5.1. Explain general cryptography concepts.
There is a wide breadth of topics related to cryptography. Some of these are foundational issues, some are security services, and others are solutions or implementations. This section discusses many important general cryptography concepts that are addressed on the Security+ exam.
5.1.1. Key management
Key management is the term used to describe the various mechanisms, techniques, and processes used to protect, use, distribute, store, and control cryptographic keys. A key management solution should follow these basic rules:
The key should be long enough to provide the necessary level of protection.
Keys should be stored and transmitted securely.
Keys should be truly random, should use the full spectrum ...
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