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GIAC Exam GSLC Topic 3 Question 43 Discussion

Actual exam question for GIAC's GSLC exam
Question #: 43
Topic #: 3
[All GSLC Questions]

Which of the following attacks is any form of cryptanalysis where the attacker can observe the operation of a cipher under several different keys whose values are initially unknown, but where some mathematical relationship connecting the keys is known to the attacker?

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Suggested Answer: B

by Alecia at Apr 11, 2024, 10:49 AM

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Isidra
3 months ago
D) Related-key attack is the correct answer here. It's like a game of crypto-Tetris, where the attacker tries to fit all the different key shapes together until they find the winning combination.
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Shawnda
2 months ago
D) Related-key
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Marion
2 months ago
C) Chosen-plain-supermodel
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Truman
2 months ago
B) Chosen-ciphertext
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Hyman
2 months ago
A) Adaptive chosen-ciphertext
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Marge
3 months ago
Hmm, I'm going to have to go with D) Related-key attack on this one. It's like the crypto version of finding your long-lost cousin on social media, but with way more equations.
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Coleen
3 months ago
D) Related-key attack, of course! I mean, how else are we supposed to crack the code if the keys are all related - like a family reunion, but with more math.
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Merlyn
2 months ago
C) Chosen-plain-supermodel
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Fannie
2 months ago
B) Chosen-ciphertext
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Shanice
3 months ago
A) Adaptive chosen-ciphertext
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Aleta
4 months ago
Related-key attack? Isn't that like when the attacker has a VIP pass to the crypto party, and they can try on all the different key outfits until they find the perfect match?
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Edison
2 months ago
It's a sneaky way to break the cipher without knowing the exact keys from the start.
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Craig
2 months ago
So they can try out different keys that are related until they find the right one.
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Tiara
2 months ago
Yeah, it's like the attacker has inside knowledge of the relationship between the keys.
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Marget
2 months ago
D) Related-key
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Helaine
2 months ago
C) Chosen-plain-supermodel
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Hubert
3 months ago
B) Chosen-ciphertext
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France
3 months ago
A) Adaptive chosen-ciphertext
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Hermila
4 months ago
I'm not sure, but I think it could also be A) Adaptive chosen-ciphertext because the attacker can observe the cipher under different keys.
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Serina
4 months ago
I agree with Merri, Related-key makes sense because the attacker knows some mathematical relationship between the keys.
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Merri
4 months ago
I think the answer is D) Related-key.
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