X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/Cipher_code.git/blobdiff_plain/6a49f25ff1d42c2a3309c5add09d7b770c903bb1..b7fb3820a92dbb613e535763a5f83d3a74440513:/IDA/test_mat2.cpp

diff --git a/IDA/test_mat2.cpp b/IDA/test_mat2.cpp
index 20ccca7..474c572 100644
--- a/IDA/test_mat2.cpp
+++ b/IDA/test_mat2.cpp
@@ -9,8 +9,6 @@
 #include <iostream>
 #include <fstream>
 #include <vector>
-
-
 #include <iostream>     // std::cout, std::fixed
 #include <iomanip>
 #include <math.h>
@@ -79,7 +77,7 @@ void rc4keyperm(byte *key,int len, int rp,byte *sc, int size_DK) {
 Mat<byte> readFullFile(int n, int k, int& sizeFile, int &lc) {
 
 //  ifstream stream("lena.png", ios::in | ios::binary | ios::ate);
-  ifstream stream("/home/couturie/ajeter/lena_small.png", ios::in | ios::binary | ios::ate);
+  ifstream stream("lena_small2.png", ios::in | ios::binary | ios::ate);
   sizeFile=stream.tellg();
   cout<<sizeFile<<endl;
   stream.seekg(0, ios::beg);
@@ -108,7 +106,7 @@ Mat<byte> readFullFile(int n, int k, int& sizeFile, int &lc) {
 Mat<byte> readPartialFile(int n, int k, int& sizeFile, int &lc) {
 
 //  ifstream stream("lena.png", ios::in | ios::binary | ios::ate);
-  ifstream stream("/home/couturie/ajeter/lena_small.png", ios::in | ios::binary | ios::ate);
+  ifstream stream("lena_small2.png", ios::in | ios::binary | ios::ate);
   sizeFile=stream.tellg();
   cout<<sizeFile<<endl;
   stream.seekg(0, ios::beg);
@@ -148,9 +146,9 @@ void buildFullRankIDA(Cube<byte>& IDAmat, Cube<short> &invIDAmat, int q, int n,
   Cube<byte> rm1(RM1,1,1,q*n*n/4);
   rm1.reshape(n/2,n/2,q);
   
-  cout<<"rm1"<<endl;
+  /* cout<<"rm1"<<endl;
   cout<<rm1<<endl;
-
+  */
 
   
 
@@ -178,15 +176,15 @@ void buildFullRankIDA(Cube<byte>& IDAmat, Cube<short> &invIDAmat, int q, int n,
     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;
+    /*cout<<"det"<<endl;
     mat toto=conv_to<mat>::from(sub2);
     cout<<det(toto)<<endl;
-
+    */
     invIDAmat.slice(i)=sub2;
 
   }
-  cout<<IDAmat<<endl;
-  cout<<invIDAmat<<endl;
+  //cout<<IDAmat<<endl;
+  //cout<<invIDAmat<<endl;
 }
 
 void buildPartialRankIDA(Cube<byte>& IDAmat, int q, int n, int k, byte* DK) {
@@ -222,7 +220,7 @@ void buildPartialRankIDA(Cube<byte>& IDAmat, int q, int n, int k, byte* DK) {
 
   }
 */
-  cout<<IDAmat<<endl;
+  // cout<<IDAmat<<endl;
 
 }
 
@@ -235,7 +233,7 @@ int main( int argc, char *argv[] ) {
   int full=0;
   
   int q=2;
-  int n=4;
+  int n=8;
   int k=4;
   int Tb=64;
   int l=10;//399*Tb;
@@ -285,8 +283,8 @@ int main( int argc, char *argv[] ) {
   else
     M=readPartialFile(n,k,sizeFile,lc);
 
-  // cout<<"M "<<endl;
-  // cout<<M<<endl;
+  cout<<"M "<<endl;
+  cout<<M<<endl;
   
 
   arma_rng::set_seed(time(NULL));
@@ -295,7 +293,8 @@ int main( int argc, char *argv[] ) {
 
   Cube<byte> IDAmat;
   Cube<short> invIDAmat;
-  
+
+
   if(full)
   {
     IDAmat.resize(n,n,q);
@@ -327,28 +326,46 @@ int main( int argc, char *argv[] ) {
 
   Mat<byte> C;
   Mat<char> D2;
-  C=IDAmat.slice(0)*M;
+  //full
+//  C=IDAmat.slice(0)*M;
+
+//partial
+  C=IDAmat.slice(0).submat(0,0,n-1,k-1)*M;
+  
   M.save("M.bin",raw_binary);
   
   if(full) {
-    //Mat<short> D=invIDAmat.slice(0)*C;
+    Mat<short> D=invIDAmat.slice(0)*C;
 
     
-    mat A=conv_to<mat>::from(IDAmat.slice(0).submat(0,0,n-1,n-1));
+    /*mat A=conv_to<mat>::from(IDAmat.slice(0).submat(0,0,n-1,n-1));
     mat B=conv_to<mat>::from(C.submat(0,0,n-1,lc-1));
     mat D=solve(A,B);
-    cout<<D<<endl;
+    */
     
 
     D2=conv_to<Mat<char>>::from(D);
+    cout<<D2<<endl;
   }
   else {
-    mat A=conv_to<mat>::from(IDAmat.slice(0).submat(0,0,n-1,k-1));
-    mat B=conv_to<mat>::from(C.submat(0,0,n-1,lc-1));
+
+    IDAmat.resize(k,k,q);
+    invIDAmat.resize(k,k,q);
+    buildFullRankIDA(IDAmat, invIDAmat, q, k, &DK[0]);
+
+    
+    mat A=conv_to<mat>::from(IDAmat.slice(0).submat(0,0,k-1,k-1));
+
+    mat B=conv_to<mat>::from(C.submat(0,0,k-1,lc-1));
     mat D=solve(A,B);
+//    mat D=inv(A)*B;
     
-    cout<<D<<endl;
-    D2=conv_to<Mat<char>>::from(D);    
+//    cout<<D<<endl;
+
+//    Mat<short> D=invIDAmat.slice(0)*C.submat(0,0,k-1,lc-1);
+    
+    D2=conv_to<Mat<char>>::from(D);
+    cout<<D2<<endl;
   }