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专利名称：Cryptographic communication method in
communication system
发明人：Ken'ichiro Kamachi申请号：US10833307申请日：20040428
公开号：US20040247124A1公开日：20041209
专利附图：
摘要：An RNC server issues an encryption start instruction to a media gateway (MG)and a terminal. The MG and terminal, which have received the encryption start instruction,encrypt U-Plane information using a predetermined secret key, and adds a
predetermined encryption start bit to the encrypted U-Plane information for
transmission to a communication partner. The communication partner, upon detection ofthe encryption start information, decrypts the received U-Plane information using thepredetermined secret key.
申请人：KAMACHI KEN'ICHIRO
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