+CMS_RecipientInfo_kari_set0_pkey_and_peer() associates the private key B<pkey>
+and peer certificate B<peer> with the CMS_RecipientInfo structure B<ri>, which
+must be of type CMS_RECIPINFO_AGREE.
+
+CMS_RecipientInfo_kari_set0_pkey() associates the private key B<pkey> with the
+CMS_RecipientInfo structure B<ri>, which must be of type CMS_RECIPINFO_AGREE.
+