Computer Network security

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