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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?
Suggested Answer: D
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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.
50 comments · newest first
RO
Rory
11 months ago
Pretty sure it's RIPEMD, but I could be wrong.
CH
Chanel
11 months ago
MD5 is outdated, so it can't be that.
MA
Marica
11 months ago
Wait, there are 128, 256, and 320-bit versions? That's wild!
LA
Laurene
12 months ago
I thought it was SHA1, but I guess not.
HU
Hui
12 months ago
That's definitely RIPEMD!
FR
Franchesca
1 year 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!
VI
Vinnie
1 year ago
I’m pretty confident that SHA1 is a 160-bit hash, but I can't recall the details about the other versions.
YA
Yaeko
1 year 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.
DI
Dierdre
1 year ago
I think the answer might be RIPEMD, but I'm not entirely sure. I remember studying it in relation to hash functions.
AV
Avery
1 year 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.
LO
Lorenza
1 year 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.
PE
Penney
1 year 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.
GW
Gwenn
1 year 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.
LI
Lilli
1 year 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.
MA
Madelyn
2 years ago
Dobbertin, Bosselaers, and Preneel... now that rings a bell. Definitely RIPEMD. Haha, FORK, really?
NA
Nakita
2 years ago
RIPEMD it is then!
MI
Michael
2 years ago
Definitely not FORK, that's for sure.
JA
Jamie
2 years ago
Yeah, Dobbertin, Bosselaers, and Preneel developed it.
TA
Tambra
2 years ago
I think it's RIPEMD.
TA
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.
LA
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!
PE
Pete
2 years ago
RIPEMD? Really? I thought it was SHA1. Maybe I need to review my hash algorithms again.
MA
Madalyn
2 years ago
Hmm, I remember learning about this in my cryptography class. I think the answer is D) RIPEMD.
WE
Weldon
2 years ago
Ooh, RIPEMD? Is that like a new cryptocurrency or something?
MA
Madelyn
2 years ago
Bettina: Got it, thanks for clarifying!
BE
Bettina
2 years ago
Crista: Exactly, it's designed to produce a fixed-size hash value.
CR
Crista
2 years ago
User 2: Oh, I see. So it's used for data integrity and security?
TA
Tamera
2 years ago
No, RIPEMD is actually a hash algorithm, not a cryptocurrency.
ST
Stefania
2 years ago
Wait, isn't RIPEMD something you do when you've had too many ripe plums?
HA
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!
NI
Nichelle
2 years ago
I remember learning about this in class, it's definitely RIPEMD.
MI
Micah
2 years ago
No, I'm pretty sure it's SHA1.
VE
Verdell
2 years ago
I think you're mistaken, it's actually RIPEMD.
RO
Rosalind
2 years ago
RIPEMD? Really? That's so old school. I bet it's something fancy like FORK.
VA
Valene
2 years ago
I'm going with FORK for sure.
JA
Jacqueline
2 years ago
Yeah, RIPEMD does sound old school.
MA
Maia
2 years ago
I think FORK sounds fancy too.
RO
Rory
2 years ago
Hmm, RIPEMD sounds familiar, but I'm going to go with SHA1 just to be safe.
PE
Pete
2 years ago
I'm going to go with SHA1 as well.
SH
Sheridan
2 years ago
I'm not sure, but I'll choose RIPEMD.
NO
Norah
2 years ago
I'm going with SHA1 for this one.
SH
Shonda
2 years ago
I think RIPEMD is a good choice.
NI
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?
CA
Carmelina
2 years ago
I agree with Lavonda, RIPEMD makes sense for a 160-bit hash algorithm.
JO
Joni
2 years ago
RIPEMD, of course! I mean, who doesn't know that?
HO
Hollis
2 years ago
RIPEMD-320 is the most secure version.
SH
Shantell
2 years ago
I think MD5 is more commonly used than RIPEMD.
CO
Cordelia
2 years ago
RIPEMD is a solid choice for hashing.
KA
Kandis
2 years ago
I prefer SHA1 over RIPEMD.
LA
Lavonda
2 years ago
I think the answer is D) RIPEMD.