Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/0602971B-A750-4059-ADC5-7F0CA800DA11 | ||
| Year | 2016 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | G. Hatzivasilis, G. Floros, I. Papaefstathiou and C. Manifavas, "Lightweight authenticated encryption for embedded on-chip systems," Inf. Secur. J., vol. 25, no. 4-6, pp. 151-161, Dec. 2016. doi: 10.1080/19393555.2016.1209259 https://doi.org/10.1080/19393555.2016.1209259 | ||
| Appears in Collections |
Embedded systems are routinely deployed in critical infrastructures nowadays, therefore their security is increasingly important. This, combined with the pressing requirement of deploying massive numbers of low-cost and low-energy embedded devices, stimulates the evolution of lightweight cryptography and other green-computing security mechanisms. New crypto-primitives are being proposed that offer moderate security and produce compact implementations. In this article, we present a lightweight authenticated encryption scheme based on the integrated hardware implementation of the lightweight block cipher PRESENT and the lightweight hash function SPONGENT. The presented combination of a cipher and a hash function is appropriate for implementing authenticated encryption schemes that are commonly utilized in one-way and mutual authentication protocols. We exploit their inner structure to discover hardware elements usable by both primitives, thus reducing the circuit’s size. The integrated versions demonstrate a 27% reduction in hardware area compared to the simple combination of the two primitives. The resulting solution is ported on a field-programmable gate array (FPGA) and a complete security application with input/output from a universal asynchronous receiver/transmitter (UART) gate is created. In comparison with similar implementations in hardware and software, the proposed scheme represents a better overall status.
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