PNG ICO ICNS MORE
Signs & symbols
Smooth
Two Tone Design Set
security, secure, password
DarkSlateGray
128x128
Super Mono Basic
green, Basic, Key
Black
48x48
red, Key, Basic
Key, Basic, yellow
Basic, Key, Blue
PNG MORE
34aL volume 3.2 SE
password, Lock, secure
DodgerBlue
24x24
Key, Access, password