Good morning,

Please, can they review this email?, can you help me?

Regards,

El mar., 6 ago. 2019 a las 12:55, Mario Saornil García (<marios...@gmail.com>)
escribió:

> Good morning,
>
> Sorry the inconveniences.
>
> I write because obtained the next exception and I don´t know found
> solution.
>
> The same code works perfectly with python 3.7 and cryptography 2.4.4 but I
> don´t use python > 3.5 because I need execute my code in a Windows XP.
>
> I make different test:
>
>    1. python 3.4.4 + crytpgraphy=2.4.2
>    2. python 3.4.4 + crytpgraphy=2.5
>    3. python 2.7.9, but I tried install cryptography==2.9 obtained more
>    errors.
>
> Please can you help me?
>
> Regards,
>
> 1.
> ****************************************************************
> Unknown exception: Raw
> Traceback (most recent call last):
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 2083,
> in run self._handler_table[ptype](self, m)
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 2199,
> in _negotiate_keys self.kex_engine.start_kex()
>   File "C:\Python34\lib\site-packages\paramiko\kex_curve25519.py", line
> 54, in start_kex serialization.Encoding.Raw, serialization.PublicFormat.Raw
>   File "C:\Python34\lib\enum.py", line 255, in __getattr__
>     raise AttributeError(name) from None
> AttributeError: Raw
>
> Exception: Raw
> ****************************************************************
>
> 2.
> ****************************************************************
> Traceback (most recent call last):
>   File "ssh_client_pk2.py", line 3, in <module>
>     import paramiko
>   File "C:\Python34\lib\site-packages\paramiko\__init__.py", line 22, in
> <module> from paramiko.transport import SecurityOptions, Transport
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 129, in
> <module> class Transport(threading.Thread, ClosingContextManager):
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 190, in
> Transport
>     if KexCurve25519.is_available():
>   File "C:\Python34\lib\site-packages\paramiko\kex_curve25519.py", line
> 30, in i
> s_available
>     X25519PrivateKey.generate()
>   File
> "C:\Python34\lib\site-packages\cryptography\hazmat\primitives\asymmetric\x25519.py",
> line 38, in generate
> ****************************************************************
>
> 3.
> ****************************************************************
> Traceback (most recent call last):
>   File "xx.py", line 3, in <module>
>     import paramiko
>   File "C:\Python34\lib\site-packages\paramiko\__init__.py", line 22, in
> <module> from paramiko.transport import SecurityOptions, Transport
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 129, in
> <module> class Transport(threading.Thread, ClosingContextManager):
>   File "C:\Python34\lib\site-packages\paramiko\transport.py", line 190, in
> Transport if KexCurve25519.is_available():
>   File "C:\Python34\lib\site-packages\paramiko\kex_curve25519.py", line
> 30, in is_available X25519PrivateKey.generate()
>   File
> "C:\Python34\lib\site-packages\cryptography\hazmat\primitives\asymmetric\x25519.py",
> line 38, in generate from cryptography.hazmat.backends.openssl.backend
> import backend
>   File
> "C:\Python34\lib\site-packages\cryptography\hazmat\backends\openssl\__init__.py",
> line 7, in <module> from cryptography.hazmat.backends.openssl.backend
> import backend
>   File
> "C:\Python34\lib\site-packages\cryptography\hazmat\backends\openssl\backend.py",
> line 71, in <module> from cryptography.hazmat.bindings.openssl import
> binding
>   File
> "C:\Python34\lib\site-packages\cryptography\hazmat\bindings\openssl\binding.py",
> line 15, in <module> from cryptography.hazmat.bindings._openssl import ffi,
> lib
> ImportError: DLL load failed: No se puede encontrar el módulo especificado.
> ****************************************************************
>
> Best Regards,
>
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