Location: PHPKode > scripts > PHP Time One Time Password > php-time-one-time-password/readme.txt
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                PHP Time One Time Password - Version 1.0
                             June 2008
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                Copyright (c) 2008 Dragos Protung

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CONTENTS
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1. Description
2. System Requirements
3. How to use
4. Contact

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1. Product Description
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A PHP class that can generate a code valid for a limited time.
Based on a secret key you can generate a code that is valid only for a limited period of time
or as a one time password (OTP), so this class extends the OTP to support the valability of the code in time.
The password generated can be verified on another server (or the same) without sending the secret key
and it will be valid only for a limited time.
The encription is using is the HMAC algorithm.

It can be usefull to grant access for a limited time to a resource without saving the passwords and it's valability
and check of it's valability.
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2. System Requirements
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PHP 5.x
For PHP version prior to 5.1.2 use totp_p512.class.php

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3. How to use
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See the example file (example.php)

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4. Contact
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Please send your suggestions, bug reports and general feedback to hide@address.com
Also visit http://www.protung.ro


Out for now ;)
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