Designing a Block Cipher in Galois Extension Fields for IoT Security

dc.contributor.authorGeorge, Kiernanen
dc.contributor.authorMichaels, Alan J.en
dc.date.accessioned2021-11-11T19:20:55Zen
dc.date.available2021-11-11T19:20:55Zen
dc.date.issued2021-11-05en
dc.date.updated2021-11-11T14:57:44Zen
dc.description.abstractThis paper focuses on a block cipher adaptation of the Galois Extension Fields (GEF) combination technique for PRNGs and targets application in the Internet of Things (IoT) space, an area where the combination technique was concluded as a quality stream cipher. Electronic Codebook (ECB) and Cipher Feedback (CFB) variations of the cryptographic algorithm are discussed. Both modes offer computationally efficient, scalable cryptographic algorithms for use over a simple combination technique like XOR. The cryptographic algorithm relies on the use of quality PRNGs, but adds an additional layer of security while preserving maximal entropy and near-uniform distributions. The use of matrices with entries drawn from a Galois field extends this technique to block size chunks of plaintext, increasing diffusion, while only requiring linear operations that are quick to perform. The process of calculating the inverse differs only in using the modular inverse of the determinant, but this can be expedited by a look-up table. We validate this GEF block cipher with the NIST test suite. Additional statistical tests indicate the condensed plaintext results in a near-uniform distributed ciphertext across the entire field. The block cipher implemented on an MSP430 offers a faster, more power-efficient alternative to the Advanced Encryption Standard (AES) system. This cryptosystem is a secure, scalable option for IoT devices that must be mindful of time and power consumption.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGeorge, K.; Michaels, A.J. Designing a Block Cipher in Galois Extension Fields for IoT Security. IoT 2021, 2, 669-687.en
dc.identifier.doihttps://doi.org/10.3390/iot2040034en
dc.identifier.urihttp://hdl.handle.net/10919/106605en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleDesigning a Block Cipher in Galois Extension Fields for IoT Securityen
dc.title.serialIoTen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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