Ink Pen And Lock, Key, Locking
This is an emoticon that combines a lock and a pen. The pen represents information, and the lock represents privacy. The combination of the two represents information security, privacy, and information encryption. People usually use this emoji to represent the public key, private key or digital certificate in the Internet information industry.
Apple, WhatsApp, and FaceBook platforms portray a complete pen, while other platforms only portray the tip of a pen.
