Confidentiality, Integrity, Availability

Answer the following short-answer questions:
• Which of the following is not the principal goal of the cryptography? Select among Confidentiality, Integrity, Availability
• Which of the following is the principal goal of encryption? Select among Confidentiality, Integrity, Availability
• What is a cipher?
• How many keys are used in a secure communication between two parties that use a symmetric-key encryption algorithm?
• What might be the size of an encrypted message, if the size of the plain text 15 bits. You can choose more than one. Select among 14 bit, 15 bits, 16 bits
Question 2
Any encryption operation uses a cipher and a key. Explain the Caesar cipher and the possible keys used by giving an example.
Question 3
Describe the terms permutation, substitution, and the mode of operation. Provide examples to these terms in the context of the Vigenere Cipher.

 

 

Sample Solution

The Caesar cipher, also known as a shift cipher or substitution cipher, is one of the earliest and simplest forms of encryption. It involves replacing each letter in an original message with another letter that has been shifted by a certain number of places down the alphabet (Gillen, 2019). For example, if the key is set to two letters then ‘A’ will be replaced with ‘C’ and so on for all letters in a given message. Therefore, the possible keys which can be used range from 0-25—each corresponding to how many letters have been shifted along the alphabet.

This form of encryption was developed by Julius Caesar himself who used it to communicate messages securely between military outposts (Gillen, 2019). While this method may appear outdated compared to more sophisticated methods existing today; its simplicity makes it easy to use without requiring extensive programming knowledge or specialized hardware. Additionally, because each shift produces at least 25 different variations of an encrypted message—it makes it much harder for would-be intruders to successfully decode and decipher any confidential data (Gillen, 2019).

In conclusion, though still basic in nature; when employed correctly with appropriate key selection –the Caesar cipher offers adequate protection for moderately sensitive information. This further demonstrates that even traditional methods such as substitution ciphers can still be effective in today’s digital world when performed properly.

markets. In the medical care industry, building trust and validity among key influencers is significant. As examined by Goranova (2016), to win purchasers’ trust, it is generally beneficial for an organization to put chiefly in advertising. This will include huge correspondences with respect to achievements – clinical preliminary outcomes, supporting and new organizations. The interest groups (wholesalers, end-clients, financial backers) will fluctuate, thus this will include expanded individual selling endeavors – outfitted with a cost skimming methodology, to address the item’s development and selectiveness available.

During the development phase of the item’s life cycle, the interest develops and the opposition increments. Therefore, limited time push will move from making mindfulness towards empowering rehash buys and brand inclination (Blythe, 2009). This can be accomplished through a scope of promoting strategies like exchange magazine commercial, introducing a full help and comprehensive bundle with the item – like supporting gear, and a no commitment item preliminary assistance. This is an instance of upgrading esteem through the increased item. The item can likewise be introduced industry tradeshows for in-person showing; the point being to introduce the capacities of the item that couldn’t be duplicated by a contender dynamic model.

When the Tri-flex sleeping pad arrives at the development stage, the organization will try to keep up with piece of the pie and item separation because of expanded rivalry (Blythe, 2009). A critical differential for the Tri-flex is cost versus execution – thus an immediate showcasing effort can be done more than a while to exhibit the clinical advantages that the Tri-flex sleeping cushion has contrasted and the completely electric unique bedding. At a fifth of the expense and giving similar outcomes, this mission ought to be focused on obtainment staff who are driven on cost productivity.

In spite of this, most items fall into the downfall stage because of “substitution” items being offered, principally through improved innovation or one of a kind plan. In the example of Tri-flex, it will be both the completely powerful and ‘mixture’ sleeping pad models that see the deals of the Tri-flex make a progressive decrease lately.

To diminish circulation costs at this stage, as featured by Blythe (2009) a gather system can be taken by restricting advancement of the Tri-flex item family to chose to individual selling just – focusing on merchants that effectively work with nursing home gatherings.

This question has been answered.

Get Answer
WeCreativez WhatsApp Support
Our customer support team is here to answer your questions. Ask us anything!
👋 Hi, Welcome to Compliant Papers.