PHP Classes

TOTP: Generate and validate expirable one time passwords

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  Author Author  
Picture of Protung Dragos
Name: Protung Dragos is available for providing paid consulting. Contact Protung Dragos .
Classes: 10 packages by
Country: Romania Romania
Age: 39
All time rank: 281 in Romania Romania
Week rank: 457 Down2 in Romania Romania Down
Innovation award
Innovation award
Nominee: 3x


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This class can be used to generate and validate one time passwords that may expire after a period of time (without using a database or saving the password of any kind).

It generates a code based on a secret key that is valid during a period of time.

The class can also be used to validate the generated code in a different server and check if the code expired.

Details
___________________________________________________________ PHP Time One Time Password - Version 1.5a December 2009 ___________________________________________________________ Copyright (c) 2009 Dragos Protung _______________________ CONTENTS _______________________ 1. Description 2. System Requirements 3. How to use 4. Contact _______________________ 1. Product Description _______________________ 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. _______________________ 2. System Requirements _______________________ PHP 5.x For PHP version prior to 5.1.2 use totp_p512.class.php ______________ 3. How to use ______________ See the example file (example.php) ______________ 4. Contact ______________ Please send your suggestions, bug reports and general feedback to dragos@protung.ro Also visit http://www.protung.ro Out for now ;)

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Name: TOTP
Base name: timeonetimepassword
Description: Generate and validate expirable one time passwords
Version: 2.0
PHP version: 5.0
License: GNU Lesser General Public License (LGPL)
All time users: 1963 users
All time rank: 1999
Week users: 0 users
Week rank: 154 Equal
 
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Group folder image PHP 5 Classes using PHP 5 specific features View top rated classes
Group folder image Cryptography Encrypting, decrypting and hashing data View top rated classes
Group folder image User Management User records, authentication and session handling View top rated classes

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Example.jpg
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  Innovation Award  
PHP Programming Innovation award nominee
July 2008
Number 6


Prize: One book of choice from Manning
One time passwords are useful to provide authorization to access restricted resources during a single access.

This class enhances the concept of one time passwords by giving a single access to the resources for a limited period of time.

Manuel Lemos

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  Files folder image Files  
File Role Description
Plain text file example.php Example Example script
Plain text file license.txt Lic. License
Plain text file readme.txt Doc. Readme file
Plain text file totp.class.php Class Main class
Plain text file totp_p512.class.php Class Class for PHP < 5.1.2

Install with Composer Install with Composer - Download Download all files: timeonetimepassword.tar.gz timeonetimepassword.zip
NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.
  Files folder image Files  
File Role Description
Plain text file example.php Example Example script
Plain text file license.txt Lic. License
Plain text file readme.txt Doc. Readme file
Plain text file totp.class.php Class Main class
Plain text file totp_p512.class.php Class Class for PHP < 5.1.2

Install with Composer Install with Composer - Download Download all files: timeonetimepassword.tar.gz timeonetimepassword.zip
NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.