B/ Write SQL statement for the following: 1- Create table, the table name is Student and the attributes are (St_Id, St_Name, St_Stage, Average, Year) and the table contains a primary key. 2- Display the number of records in student table. 3- Retrieve the name and stage from table, when the stage does not contain value at the same time the student has average less than 60. 4- Add Phone number field to a student's table. 5- Make a Backup copy for student table.

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: Is it feasible to encrypt a message with both message secrecy and message integrity? What makes you…

A: Will be explained :

Q: Modern cryptographic standards are always having to be updated. In particular the keys tend to get…

A: Lets understand this term with simple example.  Imagine you have one gold ring. how will you protect…

Q: Do you have any idea what the goals of authentication are supposed to be? Is it feasible to…

A: Introduction: The process of identifying users who want to access a system, network, or device is…

Q: Suppose you know that 79612 = 72 (mod 8051). Use this information to factor 8051.

A:

Q: Encrypt and decrypt the "PLEASEGIVEFIGURES" plaintext with the Vigonore onervntion mothed ucing the…

A: Encryption and decryption is detailed in step 2.

Q: No plagarism please! Correct and detailed answer Only. Thank you!   Q. Encrypt the message LIVE…

A: Dear Student, To encrypt data with RSA , We need the value of n and e only keys p and q are required…

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: A more secure way to authenticate a user is to do multi-factor authentication by combining two or…

A: Given: Multi-factor authentication, which combines two or more of the elements, is a more secure…

Q: What is meant by message ordering?

A: Given Data:- What is meant by message ordering?

Q: Which Cipher is used to resolve the issue with Mono alphabetic Cipher NOTE: Answer the above…

A: Monoalphabetic ciphers:   Monoalphabetic cipher its is a substitution cipher and each plain alphabet…

Q: Anonymous has a single leader and a central control authority Group of answer choices True False

A: Anonymous means the person whose name and identity is not revealed. It is a decentralized virtual…

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: Q4: Based on Simplified Data Encryption Standard (SDES), if the output of R1 is "H", k1="$", and…

A: Introduction A simplified version of the Data Encryption Standard based on a 10-bit key and an 8-bit…

Q: Suppose you know that 79612 = 72 (mod 8051). Use this information to factor 8051.

A: Following is the step by step solution to how could we factorize 8051 using (7961)2 = 72 mod(8051)…

Q: What is the plaintext? ciphertext Q L M E G R G w| L Q Q As integer -b * al (mod 26) plaintext

A: - According to our restrictions through guidelines, we are allowed to answer only the first…

Q: How does secret key cryptography really work in practice? What is it exactly? Please provide a short…

A: Introduction: There is just one key needed for secret-key encryption, and both parties need to know…

Q: What am I doing incorrectly to get my book's access code? I was hoping you could either direct me to…

A: An access code is usually a password-like code you use to admission specific digital content. For a…

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

A:

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: Which authentication methods are secure?

A: Various authentication methods generally considered secure, depending on the security provided and…

Q: Using Columnar transposition encrypt the message “UNIVERSITY OF TECHNOLGOY AND APPLIED SCIENCES ",…

A: Given data  Using Columnar transposition encrypt the message “UNIVERSITY OF TECHNOLGOY AND APPLIED…

Q: Which three cryptographic procedures are the most fundamental?

A: Cryptography: Cryptography employs encryption to safeguard private information from unauthorised…

Q: Why is it not practical to use an arbitrary reversible substitution cipher?

A:

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 substitutions are there for message authentication?

A: Given: In cryptography, a message authentication code (MAC), sometimes known as a tag, is a short…

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: By using One Time Pad, Encrypt for the message " Security of Computer and Networks " using Keyword…

A: first write the plain text and then below plain text arrange the key text . Then use vignere table…

Q: Plain text values, P(1)=10, P(2)=18,P(3)=27 p=23, q=29 Select a value of E thats not relatively…

A: Solution  Introduction

Q: How do I find my access code?

A: INTRODUCTION: A set of numbers and characters that may be used to get access to a particular system…

Q: The following is a message encrypted using keyword cipher and you know the keyword is CYBERSECURITY…

A: Required: The following is a message encrypted using keyword cipher and you know the keyword is…

Q: They are a small, close-knit family of his. Do you think you could give a brief explanation of each?

A: The source code is translated from high-level language to low-level language by a compiler. Compiler…

Q: Which authentication methods are secure?

A: Any system or application that manages sensitive information needs to have secure authentication.…

Q: Because they are harder to decipher, attacks against cyphers are made more difficult when the…

A: Explanation: A cypher is a calculation for encoding and decoding information in cryptology.…