Netwrapper key gen
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DESKTOP-DPA61F8\Benedek 2021-04-25 16:38:46 +02:00
parent 3dbde8fbb8
commit f1220dd49e
2 changed files with 8 additions and 8 deletions

View File

@ -12,7 +12,7 @@ def generatePrivateKeyForUser(auth: Authetication,username: str, user_passphrase
private_key = RSA.generate(2048)
public_key = private_key.publickey()
private_key_value = bytes.hex(private_key.exportKey('DER', passphrase=user_passphrase, pkcs=8))
private_key_value = bytes.hex(private_key.exportKey('DER', passphrase=user_passphrase, pkcs=8, protection="scryptAndAES128-CBC"))
public_key_value = bytes.hex(public_key.exportKey('DER', pkcs=8))
##Save private key in separate file
@ -44,7 +44,7 @@ def generatePrivateKeyForServer(auth: Authetication,passphrase: str) -> str:
private_key = RSA.generate(2048)
public_key = private_key.publickey()
private_key_value = bytes.hex(private_key.exportKey('DER', passphrase=passphrase, pkcs=8))
private_key_value = bytes.hex(private_key.exportKey('DER', passphrase=passphrase, pkcs=8, protection="scryptAndAES128-CBC"))
public_key_value = bytes.hex(public_key.exportKey('DER', pkcs=8))
data['serverPrivateKey'] = private_key_value

View File

@ -31,9 +31,9 @@ class NetWrapper:
self.clientAddr = incommingJson['source']
self.currentUser = incommingJson['username']
self.currentClientPublicKey = self.clientPublicKey[self.currentUser]
retmsg = self.serverPrivateKey.decrypt(b64decode(incommingJson['message'])).decode('UTF-8')
rsakey = RSA.import_key(self.currentClientPublicKey)
cipher = PKCS1_OAEP.new(rsakey)
cipher_rsa = PKCS1_OAEP.new(self.serverPrivateKey)
retmsg = cipher_rsa.decrypt(b64decode(incommingJson['message'])).decode('UTF-8')
cipher = PKCS1_OAEP.new(self.currentClientPublicKey)
identMsg = json.dumps(
{'type': 'IDY', 'source': self.network.own_addr,
'message': b64encode(cipher.encrypt(retmsg.encode('UTF-8')))}).encode(
@ -51,8 +51,7 @@ class NetWrapper:
def keyExchange(self) -> None:
dh = pyDH.DiffieHellman()
rsakey = RSA.import_key(self.currentClientPublicKey)
cipher = PKCS1_OAEP.new(rsakey)
cipher = PKCS1_OAEP.new(self.currentClientPublicKey)
mypubkey = b64encode(cipher.encrypt(str(dh.gen_public_key()).encode('UTF-8')))
jsonmsg = json.dumps({'type': 'DH', 'source': self.network.own_addr, 'message': mypubkey}).encode('UTF-8')
self.network.send_msg(self.clientAddr, jsonmsg)
@ -62,7 +61,8 @@ class NetWrapper:
if not status:
raise Exception('Network error during connection.')
decodedmsg = json.loads(msg.decode('UTF-8'))
serverpubkey = int(self.serverPrivateKey.decrypt(b64decode(decodedmsg['message'])).decode('UTF-8'))
cipher_rsa = PKCS1_OAEP.new(self.serverPrivateKey)
serverpubkey = int(cipher_rsa.decrypt(b64decode(decodedmsg['message'])).decode('UTF-8'))
self.cipherkey = dh.gen_shared_key(serverpubkey).encode('UTF-8')
def login(self) -> bool: