The functions the provider can offer are described in
L<provider-keyexch(7)>
+=item Serialization
+
+In the OpenSSL libraries, the corresponding method object is
+B<OSSL_SERIALIZER>.
+The number for this operation is B<OSSL_OP_SERIALIZER>.
+The functions the provider can offer are described in
+L<provider-serializer(7)>
+
=back
=head2 Fetching algorithms