full-disclosure

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Date: Sun, 1 Jan 2012 19:13:58 +0530
From: ebhakt <ebhakt@...il.com>
To: bugtraq@...urityfocus.com, crypto@...urityfocus.com, 
	dailydave@...ts.immunityinc.com, Dailydave@...ts.immunitysec.com, 
	focus-ids@...urityfocus.com, focus-virus@...urityfocus.com, 
	forensics@...urityfocus.com, full-disclosure@...ts.grok.org.uk, 
	nmap-hackers@...ecure.org, secureshell@...urityfocus.com, 
	security-basics@...urityfocus.com, webappsec@...urityfocus.com, 
	yws-search-general@...oogroups.com
Subject: captcha

Hii guys,
I want to know the logic behind creating a captcha image
I know how the servers are designed and what the captcha security does!!
but how the captcha imagae is generated >> that's my main question !!

Any ideas , guesses !!
Just mail around !!

Thanks

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