Ecole d'ingénieur et centre de recherche en Sciences du numérique

Establishment of ad-hoc communities through policy-based cryptography

Bagga, Walid;Crosta, Stefano;Michiardi, Pietro;Molva, Refik

WCAN 2006, 2nd Workshop on Cryptography for Ad hoc Networks, July 16th, 2006, Venice, Italy | Also published in Electronic Notes in Theoretical Computer Science, Volume 171, N°1

In [14], an ad-hoc network is perceived as a community of interconnected autonomous devices providing services and resources to each other. Such devices often belong to users from different security domains that do not have pre-existing trust relationships. A security framework is therefore needed to ensure trustworthy interactions within such kind of communities. A comprehensive policy-based security framework supporting the establishment, evolution and management of ad-hoc networks is proposed in [14]. In this paper, we first revisit the concept of policy-based encryption and describe a policybased encryption scheme from bilinear pairings. Our scheme improves the one proposed in [2] in terms of ciphertext size, while at the same time preserving the computational efficiency. Then, we leverage the framework proposed in [14] and show how a privacyenhanced secure establishment of ad-hoc communities can be achieved using the policybased encryption primitive.

Document Doi Bibtex

Titre:Establishment of ad-hoc communities through policy-based cryptography
Mots Clés:Ad-Hoc Communities;Credentials;Bilinear Pairings
Type:Conférence
Langue:English
Ville:Venice
Pays:ITALIE
Date:
Département:Sécurité numérique
Eurecom ref:1989
Copyright: © Elsevier. Personal use of this material is permitted. The definitive version of this paper was published in WCAN 2006, 2nd Workshop on Cryptography for Ad hoc Networks, July 16th, 2006, Venice, Italy | Also published in Electronic Notes in Theoretical Computer Science, Volume 171, N°1 and is available at : http://dx.doi.org/10.1016/j.entcs.2006.11.013
Bibtex: @inproceedings{EURECOM+1989, doi = {http://dx.doi.org/10.1016/j.entcs.2006.11.013}, year = {2006}, title = {{E}stablishment of ad-hoc communities through policy-based cryptography}, author = {{B}agga, {W}alid and {C}rosta, {S}tefano and {M}ichiardi, {P}ietro and {M}olva, {R}efik}, booktitle = {{WCAN} 2006, 2nd {W}orkshop on {C}ryptography for {A}d hoc {N}etworks, {J}uly 16th, 2006, {V}enice, {I}taly | {A}lso published in {E}lectronic {N}otes in {T}heoretical {C}omputer {S}cience, {V}olume 171, {N}°1}, address = {{V}enice, {ITALIE}}, month = {07}, url = {http://www.eurecom.fr/publication/1989} }
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