Exam CISA Topic 8 Question 491 Discussion
Actual exam question for ISACA's CISA exam
Question #: 491
Topic #: 8
Question #: 491
Topic #: 8
When using a digital signature, the message digest is computed:
Suggested Answer: C Vote an answer
Section: Protection of Information Assets
Explanation:
A digital signature is an electronic identification of a person or entity. It is created by using asymmetric
encryption. To verify integrity of data, the sender uses a cryptographic hashing algorithm against the entire
message to create a message digest to be sent along with the message. Upon receipt of the message, the
receiver will recompute the hash using the same algorithm and compare results with what was sent to
ensure the integrity of the message.
Explanation:
A digital signature is an electronic identification of a person or entity. It is created by using asymmetric
encryption. To verify integrity of data, the sender uses a cryptographic hashing algorithm against the entire
message to create a message digest to be sent along with the message. Upon receipt of the message, the
receiver will recompute the hash using the same algorithm and compare results with what was sent to
ensure the integrity of the message.
by Harlan at Nov 30, 2023, 04:48 PM
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