[sssd PR#570][comment] p11_child: add OpenSSL support

[jhrozek]

URL: https://github.com/SSSD/sssd/pull/570
Title: #570: p11_child: add OpenSSL support

jhrozek commented:
"""
Coverity and CI are clean. The last remaining things to discuss before pushing is the default of the CA cert option and maybe skipping the tests. But the code looks good to me and seems to work well.
"""

See the full comment at https://github.com/SSSD/sssd/pull/570#issuecomment-393077532