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A vendor-neutral unified core for cryptographic operations in GF(p) and GF(2m) based on montgomery arithmetic
Schramm, Martin; Dojen, Reiner; Heigl, Michael
In the emerging IoT ecosystemin which the internetworking will reach a totally new dimension the crucial role of efficient security solutions for embedded devices will be without controversy. Typically IoT-enabled devices are equipped with integrated circuits, such as ASICs or FPGAs to achieve highly specific tasks. Such devicesmust have cryptographic layers implemented andmust be able to access cryptographic functions for encrypting/decrypting and signing/verifying data using various algorithms and generate true random numbers, random primes, and cryptographic keys. In the context of a limited amount of resources that typical IoT devices will exhibit, due to energy efficiency requirements, efficient hardware structures in terms of time, area, and power consumption must be deployed. In this paper, we describe a scalable word-based multivendor-capable cryptographic core, being able to perform arithmetic operations in prime and binary extension finite fields based onMontgomery Arithmetic.The functional range comprises the calculation of modular additions and subtractions, the determination of the Montgomery Parameters, and the execution of Montgomery Multiplications and Montgomery Exponentiations. A prototype implementation of the adaptable arithmetic core is detailed. Furthermore, the decomposition of cryptographic algorithms to be used together with the proposed core is stated and a performance analysis is given.
Keyword(s): efficient security; embedded devices; integrated circuits; cryptographic layers; efficient hardware structures
Publication Date:
2018
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University of Limerick
Citation(s): Security and Communication Networks; Article ID 4983404
Publisher(s): Hindawi Publishing Corporation
First Indexed: 2018-07-26 06:26:53 Last Updated: 2018-08-12 06:25:55