Beginner
Cybersecurity & Cryptography
Q5 / 100
What is a digital signature?
Correct! Well done.
Incorrect.
The correct answer is B) A cryptographic mechanism using the signer's private key to prove authenticity and integrity of a message
B
Correct Answer
A cryptographic mechanism using the signer's private key to prove authenticity and integrity of a message
Explanation
A digital signature: hash the message, encrypt with private key. Verifier decrypts with public key, compares hashes. Proves authenticity (from key owner) and integrity (message unchanged).
Progress
5/100