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

Top level domain servers, TOP Level Domain  (TLD) Servers These  serve...

TOP Level Domain  (TLD) Servers These  servers are responsible  for top  level  domains such  as com org net edu, and  going  and all  the country  top level  domains  such  a

Tools that an attacker can use to crack wep, Question: Consider that yo...

Question: Consider that you have to configure a small WLAN of 8 computers using Wired Equivalent Privacy (WEP) and that you have to best make use of its available security f

What is network architecture, What is Network Architecture? When two o...

What is Network Architecture? When two or more computer are linked with one another for the purpose of communicating data electronically, besides physical connection of comput

E-NRZ, A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit ...

A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the

What is ping utility, PING - Packet Internet Gopher A utility that shows...

PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether

Explain how would pipeline the four pairs of statements, 3.  Explain how yo...

3.  Explain how you would pipeline the four following pairs of statements.  (4×5 points) a)  add $t0, $s0, $s1 beq $s1,$s2, 300 b)  add $t2, $t0, $t1 sw $t3, 36($t2) c)

Multicast extension to ospf, MOSPF MOSPF is multicast extension to OSP...

MOSPF MOSPF is multicast extension to OSPF. This protocol is extension of OSPF which is a unicast routing protocol which make MOSPF a combination of unicast and multicast prot

Name the strategies devised by ietf, Question: a) Show the shortest for...

Question: a) Show the shortest form of the following IPv6 address: 2340:0000:0000:000F:7000:119A:A001:0000 b) The IPv6 header includes a Class field and a Flow ID field. Bri

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