Patent ID: 9419949
Filing Date: 2016-08-16
CPC Classification: H04L

Claim Text:
1. A method of increasing communication security, said method comprising: responsive to receiving a first message from a first computer system, determining whether said first computer system is authorized to communicate with a second computer system, wherein said determining is performed at a third computer system; if said first computer system is authorized to communicate with a second computer system, communicating a second message from said third computer system for delivery to said first computer system, wherein said second message includes a first data portion and a second data portion, wherein said first data portion is associated with a security token, wherein said first data portion includes a first instance of a session key, and wherein said second data portion includes a second instance of said session key; communicating a third message from said first computer system for delivery to said second computer system, wherein said third message includes said first data portion; communicating a fourth message from said first computer system for delivery to said second computer system; and performing, using said first instance of said session key, message validation associated with said fourth message.