Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

 

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Hamidreza Damghani, Saeed Ghazi Maghrebi & Mohammadreza Moniri Hamedani

Presentation an effective algorithm to attack Common Scrambling Algorithm (CSA) in digital video broadcasting (DVB) system

(Volume 85 - Année 2016 — Actes de colloques — Special edition)
DOI: 10.25518/0037-9565.5684
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Abstract

Common Scrambling Algorithm (CSA) is used for encoding the video streams in video player broadcasting system. For a more security margin, this algorithm is as a cascade combination of stream and block cipher. Common Scrambling Algorithm has been secure against the classic attacks, while it has been vulnerable against the side-channel ones. One of side-channel attacks on Common Scrambling Algorithm in the digital video broadcasting (DVB) will be studied in this paper. Descrambling the block part of this algorithm, the common key for the whole algorithm is gained. With this, a general approach for a high security encoding against the side-channel attacks is provided.

Keywords : block cipher, common scrambling algorithm (CSA), digital video broadcasting, security, side-channel attack, stream cipher

Om dit artikel te citeren:

Hamidreza Damghani, Saeed Ghazi Maghrebi & Mohammadreza Moniri Hamedani, «Presentation an effective algorithm to attack Common Scrambling Algorithm (CSA) in digital video broadcasting (DVB) system», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 85 - Année 2016, Actes de colloques, Special edition, 840 - 848 URL : https://popups.uliege.be/0037-9565/index.php?id=5684.

Over : Hamidreza Damghani

Student of Master of Degree in the field of  Communications Engineering, Islamic Azad University, Yadegar Imam Khomeini (Shahr-e-Rey) Branch, Tehran, Iran, Hamidreza.damghani@gmail.com

Over : Saeed Ghazi Maghrebi

Assistant Professor of Engineering – Communications Engineering Department, Azad University, Yadegar Imam Khomeini (Shahr-e-Rey) Branch, Tehran, Iran

Over : Mohammadreza Moniri Hamedani

Assistant Professor of Engineering – Communications Engineering Department, Azad University, Yadegar Imam Khomeini (Shahr-e-Rey) Branch, Tehran, Iran