coupled encryption
nounA way to lock up secret messages so that two parts must work together to open them.
The app uses coupled encryption so that both the sender and receiver need their keys to read the message.
OTHER MEANINGS
2. An encryption scheme where two cryptographic processes are tied together so one cannot work without the other.
The protocol relies on coupled encryption to bind the handshake and the data channel.
3. A method of protecting data in which encryption and authentication are combined into a single linked step.
Coupled encryption ensures that tampering with the ciphertext also breaks the authentication check.
4. The practice of encrypting two related data streams together so their order and pairing stay secret.
Voice and video were sent using coupled encryption to keep the call private.