PNG MORE
Signs & symbols
Smooth
34aL volume 3.2 SE
password, secure, login
LightSteelBlue
24x24
PNG ICO ICNS MORE
Mixed
Carpelinx
password, secure, Lock
DarkGray
128x128
Desktop apps
KDE Crystal Diamond
File, locked, secure
Snow
Vista Inspirate
secure, Lock, File
Silver
64x64