Create a self signed SSL certificate

Create and install a self signed SSL certificate (with the SelfSSL7 utility)

<#
.SYNOPSIS
    SelfSSL - Create and install a self signed SSL certificate.
.NOTES
    File Name  : SelfSSL.ps1
    Author     : Fabrice ZERROUKI - fabricezerrouki@hotmail.com
.EXAMPLE
    PS D:\>SelfSSL.ps1
#>
Param(
    [Parameter(Mandatory=$true, HelpMessage="You must provide a website name.")]
    [string]$Website
    )

$IPAddress = Get-WmiObject Win32_NetworkAdapterConfiguration | Where { $_.DefaultIPGateway -ne $null } -ErrorAction SilentlyContinue
$IP = $IPAddress | % {$_.IPAddress}
$TempFolder = "D:\DOWNLOADED_APPLICATIONS"
if(!(Test-Path $TempFolder)) {New-Item -Path $TempFolder -Type directory}
$SelfSSL7 = "D:\DOWNLOADED_APPLICATIONS\selfssl7.exe"

Function Unzip($ZipFile, $UnzipPath) {
    $ShellApplication = New-Object -com Shell.Application
    $ZipPackage = $ShellApplication.NameSpace($ZipFile)
    $DestFolder = $ShellApplication.NameSpace($UnzipPath)
    $DestFolder.CopyHere($ZipPackage.Items()) 
}

if (!(Test-Path ($SelfSSL7))) {
    # Download the SelfSSL7 utility
    Write-Host "Downloading selfssl7 utility..." -ForegroundColor DarkGreen;
    $src = "http://blogs.iis.net/blogs/thomad/SelfSSL7.zip"
    $dest = "D:\DOWNLOADED_APPLICATIONS\SelfSSL7.zip"
    $wc = New-Object System.Net.WebClient
    # Uncomment the next 2 lines if you have to use the IE configured proxy
    #$wc.UseDefaultCredentials = $true
    #$wc.Proxy.Credentials = $wc.Credentials
    $wc.DownloadFile($src, $dest)
    # Unzip the downloaded file
    Write-Host "Extracting selfssl7 utility..." -ForegroundColor DarkGreen;
    UnZip $dest $TempFolder
}

$args = " /N cn=$env:COMPUTERNAME /K 2048 /V 365 /I /S $Website /P443 /A $IP /T"
Start-Process -FilePath $SelfSSL7 -ArgumentList $args -Wait

Write-Host "`nSelf Signed SSL certificate for website $Website successfully created and installed!" -ForegroundColor DarkGreen;
Remove-Item $TempFolder -recurse