CHAPTER 14: ENCRYPTION
Encryption is a widely available and powerful tool for protecting information from unauthorised access, particularly when it is at rest or in transit. Encryption is a form of cryptography that uses complex mathematical algorithms to transform data into a coded form that can only be deciphered using a secret key or password. This process ensures that only authorised individuals and applications that possess the decryption key can view and access the data, safeguarding its confidentiality and integrity.
Deciding whether and when to use encryption
Generally speaking, there are two main scenarios in which encryption should be considered: for information storage (at rest) and information transfers (in transit). In both cases, ...
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