The OSSL_PARAM attribute names |buffer| and |buffer_size| may lead to
confusion, as they may make some think that the memory pointed at is
an intermediate memory are. This is not generally the case, so we
rename |buffer| and |buffer_size| to |data| and |data_size|
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8451)
Two tests are added, one that tests the internal API, the other tests
the public API. Those two tests both test the same provider, which
acts both as a built-in provider and as a loadable provider module.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8287)
