Diffie –Hellman technique: extended to multiple two-party keys and one multi-party key Abstract: The two-party Diffie– Hellman (DH) key-exchanging technique is extended to generate (i) multiple two-party keys and (ii) one multi-party key. The participants in the former case exchange two public keys and generate 15 shared keys. Of these, 4 keys are called base keys, because they are used to gene...