Merge pull request #651 from miguel090/fix_chrome_decryption_mode

Fix issue with large passwords
AlessandroZ · Oct 18, 2024 · 9da4b87 · 9da4b87
2 parents 3ed06c7 + 6ed0181
commit 9da4b87
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/Linux/lazagne/softwares/browsers/chromium_based.py b/Linux/lazagne/softwares/browsers/chromium_based.py
@@ -56,11 +56,11 @@ def remove_padding(self, data):
             self.debug(traceback.format_exc())
             return data
 
-    def _decrypt_v80(self, buff, master_key):
+    def _decrypt_v80(self, buff, master_key, AES_mode):
         try:
             iv = buff[3:15]
             payload = buff[15:]
-            cipher = AES.new(master_key, AES.MODE_GCM, iv)
+            cipher = AES.new(master_key, AES_mode, iv)
             decrypted_pass = cipher.decrypt(payload)
             decrypted_pass = decrypted_pass[:-16]  # .decode()  # remove suffix bytes
             return decrypted_pass
@@ -107,7 +107,11 @@ def get_passwords(self, path):
                                   password = self.chrome_decrypt(password, key=enc_key, init_vector=self.enc_config['iv'])
                                   password = password if python_version == 2 else password.decode()
                               except UnicodeDecodeError:
-                                  password = self._decrypt_v80(password, enc_key)
+                                  password = self._decrypt_v80(password, enc_key, AES.MODE_GCM)
+                                  try:
+                                      password=password.decode()
+                                  except UnicodeDecodeError :
+                                      password = self._decrypt_v80(password, enc_key, AES.MODE_CBC)
                               if password:
                                   break
                               else: