CN106162502A - Safe bluetooth communication equipment - Google Patents
Safe bluetooth communication equipment Download PDFInfo
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- CN106162502A CN106162502A CN201510124137.2A CN201510124137A CN106162502A CN 106162502 A CN106162502 A CN 106162502A CN 201510124137 A CN201510124137 A CN 201510124137A CN 106162502 A CN106162502 A CN 106162502A
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- frequency
- communication equipment
- bluetooth communication
- safe
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Abstract
The invention discloses a kind of safe bluetooth communication equipment; it is characterized in that; the audio scrambling passage using two-way independence constitutes full duplex encrypted safe communication system; audio scrambling passage uses the frequency transformation of multifrequency point to realize audio frequency and upsets; and in communication process; frequency and frequency translation method is constantly converted, it is achieved dynamically scramble protection according to synchronizing signal.
Description
Technical field
The present invention relates to a kind of set up safe bluetooth communication based on mark by Bluetooth pairing and synchrodata
Equipment, realizes speech scrambling effect by dynamically scrambling.
Background technology
Current call is difficult to encryption, and existing product can not ensure the safety of mobile phone communication itself, and mobile phone is originally
Body leak and bottom data are stolen software and be can still provide for eavesdropping.The safe core of safe bluetooth communication integration of equipments
Sheet, directly encryption user speech for mobile communication network optimization and carry out redundancy process, ensure encryption
Voice transmit under distortion environment and remain able to effectively identify.
Summary of the invention
The invention provides a kind of safe bluetooth communication equipment, it is characterised in that use independent audio frequency to add
Disturbing passage and audio frequency descrambling passage constitutes full duplex encrypted safe communication system, audio scrambling passage uses many
The frequency transformation of frequency realizes audio frequency and upsets, and in communication process, constantly converts frequency according to synchronizing signal
Point and frequency translation method, it is achieved dynamically scramble protection；The mike of described safe bluetooth communication equipment is defeated
The sound entered, after the coding/decoding module of bluetooth primary processor encodes, sends audio scrambling passage to, enters
Row voice data scrambles, then sends Bluetooth RF module to, encoded is sent by antenna；When
After the antenna of described safe bluetooth communication equipment receives the data of encryption, send audio frequency descrambling passage to, enter
Row descrambling, is then forwarded to the coding/decoding module of bluetooth primary processor, is play by speaker after decoding
Out.
Described safe bluetooth communication equipment, it is characterised in that the audio frequency of described safe bluetooth communication equipment
Scrambling passage constantly converts frequency according to synchronizing signal and frequency translation method is to set according to safe bluetooth communication
Standby numbering generates series of parameters through special algorithm, according to chronological order, selects successively or by specific
Order selected parameter calculates frequency and frequency transformation scope.
Described safe bluetooth communication equipment, it is characterised in that the audio frequency of described safe bluetooth communication equipment
Scrambling passage constantly converts frequency according to synchronizing signal and frequency translation method is, according to safe bluetooth communication
The numbering of equipment and the password of user's input, generate series of parameters through special algorithm, according to the time time
Sequence, selects successively or calculates frequency and frequency transformation scope by certain order selected parameter.
Described safe bluetooth communication equipment, it is characterised in that the scrambling that described audio scrambling passage uses
Key be by mark calculate obtain, described in be identified by obtain handset dialing time send DTMF letter
Number dialed number obtained.
Described safe bluetooth communication equipment, it is characterised in that described synchronizing signal passes through synchronization module energy
Reaching and have non-High Accuracy Clock and carry out safety verification and communication, the most described synchronizing signal has clock
Factor adjustment parameters, i.e. when recipient is by safety verification computing, finds when synchronous characteristic data have deviation,
Illustrate that the clock of sender has deviation, audio frequency descrambling passage can automatically store the deviation positive and negative time, and under
During secondary safety verification, from present clock, automatically add the upper deviation positive and negative time, ensure and calculate synchronous characteristic number
According to correctness.
Described safe bluetooth communication equipment, it is characterised in that when initiator enters with multiple recipients simultaneously
During row secure connection, use multi-party communication application link order, indicate that recipient is with the random number of sender
The data produced by synchronization module replace the parameter that oneself mark original generates so that each side's communication
Shared key keeps consistent.
Described safe bluetooth communication equipment, it is characterised in that described shared key uses dynamic synchronization machine
System, data receiver or transmission terminate i.e. every time, and current shared key all can be sent into and synchronize mould by communication each side
Block produces new shared key, and next time, data communication will use new shared key.
Described safe bluetooth communication equipment, it is characterised in that the software of described safe bluetooth communication equipment
Part can carry out safety upgrade；Described safe bluetooth communication equipment can also pass through external slot, passes through
TF card or IC-card are as accessory ID source and encryption and decryption hardware.
Detailed description of the invention
The safe bluetooth communication equipment detailed description of the invention of the present invention is first to select the main place of suitable bluetooth
Reason device, encryption chip, mix mike, speaker and interlock circuit, and bluetooth primary processor has configured volume
Decoder module and control program, encryption chip configured independent audio scrambling passage and audio frequency descrambling passage,
Synchronization module；The sound of the mike input of described safe bluetooth communication equipment is through bluetooth primary processor
After coding/decoding module coding, the audio scrambling passage delivering to encryption chip dynamically scrambles, use close
The password that key is the numbering by described safe bluetooth communication equipment to be inputted with user obtains through common computing
's；Data through encryption can send Bluetooth RF module to, encoded is sent by antenna；
After the antenna of described safe bluetooth communication equipment receives the data of encryption, bluetooth primary processor first will obtain
Data deliver to encryption chip audio frequency descrambling passage synchronize and descramble, solve ciphertext data, be sent to indigo plant
The coding/decoding module of tooth primary processor, is played back by speaker after decoding.
Claims (8)
1. a safe bluetooth communication equipment, it is characterised in that use independent audio scrambling passage and audio frequency
Descrambling passage constitutes full duplex encrypted safe communication system, and audio scrambling passage uses the frequency of multifrequency point
Rate conversion realizes audio frequency and upsets, and in communication process, constantly convert according to synchronizing signal frequency and
Frequency translation method, it is achieved dynamically scramble protection；The mike of described safe bluetooth communication equipment is defeated
The sound entered, after the coding/decoding module of bluetooth primary processor encodes, sends audio scrambling to and leads to
Road, carries out voice data scrambling, then sends Bluetooth RF module to, encoded is sent out by antenna
See off；After the antenna of described safe bluetooth communication equipment receives the data of encryption, send sound to
Frequency descrambling passage, descrambles, is then forwarded to the coding/decoding module of bluetooth primary processor, through solving
Played back by speaker after Ma.
2. according to the safe bluetooth communication equipment described in claim 1, it is characterised in that described safety is blue
The audio scrambling passage of tooth communication apparatus constantly converts frequency and frequency transformation side according to synchronizing signal
Method is that the numbering according to safe bluetooth communication equipment generates series of parameters through special algorithm, according to
Chronological order, selects successively or calculates frequency and frequency transformation scope by certain order selected parameter.
3. according to the safe bluetooth communication equipment described in claim 2, it is characterised in that described safety is blue
The audio scrambling passage of tooth communication apparatus constantly converts frequency and frequency transformation side according to synchronizing signal
Method is, according to numbering and the password of user's input of safe bluetooth communication equipment, through special algorithm
Generate series of parameters, according to chronological order, select successively or calculate by certain order selected parameter
Frequency and frequency transformation scope.
4. according to the safe bluetooth communication equipment described in claim 3, it is characterised in that described audio frequency adds
Disturb passage use descrambling key be by mark calculate obtain, described in be identified by obtain mobile phone
The dialed number that the dtmf signal sent during dialing obtains.
5. according to the safe bluetooth communication equipment described in claim 4, it is characterised in that described synchronization is believed
Number can carry out safety verification and communication, i.e. with having non-High Accuracy Clock by synchronization module
Described synchronizing signal has clock factor adjustment parameters, i.e. when recipient is by safety verification computing,
Find when synchronous characteristic data have deviation, illustrate that the clock of sender has deviation, audio frequency descrambling passage
Can automatically store the deviation positive and negative time, and when safety verification next time, automatically add from present clock
The upper deviation positive and negative time, ensure the correctness calculating synchronous characteristic data.
6. according to the safe bluetooth communication equipment described in claim 5, it is characterised in that when initiator is same
Time with multiple recipients carry out secure connection time, use multi-party communication application link order, indicate and connect
Debit replaces oneself mark original with the random number of sender by the data that synchronization module produces
The parameter generated so that the shared key of each side's communication keeps consistent.
7. according to the safe bluetooth communication equipment described in claim 6, it is characterised in that described shared close
Key uses dynamic synchronization mechanism, and data receiver or transmission terminate i.e. every time, and communication each side all can will work as
Front shared key is sent into synchronization module and is produced new shared key, and next time, data communication was new by using
Shared key.
8. according to the safe bluetooth communication equipment described in claim 7, it is characterised in that described safety is blue
The software section of tooth communication apparatus can carry out safety upgrade；Described safe bluetooth communication equipment can also
Enough by external slot, originated and encryption and decryption hardware as accessory ID by TF card or IC-card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124137.2A CN106162502A (en) | 2015-03-20 | 2015-03-20 | Safe bluetooth communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124137.2A CN106162502A (en) | 2015-03-20 | 2015-03-20 | Safe bluetooth communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106162502A true CN106162502A (en) | 2016-11-23 |
Family
ID=58063255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510124137.2A Pending CN106162502A (en) | 2015-03-20 | 2015-03-20 | Safe bluetooth communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740216A (en) * | 2019-11-07 | 2020-01-31 | 江苏英索纳智能科技有限公司 | Control switch based on mobile phone Bluetooth |
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| GB0229781D0 (en) * | 2002-12-20 | 2003-01-29 | Courtney Peter | Secure transmission of audio signals |
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| CN102983963A (en) * | 2012-12-11 | 2013-03-20 | 长春卓尔信息安全产业股份有限公司 | Encryption conversation method and conversation encryption device |
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| GB0229781D0 (en) * | 2002-12-20 | 2003-01-29 | Courtney Peter | Secure transmission of audio signals |
| CN1617464A (en) * | 2003-11-14 | 2005-05-18 | 华为技术有限公司 | Frequency hopping sequence generating method for realizing blue tooth cellural organized net |
| CN101304306A (en) * | 2007-05-10 | 2008-11-12 | 许丰 | Method and apparatus for safety call |
| CN101119133A (en) * | 2007-09-07 | 2008-02-06 | 倪郁青 | 2.4GHz frequency hopping technique based one-to-many fast synchronization method |
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| CN102983963A (en) * | 2012-12-11 | 2013-03-20 | 长春卓尔信息安全产业股份有限公司 | Encryption conversation method and conversation encryption device |
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| 郭岩，张树勇，刘志鹏: "一种新的超长周期蓝牙跳频序列的构造及性能分析", 《飞机设计》 * |
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| CN110740216A (en) * | 2019-11-07 | 2020-01-31 | 江苏英索纳智能科技有限公司 | Control switch based on mobile phone Bluetooth |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |