输入K0到K3 输出K4到K7
- main函数（main.cpp）
#include
#include"AES-2016123068.h"
using namespace std;
int main(int argc, char * argv[])
{
AES_068();
printf("\n");
}
- 处理函数头文件（AES-2016123068.h）
#pragma once
void AES_068();
void seach_sbox();
void seach(int m, int n, int i);
void _xor();
- 处理文件（AES-2016123068.cpp）
#include
#include
#include
#include"AES-2016123068.h"
#define N 4
int sbox[16][16] =
{
{ 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 },
};
int Rcon[10] = { 0x01000000,0x02000000,0x04000000,0x08000000,0x10000000,0x20000000,0x40000000,0x80000000,
0x1b000000,0x36000000};
int i, j, k,m,n,t=0,flag=1;
long long int c, v, temp;
int p = 4;
int get[4][4];
int _get[4];
int s_get[4];
long long int put[4];
char str[4][10];
void AES_068() {
printf("请输入数据：");
for (i = 0; i<4;i++) {
for (j = 0; j < 4; j++) {
scanf("%x", &get[j][i]);
}
}
if (p % 4 == 0)
for (i = 0; i < 4; i++) {
_get[(i+3)%4]=get[i][p-1];
}
while (flag)
{
if (p % 4 == 0) {
for (i = 0; i < 4; i++) {
itoa(_get[i], str[i], 16);
}
seach_sbox();
_xor();
printf("%08x", put[p - 4]);
printf("\n");
p++;
}
else {
for (i = 0; i<4; i++) {
s_get[i] = get[i][t];
}
for (i = 0; i < 4; i++) {
c |= ((unsigned int)s_get[3 - i] & 0xFFu) << (i * 8);
}
put[p - 4] = c^put[p - 5];
c = 0;
printf("%08x", put[p - 4]);
printf("\n");
p++;
t++;
if (p == 8)
flag = 0;
}
}
}
void seach_sbox() {
for (i = 0; i < 4; i++) {
if (str[i][1]=='\0') {
m = 0;
n = str[i][0]-48;
seach(m, n, i);
}
else {
if (str[i][0] - 48 >= 0 && str[i][0] - 48 <= 9) {
m = str[i][0] - 48;
}
else {
if (str[i][0] == 'a') {
m = 10;
}
if (str[i][0] == 'b') {
m = 11;
}
if (str[i][0] == 'c') {
m = 12;
}
if (str[i][0] == 'd') {
m = 13;
}
if (str[i][0] == 'e') {
m = 14;
}
if (str[i][0] == 'f') {
m = 15;
}
}
if (str[i][1] - 48 >= 0 && str[i][1] - 48 <= 9) {
n = str[i][0] - 48;
}
else {
if (str[i][1] == 'a') {
n = 10;
}
if (str[i][1] == 'b') {
n = 11;
}
if (str[i][1] == 'c') {
n = 12;
}
if (str[i][1] == 'd') {
n = 13;
}
if (str[i][1] == 'e') {
n = 14;
}
if (str[i][1] == 'f') {
n = 15;
}
}
seach(m, n, i);
}
}
}
void seach(int m, int n, int i) {
s_get[i] = sbox[m][n];
}
void _xor() {
for (i = 0; i < 4; i++) {
c |= ((unsigned int)s_get[3 - i] & 0xFFu) << (i * 8);
}
v = Rcon[p / N - 1];
temp = v^c;
c = 0;
for (i = 0; i<4; i++) {
s_get[i] = get[i][t];
}
t++;
for (i = 0; i < 4; i++) {
c |= ((unsigned int)s_get[3 - i] & 0xFFu) << (i * 8);
}
put[p - 4] = c^temp;
c = 0;
}
- 运行结果
