Function lacking property would fail as cryptographic hash

Assignment Help Computer Network Security
Reference no: EM133309501

Questions

1. Briefly explain 5 properties a cryptographic hash function must satisfy. Pick any property and describe a scenario when a function lacking this property would fail as a cryptographic hash.

2. Explain the following statement: "Strong collision resistance implies weak collision resistance."

3. Briefly explain why CRC should not be used in place of a cryptocraphic hash.

4. Describe main advantages of SHA-3 over SHA-2.

5. Why isn't it enough to provide integrity by sending a message (M) and its hash (H(M)) from Alice to Bob?

6. What is the primary difference between MAC and HMAC?

7. Briefly explain the use of hashing in online bidding.

8. Briefly explain the idea of steganography and give an example of its practical use.

9. How many collisions would you expect to find if your hash function generates 12-bit output and you hash 1024 random messages.

10. Consider a CRC with divisor 10011. Find a collision with a message 10101011, that is a (different) message that produces the same CRC.

Reference no: EM133309501

Questions Cloud

Understanding risk classification-applying cost valuation : Understanding and applying the appropriate IT and Security Governance. Understanding risk classification and applying cost valuation concepts on given asset
Just about everyone has friends who live in blended families : Just about everyone has friends who live in blended families. Ask several people about the reward and challenges of living with stepparents and step siblings
Discuss the types of behaviors that a group might utilize : Discuss the types of behaviors that a group might utilize to guarantee that the conflict is constructive. What conflict management strategy is best applied
What is the explanation for your patients response : you note that the heart rate and blood pressure return to their previous levels. What is the explanation for your patient's response
Function lacking property would fail as cryptographic hash : Pick any property and describe a scenario when a function lacking this property would fail as a cryptographic hash.
Who wins john or mary and explain in detail why : Who wins, John or Mary, and explain in detail why?
What do you believe the future holds : What elements do you believe helped the #metoo campaign take off and become so well-known - What, in your opinion, has the #metoo campaign so far achieved
Address hipaa and ferpa depending on your focus : How stringent or similar should ethical principles be to the standards placed on the conduction of clinical and/or educational research?
What did the children do and say during the art experiences : In Childcare What did the children do and say during the art experiences that demonstrated interest, aesthetic appreciation (using senses to explore, wonder

Reviews

Write a Review

Computer Network Security Questions & Answers

  An overview of wireless lan security - term paper

Computer Science or Information Technology deals with Wireless LAN Security. Wireless LAN Security is gaining importance in the recent times. This report talks about how vulnerable are wireless LAN networks without any security measures and also talk..

  Computer networks and security against hackers

This case study about a company named Magna International, a Canada based global supplier of automotive components, modules and systems. Along with the company analysis have been made in this assignment.

  New attack models

The Internet evolution is and is very fast and the Internet exposes the connected computers to attacks and the subsequent losses are in rise.

  Islamic Calligraphy

Islamic calligraphy or Arabic calligraphy is a primary form of art for Islamic visual expression and creativity.

  A comprehensive study about web-based email implementation

Conduct a comprehensive study about web-based email implementation in gmail. Optionally, you may use sniffer like wireshark or your choice to analyze the communication traffic.

  Retention policy and litigation hold notices

The purpose of this project is to provide you with an opportunity to create a document retention policy. You will also learn how to serve a litigation hold notice for an educational institute.

  Tools to enhance password protection

A report on Tools to enhance Password Protection.

  Analyse security procedures

Analyse security procedures

  Write a report on denial of service

Write a report on DENIAL OF SERVICE (DoS).

  Phising email

Phising email It is multipart, what are the two parts? The HTML part, is it inviting the recepient to click somewhere? What is the email proporting to do when the link is clicked?

  Express the shannon-hartley capacity theorem

Express the Shannon-Hartley capacity theorem in terms of where is the Energy/bit and is the psd of white noise.

  Modern symmetric encryption schemes

Pseudo-random generators, pseudo-random functions and pseudo-random permutations

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