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pyca / cryptography

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
https://cryptography.io
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PKCS7_sign error since version 3.1 #5433

Closed decaz closed 4 years ago

decaz commented 4 years ago 
$ python -V
Python 3.8.5

$ pip list
Package      Version
------------ -------
cffi         1.14.2
cryptography 3.1
pip          20.2.2
pycparser    2.20
setuptools   49.6.0
six          1.15.0

$ python
Python 3.8.5 (default, Jul 22 2020, 17:45:49)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from cryptography.hazmat.bindings.openssl.binding import Binding as SSLBinding
>>> SSLBinding.lib.PKCS7_sign
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: module 'lib' has no attribute 'PKCS7_sign'
>>>

$ pip install cryptography==3.0
...
Successfully installed cryptography-3.0

$ python
Python 3.8.5 (default, Jul 22 2020, 17:45:49)
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from cryptography.hazmat.bindings.openssl.binding import Binding as SSLBinding
>>> SSLBinding.lib.PKCS7_sign
<built-in method PKCS7_sign of _cffi_backend.Lib object at 0x7f501012c630>
>>>
reaperhulk commented 4 years ago

Additional certificates is a feature I had not implemented. @frennkie could you open a new issue? Adding that isn’t much work and can be done as I migrate the implementation to a more generic pkcs7 signer that also supports smime serialization.