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 the concept of fragmentation, Fragmentation - Wireless environm...

Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency

Determine the names of network installation, Determine the names of Network...

Determine the names of Network installation ? Buying the components ? Cabling the network ? Installation of networking components such as hubs, switches, routers, gateway

Software overheads in parallel programming , Besides these hardware overhea...

Besides these hardware overheads, there are certain software overheads imposed by libraries, parallel compilers, tools and operating systems. The parallel programming languages

Explain the get and set snmp operations, Question 1 Explain the basic comm...

Question 1 Explain the basic communication model with its block diagram Question 2 List and explain the functions of network monitoring Question 3 Explain the get and se

Subscriber database - computer network, Subscriber Database Core ne...

Subscriber Database Core network  also hosts  the subscribers  database ( for e, g HLR in GSM systems). Subscriber  database  is accessed by core  network  nodes fro  funct

Source to destination data transfer - datagram approach, Source to Destinat...

Source to Destination Data Transfer - Datagram approach - Each packet is treated independently. - Every pkt will take its own path to reach the destination. - There i

Processor arrangements-array, Processor Arrangements It is a very frequ...

Processor Arrangements It is a very frequent event in data parallel programming to group a number of processors to perform definite tasks. To reach this goal, HPF gives a direc

What are main types of networks and explain, a)  Peer-to-Peer Network Co...

a)  Peer-to-Peer Network Computers can act as both servers sharing resources and as clients using the resources. b)  Server-based Network Give centralized control of netwo

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