Key agreement, i.e. key establishment technique in which a shared key is

Official title: {Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these (network architectures or network communication protocols for key exchange in a packet data network H04L63/061)}

H04L9/0838 (Key agreement, i.e. key establishment technique in which a shared key is) appears on 3,936 US grants and 4,402 published applications in this corpus.