Public key infrastructure, Business Management

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QUESTION

a) Explain the encryption/decryption process and state the two things on which the security of encrypted data is entirely dependent.

b) Explain briefly what SSL (Secure Socket Layer) is and how it can be applied to e-banking services to ensure security?

c) Outline the difference between private key cryptography and public key cryptography using suitable illustrations where necessary.

d) Describe using suitable illustrations where necessary how asymmetric public key encryption ensures both confidentiality and authenticity.

e) Describe the role of the following players in a Public Key Infrastructure (PKI)

(i) Certification authority

(ii) Certificate holder

(iii) Relying party


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