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03-12-2015 дата публикации

METHOD AND APPARATUS FOR ACHIEVING SECRET COMMUNICATIONS

Номер: WO2015180654A1
Автор: YAO, Jinhua, LIANG, Bingjie, WU, Xing, QIN, Zhuo
Принадлежит:

Provided are a method and apparatus for achieving secret communications, which are used for achieving a secure session between a calling UE and a called UE in an IP multimedia subsystem (IMS) architecture, so as to prevent a session message from being eavesdropped in a session process. The method of the present invention comprises: receiving, by a network-side device, first authentication information sent by a UE, and according to the first authentication information, conducting authentication on a secret module of the UE; generating a transmission key corresponding to the UE and second authentication information, encrypting the transmission key using an initial key corresponding to the UE, and sending the second authentication information and the encrypted transmission key to the UE; and generating a session key for encrypting a session message transmitted between a calling UE and a called UE, encrypting the session key using the transmission key corresponding to a calling UE and sending ...

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Номер записи: 1
03-12-2015 дата публикации

SECRET COMMUNICATION CONTROL METHOD, SECRET COMMUNICATION METHOD, AND APPARATUS

Номер: WO2015180604A1
Автор: LIANG, Bingjie, YAO, Jinhua
Принадлежит:

The present invention provides a secret communication control method, a secret communication method and an apparatus, which are used for solving the security problem existing in key application in a commercial secret communication system. The method of the present invention comprises: in initialization of a UE, determining an initial key set corresponding to the UE according to an identifier of a secret module of the UE; after authentication of the secret module of the UE is passed, selecting an initial key from the initial key set according to a user password of the UE, generating a corresponding transmission key of the UE in a registration period, encrypting, by means of the initial key, the transmission key corresponding to the UE, and sending the encrypted transmission key to the UE; and when a session establishment request sent by the UE serving as a calling UE is received, encrypting a session key by means of the transmission key corresponding to the calling UE, sending the encrypted ...

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Номер записи: 2