Let the user choose encryption or decryption.For encryption, let user input the key in Hexadecimal number, the plain text in Hexadecimal number, output the ciphertext (in hexadecimal numbers).For decryption, let user input the key in Hexadecimal number, the ciphertext (in hexadecimal numbers), output the decrypted message (Hexadecimal number).Both encryption and decryption should output the different operation results for each round like the following:For example:Round 1:E(R0) = ...... (Hex or Binary)K1 = ……E(Ro) xor K1 =S-box outputs = ……f(Ro1, K1) = …..L2 =R1 =…….La = RaRound 2:.....•No Encryption/Decryption libraries or functions provided by the third party are allowed.Submit your program codes to Moodle with the notes of how to compile and run your program. Let the user choose encryption or decryption.For encryption, let user input the key in Hexadecimal number, the plain text in Hexadecimal number,output the ciphertext (in hexadecimal numbers).For decryption, let user input the key in Hexadecimal number, the ciphertext (in hexadecimal numbers),output the decrypted message (Hexadecimal number).Both encryption and decryption should output the different operation results for each round like thefollowing:For example:Round 1:E(Re)(Hex or Binary)K₁E(R) K₁S-box outputs...f(Ro, K₁)L-R ..Round 2:No Encryption/Decryption libraries or functions provided by the third party are allowed.Submit your program codes to Moodle with the notes of how to compile and run your program.

Explanation of the Feistel Cipher Implementation This program implements a simplified Feistel cipher…

Answered: Let the user choose encryption or…

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter5: Making Decisions

Section: Chapter Questions

Problem 4PE

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Let the user choose encryption or decryption. For encryption, let user input the key in Hexadecimal number, the plain text in Hexadecimal number, output the ciphertext (in hexadecimal numbers). For decryption, let user input the key in Hexadecimal number, the ciphertext (in hexadecimal numbers), output the decrypted message (Hexadecimal number). Both encryption and decryption should output the different operation results for each round like the following: For example: Round 1: E(R0) = ...... (Hex or Binary) K1 = …… E(Ro) xor K1 = S-box outputs = …… f(Ro1, K1) = ….. L2 =R1 =……. La = Ra Round 2: .....• No Encryption/Decryption libraries or functions provided by the third party are allowed. Submit your program codes to Moodle with the notes of how to compile and run your program.