Security Basics mailing list archives

Re: password cracking: one char at a time.


From: Ippatsu Man <ippatsuman () gmail com>
Date: Tue, 22 Nov 2005 19:30:48 +0100

michael young wrote:

Hi all,
   I was wondering if is at all possible to discover a password one
char at a time.
Normally, you either get the password right or wrong (all or nothing).

Usually is not possible to infer any information on the right password
just knowing that the tested one is wrong. A remarkable exception are
cash card PINs: http://www.cl.cam.ac.uk/TechReports/UCAM-CL-TR-560.pdf


-- 
IppatsuMan


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