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 the intranet hardware and software, Explain about the Intrane...

Explain about the Intranet hardware and software Intranets not only provide a secure environment for companies but also provide an excellent working environment that is full of

Merits of message passage-shared memory, Gives excellent low-level control ...

Gives excellent low-level control of parallelism; Portable; Minimal overhead in data distribution and parallel synchronisation; and It is less error prone. Drawb

What is the equivalent layer, What is the equivalent layer or layers of the...

What is the equivalent layer or layers of the TCP/IP Application layer in terms of OSI reference model? The TCP/IP Application layer really has three counterparts on the OSI mo

Prompt ''router'', Recognize the mode reflected by the following prompt 'Ro...

Recognize the mode reflected by the following prompt 'Router '? Ans) RXBoot

Financial services - fundamentals of networks , Financial Services Tod...

Financial Services Today   financial services are totally depended  on computer network. Application includes credit history searchers foreign exchange and  investment service

Characterization of networks, CHARACTERIZATION OF NETWORKS:  There are...

CHARACTERIZATION OF NETWORKS:  There are three kinds of characterization of networks. LOCAL AREA NETWORK (LAN):  It is needed for a single building. METROPOLOTAN AREA

What is a transaction server, What is a Transaction server? With a tran...

What is a Transaction server? With a transaction server, the client includes remote procedures that reside on the server with an SQL database engine. These remote processes on

Combine subtitution and transposition, how to own cipher to encrypt and dec...

how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program

What is data link of osi model, Q. What is data link of osi model? - Th...

Q. What is data link of osi model? - The data link layer offers access to the networking media and physical transmission across the media and this enables the data to locate it

Enumerate about the star topology, Enumerate about the Star networks C...

Enumerate about the Star networks Comments: 1 - If one connection/station fails the other devices aren't affected 2 - If central hub breaks down, the whole network fail

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