GIAC GSLC Exam - Topic 3 Question 43 Discussion

Actual exam question for GIAC's GSLC exam

Question #: 43
Topic #: 3

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?

AAdaptive chosen-ciphertext

BChosen-ciphertext

CChosen-plain-supermodel

DRelated-key

Show Suggested Answer

Suggested Answer: B

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

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Latosha

6 months ago

Wait, how can they know the relationship between keys? Sounds sketchy!

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Tarra

6 months ago

Related-key? That sounds a bit off to me.

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Oretha

6 months ago

No way, it's adaptive chosen-ciphertext for sure!

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Effie

7 months ago

I thought it was chosen-ciphertext.

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Leah

7 months ago

It's definitely related-key cryptanalysis!

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Maryanne

7 months ago

I’m leaning towards related-key since it mentions a mathematical relationship, but I could be mixing it up with something else.

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Glynda

7 months ago

I feel like adaptive chosen-ciphertext was mentioned in our lectures, but I can't recall the specifics.

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Letha

8 months ago

I remember practicing a question similar to this, and I think it was about chosen-ciphertext attacks.

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Gertude

8 months ago

I think this might be related-key attacks, but I'm not entirely sure. The wording is a bit tricky.

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Owen

8 months ago

Aha, I recognize this as a related-key attack! The question is specifically asking about an attack where the attacker can observe the cipher under different keys that have some known mathematical relationship. Option D looks like the right answer to me.

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Aja

8 months ago

Hmm, this is a tricky one. I'm a bit confused by the wording - "some mathematical relationship connecting the keys" - that's not a concept I'm totally familiar with. I'll have to think this through step-by-step.

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Dulce

8 months ago

This question seems to be testing our understanding of different cryptanalysis attacks. I think I'll start by carefully reading through the options and trying to identify the key characteristics of each one.

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Therese

8 months ago

Okay, let me break this down. The key things I'm looking for are: the attacker can observe the cipher under multiple keys, the keys have some known mathematical relationship, and it's a form of cryptanalysis. I think option D, related-key, fits that description best.

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Gwen

8 months ago

I'm confident I know the answer to this one. The question is clear about which portal the CloudIVS 3000 uses, so I'll select the appropriate option.

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Noemi

8 months ago

This seems like a pretty straightforward process improvement project. I'd start by getting a good understanding of the current state through the survey results, then focus on defining the policy and process to bring some consistency across the organization.

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Ailene

8 months ago

Hmm, I'm a bit confused here. I know we configured and approved one warehouse, but I'm not sure how to use that setup to create more. I'll need to review the warehouse management and configuration options carefully.

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Isidra

1 year 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

12 months ago

D) Related-key

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Marion

12 months ago

C) Chosen-plain-supermodel

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Truman

12 months ago

B) Chosen-ciphertext

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Hyman

12 months ago

A) Adaptive chosen-ciphertext

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Marge

1 year 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

1 year 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

12 months ago

C) Chosen-plain-supermodel

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Fannie

12 months ago

B) Chosen-ciphertext

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Shanice

1 year ago

A) Adaptive chosen-ciphertext

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Aleta

1 year 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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