Please answer the following: a. What is/are the differences between message confidentiality and message integrity? b. Is it possible to provide ‘message confidentiality’ without ‘message integrity’? c. Is it possible to have ‘message integrity’ without ‘message confidentiality’?

Q: Assume I have a very sensitive non-confidential message to send to a friend, and my objective is to…

A: Electronic signatures (e.g., e-mails, credit card transactions, and digital documents) may be…

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: Consider any "message" that has to be protected, and then use a block diagram to illustrate the…

A: Principal of continuity means The flow is incompressible and  the flow is steady. We consider a…

Q: What are the differences between message confidentiality and message integrity? Can you have…

A: Here we have given the differences between message confidentiality and message integrity. And added…

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

A: Will be explained :

Q: What are the benefits and drawbacks of including extra redundancy bits in a message, and how do they…

A: Introduction: These extra bits are additional bits that are created and placed into the message at…

Q: Which encryption standard assures that data isn't tampered with after it's sent and before it's…

A: TLS/SSL: TLS/SSL is the most used encryption protocol, and it is used on the internet on a daily…

Q: Let M be the plaintext message M = MALAYSIA and the private key, K = ISSOGOOD, Represent your…

A: since no password is given and encryption has always different result , I have done encryption with…

Q: Answer the following questions with true or false and provide a brief justification for your choice:…

A: The  justification: Justification arguments are offered in support of their decision. Something that…

Q: mon hardware components of a symmetric block cipher? What are the two families of operating modes of…

A: Below the common hardware components of a symmetric block cipher and two families of operating modes…

Q: et M be the plaintext message M = MALAYSIA and the private key, K = ISSOGOOD, Represent your…

A: In the given question, there is no password as well as the result is always encrypted separately. It…

Q: Is it possible to apply message secrecy and message integrity security to the same message? Why do…

A: Given: Is it possible to apply message secrecy and message integrity security to the same message?…

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: What are the different sorts of transmissions, and can you give an example of each?

A: Introduction: The following are the many modes of transmission: Transmission mediums are classified…

Q: The sender and receiver need to agree on the method of encoding so that both parties share the key,…

A: Primary key :- It Is unique and not null key in table. Foreign key :- it is a key which referenced…

Q: The cipher text C=10 sent to user whose public key is e=7, n=91. What is the plaintext M

A: Plain Text is M also 10

Q: Design a protocol by which two mutually suspicious parties can authenticate each other. Your…

A: Kerberos gives a unified verification worker whose capacity is to confirm clients to workers and…

Q: What are some of the most prevalent sorts of error messages, and what do they indicate

A: "401 Unauthorized" First on our rundown of HTTP mistake codes is 401. A 401 message implies the…

Q: How many blocks will be generated out of a 320 bits plaintext message when encrypted using DES? What…

A: The answer to this question is 5 and 320

Q: i) Define “Principle of Integrity”.?  Consider any “message” that needs to be secured and explain…

A: Integrity, in the view of computer systems, that will be refers to methods of ensuring data is real,…

Q: What methods are there for message authentication

A: SETTING THE SCENARIO: Message authentication is accomplished using symmetric-key cryptography. The…

Q: The SNMP management primitives and protocol message structure may be explained in what way??

A: SNMP is also known as Simple Network Management Protocol.

Q: of symmetric encryption and an error control code is used for message authentication, in what order…

A: When a combination of symmetric encryption and an error control code is used formessage…

Q: E(m, K;) m = She produces: She sends Bob: m. swer the following: a. What type of cryptosystem are…

A: The answer given as below:

Q: How will the Receiver verify a Digital Signature? a. Decrypting the message with Sender's Public key…

A: The Receiver verify a Digital Signature by decrypting the message with Sender's Public key.

Q: b) Suppose a bank organization MyBank has designed a system in which a symmetric session key is…

A: According to the guidelines we are allowed to answer only the first question.   - The question wants…

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: 19) _________________ It doesn't compare any previously determined standards and is founded on…

A: 19 d) Heuristic Recognition Method In heuristic recognition methods, heuristic technique is used. A…

Q: The __________ mechanism assures that a received packet was in fact transmitted by the party…

A: Actually, packet is a small amount of data sent over a network.

Q: Show that a choice of 256 bit prime number is not a good choice to encrypt a message by today’s…

A: Given: 256 bit prime number is not a good choice to encrypt a message disadvantage of always…

Q: Suppose that Bob receives a PGP message from Alice. How does Bob know for sure that Alice created…

A: A PGP message is a digitally signed message that uses the Pretty Good Privacy (PGP) e-mail…

Q: How secure is the HMAC-based message integrity scheme? Assuming that's the case, what role does a…

A: Please find the answer below :

Q: Give some situation on how the Public and Private Key could be used for sender and receiver in…

A: Ans:- Shyam wants to send Ram an encrypted email. To do this, Shyam takes Ram's public key and…

Q: Which encryption standard guarantees that data will not be altered either after it has been…

A: Encryption : There are three different states that data might be in when it can be encrypted: at…

Q: the cybertext with RSA

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

Q: What are the benefits and drawbacks of increasing the amount of redundancy in a message?

A: Introduction: Redundancy is defined as repeated unnecessarily or is no longer relevant because…

Q: What is P spoofing and how does it work? Is faking P addresses considered a security risk?

A: Introduction: IP spoofing is sending Internet Protocol (IP) packets with a changed source address to…

Q: Cryptologists b. Cryptanalysts c. Cryptanalysi

A: Cryptanalysis is the term used for the study of methods for obtaining the meaning of encrypted…

Q: Which is better between  MAC-algorithm and Digital Signature for message integrity.Explain.

A: To be determine: Which is better between  MAC-algorithm and Digital Signature for message…

Q: When both confidentiality and message integrity are provided in Zigbee, what data field/s is/are…

A: ZigBee is a safe wireless communication technology. Its security design compliments the IEEE…

Q: Would it be possible to execute encryption functions in parallel on CBC mode with multiple blocks of…

A: In CBC(Cipher Block Chaining) encryption the input block to each and every forward cipher operation…

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: Which the 3rd phase of operation in the IEEE 802.11i Protocol? i) Protected Data Transfer ii)…

A: Exрlаnаtiоn:  Key  mаnаgement  is  the  3rd  Рhаse  оf  орerаtiоn  in  the  IEEE  802.11i  Рrоtосоl.

Q: Create logical categories for each of the many different kinds of DNS records. Explain each one in a…

A: Introduction Group DNS records logically. Explain each one with examples and why it's being…

Cryptography

Cryptography is a term used in computer science to describe secure information and communication techniques that transform messages in difficult-to-decipher ways using mathematical concepts and a set of rule-based calculations known as algorithms.