PNG ICO ICNS MORE
Photography & graphic design
3D
32x32 Free Design Icons
locked, Key, secure
Black
32x32
Key, password, login
Dark Glass
Encrypted, File, Key
WhiteSmoke
128x128
Key, Bindings
DarkSlateGray
Lock, Key, password
DarkGray
Key, secure, Folder
OrangeRed
Key, Keyboard, Keys