re the old key registration idea in article qn ic hp access digex net pcw access digex com peter wayner writes that leads me to conjecture that the system is vulnerable to simple phone swapping attacks i seriously doubt that any practical implementation of this proposal would place the onus on the individual to register keys realistically the clipper chip will probably emit an id code which will serve as the identifier when requesting the key fragments the chip manufacturer would register this identifier code vs key combination when the chip is made and the uninitiated end user can therefore remain completely outside the loop the chip could be used in a cellular phone a modem or other device it really makes no difference when the authorities detect the use of this encryption standard during surveillance they would then capture the id and apply for the key in order to decrypt the data rob stampfli rob colnet cmhnet org the neat thing about standards ham radio kd wk n jyv oh there are so many to choose from
