Cache Timing Analysis of HC-256

Erik Zenner

Cache Timing Analysis of HC-256

Erik Zenner

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

In this paper, we describe an abstract model of cache timing attacks that can be used for designing ciphers. We then analyse HC-256 under this model, demonstrating a cache timing attack under certain strong assumptions. From the observations made in our analysis, we derive a number of design principles for hardening ciphers against cache timing attacks.

Original language	English
Title of host publication	Workshop Record SASC
Editors	Christophe de Cannière
Publication date	2008
Publication status	Published - 2008
Event	SASC 2008: State of the Art of Stream Ciphers - Lausanne, Switzerland Duration: 13 Feb 2008 → 14 Feb 2008 Conference number: 4 http://www.ecrypt.eu.org/stvl/sasc2008/

Workshop

Workshop	SASC 2008: State of the Art of Stream Ciphers
Number	4
Country/Territory	Switzerland
City	Lausanne
Period	13/02/2008 → 14/02/2008
Internet address	http://www.ecrypt.eu.org/stvl/sasc2008/

Keywords

Stream Cipher
Cache Timing Attack

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title = "Cache Timing Analysis of HC-256",

abstract = "In this paper, we describe an abstract model of cache timing attacks that can be used for designing ciphers. We then analyse HC-256 under this model, demonstrating a cache timing attack under certain strong assumptions. From the observations made in our analysis, we derive a number of design principles for hardening ciphers against cache timing attacks.",

keywords = "Stream Cipher, Cache Timing Attack",

author = "Erik Zenner",

year = "2008",

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booktitle = "Workshop Record SASC",

note = "SASC 2008: State of the Art of Stream Ciphers, SASC 2008 ; Conference date: 13-02-2008 Through 14-02-2008",

url = "http://www.ecrypt.eu.org/stvl/sasc2008/",

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AU - Zenner, Erik

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N2 - In this paper, we describe an abstract model of cache timing attacks that can be used for designing ciphers. We then analyse HC-256 under this model, demonstrating a cache timing attack under certain strong assumptions. From the observations made in our analysis, we derive a number of design principles for hardening ciphers against cache timing attacks.

AB - In this paper, we describe an abstract model of cache timing attacks that can be used for designing ciphers. We then analyse HC-256 under this model, demonstrating a cache timing attack under certain strong assumptions. From the observations made in our analysis, we derive a number of design principles for hardening ciphers against cache timing attacks.

KW - Stream Cipher

KW - Cache Timing Attack

M3 - Article in proceedings

BT - Workshop Record SASC

A2 - de Cannière, Christophe

T2 - SASC 2008: State of the Art of Stream Ciphers

Y2 - 13 February 2008 through 14 February 2008

ER -

Cache Timing Analysis of HC-256

Abstract

Workshop

Keywords

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