Title:
A METHOD FOR SWITCHING THE LEVEL OF THE PLAINTEXT AND CYPHERTEXT DURING THE CONVERSATION
Document Type and Number:
WIPO Patent Application WO/2006/081712
Kind Code:
A1
Abstract:
A method for switching the level of the plaintext and cyphertext during the conversation includes: registering the security parameter the terminal user preset in the core control device of the communication network, establishing a conversation which has some level of the plaintext and cyphertext between the terminal users that need to make a conversation; if anyone of the terminal users needs to change the level of the plaintext and cyphertext in this conversation, the core control device switches the level of the plaintext and cyphertext according to the security parameter of the new level of the plaintext and cyphertext The invention allows users to set the level of the plaintext and cyphertext in conversation and adjust the level of the plaintext and cyphertext in conversation according to the requirement.
Inventors:
Dengjun SU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park,
Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Xianli HU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Jiwen LU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Xianli HU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Jiwen LU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Application Number:
PCT/CN2005/000183
Publication Date:
August 10, 2006
Filing Date:
February 07, 2005
Export Citation:
Assignee:
ZTE CORPORATION (ZTE Plaza, Keji Road South Hi-Tech Industrial Park,
Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Dengjun SU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Xianli HU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Jiwen LU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Dengjun SU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Xianli HU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
Jiwen LU. (ZTE Plaza, Keji Road South Hi-Tech Industrial Park, Nanshan Distric, Shenzhen City 7 Guangdong Province, 51805, CN)
International Classes:
H04L29/02; H04L29/02
Attorney, Agent or Firm:
Beijing, Zhongzi Law Office (17th Floor, Tower C International Investment Building 6-9 Fuchengme, Beidajie 4 Beijing, 10003, CN)