X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/Cipher_code.git/blobdiff_plain/f468314fbb129d22a901c316d2276d25923c9f47..8d1fcf81c437856befb3c4d31fcb6afce6a8f6ca:/OneRoundIoT/EnhancedOneRound/enhanced_oneround.cpp?ds=inline

diff --git a/OneRoundIoT/EnhancedOneRound/enhanced_oneround.cpp b/OneRoundIoT/EnhancedOneRound/enhanced_oneround.cpp
index 22a7a90..1b2980c 100644
--- a/OneRoundIoT/EnhancedOneRound/enhanced_oneround.cpp
+++ b/OneRoundIoT/EnhancedOneRound/enhanced_oneround.cpp
@@ -38,7 +38,7 @@ int ecbprng=0;
 
 
 
-
+typedef __uint64_t mylong;
 
 
 typedef unsigned char   uchar;
@@ -73,18 +73,22 @@ uint xorshift32(const uint t)
   return x;
 }
 
-ulong xorshift64(ulong t)
+
+mylong xorseed;
+
+mylong xorshift64()
 {
         /* Algorithm "xor" from p. 4 of Marsaglia, "Xorshift RNGs" */
-        ulong x = t;
+        mylong x = xorseed;
         x ^= x >> 12; // a
         x ^= x << 25; // b
         x ^= x >> 27; // c
 
 
-        return x;
+        return xorseed=x;
 }
 
+/*
 __uint128_t g_lehmer64_state;
 
 inline uint64_t splitmix64_stateless(uint64_t index) {
@@ -106,7 +110,7 @@ inline uint64_t lehmer64() {
   return g_lehmer64_state >> 64;
 }
 
-
+*/
 
 
 
@@ -187,17 +191,19 @@ void prga(uchar *sc, int ldata, uchar *r) {
 
 
 template<int h>
-void encrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, ulong myrand, int debug) {
+void encrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, mylong myrand, int debug) {
 
   uchar X[h];
   uchar Y[h];
   uchar fX[h];
   uchar gY[h];
-  uchar RM1[h];
-  uchar RM2[h];
+  uchar *RM1=&RM[0];
+  uchar *RM2=&RM[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
+
+  
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -205,9 +211,9 @@ void encrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbo
 
     
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }  
 
@@ -313,7 +319,7 @@ void encrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbo
 
 
 template<int h>
-void decrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, uchar *Inv_Sbox1, uchar *Inv_Sbox2,  ulong myrand, int debug) {
+void decrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, uchar *Inv_Sbox1, uchar *Inv_Sbox2,  mylong myrand, int debug) {
 
   uchar invfX[h];
   uchar invgY[h];
@@ -322,8 +328,9 @@ void decrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pb
   uchar RM1[h];
   uchar RM2[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
+
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -331,9 +338,9 @@ void decrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pb
 
 
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }
 
@@ -439,7 +446,7 @@ void decrypt_ecb_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pb
 
 
 template<int h>
-void encrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, ulong myrand, int debug) {
+void encrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, mylong myrand, int debug) {
 
   uchar X[h];
   uchar Y[h];
@@ -448,8 +455,8 @@ void encrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox,
   uchar RM1[h];
   uchar RM2[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -457,9 +464,9 @@ void encrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox,
 
     
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }  
 
@@ -565,7 +572,7 @@ void encrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbox,
 
 
 template<int h>
-void decrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, uchar *Inv_Sbox1, uchar *Inv_Sbox2,  ulong myrand, int debug) {
+void decrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox, int *PboxSRM, uchar *Sbox1, uchar *Sbox2, uchar *Inv_Sbox1, uchar *Inv_Sbox2,  mylong myrand, int debug) {
 
   uchar invfX[h];
   uchar invgY[h];
@@ -574,8 +581,8 @@ void decrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox
   uchar RM1[h];
   uchar RM2[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -583,9 +590,9 @@ void decrypt_ecb_rm(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pbox
 
 
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }
 
@@ -858,11 +865,14 @@ void encrypt_cbc_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbo
   uchar gY[h];
   uchar IV1[h];
   uchar IV2[h];
-  uchar RM1[h];
-  uchar RM2[h];
+  uchar *RM1=&RM[0];
+  uchar *RM2=&RM[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
+
+
+
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -870,9 +880,9 @@ void encrypt_cbc_prng(uchar* seq_in, uchar *seq_out, int len,uchar* RM, int *Pbo
 
     
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }  
 
@@ -1027,11 +1037,13 @@ void decrypt_cbc_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pb
   uchar gY[h];
   uchar IV1[h];
   uchar IV2[h];
-  uchar RM1[h];
-  uchar RM2[h];
+  uchar *RM1=&RM[0];
+  uchar *RM2=&RM[h];
+//  uchar RM1[h];
+//  uchar RM2[h];
   uchar tmp[h];
-  ulong *rm1=(ulong*)RM1;
-  ulong *rm2=(ulong*)RM2;
+  mylong *rm1=(mylong*)RM1;
+  mylong *rm2=(mylong*)RM2;
   
   for(int it=0;it<len/2;it++) {
     int ind1=Pbox[it]*h;
@@ -1039,9 +1051,9 @@ void decrypt_cbc_prng(uchar* seq_in, uchar *seq_out, int len, uchar* RM, int *Pb
 
     
     for(int a=0;a<(h>>3);a++) {
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm1[a]=myrand;
-      myrand=lehmer64();
+      myrand=xorshift64();
       rm2[a]=myrand;
     }  
     
@@ -1898,7 +1910,7 @@ int main(int argc, char** argv) {
   uchar RM[h*h*2+256];
   uchar IV[2*h];
 
-  ulong myrand=0;
+  mylong myrand=0;
 
 
   double time_encrypt=0;
@@ -1958,8 +1970,8 @@ int main(int argc, char** argv) {
   inverse_tables(Sbox2,256,Inv_Sbox2);
 
 
-
-  lehmer64_seed(myrand);
+  xorseed=myrand;
+//  lehmer64_seed(myrand);
   time_encrypt=0;
   t=TimeStart();
 
@@ -2074,8 +2086,9 @@ int main(int argc, char** argv) {
     store_RGB_pixmap("lena2.ppm", data_R, data_G, data_B, width, height);
   }
 
-  
-  lehmer64_seed(myrand);
+
+  xorseed=myrand;
+  // lehmer64_seed(myrand);
   time_decrypt=0;
   t=TimeStart();
   switch(h) {
@@ -2189,6 +2202,5 @@ int main(int argc, char** argv) {
   }
   
 
-
   return 0;
 }