* 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.
* Improve openssh_* tests.
* Use 2048 instead of 4096 bit keys in many places.
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* Parameterize default RSA key length for tests.
* Reduce default RSA key size to 1024.
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* Fix error.
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* Use variable more often.
* Use 2048 bits for RSA keys for certificates on RHEL8 and CentOS8.
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* Fix missing constant.
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* Print default key sizes.