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CompTIA® Security+™: Study Guide, Fifth Edition by Emmett Dulaney

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Using Cryptographic Systems

A cryptographic system is a system, method, or process that is used to provide encryption and decryption. It may be a hardware, software, or manually performed process. Cryptographic systems exist for the same reasons that security exists: to provide confidentiality, integrity, authentication, non-repudiation, and access control. The following sections discuss these issues within the framework of cryptographic systems.

note.eps

Confidentiality and Integrity are often lumped with Availability to create the CIA model—a popular buzzword du jour.

Confidentiality

One of the major reasons to implement a cryptographic system is to ...

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