krb5_c_is_keyed_cksum
return krb5_c_is_keyed_cksum (ctype);
|| !krb5_c_is_keyed_cksum(sumtype))
!krb5_c_is_keyed_cksum(message->checksum->checksum_type)) {
krb5_boolean KRB5_CALLCONV krb5_c_is_keyed_cksum