On Mon, Jan 2, 2012 at 2:03 PM, Marcus Brinkmann <[email protected]> wrote: > On 01/02/2012 06:58 PM, Jeffrey Walton wrote: >> I was reading "CAPTCHA: Using Hard AI Problems For Security" by Ahn, >> Blum, Hopper, and Langford (www.captcha.net/captcha_crypt.pdf). >> >> I understand how recognition is easy for humans and hard for computer >> programs. > > But is that really true? > > My personal experience with CAPTCHAs is that they are increasingly hard to > decipher for humans. Has the scale already tipped over in favor of computer > programs? Agreed.
Jeff _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
