def Des(str, key, mode):
if mode == 0: #加密
text = str
length = len(text)
if length % 4 > 0:
text = text + (4 - (length % 4)) * " "
length = len(text)
finalRes = ""
for i in range(int(length / 4)):
tempText = [text[j] for j in range(i * 4, i * 4 + 4)]
finalRes = finalRes + DES.Des(tempText, key)
#print(finalRes)
return finalRes
elif mode == 1: #解密
text = str
length = len(text)
finalRes = ""
for i in range(int(length / 16)):
tempText = text[i * 16:i * 16 + 16]
finalRes = finalRes + DES.DeDes(tempText, key)
#print(finalRes)
return finalRes
else: #错误调用
return None
def main():
my_des = DES.Des()
user_dialog = User_Dialog.UserDialog()
# encrypt_decrypt = user_dialog.encrypt_or_decrypt()
message = user_dialog.get_input_message(1)
key = user_dialog.get_input_key()
# where_print_result = user_dialog.where_result()
encrypt_decrypt = user_dialog.DECRYPT
# message = "D:\Project\Python\des\Messages\Chiffrement_DES_de_Orelsan.txt"
# key = "D:\Project\Python\des\Messages\Clef_de_Orelsan.txt"
# message = "je sais pas trop mais je test des trucs plutot interessant ahah"
# key = "0100110010101110110111001010110111000100011010001100100000101010"
where_print_result = user_dialog.CONSOLE
if encrypt_decrypt == user_dialog.ENCRYPT:
message = my_des.encrypt(message, key)
elif encrypt_decrypt == user_dialog.DECRYPT:
message = my_des.decrypt(message, key)
if where_print_result == user_dialog.CONSOLE:
print(message)
elif encrypt_decrypt == user_dialog.FILE:
open("result.txt", "w").write(message)
print(
"Le fichier résultat 'result.txt' a été enregistré à la racine du projet."
)
