Original document(28 pages)  中文版
    In a PON system transmitting a variable length packet, the time is synchronized in advance between a subscriber side device (13) and a station side device (15). A new encryption key generated by one of them is transmitted to the other and each of them stores the new encryption key. One of them transmits an encryption key switching time and each of them switches the encryption to the new encryption key at the encryption key switching time. Accordingly, even in a PON system transmitting a variable length packet, it is possible to synchronize the encryption key switching timing between the subscriber side device (13) and the station side device(15).
Application Number
申请号
200480042824 Application Date
申请日
2004.05.14
Title 名称 Pon system having encryption function and method therefor
Publication Number
公开号
1943162 Publication Date
公开日
2007.04.04
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H04L9/14;H04L12/44
Applicant(s) Name
申请人
Mitsubishi Electric Corp.
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 qurui
More information 更  多  信  息


 Related patents information
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.