ITAS 663 AIU Online Data Encryption Standard Paper

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ITAS 663 AIU Online Data Encryption Standard Paper

ASSIGNMENT DESCRIPTIONDeliverable Length:

2–3 page summary

OBJECTIVES

Using the APA writing style, write a 2–3 page paper that answers the questions below. Be prepared to fully support your answers. Explain in your own words the following:

  • What is the history of DES, and why is s-DES studied?
  • How does DES and 3DES work? Provide an example of each.
  • Explain the following ingredients that decide the algorithm in the Fiestel cipher:
    • Block size Key size
    • Subkey generation
    • Round function
    • Fast software encryption/decryption
    • Ease of Analysis