lab 6 Zaychenko Danylo

//test program for calculating AES

#include <stdio.h>

int main() {

unsigned char mul2[] = { 0x00,0x02,0x04,0x06,0x08,0x0a,0x0c,0x0e,0x10,0x12,0x14,0x16,0x18,0x1a,0x1c,0x1e,

0x20,0x22,0x24,0x26,0x28,0x2a,0x2c,0x2e,0x30,0x32,0x34,0x36,0x38,0x3a,0x3c,0x3e,

0x40,0x42,0x44,0x46,0x48,0x4a,0x4c,0x4e,0x50,0x52,0x54,0x56,0x58,0x5a,0x5c,0x5e,

0x60,0x62,0x64,0x66,0x68,0x6a,0x6c,0x6e,0x70,0x72,0x74,0x76,0x78,0x7a,0x7c,0x7e,

0x80,0x82,0x84,0x86,0x88,0x8a,0x8c,0x8e,0x90,0x92,0x94,0x96,0x98,0x9a,0x9c,0x9e,

0xa0,0xa2,0xa4,0xa6,0xa8,0xaa,0xac,0xae,0xb0,0xb2,0xb4,0xb6,0xb8,0xba,0xbc,0xbe,

0xc0,0xc2,0xc4,0xc6,0xc8,0xca,0xcc,0xce,0xd0,0xd2,0xd4,0xd6,0xd8,0xda,0xdc,0xde,

0xe0,0xe2,0xe4,0xe6,0xe8,0xea,0xec,0xee,0xf0,0xf2,0xf4,0xf6,0xf8,0xfa,0xfc,0xfe,

0x1b,0x19,0x1f,0x1d,0x13,0x11,0x17,0x15,0x0b,0x09,0x0f,0x0d,0x03,0x01,0x07,0x05,

0x3b,0x39,0x3f,0x3d,0x33,0x31,0x37,0x35,0x2b,0x29,0x2f,0x2d,0x23,0x21,0x27,0x25,

0x5b,0x59,0x5f,0x5d,0x53,0x51,0x57,0x55,0x4b,0x49,0x4f,0x4d,0x43,0x41,0x47,0x45,

0x7b,0x79,0x7f,0x7d,0x73,0x71,0x77,0x75,0x6b,0x69,0x6f,0x6d,0x63,0x61,0x67,0x65,

0x9b,0x99,0x9f,0x9d,0x93,0x91,0x97,0x95,0x8b,0x89,0x8f,0x8d,0x83,0x81,0x87,0x85,

0xbb,0xb9,0xbf,0xbd,0xb3,0xb1,0xb7,0xb5,0xab,0xa9,0xaf,0xad,0xa3,0xa1,0xa7,0xa5,

0xdb,0xd9,0xdf,0xdd,0xd3,0xd1,0xd7,0xd5,0xcb,0xc9,0xcf,0xcd,0xc3,0xc1,0xc7,0xc5,

0xfb,0xf9,0xff,0xfd,0xf3,0xf1,0xf7,0xf5,0xeb,0xe9,0xef,0xed,0xe3,0xe1,0xe7,0xe5 };

unsigned char mul3[] = { 0x00,0x03,0x06,0x05,0x0c,0x0f,0x0a,0x09,0x18,0x1b,0x1e,0x1d,0x14,0x17,0x12,0x11,

0x30,0x33,0x36,0x35,0x3c,0x3f,0x3a,0x39,0x28,0x2b,0x2e,0x2d,0x24,0x27,0x22,0x21,

0x60,0x63,0x66,0x65,0x6c,0x6f,0x6a,0x69,0x78,0x7b,0x7e,0x7d,0x74,0x77,0x72,0x71,

0x50,0x53,0x56,0x55,0x5c,0x5f,0x5a,0x59,0x48,0x4b,0x4e,0x4d,0x44,0x47,0x42,0x41,

0xc0,0xc3,0xc6,0xc5,0xcc,0xcf,0xca,0xc9,0xd8,0xdb,0xde,0xdd,0xd4,0xd7,0xd2,0xd1,

0xf0,0xf3,0xf6,0xf5,0xfc,0xff,0xfa,0xf9,0xe8,0xeb,0xee,0xed,0xe4,0xe7,0xe2,0xe1,

0xa0,0xa3,0xa6,0xa5,0xac,0xaf,0xaa,0xa9,0xb8,0xbb,0xbe,0xbd,0xb4,0xb7,0xb2,0xb1,

0x90,0x93,0x96,0x95,0x9c,0x9f,0x9a,0x99,0x88,0x8b,0x8e,0x8d,0x84,0x87,0x82,0x81,

0x9b,0x98,0x9d,0x9e,0x97,0x94,0x91,0x92,0x83,0x80,0x85,0x86,0x8f,0x8c,0x89,0x8a,

0xab,0xa8,0xad,0xae,0xa7,0xa4,0xa1,0xa2,0xb3,0xb0,0xb5,0xb6,0xbf,0xbc,0xb9,0xba,

0xfb,0xf8,0xfd,0xfe,0xf7,0xf4,0xf1,0xf2,0xe3,0xe0,0xe5,0xe6,0xef,0xec,0xe9,0xea,

0xcb,0xc8,0xcd,0xce,0xc7,0xc4,0xc1,0xc2,0xd3,0xd0,0xd5,0xd6,0xdf,0xdc,0xd9,0xda,

0x5b,0x58,0x5d,0x5e,0x57,0x54,0x51,0x52,0x43,0x40,0x45,0x46,0x4f,0x4c,0x49,0x4a,

0x6b,0x68,0x6d,0x6e,0x67,0x64,0x61,0x62,0x73,0x70,0x75,0x76,0x7f,0x7c,0x79,0x7a,

0x3b,0x38,0x3d,0x3e,0x37,0x34,0x31,0x32,0x23,0x20,0x25,0x26,0x2f,0x2c,0x29,0x2a,

0x0b,0x08,0x0d,0x0e,0x07,0x04,0x01,0x02,0x13,0x10,0x15,0x16,0x1f,0x1c,0x19,0x1a };

unsigned char sbox[] = { 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,

0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,

0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,

0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,

0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,

0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,

0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,

0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,

0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,

0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,

0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,

0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,

0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,

0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,

0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,

0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 };

unsigned char key[] = { 0xA0, 0x88, 0x23, 0x2A,

0xFA, 0x54, 0xA3, 0x6C,

0xFE, 0x2C, 0x39, 0x76,

0x17, 0xB1, 0x39, 0x05 };

unsigned char key1[] = { 0xf2, 0x7a, 0x59, 0x73,

0xc2, 0x96, 0x35, 0x59,

0x95, 0xb9, 0x80, 0xf6,

0xf2, 0x43, 0x7a, 0x7f };

unsigned char key2[] = { 0xA0, 0x88, 0x23, 0x2A,

0xFA, 0x54, 0xA3, 0x6C,

0xFE, 0x2C, 0x39, 0x76,

0x17, 0xB1, 0x39, 0x05 };

unsigned char key3[] = { 0xA0, 0x88, 0x23, 0x2A,

0xFA, 0x54, 0xA3, 0x6C,

0xFE, 0x2C, 0x39, 0x76,

0x17, 0xB1, 0x39, 0x05 };

unsigned char data1[] = { 0x19, 0xa0, 0x9a, 0xe9, 0x3d, 0xf4, 0xc6, 0xf8, 0xe3, 0xe2, 0x8d, 0x48, 0xbe, 0x2b, 0x2a, 0x08 };

unsigned char data2[] = { 0xa4, 0x68, 0x6b, 0x02, 0x9c, 0x9f, 0x5b, 0x6a, 0x7f, 0x35, 0xea, 0x50, 0xf2, 0x2b, 0x43, 0x49 };

unsigned char data3[] = { 0xec, 0x28, 0x4b, 0xd0, 0xed, 0x15, 0x60, 0x5d, 0xba, 0x32, 0x26, 0x56, 0xa5, 0x4b, 0x0c, 0xc5 };

unsigned char data[] = { 0xb5, 0x67, 0xdc, 0xfb, 0x32, 0xcb, 0x2e, 0xed, 0x0a, 0x49, 0xc6, 0x4e, 0xd4, 0x3c, 0xe4, 0xaa };

unsigned char result[16], result_sub[16], result_mix[16], result_shift[16];

//sub bytes

for (int i = 0; i < 16; i++) {

result_sub[i] = sbox[data[i]];

}

//shift rows

result_shift[0] = result_sub[0];

result_shift[1] = result_sub[1];

result_shift[2] = result_sub[2];

result_shift[3] = result_sub[3];

result_shift[4] = result_sub[5];

result_shift[5] = result_sub[6];

result_shift[6] = result_sub[7];

result_shift[7] = result_sub[4];

result_shift[8] = result_sub[10];

result_shift[9] = result_sub[11];

result_shift[10] = result_sub[8];

result_shift[11] = result_sub[9];

result_shift[12] = result_sub[15];

result_shift[13] = result_sub[12];

result_shift[14] = result_sub[13];

result_shift[15] = result_sub[14];

//mix columns

for (int i = 0; i < 4; i++) {

result_mix[0 + i] = mul2[result_shift[0 + i]] ^ mul3[result_shift[4 + i]] ^ result_shift[8 + i] ^ result_shift[12 + i];

result_mix[4 + i] = result_shift[0 + i] ^ mul2[result_shift[4 + i]] ^ mul3[result_shift[8 + i]] ^ result_shift[12 + i];

result_mix[8 + i] = result_shift[0 + i] ^ result_shift[4 + i] ^ mul2[result_shift[8 + i]] ^ mul3[result_shift[12 + i]];

result_mix[12 + i] = mul3[result_shift[0 + i]] ^ result_shift[4 + i] ^ result_shift[8 + i] ^ mul2[result_shift[12 + i]];

}

//add round key

for (int i = 0; i < 16; i++) {

result[i] = result_mix[i] ^ key[i];

}

//

printf("Entered data:\n");

for (int i = 0; i < 4; i++) {

printf("%02x | %02x | %02x | %02x\n", data[0 + i * 4], data[1 + i * 4], data[2 + i * 4], data[3 + i * 4]);

}

printf("\nAfter SubBytes:\n");

for (int i = 0; i < 4; i++) {

printf("%02x | %02x | %02x | %02x\n", result_sub[0 + i * 4], result_sub[1 + i * 4], result_sub[2 + i * 4], result_sub[3 + i * 4]);

}

printf("\nAfter ShiftRows:\n");

for (int i = 0; i < 4; i++) {

printf("%02x | %02x | %02x | %02x\n", result_shift[0 + i * 4], result_shift[1 + i * 4], result_shift[2 + i * 4], result_shift[3 + i * 4]);

}

printf("\nAfter MixColumns:\n");

for (int i = 0; i < 4; i++) {

printf("%02x | %02x | %02x | %02x\n", result_mix[0 + i * 4], result_mix[1 + i * 4], result_mix[2 + i * 4], result_mix[3 + i * 4]);

}

printf("\nAfter AddRoundKey:\n");

for (int i = 0; i < 4; i++) {

printf("%02x | %02x | %02x | %02x\n", result[0 + i * 4], result[1 + i * 4], result[2 + i * 4], result[3 + i * 4]);

}

}