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password-generator.md

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Password Generator

Objective: Create a password generator that can create a secure password.

It should be possible to generate a password by calling a method—you may choose the method signature for this. The method should return a string containing the new password.

This generation method should accept the following options which define the requirements of returned passwords:

  • length — (integer) length of the generated password
  • uppercase — (boolean) include one or more uppercase A-Z characters
  • lowercase — (boolean) include one or more lowercase a-z characters
  • number — (integer) exact number of numeric 0-9 characters
  • special — (integer) exact number of special @%!?*^& characters

The function should produce an error in the event of invalid options.

External libraries are allowed for testing purposes. The actual password generation code however should be implemented in your code, and not simply call out to an external library that generates passwords for you.

The code should be packaged as a library/module which could be included into other libraries and applications.

Tests should be included to verify that the code works as intended.

Documentation should be included to demonstrate how to use the library. A well written README is more than sufficient. Please add some notes about how you approached the problem, and any difficulties or issues you encountered during development.

Push the library into a private repository on GitHub and invite @js1300 and @jpswade with read access.