def down_file(self):
i=0
key = hmac.new('MBiQyKxOkH'.encode('utf-8'), 'rVtNNIywrx'.encode('utf-8'), hashlib.sha1).hexdigest()
AES=security.AESCipher(key)
for files in self.file_list:
decryptdata=security.AESCipher.decrypt(AES,files)
name="./download_files/downolad_file"+str(i)
with open(name, 'wb') as file:
file.write(decryptdata)
i=i+1
return len(self.file_list)
def make_T(self):
i = 0
while i < len(self.D):
self.T.append([])
self.T[i].append(self.W2[i])
key = hmac.new((self.key).encode('utf-8'),
self.W2[i].encode('utf-8'),
hashlib.sha1).hexdigest()
ctr = 1
while ctr < len(self.D[i]):
AES2 = security.AESCipher(key)
encryptdata = security.AESCipher.encrypt(AES2, self.D[i][ctr])
Gfunction.G.setxi(self.GKd, self.D[i][ctr])
Gfunction.G.setxi(self.GKz, self.W2[i] + str(ctr))
Gfunction.G.setxi(self.GKx, self.W2[i])
xid = Gfunction.G.gety(self.GKd)
z = Gfunction.G.gety(self.GKz)
invers = 0
EDB.Extended_Euclid(self, z, self.q)
if ((z * invers) % self.q != 1):
EDB.Extended_Euclid(self, self.q, z)
invers = self.t1
if (invers):
if (self.W2[i] == "Ratchet"):
print(invers)
else:
print("역원이 존재하지 않습니다. \n")
y = (xid * invers) % self.q
eysets = EYset(encryptdata, y)
self.T[i].append(eysets)
gy = Gfunction.G.gety(self.GKx)
q = gy * xid
xtag = OPRFSetup.OPRFSetup.left_to_right_binary(
self.OPRFSet, self.g, q, self.p)
ctr = ctr + 1
self.Xset.append(xtag)
self.State.append([])
self.State[i].append(self.W2[i])
self.State[i].append(ctr)
i = i + 1
return self.T
def getIds(self):
self.encode_key=hmac.new(self.key.encode('utf-8'), self.Ws[0][0].encode('utf-8'), hashlib.sha1).hexdigest()
AES=security.AESCipher(self.encode_key)
i=0
while i<len(self.IDs):
decryptdata=security.AESCipher.decrypt(AES,self.IDs[i])
print(decryptdata.decode('utf-8'))
self.decryptdata.append(decryptdata.decode('utf-8'))
i=i+1
def file_insert(self, file_name, open_file):
f = open(open_file, 'r')
file_content = f.read()
# f2 = open(open_file, 'r')
# file_content2 = f2.read()
file_keyword = re.split("[, !?:;\\n]+", file_content)
file_id = ""
AES = security.AESCipher(self.Encrypt_key)
encryptdata = security.AESCipher.encrypt(AES, file_content)
self.clientSock.send(file_name.encode('utf-8'))
time.sleep(0.1)
file_content_2 = json.dumps(encryptdata)
self.MTU_send(file_content_2)
time.sleep(0.1)
file_id = self.clientSock.recv(1460).decode('utf-8')
file = open('./filelist/input.txt', 'a')
file.write("\n" + file_id + ":" + ','.join(file_keyword))
file.close()