How many secret keys are needed if everyone trusts president

Assignment Help Computer Engineering

Reference no: EM131907110

Problem

A small private club has only 100 members. Answer the following questions:

a. How many secret keys are needed if all members of the club need to send secret messages to each other'?

b. How many secret keys are needed if everyone trusts the president of the club? If a member needs to send a message to another member, she tint sends it to the president'. the president then sends the message to the other member.

c. How many secret keys are needed if the president decides that the two members who need to communicate should contact him first. The president then creates a temporary key to be used between the two. The temporary key is encrypted and sent to both members.

Reference no: EM131907110

Questions Cloud

Find the required return for the overall stock market : What is the required rate of return on a stock with a beta of 0.8? Round your answer to two decimal places.

Significance to validate coca-cola claim : Is there sufficient evidence at the 5% level of significance to validate Coca-Cola's claim?

What type of attack did the archeologists use : Some archeologists found a new script written in an unknown language. They were able to read the original script What type of attack did the archeologists use?

Enforcing laws concerning weights and measures : A federal agency responsible for enforcing laws concerning weights and measures routinely inspects packages to determine

How many secret keys are needed if everyone trusts president : How many secret keys are needed if everyone trusts the president of the club? If a member needs to send a message to another member.

What is the average accounting return : A project has an initial cost of $40,000 and a four-year life. The company uses straight-line depreciation to a book value of zero over the life of the project.

What is the probability of two buddies sitting : There are 90 students sitting in a line. Each student has a buddy therefore making 45 pairs. What is the probability of two buddies sitting together?

Find the approximate annual rate of return compounded annual : Sailor Sam needs to have $15,000 at the end of 5 years to fulfill his dream of buying a small sailboat.

List four kinds of cryptanalysis attacks : List three mono alphabetic ciphers. List three polyalphabetic ciphers. List two transposition ciphers. List four kinds of cryptanalysis attacks.

User Account

All Pages