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Table Of Contents
CISSP in 21 Days - Second Edition
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This chapter has covered foundational concepts in Cryptography. In a nutshell, cryptography is an art and science to conceal information. Encryption methods are used to ensure the confidentiality of information as well as authenticity verification. Additionally, hashing methods are used to ensure the integrity of the information. Public key cryptography and public key infrastructure provide methods to assure confidentiality, integrity, source authentication, and non-repudiation during digital communications. Cryptanalysis consists of methods used to validate the strength and security of cryptographic algorithms and keys.
In the next two chapters, we will cover Communication and Network security, which forms the basis for the selection and implementation of technical and administrative controls for networked communication systems.
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