Patent ID: 9055058
Filing Date: 2015-06-09
Classification: G06F,H04L

Abstract:
1. A method for registering a serial device, comprising steps of a first serial device establishing connection to a second serial device; the first serial device reporting device attribute information of the first serial device to the second serial device, and thus initiating a process of registering the first serial device in the second serial device; in the process of registering, the first serial device sending a first signature certificate after the first serial device receives a request of asking for signature certificate from the second serial device; the first serial device receiving a first challenge code returned from the second serial device and computing the first challenge code to obtain a first signature value; the first serial device sending the first signature value to the second serial device, and thus the second serial device authenticating the first signature value according to the first signature certificate and returning an authentication result to the first serial device; and the first serial device accomplishing registering in the second serial device after the first serial device passing authentication successfully; the said method further comprises the first serial device authenticating the second serial device, wherein the first serial device obtaining a second signature certificate from the second serial device; the first serial device sending a second challenge code to the second serial device, and thus the second serial device generating a second signature value according to the second challenge code and returning the second signature value to the first serial device; and the first serial device using the second signature certificate to authenticate the second signature value; and after passing authentication successfully, the first serial device sending information of successful authentication to the second serial device.