Ask Question, Ask an Expert


Ask Computer Network & Security Expert

problem 1:

a) An opponent is using RSA with the public key {e = 53, n = 77}.  You intercept the ciphertext C = 10. (All values on this problem, comprising the ciphertext and the clear text, are numeric.)

i) Deduce p and q.
ii) Find out her private key.
iii) Determine clear text?

b) Define the terms ‘prime number’ and ‘prime factorization’. Describe the significance of prime numbers in the cryptography.

c) Consider cryptographic hash functions. Name four necessary properties for a cryptographic hash function, describing for each why it is vital.

d) describe the given methods used by firewalls to control the access:

• Packet Filtering
• Proxy Server
• Stateful Inspection

problem 2:

a) Describe in brief the following terms as used in the network security:

• Denial of service (DoS) attack
• Birthday attack
• DeMilitarized Zone (DMZ)
• Pretty Good Privacy (PGP) algorithm
• Social Engineering

b) List three advantages of using IPSec.

c) In brief describe the Cipher Block Chaining (CBC) mode of operation stating its benefits, drawbacks and uses.

d) In brief describe five guidelines for a desirable password selection and use policy in a corporate organization.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M96473

Have any Question? 

Related Questions in Computer Network & Security

Network security - web security threatsassume that you are

Network Security - Web Security Threats Assume that you are the lead network security expert in your organization. Because of the recent rise in web security issues and the development of the global marketplace, your org ...

Exercise sheet1 let l be a 9 bit lfsr with connection

Exercise Sheet 1. Let L be a 9 bit LFSR with connection polynomial c(x) = x 8 + x 4 + x + 1 and seed s = [1, 0, 1, 1, 1, 0, 0, 1, 0] (i.e. the last bit of s, 0, is the next keystream bit). Compute 10 bits of the keystrea ...

Network assignmentoverviewyou will provide a detailed

Network Assignment Overview You will provide a detailed network design proposal. Your task is to design the network for this new building with the following criteria: • Each Classroom Computer Lab will be on a separate n ...

Ten immutable laws of security please respond to the

"Ten Immutable Laws of Security" Please respond to the following: • From the e-Activity, read the full article posted at titled "Ten Immutable Laws of Security (V ...

Assignment xyz company troubleshooting and maintenance

Assignment: XYZ Company Troubleshooting and Maintenance Plan In XYZ Company is heavily invested in e-Commerce with all retail locations' Point of Sale systems connected so that it maintains a dynamic inventory and automa ...

Individual systems scenariothis assignment is a

Individual: Systems Scenario This assignment is a continuation from the Week Four assignment. In order to provide for the new services at the Akron, Ohio facility, the site must be added to the existing domain and config ...

Current security event researchselect a company that has

Current Security Event Research Select a company that has been in the news in the past two years that has had a significant security breach. Develop a 2- to 3-page paper covering the following: • Identify the event and t ...

Yummy good treats has a number of traveling salespeople who

Yummy Good Treats has a number of traveling salespeople who cover territories throughout the Midwest. These employees use laptops with wireless Internet connections and mobile phones to communicate with the home office. ...

You are to write your own connectionless udp client print

You are to write your own connectionless (UDP) client. Print out everything. You can start with any open-source UDP client as a template and may want to include some parts of the template from Program 1. UDP packets will ...

Assessing and securing systems on a wide area network

Assessing and securing systems on a wide area network (WAN) Research paper; Ten pages, however no more than fifteen pages, 12 point font, Times New Roman and double spaced. Your name should appear in the header along wit ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate