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