Je was op zoek naar: a chiave (Italiaans - Engels)

a chiave.
but first the poster had to be designed.

nodo a chiave
splay knot

verifica a chiave
verification of keying

chiusura a chiave.
key lock closing.

chiuso a chiave!
locked!

algoritmo a chiave pubblica
public key algorithm

chiusura totale a chiave.
total close-up with key

colonna a chiave primaria:
primary key column:

sistema crittografico a chiave pubblica
public-key cryptographic system

crittografia a chiavi asimmetriche
public key cryptography