Please help me with this question! 6- Certificates and PKI- (10 points.pdf
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Please help me with this question! 6. Certificates and PKI. (10 points) In this question, we assume that all public keys are known to everyone. Alice attempts to send a large file to Bob. Alice wants to ensure that only Bob sees the content. They followed a protocol as below to exchange the file: a) Alice and Bob use the Diffie- Hellman key exchange to generate a session key K . b) Alice encrypts the file F with Bob's public key to obtain F . c) Alice encrypts F with K to obtain F . d) Alice sends F to Bob. 6.2. Is this protocol efficient? If it is not efficient, please explain the reasons..
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import java.io.File;
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import java.io.IOException;
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System.out.println("4. Display course");
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case 4:
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System.out.print("Enter student state: ");
String state = input.next();
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Duong Geoffrey 29922
Fazekas Nicholas 31100
Prezioso Stefano 22223
Puvvada Mohana 11224
Ravikumar Rakhi 11226
Salyers Matthew 11227
Gillespie William 49587
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Beckman Allan 35176
Wang Zhen 22113
Wingett Jordan 12345
Belt Keith 34987
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Saunders Jordan 77556
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everything they wast b. secial choices about what, bow and for whom to produce must be mase c.
there will be more goods produced than services d. there will be move services prodoced than
goods 2. The average hourly eanings of private sector werlen in 1995 was $10 compured to 57 in
1985 . The CPI for 1975 was 125 assuming 1985 was the base year. Bued on this information,
ahich of the following is true? a. The real wage fell by $1 between 1985 and 1995 b. The real
wage was conitunt between 1955 and 1995 c. The real wage nore by 51 between 1985 and 1995
d. The teal wage core by $4 tetween 1985 asd 1995 3. Which of the folleaing is NOT an
eppertunity cost to Rossia should it deploy moee troeps and military penenenel to fight the wat in
Ukraine? a. The bon-defease goods and services that soldiers and echer malitary pervoneel could
be peodocing for the Rusian peuple. b. The non-defesse goods and ervices that woldiers and
oeher military pernoneel could be producing for ULainians. c. The additional Lasd and other
natural reveutces that Rassia would control if their military invavion is vuccesfal. d. The loss of
humas revesecs to Rosian and Ukrane if the miltary cosfict esealates. 4. In Figure 3-4 above,
which of the following statemeas is true? 1. A shift is the peoduction possivalities frostict
indicated by point B to the trontier indicated by points D , A and C could be caused by seay at
banke oeders and business lockdowns that forbid people froem going to wotk II. Operating at
poias E indicates the ecooouny is eithet nos fully employ ing its avalable reseurces or is
isefficiently utilining its availalMe teweafes Ii. A shift in the prodaction possibilities frontief
indicated by points D , A and C to the frontier indicated by point B coeld be created by
ievedences in new techaologies asd/or bumas capital. a. I and II b. I and III c. Il and III d. 1. II
and III 5. In Figure 3-4 above, for which of the folloning would this statcment te true: -To get
more guns, we have to give vp some butiet." A movemeat from a. E to A b. A toE c. A to D d. A
A C C.
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commuter rail lines and were overwhelmingly white. Every morning, multiple trains pass
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treatment and one was randomly assigned to be a control. The treatment in this experiment was
the presence of two native Spanish-speaking 'confederates' (a term used in experiments to
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platform each morning prior to a treatment train's arrival. The presence of these confederates was
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the numberim.post variable (do not take the absolute value). Second, calculate the mean change
in at.
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A. HAT complex
B. HDAC complex
C. Transcription repressor complex
D. HAT complex and HDAC complex
E. HDAC complex and transcription repressor complex.
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would require tickei from T6. \& session key. + 2.5 7.2 Eve also intercepted the ticket sent from
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Circle.java
-Make the 'color' attribute private
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is instantiated.
-add any missing setters or getters for the radius and color attributes.
-Add method that returns the area of the shape.
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$6 ..
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is one general partner with a 50% interest. In Year 1, the partnership purchased an office
building to rent and incurred a nonrecourse debt of $100,000 to a bank paying interest for only 5
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and a loss of $200,000 in Year 2. How much can Jill deduct each year, ignoring any passive loss
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Java Program
I keep receiving the following error in my code. Can you please fix this error and test to make
sure it does not show a error? I've placed bracets but keep receiving the error "reached end of file
while parsing private static void displayStudent()" See below
Error:
sh -c javac -classpath .:target/dependency/* -d . $(find . -type f -name '*.java')
./Main.java:121: error: reached end of file while parsing
private static void displayStudent()
^
1 error
exit status 1
------------------------------------------
Code:
import java.util.Scanner;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
public class StudentCourseProgram {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int choice;
do {
System.out.println("Please choose an option:");
System.out.println("1. Add student");
System.out.println("2. Add course");
System.out.println("3. Display student");
System.out.println("4. Display course");
System.out.println("5. Exit");
choice = input.nextInt();
switch (choice) {
case 1:
addStudent();
break;
case 2:
addCourse();
break;
case 3:
displayStudent();
break;
case 4:
displayCourse();
break;
case 5:
System.out.println("Exiting program...");
break;
default:
System.out.println("Invalid option. Please try again.");
}
} while (choice != 5);
}
private static void addStudent() {
Scanner input = new Scanner(System.in);
System.out.println("Adding a student...");
System.out.print("Enter student ID: ");
int id = input.nextInt();
System.out.print("Enter student first name: ");
String firstName = input.next();
System.out.print("Enter student last name: ");
String lastName = input.next();
System.out.print("Enter student address: ");
String address = input.next();
System.out.print("Enter student city: ");
String city = input.next();
System.out.print("Enter student state: ");
String state = input.next();
System.out.print("Enter student zip code: ");
int zip = input.nextInt();
try {
FileWriter writer = new FileWriter("student.txt", true);
Scanner reader = new Scanner(new File("student.txt"));
while (reader.hasNextLine()) {
String line = reader.nextLine();
String[] parts = line.split(",");
if (Integer.parseInt(parts[0]) == id) {
System.out.println("Error: Student with that ID already exists.");
return;
}
}
writer.write(id + "," + firstName + "," + lastName + "," + address + "," + city + "," + state + "," +
zip + "\n");
System.out.println("Student added successfully.");
reader.close();
writer.close();
} catch (IOException e) {
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}
}
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Scanner input = new Scanner(System.in);
System.out.println("Adding a course...");
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System.out.print("Enter course name: ");
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try {
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Scanner reader = new Scanner(new Fil.
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Java
Create a java program that allows students to log on to a system using their Student ID number
and
password after validating and comparing their Student ID number and password to elements of a
file to gain access to a blank menu with any two option of your choice
The program should include:
GUI
Comments
Array List (populated with sample student data)
files
Logging service
Serialization
Exception handling
Searching file
Reading from file.
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What to do: We have discussed the details of this assignment in class. Basically, you are to
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should use the "next" link in each node, printing out in reverse order should employ the "prev"
link. NOTE: When printing out records, print out ALL fields (ID, first name and last name).
*****************************
DATA FILE BELOW:
Dunn Sean 31111
Duong Geoffrey 29922
Fazekas Nicholas 31100
Prezioso Stefano 22223
Puvvada Mohana 11224
Ravikumar Rakhi 11226
Salyers Matthew 11227
Gillespie William 49587
Hess Caleb 29282
Armatis Jared 34512
Beckman Allan 35176
Wang Zhen 22113
Wingett Jordan 12345
Belt Keith 34987
Bixler Tyler 22234
Chambers Quentin 22567
Chinni Adithya 28456
Donheiser Michael 28456
Kondrashov Mikhail 33331
Kraus Laura 33332
Krupp Phillip 49888
Maass John 44112
McCarty Amanda 44223
Moldovan Gregory 44335
Oshiyoye Adekunle 44556
Pagalos Frank 33112
Perski Zackery 33221
Saunders Jordan 77556
Simpson Ashlynne 77665
Szalai Kyle 33112
Witting Robert 21354.
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In the figure below, depict both of these changes (the increase in U.S. savers and the recession in
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wage was conitunt between 1955 and 1995 c. The real wage nore by 51 between 1985 and 1995
d. The teal wage core by $4 tetween 1985 asd 1995 3. Which of the folleaing is NOT an
eppertunity cost to Rossia should it deploy moee troeps and military penenenel to fight the wat in
Ukraine? a. The bon-defease goods and services that soldiers and echer malitary pervoneel could
be peodocing for the Rusian peuple. b. The non-defesse goods and ervices that woldiers and
oeher military pernoneel could be producing for ULainians. c. The additional Lasd and other
natural reveutces that Rassia would control if their military invavion is vuccesfal. d. The loss of
humas revesecs to Rosian and Ukrane if the miltary cosfict esealates. 4. In Figure 3-4 above,
which of the following statemeas is true? 1. A shift is the peoduction possivalities frostict
indicated by point B to the trontier indicated by points D , A and C could be caused by seay at
banke oeders and business lockdowns that forbid people froem going to wotk II. Operating at
poias E indicates the ecooouny is eithet nos fully employ ing its avalable reseurces or is
isefficiently utilining its availalMe teweafes Ii. A shift in the prodaction possibilities frontief
indicated by points D , A and C to the frontier indicated by point B coeld be created by
ievedences in new techaologies asd/or bumas capital. a. I and II b. I and III c. Il and III d. 1. II
and III 5. In Figure 3-4 above, for which of the folloning would this statcment te true: -To get
more guns, we have to give vp some butiet." A movemeat from a. E to A b. A toE c. A to D d. A
A C C.
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