Bissoy.com
Doctors Medicines MCQs Q&A

Bob selects E67(2, 3) as the elliptic curve over GF(p). He selects e1 = (2, 22) and d = 4. Then he calculates e2 = d × e1 and the publicly announces the tuple (E, e1, e2). Now, Alice wants to send the plaintext P = (24, 26) to Bob and she selects r = 2. What are C1 and C2?

Bob selects E67(2, 3) as the elliptic curve over GF(p). He selects e1 = (2, 22) and d = 4. Then he calculates e2 = d × e1 and the publicly announces the tuple (E, e1, e2). Now, Alice wants to send the plaintext P = (24, 26) to Bob and she selects r = 2. What are C1 and C2? Correct Answer C1=(35,1) ; C2 =(21,44)

Alice finds the points C1= r × e1 ; C1= (35, 1), C2=P + r × e2 ; C2= (21, 44).

Related Questions

A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?
Bob selects E67(2, 3) as the elliptic curve over GF(p). He selects e1 = (2, 22) and d = 4. Then he calculates e2 = d × e1 .What is the value of e2?
Alice, Bob and Charlie are partners in a company. During a particular year Alice got one-third of the profit, Bob got one-fourth of the profit and Charlie got the rest, which is Rs. 5000. How much profit did Alice get?
Indicate the right option to search for BOB, Bob, BOb or BoB? ’ files c) grep ‘’ files d) grep -v ‘Bob’ files
Read the given passage/argument and answer the question that follows it. Riya is a hardworking girl and an actuarial science aspirant. She joined the course thinking she'll get high salaries but now she feels as if she is wasting her time. She talked to a few actuaries and got mixed reviews. After being in a confused state for a long time, she now wants to leave the course. Which one of the following, if true, will strengthen Riya's decision of leaving the course?
A 19-year-old female is admitted to the emergency department after being found unconscious. Her blood pressure is 82/50 mm Hg. She is 5'4" tall and weights 35.8 kg. She appears dehydrated and malnourished. After regaining consciousness, she reports that she has had trouble eating lately and can't remember what she ate in the last 24 hours. She also states that she has had irregular menstrual period for the past one year. She is convinced she is fat and refuses food. The nurse suspects that she is a case of
Renuka bought some chocolates for her daughters. She put them on the table and went out for her doctor's appointment. Then Ayushi came home. She took one-third of the chocolates and went to her friend's house. Then came Sadhana. She thought that she was the first one to come home. She took one-third of the remaining chocolates and went out. At last Tanya came home. Thinking that she was the first one to arrive, she took one-third of the remaining chocolates. When Renuka came back, she found 24 chocolates lying on the table. She distributed them among her daughters, ensuring everyone got an equal share of the total chocolates. How many chocolates did Renuka give to Sadhana in the end?
A sports competition was organized in a school including six sports, of which only three had to be selected under the following conditions: 1. One who selects Football had to select Cricket also and vice versa. One who selects Cricket cannot select Basketball. 2. One who selects Badminton or Tennis cannot select Volleyball. 3. If a student selects Volleyball as one of the sports, then the other two sports can be:
Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.
Namita is from the state of Kerala. She has come to Dubai to serve as a governess for the only child of the Nairs. The Nairs are nice and gentle and Namita has no cause to complain. One day she overhears something that makes her jittery. Mr. Nair is not employed in an American company as she has been told. The nature of his business is illegal. She is shocked and wants to go back to her home town to her own people. Gopal is from a very poor family. His family owns a very small piece of land that can hardly meet their food requirement. One day, Gopal gets a nice offer to work in the Emirates with a construction contractor. In order to meet the expenses on travelling, the family decides to sell their own land and send Gopal to the foreign country, to make money. On arrival, the contractor confiscates Gopal's passport and gives him a small place to live in with ten others like him. Gopal has little idea what he must do.
Namita's situation is better than that of Gopal, because she