公开(公告)号：US20190243980A1

公开(公告)日：2019-08-08

申请号：US15891434

申请日：2018-02-08

Applicant: Cisco Technology, Inc.

Inventor： Kaustubh INAMDAR ,  Gonzalo SALGUEIRO ,  Sebastian JEUK

IPC: G06F21/60 ,  H04L29/06 ,  H04L9/32 ,  H04L9/08 ,  H04L9/06

Abstract: In one embodiment, a client device includes an interface, a memory to store at least one part of a blockchain, and a processor to generate a client message indicating use of blockchain mode to establish a secure connection between the client device and a server, send the client message to the server on the interface, receive, from the server on the interface, a server message indicating use of the blockchain mode, and securely communicate with the server, on the interface, using at least one cryptographic key generated from information including cryptographic key generation information stored in the blockchain. Related apparatus and methods are also described.