Cleanups
This commit is contained in:
parent
df56eae9a0
commit
b97863a47e
@ -4,159 +4,138 @@ using System.Linq;
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using System.Text;
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using System.Text;
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using System.IO;
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using System.IO;
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namespace CorrelationsAttacker
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namespace CorrelationsAttacker {
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{
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class Program {
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class Program
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static int[] sbox = {
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{
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
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static int[] sbox = {
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0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
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0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
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0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
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0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
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0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
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0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
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0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
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0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
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0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
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0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
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0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
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0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
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0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
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0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
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0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
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0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
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static void Main(string[] args) {
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0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};
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if (args.Length != 1) {
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static void Main(string[] args)
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Console.WriteLine("programm.exe [in.txt]");
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{
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Environment.Exit(1);
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if(args.Length != 1)
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}
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{
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Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" +
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Console.WriteLine("programm.exe [in.txt]");
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"\nname input file required: " + args[0] +
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Environment.Exit(1);
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"\n______________________________________________________________");
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}
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DateTime t = DateTime.Now;
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Console.WriteLine("===============| AES dpa Correlation Attack v1.0 |============" +
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int[][] eingabe = einlesen(args[0]); //Daten einklesen
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"\nname input file required: " + args[0] +
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int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs
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"\n______________________________________________________________");
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int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1)
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DateTime t = DateTime.Now;
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float[] koof = getCorrelation(hamming, eingabe[1]); //Starts the Calculation incl. output
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int[][] eingabe = einlesen(args[0]); //Daten einklesen
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Console.WriteLine("Schlüsselkandidat: " + (int)koof[1] + "\nZugehöriger Korrelationskoeffizient: " + koof[0]);
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int[][] xored = xOrSBox(eingabe[0]); //S-Boxing inputs
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Console.WriteLine("_____________________________________________________\n" +
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int[][] hamming = getHammingDistance(xored); //Calcs Hamming distance of S-Box Results (amount of Bits set 1)
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"Verbrauchte Zeit: " + (TimeSpan)(DateTime.Now - t) + "ms");
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float[] koof = getCorrelation(hamming,eingabe[1]); //Starts the Calculation incl. output
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Console.ReadKey();
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Console.WriteLine("Schlüsselkandidat: " + (int)koof[1] + "\nZugehöriger Korrelationskoeffizient: "+ koof[0]);
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Console.WriteLine("_____________________________________________________\n" +
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"Verbrauchte Zeit: "+(TimeSpan)(DateTime.Now-t)+"ms");
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Console.ReadKey();
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}
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private static int[][] einlesen(String filename)
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{
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if(!File.Exists(filename))
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{
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Console.WriteLine("Datei "+filename+" nicht vorhanden");
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Environment.Exit(1);
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}
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StreamReader buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
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int zeilen = 0;
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while(!buffer.EndOfStream)
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{
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if(buffer.ReadLine().Length == 0)
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continue;
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zeilen++;
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}
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buffer.Close();
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buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
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int[][] ret = new int[2][];
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ret[0] = new int[zeilen];
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ret[1] = new int[zeilen];
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for (int i = 0; i < zeilen; i++ )
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{
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String dateiString = buffer.ReadLine();
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ret[0][i] = Convert.ToInt32(dateiString.Substring(0, 2), 16);
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ret[1][i] = Convert.ToInt32(dateiString.Substring(4, 2));
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}
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return ret;
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}
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private static int[][] xOrSBox(int[] inputX)
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{
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int[][] xored = new int[inputX.Length][];
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for(int i=0;i<inputX.Length;i++)
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{
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xored[i] = new int[256];
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for(int k=0;k<256;k++)
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{
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xored[i][k]=sbox[inputX[i]^k];
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}
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}
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return xored;
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}
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private static int[][] getHammingDistance(int[][] xored)
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{
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int[][] hamming = new int[xored.Length][];
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for(int i=0;i<xored.Length;i++)
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{
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hamming[i] = new int[xored[0].Length];
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for(int j=0;j<xored[0].Length;j++)
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{
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hamming[i][j]=countBits(xored[i][j]);
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}
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}
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return hamming;
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}
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private static int countBits(int x)
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{
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int count = 0;
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while (x != 0)
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{
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x &= x - 1;
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count++;
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}
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return count;
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}
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private static float[] getCorrelation(int[][] hamming, int[] eingabe)
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{
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float[] ret = new float[2];
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for (int i = 0; i < hamming[0].Length; i++)
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{
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int x = 0, y = 0;
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for (int j = 0; j < hamming.Length; j++)
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{
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x += eingabe[j];
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y += hamming[j][i];
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}
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float mittel_x = x / hamming.Length;
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float mittel_y = y / hamming.Length;
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float summe1 = 0, summe2 = 0, summe3 = 0;
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for (int j = 0; j < hamming.Length; j++)
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{
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summe1 += (eingabe[j] - mittel_x) * (hamming[j][i] - mittel_y);
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summe2 += (eingabe[j] - mittel_x) * (eingabe[j] - mittel_x);
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summe3 += (hamming[j][i] - mittel_y) * (hamming[j][i] - mittel_y);
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}
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summe2 = (float)Math.Sqrt(summe2);
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summe3 = (float)Math.Sqrt(summe3);
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float c = Math.Abs(summe1 / (summe2 * summe3));
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if (c > ret[0])
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{
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ret[0] = c;
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ret[1] = i;
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}
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}
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return ret;
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}
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}
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}
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private static int[][] einlesen(String filename) {
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if (!File.Exists(filename)) {
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Console.WriteLine("Datei " + filename + " nicht vorhanden");
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Environment.Exit(1);
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}
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StreamReader buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
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int zeilen = 0;
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while (!buffer.EndOfStream) {
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if (buffer.ReadLine().Length == 0)
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continue;
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zeilen++;
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}
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buffer.Close();
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buffer = new StreamReader(filename, System.Text.Encoding.ASCII);
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int[][] ret = new int[2][];
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ret[0] = new int[zeilen];
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ret[1] = new int[zeilen];
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for (int i = 0; i < zeilen; i++) {
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String dateiString = buffer.ReadLine();
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ret[0][i] = Convert.ToInt32(dateiString.Substring(0, 2), 16);
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ret[1][i] = Convert.ToInt32(dateiString.Substring(4, 2));
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}
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return ret;
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}
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private static int[][] xOrSBox(int[] inputX) {
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int[][] xored = new int[inputX.Length][];
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for (int i = 0; i < inputX.Length; i++) {
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xored[i] = new int[256];
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for (int k = 0; k < 256; k++) {
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xored[i][k] = sbox[inputX[i] ^ k];
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}
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}
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return xored;
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}
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private static int[][] getHammingDistance(int[][] xored) {
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int[][] hamming = new int[xored.Length][];
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for (int i = 0; i < xored.Length; i++) {
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hamming[i] = new int[xored[0].Length];
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for (int j = 0; j < xored[0].Length; j++) {
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hamming[i][j] = countBits(xored[i][j]);
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}
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}
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return hamming;
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}
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private static int countBits(int x) {
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int count = 0;
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while (x != 0) {
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x &= x - 1;
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count++;
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}
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return count;
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}
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private static float[] getCorrelation(int[][] hamming, int[] eingabe) {
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float[] ret = new float[2];
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for (int i = 0; i < hamming[0].Length; i++) {
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int x = 0, y = 0;
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for (int j = 0; j < hamming.Length; j++) {
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x += eingabe[j];
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y += hamming[j][i];
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}
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float mittel_x = x / hamming.Length;
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float mittel_y = y / hamming.Length;
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float summe1 = 0, summe2 = 0, summe3 = 0;
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for (int j = 0; j < hamming.Length; j++) {
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summe1 += (eingabe[j] - mittel_x) * (hamming[j][i] - mittel_y);
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summe2 += (eingabe[j] - mittel_x) * (eingabe[j] - mittel_x);
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summe3 += (hamming[j][i] - mittel_y) * (hamming[j][i] - mittel_y);
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}
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summe2 = (float)Math.Sqrt(summe2);
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summe3 = (float)Math.Sqrt(summe3);
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float c = Math.Abs(summe1 / (summe2 * summe3));
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if (c > ret[0]) {
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ret[0] = c;
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ret[1] = i;
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}
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}
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return ret;
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}
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}
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}
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}
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/*
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/*
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public class Main {
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public class Main {
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