Final

DES.py

@@ -3,6 +3,7 @@
 
 import argparse
 import time
+import re
 
 #Constants/permutations
 PC1 = [
@@ -221,10 +222,6 @@ def DES_Encrypt(data_block, key):
     print ("Encrypted:", encrypted_data)
 
 
-def permute(data_block, permutation):
-    return [data_block[i - 1] for i in permutation]
-
-
 def DES_Decrypt(data_block, key):
     
     data_block = hex_to_binary(data_block)
@@ -313,7 +310,8 @@ def DES_Decrypt(data_block, key):
     decrypted_data.append(data_block)
     print ("Decrypted:", decrypted_data)
 
-
+def permute(data_block, permutation):
+    return [data_block[i - 1] for i in permutation]
 
 def parse_variables(file_path):
     variables = {}
@@ -329,6 +327,11 @@ def parse_variables(file_path):
         print(f"Error: The file {file_path} was not found.")
     return variables
 
+def write_result(file, label, data):
+    file.write("\n\n")
+    file.write(f"{label}=")
+    file.write(re.sub(r"[\[\], ']", "", str(data)))
+
 def output_file(output_file, operation):
     with open(output_file, 'w') as file:
         # write all the sub keys to the file remove brackets quotations and commas
@@ -353,16 +356,23 @@ def output_file(output_file, operation):
             file.write("\n")
             file.write(f"R{i}=")
             file.write(str(right_half_f[i]).replace("[","").replace("]","").replace(",","").replace(" ","").replace("'",""))
-        if operation == 'encryption' : 
-            file.write("\n")
-            file.write("\n")
-            file.write("Result=")
-            file.write(str(encrypted_data).replace("[","").replace("]","").replace(",","").replace(" ","").replace("'",""))
-        else :
-            file.write("\n")
-            file.write("\n")
-            file.write("Result=")
-            file.write(str(decrypted_data).replace("[","").replace("]","").replace(",","").replace(" ","").replace("'",""))
+    
+
+        if operation == 'encryption':
+            write_result(file, "Result", encrypted_data)
+        else:
+            write_result(file, "Result", decrypted_data)
+
+        # if operation == 'encryption' : 
+        #     file.write("\n")
+        #     file.write("\n")
+        #     file.write("Result=")
+        #     file.write(str(encrypted_data).replace("[","").replace("]","").replace(",","").replace(" ","").replace("'",""))
+        # else :
+        #     file.write("\n")
+        #     file.write("\n")
+        #     file.write("Result=")
+        #     file.write(str(decrypted_data).replace("[","").replace("]","").replace(",","").replace(" ","").replace("'",""))
 def main():
     start_time = time.time()
     # Set up command-line argument parsing

sample_output.txt

@@ -85,4 +85,4 @@ R15=01000011010000100011001000110100
 L16=01000011010000100011001000110100
 R16=00001010010011001101100110010101
 
-Result=85E813540F0AB405
+Result=85E813540F0AB405