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Eccouncil Exam 112-51 Topic 1 Question 14 Discussion

Actual exam question for Eccouncil's 112-51 exam
Question #: 14
Topic #: 1
[All 112-51 Questions]

Peter, a security professional, was hired by an organization and was instructed to secure the application and its content from unauthorized access. In this process, Peter implemented a public-key cryptosystem that uses modular arithmetic and elementary number theory for Internet encryption and user authentication.

Which of the following algorithms was employed by Peter in the above scenario?

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Suggested Answer: A

RSA is a public-key cryptosystem that uses modular arithmetic and elementary number theory for Internet encryption and user authentication. RSA stands for Rivest-Shamir-Adleman, the names of the inventors of the algorithm. RSA allows users to generate a pair of keys, one public and one private, that are mathematically related. The public key can be used to encrypt messages or verify digital signatures, while the private key can be used to decrypt messages or create digital signatures. RSA is based on the difficulty of factoring large numbers, which makes it secure and widely used12. Reference: What is Public-Key Cryptosystem in Information Security?, Network Defense Essentials (NDE) | Coursera


by Olga at Jul 08, 2024, 05:19 PM

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Dallas
28 days ago
RSA is based on modular arithmetic and number theory, so it makes sense for this scenario.
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Twana
1 months ago
Ah, the age-old battle of crypto algorithms. I bet Peter wished he could just use a good old-fashioned padlock and key, but this is the 21st century. RSA it is!
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Chandra
1 months ago
RSA, no question. Unless Peter's secretly a math genius and decided to roll his own algorithm, which would be... interesting. But I'll stick with the tried and true RSA.
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Glenn
8 days ago
A) RSA
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Malcom
12 days ago
C) DSA
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Sharmaine
20 days ago
Definitely RSA. It's the go-to for public-key cryptosystems.
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Jerrod
27 days ago
A) RSA
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Leana
1 months ago
RSA, hands down. I mean, who else would use such complex math for securing applications? Peter's a pro, and RSA is the way to go.
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Caitlin
14 days ago
I think DSA could also be a good choice for encryption, but RSA is definitely a strong option.
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Brianne
15 days ago
C) DSA
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Aleshia
18 days ago
Absolutely, RSA is the go-to algorithm for secure encryption.
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Vivan
20 days ago
A) RSA
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Stephaine
1 months ago
I'm going with option A, RSA. It's the only one that fits the description of using modular arithmetic and number theory for encryption and authentication.
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Quiana
1 months ago
I believe RSA is a secure choice for user authentication as well.
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Jody
2 months ago
Definitely RSA! Peter's public-key cryptosystem using modular arithmetic and number theory is a dead giveaway. That's the classic RSA algorithm, no doubt about it.
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Wai
13 days ago
RSA is definitely the go-to algorithm for secure communication.
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Lachelle
25 days ago
Peter made a good choice by implementing RSA for Internet encryption.
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Hubert
29 days ago
RSA is known for its security and efficiency in encryption.
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Jaime
1 months ago
I agree, RSA is the most commonly used public-key cryptosystem.
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Matthew
2 months ago
I agree with Leatha, RSA is commonly used for Internet encryption.
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Leatha
2 months ago
I think Peter used RSA algorithm for encryption.
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