2 //g++ -O3 one_round_new.cpp pixmap_io.o -o one_round_new -std=c++11
13 /*#include <cryptopp/hex.h>
14 #include <cryptopp/sha.h>
15 #include <cryptopp/osrng.h>
16 #include <cryptopp/secblock.h>
21 int load_RGB_pixmap(char *filename, int *width, int *height, unsigned char**R_data, unsigned char**G_data, unsigned char**B_data);
22 void store_RGB_pixmap(char *filename, unsigned char *R_data, unsigned char *G_data, unsigned char *B_data, int width, int height);
26 //using namespace CryptoPP;
40 typedef unsigned char uchar;
45 struct timeval tstart;
46 gettimeofday(&tstart,0);
47 return( (double) (tstart.tv_sec + tstart.tv_usec*1e-6) );
50 double TimeStop(double t)
54 gettimeofday(&tend,0);
55 t = (double) (tend.tv_sec + tend.tv_usec*1e-6) - t;
64 void inverse_tables(uchar *tab, int size_tab,uchar *inv_perm_tabs) {
66 for(int i=0;i<size_tab;i++) {
67 inv_perm_tabs[tab[i]] = i;
72 void inverse_tables_int(int *tab, int size_tab,int *inv_perm_tabs) {
74 for(int i=0;i<size_tab;i++) {
75 inv_perm_tabs[tab[i]] = i;
82 void rc4key(uchar *key, uchar *sc, int size_DK) {
84 for(int i=0;i<256;i++) {
90 for(int i0=0; i0<256; i0++) {
91 j0 = (j0 + sc[i0] + key[i0%size_DK] )&0xFF;
100 void rc4keyperm(uchar *key,int len, int rp,int *sc, int size_DK) {
106 for (int i=0;i<len;i++) {
109 for (int it = 0; it < rp; it++) {
111 for(int i0 = 0; i0<len; i0++) {
112 j0 = (j0 + sc[i0] + sc[j0] + key[i0%size_DK] )% len;
121 void prga(uchar *sc, int ldata, uchar *r) {
125 for (int it=0; it<ldata; it++) {
126 i0 = ((i0+1)&0xFE); //%255);
127 j0 = (j0 + sc[i0])&0xFF;
131 r[it]=sc[(sc[i0]+sc[j0])&0xFF];
139 void encrypt_ctr(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int enc) {
142 // uchar *X=new uchar[h2];
143 // uchar *fX=new uchar[h2];
150 for(int a=0;a<h2;a++) {
151 X[a]=Sbox1[a&0xFF]; //Warning according to the size of h2, we can be outsize of Sbox1[a]
155 for(int it=0;it<len;it++) {
166 for(int a=0;a<h2;a+=4) {
168 X[a+1]=X[Sbox1[a+1]];
169 X[a+2]=X[Sbox1[a+2]];
170 X[a+3]=X[Sbox1[a+3]];
176 // *(int*)&fX[0]^=it;
179 /* for(int a=0;a<h2;a+=16) {
183 *(int*)&fX[a+12]^=it;
188 for(int a=0;a<h2;a+=4) {
190 fX[a+1]=X[a+1]^RM1[a+1];
191 fX[a+2]=X[a+2]^RM1[a+2];
192 fX[a+3]=X[a+3]^RM1[a+3];
196 /* for(int a=0;a<h2;a+=4) {
198 fX[a+1]=Sbox2[fX[a+1]];
199 fX[a+2]=Sbox2[fX[a+2]];
200 fX[a+3]=Sbox2[fX[a+3]];
203 for(int a=0;a<h2;a+=4) {
204 fX[a]=fX[a]^seq_in[ind2+a];
205 fX[a+1]=fX[a+1]^seq_in[ind2+a+1];
206 fX[a+2]=fX[a+2]^seq_in[ind2+a+2];
207 fX[a+3]=fX[a+3]^seq_in[ind2+a+3];
211 for(int a=0;a<h2;a+=4) {
212 seq_out[ind1+a]=fX[a];
213 seq_out[ind1+a+1]=fX[a+1];
214 seq_out[ind1+a+2]=fX[a+2];
215 seq_out[ind1+a+3]=fX[a+3];
218 for(int a=0;a<h2;a+=4) {
219 RM1[a]=RM1[PboxRM[a]];
220 RM1[a+1]=RM1[PboxRM[a+1]];
221 RM1[a+2]=RM1[PboxRM[a+2]];
222 RM1[a+3]=RM1[PboxRM[a+3]];
234 void encrypt(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Sbox1, uchar *Sbox2, int debug) {
237 /* uchar *X=new uchar[h2];
238 uchar *fX=new uchar[h2];
239 unsigned int *lX=(unsigned int*)X;
240 unsigned int *lseq_in=(unsigned int*)seq_in;
244 // unsigned int *lX=(unsigned int*)X;
245 // unsigned int *lseq_in=(unsigned int*)seq_in;
248 for(int it=0;it<len;it++) {
250 int ind2=Pbox[it]*h2;
252 for(int a=0;a<h2;a+=4) {
254 X[a+1]=seq_in[ind2+a+1];
255 X[a+2]=seq_in[ind2+a+2];
256 X[a+3]=seq_in[ind2+a+3];
259 for(int a=0;a<h2;a+=4){
261 fX[a+1]=Sbox1[X[a+1]];
262 fX[a+2]=Sbox1[X[a+2]];
263 fX[a+3]=Sbox1[X[a+3]];
267 for(int a=0;a<h2;a+=4) {
269 fX[a+1]=fX[a+1]^RM1[a+1];
270 fX[a+2]=fX[a+2]^RM1[a+2];
271 fX[a+3]=fX[a+3]^RM1[a+3];
275 for(int a=0;a<h2;a+=4) {
276 seq_out[ind1+a]=Sbox2[fX[a]];
277 seq_out[ind1+a+1]=Sbox2[fX[a+1]];
278 seq_out[ind1+a+2]=Sbox2[fX[a+2]];
279 seq_out[ind1+a+3]=Sbox2[fX[a+3]];
282 for(int a=0;a<h2;a+=4) {
283 RM1[a]=RM1[PboxRM[a]];
284 RM1[a+1]=RM1[PboxRM[a+1]];
285 RM1[a+2]=RM1[PboxRM[a+2]];
286 RM1[a+3]=RM1[PboxRM[a+3]];
300 void decrypt(uchar* seq_in, uchar *seq_out, int len,uchar* RM1,int *Pbox, int *PboxRM, uchar *Inv_Sbox1, uchar *Inv_Sbox2, int debug) {
303 /*uchar *fX=new uchar[h2];
304 uchar *Inv_Sbox1=new uchar[256];
305 uchar *Inv_Sbox2=new uchar[256];
311 for(int it=0;it<len;it++) {
314 int ind2=Pbox[it]*h2;
319 for(int a=0;a<h2;a+=4) {
320 fX[a]=seq_in[ind1+a];
321 fX[a+1]=seq_in[ind1+a+1];
322 fX[a+2]=seq_in[ind1+a+2];
323 fX[a+3]=seq_in[ind1+a+3];
326 for(int a=0;a<h2;a+=4) {
327 fX[a]=Inv_Sbox2[fX[a]];
328 fX[a+1]=Inv_Sbox2[fX[a+1]];
329 fX[a+2]=Inv_Sbox2[fX[a+2]];
330 fX[a+3]=Inv_Sbox2[fX[a+3]];
332 for(int a=0;a<h2;a+=4) {
334 fX[a+1]=fX[a+1]^RM1[a+1];
335 fX[a+2]=fX[a+2]^RM1[a+2];
336 fX[a+3]=fX[a+3]^RM1[a+3];
339 for(int a=0;a<h2;a+=4) {
340 RM1[a]=RM1[PboxRM[a]];
341 RM1[a+1]=RM1[PboxRM[a+1]];
342 RM1[a+2]=RM1[PboxRM[a+2]];
343 RM1[a+3]=RM1[PboxRM[a+3]];
346 for(int a=0;a<h2;a+=4) {
347 seq_out[ind2+a]=Inv_Sbox1[fX[a]];
348 seq_out[ind2+a+1]=Inv_Sbox1[fX[a+1]];
349 seq_out[ind2+a+2]=Inv_Sbox1[fX[a+2]];
350 seq_out[ind2+a+3]=Inv_Sbox1[fX[a+3]];
360 int main(int argc, char** argv) {
369 for(int i=1; i<argc; i++){
370 if(strncmp(argv[i],"nb",2)==0) nb_test = atoi(&(argv[i][2])); //nb of test
371 if(strncmp(argv[i],"ctr",3)==0) ctr = atoi(&(argv[i][3])); //CTR ? 1 otherwise CBC like
372 if(strncmp(argv[i],"h",1)==0) h = atoi(&(argv[i][1])); //size of block
373 if(strncmp(argv[i],"sizebuf",7)==0) size_buf = atoi(&(argv[i][7])); //SIZE of the buffer
374 if(strncmp(argv[i],"lena",4)==0) lena = atoi(&(argv[i][4])); //Use Lena or buffer
377 /* printf("nb times %d\n",nb_test);
378 printf("ctr %d\n",ctr);
380 printf("lena %d\n",lena);
381 printf("size_buf %d\n",size_buf);
391 uchar Secretkey[key_size];
393 uchar counter[key_size];
395 for(int i=0;i<key_size;i++) {
396 Secretkey[i]=lrand48()&0xFF;
397 counter[i]=lrand48()&0xFF;
410 uchar *data_R, *data_G, *data_B;
415 load_RGB_pixmap("lena.ppm", &width, &height, &data_R, &data_G, &data_B);
416 imsize=width*height*3;
417 // load_RGB_pixmap("No_ecb_mode_picture.ppm", &width, &height, &data_R, &data_G, &data_B);
420 width=height=size_buf;
422 buffer=new uchar[imsize];
423 for(int i=0;i<imsize;i++) {
432 uchar* seq= new uchar[imsize];
433 uchar* seq2= new uchar[imsize];
435 int oneD=width*height;
437 for(int i=0;i<oneD;i++) {
439 seq[oneD+i]=data_G[i];
440 seq[2*oneD+i]=data_B[i];
444 for(int i=0;i<oneD;i++) {
453 int total_len=imsize;
455 int len= total_len/h2;
459 uchar *mix=new uchar[256];
464 for (int i = 0; i < 256 ; i++) {
465 mix[i]=Secretkey[i]^counter[i];
469 // cout<<"hash "<<endl;
470 for (int i = 0; i < 64 ; i++) {
477 int *Pbox=new int[len];
478 int *PboxRM=new int[h2];
481 uchar Inv_Sbox1[256];
482 uchar Inv_Sbox2[256];
491 double t=TimeStart();
492 rc4key(DK, Sbox1, 8);
495 rc4key(&DK[8], Sbox2, 8);
497 rc4key(&DK[16], sc, 16);
503 rc4keyperm(&DK[32], len, rp, Pbox, 16);
506 rc4keyperm(&DK[48], h2, rp, PboxRM, 16);
509 cout<<"Time initializaton "<<time<<endl;
521 for(int i=0;i<h2;i++){
526 inverse_tables(Sbox1,256,Inv_Sbox1);
527 inverse_tables(Sbox2,256,Inv_Sbox2);
539 for(i=0;i<nb_test;i++)
542 encrypt_ctr<4*4>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
544 encrypt<4*4>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
549 for(i=0;i<nb_test;i++)
552 encrypt_ctr<8*8>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
554 encrypt<8*8>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
559 for(i=0;i<nb_test;i++)
562 encrypt_ctr<16*16>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
564 encrypt<16*16>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
569 for(i=0;i<nb_test;i++)
572 encrypt_ctr<32*32>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
574 encrypt<32*32>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
579 for(i=0;i<nb_test;i++)
582 encrypt_ctr<64*64>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
584 encrypt<64*64>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
589 for(i=0;i<nb_test;i++)
592 encrypt_ctr<128*128>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,1);
594 encrypt<128*128>(seq, seq2,len,RM1,Pbox,PboxRM,Sbox1,Sbox2,0);
600 cout<<"Time encrypt "<<time<<endl;
604 for(int i=0;i<oneD;i++) {
606 data_G[i]=seq2[oneD+i];
607 data_B[i]=seq2[2*oneD+i];
609 store_RGB_pixmap("lena2.ppm", data_R, data_G, data_B, width, height);
617 for(i=0;i<nb_test;i++) {
619 encrypt_ctr<4*4>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
621 decrypt<4*4>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
625 for(i=0;i<nb_test;i++) {
627 encrypt_ctr<8*8>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
629 decrypt<8*8>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
633 for(i=0;i<nb_test;i++) {
635 encrypt_ctr<16*16>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
637 decrypt<16*16>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
641 for(i=0;i<nb_test;i++) {
643 encrypt_ctr<32*32>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
645 decrypt<32*32>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
649 for(i=0;i<nb_test;i++) {
651 encrypt_ctr<64*64>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
653 decrypt<64*64>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
657 for(i=0;i<nb_test;i++) {
659 encrypt_ctr<128*128>(seq2, seq,len,RM2,Pbox,PboxRM,Sbox1,Sbox2,0);
661 decrypt<128*128>(seq2,seq,len,RM2,Pbox,PboxRM,Inv_Sbox1,Inv_Sbox2,0);
667 cout<<"Time decrypt "<<time<<endl;
670 for(int i=0;i<oneD;i++) {
672 data_G[i]=seq[oneD+i];
673 data_B[i]=seq[2*oneD+i];
675 store_RGB_pixmap("lena3.ppm", data_R, data_G, data_B, width, height);
679 for(int i=0;i<imsize;i++) {
680 //cout<<(int)buffer[i]<<endl;
681 if(buffer[i]!=seq[i]) {
685 // cout<<"RESULT CORRECT: "<<equal<<endl;