* Fix empty check for openssl_pkcs12 tests.
* Prevent crash if PyOpenSSL cannot be imported because of an AttributeError.
* Add changelog fragment.
* Fix constraints file.
* Use Python 2.7 instead of 3.5 for 2.9 cloud tests (pip module is broken).
* Prevent upgrading cryptography on ansible-core 2.12's default container with Python 3.9.
* Regenerate certificate on CA's subject change. (#402)
(cherry picked from commit 3ebc132c03)
* Add fix for PyOpenSSL backend.
* x509_certificate: check existing certificate's signature for selfsigned and ownca provider (#407)
* Verify whether signature matches.
* Add changelog fragment.
* Forgot imports.
* Fix wrong name.
* Check whether the CA private key fits to the CA certificate. Use correct key in tests.
* Refactor code.
(cherry picked from commit 28729657ac)
* There doesn't seem a way to do this with pyOpenSSL.
