#include<math.h>
#include<stdlib.h>
#include<stdio.h>
+#include<string.h>
#include <fstream>
#include <sys/time.h>
int key_size=256;
-
+int nb_test=1;
+int ctr=0;
const int h=16;
const int h2=h*h;
}
+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) {
+void encrypt_ctr(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int enc) {
+
+
+ uchar *X=new uchar[h2];
+ uchar *fX=new uchar[h2];
+ int ind1,ind2;
+
+
+ for(int a=0;a<h2;a++) {
+ X[a]=Sbox1[a];
+ }
+
+
+ for(int it=0;it<len;it++) {
+ if(enc) {
+ ind1=it*h2;
+ ind2=Pbox[it]*h2;
+ }
+ else {
+ ind2=it*h2;
+ ind1=Pbox[it]*h2;
+ }
+
+
+
+ for(int a=0;a<h2;a++){
+ fX[a]=Sbox1[RM1[X[a]]];
+ }
+
+
+ for(int a=0;a<h2;a++) {
+ fX[a]=fX[a]^RM1[a];
+ }
+
+
+ for(int a=0;a<h2;a++) {
+ fX[a]=Sbox2[fX[a]];
+ }
+
+
+ for(int a=0;a<h2;a++) {
+ seq_out[ind1+a]=fX[a]^seq_in[ind2+a];
+ }
+
+ for(int a=0;a<h2;a++) {
+ RM1[a]=RM1[PboxRM[a]];
+ }
+
+
+
+ }
+
+
+}
+
void encrypt(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int debug) {
uchar *X=new uchar[h2];
uchar *fX=new uchar[h2];
-
+ unsigned int *lX=(unsigned int*)X;
+ unsigned int *lseq_in=(unsigned int*)seq_in;
+
+
for(int it=0;it<len;it++) {
int ind1=it*h2;
int ind2=Pbox[it]*h2;
- for(int a=0;a<h2;a++) {
+ for(int a=0;a<h2;a+=1) {
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];
+ /* X[a+4]=seq_in[ind2+a+4];
+ X[a+5]=seq_in[ind2+a+5];
+ X[a+6]=seq_in[ind2+a+6];
+ X[a+7]=seq_in[ind2+a+7];*/
}
- for(int a=0;a<h2;a++){
+ for(int a=0;a<h2;a+=1){
fX[a]=Sbox1[X[a]];
+/* fX[a+1]=Sbox1[X[a+1]];
+ fX[a+2]=Sbox1[X[a+2]];
+ fX[a+3]=Sbox1[X[a+3]];
+ /* fX[a+4]=Sbox1[X[a+4]];
+ fX[a+5]=Sbox1[X[a+5]];
+ fX[a+6]=Sbox1[X[a+6]];
+ fX[a+7]=Sbox1[X[a+7]];*/
}
-
- for(int a=0;a<h2;a++) {
+
+ for(int a=0;a<h2;a+=1) {
fX[a]=fX[a]^RM1[a];
+/* fX[a+1]=fX[a+1]^RM1[a+1];
+ fX[a+2]=fX[a+2]^RM1[a+2];
+ fX[a+3]=fX[a+3]^RM1[a+3];
+ /* fX[a+4]=fX[a+4]^RM1[a+4];
+ fX[a+5]=fX[a+5]^RM1[a+5];
+ fX[a+6]=fX[a+6]^RM1[a+6];
+ fX[a+7]=fX[a+7]^RM1[a+7];*/
}
- for(int a=0;a<h2;a++) {
+ for(int a=0;a<h2;a+=1) {
seq_out[ind1+a]=Sbox2[fX[a]];
+/* seq_out[ind1+a+1]=Sbox2[fX[a+1]];
+ seq_out[ind1+a+2]=Sbox2[fX[a+2]];
+ seq_out[ind1+a+3]=Sbox2[fX[a+3]];
+ /* seq_out[ind1+a+4]=Sbox2[fX[a+4]];
+ seq_out[ind1+a+5]=Sbox2[fX[a+5]];
+ seq_out[ind1+a+6]=Sbox2[fX[a+6]];
+ seq_out[ind1+a+7]=Sbox2[fX[a+7]];*/
}
- for(int a=0;a<h2;a++) {
+ for(int a=0;a<h2;a+=1) {
RM1[a]=RM1[PboxRM[a]];
+/* RM1[a+1]=RM1[PboxRM[a+1]];
+ RM1[a+2]=RM1[PboxRM[a+2]];
+ RM1[a+3]=RM1[PboxRM[a+3]];
+ /* RM1[a+4]=RM1[PboxRM[a+4]];
+ RM1[a+5]=RM1[PboxRM[a+5]];
+ RM1[a+6]=RM1[PboxRM[a+6]];
+ RM1[a+7]=RM1[PboxRM[a+7]];*/
}
-
+
}
+
+
}
}
+int main(int argc, char** argv) {
+
-void Dynamickeygenerationnew(uchar *Secretkey, uchar *counter) {
+ 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
+ }
+
+ printf("nb times %d\n",nb_test);
+ printf("ctr %d\n",ctr);
+
+/*
+ if(argc==2)
+ nb_test=atoi(argv[1]);
+ if(nb_test<=0 || nb_test>10000) {
+ printf("nb tests is not correct\n");
+ exit(0);
+ }
+ else
+ printf("nb tests = %d\n\n",nb_test);
+*/
+
+
+ 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 height;
uchar *data_R, *data_G, *data_B;
load_RGB_pixmap("lena.ppm", &width, &height, &data_R, &data_G, &data_B);
+// load_RGB_pixmap("No_ecb_mode_picture.ppm", &width, &height, &data_R, &data_G, &data_B);
for (int i = 0; i < 256 ; i++) {
-// mix[i]=(int)secret_key.BytePtr()[i]^(int)mycounter.BytePtr()[i];
mix[i]=Secretkey[i]^counter[i];
}
-/* byte digest[64];
- SHA512().CalculateDigest(digest, mix, 256);
-*/
-
cout<<"hash "<<endl;
for (int i = 0; i < 64 ; i++) {
for (int i = 48; i < 64; i++)
keyp[i-48] = DK[i];
- cout<<len<<endl;
+// cout<<len<<endl;
int *Pbox=new int[len];
int *PboxRM=new int[h2];
printf("len %d\n",len);
for(int i=0;i<len;i++) {
- printf("%d \n",Pbox[i]);
+// printf("%d \n",Pbox[i]);
}
rc4keyperm(RM2, h2, rp, PboxRM, h2);
double t=TimeStart();
int i;
- for(i=0;i<100;i++)
+ for(i=0;i<nb_test;i++)
{
- encrypt(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+// encrypt(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+ encrypt_ctr(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
}
time+=TimeStop(t);
time=0;
t=TimeStart();
- for(i=0;i<100;i++) {
- decrypt(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ for(i=0;i<nb_test;i++) {
+// decrypt(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ encrypt_ctr(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
}
time+=TimeStop(t);
-
-
-}
-
-
-
-int main() {
- cout << "Hello, World!" << 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;
- }
-
- Dynamickeygenerationnew(Secretkey, counter);
-
return 0;
}
