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Method and Apparatus for Securing a Connection in a Communications Network
University of Sao Paulo.ORCID iD: 0000-0001-5227-7165
University of Sao Paulo.ORCID iD: 0000-0002-0821-0614
University of Sao Paulo.
Ericsson Research.
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2015 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A method of securing a session between a Network Application Function, NAF, and a User Equipment, UE, connected to a network. The NAF is assigned a NAF identifier, NAF_id, using the Generic Bootstrapping Architecture, GBA, or a similar architecture and a shared secret is established between the UE and the NAF (S7.1). An application request containing a bootstrapping transaction identifier is sent to the NAF from the UE (S7.2) and an authentication request comprising the bootstrapping transaction identifier, the NAF_id, and information derived from the shared secret is sent to a Bootstrapping Server Function, BSF, from the NAF (S7.4). The BSF and the UE determine a NAF key, Ks_NAF, by using a modified parameter in place of or in addition to an original parameter in a key derivation function, the modified parameter being derived from the shared secret and the original parameter of the key derivation function (S7.5). This NAF key is transmitted from the BSF to the NAF (S7.6) and used to secure communications between the NAF and the UE (S7.7). Also provided are apparatus to act as a NAF, UE, and BSF in the method above.

Place, publisher, year, edition, pages
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Computer and Information Science
URN: urn:nbn:se:kau:diva-40674OAI: diva2:905725
US 20150281958
Available from: 2016-02-23 Created: 2016-02-23 Last updated: 2016-05-17Bibliographically approved

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Simplício, M ACarvalho, T C M BIwaya, L H
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