COMPUTER THREATS SECURITY
TYPES OF COMPUTER SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The ____ is a number or a set of numbers on which the cipher operates.
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secret
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cipher
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key
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none of the mentioned
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Explanation:
Detailed explanation-1: -A key is a number (or a set of numbers) that the cipher operates on, as an algorithm.
Detailed explanation-2: -Vigenere cipher is a poly-alphabetic substitution system that use a key and a double-entry table.
Detailed explanation-3: -Symmetric encryption is also called secret key encryption, and it uses just one key, called a shared secret, for both encrypting and decrypting.
Detailed explanation-4: -Symmetric encryption uses a single key for both encryption and decryption, while asymmetric encryption uses a pair of keys.
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