multi-key encryption

noun

UK /ˈmʌlti kiː ɪnˈkrɪpʃən/

US /ˈmʌlti kiː ɪnˈkrɪpʃən/

A way to lock a message with more than one key so it stays safe.

The app uses multi-key encryption so only the right people can open the file.

SYNONYMS

multiple-key encryption multi-key cryptography layered encryption multi-key ciphering

RELATED WORDS

encryption decryption cryptography security key access control

OTHER MEANINGS

2. A system where different keys unlock different parts of the same data.

With multi-key encryption, each team member could read only their own section.

3. Using several keys in sequence to protect one file.

The backup used multi-key encryption, adding a new key at every step.

4. A method that lets many users share protected data with separate keys.

Multi-key encryption let the whole class open the shared folder safely.