Q4) Write a Fortran-90 program to find the largest number among any four different real numbers (a.b.c and d), by using nested if-then-else-end if. Depending on the following flowchart: If(a>d) largest=a T-then T then If(a>c) largest3Dd If (c>d) largest=c T-then If(a>b) largest3Dd If(b>d) largest=b T-then T-then If(b>c) largest3d T- then largest=c If(c>d) largest3Dd else T→then F-else Felse

Q: When it comes to cryptography, what is the difference between symmetric and asymmetric?

A: As we know, cryptography are used for secure communication so that unauthorized user will not able…

Q: Cryptanalyze the single alphabetic substitution cipher and enter the substitution key in the format:…

A: Substitution cipher: In substitution cipher, each letter of the plaintext is replaced by other…

Q: Assume the Public Key E=11 and N=35, encrypt the letter ‘F’ using RSA and write down the…

A: We have got the ciphertext as 'F' after encrypting the letter 'F' with public key (E = 11) and N =…

Q: sing Columnar transposition encrypt the message “MUSCAT IS THE CAPITAL CITY OF OMAN ", using key…

A: Columnar transposition is a kind of transposition cipher. The message which has to be encrypted is…

Q: Which of the following provides the best (strongest form of) authentication? O a. What a person has…

A: Introduction Authentication is the process of verifying the identity of a user, device, or system in…

Q: Which kind of encryption, asymmetric or symmetric, is the safest?

A: Which kind of encryption, asymmetric or symmetric, is the safest?

Q: Use RSA encryption to post a message.  Use the RSA scheme with p = 3 and q = 11.

A: Solution: Due to  growth of Internet and e-commerce platforms  large  amount of  sensitive and…

Q: Encrypt the message M="GEORGE" using Caesar Lipher given

A: Coded using Python.

Q: What do you want them to say when they call you?

A: Introduction Paging is copying a virtual page from the disk to a page frame in the main memory.

Q: What are the differences between the two kinds of keys in terms of cryptography?

A: Introduction: An entity that wants to electronically authenticate its identity or sign or encrypt…

Q: Q3: Based on Data Encryption Standard (DES), if the output of R16 is "53 2C 26 CD 15 28" and the…

A:

Q: Which other methods, besides message authentication, are there?

A: Introduction: A message authentication code (MAC) is a brief piece of information used to verify…

Q: What do you mean by the authentication's objectives? There are many ways to authenticate a user, and…

A: Authentication's objectives When servers need to know who is accessing their data or website but…

Q: Write a note on n Time Exceed ICMP message.

A: Short note on Time Exceed ICMP Message.

Q: I just received an encoded message using the RSA encryption scheme, and I need help to decode it.…

A: Here the public number (p) =391 The second public number let us say (q) =47 Calculate the product…

Q: What is Asymmetric Cryptography?

A: Asymmetric Cryptography Asymmetric cryptography, commonly referred to as public-key cryptography, is…

Q: How long do I have access for?

A: To define:- Access Time: The entire amount of time it takes for a computer to request data and then…

Q: How different are cryptography private keys from their corresponding public keys, and to what degree…

A: In coding, secluded and community keys play a vital role. They help as the mainstay of numerous…

Q: Explain why interfaces are better than simple classes.

A: A class is a combination of data and methods which defines behaviour. An interface defines methods…

Q: Which other methods, besides message authentication, are there?

A: Given: Message authentication code (MAC) is a short piece of information used to authenticate…

Q: What is it about authentication that causes so much worry in the modern world?

A: The solution to the given question is: EXPLANATION Let's look at why authentication is still a…

Q: What is the difference between a prime number and a composite number? How is the Euclidean…

A: Secure communication in the presence of outside parties is practised through the use of…

Q: n the world of cryptography, what would you say are the three most essential procedures

A: Answer : In cryptography three main procedures that are used are : Encryption of data

Q: Cryptanalyze the single alphabetic substitution cipher and enter the substitution key in the format:…

A: In a Substitution cipher, any character of plain text from the given fixed set of characters is…

Q: Are you familiar with the three fundamental processes involved in cryptography?

A: Below are the three fundamental processes involved in cryptography

Q: How many keys are needed if public key cryptography is used?

A: The many keys are needed if public key cryptography is use will be explained :