Patent ID: 8312279
Filing Date: 2012-11-13
Classification: H04L

Abstract:
1. A system comprising: an authentication server; a client; and an access controller interconnectable for communications therebetween; said authentication server operable to deliver a first key to said client; said access controller operable to store a second key complementary to said first key for encrypting at least a portion of communications between said client and said access controller; said access controller including a plurality of ports each connectable to a computer; said access controller operable to store at least one third key and to associate each said third key with a corresponding one of said ports; said access controller further operable to decrypt, using the second key, instructions for a particular computer respective to a particular one of said ports, the instructions having been encrypted by the client using the first key; said access controller further operable to encrypt the instructions received from said client using a particular third key corresponding to the particular one of said ports and to pass the encrypted instructions to the particular computer respective to the particular one of said ports according to a verification protocol utilizing the particular third key and a fourth key delivered to the particular computer.