December 23, 2021 by Admin
A message* that has been encrypted by the sender’s private key and again by the receiver’s public key achieves:
- authentication and authorization.
- confidentiality and integrity.
- confidentiality and nonrepudiation.
- authentication and nonrepudiation.
Explanation:
Encryption by the private key of the sender will guarantee authentication and nonrepudiation. Encryption by the public key of the receiver will guarantee confidentiality.