passphrase

US /ˈpæs.freɪz/
UK /ˈpæs.freɪz/
1.

cụm mật khẩu

a secret phrase, or a combination of letters and numbers, used to get access to a computer or a computer file (= be able to start using it):

:
The encrypted file is now widely available online, along with the passphrase to open it.