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

Define routing, Define Routing? The process of determining systematical...

Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.

Ftp and ftp application layer protocols, What is the difference between TFT...

What is the difference between TFTP and FTP application layer protocols? Ans) TFTP - Trivial File Transfer Protocol A stripped down version of FTP, easy to use and fast. TFTP

Categories of networks, Distance covered, Based on size, ownership and phys...

Distance covered, Based on size, ownership and physical architecture - LAN (Local Area Network) - Suitable for smaller geographical area - MAN (Metropolitan Area Network) - S

Define ring topology, Q. Define Ring Topology?  Dedicated point-to-poi...

Q. Define Ring Topology?  Dedicated point-to-point arrangement to neighbours  Signal is conceded from device to device until it reaches destination  Every device functio

Define the types of computer network, Define the Types of Computer Network ...

Define the Types of Computer Network Computer networks fall into three classes regarding the size, distance and the structure namely: LAN (Local Area Network), MAN (Metropolita

Write the concept of simplex, Describe Concept of Simplex, Half Duplex and ...

Describe Concept of Simplex, Half Duplex and Full Duplex dialogs?

Classless addressing over classfull addressing scheme, What is the benefit ...

What is the benefit of using classless addressing over classfull addressing scheme?

Security, .test a number to be prime number in network security

.test a number to be prime number in network security

What is oltp, In the transaction server, the client component usually consi...

In the transaction server, the client component usually consists of GUI and the server components usually having of SQL transactions against a database. These applications are know

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