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Victor wants to send an encrypted message to his friend. He is using certain steganography technique to accomplish this task. He takes a cover object and changes it accordingly to hide information. This secret information is recovered only when the algorithm compares the changed cover with the original cover. Which of the following Steganography methods is Victor using to accomplish the task?
Suggested Answer: B
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30 comments · newest first
TW
Twila
10 months ago
I agree with Viva, distortion makes the most sense here.
BA
Basilia
11 months ago
Wait, is this really how steganography works? Seems odd.
AV
Avery
11 months ago
Definitely the cover generation technique!
PA
Paul
11 months ago
I think it's the substitution technique, not distortion.
VI
Viva
11 months ago
Sounds like the distortion technique to me!
ME
Melodie
11 months ago
I’m leaning towards the spread spectrum technique, but I can't recall exactly how it differs from the others in terms of altering the cover.
VI
Vicky
12 months ago
This sounds similar to a practice question I did on steganography, and I think the cover generation technique was about creating new covers, not modifying existing ones.
FR
Francene
12 months ago
I'm not entirely sure, but I remember something about the substitution technique being related to replacing parts of the cover.
AU
Audrie
12 months ago
I think this might be the distortion technique since it involves changing the cover object to hide information.
ME
Melvin
12 months ago
I'm pretty confident the answer is B, the substitution technique. The question describes Victor changing the cover object to hide information, which is exactly what the substitution technique does - it replaces parts of the cover with the hidden data.
GW
Gwen
12 months ago
Okay, let me think this through. The question says Victor is changing the cover object to hide information, and that the secret info is recovered by comparing the changed cover to the original. That makes me think the distortion technique might be the right answer, since that involves modifying the cover in a way that hides the message.
KI
Kimbery
1 year ago
Hmm, I'm a bit unsure about this one. The question mentions Victor is using a "certain steganography technique," but doesn't specify which one. I'll need to carefully consider each of the options to determine the best fit based on the information given.
MA
Magda
1 year ago
This seems like a straightforward steganography question. I think the key is to focus on the details provided - Victor is using a cover object and changing it to hide information, which is then recovered by comparing the changed cover to the original. Based on that, I'm leaning towards the substitution technique.
DO
Dong
1 year ago
I heard Victor's using the 'secret handshake' technique. You know, where he's just tapping out the message in Morse code on the cover object. Gotta keep it old school, am I right?
JE
Jessenia
1 year ago
C) The cover generation technique
SH
Sheridan
1 year ago
B) The substitution technique
LA
Lashawnda
1 year ago
A) The distortion technique
VI
Virgie
1 year ago
The distortion technique? That's a new one to me. I bet Victor is trying to confuse the heck out of his friend with that one!
PA
Paola
1 year ago
Hmm, the cover generation technique seems interesting. I wonder if Victor is creating a completely new cover object to hide the message.
PA
Paris
1 year ago
The spread spectrum technique sounds like it could be the answer. It's all about dispersing the secret data across the cover object, making it harder to detect.
JO
Jolanda
1 year ago
D) The spread spectrum technique
ER
Erasmo
1 year ago
C) The cover generation technique
CR
Cristy
1 year ago
B) The substitution technique
CH
Chu
1 year ago
A) The distortion technique
VE
Verlene
1 year ago
I think Victor is using the substitution technique. It's a classic steganography method where he changes the cover object to hide the secret information.
AL
Allene
1 year ago
User2: That makes sense, he must be changing the cover object to hide the information.
LY
Lyla
1 year ago
User1: I think Victor is using the substitution technique.
LE
Lenna
1 year ago
I think Victor is actually using the spread spectrum technique because it involves hiding information in a cover object.
KA
Karol
2 years ago
I disagree, I believe he is using the cover generation technique.
KE
Kenneth
2 years ago
I think Victor is using the substitution technique.