Designing Module to Perform Fast Light Block Cipher (LBC) within Microcontrollers by VHDL
Keywords:Symmetric Encryption; Block cipher; Microarchitecture; Atmel AVR; VHDL
Nowadays, various wireless communication sensors, detectors and controllers (such as low-end IoT) are used all over the world. They are vulnerable to the threat of hackers and attackers. Such these attacks could lead to great danger to buildings, factories, or even lives. For this reason, multi-level data encryption is highly required. But it is difficult to run a complex encryption algorithm on these embedded systems because they have limited size, power, memory, and processor. Therefore, light block ciphers (LBC) are the best solution for this case.
In this paper we will design a module capable to performing fast dynamic symmetric LBC (FDSLBC) based on the concept of dynamic data shuffling and exchange.
Moreover, we will propose a modification for a microcontroller family by this new module. The FDSLBC module is designed by VHDL to be controlled by various proposed cipher Vector Instructions (VIs). Each one of the VI capable to carry out a complete block cipher protocol during only one clock pulse. Cryptographic systems’ designers can use collections of these VIs to create fast and robust security systems.
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