From c1233f272a367c9770d6e352b5018887c14a8c9c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Couturier?= <raphael.couturier@univ-fcomte.fr>
Date: Sun, 7 Jul 2019 17:41:55 +0200
Subject: [PATCH 1/1] new hash version

---
 OneRoundIoT/OneRound/Makefile                |   5 +
 OneRoundIoT/OneRound/one_round_hash_new3.cpp | 398 +++++++++++++++++++
 2 files changed, 403 insertions(+)
 create mode 100644 OneRoundIoT/OneRound/one_round_hash_new3.cpp

diff --git a/OneRoundIoT/OneRound/Makefile b/OneRoundIoT/OneRound/Makefile
index 2b99c8a..a300f32 100644
--- a/OneRoundIoT/OneRound/Makefile
+++ b/OneRoundIoT/OneRound/Makefile
@@ -39,6 +39,8 @@ one_round_hash_new.o: one_round_hash_new.cpp
 one_round_hash_new2.o: one_round_hash_new2.cpp 
 	$(CXX) -c -o $@ $< $(CFLAGS)
 
+one_round_hash_new3.o: one_round_hash_new3.cpp 
+	$(CXX) -c -o $@ $< $(CFLAGS)
 
 
 one_round_par2.o: one_round_par2.cpp 
@@ -67,6 +69,9 @@ one_round_hash_new: pixmap_io.o one_round_hash_new.o
 one_round_hash_new2: pixmap_io.o one_round_hash_new2.o 
 	$(CXX)  -o $@ $^ $(CFLAGS)
 
+one_round_hash_new3: pixmap_io.o one_round_hash_new3.o 
+	$(CXX)  -o $@ $^ $(CFLAGS)
+
 one_round_auth: pixmap_io.o one_round_auth.o 
 	$(CXX)  -o $@ $^ $(CFLAGS)
 
diff --git a/OneRoundIoT/OneRound/one_round_hash_new3.cpp b/OneRoundIoT/OneRound/one_round_hash_new3.cpp
new file mode 100644
index 0000000..f7c622d
--- /dev/null
+++ b/OneRoundIoT/OneRound/one_round_hash_new3.cpp
@@ -0,0 +1,398 @@
+//gcc pixmap_io.c  -c 
+//g++ -O3 one_round_hash_new.cpp pixmap_io.o  -o one_round_hash_new -std=c++11   
+
+//
+
+
+#include <iostream>
+#include <list>
+#include<math.h>
+#include<stdlib.h>
+#include<stdio.h>
+#include<string.h>
+#include <fstream>
+#include <sys/time.h>
+
+/*#include <cryptopp/hex.h>
+#include <cryptopp/sha.h>
+#include <cryptopp/osrng.h>
+#include <cryptopp/secblock.h>
+*/
+
+
+extern "C" {
+  int load_RGB_pixmap(char *filename, int *width, int *height, unsigned char**R_data, unsigned char**G_data, unsigned char**B_data);
+  void store_RGB_pixmap(char *filename, unsigned char *R_data, unsigned char *G_data, unsigned char *B_data, int width, int height);
+}
+
+
+//using namespace CryptoPP;
+using namespace std;
+
+
+int key_size=256;
+int nb_test=1;
+int ctr=0;
+
+
+
+
+
+
+
+typedef unsigned char   uchar;
+
+
+double TimeStart()
+{
+  struct timeval tstart;
+  gettimeofday(&tstart,0);
+  return( (double) (tstart.tv_sec + tstart.tv_usec*1e-6) );
+}
+
+double TimeStop(double t)
+{
+  struct timeval tend;
+
+  gettimeofday(&tend,0);
+  t = (double) (tend.tv_sec + tend.tv_usec*1e-6) - t;
+  return (t);
+}
+
+
+
+
+
+
+void inverse_tables(uchar *tab, int size_tab,uchar *inv_perm_tabs) {
+
+  for(int i=0;i<size_tab;i++) {
+    inv_perm_tabs[tab[i]] = i;
+  }
+
+}
+
+void inverse_tables_int(int *tab, int size_tab,int *inv_perm_tabs) {
+
+  for(int i=0;i<size_tab;i++) {
+    inv_perm_tabs[tab[i]] = i;
+  }
+
+}
+
+
+
+void rc4key(uchar *key, uchar *sc, int size_DK) {
+
+  for(int i=0;i<256;i++) {
+    sc[i]=i;
+  }
+
+
+  uchar j0 = 0;
+  for(int i0=0; i0<256; i0++) {
+    j0 = (j0 + sc[i0] + key[i0%size_DK] )&0xFF;
+    uchar tmp = sc[i0];
+    sc[i0] = sc[j0 ];
+    sc[j0] = tmp;
+  }
+}
+
+
+
+void rc4keyperm(uchar *key,int len, int rp,int *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;
+    }
+
+  }
+}
+
+void prga(uchar *sc, int ldata, uchar *r) {
+  uchar i0=0;
+  uchar j0=0;
+
+  for (int it=0; it<ldata; it++) {
+    i0 = ((i0+1)&0xFE); //%255);
+    j0 = (j0 + sc[i0])&0xFF;
+    uchar tmp = sc[i0];
+    sc[i0] = sc[j0];
+    sc[j0] = tmp;
+    r[it]=sc[(sc[i0]+sc[j0])&0xFF];
+  }
+}
+
+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
+
+void hash_DSD_BIN(uchar* seq_in, uchar* RM1,int len, int *Pbox,int *PboxRM, uchar *Sbox1, uchar *Sbox2, int h) {
+
+
+  // Goal: Calculate the hash value
+  // Output: RM (hash value)
+
+//  uchar *X=new uchar[h2];
+//  uchar *fX=new uchar[h2];
+  uchar X[h];
+  int ind1,ind2;
+
+
+  
+  for(int it=0;it<len/2;it++) {
+    //ind1=Pbox[it]*h;
+    //ind2=Pbox[(it+len/2)]*h;
+
+    ind1=it*h;
+    ind2=(it+len/2)*h;
+
+
+    // Mix with dynamic RM
+    
+    for(int a=0;a<h;a+=4) {
+      RM1[a]=Sbox1[RM1[a]^seq_in[ind1+a]]^seq_in[ind2+a];
+      RM1[a+1]=Sbox1[RM1[a+1]^seq_in[ind1+a+1]]^seq_in[ind2+a+1];
+      RM1[a+2]=Sbox1[RM1[a+2]^seq_in[ind1+a+2]]^seq_in[ind2+a+2];
+      RM1[a+3]=Sbox1[RM1[a+3]^seq_in[ind1+a+3]]^seq_in[ind2+a+3];
+    }
+
+
+     for(int a=0;a<h;a+=4) {
+       RM1[a]=Sbox2[RM1[a]];
+       RM1[a+1]=Sbox2[RM1[a+1]];
+       RM1[a+2]=Sbox2[RM1[a+2]];
+       RM1[a+3]=Sbox2[RM1[a+3]];
+
+
+
+      
+    }
+  
+    
+    
+  }
+
+
+}
+
+
+
+
+
+  
+
+
+
+  
+int main(int argc, char** argv) {
+
+
+  int h=16;
+  int lena=0;
+  int size_buf=1;
+  int change=0;
+
+  
+  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],"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],"c",1)==0) change = atoi(&(argv[i][1]));          //Use Lena or buffer
+  }
+
+
+  cout<<size_buf<<endl;
+  int seed=time(NULL);
+  cout<<seed<<endl;
+  srand48(seed);
+
+  uchar Secretkey[key_size];
+
+  uchar counter[key_size];
+
+  for(int i=0;i<key_size;i++) {
+    Secretkey[i]=lrand48()&0xFF;
+    counter[i]=lrand48()&0xFF;
+  }
+
+  
+  int size = 64;
+  uchar DK[size];
+
+
+
+
+  int width;
+  int height;
+
+  uchar *data_R, *data_G, *data_B;
+  int imsize;
+  uchar *buffer;
+  
+  if(lena==1) {
+    load_RGB_pixmap("lena.ppm", &width, &height, &data_R, &data_G, &data_B);
+    imsize=width*height*3;
+//  load_RGB_pixmap("No_ecb_mode_picture.ppm", &width, &height, &data_R, &data_G, &data_B);
+  }
+  else {
+    imsize=size_buf;
+    buffer=new uchar[imsize];
+    for(int i=0;i<imsize;i++) {
+      buffer[i]=lrand48();
+    }
+  }
+
+
+  
+  
+  uchar* seq= new uchar[imsize];
+  uchar* seq2= new uchar[imsize];
+
+  int oneD;
+  if(lena) {
+    oneD=width*height;
+    for(int i=0;i<oneD;i++) {
+      seq[i]=data_R[i];
+      seq[oneD+i]=data_G[i];
+      seq[2*oneD+i]=data_B[i];
+    }
+  }
+  else {
+    oneD=imsize;
+    for(int i=0;i<oneD;i++) {
+      seq[i]=buffer[i];
+    }
+  }
+
+  printf("seq 4 %d\n",seq[4]);
+  if(change==1) {
+    
+    seq[4]++;
+  }
+  if(change==2) {
+    
+    seq[9]++;
+  }
+
+  printf("seq 4 %d\n",seq[4]);
+
+  
+  
+
+  int total_len=imsize;
+  int rp=1;
+  int len= total_len/h;
+  cout<<len<<endl;
+
+  
+  uchar *mix=new uchar[256];
+
+
+
+    
+  for (int i = 0; i < 256 ; i++) {
+    mix[i]=Secretkey[i]^counter[i];
+  }
+
+  
+//  cout<<"hash "<<endl;
+  for (int i = 0; i < 64 ; i++) {
+//    DK[i]=digest[i];
+    DK[i]=mix[i];
+  }
+
+
+
+
+  int *PboxRM=new int[h];
+  uchar Sbox1[256];
+  uchar Sbox2[256];
+  uchar sc[256];  
+  uchar RM1[h];
+  uchar RM2[h];
+  int *Pbox=new int[len];
+
+
+
+  double time=0;
+  double t=TimeStart();  
+  rc4key(DK, Sbox1, 8);
+  rc4key(&DK[8], Sbox2, 8);
+  
+  rc4key(&DK[16], sc, 8);
+  
+
+
+  
+  prga(sc, h, RM1);
+  
+  
+  
+  rc4keyperm(&DK[24], h, rp, PboxRM, 8);
+
+rc4keyperm(&DK[32], len, rp, Pbox, 16);
+
+  
+  time+=TimeStop(t);
+  cout<<"Time initializaton "<<time<<endl;
+
+
+
+
+
+
+
+
+
+
+  
+  for(int i=0;i<h;i++){
+    RM2[i]=RM1[i];
+  }
+
+  cout<<"imsize "<<imsize<<endl;
+  
+/*  for(int i=0;i<imsize;i++){
+    cout<<(int)seq[i]<<" ";
+  }
+  cout<<endl;
+*/
+  
+  time=0;
+  t=TimeStart();
+  for(int i=0;i<nb_test;i++)
+  {
+    hash_DSD_BIN(seq, RM1,len,Pbox,PboxRM,Sbox1,Sbox2,h);
+  }
+
+
+  
+  
+  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]<<" ";
+  }
+  cout<<endl;
+
+  
+
+  return 0;
+}
-- 
2.39.5