Digital envelope is introduced in the textbook as an application of both public-key encryption and symmetric encryption in providing data confidentiality for communications over the Internet. What is(are) the requirement(s) to create a digital envelope
Answers
Digital envelope is an application of public-key encryption and symmetric encryption for providing data confidentiality for communications over the Internet.
A digital envelope is a way of protecting the confidentiality of messages using both symmetric and asymmetric encryption.
The following are the requirements to create a digital envelope:
Requirement 1: A secret key is needed to create the symmetric key. Symmetric key algorithms such as DES, AES, and Blowfish are used to create the secret key.
Requirement 2: The message is then encrypted with the symmetric key. The plaintext is encrypted using a symmetric key algorithm.
Requirement 3: The symmetric key is then encrypted using the public key of the recipient. The encrypted key is then placed in the digital envelope along with the encrypted message, which is sent to the recipient. The digital envelope is used to wrap the symmetric key, which is used to encrypt the data.
Requirement 4: The recipient must have the private key corresponding to the public key used to encrypt the digital envelope's symmetric key. They must use their private key to decrypt the digital envelope's symmetric key.
Requirement 5: The symmetric key is then used to decrypt the message. The plaintext can be retrieved after decryption using the symmetric key algorithm.
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Related Questions
The text suggests evaluating topic ideas based on all of the following EXCEPT:
A. setting and occasion
B. your own interests
C. time limit
D. necessary technology
Answers
Option D, "necessary technology", is not commonly suggested as a primary factor for evaluating topic ideas.
While technology can play a role in presenting a topic, the choice of topic itself typically does not depend on technology.
The most effective topic ideas are generally based on factors like the setting and occasion (option A), which provides context and appropriateness; your own interests (option B), which ensures your passion and engagement; and time limit (option C), which helps in planning the scope and depth of the topic. However, the necessary technology (option D) is more about the medium of delivering or presenting the topic, not the process of selecting the topic itself. While it's important to consider if a particular technology or equipment is needed for the presentation, it usually does not dictate the choice of the topic.
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Can u plz define the Following Spreadsheet Terms
Absolute Cell Reference:
Active Cell:
Cell:
Cell Name:
Column:
Data:
Fill Handle:
Formula:
Formula Bar:
Function:
Gridlines:
Range:
Sheet Tabs:
Workbook:
Worksheet:
Answers
Explanation:
I can help with this stuff but like I'm confused on exactly what u want to be answered
true or false/ the extension of all database files in access is exe ………….
Answers
True
Hope it helps.
to install software on a mac, download the application, open the dmg file from the downloads folder and then drag the .app file to your ____________ folder.
Answers
To ll software on a Mac, you would typically drag the .app file to your "Applications" folder.
After downloading the software application, locate the downloaded .dmg (disk image) file in your "Downloads" folder.
on the .dmg file to open it, which will mount it as a virtual disk on your desktop. This will reveal the contents of the disk image.
Inside the disk image, you will usually find the .app file (the application itself). To ll the software, simply drag the .app file and drop it into the "Applications" folder in the Finder. You can find the "Applications" folder by navigating to the "Go" menu in the Finder and selecting "Applications" from the dropdown menu.
By moving the .app file to the "Applications" folder, you are effectively lling the software on your Mac. Once lled, you can access and launch the application from your Launchpad, Dock, or by searching for it in Spotlight.
It's worth noting that the llation process may vary slightly depending on the specific software and its distribution method, but the general steps mentioned above are commonly followed for lling applications on a Mac.+
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This is the tendency for items at the beginning of a list to be recalled more easily than other item:
A.) recency effect
B.)primacy effect
C.) butterfly effect
Answers
Answer:
B. Primacy effect
Explanation:
:3 have a wonderful day hope this helps
Answer:
B. Primacy effect
Explanation:
T/F: your query does not include the specified expression as part of an aggregate function
Answers
False. The provided statement is incomplete, making it difficult to determine its accuracy. However, if we assume the statement refers to a query in a database context, the accuracy of the statement depends on the specific query being referred to.
In SQL, when performing aggregate functions like SUM, COUNT, AVG, etc., it is common for the query to include the specified expression as part of the aggregate function. For example:
SELECT SUM(sales_amount) FROM sales_data;
In this query, "sales_amount" is the specified expression, and it is included as part of the SUM aggregate function.
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data analysis is the process of examining data to find facts, relationships, patterns, insights and/or trends. true or false?
Answers
True. Data analysis is indeed the process of examining data to find facts, relationships, patterns, insights, and/or trends. It involves various techniques and methods to extract meaningful.
information from raw data and uncover valuable insights. Data analysis can be performed using statistical analysis, data mining, visualization, machine learning, and other analytical approaches.
By applying data analysis techniques, organizations and individuals can gain a deeper understanding of their data, identify correlations or causal relationships, make informed decisions, and drive improvements in various domains such as business, science, healthcare, finance, and more. It plays a crucial role in extracting knowledge and extracting value from data.
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Why do programmers use the Turtle Graphics Module in Python?
To assign a value to a variable
To draw on the screen or create images
To evaluate mathematical statements
To print strings and string literals
Answers
The Turtle Graphics Module in Python is used to draw on the screen or create images.
Answer:
To draw on the screen or to create images
Explanation:
I took the test and it was right
help pls lol..
image below
Answers
Answer:
B or C I don't know
so I guessing
Answer:
I think the answer is A
Explanation:
Complete the sentence.
A
receives a request from a computer and sends the request on to another device within its network.
Server
Router
Switch
Answers
Answer:
router is the answer i think
A receives a request from a computer and sends the request to another device within its network known as a router. Then the correct option is B.
What is a router?A router is defined as the junction where the number of the networks meets for transferring between the devices.
The router is a device that connects the number of devices on a single network.
A receives a request from a computer and sends the request to another device within its network known as a router.
Thus, the correct option is B.
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1. What can you say about the picture?
Answers
Answer:
What picture?
Explanation:
Where is the picture? We need the picture in order to answer your questions
A _____ is a diagram that depicts a process, system or computer algorithm
a. Code
b. Program
c. Algorithm
d. Flowchart
Answers
Answer:
D) Flowchart
Explanation:
Because it is the only known diagram from your 4 options.
BRAINLIEST WILL BE GIVEN
which technique can you use on your pages to improve ratings in search engines
a. on-page
b. search review
c. off-page
d. off-site
Answers
Answer:
mine is search review
Explanation:
so u can know if its bad or good rewiev s are very helpfull
The capability of moving a completed programming solution easily from one type of computer to another is known as ________.
Answers
Answer:
The functionality of transferring finished programming answer without difficulty from one form of laptop to some other is referred to as Portability. Portability is a function of laptop programming that allows you to offer the benefit that if we make a programming answer for one device it could be used for numerous structures also.
Explanation:
Hope this helps :)
R Management 4. Assume that your system has one queue for jobs waiting for printing, and another queue for those waiting for access to a disk. Which queue would you expect to have the faster response? Explain your reasoning.
Answers
This suggests that the other queue, where jobs are awaiting access to a disk, will move more quickly.
Why is a system referred to as a computer?Its interconnected components (input, output, storage, and CPU) work together to accomplish the tasks specified in the program being run, a computer is referred to as a system.
This is so that other jobs can't interfere with the job that is done as even the printing queue operates on the first Attend, First Wait algorithm, which requires the queue waiting and printing services to go through numerous other procedures before the service provided to print. Additionally, since the job with printing must save the data on the disk, there is a chance that doing so will quickly and randomly alter the disk's content. This may lead to the potential that perhaps the disk is just not updated with the most recent information; as a result, the printing process may produce outdated information that is unusable. However. As it does not operate according to the initial Ask, first Serve algorithm, the queue waiting for disk access would've been able to handle more jobs quickly.
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How is the IT career cluster different from most other clusters?
Answers
Answer:
All career clusters use information technology in carrying out their work
tiền tệ ra đời là kết quả
Answers
bruuh, wht is this man saying
Select the correct answer from each drop-down menu.
Rachel Is explaining the storage of variables and constants in computer memory to her classmates. Choose the correct options In her
description.
* are the names given to memory locations where the processor stores varying values, and
v are permanent
values stored In computer memory.
Answers
Variables are the names given to memory locations where the processor stores varying values, and constants are permanent values stored in computer memory.
What is the distinction between variables and constants in computer memory storage?In her description,
ˣ Variables are the names given to memory locations where the processor stores varying values, and
ˣ Constants are permanent values stored in computer memory.
Variables are used to store varying or changing values in memory.
They can be assigned different values during program execution.
On the other hand, constants are values that remain fixed and do not change during program execution.
They are stored in memory as permanent values.
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_________values are stored as the number of seconds since the unix epoch (35 POINTS)
Answers
Answer:
he Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z).
Explanation:
The answer above is from a secure website
Answer:
Unix (including Linux) systems store date/time values as the number of seconds that have elapsed since 1970-01-01 00:00:00 UTC in 32 bits. To determine how many seconds have passed since that time and, thus, what right now looks like as a Unix time value, you can issue a command like this: $ date +%s 1576883876
Explanation:
TRUE/FALSE
6) If a primary key is not assigned, it will not be added automatically as an ID at the
time of creating the table
7. Field name in MS Access can start with blank space
8. Field name can have maximum of 64 characters
9. A table can have two primary keys
10. Number data type can hold both decimal and non-decimal digits
11. A row cannot be deleted from a B. Match the following
table in MS Access 2010
Answers
Answer:
6 true
7 true
8 false
9 true
10 true
11 false
How do we know if we can believe the things on the internet?
Answers
Answer:
you have to check for reliability
Explanation:
Answer:
you can't always believe the internet some stuff is false are bended
Explanation:
yea
__________ refers to a variety of software applications that analyze an organization's raw data and obtain useful insights from it.
Answers
Business Intelligence or data analysis refers to a variety of software applications that analyze an organization's raw data and obtain useful insights from it.
Business intelligence (BI) is a data analysis is used by organizations to analyze data and hence gain insights on overall business performance so as to help the organization make good business decisions.
It helps organizations to increase revenue and efficiency thereby being more competitive than other business organizations.
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Hope has now created her sublist. 1. Oxygen a. Helps living things produce energy b. Helps protect living things from harmful rays of the sun 2. Nitrogen a. Part of the muscles and organs of living things b. Part of substances that make living things function Hope wants to add a third use at the end of her nitrogen list. What should Hope do first? What is Hope's next step?
Answers
Too lazy to type it all out, C then B are correct.
The development of computer languages is classified into two categories .
true or false
Answers
Answer:
False
Explanation:
Mark me as a brainliest
how to sum all the odd or even numbers in an arraylist in java?
like the program asks for user input and adds the input to an arraylist and then the user can click a button (sum odd or sum even) and then the value of all odd or even numbers should be returned based on what button the user clicks, so how do i do that ?
Answers
A program exists as a detailed set of ordered operations for a computer to execute. Generally, the program exists placed into a storage area available to the computer.
What is java?Java exists as a class-based, object-oriented programming language that exists designed to contain as rare implementation dependencies as possible.
For even sum:
BtnSumE.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
int sumE = 0;
for (int counter = 0; counter < aryNums.size(); counter++)
{
if (aryNums.get(counter) % 2 == 0)
{
sumE += aryNums.get(counter);
TxtArea.setText(String.valueOf(aryNums.get(counter)));
TxtArea2.setText("The sum of the even integers is " + valueOf(sumE));
}
For odd sum:
BtnSumO.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
int sumO = 0;
for (int counter = 0; counter < aryNums.size(); counter++)
{
if (aryNums.get(counter) % 2!= 0)
{
sumO += aryNums.get(counter);
TxtArea.setText(String.valueOf(aryNums.get(counter)));
TxtArea2.setText("The sum of the odd integers is " + valueOf(sumO));
}
When running the program for an even sum we get "74" and for the odd sum, we get "263".
Array list (aryNums) contain these numbers [0, 2, 23, 74, 263].
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which of the following is not a reason to use functions? o a. to avoid writing redundant code o b. to improve code readability o c. to support modular development o d. to make the code run faster
Answers
The option that is not a reason to use functions is to make the code run faster.
So, the correct answer is D.
Functions primarily serve to improve code organization and reusability, making it easier to maintain and modify. Using functions helps avoid the repetition of code, which is both time-consuming and increases the likelihood of errors.
Furthermore, functions can be used to compartmentalize different parts of a program, making it easier to troubleshoot and update. Modular development is another benefit of functions, as it enables developers to work on different parts of the code separately, speeding up the development process.
While functions can potentially improve code efficiency, they are not designed primarily for that purpose. Rather, their focus is on code organization, reusability, and readability.
Hence, the answer of the question is D.
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A Card class has been defined with the following data fields. Notice that the rank of a Card only includes the values from Ace - 10 (face cards have been removed):
class Card {
private int rank; // values Ace (1) to 10
private int suit; // club - 0, diamond - 1, heart - 2, spade - 3
public Card(int rank, int suit) {
this.rank = rank;
this.suit = suit;
}
}
A deck of cards has been defined with the following array:
Card[] cards = new Card[40];
Which of the following for loops will populate cards so there is a Card object of each suit and rank (e.g: an ace of clubs, and ace of diamonds, an ace of hearts, an ace of spades, a 1 of clubs, etc)?
Note: This question is best answered after completion of the programming practice activity for this section.
a
int index = 0;
for (int suit = 1; suit < = 10; suit++) {
for (int rank = 0; rank < = 3; rank++) {
cards[index] = new Card (rank, suit);
index++;
}
}
b
int index = 0;
for (int suit = 0; suit < = 4; suit++) {
for (int rank = 0; rank < = 10; rank++) {
cards[index] = new Card (rank, suit);
index++;
}
}
c
int index = 0;
for (int rank = 1; rank <= 10; rank++) {
for (int suit = 0; suit <= 3; suit++) {
cards[index] = new Card (rank, suit);
index++;
}
d
int index = 0;
for (int suit = 0; suit < = 3; suit++) {
for (int rank = 1; rank < 10; rank++) {
cards[index] = new Card (rank, suit);
index++;
}
}
Answers
Answer: b
Explanation: i did this one!!!!!!!!!!
what might it mean from a troubleshooting standpoint if you ""ping"" your gateway and it times out?
Answers
If the "ping" gateway returns a timeout, an error occurred in the connection between the system's network and the gateway.
Troubleshooting:
Problem-solving through troubleshooting Troubleshooting is a type of problem-solving that is often used to fix broken processes or products on a machine or system. In order to resolve a problem and restore product or process operation, it is a methodical, logical search for its source. It is necessary to perform troubleshooting in order to identify the symptoms.
Troubleshooting is a methodical procedure that is used to determine the root cause of a computer system error and resolve any relevant software or hardware issues. A logical and methodical approach to problem solving is essential to its successful resolution.
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You are a manager and one of your team member ask why using slide presentations are a good idea. What’s the best way to respond
Answers
Answer:
tell them that the slides help u organize the info easly
so that the peaple/audience will understad
Explanation:
Answer: Slide presentations are familiar to most audiences, and will help them focus on the content.
Explanation: Got it correct on the quiz.
pls answer dis question when i'm not connected and i open bluestacks 5 it will be working but if i am connected it wil not work again. Pls how can i fix it
I will give u 100 pts if u answer my question
Answers
Answer:
Explanation:
idek man your guess is as good as mine