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3 years ago

What is Quantum Cryptography? How is it different from Public and Private-key transactions?

Computers and Technology

1 answer:

navik [9.2K]3 years ago

4 0

Answer:

The public key is shared, however, the private key is always kept secret for decrypting purpose. And in that manner public and private transaction takes place. However, the quantum cryptography is different, as it does the task which are supposed to be almost impossible with the help of traditional cryptography. It make use of the subtle features of the quantum mechanics like the no-cloning theoren or the Heisenberg principle of uncertainty. And that is why it is different from public and private key sort of thinking.

Explanation:

Please check the answer section.

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2 years ago

Consider the following recursive method, which is intended to return a String with any consecutive duplicate characters removed.

saul85 [17]

Answer:

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Explanation:

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3 years ago

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2 years ago

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Andreyy89

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2 years ago

The Yuba College Library would like a program to calculate patron fines for overdue books. Fines are determined as follows: Pape

mestny [16]

Answer:

Explanation:

The following Python code creates all of the necessary functions in order to request and validate all of the inputs from the user. Once everything is entered and validated it calculates the total fee and outputs it to the user. Also calls the entire class at the end using a test variable...

class Customer:

library_card = 0

patrons_name = ""

patrons_address = ""

type_of_book = ""

book_title = ""

days_overdue = 0

fee = 0.0

book_list = ['paperback regular', 'paperback best seller', 'magazine', 'hardcover']

def __init__(self):

self.library_card = self.get_library_card()

self.patrons_address = input("Patron's Address: ")

self.book_title = input("Book Title: ")

self.type_of_book = self.get_type_of_book()

self.days_overdue = float(self.get_days_overdue())

self.calculate_total()

print("Your total Fee is: " + str(self.fee))

def get_library_card(self):

library_card = int(input("Enter 4-digit library card number: "))

if (type(library_card) == type(0)) and (len(str(library_card)) == 4):

return library_card

else:

print("Invalid Card number:")

self.get_library_card()

def get_type_of_book(self):

type_of_book = input("Type of Book 1-4: ")

if (int(type_of_book) > 0) and (int(type_of_book) <= 4):

return int(type_of_book)

else:

print("Invalid Type")

self.get_type_of_book()

def get_days_overdue(self):

days_overdue = input("Number of Days Overdue: ")

if int(days_overdue) >= 0:

return days_overdue

else:

print("Invalid number of days")

self.get_days_overdue()

def calculate_total(self):

if self.type_of_book == 1:

self.fee = 0.20 * self.days_overdue

if self.fee > 8:

self.fee = 8

elif self.type_of_book == 2:

self.fee = 0.50 * self.days_overdue

if self.fee > 15:

self.fee = 15

elif self.type_of_book == 3:

self.fee = 0.25 * self.days_overdue

if self.fee > 5:

self.fee = 5

else:

self.fee = 0.30 * self.days_overdue

if self.fee > 23:

self.fee = 23

test = Customer()

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2 years ago