iv. a__________processes the input one block of clements at a time. • Block cipher • Asymmetric Cipher • Stream Cipher • RSA algorithm v. In ________password checking strategy, the system periodically runs its own password cracker to find guessable passwords. • summative • complex • reactive • proactive • vi._________which of these physical charactersitics are example of dynamic biometrjes. • Face • Voice • Fingerprint • Iris vii

Q: (b)Using the following passwords “ABCefg12” and “KojoGiggs12” as examples, discuss the strengths and…

A: Comparatively, the first one is a weak password because it follows a sequence and can be easily…

Q: In modern cryptography, the plaintext is converted to a binary cipher. Bit streams have their bits…

A: A stream cipher is a symmetric key code that joins plain text digits with a stream of pseudo random…

Q: Please written by computer source Learn about graphical passwords and compare their entropy to…

A: Entropy basically measures how many guesses an attacker will have to make to guess your password.

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A: First look at the key. OPEN. It has 4 characters  And the text has 24 characters. Hence we have 24/4…

Q: Draw a diagram that completely illustrates a Block Cipher. As part of this, remember to mention ALL…

A: A block Cipher is define as he block of text that create as the encryption of the text which can be…

Q: First, argue for the best information security practice, whether a block cipher or stream cipher…

A: Introduction Block cipher: A block cipher is a type of symmetric-key encryption algorithm that…

Q: Salt enhances the difficulty of guessing in the UNIX login authentication procedure by a factor of…

A: In cryptography, a salt is a random information used as an additional input to a one-way algorithm…

Q: possible to encrypt both the data and the connection from beginning to end? What are the advantages…

A: Dear Student, The answer to your question is given below -

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A: 1. Ciphertext from plain text.   2. Original message from Ciphertext.

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A: It is not accurate to compare the number of encryption operations needed to transfer a big file in…

Q: Why are authorization lists so vulnerable to the unauthorised change that they need to be encrypted…

A: Why are authorization lists so vulnerable to the unauthorised change that they need to be encrypted…

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A: Definition: Authentication is the process of checking the credentials of a person or device trying…

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Q: Suppose the password file of a system is available to a hacker. How much extra time does the hacker…

A: The Morris-Thompson protection scheme is the technique that adds an extra layer of protection to…

Q: An example of a host-based intrusion detection system is the tripwire software. This programme scans…

A: The solution to the given question is: HOST BASED INTRUSION DETECTION TOOL The host based intrusion…

Q: I would appreciate it if you could clarify if the following passwords are acceptable possibilities…

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Q: A password generator creates a 10-character case-sensitive alphanumeric (a-zA-Z0-9) password keyed…

A: How many passwords are possible, average length of time be for a successful brute force attack if…

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Q: Why does hashing a password make more sense than encrypting one that has been saved in a file or on…

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Q: What's the difference between keeping hashed passwords in a file and having an encrypted password…

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A: Summary   Things to do. Send Information Securely (Including Email):   Use Email for Routine Office…

Q: ent password-related hacks that occur nowadays. Which of these assaults has become more effective as…

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Q: (Refers to Lesson #1) Discuss how the definition of privacy that is commonly used (freedom from…

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Q: The number of encryption operations required to transmit a big file is comparable for block chaining…

A: The solution to the given question is: DES  DES(Data Encryption Standard) Cypher Block Chaining Mode…

Q: What is the difference between a block cipher and a stream cipher? What is the difference between an…

A: What is the difference between a block cipher and a stream cipher? Feature Block Cipher Stream…

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A: python program about password cracking

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Q: The amount of encryption operations required to transfer a big file is comparable in block chaining…

A: Introduction: DES (Date Encryption Standard) cypher block chaining mode This particular cypher mode…

Q: The number of encryption operations required to transmit a big file is comparable for block chaining…

A: Introduction The solution to the given question is: DES  DES(Data Encryption Standard) Cypher Block…

Q: Most modern encryption uses a binary cipher to protect plaintext. Bit streams have their bits…

A: Introduction ;   A stream cipher is a symmetric key code that joins plain text digits with a stream…

Q: How long does a protected password have to be if the difference between "insecure" and "secure" was…

A: Answer is given as

Q: create the confused deputy attack using an example program or using the cross-site request forgery…

A: Answer: package ski.puchal.confused;   import org.apache.commons.cli.CommandLine; import…

Q: A strong password has following properties. i. It MUST start with Capital Letter. ii. Must have at…

A: A Regular Expression or Regex is a sequence of characters which forms patterns, mostly using in…

Q: Can software on a desktop computer generate secret keys for use in cryptographic protocols while…

A: Given, Can software on a desktop computer generate secret keys for use in cryptographic protocols…

Q: htweight cryptographic block cipher is the Scalable Encrypt

A: Introduction: The Lightweight Encryption Algorithm (LEA) is a 128-bit block cypher created in 2013…

Q: What is the difference between keeping hashed passwords in a file and using a computer to store an…

A: Password Database: The user's password is concatenated with a static salt and a randomly generated…

Q: Can the use of two distinct passwords for logging into a system be classified as two-factor…

A: Two-factor authentication can be utilized to reinforce the security of an internet based account, a…

Q: 1) Describe the difference(s) between an authenticated user and an authorised user.

A: Note: Due to company policies I am compelled to solve only one question and that is the first…

Q: What is the maximum amount of time that it would take a computer that can test  keys per second to…

A: The only known practical attack on AES-256, when used in the way that ScramBox does, is called a…

Q: Could the term "two-factor authentication" be appropriately applied to a scenario in which a user is…

A: In order to access a system, users must first provide two different forms of identification, which…

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.