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Inkblot Auth: Authenticate users by showing them inkblot images

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Last Updated Ratings Unique User Downloads Download Rankings
2011-09-16 (5 years ago) RSS 2.0 feedNot enough user ratingsTotal: 411 All time: 6,141 This week: 1,115Up
Version License PHP version Categories
inkblot-auth 1.0BSD License5.0PHP 5, User Management, Validation, S...
Description Author

This class can authenticate users by showing them inkblot images.

It can associate a given user password with a list of inkblot images. The user chooses the password after seeing a list of inkblots and tell what those inkblots look like.

The class can authenticate the user after showing him the same inkblots in a random order and asking the user to tell those inkblots remind him.

Innovation Award
PHP Programming Innovation award nominee
October 2011
Number 9		 The inkbloth authentication method is able to authenticate users by asking them what words remind those users certain images that are presented to them.

This class provides a PHP implementation of this authentication approach.

Manuel Lemos
Picture of Arturs Sosins
  Performance   Level  
Name: Arturs Sosins <contact>
Classes: 22 packages by
Country: Latvia Latvia

Level 5 StarStarStarStarStar

 Innovation award
Innovation award
Nominee: 13x

Winner: 2x

Screenshots  
  • inkblot_example.jpg
  Files folder image Files  
File Role Description
Files folder imageinkblots (8 files)
Plain text file inkblot_auth.php Class Main class
Accessible without login Plain text file example.php Example Simple registration and uathentication example

  Files folder image Files  /  inkblots  
File Role Description
  Accessible without login Image file image.png Data Random inkblot image
  Accessible without login Image file image1.jpg Data Random inkblot image
  Accessible without login Image file image15.gif Data Random inkblot image
  Accessible without login Image file image2.jpg Data Random inkblot image
  Accessible without login Image file image4.jpg Data Random inkblot image
  Accessible without login Image file image5.jpg Data Random inkblot image
  Accessible without login Image file image6.gif Data Random inkblot image
  Accessible without login Image file image8.gif Data Random inkblot image

Downloadinkblot-auth-2011-09-16.zip 296KB
Downloadinkblot-auth-2011-09-16.tar.gz 296KB
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Total:411
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All time:6,141
This week:1,115Up
User Comments (1)
very creative
5 years ago (Yakim)		70%StarStarStarStar
 

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  Related pages  
Inkblot auth documentation
Documentation and example scripts in action
Microsoft Inkblot Authentication
Microsoft's research about using inkblots in authentication
Password test
Testing different authentication options