Method to protect communication security and privacy function of mobile client

A communication confidentiality and mobile client technology, which is applied in the field of protection of mobile client communication confidentiality and privacy functions, can solve the problems of not realizing key negotiation, not being able to guarantee communication confidentiality, and unable to guarantee the security of interactive information, etc.

Inactive Publication Date: 2012-10-31
ZHENGZHOU XINDA JIEAN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although DAA can protect the privacy of mobile terminals, it only completes the anonymous proof of identity and does not realize the key agreement between the two parties, so it still cannot guarantee the security of the exchanged information after authentication.
These existing methods can only achieve a single goal, and cannot guarantee the confidentiality of communication and at the same time protect the anonymity of mobile terminals

Method used

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  • Method to protect communication security and privacy function of mobile client

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Embodiment Construction

[0046] A method for protecting the communication confidentiality and privacy function of a mobile client that can protect the confidentiality of communication between a client with an NFC communication function and a server, and at the same time protect the identity privacy of the client, is characterized in that: direct anonymous authentication The protocol (DAA) is combined with the Transport Layer Security Protocol (TLS), using the DAA protocol to protect the identity privacy of the client with the NFC function, while using the TLS protocol to protect the confidentiality of the communication between the client and the server; the client with the NFC communication function The terminal reads the server URL information in the label, connects to the server URL, and uses the modified TLS protocol between the client and the server to protect the client's identity privacy and communication confidentiality; the DAA protocol uses Elliptic Curve Cryptography (ECC) implementation, the...

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Abstract

The invention relates to a method to protect a communication security and privacy function of a mobile client. The method comprises the following steps: combining a direct anonymous authentication (DAA) protocol and a transport layer security (TLS) protocol, and utilizing the identity privacy of a DAA protocol protection client with an NFC (Near Field Communication) function, as well as the privacy between the TLS protocol protection client and a server; reading the service website information and a website connecting with the server by the client with the NFC function, realizing the protection for the client identity privacy and the communication privacy through operating a modified TLS protocol between the client and the server; adopting an ellipse curve cryptography to realize the DAA protocol, wherein the client with a DAA certificate can complete the signature; and combining the DAA protocol and the TLS protocol so as to uniformly realize the anonymity and privacy of the communication between the mobile client and the server.

Description

technical field [0001] The invention relates to a function of protecting the confidentiality of communication between a mobile client with an NFC communication function and a server, and at the same time protecting the privacy of the identity of the client without revealing the identity information of the mobile client. Methods. Background technique [0002] With the rapid development of mobile computing, more and more important businesses such as online shopping and online banking transactions are completed through mobile terminals (mobile phones, tablet computers). The emergence of NFC (Near Field Communication) provides technical support for convenient and fast completion of mobile services. More and more mobile devices are equipped with NFC communication modules, and these devices can read the matching NFC tags of merchants, so that it is very convenient to start mobile services based on the obtained data. This business model places high demands on confidentiality and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32H04L9/08
Inventor 何骏常朝稳贾洪勇董建强梁松涛刘熙胖刘长河
Owner ZHENGZHOU XINDA JIEAN INFORMATION TECH
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