The authentication response extension carries the authenticator value computed over the RRQ
using MS CHAPv2 and a hash of the user password. This provides the bootstrap authentication
that authenticates the initial RRQ from which the dynamic Mobile Node-Home Agent keys can
be derived. This extension is mandatory but is only used in the initial RRQ. After the session
keys have been derived, they are used in the MHAE to authenticate registration update
messages.
Configuration Extensions
While not related to the derivation or distribution of security associations, four more extensions ...
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