Attacks on implementations of cryptographic algorithms

Savaş, Erkay

doi:10.1145/2523514.2523593

Cited by 1 publication

(1 citation statement)

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“…Cache based timing channel. Cache based attacks can be classified among three types: access-driven, trace-driven, and timing-channel attack [Savaş 2013]. In this paper we discuss about cache based timing channels only.…”

Section: Architecture Based In-system Timing Channel Techniquesmentioning

confidence: 99%

A Survey of Timing Channels and Countermeasures

2017

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A timing channel is a communication channel that can transfer information to a receiver/decoder by modulating the timing behavior of an agent. Examples of this agent include the inter-packet delays of a packet stream, reordering packets in a packet stream or resource access time of a cryptographic module. The advances in information theory and the availability of high performance computing systems interconnected by high speed networks, have spurred interest and development of various types of timing channels. With the emergence of complex timing channels, novel detection and prevention techniques are also being developed to counter them. In this paper we provide a detailed survey of timing channels broadly categorized into network timing channel in which communicating entities are connected by a network and in-system timing channel in which the communicating entities are within a computing system. This survey builds upon the last comprehensive survey by [Zander et al. 2007] and considers all the three canonical applications of timing channels namely, covert communication, timing side-channel, and network flow watermarking. We survey the theoretical foundations, the implementation, and the various detection and prevention techniques that have been reported in the literature. Based on the analysis of the current literature we articulate potential future research directions both in the design and applications of timing channels and their detection and prevention techniques.

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Section: Architecture Based In-system Timing Channel Techniquesmentioning

confidence: 99%