Chapter 4: Cryptography—The basics
Abstract
This chapter will provide an introduction to current cryptographic algorithms that are used for secure communications and to secure stored data within an IoT node. Before we begin, it is important to lay down a few rules about developing a cryptographic system.
Keywords
Cryptography; Ciphers; Hashes; Encryption; Security; mbedTLS; Symmetrical encryption; Block cipher; Message authentication code; Random number generator; Entropy; Deterministic random bitstream generator
Introduction
This chapter will provide an introduction to current cryptographic algorithms that are used for secure communications and to secure stored data within an IoT node. Before we begin, it is important to lay down a few rules about ...
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