Information Assurance and Security 2: Chapter 2 Authentication
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Questions and Answers

What does DES stand for in the context of encryption?

  • Department of Encryption Standards
  • Digital Encryption Security
  • Data Encoding System
  • Data Encryption Standard (correct)

    • When was DES developed?

  • 1961
  • 1971 (correct)
  • 1981
  • 1991

    • What is the size of the DES key used during the encryption process?

  • 48-bit
  • 56-bit (correct)
  • 64-bit
  • 32-bit

    • Which encryption standard replaced DES in 2002?

    <p>AES</p> Signup and view all the answers

    What specific cipher structure does DES follow during the encryption process?

    <p>Feistel cipher structure</p> Signup and view all the answers

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