---

$keyFile = Join-Path $env:ProgramData 'ssh\administrators_authorized_keys'
$publicKey = 'ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKOOmZaS2XB0YSCsC4/n+L+L6ZuWQf8D/pFJGWcFhdMM kornet@DESKTOP-GNR9BCE'

if (-not (Test-Path -LiteralPath $keyFile)) {
    New-Item -ItemType File -Path $keyFile -Force | Out-Null
}

if (-not (Select-String -LiteralPath $keyFile -SimpleMatch $publicKey -Quiet)) {
    Add-Content -LiteralPath $keyFile -Value $publicKey -Encoding ascii
}

icacls.exe $keyFile /inheritance:r /grant:r '*S-1-5-32-544:F' '*S-1-5-18:F'
Restart-Service sshd