CISA Certified Information Systems Auditor – Question1171

A contract bid is digitally signed and electronically mailed. The PRIMARY advantage to using a digital signature is that:

A.
the bid cannot be forged even if the keys are compromised.
B. the bid and the signature can be copied from one document to another.
C. the signature can be authenticated even if no encryption is used.
D. any alteration of the bid will invalidate the signature.

Correct Answer: C