Cipher password guess-cryptography, Computer Networking

Assignment Help:

a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible?

b. Suppose a system requires passwords be 8 characters long, include at least one capital letter, at least one digit and at least one character from the set of 5 special characters { !,#,%,&,*} . What advantage does this provide an attacker who is trying to guess a password?

 

 


Related Discussions:- Cipher password guess-cryptography

Difficulties in internetwork communication, Q. Difficulties in Internetwork...

Q. Difficulties in Internetwork Communication? - Data arrive at interface f1 of s1 - How does s1 know that they must be sent out from interface f3? - There is no provisio

Parts count method calculation, M E T HOD OF CALCULATION It involves...

M E T HOD OF CALCULATION It involves counting the number of each part type and multiplying with the generic failure rate of each part. On summing up the product, we obtain t

Sketch the output waveform square wave that symmetrical, Question: The ...

Question: The input to the circuit in the figure is a square wave that is symmetrical about 0V. Sketch the output waveform.

Timesharing system, advantages and disadvantages of time sharing system

advantages and disadvantages of time sharing system

What is difference between igp and eigrp, IGP= Interior gateway routing pro...

IGP= Interior gateway routing protocol and EIGRP= Enhanced Interior Gateway routing protocol IGP = use in one Autonomous and EIGRP = use with many autonomous

Explain the term - primary memory and hard disk, Explain the term - primary...

Explain the term - primary memory and hard disk A peculiar situation arises when the existing server arrives at a stage when it cannot handle the requests quickly and most of i

Electronic cheques, Electronic Cheques   Another mechanism for Internet p...

Electronic Cheques   Another mechanism for Internet payment is electronic cheques. With electronic cheques, the payer (either an individual consumer or a business) instructs his

Types of ends in wan, There are two types of ends in WAN (1)DTE (DATA TE...

There are two types of ends in WAN (1)DTE (DATA TERMINAL EQUIPMENT) (2)DCE(DATA COMMUNICATION EQUIPMENT)

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd