krb5_spake_support
krb5_spake_support support;
DEFCNFIELD(spake_support_0, krb5_spake_support, groups, ngroups, 0,
DEFSEQTYPE(spake_support, krb5_spake_support, spake_support_fields);
krb5_spake_support *support, const krb5_data *der_msg,