Patent ID: 8713303
Filing Date: 2014-04-29
Classification: H04L

Abstract:
1. A method for establishing security connection between switch equipment by calculating and saving a switch key between a first switch equipment and a second switch equipment, comprising: 1) sending, by a first switch equipment, a switch key negotiation activation packet to a second switch equipment, the switch key negotiation activation packet comprising an N the N 2) constructing, by the second switch equipment, a switch key negotiation request packet and sending the switch key negotiation request packet to the first switch equipment, after receiving the switch key negotiation activation packet sent by the first switch equipment, the switch key negotiation request packet comprising an N wherein the N the N the MIC5 field indicates a message identification code, and is a hash value obtained by the second switch equipment performing hash function calculation on the fields in the switch key negotiation request packet other than the MIC5 field by using a switch protocol data key SW-PDK 3) constructing, by the first switch equipment, a switch key negotiation response packet and sending the switch key negotiation response packet to the second switch equipment, after receiving the switch key negotiation request packet sent by the second switch equipment; and 4) confirming, by the second switch equipment, that the switch key obtained by the first switch equipment is consistent with that of the second switch equipment, after receiving the switch key negotiation response packet sent by the first switch equipment.