new hash version

[Cipher_code.git] / OneRoundIoT / OneRound / one_round_hash_new.cpp

diff --git a/OneRoundIoT/OneRound/one_round_hash_new.cpp b/OneRoundIoT/OneRound/one_round_hash_new.cpp
index a76f70a4034be7dfea44559ff104c03deff2c553..0bd5788a22481663ae73bb12fd46de6a3bfcd4ac 100644 (file)
--- a/OneRoundIoT/OneRound/one_round_hash_new.cpp
+++ b/OneRoundIoT/OneRound/one_round_hash_new.cpp
@@ -135,7 +135,7 @@ void prga(uchar *sc, int ldata, uchar *r) {
   }
 }
 
   }
 }
 

-
+inline uchar  circ(uchar x,int n) {return (x << n) | (x >> (8 - n));}

 
 
 //the proposed hash function, which is based on DSD structure. Sensitivity is ensured by employing the binary diffusion
 
 
 //the proposed hash function, which is based on DSD structure. Sensitivity is ensured by employing the binary diffusion


@@ -168,51 +168,41 @@ void hash_DSD_BIN(uchar* seq_in, uchar* RM1,int len, int *PboxRM, uchar *Sbox1,
       X[a+3]=RM1[a+3]^seq_in[ind2+a+3];
     }
 
       X[a+3]=RM1[a+3]^seq_in[ind2+a+3];
     }
 

-/*    Y[0]=Sbox1[X[0]^X[h-1]];
-    for(int a=1;a<h;a++) {
-      Y[a]=Sbox1[Y[a-1]^X[a-1]];
-    }

 
 

-    Z[h-1]=Sbox2[Y[h-1]^Y[0]];
-    for(int a=h-1;a>0;a--) {
-      Z[a-1]=Sbox2[Z[a]^Y[a]];
-    }
-*/

 
     Y[0]=X[0]^X[h-1];
 
     Y[0]=X[0]^X[h-1];

-    for(int a=1;a<h;a++) {
+    Y[1]=Y[0]^X[0];
+    Y[2]=Y[1]^X[1];
+    Y[3]=Y[2]^X[2];
+    for(int a=4;a<h;a+=4) {

       Y[a]=Y[a-1]^X[a-1];
       Y[a]=Y[a-1]^X[a-1];

+      Y[a+1]=Y[a]^X[a];
+      Y[a+2]=Y[a+1]^X[a+1];
+      Y[a+3]=Y[a+2]^X[a+2];

     }
 
     for(int a=0;a<h;a+=4) {
       Y[a]=Sbox1[Y[a]];
     }
 
     for(int a=0;a<h;a+=4) {
       Y[a]=Sbox1[Y[a]];

+      Y[a+1]=Sbox1[Y[a+1]];
+      Y[a+2]=Sbox1[Y[a+2]];
+      Y[a+3]=Sbox1[Y[a+3]];

     }
     }

-    
-    Z[h-1]=Y[h-1]^Y[0];
-    for(int a=h-1;a>0;a--) {
-      Z[a-1]=Z[a]^Y[a];
-    }
+  

 
 

-    for(int a=0;a<h;a+=4) {
-      Z[a]=Sbox2[Z[a]];
+    RM1[h-1]=Y[h-1]^Y[0];
+    RM1[h-2]=RM1[h-1]^Y[h-1];
+    RM1[h-3]=RM1[h-2]^Y[h-2];
+    RM1[h-4]=RM1[h-3]^Y[h-3];
+    for(int a=h-4;a>0;a-=4) {
+      RM1[a-1]=RM1[a]^Y[a];
+      RM1[a-2]=RM1[a-1]^Y[a-1];
+      RM1[a-3]=RM1[a-2]^Y[a-2];
+      RM1[a-4]=RM1[a-3]^Y[a-3];

     }
     }

+    

 
     
     
 
     
     

-    for(int a=0;a<h;a+=4) {
-      /*     RM1[a]=Z[a];
-      RM1[a+1]=Z[a+1];
-      RM1[a+2]=Z[a+2];
-      RM1[a+3]=Z[a+3];
-      */
-
-      RM1[a]=Z[a]^RM1[PboxRM[a]];
-      RM1[a+1]=Z[a+1]^RM1[PboxRM[a+1]];
-      RM1[a+2]=Z[a+2]^RM1[PboxRM[a+2]];
-      RM1[a+3]=Z[a+3]^RM1[PboxRM[a+3]];
-      
-    }
-    

   }
 
 
   }
 
 


@@ -238,7 +228,6 @@ int main(int argc, char** argv) {
   
   for(int i=1; i<argc; i++){
     if(strncmp(argv[i],"nb",2)==0)    nb_test = atoi(&(argv[i][2]));    //nb of test         
   
   for(int i=1; i<argc; i++){
     if(strncmp(argv[i],"nb",2)==0)    nb_test = atoi(&(argv[i][2]));    //nb of test         

-    if(strncmp(argv[i],"ctr",3)==0) ctr = atoi(&(argv[i][3]));          //CTR ? 1  otherwise CBC like

     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
     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


@@ -410,7 +399,7 @@ int main(int argc, char** argv) {
   
   time+=TimeStop(t);
   cout<<"Hash Time  "<<time<<endl;
   
   time+=TimeStop(t);
   cout<<"Hash Time  "<<time<<endl;

-
+  cout<<(double)imsize*nb_test/time<<"\t";

 
   for(int i=0;i<h;i++){
     cout<<(int)RM1[i]<<" ";
 
   for(int i=0;i<h;i++){
     cout<<(int)RM1[i]<<" ";