This guide uncovers the technology behind network security: its strengths, weaknesses, past, and future. It answers fundamental questions like:   As a tutorial, it explains sophisticated concepts in a friendly and intuitive manner. As a reference, it covers concepts and techniques rigorously and in depth. The authors cover a wide spectrum of topics essential for securing web-based transactions, including public and secret key cryptography, hashes/message digests, signatures, authentication, blockchains, electronic money, secret sharing, and multiparty computation. They also address exciting emerging issues such as quantum computing, post-quantum algorithms, homomorphic encryption, and secure multiparty computation. Wherever math beyond high school algebra is needed,   covers what students need to know, making it a self-contained solution suitable for undergraduate students, graduate students, and working engineers alike. To support learning and mastery, it also includes extensive homework problems, fully updated to reflect current concepts and technologies.

This edition of David Airey’s   contains more of just about everything that made the first edition so great: more case studies, more sketches, more logos, more tips for working with clients, more insider stories, and more practical information for getting the job and getting it done right. shows students how to develop an iconic brand identity from start to finish, using client case studies from renowned designers. In the process, he reveals how designers create effective briefs, generate ideas, charge for their work, and collaborate with clients. David not only shares his personal experiences working on identity projects—including sketches and final results of his own successful designs—he also uses the work of many well-known designers such as Paula Scher, who designed the logos for Citi and Microsoft Windows, and Lindon Leader, creator of the current FedEx identity, as well as work from leading design studios, including Moving Brands, Pentagram, MetaDesign, Sagmeister & Walsh, and many more.

Scrooge is a cold, hard man. He loves money, and he doesn’t like people. He really doesn’t like Christmas. But when some ghosts visit him, they show him his past life, his life now, and a possible future. Will Scrooge learn from the ghosts? Can he change?