Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications

Benjamin Buhrow; Paul Riemer; Mike Shea; Barry Gilbert; Erik Daniel

doi:10.1007/978-3-319-16295-9_6

Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications

Benjamin Buhrow, Paul Riemer, Mike Shea, Barry Gilbert, Erik Daniel

Physiology & Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

13 Scopus citations

Abstract

Embedded microcontroller applications often experience multiple limiting constraints: memory, speed, and for a wide range of portable devices, power. Applications requiring encrypted data must simultaneously optimize the block cipher algorithm and implementation choice against these limitations. To this end we investigate block cipher implementations that are optimized for speed and energy efficiency, the primary metrics of devices such as the MSP430 where constrained memory resources nevertheless allow a range of implementation choices. The results set speed and energy efficiency records for the MSP430 device at 132 cycles/byte and 2.18 μJ/block for AES-128 and 103 cycles/byte and 1.44 μJ/block for equivalent block and key sizes using the lightweight block cipher SPECK.We provide a comprehensive analysis of size, speed, and energy consumption for 24 different variations of AES and 20 different variations of SPECK, to aid system designers of microcontroller platforms optimize the memory and energy usage of secure applications.

Original language	English (US)
Title of host publication	Progress in Cryptology - LATINCRYPT 2014
Subtitle of host publication	3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers
Editors	Diego F. Aranha, Alfred Menezes
Publisher	Springer Verlag
Pages	104-123
Number of pages	20
ISBN (Electronic)	9783319162942
DOIs	https://doi.org/10.1007/978-3-319-16295-9_6
State	Published - 2015
Event	3rd International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2014 - Florianópolis, Brazil Duration: Sep 17 2014 → Sep 19 2014

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	8895
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Other

Other	3rd International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2014
Country/Territory	Brazil
City	Florianópolis
Period	9/17/14 → 9/19/14

Keywords

AES
Efficient
Encryption
Energy
Lightweight
MSP430
Measurements
SPECK
Speed
Trade-offs

ASJC Scopus subject areas

Theoretical Computer Science
General Computer Science

Access to Document

10.1007/978-3-319-16295-9_6

Cite this

Buhrow, B., Riemer, P., Shea, M., Gilbert, B., & Daniel, E. (2015). Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications. In D. F. Aranha, & A. Menezes (Eds.), Progress in Cryptology - LATINCRYPT 2014: 3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers (pp. 104-123). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 8895). Springer Verlag. https://doi.org/10.1007/978-3-319-16295-9_6

Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications. / Buhrow, Benjamin; Riemer, Paul; Shea, Mike et al.
Progress in Cryptology - LATINCRYPT 2014: 3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers. ed. / Diego F. Aranha; Alfred Menezes. Springer Verlag, 2015. p. 104-123 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 8895).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Buhrow, B, Riemer, P, Shea, M, Gilbert, B & Daniel, E 2015, Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications. in DF Aranha & A Menezes (eds), Progress in Cryptology - LATINCRYPT 2014: 3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 8895, Springer Verlag, pp. 104-123, 3rd International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2014, Florianópolis, Brazil, 9/17/14. https://doi.org/10.1007/978-3-319-16295-9_6

Buhrow B, Riemer P, Shea M, Gilbert B, Daniel E. Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications. In Aranha DF, Menezes A, editors, Progress in Cryptology - LATINCRYPT 2014: 3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers. Springer Verlag. 2015. p. 104-123. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). doi: 10.1007/978-3-319-16295-9_6

Buhrow, Benjamin ; Riemer, Paul ; Shea, Mike et al. / Block cipher speed and energy efficiency records on the MSP430 : System design trade-offs for 16-Bit embedded applications. Progress in Cryptology - LATINCRYPT 2014: 3rd International Conference on Cryptology and Information Security in Latin America, Revised Selected Papers. editor / Diego F. Aranha ; Alfred Menezes. Springer Verlag, 2015. pp. 104-123 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

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AB - Embedded microcontroller applications often experience multiple limiting constraints: memory, speed, and for a wide range of portable devices, power. Applications requiring encrypted data must simultaneously optimize the block cipher algorithm and implementation choice against these limitations. To this end we investigate block cipher implementations that are optimized for speed and energy efficiency, the primary metrics of devices such as the MSP430 where constrained memory resources nevertheless allow a range of implementation choices. The results set speed and energy efficiency records for the MSP430 device at 132 cycles/byte and 2.18 μJ/block for AES-128 and 103 cycles/byte and 1.44 μJ/block for equivalent block and key sizes using the lightweight block cipher SPECK.We provide a comprehensive analysis of size, speed, and energy consumption for 24 different variations of AES and 20 different variations of SPECK, to aid system designers of microcontroller platforms optimize the memory and energy usage of secure applications.

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Block cipher speed and energy efficiency records on the MSP430: System design trade-offs for 16-Bit embedded applications

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Keywords

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