From b97863a47e7b8f2c93c710622b3c5caacf3d6d51 Mon Sep 17 00:00:00 2001 From: BlubbFish Date: Thu, 6 Sep 2018 20:26:38 +0000 Subject: [PATCH] Cleanups --- CorrelationsAttacker/Program.cs | 293 +++++++++++++++----------------- 1 file changed, 136 insertions(+), 157 deletions(-) diff --git a/CorrelationsAttacker/Program.cs b/CorrelationsAttacker/Program.cs index 88428a1..7c36281 100644 --- a/CorrelationsAttacker/Program.cs +++ b/CorrelationsAttacker/Program.cs @@ -4,165 +4,144 @@ using System.Linq; using System.Text; using System.IO; -namespace CorrelationsAttacker -{ - class Program - { - static int[] 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}; - static void Main(string[] args) - { - if(args.Length != 1) - { - Console.WriteLine("programm.exe [in.txt]"); - Environment.Exit(1); - } - Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" + - "\nname input file required: " + args[0] + - "\n______________________________________________________________"); - DateTime t = DateTime.Now; - int[][] eingabe = einlesen(args[0]); //Daten einklesen - int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs - int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1) - float[] koof = getCorrelation(hamming,eingabe[1]); //Starts the Calculation incl. output - 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 ret[0]) - { - ret[0] = c; - ret[1] = i; - } - } - return ret; - } +namespace CorrelationsAttacker { + class Program { + static int[] 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}; + static void Main(string[] args) { + if (args.Length != 1) { + Console.WriteLine("programm.exe [in.txt]"); + Environment.Exit(1); + } + Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" + + "\nname input file required: " + args[0] + + "\n______________________________________________________________"); + DateTime t = DateTime.Now; + int[][] eingabe = einlesen(args[0]); //Daten einklesen + int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs + int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1) + float[] koof = getCorrelation(hamming, eingabe[1]); //Starts the Calculation incl. output + 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; + } + } } /* public class Main { - - - - - + + + + + }*/ \ No newline at end of file