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Exam 312-50v10 All Questions

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Exam 312-50v10 topic 1 question 298 discussion

Actual exam question from ECCouncil's 312-50v10
Question #: 298
Topic #: 1
[All 312-50v10 Questions]

What is the known plaintext attack used against DES which gives the result that encrypting plaintext with one DES key followed by encrypting it with a second
DES key is no more secure than using a single key?

  • A. Man-in-the-middle attack
  • B. Meet-in-the-middle attack
  • C. Replay attack
  • D. Traffic analysis attack
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Suggested Answer: B 🗳️
by gizicudu at Nov. 22, 2020, 5:39 p.m.

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kbooker
10 months ago
Answer should be B - https://en.wikipedia.org/wiki/Meet-in-the-middle_attack.
upvoted 1 times
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Mohiuddin
11 months ago
why not Meet-in-the-middle attack? anyone?
upvoted 1 times
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gizicudu
1 year ago
Answer is D to get the key. Cause if the key is known then it would not be more secure. Otherwise it's more secure https://crypto.stackexchange.com/questions/77030/2des-is-double-secure-of-des
upvoted 2 times
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