Using the APA writing style, write a 23 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