reverse the binary string before hashing in encoding

file_to_dna.py

@@ -27,7 +27,7 @@ bsaI_size = 7
 extern_extremity_size = primer_size + overhang_size + bsaI_size + buffer_size # size of non-payload dna part at the extern extremities (start of first block and end of last block)
 intern_extremity_size = overhang_size + bsaI_size + buffer_size # size of non-payload dna part at the extremities between blocks
   
-max_total_block_size = 500 # maximum allowed size for a complete block
+max_total_block_size = 300 # maximum allowed size for a complete block
 min_total_block_size = 300 # minimum allowed size for a complete block
 force_size_to_max = True # set to false if blocks can have any size between min and max, else force the size of all blocks to be the max size
 n_block_max = 10 # maximum assembled number of blocks
@@ -191,6 +191,7 @@ def encode_file(input_path: str, output_path: str) -> None:
 
     
     # apply a filter to the binary string -> shuffle the data to avoid long rows of 0 or 1, and avoid rows repetitions 
+    binary_string = binary_string[::-1] # reverse the binary string, because 2 files can have the same start with ziping methods
     filtered_binary_string = bdc.apply_binary_filter(binary_string)
     
     
@@ -274,6 +275,7 @@ def decode_file(input_path: str, output_path: str) -> None:
         
     # apply the same filter used in the encoding to the binary string to remove it  
     binary_string = bdc.apply_binary_filter(binary_string)
+    binary_string = binary_string[::-1] # reverse the binary string to get the original
 
     # case binaries length is not multiple of 8 -> remove the excess bits at the beginning that have been added in the encoding to get a round number of blocks
     rest = len(binary_string) % 8