update of old one round in order to degrade it

[Cipher_code.git] / OneRoundIoT / openssl / openssl_evp.c

diff --git a/OneRoundIoT/openssl/openssl_evp.c b/OneRoundIoT/openssl/openssl_evp.c
index be8eb742891684d80b1f3c0e38420119eb83f96d..6860932ba85a2e8c9d5f7b3e64c1593a2980422c 100644 (file)
--- a/OneRoundIoT/openssl/openssl_evp.c
+++ b/OneRoundIoT/openssl/openssl_evp.c
@@ -57,9 +57,14 @@ int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
    * In this example we are using 256 bit AES (i.e. a 256 bit key). The
    * IV size for *most* modes is the same as the block size. For AES this
    * is 128 bits */
    * In this example we are using 256 bit AES (i.e. a 256 bit key). The
    * IV size for *most* modes is the same as the block size. For AES this
    * is 128 bits */

-
+  //static double  time=0;
+  //double t=0;
+  //t=TimeStart();

   //256
   //avant ecb
   //256
   //avant ecb

+    for(int i=0;i<nb_test;i++)
+  {  
+

   if(ctr) {
     if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_128_ctr(), NULL, key, iv))
       handleErrors();
   if(ctr) {
     if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_128_ctr(), NULL, key, iv))
       handleErrors();


@@ -68,6 +73,10 @@ int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
       if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv))
        handleErrors();
 
       if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv))
        handleErrors();
 

+  //time+=TimeStop(t);
+  //printf("Time init %f\n",time);
+
+  

 //  int cipherBlockSize = EVP_CIPHER_CTX_block_size(ctx);  
 //  printf("INFO(evp_encrypt): block size: %d\n", cipherBlockSize);
 
 //  int cipherBlockSize = EVP_CIPHER_CTX_block_size(ctx);  
 //  printf("INFO(evp_encrypt): block size: %d\n", cipherBlockSize);
 


@@ -76,25 +85,22 @@ int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
    * EVP_EncryptUpdate can be called multiple times if necessary
    */
 
    * EVP_EncryptUpdate can be called multiple times if necessary
    */
 

-
+/*

   static double  time=0;
   double t=0;
   t=TimeStart();
   static double  time=0;
   double t=0;
   t=TimeStart();

-
-//  for(int i=0;i<nb_test;i++)
-  {  
+*/

   
   

-    
-    if(1 != EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, plaintext_len))
+      if(1 != EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, plaintext_len))

       handleErrors();
     ciphertext_len = len;
     
       handleErrors();
     ciphertext_len = len;
     

-  }
-  time+=TimeStop(t);
-  if(index==nb_test-1)
-    printf("Time encrypt %f\n",time);
-    

 
 

+/*  time+=TimeStop(t);
+  // if(index==nb_test-1)
+  printf("Time encrypt %f\n",time);
+    
+*/

 
   
   /* Finalise the encryption. Further ciphertext bytes may be written at
 
   
   /* Finalise the encryption. Further ciphertext bytes may be written at


@@ -102,7 +108,7 @@ int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
    */
   if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + len, &len)) handleErrors();
   ciphertext_len += len;
    */
   if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + len, &len)) handleErrors();
   ciphertext_len += len;

-
+  }

   /* Clean up */
   EVP_CIPHER_CTX_free(ctx);
 
   /* Clean up */
   EVP_CIPHER_CTX_free(ctx);
 


@@ -129,6 +135,9 @@ int decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key,
 
   //256
 
 
   //256
 

+  for(int i=0;i<nb_test;i++)
+  {  
+  

   //avant => ecb
   if(ctr) {
     if(1 != EVP_DecryptInit_ex(ctx, EVP_aes_128_ctr(), NULL, key, iv))
   //avant => ecb
   if(ctr) {
     if(1 != EVP_DecryptInit_ex(ctx, EVP_aes_128_ctr(), NULL, key, iv))


@@ -142,27 +151,30 @@ int decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key,
    * EVP_DecryptUpdate can be called multiple times if necessary
    */
   
    * EVP_DecryptUpdate can be called multiple times if necessary
    */
   

-  static double time=0;
+/*  static double time=0;

   double t=0;
   t=TimeStart();
   double t=0;
   t=TimeStart();

+*/

 
 

-//  for(int i=0;i<nb_test;i++)
-  {  
+    plaintext_len = 0;

     if(1 != EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len))
       handleErrors();
     plaintext_len = len;
     if(1 != EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len))
       handleErrors();
     plaintext_len = len;

-  }

 
 

-  time+=TimeStop(t);
-  if(index==nb_test-1)
+/*  time+=TimeStop(t);
+//  if(index==nb_test-1)

     printf("Time decrypt %f\n",time);
     printf("Time decrypt %f\n",time);

+*/
+

   
   /* Finalise the decryption. Further plaintext bytes may be written at
    * this stage.
    */
   if(1 != EVP_DecryptFinal_ex(ctx, plaintext + len, &len)) handleErrors();
   plaintext_len += len;
   
   /* Finalise the decryption. Further plaintext bytes may be written at
    * this stage.
    */
   if(1 != EVP_DecryptFinal_ex(ctx, plaintext + len, &len)) handleErrors();
   plaintext_len += len;

-
+  }
+  
+  

   /* Clean up */
   EVP_CIPHER_CTX_free(ctx);
 
   /* Clean up */
   EVP_CIPHER_CTX_free(ctx);
 


@@ -223,7 +235,8 @@ int main (int argc, char** argv)
 //  load_RGB_pixmap("No_ecb_mode_picture.ppm", &width, &height, &data_R, &data_G, &data_B);
   }
   else {
 //  load_RGB_pixmap("No_ecb_mode_picture.ppm", &width, &height, &data_R, &data_G, &data_B);
   }
   else {

-    width=height=size_buf;
+    width=size_buf;
+    height=size_buf;

     imsize=width*height;
     buffer=malloc(imsize*sizeof(uchar));
     for(int i=0;i<imsize;i++) {
     imsize=width*height;
     buffer=malloc(imsize*sizeof(uchar));
     for(int i=0;i<imsize;i++) {


@@ -234,7 +247,7 @@ int main (int argc, char** argv)
 
 
   int oneD=width*height;
 
 
   int oneD=width*height;

-  uchar *plaintext = malloc(imsize);
+  uchar *plaintext = malloc(imsize+1000);   //add that for cbc

   if(lena) {
     for(int i=0;i<oneD;i++) {
       plaintext[i]=data_R[i];
   if(lena) {
     for(int i=0;i<oneD;i++) {
       plaintext[i]=data_R[i];


@@ -251,10 +264,10 @@ int main (int argc, char** argv)
 
   
 
 
   
 

-  uchar *ciphertext = malloc(imsize);
+  uchar *ciphertext = malloc(imsize+1000); //add that for cbc

 
   /* Buffer for the decrypted text */
 
   /* Buffer for the decrypted text */

-  uchar *decryptedtext = malloc(imsize);
+  uchar *decryptedtext = malloc(imsize+1000); //add that for cbc

 
   int decryptedtext_len, ciphertext_len;
 
 
   int decryptedtext_len, ciphertext_len;
 


@@ -265,7 +278,8 @@ int main (int argc, char** argv)
 */
 
 
 */
 
 

-  double time=0;
+  double time_encrypt=0;
+  double time_decrypt=0;

   double t=TimeStart();
 
   
   double t=TimeStart();
 
   


@@ -274,15 +288,16 @@ int main (int argc, char** argv)
 
   int i;
 
 
   int i;
 

-  for(i=0;i<nb_test;i++)
+//  for(i=0;i<nb_test;i++)

   {  
     ciphertext_len = encrypt (plaintext, imsize, key, iv,
                              ciphertext, ctr, i );
   }
 
   {  
     ciphertext_len = encrypt (plaintext, imsize, key, iv,
                              ciphertext, ctr, i );
   }
 

- time+=TimeStop(t);
+ time_encrypt+=TimeStop(t);

 
 

- printf("Time encrypt %f\n",time);
+// printf("Time encrypt %f\n",time);
+ printf("%f\t",(double)imsize*nb_test/time_encrypt);

 
  if(lena) {
    for(int i=0;i<oneD;i++) {
 
  if(lena) {
    for(int i=0;i<oneD;i++) {


@@ -294,20 +309,20 @@ int main (int argc, char** argv)
  }
  
   
  }
  
   

-  time=0;

   t=0;
   t=TimeStart();
 
   t=0;
   t=TimeStart();
 

-  for(int i=0;i<nb_test;i++)
+  //for(int i=0;i<nb_test;i++)

   {  
     /* Decrypt the ciphertext */
     decryptedtext_len = decrypt(ciphertext, ciphertext_len, key, iv,
                                decryptedtext,ctr, i);
   }
 
   {  
     /* Decrypt the ciphertext */
     decryptedtext_len = decrypt(ciphertext, ciphertext_len, key, iv,
                                decryptedtext,ctr, i);
   }
 

- time+=TimeStop(t);
+ time_decrypt+=TimeStop(t);

 
 

- printf("Time decrypt %f\n",time);
+ //printf("Time decrypt %f\n",time);
+ printf("%f\t",(double)imsize*nb_test/time_decrypt);

 
  if(lena) {
    for(int i=0;i<oneD;i++) {
 
  if(lena) {
    for(int i=0;i<oneD;i++) {


@@ -325,7 +340,7 @@ int main (int argc, char** argv)
        equal=0;
      }
    }
        equal=0;
      }
    }

-   printf("RESULT CORRECT: %d\n",equal);
+//   printf("RESULT CORRECT: %d\n",equal);

  }
   
 
  }