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infidel-code/py_wrappers/Publish_Encrypted.py

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+import paho.mqtt.client as paho
+# from simplecrypt import encrypt, decrypt
+import base64
+from ctypes import *
+import _ctypes
+from textwrap import wrap
+
+
+# Konfigurasi MQTT server
+# broker = "192.168.43.134"
+broker = "nnag.xyz"
+client = paho.Client()
+port = 1883
+
+def u_encrypt(arg):
+    so_file = 'EES401/URG_encrypt.so'
+    u_enc = CDLL(so_file)
+    u_enc.main.restype = c_double
+    u_enc.main.argtype = c_char_p
+    str_temp = "07"
+    c_return = u_enc.main(arg.encode('utf-8'), str_temp.encode('utf-8'))
+    print("Python Log :  C Return ", c_return)
+    _ctypes.dlclose(u_enc._handle)
+
+def u_decrypt(arg):
+    #   arg = base64.b64decode(arg)
+    so_file2 = './URG_decrypt.so'
+    arg_len = len(arg)
+    arg = c_char_p(arg)
+    print("Python Log : Current Cipher ", arg)
+    print("Python Log : Length to be Dec ", arg_len)
+    u_dec = CDLL(so_file2)
+    u_dec.main.restype = c_char_p
+    u_dec.main.argtype = c_char_p
+    c_return = u_dec.main(arg)
+    _ctypes.dlclose(u_dec._handle)
+    return c_return
+
+def file_handler(f_name, num):
+    num = str(num).zfill(2)
+    f = open("./cipher/"+f_name+"_"+num+".dat", "rb")
+    return f.read()
+
+#   Proses enkripsi
+def payload_process(plain):
+    u_encrypt(plain)
+    plain = file_handler("cipher_EES401", 7)
+    print("Python LOG Cipher Length : ", len(plain))
+    send_data = base64.b64encode(plain)
+    return send_data
+
+def plain_handler(f_name, num):
+    num = str(num).zfill(2)
+    f = open("./plain/"+f_name+"_"+num+".txt", "r")
+    return f.read()
+
+
+# Add this to test the Blacklist feature
+# blacklist_trigger = base64.b64encode(b"I'm gonna make this program crash!"*10)
+# cipher_arr.append(blacklist_trigger)
+# msg_data = blacklist_trigger
+
+# ======================== || START FROM HERE BUDDY || ==================
+n = input("Enter number of plain : ")
+n = int(n)
+for i in range(1, n+1):
+    plain = plain_handler("plain", i)
+    i = 0
+    my_ip = "device01"
+    identifier = "&"
+    f_name = "cipher_EES401"
+    plain_arr = []
+    cipher_arr = []
+    # plain = input("Enter plain  : ")
+    # plain = "This message is longer than 4 char"
+    x = 16 - (len(plain) % 4)
+    plain = plain+(" "*x)
+    plain_arr = wrap(plain, 16, replace_whitespace=False, drop_whitespace=False)
+    print("Join List Test ", ''.join(plain_arr))
+    client.connect(broker,port)
+    # plain_now = plain_arr[1]
+
+    for i in range(len(plain_arr)):
+        data_now = payload_process(plain_arr[i])
+        cipher_arr.append(data_now)
+        print("Plain now : ", plain)
+
+    msg_data = b''.join(cipher_arr)
+    # send_data = my_ip+identifier+msg_data.decode('ascii')
+    send_data = msg_data.decode('ascii')
+    # print("Python LOG Plain : ", plain)
+    print("Python LOG Plain Length : ", len(plain))
+    print("Sending Cipher with length ", len(send_data))
+    print("Python LOG Plain Array : ", plain_arr)
+    # print("Python LOG Cipher Length : ", len(send_data))
+    client.publish("device01/msg", send_data)
+    # test_str = "Test String"
+    # client.publish("device01/msg", base64.b64encode(test_str.encode("utf-8")) )