Abstract
The Internet of Things (IoT) is going to change the way we live dramatically. Devices like alarm clocks, lights and speaker systems can interconnect and exchange information. Billions of devices are expected to be interconnected by the year 2020, thus raising the alarm of a very important issue ‘security’. People have to be sure that their information will stay private and secure, if someone hacked into your medical device (hand watch) he will be able to view all your medical records, and he could be able to use it against you. If one device is hacked your entire network is going to be compromised. Transmitting your information securely between IoT devices using traditional crypto algorithms are not possible because those devices have limited energy supply, limited chip area and limited memory size; because of those constraints a new type of crypto algorithm came into place: the light weight crypto algorithms. As the name implies those algorithms are light and can be used in those devices with low computational power. In this paper, we start by describing some of the heavy ciphers. We also highlight some lightweight ciphers and the attacks known against them.
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Notes
- 1.
A gate equivalent (GE) stands for a unit of measure which allows to specify manufacturing-technology-independent complexity of digital electronic circuits. For today's CMOS technologies, the silicon area of a two-input drive-strength-one NAND gate usually constitutes the technology-dependent unit area commonly referred to as gate equivalent. A specification in gate equivalents for a certain circuit reflects a complexity measure, from which a corresponding silicon area can be deduced for a dedicated manufacturing technology (https://en.wikipedia.org/wiki/Gate_equivalent).
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Al Shebli, H.M.Z., Beheshti, B.D. (2019). Light Weight Cryptography for Resource Constrained IoT Devices. In: Arai, K., Bhatia, R., Kapoor, S. (eds) Proceedings of the Future Technologies Conference (FTC) 2018. FTC 2018. Advances in Intelligent Systems and Computing, vol 880. Springer, Cham. https://doi.org/10.1007/978-3-030-02686-8_16
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DOI: https://doi.org/10.1007/978-3-030-02686-8_16
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