What is Cryptography?

Group of answer choices

The process or skill of communicating in or deciphering secret writings or ciphers, secret writing

Cryptography $($or cryptology$)$ derived from the krypt$$s which means "hidden" and the verb gr$$fo$,$ which means "write", is the study of message secrecy

Cryptography is the science of altering communications so that it cannot be understood without having the key

Cryptography is the tool we use to hide data from Google