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Title: Analysis of cryptographic protocols using logics of belief: an overview, Journal of Telecommunications and Information Technology, 2002, nr 4

Creator:

Monniaux, David

Date:

2002, nr 4

Resource Type:

artykuł

Description:

When designing a cryptographic protocol or explaining it, one often uses arguments such as “since this message was signed by machine B, machine A can be sure it came from B” in informal proofs justifying how the protocol works. Since it is, in such informal proofs, often easy to overlook an essential assumption, such as a trust relation or the belief that a message is not a replay from a previous session, it seems desirable to write such proofs in a formal system. While such logics do not replace the recent techniques of automatic proofs of safety properties, they help in pointing the weaknesses of the system. In this paper, we present briefly the BAN (Burrows-Abadi-Needham) formal system [10, 11] as well as some derivative. We show how to prove some properties of a simple protocol, as well as detecting undesirable assumptions. We then explain how the manual search for proofs can be made automatic. Finally, we explain how the lack of proper semantics can be a bit worrying.

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Resource Identifier:

oai:bc.itl.waw.pl:677 ; ISSN 1509-4553, on-line: ISSN 1899-8852

DOI:

10.26636/jtit.2002.4.145

ISSN:

1509-4553

eISSN:

1899-8852

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

cryptographic protocols decidability BAN logics of belief GNY

Object collections:

Last modified:

May 28, 2024

In our library since:

Apr 19, 2010

Number of object content hits:

211

All available object's versions:

https://bc.itl.waw.pl/publication/752

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Edition name Date
Monniaux, David, Analysis of cryptographic protocols using logics of belief: an overview, Journal of Telecommunications and Information Technology, 2002, nr 4 May 28, 2024

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