CN108307332A - Secure short message communication system based on Android platform and its method - Google Patents
Secure short message communication system based on Android platform and its method Download PDFInfo
- Publication number
- CN108307332A CN108307332A CN201810061926.XA CN201810061926A CN108307332A CN 108307332 A CN108307332 A CN 108307332A CN 201810061926 A CN201810061926 A CN 201810061926A CN 108307332 A CN108307332 A CN 108307332A
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- Prior art keywords
- short message
- module
- content
- encryption
- special identifier
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of secure short message communication system and its method based on Android platform, are related to mobile communication technology field.This system is user（100）And mobile terminal（200）Respectively and short message processing device（300）Connection；Short message processing device（300）It is input module（310）And receiving module（320）Respectively with blocking module（330）Interaction, blocking module（330）Respectively with encrypting module（340）And deciphering module（350）Interaction, encrypting module（340）And deciphering module（350）Respectively with display module（360）Interaction.This method is：1. SMS encryption is sent；2. short message receiving and deciphering.The present invention compensates in short message communication, and short message unencryption is easy intercepted, and the shortcomings that so as to cause leakage of personal information, better support is provided to mobile security communication.
Description
Technical field
The present invention relates to mobile communication technology fields, more particularly to a kind of secure short message communication based on Android platform
System and method.
Background technology
With the development of science and technology, the information exchange of people is increasingly frequently and conveniently.But it during communication, also exposes
Many problems.Easily there is information in public communication network transmission and is held as a hostage in information, to reveal individual privacy.And it establishes a kind of
The communication network being perfectly safe is difficult to realize in the existing stage, and cost is too high.
Invention content
The purpose of the present invention, which is that, overcomes shortcoming and defect of the existing technology, provides a kind of flat based on Android
The secure short message communication system and its method of platform, to realize the secure communication of terminal room on existing mobile communications network.
Realizing the technical solution of the object of the invention is：
One, the secure short message communication system based on Android platform (abbreviation system)
This system includes user and mobile terminal；
It is provided with short message processing device；
User is connected to short message processing device respectively with mobile terminal；
Short message processing device is embedded with input module, receiving module, blocking module, encrypting module, deciphering module and displaying
Module, input module and receiving module are interacted with blocking module respectively, and blocking module is handed over encrypting module and deciphering module respectively
Mutually, encrypting module and deciphering module are interacted with display module respectively.
Two, the secure short message communication means based on Android platform (abbreviation method)
This method includes：
1. SMS encryption is sent
A, user inputs destination number, short message content and encryption type；
B, short message processing device constructs special identifier position, the construction rule of special identifier position according to encryption type input by user
It is then：First four byte is：JM#*, intermediate two bytes are the hexadecimal representation of encryption type, and the value of encryption type is less than
When 16, before supplement 0；Latter two byte is #*；
C, special identifier position is added before short message content and short message is sent by mobile terminal；
D, blocking module intercepts short message and extracts the target mobile phones in short message before mobile terminal sends short message
Number and the short message content information with special identifier position；
E, preceding 8 bytes (special identifier position) of short message content information are detected, if i, meeting JM#*XX#* formats, wherein
" XX " is hexadecimal digit, then short message content is divided into two parts, and first part is special identifier bit format, and extraction is therein
Encryption type XX, second part is short message true content, and then by destination number, encryption type, short message true content is sent to
Encrypting module；If II does not meet JM#*XX#* formats, then it represents that short message directly transmits short message without encryption；
F, encrypting module carries out corresponding encryption, then according to destination number according to encryption type to short message content
Short message PDU is recombinated with encrypted short message content, and sends short message；
G, after short message sending, the transmission state of short message is shown.
2. short message receiving and deciphering
A, receiving module receives the short message that mobile terminal receives；
B, blocking module is after receiving short message, and before showing short message, intercept process is carried out to short message；
C, the destination number and short message content information in short message are extracted；
D, preceding 8 bytes (special identifier position) of short message content are detected, if I, meeting JM#*XX#* formats, wherein " XX " is
Short message content is then divided into two parts by hexadecimal digit, and first part is special identifier bit format, extracts decryption class therein
Type XX, second part are short message true content, then by destination number, decrypt type, short message true content sends decryption mould to
Block；If II does not meet JM#*XX#* formats, short message content is directly displayed；
E, deciphering module carries out corresponding decryption processing according to decryption type to short message content, then will be short after decryption
Letter true content sends display module to；
F, the short message true content after decryption is finally shown.
The present invention has following advantages and good effect：
1. being transmitted by existing mobile communications network, private network is not depended on；
2. other equipment need not be increased, existing mobile terminal is used only and realizes；
3. information transmission security can not restore the source language message being trapped；
4. encryption and decryption is carried out in bottom, general communication is not influenced.
In short, the present invention compensates in short message communication, short message unencryption is easy to be intercepted, so as to cause leakage of personal information
The shortcomings that, better support is provided to mobile security communication.
Description of the drawings
Fig. 1 is the block diagram of this system；
Wherein：
100-users；
200-mobile terminals；
300-short message processing devices,
310-input modules,
320-receiving modules,
330-blocking modules,
331-send interception,
332-receive interception,
340-encrypting modules,
350-deciphering modules,
360-display modules.
Fig. 2 is special identifier position message structure table.
English to Chinese
PDU：(Protocol Data Unit, protocol Data Unit), a kind of short message sending pattern.
Specific implementation mode
It is described in detail below in conjunction with drawings and examples：
One, system
1, overall
Such as Fig. 1, this system includes user 100 and mobile terminal 200；
It is provided with short message processing device 300；
User 100 is connected to short message processing device 300 respectively with mobile terminal 200；
Short message processing device 300 be embedded with input module 310, receiving module 320, blocking module 330, encrypting module 340,
Deciphering module 350 and display module 360, input module 310 and receiving module 320 are interacted with blocking module 330 respectively, intercept mould
Block 330 is interacted with encrypting module 340 and deciphering module 350 respectively, encrypting module 340 and deciphering module 350 respectively with displaying mould
Block 360 interacts.
2, functional device
1) user 100
User 100 is visualization input terminal equipment.
2) mobile terminal 200
Mobile terminal 200 is Android mobile phone terminal.
3) short message processing device 300
Its hardware configuration is：Android using high pass valiant imperial 660 as processor develops version；
Its software is：
(1) input module 310
Input module 310 includes destination number input, short message content input and encryption type input；
Input module 310 provides interactive interface when user 100 sends short message, according to destination number input, short message content
Input and encryption type input, add special identifier position before short message content.
(2) receiving module 320
Receiving module 320 is the short message for receiving mobile terminal 200 and receiving.
(3) blocking module 330
Blocking module 330 includes sending to intercept 331 and receive to intercept 332.
It refers to carrying out intercept process before mobile terminal 200 sends short message to short message, extracting in short message to send and intercept 331
Destination number and short message content information.
It refers to before showing short message, being carried out to short message after mobile terminal 200 receives short message to receive and intercept 332
Intercept process extracts transmission number and short message content information in short message.
(4) encrypting module 340
Encrypting module 340 is recombinated to short message PDU, and the message content in PDU is encrypted, short in completion
After the encryption recombination for believing PDU, short message is sent by mobile terminal 200.
(5) deciphering module 350
Deciphering module 350 is that place is decrypted according to special identifier position to the short message content of the mobile terminal 200 received
Reason shows short message after completing decryption recombination by mobile terminal 200.
(6) display module 360
Display module 360 is connecing when showing the short message sending status and reception short message when mobile terminal 200 sends short message
Receive short message content.
3, working mechanism
1) SMS encryption is sent
Input module 310 obtains the information that user 100 inputs, including destination number input, short message content input and encryption
Type inputs, and adds special identifier position before short message content according to encryption type, then sends short message by mobile terminal 200；
Blocking module 330 mobile terminal 200 send short message before, to short message carry out intercept process, extract short message in destination number and
Short message content information, and extract the special identifier position in short message；Encrypting module 340 carries out short message content according to special identifier position
Corresponding encryption recombinates short message PDU after completing encryption, then sends short message by mobile terminal 200；Display module 360,
Show that the transmission state of short message includes that short message has sent and received two states with short message after the completion of short message sending.
2) short message receiving and deciphering
Receiving module 320 receives the short message that mobile terminal 200 receives；Blocking module 330 intercepts the short message of reception,
Extraction intercepts the destination number and short message content in short message, and extracts the special identifier position in short message；Deciphering module 350 is according to spy
Different flag carries out corresponding decryption processing to short message content, then sends the short message content that decryption obtains to display module
360；Short message content after the display decryption of display module 360.
Two, method
Special identifier position message structure table
Such as Fig. 2, special identifier position totally 8 bytes, wherein preceding 4 bytes are fixing head " JM#* "；Intermediate 2 bytes are
The hexadecimal representation of encryption type value supplements " 0 " if encryption type value is less than 16 at high 4；
The maximum value of encryption type is 255；Last 2 bytes are fixed tail portion " #* ".
When special identifier position is received for short message sending and short message, the judgement of cipher mode；Before sending short message, if in short message
With special identifier position, then encryption type value therein is extracted, corresponding encryption is carried out to short message content；Receive short message
When, if carrying special identifier position in short message, encryption type value therein is extracted, short message content is carried out at corresponding decryption
Reason.
Claims (2)
1. a kind of secure short message communication system based on Android platform, it is characterised in that：
This system includes user (100) and mobile terminal (200)；
It is provided with short message processing device (300)；
User (100) is connected to short message processing device (300) respectively with mobile terminal (200)；
Short message processing device (300) is embedded with input module (310), receiving module (320), blocking module (330), encrypting module
(340), deciphering module (350) and display module (360), input module (310) and receiving module (320) respectively with blocking module
(330) interaction, blocking module (330) interacts with encrypting module (340) and deciphering module (350) respectively, encrypting module (340) and
Deciphering module (350) is interacted with display module (360) respectively.
2. a kind of secure short message communication party of secure short message communication system based on Android platform as described in claim 1
Method, it is characterised in that：
1. SMS encryption is sent
A, user inputs destination number, short message content and encryption type；
B, short message processing device constructs special identifier position, the construction rule of special identifier position according to encryption type input by user
For：First four byte is：JM#*, intermediate two bytes are the hexadecimal representation of encryption type, and the value of encryption type is less than 16
When, before supplement 0；Latter two byte is #*；
C, special identifier position is added before short message content and short message is sent by mobile terminal；
D, blocking module mobile terminal send short message before, short message is intercepted and extract the target mobile phones number in short message and
Short message content information with special identifier position；
E, preceding 8 bytes (special identifier position) of short message content information are detected, if i, meeting JM#*XX#* formats, wherein " XX " is
Short message content is then divided into two parts by hexadecimal digit, and first part is special identifier bit format, extracts encryption class therein
Type XX, second part is short message true content, and then by destination number, encryption type, short message true content sends encryption mould to
Block；If II does not meet JM#*XX#* formats, then it represents that short message directly transmits short message without encryption；
F, encrypting module carries out corresponding encryption according to encryption type to short message content, then according to destination number and plus
Short message content after close recombinates short message PDU, and sends short message；
G, after short message sending, the transmission state of short message is shown；
2. short message receiving and deciphering
A, receiving module receives the short message that mobile terminal receives；
B, blocking module is after receiving short message, and before showing short message, intercept process is carried out to short message；
C, the destination number and short message content information in short message are extracted；
D, preceding 8 bytes, that is, special identifier position of short message content is detected, if I, meeting JM#*XX#* formats, wherein " XX " is 16
Short message content is then divided into two parts by binary digits, and first part is special identifier bit format, extracts decryption type therein
XX, second part are short message true content, then by destination number, decrypt type, short message true content sends deciphering module to；
If II does not meet JM#*XX#* formats, short message content is directly displayed；
E, deciphering module carries out corresponding decryption processing according to decryption type to short message content, then that the short message after decryption is true
Real content sends display module to；
F, the short message true content after decryption is finally shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061926.XA CN108307332A (en) | 2018-01-23 | 2018-01-23 | Secure short message communication system based on Android platform and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061926.XA CN108307332A (en) | 2018-01-23 | 2018-01-23 | Secure short message communication system based on Android platform and its method |
Publications (1)
| Publication Number | Publication Date |
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| CN108307332A true CN108307332A (en) | 2018-07-20 |
Family
ID=62866367
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| CN101472221B (en) * | 2007-12-26 | 2012-11-14 | 通用汽车有限责任公司 | Processing electronic messages wirelessly sent to a vehicle |
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| US9258714B2 (en) * | 2011-06-08 | 2016-02-09 | Tracfone Wireless, Inc. | Broadcast replenishment of account parameters for groups of wireless devices |
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Application publication date: 20180720 |
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| WW01 | Invention patent application withdrawn after publication |