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 about lan, What is a LAN? A LAN is a Local Area Network, within...

What is a LAN? A LAN is a Local Area Network, within a single building or a specific confined space. LANs typically comprise only one transmission media type like coaxial cable

Explain about virtual circuit switching, Q. Explain about Virtual Circuit S...

Q. Explain about Virtual Circuit Switching? Virtual Circuit Switching - All packets belong to a message (or) session is preserved. - Single route is selected between s

Encryption authentication - point to point , Encryption Authentication ...

Encryption Authentication One common  technique  used to encrypt and authenticate in VPNs is IP security. IP sec  is a collection of protocols designed by the IETF( Internet En

Explain short term and medium-term scheduling, What are short, long and med...

What are short, long and medium-term scheduling? Long term scheduler verifies which programs are admitted to the system for processing. It controls the degree of multiprogrammi

What are the control frames for lost tokens, Control Frames for Lost Tokens...

Control Frames for Lost Tokens If station goes down ... token lost Predecessor listens for data frame or token Noticing none, retransmits token Sends whofoll

TRAFFIC CONGESTION, Can I get help for data analysis on traffic congestion ...

Can I get help for data analysis on traffic congestion using GIS

Write down the purpose of arp?, Address Resolution Protocol resolves the MA...

Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.

Connectionless service, In connectionless schema, there is no connection re...

In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item

Define the distance vector routing, Q. Define the Distance Vector Routing? ...

Q. Define the Distance Vector Routing? Distance Vector Routing Every router periodically shares its knowledge about the entire internet with its neighbours Sharing

Assignment help, Hello there i have an assignment in Data communication an...

Hello there i have an assignment in Data communication and networks. I have done most of the assignment but i am stuck in one part which is designing a network in a university cam

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