X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/Cipher_code.git/blobdiff_plain/006d7467f2d5d665ef56a1d1edc99a4daab94f48..eff7c8ed3a5515ef551c85075c5532c6f6f5c7d4:/OneRoundIoT/EnhancedOneRound/Simon_speck/C/user_tool.c

diff --git a/OneRoundIoT/EnhancedOneRound/Simon_speck/C/user_tool.c b/OneRoundIoT/EnhancedOneRound/Simon_speck/C/user_tool.c
index 70e7678..33cebf7 100644
--- a/OneRoundIoT/EnhancedOneRound/Simon_speck/C/user_tool.c
+++ b/OneRoundIoT/EnhancedOneRound/Simon_speck/C/user_tool.c
@@ -1,3 +1,6 @@
+////USAGE : ./user speck_256_128 ECB -e key lena.ppm tests.cip
+
+
 //user simon_64_32 12 -e key tests tests.cip
 
 //
@@ -168,14 +171,18 @@ int main(int argc, char *argv[]) {
     printf("Block Size: %d\n", my_cipher.block_size);
 
 
+    uint8_t *backup_buffer;
+    uint8_t *start=working_buffer;
     double t=TimeStart();
 
+    
     for(int i=0;i<100;i++) {
-    uint8_t *backup_buffer = working_buffer;
-    for(int block=0; block < input_size / block_size; block++){
+      working_buffer=start;
+      backup_buffer = working_buffer;
+      for(int block=0; block < input_size / block_size; block++){
         (*operationPtr)(my_cipher, working_buffer, working_buffer);
         working_buffer += block_size;
-    }
+      }
     }
 
     double time=TimeStop(t);