def Exreceive_(self):
Receive_().receive_all()
# if os.path.exists(temp_) == True:
# pass
# else: temp_
if R_path.endswith('.txt'):
f = open(R_path, "r")
my_dict = eval(f.read())
else:
im1 = Image.open(R_path)
text = stepic.decode(im1)
rec_ = open(temp_ + "crytp.txt", "wb")
rec_.write(bytearray(map(ord, text)))
rec_.close()
f = open(temp_ + "crytp.txt", "r")
my_dict = eval(f.read())
R = my_dict['r']
S = my_dict['s']
Cr = my_dict['c']
f.close()
R = R.split()
r_x = int(R[1], base=16)
r_y = int(R[3], base=16)
R = curves.Point(r_x, r_y, cv)
# Bank
K_2b = (S * p) + R
Y_K2b = (bytes(str(K_2b.y), 'utf-8'))
K_1b = (K_2b.x * d_b) * P_c
X_K1b = (bytes(str(K_1b.x), 'utf-8'))
key_b = X_K1b[:16] # Symmetric Key
iv_b = "9B7D2C34A366BF89"
aesd_b = aes.AESModeOfOperationOFB(key_b, iv_b)
decrypted_b = aesd_b.decrypt(Cr)
plaintext = open(temp_ + "plain.zip", "wb")
plaintext.write(decrypted_b)
plaintext.close()
plaintext = open(temp_ + "plain.zip", "rb")
plaintext = plaintext.read()
h_b = hashlib.sha256()
h_b.update(plaintext)
h_b.update(Y_K2b)
h_b = int(h_b.hexdigest(), 16)
R_b = h_b * P_c
print(temp_)
if R == R_b:
shutil.move(temp_ + "plain.zip", output_file_path + ".zip")
Factory.RWin().open()
else:
Factory.RDefeat().open()
shutil.rmtree(temp_, ignore_errors=True)
def Exreceive_(self):
Receive_().receive_all()
f = open(R_path, "r")
my_dict = eval(f.read())
R = my_dict['r']
S = my_dict['s']
Cr = my_dict['c']
f.close()
print(temp_)
shutil.rmtree(temp_, ignore_errors=True)
R = R.split()
r_x = int(R[1], base=16)
r_y = int(R[3], base=16)
R = curves.Point(r_x, r_y, cv)
# Bank
K_2b = (S * p) + R
Y_K2b = (bytes(str(K_2b.y), 'utf-8'))
K_1b = (K_2b.x * d_b) * P_c
X_K1b = (bytes(str(K_1b.x), 'utf-8'))
key_b = X_K1b[:16] # Symmetric Key
iv_b = "9B7D2C34A366BF89"
aesd_b = aes.AESModeOfOperationOFB(key_b, iv_b)
decrypted_b = aesd_b.decrypt(Cr)
plaintext = open(output_file_path + ".zip", "wb")
plaintext.write(decrypted_b)
plaintext.close()
plaintext = open(output_file_path + ".zip", "rb")
plaintext = plaintext.read()
h_b = hashlib.sha256()
h_b.update(plaintext)
h_b.update(Y_K2b)
h_b = int(h_b.hexdigest(), 16)
R_b = h_b * P_c
if R == R_b:
Factory.RWin().open()
else:
Factory.RDefeat().open()
def send_all(self):
global d_c1, Bank_x, Bank_y, My_ID, d_c, P_c, P_b
if type(d_c1) is int:
d_c1 = d_c1
else: d_c1 = int(d_c1, base=16)
if type(Bank_x) is int:
Bank_x = Bank_x
else: Bank_x = int(Bank_x, base=16)
if type(Bank_y) is int:
Bank_y = Bank_y
else: Bank_y = int(Bank_y, base=16)
Bank_R = curves.Point(Bank_x, Bank_y, cv)
P_b = Bank_R
if type(My_ID) is bytes:
My_ID = My_ID
else:
My_ID = (bytes(My_ID, 'utf-8'))
d_c2 = (r_KGC + d_KGC * int(hashlib.sha256(My_ID).hexdigest(), 16))%q
d_c = d_c1 * d_c2
P_c = d_c * p
def receive_all(self):
global d_b1, client_x, client_y, Receiver_ID, d_b, P_c, P_b
if type(d_b1) is int:
d_b1 = d_b1
else: d_b1 = int(d_b1, base=16)
if type(client_x) is int:
client_x = client_x
else: client_x = int(client_x, base=16)
if type(client_y) is int:
client_y = client_y
else: client_y = int(client_y, base=16)
Client_R = curves.Point(client_x, client_y, cv)
P_c = Client_R
if type(Receiver_ID) is bytes:
Receiver_ID = Receiver_ID
else:
Receiver_ID = (bytes(Receiver_ID, 'utf-8'))
d_b2 = (r_KGC + d_KGC * int(hashlib.sha256(Receiver_ID).hexdigest(), 16))%q
d_b = d_b1 * d_b2
P_b = d_b * p
import random
import time
import aes
import stepic
import hashlib
from PIL import Image
import curves
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen, ScreenManager
from kivy.factory import Factory
from kivy.core.window import Window
temp_ = tempfile.mkdtemp()
cv = curves.Curve.get_curve('secp160r1')
p = curves.Point(0x4a96b5688ef573284664698968c38bb913cbfc82,
0x23a628553168947d59dcc912042351377ac5fb32, cv)
q = 0x100000000000000000001f4c8f927aed3ca752257
iv_c = "9B7D2C34A366BF89"
d_KGC = 773182302672421767750165305491852205951657281488
r_KGC = 1354751385705862203270732046669540660812388894970
d_c1 = 682751145430528733998785385796475295296378616137
Bank_x = "5dc45f399f852ac96b279ef7f269642edc29164e"
Bank_y = "9575c1d5c4ac6327cc06580c86c20097db357a52"
My_ID = "id_c"
d_b1 = 636094978034945902382888945383118957293951948210
client_x = "587127a78a1022e5b6ae512825dbc56aba2499bf"
client_y = "e3b68f415f942a86d0d31e99a2d856194bc57d5c"
Receiver_ID = "id_b"
class Var_():