03 Sep 2008, 14:44
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17278
Location: In your JS exploiting you and your system
revolution
sleepsleep: what is your perceived threat? If your expected audience is minimal then creating almost any unique type of human verification will most probably be sufficient to keep out the robots.

Making people solve puzzles may actually work against your goal (depending upon your target audience), many people just can't be bothered to spend time solving weird puzzles and simply forgo entering your website.
Post 03 Sep 2008, 14:48
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bitRAKE



Joined: 21 Jul 2003
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bitRAKE
Any CAPTCHA that can be shelled by a fake site is breakable - use humans to break it. Sure it is slower and something like porn is needed to bring in the human drones.

Atleast if you use reCAPTCHA something good comes from it - broken or not.

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Post 03 Sep 2008, 15:09
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Madis731



Joined: 25 Sep 2003
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Madis731
The simplest way is to show the user three pictures and then let the mouse click fall on the "car" or the "house". You need insane AI to figure that one out. They don't even need to be scrambled or skewed.
Just a picture of a... car or a ....well, house.

K.I.S.S.
Post 03 Sep 2008, 15:44
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MazeGen



Joined: 06 Oct 2003
Posts: 975
Location: Czechoslovakia
MazeGen
Use this:
Quote:
Enter number five:
If you don't get "5", it is a robot.

Or someone is going to write a robot to read the numbers on that particular forum?
Post 03 Sep 2008, 16:03
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Madis731



Joined: 25 Sep 2003
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Madis731
Etrne nbmeur seevn <= another trick that is known to work on human brains (the starting and ending letter is maintained).

Sad thing is that any way you try to hide it - computers crack it. Image-processing is still in baby-steps and it might work for a while. Hence what I suggested.

http://www.filebuzz.com/software_screenshot/full/27294-animal_and_foliage_icons.jpg
Tell user to click on a football Smile
Post 03 Sep 2008, 16:12
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bitRAKE



Joined: 21 Jul 2003
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bitRAKE
Break any CAPTCHA:
http://news.bbc.co.uk/1/hi/technology/7067962.stm

Useful CAPTCHA ideas:
http://www.gwap.com/gwap/
http://www.galaxyzoo.org/
http://images.google.com/imagelabeler/

Another idea is to present a storyboard of pictures and ask the user to put them in cronological order (used on psyche tests).

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Post 03 Sep 2008, 17:25
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r22



Joined: 27 Dec 2004
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r22
Any CAPTCHA that takes longer than ~5 seconds to complete will get your site blackballed by the public (most broadband users won't even wait 5seconds for a page to load).

Best CAPTCHA (IMHO) is picture recognition.
i.e.
- 10 pictures of objects: choose the 3 that don't belong
Odds of randomly guessing correctly 1/10 * 1/9 * 1/8 = .0014 (0.14%)
or
- 8 pictures of men and women: choose the 4 [men/women]
Odds of randomly guessing 1/8 * 1/7 * 1/6 * 1/5 = 0.0006 (0.06%)

You could potentially get the pictures from google image or a dating site that's publicly searchable or a large free clip art collection, and then randomly modify them (rotate/blur/invert colors/add random lines).

I'd rather see slightly distorted pictures than illegible letters/numbers.
Post 03 Sep 2008, 18:44
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bitRAKE



Joined: 21 Jul 2003
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bitRAKE
r22 wrote:
Any CAPTCHA that takes longer than ~5 seconds to complete will get your site blackballed by the public (most broadband users won't even wait 5seconds for a page to load).
My SIMD technique is to load multiple tabs and go to the first one that finishes loading. Razz Doing work for a guy that uses AOL through dial-up still, and it just kills me. Something that would take me a couple seconds to lookup can take an hour. Remember some fragment of information from several years ago becomes worthless to the research. For example, if I remember how a program interface looked, but don't recall the name; or remember how I got to a paper I read, but can't seem to hit the right keywords for the search engines. Broadband completely changes that dynamic - I'm completely filled with worthless snippets, lol.

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Post 03 Sep 2008, 19:54
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sleepsleep



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sleepsleep
some post inspired me,
i think the easiest maybe is,
put 3 pictures there,

basketball, baseball, flower

so, the users should pick the unique one, flower (which is not associated with another 2 pictures).

car, plane, keyboard

something combo like that.

this thread problem solved Smile
Post 03 Sep 2008, 21:05
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sleepsleep



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sleepsleep
i think we could do something even more subjective.

maybe we could put 3 pictures (male), then ask user which one is older, younger, or age around 40, or with profession as a business man... something like that.
Post 07 Sep 2008, 11:07
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edfed



Joined: 20 Feb 2006
Posts: 4237
Location: 2018
edfed
or put five words.
put an ascii picture.
user shall give the right name to the picture.

Code:
          WWWWWWWW          UUh mmmmmmmmmm mmmmmmmmmm
        WWWWW    WWW         UUhhh mmmmmmmmmmmm              KKKKKK
 OOO       WWWWWW WWW          UUUhhhhh  mmmmB             KK      KK
OOO       WW  WWW WWWW           UUUUUUhhhhhhB            KPTo loco KK
O     WWWWWW  WWW W  W               UUUUUUUUB           K  I I I    KK
WWWW   WWWWWWWW  WWWWW                      B           K   I I I    KK
  WW     WWW   WWWWWW                       B           K   I I I    KK
WW W       WWWWWWW                          B           K   I   I    KK
   WWWWWWWWW   WW                          B            K   I   I    KK
WW WWWWWWWWWWW WWW                         B           K PDrinkPPPPPPKK
   WWW      WW WWWWvvvW                  BBB           K           MMKK
WWWWW       WWW  WW WWW                  BBB           K PPPPPPPPPPPPKK
            WWWW    WW                     B           K    I   I    KK
             WWW WWWW                      B           K    I   I    KK
          WW   W WW                         B          K    I   I    KK
         WWWWWWW WWWWw                      B          K    I   I    KK
          wWWWWW WWWWw                       B         K Peyotl!!!!PPKK


What is this ?  



    

1) a gnome
2) a smurfy
3) a cloud
4) a cat
5) a woman


reply:
Image


Last edited by edfed on 07 Sep 2008, 19:42; edited 3 times in total
Post 07 Sep 2008, 19:11
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LocoDelAssembly
Your code has a bug


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LocoDelAssembly
What I have to smoke before replying? Razz
Post 07 Sep 2008, 19:23
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edfed



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edfed
did you find the good answer? Wink
Post 07 Sep 2008, 19:37
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sleepsleep



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sleepsleep
i saw this captcha from tinycorelinux.net forum,

arrange picture vertical or horizontal, got a slider for you to rotate the image,

another one is, a person face (or part of his face)
then a listing about 8 photos that you choose one to match the above person,

both ideas are excellent!
Post 22 May 2013, 19:59
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Fixit



Joined: 22 Nov 2012
Posts: 161
Fixit
Anything would be better than what is currently used.

Some of them are so difficult to read that they P**s me off. Smile
Post 22 May 2013, 20:46
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sleepsleep



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sleepsleep
old thread,
but with latest all A.I buzz, let us revisit some new form captcha.

by google. http://goo.gl short url service
Image

human selection verifying is utilized as machine learning,

but i think if they allow people to circle where the stuff eg, in above picture, pies located, that would be better.

idk how the AI disregard wrong answer, but what if million looping bot keep on picking the wrong answer, would the machine then based on statistic records learn that previous information about itself is wrong and identify the wrong picture as acceptable answer?

Google achieves AI 'breakthrough' by beating Go champion
Quote:

A Google artificial intelligence program has beaten the European champion of the board game Go.

The Chinese game is viewed as a much tougher challenge than chess for computers because there are many more ways a Go match can play out.

The tech company's DeepMind division said its software had beaten its human rival five games to nil.

this is no good.
Post 28 Jan 2016, 14:35
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