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This draft is a work item of the Mobility for IP: Performance, Signaling and Handoff Optimization Working Group of the IETF.
Title : Distributing a Symmetric FMIPv6 Handover Key using SEND
Author(s) : J. Kempf, et al.
Filename : draft-ietf-mipshop-handover-key-00.txt
Pages : 10
Date : 2007-3-2
Fast Mobile IPv6 requires that a Fast Binding Update is secured
using a security association shared between an Access Router and a
Mobile Node in order to avoid certain attacks. In this document, a
method for distributing a shared key to secure this signaling is
defined. The method utilizes the RSA public key that the Mobile
Node used to generate its Cryptographically Generated Address in
SEND. The RSA public key is used to encrypt a shared key sent from
the Access Router to the Mobile Node prior to handover. The
ability of the Mobile Node to decrypt the shared key verifies its
possession of the private key corresponding to the CGA public key
used to generate the address. This allows the Mobile Node to use
the shared key to sign and authorize the routing changes triggered
by the Fast Binding Update.
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