What is the two-block message that you chose

Assignment Help Computer Engineering
Reference no: EM132142094

Question :

Suppose message (a) is one block long. Suppose that an attacker has received the MAC (t) for a using CBC-MAC under some random key unknown to the attacker.

Explain how to forge the MAC for a two-block message of your choice. What is the two-block message that you chose?

What is the tag that you chose? Why is your chosen tag a valid tag for your two-block message?

Tips on how to solve this problem from Cryptography Engineering.

Reference no: EM132142094

Questions Cloud

Analogous to safety stock in services operations environment : What is analogous to safety stock in ‘services operations’ environment?
What would the destination address of the arp query be : Suppose a node is on the same LAN as 97.39.39.166 needs 97.39.39.166's MAC address. What would the destination address of the ARP query be (link layer)?
Part of either your existing marketing or proposed changes : Apply one distinct concept from behavioral economics to provide important insight into part of either your existing marketing or proposed changes.
Analysis of hrm-related issues and solutions : investigate current HRM-related issues in the workplace. You are to conduct research into a workplace of your choice, identify the most contentious issues
What is the two-block message that you chose : Explain how to forge the MAC for a two-block message of your choice. What is the two-block message that you chose?
What are main countries responsible for this trade deficit : What are the main countries responsible for this trade deficit? List the US goods for which China has decided to create new tariffs.
How many comparisons are required to find the middle item : At what position is the middle item? Using sequential search, how many comparisons are required to find the middle item?
Discuss what is meant by risk aversion : Define and discuss what is meant by risk aversion in financial markets. The definition and discussion can include a comparison of two assets.
What is the time complexity of your algorithm : Design an efficient algorithm to determine the water stations you should fill the water at so that you make as few stops as possible.

Reviews

Write a Review

Computer Engineering Questions & Answers

  How a risc cycle is obtained from the von neumann cycle

Draw the Von Neumann Cycle and explain the basic function carried out in each state. Explain clearly how a RISC cycle is obtained from the Von Neumann cycle.

  Improving the response to disaster

Also determine if you may find how the plans helped officials improve the response to disaster. How do the plans help the recovery?

  Briefly describe the tpm waterfall method

Briefly describe the TPM waterfall method and briefly describe one or more Agile project management approaches.

  Question1 describe python modules and packages2 what is

question1. describe python modules and packages.2. what is jaccard distance? show by an instance.3. write down a

  What each ddl and dml command does for each sql statement

Explain an application requirement that would necessitate the use of a view. Describe a specific scenario, situation, or application where using a foreign key would be necessary.

  Create a sub procedure and a function procedure

Write the syntax for a computer program to perform advanced loops.Create a sub procedure and a function procedure.Use a two-dimensional array to store, access, and search for elements within a computer program. Utilize structures and sequential-acces..

  Sizes of the original-zebras and zebras files

Go to www.cs.vu.nl/ ast and click on covered writing link. Follow the instructions to extract the plays. Answer the following questions: (a) What are the sizes of the original-zebras and zebras files?

  Determine how is possible to make maxrow and maxcol

Determine how it is possible to make maxrow and maxcol into variables that the user can set when the program is run.

  Give a solution using the three stage decision making

Give a solution using the three stage decision making model developed to Herbert Simon together with the additional two stages of decision making.

  Develop a new partitioning function

Using your suggested partitioning algorithm in part (a), come up with a sorting algorithm. Analyze the worst-case running time of your algorithm.

  Determine the new optimum solution

For the diet model, suppose that the daily availability of corn is limited to 450 lb. Identify the new solution space, and determine the new optimum solution.

  Draw a block diagram of the ic showing all input and outputs

Draw a block diagram of the IC showing all inputs and outputs. Include two pins for the power supply. Draw a block diagram using two ICs to produce an 8-bit bidirectional shift register with parallel load.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd