Extended euclidean algorithm, Computer Network Security

Assignment Help:

(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67.

(b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:

YMNXJ CFRNS FYNTS UFUJW NXVZN YJJFX D

(c) (i) Construct the Playfair matrix (5x5) using the keyword: cryptology

(ii) Encrypt the following plain text using the above matrix: billa bong


Related Discussions:- Extended euclidean algorithm

Encapsulation, ENCAPSULATION Network interface layer adds IP datagram ...

ENCAPSULATION Network interface layer adds IP datagram as data area in hardware frame. Hardware ignores IP datagram message format. Standards for encapsulation defines details

What is the main security vulnerability of ipv4, Question: (a) What is...

Question: (a) What is the main security vulnerability of IPv4? (b) Which protocol can be used for secure remote login? (c) Distinguish between the transport and tunnel

Limitations of ethical dilemma, The best results obtained in the PIIT class...

The best results obtained in the PIIT classes have been when the technique has been used in tutorial groups, rather than have students submit individual reflections on particular c

Transmision imparment, What are Transmission Impairments? Explain the follo...

What are Transmission Impairments? Explain the following concepts with respect to Transmission Impairments a) Attenuation b) Delay Distortion c) Noise ion #Minimum 100 words ac

Calculate the minimum sampling rate, QUESTION An analog sensor is used...

QUESTION An analog sensor is used to monitor the temperature of sea water at different depth. The sensor is fitted to a buoy and incorporates a wireless transmitter that send

Cryptography, hi have a look and tell me if u can do it. if u can do Q1then...

hi have a look and tell me if u can do it. if u can do Q1then i will allow u to do Q2

Define protocol, For simplicity, each character is regarded as one data pac...

For simplicity, each character is regarded as one data packet, which means that the data in each packet should have the max length of only 1 byte. Your own packet header (not th

Explain symmetric and asymmetric encryption system, Question 1: (a) Dif...

Question 1: (a) Differentiate between symmetric and asymmetric encryption system. (b) Describe how a digital signature is created. (c) Explain briefly what SSL (secure so

Base lining-risk management, Base lining •    Organizations do not have ...

Base lining •    Organizations do not have any contact to each other •    No two organizations are identical to each other •    The best practices are a moving target •    K

Computer forensic, discuss the merits and demerits of computers freezing

discuss the merits and demerits of computers freezing

Write Your Message!

Captcha
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