## What is/are Data Locking?

Data Locking - Quantum data locking is a quantum communication primitive that allows the use of a short secret key to encrypt a much longer message.^{[1]}Quantum data locking is a quantum phenomenon that allows us to encrypt a long message with a small secret key with information-theoretic security.

^{[2]}Finally, we will discuss some aspects of quantum cryptography beyond standard quantum key distribution, including quantum data locking and quantum digital signatures.

^{[3]}

## Quantum Data Locking

Quantum data locking is a quantum communication primitive that allows the use of a short secret key to encrypt a much longer message.^{[1]}Quantum data locking is a quantum phenomenon that allows us to encrypt a long message with a small secret key with information-theoretic security.

^{[2]}Finally, we will discuss some aspects of quantum cryptography beyond standard quantum key distribution, including quantum data locking and quantum digital signatures.

^{[3]}