SSLError: [SSL: EE_KEY_TOO_SMALL] ee key too small (_ssl.c:4022) on Ubuntu 启动 jupyter notebook 时

Question

当我尝试通过 EC2 服务器在 Ubuntu 中启动 Jupyter Notebook 时遇到此问题。

SSLError: [SSL: EE_KEY_TOO_SMALL] ee key 太小 (_ssl.c:4022)

原来我有

权限错误[Errno 13]

然后我按照这个page 并通过将/home 文件夹和~/.local/share/jupyter/ 文件夹的所有权更改为当前用户来修复它。

现在我遇到了 SSL 问题。我按照建议检查了这个link，但没有运气。

然后我将cd 放到我的证书文件夹中，"mycert.pem" 就在那里。而且我确定我用"https://" amazon url替换了本地主机IP地址。

我的错误代码似乎也与post 不相似，尽管我们的密钥都太小了。但是我的是"ee key "和"_ssl.c:4022"，和他们不一样。

整个错误信息是这样的：

ubuntu@ip-172-31-15-155:~$ jupyter notebook
[I 16:53:35.24 NotebookApp] Serving notebooks from local directory: /home/ubuntu
[I 16:53:35.24 NotebookApp] Jupyter Notebook 6.4.0 is running at:
[I 16:53:35.24 NotebookApp] https://ip-172-31-15-155:8888/?token=5d6f7e3d198847e0b9008cff94deb68355701d6c6c983322
[I 16:53:35.24 NotebookApp]  or https://127.0.0.1:8888/?token=5d6f7e3d198847e0b9008cff94deb68355701d6c6c983322
[I 16:53:35.25 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 16:53:35.28 NotebookApp] 
    
    To access the notebook, open this file in a browser:
        file:///home/ubuntu/.local/share/jupyter/runtime/nbserver-22585-open.html
    Or copy and paste one of these URLs:
        https://ip-172-31-15-155:8888/?token=5d6f7e3d198847e0b9008cff94deb68355701d6c6c983322
     or https://127.0.0.1:8888/?token=5d6f7e3d198847e0b9008cff94deb68355701d6c6c983322
ERROR:asyncio:Exception in callback BaseAsyncIOLoop._handle_events(4, 1)
handle: <Handle BaseAsyncIOLoop._handle_events(4, 1)>
Traceback (most recent call last):
  File "/usr/lib/python3.8/asyncio/events.py", line 81, in _run
    self._context.run(self._callback, *self._args)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/platform/asyncio.py", line 189, in _handle_events
    handler_func(fileobj, events)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 276, in accept_handler
    callback(connection, address)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/tcpserver.py", line 288, in _handle_connection
    connection = ssl_wrap_socket(
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 608, in ssl_wrap_socket
    context = ssl_options_to_context(ssl_options)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 576, in ssl_options_to_context
    context.load_cert_chain(
ssl.SSLError: [SSL: EE_KEY_TOO_SMALL] ee key too small (_ssl.c:4022)
ERROR:asyncio:Exception in callback BaseAsyncIOLoop._handle_events(4, 1)
handle: <Handle BaseAsyncIOLoop._handle_events(4, 1)>
Traceback (most recent call last):
  File "/usr/lib/python3.8/asyncio/events.py", line 81, in _run
    self._context.run(self._callback, *self._args)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/platform/asyncio.py", line 189, in _handle_events
    handler_func(fileobj, events)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 276, in accept_handler
    callback(connection, address)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/tcpserver.py", line 288, in _handle_connection
    connection = ssl_wrap_socket(
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 608, in ssl_wrap_socket
    context = ssl_options_to_context(ssl_options)
  File "/home/ubuntu/.local/lib/python3.8/site-packages/tornado/netutil.py", line 576, in ssl_options_to_context
    context.load_cert_chain(
ssl.SSLError: [SSL: EE_KEY_TOO_SMALL] ee key too small (_ssl.c:4022)

Answer 1

cd 到您的证书文件夹，然后输入以下命令：

sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout mycert.pem -out mycert.pem

你是对的，将你的 rsa 增加到 2048，这将解决你的问题。至少这解决了我的问题。