The PRIMARY reason for using digital signatures is to ensure data:
A. confidentiality.
B. integrity.
C. availability.
D. timeliness.
Explanation:
Digital signatures provide integrity because the digital signature of a signed message (file, mail, document, etc.) changes every time a single bit of the document changes; thus, a signed document cannot be altered. Depending on the mechanism chosen to implement a digital signature, the mechanism might be able to ensure data confidentiality or even timeliness, but this is not assured. Availability is not related to digital signatures.