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

Explain concept of permutation network, Concept Of Permutation Network ...

Concept Of Permutation Network In permutation interconnection networks the information transfer necessitates data transfer from input set of nodes to output set of nodes and po

What is exterior gateway protocol, What is EGP (Exterior Gateway Protocol)?...

What is EGP (Exterior Gateway Protocol)? It is the protocol the routers in neighboring autonomous systems use to recognize the set of networks that can be reached within or by

Describe encapsulating, Can you describe encapsulating, carrier and passeng...

Can you describe encapsulating, carrier and passenger protocol?

Ip checksum, This code properly implements the IP checksum function on a 32...

This code properly implements the IP checksum function on a 32-bit machine: unsigned short cksum(unsigned short *buf, int count) { unsigned long sum = 0; while (count--) { sum += *

Define about the term - hackers, Define about the term - hackers Every ...

Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are

Operating system for server, Operating system for Server Since 1994, w...

Operating system for Server Since 1994, when the original pair of web servers - NCSA HTTPd and CERN HTTPd , were proposed, dozens of commercial and shareware programs have

What is remote procedure call, What is Remote Procedure Call (RPC)? RPC...

What is Remote Procedure Call (RPC)? RPC hides the intricacies of the network by using the ordinary process call mechanism familiar to every programmer. A client process calls

Firewalls, Firewalls Firewalls emerged as a new technology in 1990s but...

Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des

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