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Title: Feasibility and practicability of standardized cryptography on 4-bit micro controllers
Authors: Jacob, Nisha
Saetang, Sirote
Chen, Chien-Ning
Kutzner, Sebastian
Ling, San
Poschmann, Axel
Keywords: DRNTU::Science::Mathematics::Discrete mathematics::Cryptography
Issue Date: 2013
Source: Jacob, N., Saetang, S., Chen, C, N., Kutzner, S., Ling, S., & Poschmann, A. (2013). Feasibility and Practicability of Standardized Cryptography on 4-bit Micro Controllers. 19th International Conference, Selected Areas in Cryptography (SAC) 2012, 7707, pp.184-201.
Abstract: Myriads of ultra-constrained 4-bit micro controllers (MCUs) are deployed in (mostly) legacy devices, some in security sensitive applications, such as remote access and control systems or all sort of sensors. Yet the feasibility and practicability of standardized cryptography on 4-bit MCUs has been mostly neglected. In this work we close this gap and provide, to the best of our knowledge, the first implementations of ECC and SHA-1, and the fastest implementation of AES on a 4-bit MCU. Though it is not the main focus of this paper, we have investigated the SCA resistance trade-offs for ECC by implementing a variety of countermeasures. We hope that our comprehensive, highly energy-efficient crypto library—that even outperforms all previously published implementations on low-power 8-bit MCUs—will give rise to a variety of security functionalities, previously thought to be too demanding for these ultra-constrained devices.
DOI: 10.1007/978-3-642-35999-6_13
Rights: © 2013 Springer-Verlag Berlin Heidelberg. This is the author created version of a work that has been peer reviewed and accepted for publication by 19th International Conference, Selected Areas in Cryptography (SAC) 2012, Springer-Verlag Berlin Heidelberg. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Conference Papers

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