A ________________ is an authentication tag (also called a checksum) derived by applying an authentication scheme, together with a secret key, to a message.

WK 7 quiz

A ________________ is an authentication tag (also called a checksum) derived by applying an authentication scheme, together with a secret key, to a message.

A. Digital Certificate

B. Hash Function

C. Message authentication code (MAC)

D. Public-Key

A type of encryption where the same key is used to encrypt and decrypt the message is:

A. Symmetric Encryption

B. Asymmetric Encryption

C. Eliptical Encryption

D. Digital Encryption

The process of decoding data that has been encrypted into a secret format is:

A. Encryption

B. Decryption

C. Key

D. Passcode

_____________ is the conversion of data into a form, called a ciphertext, that cannot be easily understood by unauthorized people.

A. Encryption

B. Decryption

C. Key

D. Passcod

_____________ is a technique intended to increase the security of an iterated block cipher.

A. Hybrid Protocol

B. Keyed Hash Function

C. Key Agreement

D. Key Whitening

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