This article will focus on applying AES encryption and hash authorization functions to the MQTT protocol using the popular ESP8266 chip running NodeMCU firmware.

AES has proven to be more secure andefficient than its encryption predecessors. Among AES algorithms,Rijndael has proven to be an extremely fast, state-of-the art, easyto implement, and highly secure ...

Why should you care? AES encryption is the vault that secures onlineinformation and financial transactions by financial institutions,banks and e-commerce sites.

[Part 1 of this article begins with a review of various application security level categories and a look at hash algorithms as a basic level of security. Part 2 covers the basics for optimizing ...

Keeping the private key private only matters if integer factorization (or discrete logarithms, for the other major family of asymmetric encryption algorithms) remains a hard problem.

Effects on design The need to adjust compute for more intensive algorithms already has begun to have real-world effects on design. While cryptography is a complex issue for SoCs, Harrison said it ...

Prior to AES, the Data Encryption Standard (DES) became the federal standard for block symmetric encryption (FIPS 46) in 1977. DES was based on an algorithm developed by IBM and modified by the ...