krb5_auth_con_setuseruserkey
retval = krb5_auth_con_setuseruserkey(context, auth_context,
retval = krb5_auth_con_setuseruserkey(context, auth_context, *tgskey);
krb5_auth_con_setuseruserkey(context, ctx->auth_context,
check(krb5_auth_con_setuseruserkey(NULL, actx, &ukeyblock));
krb5_auth_con_setuseruserkey,