Authenticating address ownership using care-of address (COA)...

Details Authenticating address ownership using care-of address (COA)... Authenticating address ownership using care-of address (COA)...

2011-03-22

2011-03-22

Simitoski, Michael J (Department: 2439)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Having particular address related cryptography

C726S004000, C726S016000, C726S026000, C713S170000, C713S179000, C713S182000, C380S262000, C380S270000, C370S338000

Reexamination Certificate

active

07913082

ABSTRACT:
A method for authenticating address ownership using a Care-of Address (CoA) binding protocol, the method includes a comparison of two hash-function-processed result values, i.e., a first hash-function-processed result value transmitted from a home agent, the first hash-function-processed result value encrypted by a public key of a correspondent node and decrypted by a secret key of the correspondent node, and a second hash-function-processed result value piggybacked in a binding update message transmitted from a mobile node. The hash-function-processed result values are obtained by applying hash functions to a care-of address of a mobile node to be used in a foreign link, a random number generated by a home agent and a secret key shared by the home agent and the mobile node.

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