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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Security In Computer Networks
Exercise:
Review
Question:3 | ISBN:9780132856201 | Edition: 6

Question

From a service perspective, what is an important difference between a symmetric-key system and a public-key system?

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Answer

An important difference between a symmetric-key system and a public-key system from a service perspective:

      Symmetric-key system               Public-key system
A single secret key is used for the encryption and decryption of data . Pair of keysare used for the encryption to one key and decryption for the second key.

 

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