Pier Fumagalli wrote: >>> Guys, >>> for one of our registration projects, we needed to verify that a >>> user is really in front of the browser (no automatons allowed). I >>> wrote, then, a little "text-warper" that randomly stretches text for >>> a user to see (and re-type) and writes out JPEG files. >>>
Amazingly enough, PWNtcha [0] does not seem to be able to decode your rather simple text warping. It's intriguing to see how their routines can solve captchas even humans have to concentrate on, yet is unable to solve a simple text warp. Jorg [0] http://sam.zoy.org/pwntcha/ (i took the liberty of running your warps through their cgi)
