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////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////GS:
unsigned int u; // АЦП
////////////////////////////////// АЦП: -0,000.070c
void adc(unsigned char adc_input)
{
ADMUX = 0b01000000 | adc_input; // опорное AVCC // канал ADC0...ADC7
delay_us(10); // стабилизация входа
ADCSRA|=0b01000000; // старт преобразования
while (ADCSRA & 0b01000000); // при завершении преобразования бит сбрасывается аппаратно
};
////////////////////////////////// GS:
unsigned char xGS = 0; // счёт GS
unsigned char GS = 0; // буфер GS
char GS_TX(void){
GS = 0; // сброс буфер GS
///////////////////////////
for (xGS=0; xGS<8; xGS++) { // счёт GS
adc(7); u=ADCW; // канал ADC 7
if (u &= 0x0001) GS |= (1<<xGS); // 0b00000001...0b10000000
};
return GS;
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////AES:
unsigned int xAES = 0; // счёт xAES
unsigned char xxAES = 0; // счёт xxAES
unsigned char x_raund = 0; // счёт raund (Всего 10 раунда)
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////state:
//state 16 байт
unsigned char state[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
////////////////////////////////////////////////////////////////////////////////
unsigned char b_sbox = 0; // буфер b_sbox
//sbox 0...255 (16x16) //256 байт
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 inv_b_sbox = 0; // буфер inv_b_sbox
//inv_sbox 0...255 (16x16) //256 байт
unsigned char inv_sbox[]= {
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
};
////////////////////////////////////////////////////////////////////////////////
//набор раундовых ключей для AES-256: 15 блоков по 16 байт. //0...239 байт
unsigned char KeySchedule[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 0
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 1
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 2
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 3
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 4
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 5
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 6
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 7
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 8
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 9
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 10
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 11
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//раунд 13
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 //раунд 14
};
////////////////////////////////////////////////////////////////////////////////
//rcon 1...14
unsigned char rcon[] = {
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40
};
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////KeyExpansion():
// генерация раундовых ключей
//unsigned char Rows = 0; // буфер Rows
unsigned int Rows = 0; // буфер Rows
//unsigned char KE = 0; // счёт KeyExpansion
unsigned int KE = 0; // счёт KeyExpansion
unsigned char st_rcon = 0; // счёт rcon
void KeyExpansion(void) {
st_rcon = 0; // сброс счёт rcon
for (KE=0; KE<192; KE = KE + 32) { // блоки по 32 байт. //0...239 байт
//KeySchedule_1...14:
for (xAES=0; xAES<4; xAES++) {
KeySchedule[xAES+32+KE] = KeySchedule[xAES+28+KE]; // KeySchedule_0 > KeySchedule_1 (-4)
};
Rows = KeySchedule[32+KE]; // KeySchedule_1>>>
KeySchedule[32+KE] = KeySchedule[33+KE];
KeySchedule[33+KE] = KeySchedule[34+KE];
KeySchedule[34+KE] = KeySchedule[35+KE];
KeySchedule[35+KE] = Rows;
for (xAES=0; xAES<4; xAES++) { // sbox > KeySchedule_1[16...19]
b_sbox = KeySchedule[xAES+32+KE];
KeySchedule[xAES+32+KE] = sbox[b_sbox];// буфер b_sbox
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[16...19] ^ KeySchedule_0[0...3]
KeySchedule[xAES+32+KE] ^= KeySchedule[xAES+KE];
};
//0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40//(256)
KeySchedule[32+KE] ^= rcon[st_rcon]; // // счёт rcon [1...10]
st_rcon ++; // счёт rcon
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[16...19] > KeySchedule_1[20...23]
KeySchedule[xAES+36+KE] = KeySchedule[xAES+32+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[20...23] ^ KeySchedule_0[4...7]
KeySchedule[xAES+36+KE] ^= KeySchedule[xAES+4+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[20...23] > KeySchedule_1[24...27]
KeySchedule[xAES+40+KE] = KeySchedule[xAES+36+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] ^ KeySchedule_0[8...11]
KeySchedule[xAES+40+KE] ^= KeySchedule[xAES+8+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] > KeySchedule_1[28...31]
KeySchedule[xAES+44+KE] = KeySchedule[xAES+40+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[28...31] ^ KeySchedule_0[12...15]
KeySchedule[xAES+44+KE] ^= KeySchedule[xAES+12+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // sbox > KeySchedule_1[16...19]
b_sbox = KeySchedule[xAES+44+KE];
KeySchedule[xAES+48+KE] = sbox[b_sbox];// буфер b_sbox
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[28...31] ^ KeySchedule_0[12...15]
KeySchedule[xAES+48+KE] ^= KeySchedule[xAES+16+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[20...23] > KeySchedule_1[24...27]
KeySchedule[xAES+52+KE] = KeySchedule[xAES+48+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] ^ KeySchedule_0[8...11]
KeySchedule[xAES+52+KE] ^= KeySchedule[xAES+20+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] > KeySchedule_1[28...31]
KeySchedule[xAES+56+KE] = KeySchedule[xAES+52+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[28...31] ^ KeySchedule_0[12...15]
KeySchedule[xAES+56+KE] ^= KeySchedule[xAES+24+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] > KeySchedule_1[28...31]
KeySchedule[xAES+60+KE] = KeySchedule[xAES+56+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[28...31] ^ KeySchedule_0[12...15]
KeySchedule[xAES+60+KE] ^= KeySchedule[xAES+28+KE];
};
};
////////////////////////////////////////////////////////////////////////////////
//KeySchedule_1...14:
for (xAES=0; xAES<4; xAES++) {
KeySchedule[xAES+32+KE] = KeySchedule[xAES+28+KE]; // KeySchedule_0 > KeySchedule_1 (-4)
};
Rows = KeySchedule[32+KE]; // KeySchedule_1>>>
KeySchedule[32+KE] = KeySchedule[33+KE];
KeySchedule[33+KE] = KeySchedule[34+KE];
KeySchedule[34+KE] = KeySchedule[35+KE];
KeySchedule[35+KE] = Rows;
for (xAES=0; xAES<4; xAES++) { // sbox > KeySchedule_1[16...19]
b_sbox = KeySchedule[xAES+32+KE];
KeySchedule[xAES+32+KE] = sbox[b_sbox];// буфер b_sbox
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[16...19] ^ KeySchedule_0[0...3]
KeySchedule[xAES+32+KE] ^= KeySchedule[xAES+KE];
};
//0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40//(256)
KeySchedule[32+KE] ^= rcon[st_rcon]; // // счёт rcon [1...10]
st_rcon ++; // счёт rcon
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[16...19] > KeySchedule_1[20...23]
KeySchedule[xAES+36+KE] = KeySchedule[xAES+32+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[20...23] ^ KeySchedule_0[4...7]
KeySchedule[xAES+36+KE] ^= KeySchedule[xAES+4+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[20...23] > KeySchedule_1[24...27]
KeySchedule[xAES+40+KE] = KeySchedule[xAES+36+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] ^ KeySchedule_0[8...11]
KeySchedule[xAES+40+KE] ^= KeySchedule[xAES+8+KE];
};
//
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[24...27] > KeySchedule_1[28...31]
KeySchedule[xAES+44+KE] = KeySchedule[xAES+40+KE];
};
for (xAES=0; xAES<4; xAES++) { // KeySchedule_1[28...31] ^ KeySchedule_0[12...15]
KeySchedule[xAES+44+KE] ^= KeySchedule[xAES+12+KE];
};
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////Key:
unsigned char Key_N_ = 0; //Key_N_ = 0,1 -Номер Key -начальное 0
unsigned char b_Key_N_ = 2; //0,1 -Буфер Номер Key -начальное 2
////////////////////////////////////////Key:
unsigned char K_int[] = {
////////////////////////////////////////0...15
////////////////vektor_0: 16 байт
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xFF, //1472/16=92(0xC5)//UDP
////////////////////////////////////////16...47
////////////////Key_0: 32 байт
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
////////////////////////////////////////48...63
////////////////vektor_1: 16 байт
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xFF, //1472/16=92(0xC5)//UDP
////////////////////////////////////////64...95
////////////////Key_1: 32 байт
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
////////////////////////////////////////96...127
////////////////Pas: 32 байт
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////bK_int:
unsigned char bK_int[] = {
////////////////////////////////////////0...31
////////////////Key_0: 32 байт
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
////////////////////////////////////////32...63
////////////////Key_1: 32 байт
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
////////////////////////////////////////64...95
////////////////Pas: 32 байт
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
////////////////////////////////////////96...99
////////////////crc: 4 байт
0,0,0,0
};
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////счёт vektor_0:
void vektor_0(void) {
if (K_int[8] == 0) { //проверка MAX K_int[] больше
for (xAES=15; xAES>7; xAES--) {
if (K_int[xAES] == 0xFF) {K_int[xAES]=0;}
else {K_int[xAES]++; xAES=1;};
};
};
//if (K_int[8] != 0) {error_vektor = 1;};// установка флаг error_vektor
if (K_int[8] != 0) {vektor_full = 1;}; // флаг vektor_full
};
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////счёт vektor_1:
void vektor_1(void) {
if (K_int[56] == 0) { //проверка MAX K_int[] больше
for (xAES=63; xAES>55; xAES--) {
if (K_int[xAES] == 0xFF) {K_int[xAES]=0;}
else {K_int[xAES]++; xAES=1;};
};
};
//if (K_int[56] != 0) {error_vektor = 1;};// установка флаг error_vektor
if (K_int[56] != 0) {vektor_full = 1;}; // флаг vektor_full
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////Key_0 > KeySchedule:
void Key_0_Key(void) {
for (xAES=0; xAES<32; xAES++) {
KeySchedule[xAES] = K_int[xAES+16]; // K_int > KeySchedule
};
///////////////////////////////
KeyExpansion(); // генерация раундовых ключей
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////Key_1 > KeySchedule:
//Key_1 > KeySchedule: 32 байт
void Key_1_Key(void) {
for (xAES=0; xAES<32; xAES++) {
KeySchedule[xAES] = K_int[xAES+64]; // K_int > KeySchedule
};
///////////////////////////////
KeyExpansion(); // генерация раундовых ключей
};
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////SubBytes():
void SubBytes(void) {
for (xAES=0; xAES<16; xAES++) { // sbox > state[0...15]
b_sbox = state[xAES]; // буфер b_sbox
state[xAES] = sbox[b_sbox];
};
};
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////InvSubBytes():
void InvSubBytes(void) {
for (xAES=0; xAES<16; xAES++) { // inv_sbox > state[0...15]
inv_b_sbox = state[xAES]; // буфер inv_b_sbox
state[xAES] = inv_sbox[inv_b_sbox];
};
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////ShiftRows():
//unsigned int Rows = 0; // буфер Rows
void ShiftRows(void) {
Rows = state[1];
state[1] = state[5];
state[5] = state[9];
state[9] = state[13];
state[13] = Rows;
Rows = state[2];
state[2] = state[10];
state[10] = Rows;
Rows = state[6];
state[6] = state[14];
state[14] = Rows;
Rows = state[3];
state[3] = state[15];
state[15] = state[11];
state[11] = state[7];
state[7] = Rows;
};
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////InvShiftRows():
//unsigned int Rows = 0; // буфер Rows
void InvShiftRows(void) {
Rows = state[1];
state[1] = state[13];
state[13] = state[9];
state[9] = state[5];
state[5] = Rows;
Rows = state[2];
state[2] = state[10];
state[10] = Rows;
Rows = state[6];
state[6] = state[14];
state[14] = Rows;
Rows = state[3];
state[3] = state[7];
state[7] = state[11];
state[11] = state[15];
state[15] = Rows;
};
////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////MixColumns():
unsigned char state_0 = 0; // буфер state
unsigned char state_1 = 0; // буфер state
unsigned char state_2 = 0; // буфер state
unsigned char state_3 = 0; // буфер state
//////////////////////////////////
unsigned char bMix = 0;
void Mix(void) {
if (bMix & 0x80) bMix = ( bMix << 1 ) ^ 0x1b; //0x1B//P(x)=x^8+x^4+x^3+x+1
else bMix = bMix << 1;
};
//////////////////////////////////
void MixColumns(void) {
for (xAES=0; xAES<16; xAES=xAES+4) { // state[0...15] // 1 цикл = 0,000.4 c
////////////////////////////////// state[0]:
//*2 //n*{02}
bMix = state[xAES]; Mix(); state_0 = bMix;
//*3 //n*{02} + n*{01}
bMix = state[xAES+1]; Mix(); state_0 ^= bMix;
state_0 ^= state[xAES+1];
//*1 //n*{01}
state_0 ^= state[xAES+2];
//*1 //n*{01}
state_0 ^= state[xAES+3];
////////////////////////////////// state[1]:
//*1 //n*{01}
state_1 = state[xAES];
//*2 //n*{02}
bMix = state[xAES+1]; Mix(); state_1^= bMix;
//*3 //n*{02} + n*{01}
bMix = state[xAES+2]; Mix(); state_1^= bMix;
state_1 ^= state[xAES+2];
//*1 //n*{01}
state_1 ^= state[xAES+3];
////////////////////////////////// state[2]:
//*1 //n*{01}
state_2 = state[xAES];
//*1 //n*{01}
state_2 ^= state[xAES+1];
//*2 //n*{02}
bMix = state[xAES+2]; Mix(); state_2^= bMix;
//*3 //n*{02} + n*{01}
bMix = state[xAES+3]; Mix(); state_2^= bMix;
state_2 ^= state[xAES+3];
////////////////////////////////// state[3]:
//*3 //n*{02} + n*{01}
bMix = state[xAES]; Mix(); state_3 = bMix;
state_3 ^= state[xAES];
//*1 //n*{01}
state_3 ^= state[xAES+1];
//*1 //n*{01}
state_3 ^= state[xAES+2];
//*2 //n*{02}
bMix = state[xAES+3]; Mix();
state_3 ^= bMix;
////////////////////////////////// state_0,1,2,3 > state[0...3]:
state[xAES] = state_0; state[xAES+1] = state_1; state[xAES+2] = state_2; state[xAES+3] = state_3;
//////////////////////////////////
};
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////InvMixColumns():
void InvMixColumns(void) {
for (xAES=0; xAES<16; xAES=xAES+4) { // state[0...15]// 1 цикл = 0,001.5 c
////////////////////////////////// state[0]:
//*e //n*{02}*{02}*{02} + n*{02}*{02} + n*{02}
bMix = state[xAES]; Mix(); Mix(); Mix(); state_0 = bMix;
bMix = state[xAES]; Mix(); Mix(); state_0 ^= bMix;
bMix = state[xAES]; Mix(); state_0 ^= bMix;
//*b //n*{02}*{02}*{02} + n*{02} + n*{01}
bMix = state[xAES+1]; Mix(); Mix(); Mix(); state_0 ^= bMix;
bMix = state[xAES+1]; Mix(); state_0 ^= bMix;
state_0 ^= state[xAES+1];
//*d //n*{02}*{02}*{02} + n*{02}*{02} + n*{01}
bMix = state[xAES+2]; Mix(); Mix(); Mix(); state_0 ^= bMix;
bMix = state[xAES+2]; Mix(); Mix(); state_0 ^= bMix;
state_0 ^= state[xAES+2];
//*9 //n*{02}*{02}*{02} + n*{01}
bMix = state[xAES+3]; Mix(); Mix(); Mix(); state_0 ^= bMix;
state_0 ^= state[xAES+3];
////////////////////////////////// state[1]:
//*9 //n*{02}*{02}*{02} + n*{01}
bMix = state[xAES]; Mix(); Mix(); Mix(); state_1 = bMix;
state_1 ^= state[xAES];
//*e //n*{02}*{02}*{02} + n*{02}*{02} + n*{02}
bMix = state[xAES+1]; Mix(); Mix(); Mix(); state_1 ^= bMix;
bMix = state[xAES+1]; Mix(); Mix(); state_1 ^= bMix;
bMix = state[xAES+1]; Mix(); state_1 ^= bMix;
//*b //n*{02}*{02}*{02} + n*{02} + n*{01}
bMix = state[xAES+2]; Mix(); Mix(); Mix(); state_1 ^= bMix;
bMix = state[xAES+2]; Mix(); state_1 ^= bMix;
state_1 ^= state[xAES+2];
//*d //n*{02}*{02}*{02} + n*{02}*{02} + n*{01}
bMix = state[xAES+3]; Mix(); Mix(); Mix(); state_1 ^= bMix;
bMix = state[xAES+3]; Mix(); Mix(); state_1 ^= bMix;
state_1 ^= state[xAES+3];
////////////////////////////////// state[2]:
//*d //n*{02}*{02}*{02} + n*{02}*{02} + n*{01}
bMix = state[xAES]; Mix(); Mix(); Mix(); state_2 = bMix;
bMix = state[xAES]; Mix(); Mix(); state_2 ^= bMix;
state_2 ^= state[xAES];
//*9 //n*{02}*{02}*{02} + n*{01}
bMix = state[xAES+1]; Mix(); Mix(); Mix(); state_2 ^= bMix;
state_2 ^= state[xAES+1];
//*e //n*{02}*{02}*{02} + n*{02}*{02} + n*{02}
bMix = state[xAES+2]; Mix(); Mix(); Mix(); state_2 ^= bMix;
bMix = state[xAES+2]; Mix(); Mix(); state_2 ^= bMix;
bMix = state[xAES+2]; Mix(); state_2 ^= bMix;
//*b //n*{02}*{02}*{02} + n*{02} + n*{01}
bMix = state[xAES+3]; Mix(); Mix(); Mix(); state_2 ^= bMix;
bMix = state[xAES+3]; Mix(); state_2 ^= bMix;
state_2 ^= state[xAES+3];
////////////////////////////////// state[3]:
//*b //n*{02}*{02}*{02} + n*{02} + n*{01}
bMix = state[xAES]; Mix(); Mix(); Mix(); state_3 = bMix;
bMix = state[xAES]; Mix(); state_3 ^= bMix;
state_3 ^= state[xAES];
//*d //n*{02}*{02}*{02} + n*{02}*{02} + n*{01}
bMix = state[xAES+1]; Mix(); Mix(); Mix(); state_3 ^= bMix;
bMix = state[xAES+1]; Mix(); Mix(); state_3 ^= bMix;
state_3 ^= state[xAES+1];
//*9 //n*{02}*{02}*{02} + n*{01}
bMix = state[xAES+2]; Mix(); Mix(); Mix(); state_3 ^= bMix;
state_3 ^= state[xAES+2];
//*e //n*{02}*{02}*{02} + n*{02}*{02} + n*{02}
bMix = state[xAES+3]; Mix(); Mix(); Mix(); state_3 ^= bMix;
bMix = state[xAES+3]; Mix(); Mix(); state_3 ^= bMix;
bMix = state[xAES+3]; Mix(); state_3 ^= bMix;
////////////////////////////////// state_0,1,2,3 > state[0...3]:
state[xAES] = state_0; state[xAES+1] = state_1; state[xAES+2] = state_2; state[xAES+3] = state_3;
//////////////////////////////////
};
};
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////AddRoundKey():
void AddRoundKey(void) {
xxAES = (x_raund << 4);
for (xAES=0; xAES<16; xAES++) {
state[xAES] ^= KeySchedule[xxAES]; // state ^ KeySchedule
xxAES ++;
};
};
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////Шифрование:
void encrypt(void) {
x_raund = 0;
AddRoundKey();
for (x_raund=1; x_raund<14; x_raund++) { //x_raund=1...x_raund=14
SubBytes();
ShiftRows();
MixColumns();
AddRoundKey();
};
x_raund = 14;
SubBytes();
ShiftRows();
AddRoundKey();
};
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////Расшифрование:
void decrypt(void) {
x_raund = 14;
AddRoundKey();
for (x_raund=13; x_raund>0; x_raund--) { //x_raund=13...x_raund=1
InvShiftRows();
InvSubBytes();
AddRoundKey();
InvMixColumns();
};
x_raund = 0;
InvShiftRows();
InvSubBytes();
AddRoundKey();
};
////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////gamma TX:
unsigned char TX_gamma_st = 0; //счёт gamma TX
//////////////////////////////////////////////////////////////////шифрование TX:
void AES_TX(void) {
//выбор ключей:
//b_Key_N_ = 0,1 -Буфер Номер Key
if (b_Key_N_ != Key_N_){
/////////////////////////////////// b_Key_N_ != Key_N_ :
//////////////////////////Key_N == 0
if (Key_N_ == 0){
Key_0_Key(); // Key_0 > KeySchedule
};
//////////////////////////Key_N == 1
if (Key_N_ == 1){
Key_1_Key(); //Key_1 > KeySchedule
};
////////////////////////////////// Key_N_ > b_Key_N_
b_Key_N_ = Key_N_;
};
///////////////////////////////////////////////////////
//////////////////////////////////vektor:
//TX_int[0] = ID_Source;
//TX_int[1]...TX_int[15] = vektor[1]...vektor[15];
///////////////////////////////////////////////////////
//vektor > state
for (xAES=0; xAES<16; xAES++) {
state[xAES] = TX_int[xAES]; // TX_int > state
};
//Блок простой замены:
encrypt(); // encrypt
//vektor > TX_int
for (xAES=0; xAES<16; xAES++) {
TX_int[xAES] = state[xAES]; // state > TX_int
};
///////////////////////////////////////////////////////
for (TX_gamma_st = 16; TX_gamma_st < TX_len; TX_gamma_st = TX_gamma_st + 16) {
///////////////////////////////////////////////////////
//Блок гаммы:
///////////////////////////////////////////////////////TX: vektor > state:
//////////////////////////Key_N == 0
if (Key_N_ == 0){
/////////////////////////RX: флаг error_vektor:
//vektor_TX_0 ++
vektor_0(); // счёт vektor_0
//vektor > state
for (xAES=0; xAES<16; xAES++) {
state[xAES] = K_int[xAES]; // vektor_0 > state
};
};
//////////////////////////Key_N == 1
if (Key_N_ == 1){
/////////////////////////RX: флаг error_vektor:
//vektor_TX_1 ++
vektor_1(); // счёт vektor_1
//vektor > state
for (xAES=0; xAES<16; xAES++) {
state[xAES] = K_int[xAES+48]; // vektor_1 > state
};
};
///////////////////////////////////////////////////////
//Блок простой замены:
encrypt(); // encrypt
//цикл шифрования:
for (xAES=0; xAES<16; xAES++) {
TX_int[xAES+TX_gamma_st] ^= state[xAES]; // state ^ TX_int
};
};//TX_gamma_st + 16
///////////////////////////////////////////////////////
};//AES_TX
////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////gamma RX:
unsigned char RX_gamma_st = 0; //счёт gamma RX
//////////////////////////////////////////////////////////////////////vektor_RX:
unsigned char vektor_RX[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; //16 байт
///////////////////////////////////////////////////////////////расшифрование RX:
void AES_RX(void) {
///////////////////////////////////////////////////////
//////////////////////////////////vektor:
//TX_int[0] = ID_Source;
//TX_int[1]...TX_int[15] = vektor[1]...vektor[15];
///////////////////////////////////////////////////////
//Входной блок > state
for (xAES=0; xAES<16; xAES++) {
state[xAES] = TX_int[xAES]; // TX_int > state
};
//Блок простой замены:
decrypt(); // decrypt
//vektor > vektor_RX
for (xAES=0; xAES<16; xAES++) {
vektor_RX[xAES] = state[xAES]; // state > vektor_RX
};
//vektor > RX_int
for (xAES=0; xAES<16; xAES++) {
TX_int[xAES] = vektor_RX[xAES]; // vektor_RX > TX_int
};
///////////////////////////////////////////////////////
for (RX_gamma_st = 16; RX_gamma_st < RX_len; RX_gamma_st = RX_gamma_st + 16) {
///////////////////////////////////////////////////////
//Блок гаммы:
////////////////////////////////////////////////////////
//vektor_RX ++
for (xAES=15; xAES>7; xAES--) {
if (vektor_RX[xAES] == 0xFF) {vektor_RX[xAES]=0;}
else {vektor_RX[xAES]++; xAES=1;};
};
//vektor_RX > state
for (xAES=0; xAES<16; xAES++) {
state[xAES] = vektor_RX[xAES]; // vektor_RX > state
};
////////////////////////////////////////////////////////
//Блок простой замены:
encrypt(); // encrypt
//цикл расшифрования:
for (xAES=0; xAES<16; xAES++) {
TX_int[xAES+RX_gamma_st] ^= state[xAES]; // TX_int ^ state
};
};
};
////////////////////////////////////////////////////////////////////////////////