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GIAC GISP Exam - Topic 1 Question 18 Discussion

Actual exam question for GIAC's GISP exam
Question #: 18
Topic #: 1
[All GISP Questions]

Fill in the blanks with the appropriate values.

International Data Encryption Algorithm (IDEA) is a _____ -bit block cipher that uses a ________-bit key.

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Suggested Answer: A

by Lezlie at May 03, 2022, 09:24 AM

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Shonda
4 months ago
I agree, 128-bit is the way to go!
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Arlene
4 months ago
Wait, I thought it was 64-bit too?
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Johnna
4 months ago
Definitely 128-bit key length.
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Brandon
4 months ago
Nope, it's actually 128-bit!
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Katie
5 months ago
IDEA is a 64-bit block cipher.
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My
5 months ago
I'm a bit confused; I thought IDEA was a 128-bit block cipher. I need to double-check my notes on that.
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Brunilda
5 months ago
I feel like I've seen a similar question before, and I think IDEA is definitely a 64-bit block cipher with a 128-bit key.
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Deane
5 months ago
I remember studying that IDEA uses a 128-bit key, but I can't recall if it's 64 or 128 bits for the block size.
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Yvonne
5 months ago
I think IDEA is a 64-bit block cipher, but I'm not completely sure about the key size. Was it 128 bits?
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Ciara
5 months ago
Hmm, I'm a bit unsure here. I know the internal control process is important, but I can't quite remember the exact first step. I'll have to think this through carefully.
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Trinidad
5 months ago
Ah, I see what they're getting at now. The DRM tool must be using some kind of naming pattern to handle the duplicate "Paris" nodes. I'll need to carefully review the options to find the one that matches that pattern.
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