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A Message Authentication Code Is a Small Block of Data

question 30

True/False

A message authentication code is a small block of data generated by asecret key and appended to a message.


Definitions:

Pseudocoelom

Fluid-filled cavity between the gut and body wall; partially lined by tissue derived from mesoderm.

Tubular Digestive System

A type of digestive system in which the digestive tract forms a continuous tube from mouth to anus, allowing for sequential processing of food.

Roundworms

A group of invertebrates belonging to the phylum Nematoda, characterized by long, cylindrical bodies.

Cambrian

A geological period approximately 541 million years ago, marked by a rapid diversification of life in the Earth's oceans.

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