transform_err,auxkey_err,newkey_err);
initiate_key_setup(st,"incoming message would not decrypt",0);
send_nak(src,m.dest,m.source,m.type,msg0,"message would not decrypt");
transform_err,auxkey_err,newkey_err);
initiate_key_setup(st,"incoming message would not decrypt",0);
send_nak(src,m.dest,m.source,m.type,msg0,"message would not decrypt");