login register session script like freelancer.com

Avg Bid (EUR)
Project Budget (EUR)
€30 - €250

Project Description:
I would need a login system with b-crypt sha512 and a salt key.
The login system has to be the same as freelancer.com login system.

What I need in details is:
login, logout, sign up, registration page to mysql encoded sha512+salt, forgot password with reset and new password sha512+salt
and also facebook login.

Skills required:
About the employer:
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