Explain the process you would use to create a key pair for use with RSA. Also explain why it is infeasible for anyone else to determine the value of your private key given your public key.
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- Analyze the security of your master key in the event that two of the three clouds work together to get it, and give a suggestion for a method to increase the security of your master key recovery system.Can i have some help with this question ? Suppose a directory that stores certificates is broken into and the certificates in the directory are replaced by bogus certificates (but the CA's private key is not disclosed)? Explain why users will still be able to identify these certificates as bogus.must answered ALL parts for upvote, as per chegg guidelines, up to four subparts may be answered: - what are two desirable properties of IV in network security? - a cryptographic hash function is used to provide confidentiality and integrity of a message, true or false? - when AES is used with the CBC mode, the size of an IV is 256 bit long, true or false?
- Find the flaws in each authentication technique and explain how they may be fixed? Bob uses a password-hash database to check a user's password? Bob uses a database of double-hashed passwords to check a hashed password?In the context of cryptography, what are the differences between a cipher that uses symmetric keys and a cipher that uses asymmetric keys? The industry standard for the size of the RSA public key is much bigger than the size of a symmetric key? Why? Are ciphers based on symmetric keys not s secure as RSA?I need someone to give me short Answers for each question with short perfect explanations: 1. Explain the computer security objectives? or what are the three objectives of Computer Security? 2. What is the difference between passive and active security threats? Give an example of each one? 3. what is security mechanism? 4. Why HASH is not sufficient for a message authentication? What is the main difference between HASH function and HIMAC? 5. List three approaches to message authentication? 6. How many keys are required fir two people to communicate vis a symmetric cipher? 7. List the parameters of a symmetric block cipher for greater security? 8. What are the two approaches to attacking a secure hash function? 9. What is message authentication code? 10. What is symmetric encryption? What are the two reequipments for secure use of symmetric encryption?
- In a few sentences, describe how an RSA keypair is generated. Make sure to describe which values are part of the public key and which values are part of the private key.If an RSA system, the public key of a given user is e = 31, n = 3599. What is the privet key of this user? If x = 3 mod 7, and x = 5 mod 13, and x = 8 mod 11, what value is x? Show all the steps. If code was used to solve this question then attach the code snippet with the answer. If any online-service or reference were used then clearly state so and provide the reference.My interest in learning more about multifactor authentication stems from sheer curiosity. How exactly does it assist to protect passwords from being seen by unauthorised parties?
- Which manner of operation is vulnerable to the following security flaw: block independence allows an attacker to successfully alter some ciphertext blocks without knowing the key used?Are there any tools that someone like Peter can use safely, other than key recovery, to avoid losing his or her passphrase?How is the hash value of a message used for authentication protected? Is it possible to make use of a MAC algorithm even in the absence of the secret key?