restore apis needed for a _ssl module when using cryptograhpy v2.7 #4969
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PyPy uses cryptography to implement a pure-python _ssl stdlib module. After upgrading to v2.7 of cryptography, it turns out some API wrappers were removed that PyPy needed.
@alex suggested we collaborate to ensure future compatibility. I am not sure you want all the cruft of the python _ssl implementation in this repo. Perhaps it makes more sense to provide a new pyca/_ssl repo that would include the tests from the cpython stdlib test suite?