What is the history of DES

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Reference no: EM132921419

1. What is the history of DES, and why is s-DES studied?

2. How does DES and 3DES work? Provide an example of each.

3. 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

Reference no: EM132921419

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