Patent ID: 8566584
Filing Date: 2013-10-22
Classification: H04L

Abstract:
1. A method for processing a Dynamic Host Configuration Protocol (DHCP) message, comprising: receiving the DHCP message, wherein a source address of the DHCP message is a Cryptographically Generated Address (CGA), and contents of the DHCP message comprise a payload, one or more CGA parameters and a signature of a DHCP message sender for the contents of the DHCP message; verifying the CGA and the signature of the DHCP message sender; and processing the payload of the DHCP message after the verifications of the CGA and the signature succeeded; wherein the signature of the DHCP message sender is carried in a signature option of the DHCP message and the CGA parameters are carried in a CGA parameter option of the DHCP massage, and wherein the CGA parameters are a union of parameters used by the DHCP message sender in a process of generating the CGA.