Encryption Has a Remarkably Long and Varied History

question 11

Multiple Choice

Encryption has a remarkably long and varied history.The invention of writing was apparently soon followed by a desire to conceal messages.One of the earliest methods,attributed to an ancient Roman emperor,was the simple substitution of numbers for letters,for example A = 1, B = 2,etc.This is an example of

• A) a hashing algorithm.
• B) symmetric key encryption.
• C) asymmetric key encryption.
• D) a public key.

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Definitions:

EQUAL

A condition or operation in computing and mathematics used to determine if two values or expressions are identical in value.

MOV

An instruction in many assembly languages that moves data from one location to another.

File

A collection of data stored in one unit, identified by a filename, and can include documents, images, programs, or a variety of other data types.

Related Consecutive Words

A sequence of words that are directly linked or associated with each other in context or syntax.