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FOR AES CIPHER FILL IN THE CODE FOR ENCRYPTION PROCESS IN C++ FOR ENCRYPTION FUNCTION, MIX COLUMNS AND SHIFT ROW #include "aes_128_common.h" #ifndef AES_128_ENCRYPT_H #define AES_128_ENCRYPT_H byte* encrypt_aes_128(byte* plaintext, byte* key); void shift_rows(byte* byte_array); void mix_columns(byte* byte_array); #endif //AES_128_ENCRYPT_H #include #ifndef AES_128_COMMON_H #define AES_128_COMMON_H typedef unsigned int byte; byte* string_to_byte_array(std::string str); void print_byte_array(byte* byte_array, size_t length); void print_state(byte* byte_array); void newline(); void add_round_key(byte* byte_array); byte substitute_byte(byte byte_to_substitute); void substitute_bytes(byte* byte_array); #endif //AES_128_COMMON_H #include "aes_128_encrypt.h" // Encryption function byte* encrypt_aes_128(byte* plaintext, byte* key) { byte* ciphertext = NULL; // Fill this function return ciphertext; } // Shift rows void shift_rows(byte* byte_array) { // Fill this function } // Mix Columns void mix_columns(byte* byte_array) { // Fill this function }

FOR AES CIPHER FILL IN THE CODE FOR ENCRYPTION PROCESS IN C++ FOR ENCRYPTION FUNCTION, MIX COLUMNS AND SHIFT ROW #include "aes_128_common.h" #ifndef AES_128_ENCRYPT_H #define AES_128_ENCRYPT_H byte* encrypt_aes_128(byte* plaintext, byte* key); void shift_rows(byte* byte_array); void mix_columns(byte* byte_array); #endif //AES_128_ENCRYPT_H #include #ifndef AES_128_COMMON_H #define AES_128_COMMON_H typedef unsigned int byte; byte* string_to_byte_array(std::string str); void print_byte_array(byte* byte_array, size_t length); void print_state(byte* byte_array); void newline(); void add_round_key(byte* byte_array); byte substitute_byte(byte byte_to_substitute); void substitute_bytes(byte* byte_array); #endif //AES_128_COMMON_H #include "aes_128_encrypt.h" // Encryption function byte* encrypt_aes_128(byte* plaintext, byte* key) { byte* ciphertext = NULL; // Fill this function return ciphertext; } // Shift rows void shift_rows(byte* byte_array) { // Fill this function } // Mix Columns void mix_columns(byte* byte_array) { // Fill this function }

Systems Architecture
Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter3: Data Representation
Section: Chapter Questions
Problem 12VE
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FOR AES CIPHER FILL IN THE CODE FOR ENCRYPTION PROCESS IN C++ FOR ENCRYPTION FUNCTION, MIX COLUMNS AND SHIFT ROW #include "aes_128_common.h" #ifndef AES_128_ENCRYPT_H #define AES_128_ENCRYPT_H byte* encrypt_aes_128(byte* plaintext, byte* key); void shift_rows(byte* byte_array); void mix_columns(byte* byte_array); #endif //AES_128_ENCRYPT_H #include #ifndef AES_128_COMMON_H #define AES_128_COMMON_H typedef unsigned int byte; byte* string_to_byte_array(std::string str); void print_byte_array(byte* byte_array, size_t length); void print_state(byte* byte_array); void newline(); void add_round_key(byte* byte_array); byte substitute_byte(byte byte_to_substitute); void substitute_bytes(byte* byte_array); #endif //AES_128_COMMON_H #include "aes_128_encrypt.h" // Encryption function byte* encrypt_aes_128(byte* plaintext, byte* key) { byte* ciphertext = NULL; // Fill this function return ciphertext; } // Shift rows void shift_rows(byte* byte_array) { // Fill this function } // Mix Columns void mix_columns(byte* byte_array) { // Fill this function }
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