Je vais me coucher

RFC8497.md

@@ -286,6 +286,8 @@ Cette requête est utilisé pour initialiser la communication crypté entre deux
 
 Requête envoyée en réponse à RSASend pour initialiser la connection cryptée en AES.
 
+
+
 ### Error ###
 
     Error

client/main.py

@@ -85,9 +85,7 @@ key = RSA.generate(BUFFER_SIZE)
 private_key = key.export_key()
 file_out = open("private.pem", "wb")
 file_out.write(private_key)
-
 public_key = key.publickey().export_key()
-
 file_out = open("receiver.pem", "wb")
 file_out.write(public_key)
 to_send = public_key.ljust(BUFFER_SIZE, b';')
@@ -96,25 +94,32 @@ clientSocket.send(BEGIN_MESSAGE)
 clientSocket.send(HEADER)
 clientSocket.send(to_send)
 clientSocket.send(END_MESSAGE)
+
 print('ok')
 # BEGIN
 chunk = clientSocket.recv(BUFFER_SIZE)
 print(chunk)
-# HEADER
 crypted = clientSocket.recv(BUFFER_SIZE).rstrip(b';')
-# AESKEY
 for i in range(60):
     crypted += clientSocket.recv(BUFFER_SIZE).rstrip(b";")
 # END
 chunk = clientSocket.recv(BUFFER_SIZE)
 print(chunk)
 
-# HEADER+AES key are encypted in same time, so decrypt thme at same time
+# HEADER+AES key are encypted in same time, so decrypt time at same time
 cipher_rsa = PKCS1_OAEP.new(key)
+texte_to_decrypt = b''
+
+for ligne in [crypted[i:i + BUFFER_SIZE] for i in range(0, len(crypted), BUFFER_SIZE)]:
+    to_decrypt = ligne[2:]
+    print(ligne)
+    print(int.from_bytes(ligne[:2], byteorder='big'))
+    to_decrypt = to_decrypt[:int.from_bytes(ligne[:2], byteorder='big')]
+    texte_to_decrypt += to_decrypt
 texte = b''
-for to_decrypt in [crypted[i:i + int(BUFFER_SIZE/8)] for i in range(0, len(crypted), int(BUFFER_SIZE/8))]:
+for to_decrypt in [texte_to_decrypt[i:i + int(BUFFER_SIZE/8)] for i in range(0, len(texte_to_decrypt), int(BUFFER_SIZE/8))]:
     texte += cipher_rsa.decrypt(to_decrypt)
-print(texte.decode('ascii'))
+print(texte)
 
 
 

client/private.pem

@@ -1,51 +1,51 @@
 -----BEGIN RSA PRIVATE KEY-----
-MIIJKQIBAAKCAgEArUCxN8128/Zck+vS0xtRwvQFhsl44wV8I5987RNdU/sYFkoG
-CkMLFiXXhrcsYhzEEyKQ6ci+4OtwPtXuY9hE8XWnmd16T6ypct41oRoCVzrlrwMs
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+1zVQUv+TIsU03aWzXyj7WvyOF9osqtIO+xDhc58WZ0YP73WBSgFBsihaqoo=
 -----END RSA PRIVATE KEY-----

client/receiver.pem

@@ -1,14 +1,14 @@
 -----BEGIN PUBLIC KEY-----
-MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArUCxN8128/Zck+vS0xtR
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+mhOXHwEoRIGKsIGSgKZrFVkCAwEAAQ==
 -----END PUBLIC KEY-----

server/main.py

@@ -8,7 +8,6 @@ import os
 import socket
 import threading
 
-
 #### logging ####
 # json decoder for int keys
 from Crypto.Cipher import PKCS1_OAEP
@@ -82,7 +81,6 @@ VERSION = "EICP2P2 V1"
 DONE = 0
 ERROR = 1
 
-
 #### Socket ####
 main_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 main_socket.bind((HOST, PORT))
@@ -174,13 +172,14 @@ class clientThread(threading.Thread):
     def send(self, to_send):
         self.client.send(BEGIN_MESSAGE)
         i = 0
-        for to_send_text in [to_send[i:i + BUFFER_SIZE] for i in range(0, len(to_send), BUFFER_SIZE)]:
-            self.client.send(to_send_text.ljust(BUFFER_SIZE, b";"))
+        for to_send_text in [to_send[i:i + BUFFER_SIZE - 2] for i in range(0, len(to_send), BUFFER_SIZE - 2)]:
+            print((len(to_send_text)).to_bytes(2, byteorder='big'))
+            print((len(to_send_text)).to_bytes(2, byteorder='big') + to_send_text.ljust(BUFFER_SIZE, b";"))
+            self.client.send((len(to_send_text)).to_bytes(2, byteorder='big') + to_send_text.ljust(BUFFER_SIZE - 2, b";"))
             i += 1
         print(i)
         self.client.send(END_MESSAGE)
 
-
     def run(self):  # main de la connection du client
         """Run thread mainloop