Abdullah works in a telecommunication company. Whenever he enters the server room, he is required to scan his fingerprint at the door. After Abdullah enters to the server room, he cannot open any of the server cabinets unless he enters a code number. This process is known as:      Performance measure     Multifactor authentication     Mutual authentication     Biometric authentication

Q: Question 3.  Identify the following security services and write their names with reason if required.…

A: Sending messages from source to destination securely requires the encryption and decryption…

Q: to monitor his communications in the computer network (a) Bob first needs to establish a new key…

A: Dear Student, Bob could achieve this by encrypting the message and by providing the decryption key…

Q: Show a scenario of a SIP-based session, in which: After establishing the session, a different codec…

A: Session Initiation Protocol (SIP) is one of the most common protocols used in VoIP technology. It is…

Q: When configuring an IPsec Security Association (SA) O Authentication can only be provided by…

A: When configuring an IPsec Security Association (SA)

Q: "One-Time Passwords (OTP)" authentication method basically work?

A: One time password are a type of two-factor validation. They imitate the sharing of a mystery…

Q: A bank wishes to record the account number of its clients (an 8-digit number) on magnetic stripe ATM…

A: Answer: We need to write the function of magnetic strip on the ATM

Q: asymmetric encryption

A: Given :- In the above question, the statement is mention in the above given question   Need to…

Q: Q: Alice wants to set up a business company that securely deals with her clients. Bob is a potential…

A: Deviated Encryption  Privacy, vigorous verification, uprightness approval, and non-disavowal are…

Q: Bob has received a message from Alice. The message is encrypted with Bob's public key (that Alice…

A: Since the message is encrypted with Bob's public key that Alice has obtained from a certification…

Q: When the Sender encrypts the Message with the Receiver's Public key,  What key the receiver should…

A: In general, the public key which is shared between sender and receiver will be same and there will…

Q: Discuss how the asymmetric encryption algorithm can be used to achieve the following goals:…

A: Discuss how the asymmetric encryption algorithm can be used to achieve the following goals 1.…

Q: q13) Which key combination the Sender should apply in order to achieve confidentiality in public…

A: a. Receiver Private Key b. Senders Private Key

Q: If each user in a group of 12 people wants to communicate secretly and bidirectionally with each…

A: Asymmetric Encryption consists of two cryptographic keys known as Public Key and Private Key. The…

Q: When implementing PPP authentication, you have the option of utilizing either PAP or CHAP as your…

A: Point-to-Point Protocol -(PPP) is a data link layer (layer 2) communication protocol that directly…

Q: A synchronous password token must keep up with the receiver's speed. To put it another way, the…

A: Time-Synchronous Password Token Time Drift Time drift, also known as clock drift, is a problem with…

Q: You have been recently employed as part of a Network Snooping Association. You first task requires…

A: Solution  Given padding is PAD1: 25 17 12 11 22 1 26 2 29 3 11 15 22 5 15 25 30 4 16 1 Programming…

Q: Shared session key establishment using a Key Distribution Center (KDC). Using the following table,…

A:

Q: In public key cryptosystems, if the Sender has digitally signed the message and applied Receiver's…

A: Answer: d. Receiver's Public key + Sender's Private key

Q: Alice wants to communicate with Bob, using public-key cryptography. She establishes a connection to…

A: In the cryptology X.509 is a standard certification format for all the public key certificate.

Q: pose Mary sent the following message to klein : ‘I enjoy studying information technology at EDUVOS’.…

A: Given Text : I enjoy studying information technology at EDUVOS Keyword=APPLE KEY=14532

Q: techniques to make messages secure and safe from attacks 1. Confusion 2. Diffusion security goal to…

A: The above question is solved in step 2:-

Q: Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption.…

A: Given: Ahmed and one of his close friends, Ali, used to send e-mail using public and private key…

Q: Shared session key establishment using a Key Distribution Center (KDC). Using the following table,…

A:

Q: - Explain the concept of two factor authentication and give an example of applications.   - One…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Man-in-the-middle attack when Alice and Bob employ Diffie-Hellman key exchange. Here, Carol is the…

A: Man-in-the-middle attack when Alice and Bob employ Diffie-Hellman key exchange. Here, Carol is the…

Q: The asymmetric key cryptography, it also called public key cryptography where is private saved in…

A: Explanation Asymmetrical key cryptography is  also called public key cryptography.It is the…

Q: Question 7 In multifactor authentication, not only the client authenticates to the server, but the…

A: In multifactor authentication not only the client authenticates to the server but the server also…

Q: Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption.…

A: Question :-  Why he might still want to use second method Answer :-  in second method , encryption…

Q: A secure conversation should be private. In other words, only the sender and the receiver should be…

A: Answer: In an insecure communication route, public key cryptography would be a superior alternative…

Q: Suppose p=5 and q=11. Which of the following is the private key of an RSA cryptosystem with public…

A: The private key will be Option(a) (55, 23) Explanation:- To solve this RSA algorithm will be used…

Q: how the asymmetric encryption algorithm can be used to achieve the following goals with the use of…

A: In asymmetric encryption a pair of public and private key is used to encrypt and decrypt a message.…

Q: The Kerberos Authentication Server might reject an AS_REQ message and instead require…

A: Kerberos: Kerberos is a protocol used for authentication that works on the client/server network.…

Q: UDP protocol uses three-way hand shake mechanism to establish the connection before exchanging any…

A: I have provided solution in step2

Q: Paillier

A: const paillier = require("./build/cryptosystem/paillier"); const keys =…

Q: Name the authentication technique that uses public key cryptography between the sender and the…

A: Message authentication Code Message Authentication Code (MAC) is a symmetric key cryptographic…

Q: What key the receiver should apply to verify the authenticity of the message, When the Sender…

A: I have given an answer in step 2.

Q: Alice and Bob use the following challenge –response authentication scheme based   on digital…

A: Bob send challenge to Alice. Bob -> verifier Alice -> claimant Here, we have two categories of…

Q: Ahmed and one of his close friend, Ali, used to send e-mail using public and private key encryption.…

A: Question :-  Why he might still want to use second method Answer :-  in second method , encryption…

Q: Explain how this method is significant for Muscat bank.

A: As mentioned in the question, Amuscat-Bank ATM allows users to withdraw 800 OMR daily as a maximum.…

Q: You have been recently employed as part of a Network Snooping Association. You first task requires…

A: Purpose of the program: This program would encode a message and decode the message again to return…

Q: hich key combination the Sender should apply in order to achieve confidentiality in public key…

A: Public Key Cryptography Public Key Cryptography uses two different keys to perform encryption and…

Q: between PAP and CHAP when setting PPP authentication. Which one is the safer option? Your response…

A: Explanation: Because the secret is not communicated over the link, CHAP is a more secure…

Q: Should a nonce be encrypted? O Yes, it prevents the message from being hacked. O No, otherwise Bob…

A: According to the information given:- We have to choose the correct option to satisfy the statement.…

Q: In an encrypted communication path between A and B, Rahman is trying to understand some messages…

A: Required:   In an encrypted communication path between A and B, Rahman is trying to understand some…

Q: Describe the process between sender and receiver for asymmetric encryption

A: Dear Student, The process between sender and reciever for assymetric encryption is given below -

Q: Suppose in an IDS systethe m, number of packets is n=1000, which from those k=250 packets are real…

A: The false positive rate is calculated as FP/FP+TN, where FP is the number of false positives and TN…

Q: Alice agrees to sign prime number only when she is approached by a third party. The adversary…

A: RSA ALGORITHM: RSA stands for Rivest Shamir Adleman algorithm. This algorithm is used to encrypt…

Securing systems

Computer systems or hardware, software, and procedure that are protected from unauthorized access and misuse of data are called securing systems. The securing systems provide the level of reliability and correct operation and they are suited for performing intended functions. The protection of computer systems is provided through software and hardware that prevents unauthorized access or the corruption of data or any data loss. Methods, tools, and personnel used to defend the digital assets of an organization refer to securing systems. The securing system’s goal is to protect these assets, devices, and services from being stolen by unauthorized access or also called threat actors.