Computer Network security

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Across
  1. 4. An asymmetric-key (or public-key) cipher uses
  2. 6. A digital signature needs a
  3. 8. a trap set to detect, deflect, or in some manner counteract attempts at unauthorized use of information
  4. 9. A hash function guarantees integrity of a message. It guarantees that message has not be
Down
  1. 1. Heart of Data Encryption Standard (DES), is the
  2. 2. Man-in-the-middle attack can endanger security of Diffie-Hellman method if two parties are not
  3. 3. a device or software application that monitors internal network
  4. 5. A device allowing some packets to pass and blocking others.
  5. 7. trusted third party that assigns a symmetric key to two parties
  6. 10. Electronic Code Book is