re once they get your keys in article dockmaster ncsc mil grant dockmaster ncsc mil lynn r grant writes about people so far have asked once the fbi gets your clipper keys won t they be able to read all your future and past traffic there has been no response from nist nsa ms denning mr hellman or anyone else who might be able to give us an authoritative answer this is troubling it was implied in the first technical posting by dorothy denning that the fbi would do the decryption for the law enforcement agencies it wasn t clear to me from the post whether this would be done in realtime or not or whether the fbi would just decrypt the session keys for the locals or would do the whole message one thing i m a bit puzzled by why aren t they doing this with a public key scheme of some sort you could generate two uniqe public private pairsor for each chip then escrow the private keys with the escrow agencies set the protocol up to encrypt the session key with both public keys to decrypt a message both escrow agencies in the right order for most pk schemes have to decrypt with the escrowed private key this way there wouldn t be thecconcern that once the police had asked fo a warrant wiretap they would have your key forver john kelsey
