Create-BulkRandomPasswords.ps1

# Name: Create-BulkRandomPasswords.ps1
# Author: James Schlackman
# Last Modified: Nov 11 2017
#
# Creates a text file containing a bulk number of passwords made up of a specified length of random
# alphanumerics and special characters.

$PassLength = 16
$NumPasswords = 253
$OutputPath = "BulkRandomPasswords.txt"

# Define allowed characters

$UpperCase = "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"
$LowerCase = "a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"
$Numbers = "1","2","3","4","5","6","7","8","9","0"
$Special = "!","$","%","&","(",")","*","+","-","/",":",";","<","=",">","?","@","[","\","]","^","_","{","}","~"

$AllChars = $UpperCase + $LowerCase + $Numbers + $Special

# Initialize array to store the passwords
$NewPasswords = @("") * $NumPasswords

# Fill each array element with a random password of the specified length
For ($PassCount = 0; $PassCount -lt $NumPasswords; $PassCount++) {

    $NewPass = ""
    While ($NewPass.Length -lt $PassLength) {$NewPass = $NewPass + (Get-Random $AllChars)}
    $NewPasswords[$PassCount] = $NewPass

}

# Output array to file
$NewPasswords | Out-File -FilePath $OutputPath