Eccouncil 212-81 Exam - Topic 11 Question 46 Discussion

Actual exam question for Eccouncil's 212-81 exam

Question #: 46
Topic #: 11

A 160-bit hash algorithm developed by Hans Dobbertin, Antoon Bosselaers, and Bart Preneel for which there are 128, 256 and 320-bit versions is called what?

ASHA1

BMD5

CFORK

DRIPEMD

Show Suggested Answer

Suggested Answer: D

RIPEMD

https://en.wikipedia.org/wiki/RIPEMD

RIPEMD (RIPE Message Digest) is a family of cryptographic hash functions developed in 1992 (the original RIPEMD) and 1996 (other variants). There are five functions in the family: RIPEMD, RIPEMD-128, RIPEMD-160, RIPEMD-256, and RIPEMD-320, of which RIPEMD-160 is the most common.

The original RIPEMD, as well as RIPEMD-128, is not considered secure because 128-bit result is too small and also (for the original RIPEMD) because of design weaknesses. The 256- and 320-bit versions of RIPEMD provide the same level of security as RIPEMD-128 and RIPEMD-160, respectively; they are designed for applications where the security level is sufficient but longer hash result is necessary.

by Louann at Sep 19, 2024, 04:32 AM

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Rory

6 months ago

Pretty sure it's RIPEMD, but I could be wrong.

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Chanel

6 months ago

MD5 is outdated, so it can't be that.

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Marica

6 months ago

Wait, there are 128, 256, and 320-bit versions? That's wild!

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Laurene

7 months ago

I thought it was SHA1, but I guess not.

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Hui

7 months ago

That's definitely RIPEMD!

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Franchesca

7 months ago

I remember that RIPEMD has different bit versions, but I’m not clear on the specifics. It’s confusing with all these hash algorithms!

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Vinnie

7 months ago

I’m pretty confident that SHA1 is a 160-bit hash, but I can't recall the details about the other versions.

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Yaeko

7 months ago

I feel like I’ve seen a question about this before, and I think it was about MD5. But that doesn't seem to fit the 160-bit part.

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Dierdre

8 months ago

I think the answer might be RIPEMD, but I'm not entirely sure. I remember studying it in relation to hash functions.

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Avery

8 months ago

This seems like a straightforward question about cryptographic hash algorithms. I'll quickly review the key characteristics of SHA1, MD5, FORK, and RIPEMD to determine the correct answer.

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Lorenza

8 months ago

I'm a bit confused by all the technical details in this question. I'll have to review my notes on cryptographic hash functions to try to figure this out.

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Penney

8 months ago

Hmm, I'm a little unsure about this one. The question mentions some specific details, but I'm not totally familiar with the different hash algorithms. I'll have to think it through carefully.

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Gwenn

8 months ago

This one seems pretty straightforward. The details about the hash algorithm's bit sizes and developers give me a good idea of what to look for.

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Lilli

8 months ago

Okay, I've got this. The question is asking about a 160-bit hash algorithm, and the options mention SHA1, MD5, FORK, and RIPEMD. Based on the information provided, RIPEMD is the correct answer.

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Madelyn

2 years ago

Dobbertin, Bosselaers, and Preneel... now that rings a bell. Definitely RIPEMD. Haha, FORK, really?

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Nakita

1 year ago

RIPEMD it is then!

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Michael

2 years ago

Definitely not FORK, that's for sure.

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Jamie

2 years ago

Yeah, Dobbertin, Bosselaers, and Preneel developed it.

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Tambra

2 years ago

I think it's RIPEMD.

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Tamera

2 years ago

FORK? What kind of hash algorithm is that? Sounds like it could be a typo or a joke option. I'm going with D.

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Latia

2 years ago

I'm pretty sure it's not MD5, that's a different hash function. Let me think... D) RIPEMD, that's it!

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Pete

2 years ago

RIPEMD? Really? I thought it was SHA1. Maybe I need to review my hash algorithms again.

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Madalyn

2 years ago

Hmm, I remember learning about this in my cryptography class. I think the answer is D) RIPEMD.

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Weldon

2 years ago

Ooh, RIPEMD? Is that like a new cryptocurrency or something?

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Madelyn

2 years ago

Bettina: Got it, thanks for clarifying!

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Bettina

2 years ago

Crista: Exactly, it's designed to produce a fixed-size hash value.

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Crista

2 years ago

User 2: Oh, I see. So it's used for data integrity and security?

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Tamera

2 years ago

No, RIPEMD is actually a hash algorithm, not a cryptocurrency.

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Stefania

2 years ago

Wait, isn't RIPEMD something you do when you've had too many ripe plums?

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Hailey

2 years ago

Well, if it's a 160-bit hash algorithm, it's gotta be MD5, right? I mean, that's the classic!

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Nichelle

2 years ago

I remember learning about this in class, it's definitely RIPEMD.

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Micah

2 years ago

No, I'm pretty sure it's SHA1.

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Verdell

2 years ago

I think you're mistaken, it's actually RIPEMD.

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Rosalind

2 years ago

RIPEMD? Really? That's so old school. I bet it's something fancy like FORK.

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Valene

2 years ago

I'm going with FORK for sure.

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Jacqueline

2 years ago

Yeah, RIPEMD does sound old school.

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Maia

2 years ago

I think FORK sounds fancy too.

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Rory

2 years ago

Hmm, RIPEMD sounds familiar, but I'm going to go with SHA1 just to be safe.

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Pete

2 years ago

I'm going to go with SHA1 as well.

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Sheridan

2 years ago

I'm not sure, but I'll choose RIPEMD.

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Norah

2 years ago

I'm going with SHA1 for this one.

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Shonda

2 years ago

I think RIPEMD is a good choice.

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Nikita

2 years ago

I'm not sure, but I think it might be C) FORK. Can someone explain why RIPEMD is the correct answer?

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Carmelina

2 years ago

I agree with Lavonda, RIPEMD makes sense for a 160-bit hash algorithm.

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Joni

2 years ago

RIPEMD, of course! I mean, who doesn't know that?

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Hollis

2 years ago

RIPEMD-320 is the most secure version.

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Shantell

2 years ago

I think MD5 is more commonly used than RIPEMD.

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Cordelia

2 years ago

RIPEMD is a solid choice for hashing.

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Kandis

2 years ago

I prefer SHA1 over RIPEMD.

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Lavonda

2 years ago

I think the answer is D) RIPEMD.

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