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Computer Networks
Symmetric Key Cryptography
Q
Which of the following is an advantage of symmetric cipher?
AA. (n(n-1))/2 keys are required for n people
BB. Sharing secret key over communication channel
CC. Brute force attack for small key size
DD. Quick encryption and decryption
Correct Answer:
D. D. Quick encryption and decryption
Explanation:
Quick encryption and decryption is done in symmetric key cryptography. Because, it uses less resources and cipher text length will be small or same as plain text. It encrypts huge amount of data quickly and provides confidentiality.
