PNG ICO ICNS MORE
UI
Smooth
User Interface Icons
Lock
Gold
80x80
Lock, user
Lavender
Computer & hardware
Crystal Project
LightSalmon
32x32
Photography & graphic design
3D
Dark Glass
DarkOliveGreen
128x128
Lock, Key, password
DarkGray
overlay, Lock
Lock, File
Futurosoft
Lock, register, login
Silver
Black
Glaze
Folder, Lock
DimGray
secure, Lock, password
Goldenrod
File, Lock
WhiteSmoke
SteelBlue
64x64
Pixel
Vaga
Lock, open
BurlyWood
16x16
Lock, secure
PNG MORE
Mixed
Twotiny
Evelope, Lock, mail
Network & communications
Oxygen
Log in, password, Lock
Tan
key hole, Lock, Encrypted
Gainsboro
Lock, Unlock, password
LightGray
48x48
Keys, password, Lock
Signs & symbols
34aL volume 3.2 SE
password, Lock, secure
DodgerBlue
24x24
password, secure, login
LightSteelBlue