Is it feasible to modify the Tag (the MAC) and the ciphertext using a MAC (message authentication code) while they are in transit? In this attack, the receiver can always recognize a modified Tag/ciphertext; thus, explain why it cannot succeed.

Is it feasible to modify the Tag (the MAC) and the ciphertext using a MAC (message authentication code) while they are in transit? In this attack, the receiver can always recognize a modified Tag/ciphertext; thus, explain why it cannot succeed.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Q: An attacker attempts to change the Tag (the MAC) and the ciphertext while deploying a MAC (message…

A: INTRODUCTION: MAC stands for the tag. It is a piece of information that is used to confirm the…

Q: An attacker attempts to change the Tag (the MAC) and the ciphertext while deploying a MAC (message…

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

Q: What happens if an attacker uses a MAC to change a communication's Tag (MAC) and ciphertext in…

A: In a communication system that uses Message Authentication Codes (MACs) to ensure integrity and…

Q: What happens if an attacker tries to modify the Tag (the MAC) and the ciphertext in transit when…

A: Answer :

Q: What happens if an attacker tries to modify the Tag (the MAC) and the ciphertext while using a…

A: The ticket is referred to by its abbreviation MAC. It is a piece of data used to validate the…

Q: Suppose a user employs one-time passwords as above (or, for that matter, reusable passwords), but…

A: OTPs or One-Time Passwords are the automatically generated string of characters which could be…

Q: When a message authentication code (MAC) is employed, what happens if an attacker tries to tamper…

A: Ciphertext: Ciphertext is a type of encryption technology that uses complex algorithms to securely…

Q: Are you familiar with the term "poison packet attack"? Demonstrate your point using a few instances.

A: Introduction: ARP Poisoning on a Local Area Network (LAN) is a kind of cyber attack that is used to…

Q: What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while…

A: The answer is

Q: What results may be expected from the use of a message authentication code (MAC) in the event that…

A: The acronym for the ticket is MAC. It is a piece of information used to verify the sender and…

Q: What happens if an adversary attempts to alter the Tag (the MAC) and the ciphertext of a…

A: The acronym for the ticket is MAC. It is a piece of information used to verify the sender and…

Q: What happens if an attacker changes the Tag (MAC) and ciphertext of a communication in transit using…

A: The tag stands for "message authentication code," which is a piece of data sent back and forth…

Q: The attacker uses the MAC encrypted message) (mess Exactly what are the poten

A: The attacker alters the message (ciphertext) and the corresponding Tag. The attacker then sends the…

Q: Using a MAC( message authentication code), what will happen when an attacker tries to modify the Tag…

A: MAC is an acronym of the tag. It is a piece of information used by the sender and receiver for…

Q: What kinds of attacks are handled with and how are they dealt with when it comes to message…

A: The solution to the given question is: It is a cryptographic checksum against data that uses session…

Q: What results may be expected in the event that an adversary modifies the Tag (MAC) and ciphertext of…

A: Given: The tag is an abbreviation for "message authentication code," which is information…

Q: Answer the following question: An attack where information about the key or the plaintext is…

A: Cryptography Cryptography is the science of securing the message or data exchange between a sender…

Q: What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while…

A: Step 1 MAC is the acronym for the ticket. It is a piece of data used to validate the sender's and…

Q: Suppose a user employs one-time passwords as above (or, for that matter, reusable passwords), but…

A: Password authentication may be prone to many attacks, such as replay attacks. One of the strategies…

Q: Is it possible to do a repeat attack on a message security method based on HMAC? If so, could a…

A: Hashed Message Authentication Codes (HMAC) ensure data integrity and authentication in digital…

Q: The attacker uses the MAC to try to alter the Tag (the encrypted message) (message authentication…

A: INTRODUCTION: MAC abbreviates the tag. The sender and receiver use it to confirm the message. An…

Q: Is it feasible to launch a replay attack against HMAC-based message integrity protocols? If that's…

A: When sharing concealed keys through an insecure key exchange mechanism, the HMAC-based message…

Q: Is it feasible to modify the Tag (the MAC) and the ciphertext using a MAC (message authentication…

A: Launch: The acronym for the tag is MAC. It is a piece of data that both the sender and the recipient…

Q: What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext while using a MAC…

A: Message Authentication code (MAC) is like a information or security code that is used to access an…

Q: What results may be expected in the event that an adversary uses a MAC to alter a communication's…

A: The integrity and validity of the communication are called into doubt when an adversary tries to…

Q: a. What properties should a digital signature have? b. In what order should the signature function…

A: a. Digital signatures require the following properties for validity: Authenticity: This property…

Q: Are you familiar with the term "poison packet attack"? Use a few instances to demonstrate your…

A: Introduction: ARP Poisoning on a Local Area Network (LAN) is a type of cyber attack that is used to…

Q: What takes place if an adversary tries to modify the Tag (MAC) and ciphertext while the MAC (message…

A: When someone tries to change a message's tag (MAC) and its hidden message while it's still being…

Q: Is it possible for a MAC (message authentication code) to alter the Tag and ciphertext while they…

A: While the security criteria for MAC and cryptographic hashes are comparable, they are not identical.…

Q: To what extent may the Tag (the MAC) and encrypted data be altered by an attacker who is utilising a…

A: The tag's abbreviation is referred to as MAC. It is a piece of information that the sender and the…

Q: What results may be expected from the use of a message authentication code (MAC) in the event that…

A: Introduction: Ticket/MAC: The acronym for the ticket is MAC. It is a piece of information used to…

Q: An attacker attempts to change the Tag (the MAC) and the ciphertext while deploying a MAC (message…

A: MAC is likewise called tag. It is an instructive piece utilized by source and recipient for the…

Q: Explain why the exclusive-or cipher is not secure against a chosen plaintext attack

A: XOR Encryption is an encryption method used to encrypt data and is hard to crack by brute-force…

Q: What happens if an attacker tries to modify the Tag (the MAC) and the ciphertext while using a…

A: The acronym for the ticket is MAC. It is a piece of information used to verify the correspondence…

Q: While the message is in transit, what happens if an attacker tries to modify the Tag (the MAC) and…

A: Presentation: While MAC characteristics and cryptographic hash features are similar, the security…

Q: When a message authentication code (MAC) is being used, what takes place in the event that an…

A: The acronym for the ticket is MAC. It is a piece of information used to verify the sender and…

Q: calculate the ciphertext C, and the value for R when Maryam recovers the message

A: Encryption is the method to change the value in some other values when traveling the data in server…

Q: Can an attacker using a MAC modify the Tag (the MAC) and the encrypted data? This attack is hopeless…

A: The abbreviation for this tag is MAC. It is a piece of data used by the sender and receiver to…

Question

Is it feasible to modify the Tag (the MAC) and the ciphertext using a MAC (message
authentication code) while they are in transit? In this attack, the receiver can always recognize a
modified Tag/ciphertext; thus, explain why it cannot succeed.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

What happens if an attacker changes the Tag (MAC) and ciphertext of a communication in transit using a MAC? Explain why this attack fails, i.e. why the receiver will always notice a changed Tag/ciphertext.
What results may be expected when using a message authentication code (MAC), in the event that an adversary attempts to alter the Tag (the MAC) and the ciphertext while it is being transported? Explain the reason why an attack such as this would never be effective since the recipient would be able to recognise a changed tag or ciphertext.
From the material that we discussed in the lecture about the cipher algorithm, answer the following question: Why it is not recommended to use the asymmetric key cryptosystem to obtain the confidentiality service in the network communication? Explain. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt 田田田由用国田田
What happens if an attacker uses a MAC and tries to change both the Tag (the MAC) and the ciphertext as it is being transmitted? Explain why this attack would never succeed since the recipient would be able to recognise a modified Tag or ciphertext.
Is it possible to alter the Tag (the MAC) and the ciphertext while they are in transit using a MAC (message authentication code)? The receiver can always identify a changed Tag/ciphertext in this attack, therefore explain why it will not succeed.
Can an attacker using a MAC modify the Tag (the MAC) and the encrypted data? This attack is hopeless since the recipient can always identify whether the Tag/ciphertext has been tampered with.
Is it feasible to encrypt data and the whole connection? Just what are we getting out of this, exactly? Explain a scenario where every available encryption method would be of value.
What happens if an attacker attempts to modify the Tag (the MAC) and the ciphertext while the message is in transit while using a message authentication code (MAC)? Explain why this kind of attack will never succeed since the recipient would be able to recognise a changed tag or ciphertext.
Suppose a user employs one-time passwords as above (or, for that matter, reusable passwords), but that the password is transmitted sufficiently slowly. (a) Show that an eavesdropper can gain access to the remote server with a relatively modest number of guesses. (Hint: The eavesdropper starts guessing after the original user has typed all but one character of the password.) (b) To what other attacks might a user of one-time passwords be subject?
The attacker uses the MAC to try to alter the Tag (the encrypted message) (message authentication code). Exactly what are the potential outcomes if I do this? If this attack succeeds, the target will always be able to spot a tampered Tag or ciphertext.
An attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC (message authentication code). What would happen? Provide a rationale for why this attack will fail, that is, why the receiver will always be able to identify a changed Tag or ciphertext.
Suppose a user employs one-time passwords as above (or, for that matter, reusable passwords), but that the password is transmitted sufficiently slowly. (a) Show that an eavesdropper can gain access to the remote server with a relatively modest number of guesses. (Hint: The eavesdropper starts guessing after the original user has typed all but one character of the password.) (b) To what other attacks might a user of one-time passwords be subject?