CONTENTS: 1.Introduction 1.1.Cryptographic Hashing 1.2.The SHA3 Competition 1.3.BLAKE, in a Nutshell 1.4.Conventions 2.Preliminaries 2.1.Applications 2.1.1.Modification Detection 2.1.2.Message Authentication 2.1.3.Digital Signatures 2.1.4.Pseudorandom Functions 2.1.5.Entropy Extraction and Key Derivation 2.1.6.Password Hashing 2.1.7.Data Identification 2.1.8.Key U…