=over 4
-=item OSSL_PARAM_DIGEST_KEY_XOFLEN <size_t>
+=item OSSL_PARAM_DIGEST_KEY_XOFLEN <unsigned integer>
Sets the digest length for extendable output functions.
-It is used by the SHAKE algorithm.
+It is used by the SHAKE algorithm and should not exceed what can be given
+using a B<size_t>.
-=item OSSL_PARAM_DIGEST_KEY_PAD_TYPE <int>
+=item OSSL_PARAM_DIGEST_KEY_PAD_TYPE <integer>
Sets the pad type.
It is used by the MDC2 algorithm.
=over 4
-=item OSSL_PARAM_DIGEST_KEY_MICALG <utf8string>.
+=item OSSL_PARAM_DIGEST_KEY_MICALG <UTF8 string>.
Gets the digest Message Integrity Check algorithm string. This is used when
creating S/MIME multipart/signed messages, as specified in RFC 3851.