Where parties do not have a shared secret and large quantities of sensitive information must be
passed, the most efficient means of transferring information is to use a hybrid encryption technique.
What does this mean?

A.
Use of public key encryption to secure a secret key, and message encryption using the secret key

B.
Use of the recipient’s public key for encryption and decryption based on the recipient’s private key

C.
Use of software encryption assisted by a hardware encryption accelerator

D.
Use of elliptic curve encryption