GIAC GSLC Exam - 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?

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

Limited Time Offer

25%

Off

Get Premium GSLC Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Latosha

3 months ago

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

upvoted 0 times

...

Tarra

3 months ago

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

upvoted 0 times

...

Oretha

3 months ago

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

upvoted 0 times

...

Effie

4 months ago

I thought it was chosen-ciphertext.

upvoted 0 times

...

Leah

4 months ago

It's definitely related-key cryptanalysis!

upvoted 0 times

...

Maryanne

4 months ago

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

upvoted 0 times

...

Glynda

4 months ago

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

upvoted 0 times

...

Letha

4 months ago

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

upvoted 0 times

...

Gertude

5 months ago

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

upvoted 0 times

...

Owen

5 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.

upvoted 0 times

...

Aja

5 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.

upvoted 0 times

...

Dulce

5 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.

upvoted 0 times

...

Therese

5 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.

upvoted 0 times

...

Gwen

5 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.

upvoted 0 times

...

Noemi

5 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.

upvoted 0 times

...

Ailene

5 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.

upvoted 0 times

...

Isidra

10 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.

upvoted 0 times

Shawnda

9 months ago

D) Related-key

upvoted 0 times

...

Marion

9 months ago

C) Chosen-plain-supermodel

upvoted 0 times

...

Truman

9 months ago

B) Chosen-ciphertext

upvoted 0 times

...

Hyman

9 months ago

A) Adaptive chosen-ciphertext

upvoted 0 times

...

Marge

10 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.

upvoted 0 times

...

Coleen

10 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.

upvoted 0 times

Merlyn

8 months ago

C) Chosen-plain-supermodel

upvoted 0 times

...

Fannie

9 months ago

B) Chosen-ciphertext

upvoted 0 times

...

Shanice

9 months ago

A) Adaptive chosen-ciphertext

upvoted 0 times

...

Aleta

10 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?

upvoted 0 times