Patent ID: 8001605
Filing Date: 2011-08-16
Classification: H04L

Abstract:
1. A method for verifying a network link, the method comprising: receiving, at a receiving computer, a plurality of data packets from a sending computer over the network link, the network link including an intermediate computer, the plurality of data packets being forwarded by the intermediate computer to the receiving computer; receiving, by the receiving computer during a secure communication session with the sending computer, an algorithm for reconstructing a secret piece of information from parts of the secret piece of information distributed among the plurality of data packets; reconstructing, by the receiving computer, the secret piece of information using the parts of the secret information distributed among the plurality of received data packets and using the algorithm received from the sending computer; and transmitting, by the receiving computer, the reconstructed secret piece of information back to the sending computer, thereby verifying to the sending computer that the intermediate computer is properly forwarding data packets to the receiving computer.