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 different network structures in use, Computer Networking 1. Exp...

Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer

Why do we require a subnet mask? , If the host has the subnet ID why do we ...

If the host has the subnet ID why do we require a subnet mask?

Tcp-ip routing architecture, Q. Explain TCP-IP Routing Architecture? ...

Q. Explain TCP-IP Routing Architecture? The TCP/IP routing architecture looks extremely much like the OSI routing architecture. Hosts utilize a discovery protocol to o

State the example of security audit as case study, State the Example of sec...

State the Example of security audit as case study Linda narrates one of her experience about a security audit. She was performing a spot audit where she was checking certain

Install, how to install xp via network

how to install xp via network

What is meant by 3-tier architecture, In 3-tier Client/Server systems, the ...

In 3-tier Client/Server systems, the application logic (or process) lives in the middle tier and it is removed from the data and the user interface. In theory, the 3-tier Client/Se

Categories of networks, Distance covered, Based on size, ownership and phys...

Distance covered, Based on size, ownership and physical architecture - LAN (Local Area Network) - Suitable for smaller geographical area - MAN (Metropolitan Area Network) - S

Components of the vpn - point to point , Components of the VPN When  us...

Components of the VPN When  using  VPN we incorporate many pieces of a jigsaw puzzle each piece services its own  function to private  the interoperation and the  security  nec

Explain about horn antenna, Q. Explain about Horn Antenna? - Outgoing t...

Q. Explain about Horn Antenna? - Outgoing transmissions broadcast by a stem and deflected outward - Received transmissions collect by a scooped part of the horn and deflecte

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