Why are DES keys considered weak keys?

IT Questions BankCategory: CCNA SecurityWhy are DES keys considered weak keys?
Why are DES keys considered weak keys? 1ITExamAnswers Staff asked 4 months ago

Why are DES keys considered weak keys?

  • They are more resource intensive.
  • DES weak keys use very long key sizes.
  • They produce identical subkeys.
  • DES weak keys are difficult to manage.

Explanation: Weak keys, whether part of an existing encryption algorithm or manually generated, reveal regularities in encryption. This creates a shortcut by which a hacker can break the encryption. DES has four keys for which encryption is identical to decryption.

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