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 a pointer and does java support pointers, What is a pointer and doe...

What is a pointer and does Java support pointers? Pointer is a reference handle to a memory location. Improper handling of pointers leads to memory leaks and reliability issues

What is cross over cable, Q. What is Cross over cable? - Cross the crit...

Q. What is Cross over cable? - Cross the critical pair to properly transmit, align and receive signals on devices with like connections. - Pin 1 connected to pin 3 as well a

Hyper cube, Hyper Cube A Hypercube interconnection network is increamen...

Hyper Cube A Hypercube interconnection network is increament  of cube network. Hypercube interconnection network for n ≥ 3, can be distinct recursively as follow: For n = 3,

Program to use of lastprivate clause, This example illustrate the use of la...

This example illustrate the use of lastprivate clause void for_loop (int n, float *a, float *b) { int i; #pragma omp parallel { #pragma omp for lastprivate(i) for

How to configure a wireless mac filter - ccna, Configure a Wireless MAC Fil...

Configure a Wireless MAC Filter Step: Add a Mac filter. Navigate back to the web utility page of the router (http://172.17.30.1). Navigate to the Wireless section a

Research, I have a research in this topic " Mitigating DoS Attacks against ...

I have a research in this topic " Mitigating DoS Attacks against Broadcast Authentication in Wireless Sensor Networks " with simulation

Give example of the physical layer, FDDI, Token Ring and Ethernet are all p...

FDDI, Token Ring and Ethernet are all physical layer framing standards.

Describe the various fibre channel standards, Network Data Storage 1. W...

Network Data Storage 1. What is the Small Computer System Interface Architecture 2. Describe the various Fibre Channel standards. 3. What is the difficulties in building

Enumerate about the traffic policing, Enumerate about the Traffic policing ...

Enumerate about the Traffic policing Traffic policing happens when a flow of data is regulated so that cells (or frames or packets) that exceed a performance level are discarde

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