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Bounded Memory Protocols and Progressing Collaborative Systems


Kanovich, Max; Ban Kirigin, Tajana; Nigam, Vivek; Scedrov, Andre
Bounded Memory Protocols and Progressing Collaborative Systems // FCS'13 Workshop on Foundations of Computer Security
New Orleans, SAD, 2013. (predavanje, međunarodna recenzija, neobjavljeni rad, znanstveni)


Naslov
Bounded Memory Protocols and Progressing Collaborative Systems

Autori
Kanovich, Max ; Ban Kirigin, Tajana ; Nigam, Vivek ; Scedrov, Andre

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, neobjavljeni rad, znanstveni

Skup
FCS'13 Workshop on Foundations of Computer Security

Mjesto i datum
New Orleans, SAD, 29.6.2013

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Collaborative systems ; Computational complexity ; Protocol security

Sažetak
It is well-known that the Dolev-Yao adversary is a powerful adversary. Besides acting as the network, intercepting, sending, and composing messages, he can remember as much information as he needs. That is, his memory is unbounded. We recently proposed a weaker Dolev-Yao like adversary, which also acts as the network, but whose memory is bounded. We showed that this Bounded Memory Dolev-Yao adversary, when given enough memory, can carry out many existing protocol anomalies. In particular, the known anomalies arise for bounded memory protocols, where there is only a bounded number of concurrent sessions and the honest participants of the protocol cannot generate an unbounded number of facts nor an unbounded number of nonces. This led us to the question of whether it is possible to infer an upper- bound on the memory required by the Dolev-Yao adversary to carry out an anomaly from the memory restrictions of the bounded protocol. This paper answers this question negatively.

Izvorni jezik
Engleski

Znanstvena područja
Matematika, Arhitektura i urbanizam, Brodogradnja



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Ustanove
Sveučilište u Rijeci - Odjel za matematiku

Autor s matičnim brojem:
Tajana Ban-Kirigin, (229313)