Digital Signatures provide which of the following?
A.
Confidentiality
B.
Authorization
C.
Integrity
D.
Authentication
E.
Availability
Explanation:
A digital signature is similar in function to a standard signature on a document. It validates the integrity of the message and the sender.
Incorrect Answers:
A: A cryptographic system would be needed to provide Confidentiality.
B: Digital signatures are not used for authorization.
D: Digital signature is one methods of verifying authenticity but there are other methods as well.
E: Digital signatures are not helpful in providing availability.Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, p 414