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A Realization Method of Dynamically Encrypted SMS Between Mobile App and Host

A mobile phone application and dynamic encryption technology, which is applied in the direction of synchronous sending/receiving encryption equipment, secure communication devices, digital transmission systems, etc.

Active Publication Date: 2017-02-08
深圳古诸华智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the alarm hosts on the market are controlled by mobile phone applications (Apps) in the form of SMS to configure or control the parameters of the alarm host. Since the SMS is sent in plain text, it is easy for others to grasp the password or other confidentiality of the host. data
If the form of text message encryption is not adopted, the communication protocol between the text message control hosts is easy for others to obtain

Method used

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  • A Realization Method of Dynamically Encrypted SMS Between Mobile App and Host
  • A Realization Method of Dynamically Encrypted SMS Between Mobile App and Host
  • A Realization Method of Dynamically Encrypted SMS Between Mobile App and Host

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Experimental program
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Embodiment 1

[0037] Table 1: Transmission Format

[0038]

[0039]

[0040] The specific implementation steps are as follows:

[0041] 1. A dynamic encrypted message is composed of a non-encrypted message header (PackHead) and an encrypted part (Content). The complete dynamic encrypted message format is shown in Table 1;

[0042] 2. Set the password to be encrypted, assuming the password is "dinsafe";

[0043] 3. Timestamp BCD code: the upper 4 bits of the byte are used to store the ten digits of the hour, minute, second, day, and month, and the lower 4 bits of the byte are used to store the individual of the hour, minute, second, day, and month The number of digits, for example, the time "16:30:56 December 31" is written as a 10-digit timestamp in the format "1630563112", and the timestamp array of BCD code is "16 30 56 31 12";

[0044] 4. XOR the BCD code timestamp with the Content in Table 1 to realize the first encryption of the content;

[0045] 5. XOR the password "dinsafe" ...

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Abstract

The invention discloses a method for achieving dynamic short message encryption between a cell-phone application procedure and a host. The cell-phone App sends a control short message to the host, and the content of the short message can be changed along with a timestamp, so that encryption is achieved; when the control short message is sent to the host by the cell-phone App, the content of the short message is changed along with change of time; due to the fact that the content of the short message is encrypted along with change of the time, the user cannot directly read the content of the short message, and the same short message cannot be used continuously after five minutes, so that the short message is prevented from being intercepted by other people for illegal use. The method is further suitable for data interaction in a non-short-message mode.

Description

technical field [0001] The invention relates to the fields of single-chip microcomputers and embedded devices, and is applicable to a method for realizing dynamically encrypted short messages between a mobile phone application program (App) and a host computer in the security field. Background technique [0002] At present, most of the alarm hosts on the market are controlled by mobile phone applications (Apps) in the form of SMS to configure or control the parameters of the alarm host. Since the SMS is sent in plain text, it is easy for others to grasp the password or other confidentiality of the host. data. If the form of SMS encryption is not adopted, the communication protocol between the SMS control hosts is easy for others to obtain. Mobile phone applications (Apps) that companies spend a lot of money on will be freely shared by others. The main chips of general security products mostly use single-chip microcomputers or embedded ICs, especially the hosts that use sin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00H04L9/12H04W4/14
Inventor 曾连军
Owner 深圳古诸华智能技术有限公司