New-Password

function New-Password {
    param([int]$Length=32, [int]$MinimumSpecialChars)

    # Handle super long password requests
    if($Length -gt 128) {
        if (!$MinimumSpecialChars) {
            # Calculate minimum per 128-character segment
            $MinimumSpecialChars = $Length/(6/($Length/128))
        } else {
            $MinimumSpecialChars = ($MinimumSpecialChars+($Length/128))/($Length/128)
        }

        $pwd = ""
        do {
            $PieceLength = if ($Length -gt 128) { 128 } else { $Length }
            if ($MinimumSpecialChars -gt $PieceLength) {
                $MinimumSpecialChars = $PieceLength
            }
            $pwd += [System.Web.Security.Membership]::GeneratePassword($PieceLength, $MinimumSpecialChars)
            $Length -= 128
        } While ($Length -gt 0)
        return $pwd

    # Normal password requests
    } else {
        if (!$MinimumSpecialChars) {
            $MinimumSpecialChars = $Length/6
        } elseif ($MinimumSpecialChars -gt $Length) {
            $MinimumSpecialChars = $Length
        }
        return [System.Web.Security.Membership]::GeneratePassword($Length, $MinimumSpecialChars)
    }
}