By Susanne Albers (auth.), Farid Ablayev, Ernst W. Mayr (eds.)
This ebook constitutes the lawsuits of the fifth foreign laptop technology Symposium in Russia, CSR 2010, held in Kazan, Russia, in June 2010. The 30 papers awarded have been rigorously reviewed and chosen from sixty two submissions. The scope of themes of the symposium used to be fairly huge and lined essentially all parts of the principles of theoretical machine technology.
Read or Download Computer Science – Theory and Applications: 5th International Computer Science Symposium in Russia, CSR 2010, Kazan, Russia, June 16-20, 2010. Proceedings PDF
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Extra info for Computer Science – Theory and Applications: 5th International Computer Science Symposium in Russia, CSR 2010, Kazan, Russia, June 16-20, 2010. Proceedings
K ∈ K_MEM ∧ K ∈ dom(KEY_A) ∧ ¬A = I ∧ ((KEY_A(K) = A ∧ KEY_B(K) = B) ∨ (KEY_A(K) = B ∧ KEY_B(K) = A)) ⇒B = I This ﬁrst invariant states that to preserve the peer knowledge property, the attacker should only posses keys he share with another agent. The second theorem is as follows: ∀ K, A, B, frag. frag ∈ FRAG∧FRAG_A(frag) = A∧FRAG_Key(frag) = K∧ ((KEY_A(K) = A ∧ KEY_B(K) = B) ∨ (KEY_A(K) = B ∧ KEY_B(K) = A)) ∧ ¬A = I ∧ K ∈ dom(KEY_A) ⇒ B = FRAG_Src(frag) Intuitively this invariant states that if a fragment is encrypted with a key owned by two agents and the identity of one of these agent is in the ﬁeld FRAG_A, then the source of this fragment is the other agent.
We start by identifying properties of the ﬁnal protocol and decompose these properties to obtain the basic properties ensuring the required properties. Each basic property is validated by a mechanism through a Event B development starting by a ﬁrst abstract machine and completed by a ﬁnal machine integrating elements on the protocol itself and on the possible attacks. Then the combination of mechanisms is driven by the target property and is validated by a double reﬁnement. Modelling attacker’s knowledge is an important issue, a set of variables Attack_Know is used to model this knowledge.
LNCS, vol. 1055, pp. 147–166. Springer, Heidelberg (1996) 13. : Using encryption for authentication in large networks of computers. Commun. ACM 21(12), 993–999 (1978) 14. : The inductive approach to verifying cryptographic protocols. Journal of Computer Security 6, 85–128 (1998) 15. Project RODIN. net/ 16. : On unifying some cryptographic protocol logics. In: SP ’94: Proceedings of the 1994 IEEE Symposium on Security and Privacy, Washington, DC, USA, p. 14. IEEE Computer Society, Los Alamitos (1994) 17.
Computer Science – Theory and Applications: 5th International Computer Science Symposium in Russia, CSR 2010, Kazan, Russia, June 16-20, 2010. Proceedings by Susanne Albers (auth.), Farid Ablayev, Ernst W. Mayr (eds.)