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tamil-captcha-system is a type of challenge-response test uses unicode tamil font to generate random tamil letters along with numbers. this offer additional layer of security and only people with knowledge on reading and writing tamil can pass through it.

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-- note - this legacy code was used in the past, it is here for the sake of archival --

tamil-captcha-system

author:
Coimbatore Sankarraman Shyam Sundar (CS3) 

based on:
Simon Jarvis’s Captcha Implementation ( http://www.white-hat-webdesign.co.uk/articles/php-captcha.php )

introduction:
A CAPTCHA is a type of challenge-response test used in computing to determine whether the user is human.

features:
tamil-captcha-system uses unicode tamil font to generate random tamil letters along with numbers. this offer additional layer of security and only people with knowledge on reading and writing tamil can pass through it.

usage:
see sampleForm.php

notes:
it is mandatory to force content-type header as UTF-8 before session! for an example: see sampleForm.php

licensing information:
The MIT License
Copyright (c) 2007, Coimbatore Sankarraman Shyam Sundar ( CS3 )
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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tamil-captcha-system is a type of challenge-response test uses unicode tamil font to generate random tamil letters along with numbers. this offer additional layer of security and only people with knowledge on reading and writing tamil can pass through it.

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