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

What is frequency diversity, What is Frequency diversity Due to the tra...

What is Frequency diversity Due to the transmission is spread out over a larger bandwidth, frequency-dependent transmission impairments, like as noise bursts and selective fadi

What is stop-and-wait protocol, What is Stop-and-Wait Protocol? In Stop...

What is Stop-and-Wait Protocol? In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends

What is a java package, What is a Java package and how is it used? A J...

What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes

What is medium access control of ethernet, What is Medium Access Control of...

What is Medium Access Control of Ethernet? The set of rules which make sure that each node in an Ethernet gets a fair amount of frame transmission opportunity, are known as the

Network interface hardware, NETWORK INTERFACE HARDWARE:  CPU can't ope...

NETWORK INTERFACE HARDWARE:  CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connection

Butterfly permutation, Butterfly permutation This permutation is gettin...

Butterfly permutation This permutation is getting by interchanging the important significant bit in address with smallest significant bit.

Command to disable cdp on an interface, Recognize the command to disable CD...

Recognize the command to disable CDP on an interface Ans) Router(config-if)# no cdp enable

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