support@essaywritingexpert.orgUsing 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