From: couturie <couturie@extinction>
Date: Mon, 25 Sep 2017 07:20:12 +0000 (+0200)
Subject: new
X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/Cipher_code.git/commitdiff_plain/b10cad1b1a4f87f61815936361592e99bffa1b2a

new
---

diff --git a/IDA/lena.png b/IDA/lena.png
new file mode 100644
index 0000000..5806c58
Binary files /dev/null and b/IDA/lena.png differ
diff --git a/IDA/test_mat.cpp b/IDA/test_mat.cpp
new file mode 100644
index 0000000..254b03c
--- /dev/null
+++ b/IDA/test_mat.cpp
@@ -0,0 +1,243 @@
+// g++ -std=c++11 -O4 -msse2 -msse3 -msse4 -fopenmp  -O3   test_mat.cpp -o test_mat   -I /home/couturie/tools/armadillo-6.200.5/include/ -lc   -lm -lpthread -lgfortran -DMAX_STACK_ALLOC=2048 -Wall -m64 -DF_INTERFACE_GFORT -fPIC -DSMP_SERVER -DNO_WARMUP -DMAX_CPU_NUMBER=8  -DNO_AFFINITY   -UCOMPLEX -DDOUBLE -I/home/couturie/tools/openblas/include -I/home/couturie/Downloads/OpenBLAS-0.2.15/  /home/couturie/tools/openblas/lib/libopenblas_haswellp-r0.2.15.a
+
+
+
+#include <armadillo>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+
+#include <iostream>     // std::cout, std::fixed
+#include <iomanip>
+#include <math.h>
+
+using namespace arma;
+using namespace std;
+int key_size=256;
+
+typedef unsigned char byte;
+
+
+void rc4key(byte *key, byte *sc, int size_DK) {
+
+  for(int i=0;i<256;i++) {
+    sc[i]=i;
+  }
+
+
+  byte j0 = 0;
+  for(int i0=0; i0<256; i0++) {
+    j0 = (j0 + sc[i0] + key[i0%size_DK] )&0xFF;
+    byte tmp = sc[i0];
+    sc[i0] = sc[j0 ];
+    sc[j0] = tmp;
+  }
+}
+
+
+void prga(byte *sc, int ldata, byte *r) {
+  byte i0=0;
+  byte j0=0;
+
+  for (int it=0; it<ldata; it++) {
+    i0 = ((i0+1)&0xFE); //%255);
+    j0 = (j0 + sc[i0])&0xFF;
+    byte tmp = sc[i0];
+    sc[i0] = sc[j0];
+    sc[j0] = tmp;
+    r[it]=sc[(sc[i0]+sc[j0])&0xFF]%254+1;
+  }
+}
+
+
+void rc4keyperm(byte *key,int len, int rp,byte *sc, int size_DK) {
+
+  //sc=1:len;
+
+
+  
+  for (int i=0;i<len;i++) {
+    sc[i]=i;
+  }
+  for (int it = 0; it < rp; it++) {
+    int j0 = 1;
+    for(int i0 = 0; i0<len; i0++) {
+      j0 = (j0 + sc[i0] + sc[j0] + key[i0%size_DK] )% len;
+      int tmp = sc[i0];
+      sc[i0] = sc[j0];
+      sc[j0] = tmp;
+    }
+
+  }
+}
+
+
+Mat<byte> readFile(int n, int k, int& sizeFile, int &lc) {
+
+  ifstream stream("/home/couturie/ajeter/lena.png", ios::in | ios::binary | ios::ate);
+  sizeFile=stream.tellg();
+  cout<<sizeFile<<endl;
+  stream.seekg(0, ios::beg);
+
+  
+  lc=ceil(double(sizeFile)/k);
+  cout<<lc<<endl;
+
+  vector<uint8_t> contents2(n*lc,0);
+  vector<uint8_t> contents((istreambuf_iterator<char>(stream)), istreambuf_iterator<char>());
+  copy ( contents.begin(), contents.end(), contents2.begin() );
+
+  
+
+
+  Mat<byte> matData(&contents2[0],1,contents2.size());
+
+  cout << "file size: " << contents2.size() << endl;
+
+  matData.reshape(n,lc);
+  cout<<matData.n_rows<<" "<<matData.n_cols<<endl;
+  return matData;
+}
+
+
+int main( int argc, char *argv[] ) {
+
+
+  int q=2;
+  int n=8;
+  int k=4;
+  int Tb=64;
+  int l=10;//399*Tb;
+
+
+  
+  int key_size=32;
+  int seed=time(NULL);
+  cout<<seed<<endl;
+  srand48(seed);
+
+  byte Secretkey[key_size];
+
+  byte counter[key_size];
+
+  for(int i=0;i<key_size;i++) {
+    Secretkey[i]=lrand48()&0xFF;
+    counter[i]=lrand48()&0xFF;
+  }
+
+  
+  byte DK[key_size];
+  for (int i = 0; i < key_size ; i++) {
+    DK[i]=Secretkey[i]^counter[i];
+  }
+
+
+  byte Sbox[256];
+  byte RM1[q*n*n/4];
+  byte sc[256];
+  
+  rc4key(DK, Sbox, 8);
+  prga(Sbox, q*n*n/4, RM1);
+
+
+  byte PboxV[l/Tb];
+    
+  rc4keyperm(&DK[8], l/Tb, 1, PboxV, 16);
+
+  cout<<"rprree"<<endl;
+  Cube<byte> rm1(RM1,1,1,q*n*n/4);
+  rm1.reshape(n/2,n/2,q);
+  
+  cout<<"rm1"<<endl;
+  cout<<rm1<<endl;
+
+
+
+
+// Initialization of IDA and inverse IDA matrix
+  Cube<byte> IDAmat(n,n,q);
+  Cube<short> invIDAmat(n,n,q);
+
+//  Construction of the IDA matrices
+  for(int i=0;i<q;i++) {
+    Mat<byte> sub(n,n);
+    sub.submat(0,0,n/2-1,n/2-1)=rm1.slice(i);
+    sub.submat(0,n/2,n/2-1,n-1)=rm1.slice(i)+eye<Mat<byte>>(n/2,n/2);
+    sub.submat(n/2,0,n-1,n/2-1)=rm1.slice(i)-eye<Mat<byte>>(n/2,n/2);
+    sub.submat(n/2,n/2,n-1,n-1)=rm1.slice(i);
+
+/*    cout<<"sub "<<i<<endl;
+    cout<<sub<<endl;
+
+    cout<<"det"<<endl;
+    mat toto=conv_to<mat>::from(sub);
+    cout<<det(toto)<<endl;
+*/
+    IDAmat.slice(i)=sub;
+
+    Mat<short> sub2(n,n);
+    Mat<short> rm2=conv_to<Mat<short>>::from(rm1.slice(i));
+    sub2.submat(0,0,n/2-1,n/2-1)=rm2;
+    sub2.submat(0,n/2,n/2-1,n-1)=-rm2-eye<Mat<short>>(n/2,n/2);
+    sub2.submat(n/2,0,n-1,n/2-1)=-rm2+eye<Mat<short>>(n/2,n/2);
+    sub2.submat(n/2,n/2,n-1,n-1)=rm2;
+
+    cout<<"det"<<endl;
+    mat toto=conv_to<mat>::from(sub2);
+    cout<<det(toto)<<endl;
+
+    invIDAmat.slice(i)=sub2;
+
+  }
+  cout<<IDAmat<<endl;
+  
+  cout<<invIDAmat<<endl;
+  // rc4key(&DK[8], sc, 16);
+  
+  
+
+  
+ 
+ 
+  arma_rng::set_seed(time(NULL));
+
+
+  int lc;
+  int sizeFile;
+  Mat<byte> M=readFile(n,k,sizeFile,lc);
+
+//  Ma<byte> data;
+//  data.load("/home/couturie/ajeter/lena.png");
+  
+  /* Mat<byte> M=conv_to<Mat<byte>>::from(randi(k,l));
+  M=abs(M);
+  M=M - floor(M/255)*255;*/
+
+/*  cout<<"M"<<endl;
+  cout<<M<<endl;
+  cout<<"C"<<endl;
+  cout<<C<<endl;
+*/
+
+  
+  Mat<byte> C=IDAmat.slice(0)*M;
+  M.save("M.bin",raw_binary);
+  Mat<short> D=invIDAmat.slice(0)*C;
+
+
+  Mat<char> D2=conv_to<Mat<char>>::from(D);
+//  cout<<"D2"<<endl;
+//  cout<<D2<<endl;
+//  D2.save("D2.bin",raw_binary);
+  D2.reshape(1,n*lc);
+  Row<char> d2=D2.row(0);
+  byte* vec=(byte*)d2.memptr();
+
+  FILE* pFile = fopen ("myfile.png", "wb");
+  fwrite (vec , sizeof(byte), sizeFile, pFile);
+  fclose (pFile);
+}
diff --git a/IDA/test_mat2.cpp b/IDA/test_mat2.cpp
new file mode 100644
index 0000000..e61ecac
--- /dev/null
+++ b/IDA/test_mat2.cpp
@@ -0,0 +1,264 @@
+// g++ -std=c++11 -O4 -msse2 -msse3 -msse4 -fopenmp  -O3   test_mat2.cpp -o test_mat2   -I /home/couturie/tools/armadillo-6.200.5/include/ -lc   -lm -lpthread -lgfortran -DMAX_STACK_ALLOC=2048 -Wall -m64 -DF_INTERFACE_GFORT -fPIC -DSMP_SERVER -DNO_WARMUP -DMAX_CPU_NUMBER=8  -DNO_AFFINITY   -UCOMPLEX -DDOUBLE -I/home/couturie/tools/openblas/include -I/home/couturie/Downloads/OpenBLAS-0.2.15/  /home/couturie/tools/openblas/lib/libopenblas_haswellp-r0.2.15.a
+
+
+
+#include <armadillo>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+
+#include <iostream>     // std::cout, std::fixed
+#include <iomanip>
+#include <math.h>
+
+using namespace arma;
+using namespace std;
+int key_size=256;
+
+typedef unsigned char byte;
+
+
+void rc4key(byte *key, byte *sc, int size_DK) {
+
+  for(int i=0;i<256;i++) {
+    sc[i]=i;
+  }
+
+
+  byte j0 = 0;
+  for(int i0=0; i0<256; i0++) {
+    j0 = (j0 + sc[i0] + key[i0%size_DK] )&0xFF;
+    byte tmp = sc[i0];
+    sc[i0] = sc[j0 ];
+    sc[j0] = tmp;
+  }
+}
+
+
+void prga(byte *sc, int ldata, byte *r) {
+  byte i0=0;
+  byte j0=0;
+
+  for (int it=0; it<ldata; it++) {
+    i0 = ((i0+1)&0xFE); //%255);
+    j0 = (j0 + sc[i0])&0xFF;
+    byte tmp = sc[i0];
+    sc[i0] = sc[j0];
+    sc[j0] = tmp;
+    r[it]=sc[(sc[i0]+sc[j0])&0xFF]%254+1;
+  }
+}
+
+
+void rc4keyperm(byte *key,int len, int rp,byte *sc, int size_DK) {
+
+  //sc=1:len;
+
+
+  
+  for (int i=0;i<len;i++) {
+    sc[i]=i;
+  }
+  for (int it = 0; it < rp; it++) {
+    int j0 = 1;
+    for(int i0 = 0; i0<len; i0++) {
+      j0 = (j0 + sc[i0] + sc[j0] + key[i0%size_DK] )% len;
+      int tmp = sc[i0];
+      sc[i0] = sc[j0];
+      sc[j0] = tmp;
+    }
+
+  }
+}
+
+
+Mat<byte> readFile(int n, int k, int& sizeFile, int &lc) {
+
+  ifstream stream("/home/couturie/ajeter/lena.png", ios::in | ios::binary | ios::ate);
+//  ifstream stream("/home/couturie/ajeter/lena_small.png", ios::in | ios::binary | ios::ate);
+  sizeFile=stream.tellg();
+  cout<<sizeFile<<endl;
+  stream.seekg(0, ios::beg);
+
+  
+  lc=ceil(double(sizeFile)/k);
+  cout<<lc<<endl;
+
+  vector<uint8_t> contents2(n*lc,0);
+  vector<uint8_t> contents((istreambuf_iterator<char>(stream)), istreambuf_iterator<char>());
+  copy ( contents.begin(), contents.end(), contents2.begin() );
+
+  
+
+
+  Mat<byte> matData(&contents2[0],1,contents2.size());
+
+  cout << "file size: " << contents2.size() << endl;
+
+  matData.reshape(n,lc);
+  cout<<matData.n_rows<<" "<<matData.n_cols<<endl;
+  return matData;
+}
+
+
+
+void buildFullRankIDA(Cube<byte>& IDAmat, Cube<short> &invIDAmat, int q, int n, byte* DK) {
+
+  byte Sbox[256];
+  byte RM1[q*n*n/4];
+ 
+  
+  rc4key(DK, Sbox, 8);
+  prga(Sbox, q*n*n/4, RM1);
+  Cube<byte> rm1(RM1,1,1,q*n*n/4);
+  rm1.reshape(n/2,n/2,q);
+  
+  cout<<"rm1"<<endl;
+  cout<<rm1<<endl;
+
+
+  
+
+//  Construction of the IDA matrices
+  for(int i=0;i<q;i++) {
+    Mat<byte> sub(n,n);
+    sub.submat(0,0,n/2-1,n/2-1)=rm1.slice(i);
+    sub.submat(0,n/2,n/2-1,n-1)=rm1.slice(i)+eye<Mat<byte>>(n/2,n/2);
+    sub.submat(n/2,0,n-1,n/2-1)=rm1.slice(i)-eye<Mat<byte>>(n/2,n/2);
+    sub.submat(n/2,n/2,n-1,n-1)=rm1.slice(i);
+
+/*    cout<<"sub "<<i<<endl;
+    cout<<sub<<endl;
+
+    cout<<"det"<<endl;
+    mat toto=conv_to<mat>::from(sub);
+    cout<<det(toto)<<endl;
+*/
+    IDAmat.slice(i)=sub;
+
+    Mat<short> sub2(n,n);
+    Mat<short> rm2=conv_to<Mat<short>>::from(rm1.slice(i));
+    sub2.submat(0,0,n/2-1,n/2-1)=rm2;
+    sub2.submat(0,n/2,n/2-1,n-1)=-rm2-eye<Mat<short>>(n/2,n/2);
+    sub2.submat(n/2,0,n-1,n/2-1)=-rm2+eye<Mat<short>>(n/2,n/2);
+    sub2.submat(n/2,n/2,n-1,n-1)=rm2;
+
+    cout<<"det"<<endl;
+    mat toto=conv_to<mat>::from(sub2);
+    cout<<det(toto)<<endl;
+
+    invIDAmat.slice(i)=sub2;
+
+  }
+  cout<<IDAmat<<endl;
+  cout<<invIDAmat<<endl;
+}
+
+
+int main( int argc, char *argv[] ) {
+
+
+  int q=2;
+  int n=4;
+  int k=4;
+  int Tb=64;
+  int l=10;//399*Tb;
+
+
+  
+  int key_size=32;
+  int seed=time(NULL);
+  cout<<seed<<endl;
+  srand48(seed);
+
+  byte Secretkey[key_size];
+
+  byte counter[key_size];
+
+  for(int i=0;i<key_size;i++) {
+    Secretkey[i]=lrand48()&0xFF;
+    counter[i]=lrand48()&0xFF;
+  }
+
+  
+  byte DK[key_size];
+  for (int i = 0; i < key_size ; i++) {
+    DK[i]=Secretkey[i]^counter[i];
+  }
+
+  byte sc[256];
+
+
+  
+  
+
+  byte PboxV[l/Tb];
+    
+  rc4keyperm(&DK[8], l/Tb, 1, PboxV, 16);
+
+
+
+
+
+// Initialization of IDA and inverse IDA matrix
+  Cube<byte> IDAmat(n,n,q);
+  Cube<short> invIDAmat(n,n,q);
+  buildFullRankIDA(IDAmat, invIDAmat, q, n, &DK[0]);
+  
+
+  // rc4key(&DK[8], sc, 16);
+  
+  
+
+  
+ 
+ 
+  arma_rng::set_seed(time(NULL));
+
+
+  int lc;
+  int sizeFile;
+  Mat<byte> M=readFile(n,k,sizeFile,lc);
+
+//  Ma<byte> data;
+//  data.load("/home/couturie/ajeter/lena.png");
+  
+  /* Mat<byte> M=conv_to<Mat<byte>>::from(randi(k,l));
+  M=abs(M);
+  M=M - floor(M/255)*255;*/
+
+/*  cout<<"M"<<endl;
+  cout<<M<<endl;
+  cout<<"C"<<endl;
+  cout<<C<<endl;
+*/
+
+  
+  Mat<byte> C=IDAmat.slice(0)*M;
+  M.save("M.bin",raw_binary);
+//  Mat<short> D=invIDAmat.slice(0)*C;
+
+
+  mat A=conv_to<mat>::from(IDAmat.slice(0).submat(0,0,k-1,n-1));
+  mat B=conv_to<mat>::from(C.submat(0,0,k-1,lc-1));
+
+  mat D=solve(A,B);
+
+  
+
+  Mat<char> D2=conv_to<Mat<char>>::from(D);
+//  cout<<"D2"<<endl;
+//  cout<<D2<<endl;
+//  D2.save("D2.bin",raw_binary);
+  D2.reshape(1,n*lc);
+  Row<char> d2=D2.row(0);
+  byte* vec=(byte*)d2.memptr();
+
+  FILE* pFile = fopen ("myfile.png", "wb");
+  fwrite (vec , sizeof(byte), sizeFile, pFile);
+  fclose (pFile);
+}