Key
A bit sequence widely used in cryptography for the encryption or decryption of data. The longer the key, the more secure the encryption.


Key management
Key management refers to all administrative functions for the generation, distribution, saving, updating, destruction, and addressing of cryptographic keys.


Kinegram
Brand name used by the company OVD Kinegram AG for a diffractive structure used to create the optical illusion of motion (kinetic effects).