Question: DES Programming using C++, make .h, .cc, .main, makefile, and readme.txt For decryption, let user input the key in Hexadecimal number, the ciphertext (in hexadecimal

DES Programming using C++, make .h, .cc, .main, makefile, and readme.txt

For decryption, let user input the key in Hexadecimal number, the ciphertext (in hexadecimal numbers), output the decrypted message (Hexadecimal number).

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