What is the correct answer to the riddle?

Question

Information Security

Answer 1

Your beloved gave you her lock without a key in advance.
Moreover, she distributes her locks without keys to everyone - suddenly, they will come in handy.
You pack the necklace, lock it with the lock of your beloved and send it.
No key forwarding, no triple forwarding of contents, no lock changes.

Answer 2

The recipient of the parcel already has the key, since any lock is sold with three copies of the keys ... the key was given in advance