An encrypted message is sent using PKI from Sara, a client, to a customer. Sara claims she never
sent the message. Which of the following aspects of PKI BEST ensures the identity of the sender?
A.
CRL
B.
Non-repudiation
C.
Trust models
D.
Recovery agents
Explanation:
Nonrepudiation prevents one party from denying actions they carried out. This means that the
identity of the email sender will not be repudiated.