Question

What is Private Key ?

Hint:

Public Key = Mailbox slot (anyone can drop a message). Private Key = Mailbox key (only the owner can take messages out).

Answer 1

1. In asymmetric cryptography, a pair of keys is used: a Public Key (shared) and a Private Key (secret).
2. The Private Key is used to decrypt messages that were encrypted with the corresponding Public Key.
3. It is also used to sign digital documents to prove the identity of the sender.