int key_size=256;
int nb_test=1;
int ctr=0;
-const int h=32;
-const int h2=h*h;
+
+
-
+template<int h2>
void encrypt_ctr(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int enc) {
printf("\n");
}*/
- *(int*)&fX[0]=it;
+ *(int*)&fX[0]^=it;
/* if(it<513) {
for(int a=0;a<h2;a++)
}
-
+template<int h2>
void encrypt(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int debug) {
}
-
+template<int h2>
void decrypt(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int debug) {
int main(int argc, char** argv) {
+ int h=32;
+ int lena=0;
+ int size_buf=1;
+
+
+
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])); //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
}
printf("nb times %d\n",nb_test);
printf("ctr %d\n",ctr);
printf("h %d\n",h);
+ printf("lena %d\n",lena);
+ printf("size_buf %d\n",size_buf);
-// h2=h*h;
+ int h2=h*h;
int width;
int height;
+
uchar *data_R, *data_G, *data_B;
- load_RGB_pixmap("lena.ppm", &width, &height, &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 {
+ width=height=size_buf;
+ imsize=width*height;
+ buffer=new uchar[imsize];
+ for(int i=0;i<imsize;i++) {
+ buffer[i]=lrand48();
+ }
+ }
- int imsize=width*height*3;
+
uchar* seq= new uchar[imsize];
uchar* seq2= new uchar[imsize];
int 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];
+ if(lena) {
+ 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 {
+ for(int i=0;i<oneD;i++) {
+ seq[i]=buffer[i];
+ }
}
double t=TimeStart();
int i;
- for(i=0;i<nb_test;i++)
- {
- if(ctr)
- encrypt_ctr(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
- else
- encrypt(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
-
+ switch(h) {
+ case 4:
+ for(i=0;i<nb_test;i++)
+ {
+ if(ctr)
+ encrypt_ctr<4*4>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
+ else
+ encrypt<4*4>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+
+ }
+ break;
+ case 8:
+ for(i=0;i<nb_test;i++)
+ {
+ if(ctr)
+ encrypt_ctr<8*8>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
+ else
+ encrypt<8*8>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+
+ }
+ break;
+ case 16:
+ for(i=0;i<nb_test;i++)
+ {
+ if(ctr)
+ encrypt_ctr<16*16>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
+ else
+ encrypt<16*16>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+
+ }
+ break;
+ case 32:
+ for(i=0;i<nb_test;i++)
+ {
+ if(ctr)
+ encrypt_ctr<32*32>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
+ else
+ encrypt<32*32>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+
+ }
+ break;
+ case 64:
+ for(i=0;i<nb_test;i++)
+ {
+ if(ctr)
+ encrypt_ctr<64*64>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
+ else
+ encrypt<64*64>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
+
+ }
+ break;
}
-
time+=TimeStop(t);
cout<<"Time encrypt "<<time<<endl;
- for(int i=0;i<oneD;i++) {
- data_R[i]=seq2[i];
- data_G[i]=seq2[oneD+i];
- data_B[i]=seq2[2*oneD+i];
+ if(lena) {
+ for(int i=0;i<oneD;i++) {
+ data_R[i]=seq2[i];
+ data_G[i]=seq2[oneD+i];
+ data_B[i]=seq2[2*oneD+i];
+ }
+ store_RGB_pixmap("lena2.ppm", data_R, data_G, data_B, width, height);
}
- store_RGB_pixmap("lena2.ppm", data_R, data_G, data_B, width, height);
time=0;
t=TimeStart();
- for(i=0;i<nb_test;i++) {
- if(ctr)
- encrypt_ctr(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
- else
- decrypt(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
-
+ switch(h) {
+ case 4:
+ for(i=0;i<nb_test;i++) {
+ if(ctr)
+ encrypt_ctr<4*4>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ else
+ decrypt<4*4>(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ }
+ break;
+ case 8:
+ for(i=0;i<nb_test;i++) {
+ if(ctr)
+ encrypt_ctr<8*8>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ else
+ decrypt<8*8>(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ }
+ break;
+ case 16:
+ for(i=0;i<nb_test;i++) {
+ if(ctr)
+ encrypt_ctr<16*16>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ else
+ decrypt<16*16>(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ }
+ break;
+ case 32:
+ for(i=0;i<nb_test;i++) {
+ if(ctr)
+ encrypt_ctr<32*32>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ else
+ decrypt<32*32>(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ }
+ break;
+ case 64:
+ for(i=0;i<nb_test;i++) {
+ if(ctr)
+ encrypt_ctr<64*64>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ else
+ decrypt<64*64>(seq2,seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
+ }
+ break;
}
time+=TimeStop(t);
cout<<"Time decrypt "<<time<<endl;
-
- for(int i=0;i<oneD;i++) {
- data_R[i]=seq[i];
- data_G[i]=seq[oneD+i];
- data_B[i]=seq[2*oneD+i];
+ if(lena) {
+ for(int i=0;i<oneD;i++) {
+ data_R[i]=seq[i];
+ data_G[i]=seq[oneD+i];
+ data_B[i]=seq[2*oneD+i];
+ }
+ store_RGB_pixmap("lena3.ppm", data_R, data_G, data_B, width, height);
+ }
+ else {
+ bool equal=true;
+ for(int i=0;i<imsize;i++) {
+ //cout<<(int)buffer[i]<<endl;
+ if(buffer[i]!=seq[i]) {
+ equal=false;
+ }
+ }
+ cout<<"RESULT CORRECT: "<<equal<<endl;
}
- store_RGB_pixmap("lena3.ppm", data_R, data_G, data_B, width, height);