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Problem
(a) Differentiate between private key and public key encryption.
(b) What issue with private key encryption is resolved with public key encryption?
(c) Describe how PGP encryption works using block diagram and brief notes.
(d) How can PGP be used for document authentication? You may refer to the diagram used in part (c).
Elements of Cryptosystems Cryptosystems is characteristically made up of algorithms, data handling techniques, and procedures which are combined in multiple ways to ensure confi
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