Perform one round des encryption and decrypt computed cipher, Computer Network Security

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Perform one round des encryption and decrypt computed cipher

Discussion Post: Applied Cryptography

• Given a 64 bit plaintext FFFE 397D AC28 8855 and 48 bit Round key 4D77 32C5 29EF, perform one round DES encryption and decrypt the computed cipher retrieving the original input.

• Given a 56-bit key 88DF E9DC C277 CA, compute 48 bit Round1, Round2 and Round3 keys.

The response should include a reference list. Using one-inch margins, Times New Roman 12 pnt font, double-space and APA style of writing and citations.

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Computer Network Security: Perform one round des encryption and decrypt computed cipher

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