Transport Layer Security (TLS) provides data integrity through:

The correct answer is A. calculation of message digests.. TLS ensures data integrity by computing and verifying cryptographic message digests (hashes) using Message Authentication Codes (MACs) or HMAC algorithms. When data is transmitted, a hash of the message is calculated and sent along with it. The receiver recalculates the hash upon

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Question

Options

Acalculation of message digests.
Buse of File Transfer Protocol (FTP).
Casymmetric encryption of data sets.
Dexchange of digital certificates.

How the community answered

(46 responses)

A
93% (43)
B
4% (2)
C
2% (1)

Explanation

TLS ensures data integrity by computing and verifying cryptographic message digests (hashes) using Message Authentication Codes (MACs) or HMAC algorithms. When data is transmitted, a hash of the message is calculated and sent along with it. The receiver recalculates the hash upon receipt; if the values match, the data has not been altered in transit. Option B (FTP) is an unencrypted file transfer protocol and is unrelated to TLS integrity mechanisms. Option C (asymmetric encryption) is used in TLS for the handshake/key exchange phase, not for ongoing data integrity verification. Option D (digital certificates) are used for authentication and establishing trust, not for verifying message integrity during transmission.

Topics

#TLS#Data Integrity#Message Digests#Cryptography

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