I need someone to give me short Answers for each question with short perfect explanations: 1. Explain the computer security objectives? or what are the three objectives of Computer Security? 2. What is the difference between passive and active security threats? Give an example of each one? 3. what is security mechanism?

Q: How is a hash value safeguarded for message authentication? Can a MAC algorithm be exploited without…

A: Another kind of security is message authentication. The message authentication data security feature…

Q: What function does authentication play in achieving our goals? Here, we'll compare authentication…

A: Authentication is the process of verifying the identity of an individual, system, or entity to…

Q: To create a unit converter that can change an input value from metres to kilometres and back again,…

A: JavaScript is a widely used programming language for web development, and it provides powerful tools…

Q: How is a message authentication hash value protected? Can a MAC algorithm be exploited in the…

A: A message authentication code (MAC) is the similar to the  cryptographic hash, with the exception…

Q: Give an example of each type of authentication and the risks that come with it. Then give an answer.…

A: Text-based password authentication is the most common form of authentication. In this method, a user…

Q: 1. Given that the Lamport hash (see §12.2 Lamport's Hash) value is sent in the clear over the…

A: Password  A password is a way to reliably verify the identity of the user, computer, or both. People…

Q: Explain the differences between symmetric and asymmetric cyphers and how they are used in…

A: The answer is given in the below step

Q: Identify the vulnerabilities associated with each authentication technique and provide a fix for the…

A: How come mode Organizations in the fields of education, health, and business have been using…

Q: Identify the vulnerabilities associated with each authentication technique and provide a fix for the…

A: The vulnerabilities associated with each authentication technique and their fix are given by:…

Q: What exactly is cryptography? What are the key differences between symmetric and asymmetric…

A: Software Engineering: In software engineering, cryptography uses numerical principles and rule-based…

Q: Look up the following properties of a cryptographic hash function on the internet or elsewhere:…

A: Here is the complete solution. see below steps.

Q: What is the role of a cryptographic hash function in data encryption, and how does it contribute to…

A: A cryptographic hash function is a mathematical algorithm that takes an input (or message) of any…

Q: For each kind of authentication, explain the danger and provide a countermeasure. Bob uses a hashing…

A: Authentication is the process of verifying the identity of a user or entity before granting access…

Q: What about encrypting an AES key with a secret password? Make a case for why your answer is correct.…

A: Standard for Advanced Encryption The United States government selected the symmetric block cypher…

Q: Differentiate between hash and MAC. Illustrate how these may be used for authentication of messages.…

A: Solution: Differentiate between hash and MAC. Illustrate how these may beused for authentication of…

Q: Separate hash from MAC code. Demonstrate their potential application in establishing message…

A: Hash:         A hash is a cryptographic function that takes a string of data as input and produces a…

Q: Separate hash from MAC code. Provide examples of how they may be used to verify messages. What kinds…

A: Introduction : A hash is a cryptographic function used to protect data and verify data integrity. It…

Q: You may use Wikipedia to look up the factual part of the answers (the calculation part you can do…

A: The answer is given below-

Q: What is the difference between encryption and hashing? Explain their respective use cases and why…

A: AspectEncryptionHashingPurposeProtects data confidentiality during transmission or storageEnsures…

Q: I've never heard of "multifactor authentication." The issue is: How does it aid in preventing the…

A: Multi-factor authentication (MFA) is a security solution that involves the use of several security…

Q: How is the hash value of a message used for authentication protected? Is it possible to make use of…

A: a) The transmitter creates a hash function by concatenating the message with a symmetric key before…

Q: To solve the following issue, you must first identify the risks associated with the different…

A: The issue described involves Bob's use of a password hash database for authentication, where he…

Q: To what end are we attempting to do authentication? Evaluate the different authentication methods…

A: Authentication which refers to the one it is the process of verifying a user or device before…

Q: There is a functional distinction between local and remote user authentication. To what extent did…

A: Dear Student, The answer to your question is given below -

Q: What exactly is multifactor authentication, and how does it function? What function does it play in…

A: Introduction: Multifactor authentication, also known as MFA, is an approach to protecting computer…

Q: My interest in learning more about multifactor authentication stems from sheer curiosity. How…

A: The above question is answered in step 2 :-

Q: esa What is t.

A: Message Authentication code The message authentication code (MAC), sometimes known as a tag, is a…

Q: What is avalanche effect? How do you achieve avalanche effect in modern block ciphers? Explain your

A: I have given detailed explanation related to avalanche effect below.

Q: Describe the idea of a challenge-response system in the context of authentication. Is this strategy…

A: It is less secure than a challenge-response system since password-based systems keep passwords in…

Q: Find the danger in each authentication method and explain how to deal with it. Bob uses a hashing…

A: Bob hashes Alice's password and compares it to a database of hashed passwords. This authorisation is…

Q: What is the difference between a block cipher and a stream cipher? What is the difference between an…

A: What is the difference between a block cipher and a stream cipher? Feature Block Cipher Stream…

Q: To solve the following issue, you must first identify the vulnerabilities in each authentication…

A: Authentication is a critical component of ensuring the security of user accounts and sensitive data.…

Q: Research the modern usage of the RSA cipher; what is the current key strength and why does it change…

A: The RSA algorithm for the asymmetric encryption has been publicly available since 1977.

Q: Find the danger in each authentication method and explain how to deal with it. Bob uses a hashing…

A: Introduction Authentication is the process of verifying the identity of a user or device in order to…

Q: Please describe how the symmetric encryption model and the asymmetric encryption paradigm are…

A: Introduction: Data security uses encryption. Before delivering plain text to the network, it's…

Q: CBC is one example of block ciphers. What is CBC mode of encryption?  What is IV in the context of…

A: Please upvote. I am providing you the correct answer below. please please please.

Q: Is it possible to encrypt an AES key using a shared secret? Justify your answer Consider the hash…

A: Introduction: The Advanced Encryption Standard (AES) is a symmetric block cypher that the United…

Q: How about encrypting an AES key using a secret password? Extend your justification for why you chose…

A: The U.S. government uses the Advanced Encryption Standard (AES) to secure secret information. AES is…

Q: What is the purpose of a cryptographic hash function, and how is it different from encryption?

A: Cryptographic hash function is a function which is used to verify the validity of data. It…

Q: 1. The cryptographic strength of the Feistel/block cipher is derived from which three…

A: We are only allowed to answer 1 question at a time, please repost the remaining questions…

Q: Find the flaws in each authentication technique and explain how they may be fixed? Bob uses a…

A: Authentication is a crucial aspect of computer security, which verifies the identity of a user or…

Q: Describe the hazards associated with each authentication method and offer a remedy for the following…

A: Authentication methods are crucial for ensuring the security of digital systems and protecting…

Q: Identify the vulnerabilities associated with each authentication technique and provide a fix for the…

A: Why mode? Education, health, and business have used relational systems for decades.  SQL systems…