bootstrap-icons/icons/unlock.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-unlock" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M12 0a4 4 0 0 1 4 4v2.5h-1V4a3 3 0 1 0-6 0v2h.5A2.5 2.5 0 0 1 12 8.5v5A2.5 2.5 0 0 1 9.5 16h-7A2.5 2.5 0 0 1 0 13.5v-5A2.5 2.5 0 0 1 2.5 6H8V4a4 4 0 0 1 4-4M2.5 7A1.5 1.5 0 0 0 1 8.5v5A1.5 1.5 0 0 0 2.5 15h7a1.5 1.5 0 0 0 1.5-1.5v-5A1.5 1.5 0 0 0 9.5 7z"/>
</svg>