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Equipment authentication method of Ethernet passive optical network (EPON) and system thereof

A passive optical network and equipment authentication technology, which is applied to the selection device and key distribution of the multiplexing system, can solve the problems of OLTEPON system security reduction and achieve the effect of security improvement

Active Publication Date: 2013-03-06
STATE GRID CORP OF CHINA +2
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  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a device authentication method for an Ethernet passive optical network EPON to solve the problem that the security of the EPON system is reduced due to the fact that the identity of the OLT is not authenticated in the prior art

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  • Equipment authentication method of Ethernet passive optical network (EPON) and system thereof
  • Equipment authentication method of Ethernet passive optical network (EPON) and system thereof
  • Equipment authentication method of Ethernet passive optical network (EPON) and system thereof

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Embodiment Construction

[0056] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0057] The invention is applicable to numerous general purpose or special purpose computing device environments or configurations. For example: personal computer, server computer, handheld or portable device, tablet type device, multiprocessor device, distributed computing environment including any of the above devices or devices, etc.

[0058] The invention may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The invention may also be practiced in distributed computing environments...

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Abstract

The invention provides an equipment authentication method of Ethernet passive optical network (EPON) and a system thereof. The embodiment of the equipment authentication method of the EPON comprises:an ONU sends registration request frame to an OLT to realize registration; according to the MAC address of the ONU, the OLT acquires a public key of the ONU to obtain shared key based on the public key of the ONU and pre-stored OLT private key; according to the pre-stored shared key, the ONU encrypts a first random number and then sends the encrypted first random number to the OLT; the OLT decrypts the encrypted first random digit and obtains the first random number; the OLT encrypts a second random digit according to the shared key and sends the first random number and the encrypted second random number to the ONU; the ONU decrypts the encrypted second random number and obtains the second random number; and the ONU sends the second random number to the OLT and realizes the mutual identityauthentication of the ONU and the OLT. The invention improves the safety of the EPON system.

Description

technical field [0001] The invention relates to the field of communication, in particular to a device authentication method and system for an Ethernet passive optical network (EPON). Background technique [0002] With the development and popularization of the network, users' requirements for communication bandwidth continue to increase, and the access network technology is facing a series of changes in business models and technologies to adapt to the changing needs of users. Judging from the current development trend of the access network, optical fiber will inevitably replace cables, so as to realize pure optical fiber access. Passive optical network (PON, passive optical network), that is, a network that uses passive equipment to split transmission lines on optical fiber lines, and has the characteristics of saving optical fiber resources and being transparent to network protocols. It has a good performance in optical access networks. application prospects. Ethernet base...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04L9/08
Inventor 孙中伟王一蓉马亚宁赵丙镇雷学义霍司天孙凤杰
Owner STATE GRID CORP OF CHINA
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