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For k number of users, how many keys are needed using private key cryptography and public key cryptography schemes respectively?
  • a)
    2k, 2k
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
For k number of users, how many keys are needed using private key cry...
In symmetric ⇒ Asymmetric ⇒ 2k
Explanation for asymmetric:
Every user has a (public key, private key) pair.
1 user ⇒ 2 keys
k user ⇒ 2k keys
Hence option (C) is the right answer.
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For k number of users, how many keys are needed using private key cryptography and public key cryptography schemes respectively?a)2k, 2kb)c)d)Correct answer is option 'C'. Can you explain this answer?
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