What is a reasonable lifetime to use for the keys ka and why

Assignment Help Basic Computer Science

Reference no: EM131262453

1. For the protocol in Section 17.3, what is a reasonable lifetime to use for the keys KA? Why? What bad things could happen if the lifetime is longer? What bad things could happen if the lifetime is shorter?

2. For the protocol in Section 173, how might an attacker be able to learn KA before it times out? What bad things would the attacker be able to do with that knowledge? What bad things would the attacker not be able to do with that knowledge?

Reference no: EM131262453

Questions Cloud

How might an attacker be able to learn ica after times out : For the protocol in Section 17.3, consider an attacker who intercepts all communications. Can the attacker retroactively read data between Alice and Bob if KA and KB are both later exposed?

Determinants of health : After reading about all the 5 determinants of health, I have chosen to describe the Social Factors. The social health determinants encompass both the physical conditions and social factors pertaining to the environment in which individuals are bor..

What is the ethical dilemma faced by jim fielding : Horizon Corporation manufactures personal computers. The company began operations in 1999 and reported profits for the years 2001 through 2004. Due primarily to increased competition and price slashing in the industry, 2005's income statement reporte..

Related to positive outcomes in job performance : Our text suggests that the dimensions of servant leadership are related to positive outcomes in job performance, organizational commitment, and community commitment.

What is a reasonable lifetime to use for the keys ka and why : For the protocol in Section 173, how might an attacker be able to learn KA before it times out? What bad things would the attacker be able to do with that knowledge? What bad things would the attacker not be able to do with that knowledge?

What price is the fund raising committee favoring : What price is the Fund Raising Committee favoring and how many people will receive the DVD if this becomes the price of the suggested donation? Explain your answers.

Impair the ability to make reasonable estimate of returns : Many companies sell products allowing their customers the right to return merchandise if they are not satisfied. Because the return of merchandise can retroactively negate the benefits of having made a sale, List the criteria that must be met before ..

Find a new product or system that uses a dock : Find a new product or system that uses (or should use) a dock. This might be the same product or system you analyzed for Exercise 1.8. Con-duct a security review of that product or system as described in Section 1.12, this time focusing on the sec..

Senior marketing officer for a high deductible health plan : You recently have been hired as the senior marketing officer for a high deductible health plan. There are two other existing plans in the market that have been operating for the prior two years. One plan is operated by a mid-sized insurance compan..

User Account

All Pages