CRYPTOGRAPHY

noun

28 Scrabble

29 WWF

C 3

R 1

Y 4

P 3

T 1

O 1

G 2

R 1

A 1

P 3

H 4

Y 4

Definition

The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues), regardless of the used medium such as pencil and paper or computers.