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Short message safety communication method, system and device based on STK (SIM Tool Kit) business

A technology of secure communication and SMS, applied in security devices, wireless communication, messages/mailboxes/notifications, etc., can solve the problems of low security and reliability, and achieve the effect of improving reliability and security

Inactive Publication Date: 2010-09-22
BEIJING INTELLIGENT FRUIT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a short message security communication method and system based on STK services, a mobile terminal and a short message gateway platform, so as to solve the problem of relatively low security and reliability when sending short messages between mobile phones in the prior art defect

Method used

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  • Short message safety communication method, system and device based on STK (SIM Tool Kit) business
  • Short message safety communication method, system and device based on STK (SIM Tool Kit) business
  • Short message safety communication method, system and device based on STK (SIM Tool Kit) business

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Experimental program
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Embodiment 1

[0032] figure 1 The flow chart of the short message secure communication method based on the STK service provided by Embodiment 1 of the present invention, such as figure 1 As shown, the method specifically includes:

[0033] Step 11, receiving the plain text message sent by the first mobile terminal;

[0034] Step 12. According to the preset encryption key, the plain text message is encrypted to obtain the encrypted message;

[0035] Step 13, return the encrypted short message to the first mobile terminal, so that the first mobile terminal can send the encrypted short message to the second mobile terminal corresponding to the second mobile terminal number, and the STK card of the second mobile terminal is sent according to the second mobile terminal The encrypted short message and the preset decryption key are used to decrypt the encrypted short message to obtain a plain text short message, and return the plain text short message to the second mobile terminal.

[0036] In ...

Embodiment 2

[0042] figure 2 The flow chart of the short message secure communication method based on the STK service provided by Embodiment 2 of the present invention, such as figure 2 As shown, on the basis of the above-mentioned embodiment one, in order to further improve the security and reliability of the short message, take the built-in SIM extension card in the mobile terminal to encrypt the short message as an example, introduce the technical solution of the present invention in detail, and step 11 specifically for:

[0043] Step 11, receiving a plain text message carrying a purpose number sent by the first mobile terminal;

[0044] Then step 12 specifically includes:

[0045] Step 121, according to the second mobile terminal number, obtain the encryption key corresponding to the second mobile terminal number from the preset mapping relationship table between the second mobile terminal number and the encryption key;

[0046] Step 122: Encrypt the plain text message according t...

Embodiment 3

[0051] image 3 The flow chart of the short message security communication method based on the STK service provided by Embodiment 3 of the present invention. In this embodiment, taking the transmission of encrypted short messages through the short message gateway platform as an example, the technical solution of the present invention is introduced in detail, as image 3 As shown, the method includes:

[0052] Step 31, receiving the first encrypted short message carrying the first mobile terminal number sent by the first mobile terminal, the first decrypted short message includes the content of the short message and the second mobile terminal number;

[0053] Step 32, according to the first mobile terminal number, obtain the corresponding decryption key, decrypt the first encrypted message, and obtain the content of the message and the second mobile terminal number;

[0054] Step 33: According to the second mobile terminal number, obtain the corresponding encryption key, encry...

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PUM

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Abstract

The invention provides short message safety communication method, system and device based on STK (SIM Tool Kit) business. The method comprises the steps of: receiving a plaintext short message sent by a first mobile terminal; encrypting the plaintext short message according to a preset encryption key to obtain the encrypted short message; returning the encrypted short message to the first mobile terminal so that the first mobile terminal can send the encrypted short message to a second mobile terminal with a corresponding number; and decrypting the encrypted short message by an STK card of the second mobile terminal according to the encrypted short message sent by the second mobile terminal and a preset decryption key to obtain the plaintext short message, and returning the plaintext short message to the second mobile terminal, therefore, the reliability and the safety of the short message are efficiently improved.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of mobile communication, in particular to a short message security communication method and system based on an STK service, a mobile terminal and a short message gateway platform. Background technique [0002] At present, since the SIM Tool Kit (hereinafter referred to as: STK) technology is mainly used in mobile banking, stock trading, foreign exchange trading, financial secretary and other fields, and this business model is now becoming mature, therefore, various companies STK application programs are placed in the Subscriber Identity Module (Subscriber Identity Module, hereinafter referred to as: SIM) card and the SIM expansion card, so as to facilitate the use of mobile phone users. The STK application program contains a set of special Application Protocol Data Unit (APDU) instructions, which are used for the interaction between the mobile phone and the SIM card and between the ...

Claims

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Application Information

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IPC IPC(8): H04W4/14H04W12/02H04W88/02H04W88/16
Inventor 魏中华孙江涛
Owner BEIJING INTELLIGENT FRUIT TECH CO LTD
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