This chapter represents a large and complex technical domain. The chapter presents key cryptographic concepts of authentication and nonrepudiation in addition to confidentiality and integrity, which are concepts presented in many of the domains. Beyond the foundational operations, such as substitution and permutation, and types of cryptosystems, symmetric, asymmetric, and hashing, this chapter also introduces key modes of operation for symmetric cryptosystems, Electronic Code Book, Cipher Block Chaining, Cipher Feedback, Output Feedback, and Counter Mode. The goal of the domain’s final section is to ensure that the safety of personnel is a key consideration when considering physical and environmental ...
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