This commit is contained in:
BlubbFish 2018-09-06 20:26:38 +00:00
parent df56eae9a0
commit b97863a47e

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@ -4,159 +4,138 @@ using System.Linq;
using System.Text; using System.Text;
using System.IO; using System.IO;
namespace CorrelationsAttacker namespace CorrelationsAttacker {
{ class Program {
class Program static int[] sbox = {
{ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
static int[] sbox = { 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, static void Main(string[] args) {
0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16}; if (args.Length != 1) {
static void Main(string[] args) Console.WriteLine("programm.exe [in.txt]");
{ Environment.Exit(1);
if(args.Length != 1) }
{ Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" +
Console.WriteLine("programm.exe [in.txt]"); "\nname input file required: " + args[0] +
Environment.Exit(1); "\n______________________________________________________________");
} DateTime t = DateTime.Now;
Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" + int[][] eingabe = einlesen(args[0]); //Daten einklesen
"\nname input file required: " + args[0] + int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs
"\n______________________________________________________________"); int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1)
DateTime t = DateTime.Now; float[] koof = getCorrelation(hamming, eingabe[1]); //Starts the Calculation incl. output
int[][] eingabe = einlesen(args[0]); //Daten einklesen Console.WriteLine("Schlüsselkandidat: " + (int)koof[1] + "\nZugehöriger Korrelationskoeffizient: " + koof[0]);
int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs Console.WriteLine("_____________________________________________________\n" +
int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1) "Verbrauchte Zeit: " + (TimeSpan)(DateTime.Now - t) + "ms");
float[] koof = getCorrelation(hamming,eingabe[1]); //Starts the Calculation incl. output Console.ReadKey();
Console.WriteLine("Schlüsselkandidat: " + (int)koof[1] + "\nZugehöriger Korrelationskoeffizient: "+ koof[0]);
Console.WriteLine("_____________________________________________________\n" +
"Verbrauchte Zeit: "+(TimeSpan)(DateTime.Now-t)+"ms");
Console.ReadKey();
}
private static int[][] einlesen(String filename)
{
if(!File.Exists(filename))
{
Console.WriteLine("Datei "+filename+" nicht vorhanden");
Environment.Exit(1);
}
StreamReader buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
int zeilen = 0;
while(!buffer.EndOfStream)
{
if(buffer.ReadLine().Length == 0)
continue;
zeilen++;
}
buffer.Close();
buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
int[][] ret = new int[2][];
ret[0] = new int[zeilen];
ret[1] = new int[zeilen];
for (int i = 0; i < zeilen; i++ )
{
String dateiString = buffer.ReadLine();
ret[0][i] = Convert.ToInt32(dateiString.Substring(0, 2), 16);
ret[1][i] = Convert.ToInt32(dateiString.Substring(4, 2));
}
return ret;
}
private static int[][] xOrSBox(int[] inputX)
{
int[][] xored = new int[inputX.Length][];
for(int i=0;i<inputX.Length;i++)
{
xored[i] = new int[256];
for(int k=0;k<256;k++)
{
xored[i][k]=sbox[inputX[i]^k];
}
}
return xored;
}
private static int[][] getHammingDistance(int[][] xored)
{
int[][] hamming = new int[xored.Length][];
for(int i=0;i<xored.Length;i++)
{
hamming[i] = new int[xored[0].Length];
for(int j=0;j<xored[0].Length;j++)
{
hamming[i][j]=countBits(xored[i][j]);
}
}
return hamming;
}
private static int countBits(int x)
{
int count = 0;
while (x != 0)
{
x &= x - 1;
count++;
}
return count;
}
private static float[] getCorrelation(int[][] hamming, int[] eingabe)
{
float[] ret = new float[2];
for (int i = 0; i < hamming[0].Length; i++)
{
int x = 0, y = 0;
for (int j = 0; j < hamming.Length; j++)
{
x += eingabe[j];
y += hamming[j][i];
}
float mittel_x = x / hamming.Length;
float mittel_y = y / hamming.Length;
float summe1 = 0, summe2 = 0, summe3 = 0;
for (int j = 0; j < hamming.Length; j++)
{
summe1 += (eingabe[j] - mittel_x) * (hamming[j][i] - mittel_y);
summe2 += (eingabe[j] - mittel_x) * (eingabe[j] - mittel_x);
summe3 += (hamming[j][i] - mittel_y) * (hamming[j][i] - mittel_y);
}
summe2 = (float)Math.Sqrt(summe2);
summe3 = (float)Math.Sqrt(summe3);
float c = Math.Abs(summe1 / (summe2 * summe3));
if (c > ret[0])
{
ret[0] = c;
ret[1] = i;
}
}
return ret;
}
} }
private static int[][] einlesen(String filename) {
if (!File.Exists(filename)) {
Console.WriteLine("Datei " + filename + " nicht vorhanden");
Environment.Exit(1);
}
StreamReader buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
int zeilen = 0;
while (!buffer.EndOfStream) {
if (buffer.ReadLine().Length == 0)
continue;
zeilen++;
}
buffer.Close();
buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
int[][] ret = new int[2][];
ret[0] = new int[zeilen];
ret[1] = new int[zeilen];
for (int i = 0; i < zeilen; i++) {
String dateiString = buffer.ReadLine();
ret[0][i] = Convert.ToInt32(dateiString.Substring(0, 2), 16);
ret[1][i] = Convert.ToInt32(dateiString.Substring(4, 2));
}
return ret;
}
private static int[][] xOrSBox(int[] inputX) {
int[][] xored = new int[inputX.Length][];
for (int i = 0; i < inputX.Length; i++) {
xored[i] = new int[256];
for (int k = 0; k < 256; k++) {
xored[i][k] = sbox[inputX[i] ^ k];
}
}
return xored;
}
private static int[][] getHammingDistance(int[][] xored) {
int[][] hamming = new int[xored.Length][];
for (int i = 0; i < xored.Length; i++) {
hamming[i] = new int[xored[0].Length];
for (int j = 0; j < xored[0].Length; j++) {
hamming[i][j] = countBits(xored[i][j]);
}
}
return hamming;
}
private static int countBits(int x) {
int count = 0;
while (x != 0) {
x &= x - 1;
count++;
}
return count;
}
private static float[] getCorrelation(int[][] hamming, int[] eingabe) {
float[] ret = new float[2];
for (int i = 0; i < hamming[0].Length; i++) {
int x = 0, y = 0;
for (int j = 0; j < hamming.Length; j++) {
x += eingabe[j];
y += hamming[j][i];
}
float mittel_x = x / hamming.Length;
float mittel_y = y / hamming.Length;
float summe1 = 0, summe2 = 0, summe3 = 0;
for (int j = 0; j < hamming.Length; j++) {
summe1 += (eingabe[j] - mittel_x) * (hamming[j][i] - mittel_y);
summe2 += (eingabe[j] - mittel_x) * (eingabe[j] - mittel_x);
summe3 += (hamming[j][i] - mittel_y) * (hamming[j][i] - mittel_y);
}
summe2 = (float)Math.Sqrt(summe2);
summe3 = (float)Math.Sqrt(summe3);
float c = Math.Abs(summe1 / (summe2 * summe3));
if (c > ret[0]) {
ret[0] = c;
ret[1] = i;
}
}
return ret;
}
}
} }
/* /*
public class Main { public class Main {