Cryptography has proven to be one of the most contentious areas in modern society. For some it protects the rights of individuals to privacy and security while for others it puts up barriers against the protection of our society. This book aims to develop a deep understanding of cryptography and provide a way of understanding how privacy identity provision and integrity can be enhanced with the usage of encryption. The book has many novel features including: full provision of Web-based material on almost every topic coveredprovision of additional on-line material such as videos source code and labscoverage of emerging areas such as Blockchain Light-weight Cryptography and Zero-knowledge Proofs (ZKPs)Key areas covered include: Fundamentals of EncryptionPublic Key EncryptionSymmetric Key EncryptionHashing MethodsKey Exchange MethodsDigital Certificates and AuthenticationTunnelingCrypto CrackingLight-weight CryptographyBlockchainZero-knowledge ProofsThis book provides extensive support through the associated website of: http: //asecuritysite.com/encryption