Cryptography Basics (Volume 2) -- Basic Applications

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Features: Cryptography involves the concepts, definitions, and construction of computational systems designed to solve communication confidentiality problems. The design of a cryptographic system must be based on a solid foundation. This book, following the previous volume, provides a systematic and rigorous discussion of this foundational issue: defining the goals of cryptographic systems and solving new cryptographic problems using existing tools. The book elaborates in detail on three fundamental applications: encryption, signing, and general cryptographic protocols. The focus of the book is to clarify basic concepts and demonstrate the feasibility of solutions to cryptographic problems, rather than emphasizing the description of specific methods. This book can serve as a graduate textbook for fields such as cryptography, applied mathematics, and information security, as well as a reference for professionals in related fields.