zendframework/zf2 — pull request #2430 by ezimuel (2012-09-27 09:59:45+00:00)
Title: [2.1] Added the scrypt key derivation algorithm in Zend\Crypt

Added the scrypt algorithm in Zend\Crypt\Key\Derivation.
The scrypt is designed to be more secure against hardware brute-force attacks than alternative functions such as PBKDF2 or bcrypt.
For more information: http://www.tarsnap.com/scrypt.html