Key consulting method and its system for customer end and server

A key negotiation and server technology, applied in the field of client and server key negotiation methods and systems thereof, can solve the problems of easy interception of login passwords, insecurity, and easy interception of communication passwords.
CN1859087AInactive Publication Date: 2006-11-08HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2006-11-08
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

This invention discloses a cryptpgraphic key negotiation method and a system for the customer end and a server, in which, the method includes: a, sending an IMSI of a user card to a server, b, the server sends IMSI to the HLR / AUC, c, the HLR / AUC generates a random number RAND to generate a temporary key tempK based on its own stored KI and the RAND and sends the generated RAND and the tempK to the server, d, the server sends the RAND to the user card after getting the RAND and tempK, e, th user card generates a tempK based on its own stored KI and the received RAND, f, the customer end gets the tempK from the user card and gets its own key to be negotiated.
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Description

technical field

[0001] The invention relates to communication security technology, in particular to a key agreement method and system between a client and a server. Background technique

[0002] China Mobile has launched the accompanying e-travel service, which refers to: China Mobile provides wireless Internet access cards or mobile phones, which can be connected to China Mobile's current or future mobile phones through GPRS, or 3G technology, or WLAN, or WiMAX technology. Wireless network, the user directly inserts the card into the PC (portable or desktop), or connects the mobile phone with Internet access function to the PC through the serial port, Bluetooth or infrared function, and then the PC can access the Internet through the wireless network card or mobile phone , in order to realize the needs of users to access the Internet conveniently through a wireless network by using a PC. The accompanying e-travel service is realized through the broadband accompanying e-tra...

Claims

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