Question: ( 1 ) Define cryptography and the three basic operations in cryptography. ( 2 ) Explain the fundamental difference between symmetric and asymmetric encryption. (

(1) Define cryptography and the three basic operations in cryptography. (2) Explain the fundamental difference between symmetric and asymmetric encryption. (3) Explain public-key infrastructure (PKI) and (3a) the value PKI adds to an organization seeking to use cryptography to protect information assets. (4) In todays world, describe the most commonly employed approach to PKI and explain what you believe the future of PKI to be.

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