Define in bnf a grammar for strong password

Assignment Help Computer Engineering
Reference no: EM132137132

Strong passwords are at least 8 characters in length, contain both upper- and lower-case letters, as well as some digits and special characters. Use the requirements (specified below) for a password to define in BNF a grammar for <strong password>

A valid password must contain the following elements:

- Standard U.S. keyboard characters only (such as the letters A through Z, the numbers 0 through 9, or the special characters on the top row of the keyboard)

- A minimum of 8 characters

- A maximum of 32 characters

- At least 1 number

- At least 1 of these special characters: ! $ & * < >

Reference no: EM132137132

Questions Cloud

What beta measures : What beta measures? by what mean do you calculate beta? look for a company on the Web that your interested in and find what there beta is.
Large number of assets : Firstly a systematic risk is one that deals with a large number of assets and can also be labeled as a market risk, on the other hand a non systematic risk
Develop a copy constructor and assignment operator : Develop a copy constructor and assignment operator (and understand why!), work with C-Style strings and pointers.
What is the portfolio expected return : You invested $12,000 in a stock that has an expected return of 18% and $21,000 in a stock with an expected return of 10%. What is the portfolio's expected retur
Define in bnf a grammar for strong password : Strong passwords are at least 8 characters in length, contain both upper- and lower-case letters, as well as some digits and special characters.
What is the portfolio new beta : You want to invest an additional $10,000 in a stock that has beta equal to 2.2. After adding this, what is the portfolio's new beta?
Beta coefficient associated with a firm stock : If the beta coefficient associated with a firm's stock is 1.5, what should the stock's required rate of return be?
What are the pros and cons of shifting to oop : If structured programming promotes the creation of good code and procedural programs are easier to maintain, why do you need to shift to OOP?
What is the risk-free rate of return : If a stock has a beta coefficient of .8 and a required rate of return equal to 11%, while the market return is equal to 12.5%, what is the risk-free rate of ret

Reviews

Write a Review

Computer Engineering Questions & Answers

  Mathematics in computing

Binary search tree, and postorder and preorder traversal Determine the shortest path in Graph

  Ict governance

ICT is defined as the term of Information and communication technologies, it is diverse set of technical tools and resources used by the government agencies to communicate and produce, circulate, store, and manage all information.

  Implementation of memory management

Assignment covers the following eight topics and explore the implementation of memory management, processes and threads.

  Realize business and organizational data storage

Realize business and organizational data storage and fast access times are much more important than they have ever been. Compare and contrast magnetic tapes, magnetic disks, optical discs

  What is the protocol overhead

What are the advantages of using a compiled language over an interpreted one? Under what circumstances would you select to use an interpreted language?

  Implementation of memory management

Paper describes about memory management. How memory is used in executing programs and its critical support for applications.

  Define open and closed loop control systems

Define open and closed loop cotrol systems.Explain difference between time varying and time invariant control system wth suitable example.

  Prepare a proposal to deploy windows server

Prepare a proposal to deploy Windows Server onto an existing network based on the provided scenario.

  Security policy document project

Analyze security requirements and develop a security policy

  Write a procedure that produces independent stack objects

Write a procedure (make-stack) that produces independent stack objects, using a message-passing style, e.g.

  Define a suitable functional unit

Define a suitable functional unit for a comparative study between two different types of paint.

  Calculate yield to maturity and bond prices

Calculate yield to maturity (YTM) and bond prices

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