X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/Cipher_code.git/blobdiff_plain/52819d4ec98a27331c9cb6d1415f3a065ad81e60..da5d759cf31746efc239a8f2d73038ce6083fbc6:/OneRoundHash/oneroundhash.cpp?ds=sidebyside

diff --git a/OneRoundHash/oneroundhash.cpp b/OneRoundHash/oneroundhash.cpp
index 063b96f..4365439 100644
--- a/OneRoundHash/oneroundhash.cpp
+++ b/OneRoundHash/oneroundhash.cpp
@@ -34,6 +34,7 @@ int nb_test=1;
 int v1b=0;
 int v2b1=0;
 int v2b2=0;
+int v2b3=0;
 
 
 
@@ -209,18 +210,13 @@ void encrypt_authenticate_algorithm(uchar* seq_in, uchar *seq_out,  int len, uch
       rm2[a]=myrand;
     }  
 
-    for(int a=0;a<h;a+=4) {
-      X[a]=seq_in[ind2+a];
-      X[a+1]=seq_in[ind2+a+1];
-      X[a+2]=seq_in[ind2+a+2];
-      X[a+3]=seq_in[ind2+a+3];
-    }
+  
 
     for(int a=0;a<h;a+=4) {
-      tmp[a]=Sbox1[X[a]^RM1[a]];
-      tmp[a+1]=Sbox1[X[a+1]^RM1[a+1]];
-      tmp[a+2]=Sbox1[X[a+2]^RM1[a+2]];
-      tmp[a+3]=Sbox1[X[a+3]^RM1[a+3]];
+      tmp[a]=Sbox1[seq_in[ind2+a]^RM1[a]];
+      tmp[a+1]=Sbox1[seq_in[ind2+a+1]^RM1[a+1]];
+      tmp[a+2]=Sbox1[seq_in[ind2+a+2]^RM1[a+2]];
+      tmp[a+3]=Sbox1[seq_in[ind2+a+3]^RM1[a+3]];
     }
     
     for(int a=0;a<h;a+=4) {
@@ -278,18 +274,18 @@ void decrypt_authenticate_algorithm(uchar* seq_in, uchar *seq_out,  int len, uch
       rm2[a]=myrand;
     }  
 
-    for(int a=0;a<h;a+=4) {
+    /*    for(int a=0;a<h;a+=4) {
       X[a]=seq_in[ind2+a];
       X[a+1]=seq_in[ind2+a+1];
       X[a+2]=seq_in[ind2+a+2];
       X[a+3]=seq_in[ind2+a+3];
     }
-
+    */
     for(int a=0;a<h;a+=4) {
-      tmp[a]=Inv_Sbox2[X[a]]^RM2[a];
-      tmp[a+1]=Inv_Sbox2[X[a+1]]^RM2[a+1];
-      tmp[a+2]=Inv_Sbox2[X[a+2]]^RM2[a+2];
-      tmp[a+3]=Inv_Sbox2[X[a+3]]^RM2[a+3];
+      tmp[a]=Inv_Sbox2[seq_in[ind2+a]]^RM2[a];
+      tmp[a+1]=Inv_Sbox2[seq_in[ind2+a+1]]^RM2[a+1];
+      tmp[a+2]=Inv_Sbox2[seq_in[ind2+a+2]]^RM2[a+2];
+      tmp[a+3]=Inv_Sbox2[seq_in[ind2+a+3]]^RM2[a+3];
     }
     
     for(int a=0;a<h;a+=4) {
@@ -749,7 +745,111 @@ void decrypt_authenticate_algorithm_2Blocks_V2(uchar* seq_in, uchar *seq_out,  i
   }
 }
 
+template<int h>
+void encrypt_authenticate_algorithm_2Blocks_V3(uchar* seq_in, uchar *seq_out,  int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, uchar* IV,uchar* MAC,mylong myrand) {
+  uchar RM1[h];
+  uchar tmp1[h];
+  mylong *rm1=(mylong*)RM1;
+
+  for(int it=0;it<len/2;it++) {
+    int ind1=Pbox[it]*h;
+    int ind2=Pbox[it+len/2]*h;
+    
+    for(int a=0;a<(h>>3);a++) {
+      myrand=xorshift64();
+      rm1[a]=myrand;
+    }  
+
+    for(int a=0;a<h;a+=4) {
+      tmp1[a]=Sbox1[seq_in[ind1+a]^RM1[a]];
+      tmp1[a+1]=Sbox1[seq_in[ind1+a+1]^RM1[a+1]];
+      tmp1[a+2]=Sbox1[seq_in[ind1+a+2]^RM1[a+2]];
+      tmp1[a+3]=Sbox1[seq_in[ind1+a+3]^RM1[a+3]];
+    }
+    
+    for(int a=0;a<h;a+=4) {
+      seq_out[ind2+a]=Sbox2[seq_in[ind2+a]^tmp1[a]];
+      seq_out[ind2+a+1]=Sbox2[seq_in[ind2+a+1]^tmp1[a+1]];
+      seq_out[ind2+a+2]=Sbox2[seq_in[ind2+a+2]^tmp1[a+2]];
+      seq_out[ind2+a+3]=Sbox2[seq_in[ind2+a+3]^tmp1[a+3]];
+    }
+	
+
+    for(int a=0;a<h;a+=4) {
+      seq_out[ind1+a]=Sbox2[tmp1[a]];
+      seq_out[ind1+a+1]=Sbox2[tmp1[a+1]];
+      seq_out[ind1+a+2]=Sbox2[tmp1[a+2]];
+      seq_out[ind1+a+3]=Sbox2[tmp1[a+3]];
+    }
+
+    for(int a=0;a<h;a+=4) {
+      IV[a]=Sbox1[IV[a]^seq_out[ind2+a]]^tmp1[a];
+      IV[a+1]=Sbox1[IV[a+1]^seq_out[ind2+a+1]]^tmp1[a+1];
+      IV[a+2]=Sbox1[IV[a+2]^seq_out[ind2+a+2]]^tmp1[a+2];
+      IV[a+3]=Sbox1[IV[a+3]^seq_out[ind2+a+3]]^tmp1[a+3];
+    }
+
+  }
+    for(int a=0;a<h;a+=4) {
+      MAC[a]=Sbox2[IV[a]];
+      MAC[a+1]=Sbox2[IV[a+1]];
+      MAC[a+2]=Sbox2[IV[a+2]];
+      MAC[a+3]=Sbox2[IV[a+3]];
+  }
+}
+
 
+template<int h>
+void decrypt_authenticate_algorithm_2Blocks_V3(uchar* seq_in, uchar *seq_out,  int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Inv_Sbox1, uchar *Inv_Sbox2 ,uchar *Sbox1, uchar *Sbox2, uchar* IV,uchar* MAC,mylong myrand) {
+  uchar RM1[h];
+  uchar tmp1[h];
+  mylong *rm1=(mylong*)RM1;
+
+  for(int it=0;it<len/2;it++) {
+    int ind1=Pbox[it]*h;
+    int ind2=Pbox[it+len/2]*h;
+    
+    for(int a=0;a<(h>>3);a++) {
+      myrand=xorshift64();
+      rm1[a]=myrand;
+    }  
+
+    for(int a=0;a<h;a+=4) {
+      tmp1[a]=Inv_Sbox2[seq_in[ind1+a]];
+      tmp1[a+1]=Inv_Sbox2[seq_in[ind1+a+1]];
+      tmp1[a+2]=Inv_Sbox2[seq_in[ind1+a+2]];
+      tmp1[a+3]=Inv_Sbox2[seq_in[ind1+a+3]];
+    }
+
+    for(int a=0;a<h;a+=4) {
+      seq_out[ind2+a]=Inv_Sbox2[seq_in[ind2+a]]^tmp1[a];
+      seq_out[ind2+a+1]=Inv_Sbox2[seq_in[ind2+a+1]]^tmp1[a+1];
+      seq_out[ind2+a+2]=Inv_Sbox2[seq_in[ind2+a+2]]^tmp1[a+2];
+      seq_out[ind2+a+3]=Inv_Sbox2[seq_in[ind2+a+3]]^tmp1[a+3];
+    }
+	
+    for(int a=0;a<h;a+=4) {
+     seq_out[ind1+a]  =Inv_Sbox1[tmp1[a]]^RM1[a];
+     seq_out[ind1+a+1]=Inv_Sbox1[tmp1[a+1]]^RM1[a+1];
+     seq_out[ind1+a+2]=Inv_Sbox1[tmp1[a+2]]^RM1[a+2];
+     seq_out[ind1+a+3]=Inv_Sbox1[tmp1[a+3]]^RM1[a+3];
+    }
+    
+    for(int a=0;a<h;a+=4) {
+      IV[a]=Sbox1[IV[a]^seq_in[ind2+a]]^tmp1[a];
+      IV[a+1]=Sbox1[IV[a+1]^seq_in[ind2+a+1]]^tmp1[a+1];
+      IV[a+2]=Sbox1[IV[a+2]^seq_in[ind2+a+2]]^tmp1[a+2];
+      IV[a+3]=Sbox1[IV[a+3]^seq_in[ind2+a+3]]^tmp1[a+3];
+    }
+
+  }
+  for(int a=0;a<h;a+=4) {
+    MAC[a]=Sbox2[IV[a]];
+    MAC[a+1]=Sbox2[IV[a+1]];
+    MAC[a+2]=Sbox2[IV[a+2]];
+    MAC[a+3]=Sbox2[IV[a+3]];
+  }
+}
 
 
 int main(int argc, char** argv) {
@@ -766,6 +866,7 @@ int main(int argc, char** argv) {
     if(strncmp(argv[i],"v1b",3)==0) v1b=1;       
     if(strncmp(argv[i],"v2b1",4)==0) v2b1=1;
     if(strncmp(argv[i],"v2b2",4)==0) v2b2 = 1;
+    if(strncmp(argv[i],"v2b3",4)==0) v2b3 = 1;
     if(strncmp(argv[i],"h",1)==0) h = atoi(&(argv[i][1]));          //size of block
     if(strncmp(argv[i],"sizebuf",7)==0) size_buf = atoi(&(argv[i][7]));          //SIZE of the buffer
     if(strncmp(argv[i],"lena",4)==0) lena = atoi(&(argv[i][4]));          //Use Lena or buffer
@@ -902,8 +1003,10 @@ int main(int argc, char** argv) {
   uchar RM[h*h*2+256];
   uchar IV1[h];
   uchar IV2[h];
-  uchar MAC[2*h];
+  uchar MAC[h];
+
 
+  
   mylong myrand=0;
  
 
@@ -913,6 +1016,14 @@ int main(int argc, char** argv) {
 
   double t=TimeStart();  
 
+  for(int i=0;i<h;i++) {
+    IV1[i]=i;
+    IV2[i]=i;
+    MAC[i]=i;
+  }
+    
+
+  
   for(int i=0;i<nb_test;i++) {
 
     rc4key(DK, Sbox1, 8);
@@ -996,6 +1107,8 @@ int main(int argc, char** argv) {
 	encrypt_authenticate_algorithm_2Blocks<32>(seq, seq2,len,RM,Pbox,PboxSRM,Sbox1,Sbox2,IV1,IV2,MAC,myrand);
       if(v2b2)
 	encrypt_authenticate_algorithm_2Blocks_V2<32>(seq, seq2,len,RM,Pbox,PboxSRM,Sbox1,Sbox2,IV1,IV2,MAC,myrand);
+      if(v2b3)
+	encrypt_authenticate_algorithm_2Blocks_V3<32>(seq, seq2,len,RM,Pbox,PboxSRM,Sbox1,Sbox2,IV1,MAC,myrand);
     }
     break;
   }
@@ -1005,6 +1118,10 @@ int main(int argc, char** argv) {
   cout<<"Time encrypt "<<time_encrypt<<endl;
   cout<<(double)imsize*nb_test/time_encrypt<<"\t";
 
+  /*  for(int i=0;i<h;i++)
+    printf("%d ",MAC[i]);
+  printf("\n");
+  */
 
   if(lena) {
     for(int i=0;i<oneD;i++) {
@@ -1015,7 +1132,13 @@ int main(int argc, char** argv) {
     store_RGB_pixmap("lena2.ppm", data_R, data_G, data_B, width, height);
   }
 
+  for(int i=0;i<h;i++) {
+    IV1[i]=i;
+    IV2[i]=i;
+    MAC[i]=i;
+  }
 
+  
   xorseed=myrand;
   // lehmer64_seed(myrand);
   time_decrypt=0;
@@ -1041,16 +1164,23 @@ int main(int argc, char** argv) {
 	decrypt_authenticate_algorithm_2Blocks<32>(seq2, seq,len,RM,Pbox,PboxSRM,Inv_Sbox1,Inv_Sbox2,Sbox1,Sbox2,IV1,IV2,MAC,myrand);
       if(v2b2)
 	decrypt_authenticate_algorithm_2Blocks_V2<32>(seq2, seq,len,RM,Pbox,PboxSRM,Inv_Sbox1,Inv_Sbox2,Sbox1,Sbox2,IV1,IV2,MAC,myrand);
+      if(v2b3)
+	decrypt_authenticate_algorithm_2Blocks_V3<32>(seq2, seq,len,RM,Pbox,PboxSRM,Inv_Sbox1,Inv_Sbox2,Sbox1,Sbox2,IV1,MAC,myrand);
     }
     break;
   }
 
 
+
   
   time_decrypt+=TimeStop(t);
 //  cout<<"Time decrypt "<<time_decrypt<<endl;
   cout<<(double)imsize*nb_test/time_decrypt<<"\t";
-
+  /*  for(int i=0;i<h;i++)
+    printf("%d ",MAC[i]);
+  printf("\n");
+  */
+  
   if(lena) {
     for(int i=0;i<oneD;i++) {
       data_R[i]=seq[i];