What is a digital certificate, Business Management

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QUESTION

At the heart of Public Key Infrastructure (PKI) is encryption. Encryption is the process of scrambling data in such a way that it is difficult, expensive, or time consuming for an unauthorised person to unscramble.

a) Encryption consists of four basic components, list and describe each one of them.

b) Differentiate between the symmetric and the asymmetric encryption system.

c) Describe how a digital signature is created.

d) What is a digital certificate?

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