What is an encryption system that uses two keys: a public key that everyone can have and a private key for only the recipient?
A
Encryption
B
Public key encryption
C
Intrusion‐detection software
D
Security‐auditing software
Correct Answer: Public key encryption
Public-key encryption is a cryptographic system that uses two keys - a public key known to everyone and a private or secret key known only to the recipient of the message.