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CN113242538A - Communication voice information encryption system of Bluetooth conference sound box - Google Patents

Communication voice information encryption system of Bluetooth conference sound box Download PDF

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Publication number
CN113242538A
CN113242538A CN202110513376.2A CN202110513376A CN113242538A CN 113242538 A CN113242538 A CN 113242538A CN 202110513376 A CN202110513376 A CN 202110513376A CN 113242538 A CN113242538 A CN 113242538A
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CN
China
Prior art keywords
communication module
communication
bcs
bluetooth
voice information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110513376.2A
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Chinese (zh)
Inventor
彭兴会
许小妮
文伊泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chuangyizhe Technology Co ltd
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Shenzhen Chuangyizhe Technology Co ltd
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Priority to CN202110513376.2A priority Critical patent/CN113242538A/en
Publication of CN113242538A publication Critical patent/CN113242538A/en
Pending legal-status Critical Current

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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
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to the technical field of voice encryption, and discloses a communication voice information encryption system of a Bluetooth conference sound box, which comprises: communication module CM embedded on Bluetooth chip of Bluetooth conference sound box Bcs1A communication module CM built in the multimedia communication device Mte2A communication module CM on the multimedia communication device Mte2With communication module CM on bluetooth conference audio amplifier Bcs1Performing communication connection between each other; in the above communication moduleBlock CM1And communication module CM2The encryption system realizes the encryption operation of transmitting voice information through a shared key pair, verifies the identity of a voice information transmission party through the shared key pair, and finally realizes the decryption operation of voice encryption through the shared key pair. The invention solves the technical problem of how to encrypt and decrypt the communication voice information of the Bluetooth conference sound box.

Description

Communication voice information encryption system of Bluetooth conference sound box
Technical Field
The invention relates to the technical field of voice encryption, in particular to a communication voice information encryption system of a Bluetooth conference sound box.
Background
The bluetooth speaker is the audio amplifier that relies on bluetooth transmission agreement to carry out data transmission as the carrier, be arranged in the digital conference system with bluetooth speaker and can solve audio amplifier wire rod connection complex problem in the meeting place effectively, embedding communication module on bluetooth chip of bluetooth conference speaker, can make bluetooth conference speaker possess the voice communication function, can make bluetooth conference speaker and multimedia communication equipment carry out voice communication, but how to carry out encryption processing to the speech information who relates to the meeting content, become present the problem that awaits the solution urgently.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a communication voice information encryption system of a Bluetooth conference sound box, which aims to solve the technical problem of how to encrypt and decrypt the communication voice information of the Bluetooth conference sound box.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a communication voice information encryption system of a Bluetooth conference sound box comprises: communication module CM embedded on Bluetooth chip of Bluetooth conference sound box Bcs1A communication module CM built in the multimedia communication device Mte2A communication module CM on the multimedia communication device Mte2With communication module CM on bluetooth conference audio amplifier Bcs1Performing communication connection between each other;
in the above communication module CM1And communication module CM2The voice information encryption system is operated on the voice information encryption system, and the voice encryption method of the encryption system specifically comprises the following steps:
step one, establishing a communication module CM of a Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2A communication connection therebetween;
step two, if the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The first communication connection is between the two, then a shared secret key pair (SS) is generated1∥SS2)；
Wherein SS1And SS2All binary sequences have the length of n, and n is an even number;
if communication module CM of bluetooth conference audio amplifier Bcs1Communication module CM for communicating with a multimedia communication device Mte2The first communication connection is not formed between the voice information VM and the user terminal, before the voice information VM is transmitted, encryption calculation is carried out on the voice information VM, and the method specifically comprises the following steps:
VC1＝VM⊕SS1；
VC2＝VM⊕SS2；
then the cryptograph VC of the voice information VM is processed1And VC2Communication module CM for transmission to multimedia communication device Mte2；
Wherein VM is a binary sequence with a length of n, and n is an even number;
step three, cipher text VC1And VC2Decrypting to obtain ciphertext VC1And VC2In the clear text of the speech information VM ═ VC ═ VC1'＝VC2'。
Further, the communication module CM of the multimedia communication device Mte2Receiving VC1And VC2Thereafter, VC calculation is started first1'＝VC1⊕SS1，VC2'＝VC2⊕SS2Then verify the equation VC1'＝VC2Whether or not it is true;
if the above equation VC1'＝VC2' if it is true, it can be proved that the transmission party of the information is the communication module CM of the Bluetooth conference speaker Bcs1。
Furthermore, the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM towards multimedia communication device Mte2Transmission shared key pair (SS)1∥SS2) Communication module CM of the multimedia communication device Mte2Communication module CM of synchronous bluetooth conference audio amplifier Bcs1Transmitting a Random Signal (RS) consisting of a high signal (1) and a low signal (0)1∥RS2) If the superimposed signal T is transmitted between the two, the communication module CM of the multimedia communication device Mte2Calculating to obtain a shared key pair (SS)1∥SS2)＝T-(RS1∥RS2)；
Wherein, RS1And RS2Are all binary sequences, are all n in length, and are even numbers.
Furthermore, the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The communication connection is established as follows:
communication module CM of Bluetooth conference sound box Bcs1Opening a communication port;
communication module CM of Bluetooth conference sound box Bcs1Start of interception, communication module CM of multimedia communication device Mte2Whether to request the communication module CM with the Bluetooth conference sound box Bcs1And (4) connecting.
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
the invention firstly shares a shared key pair for voice encryption between a communication module of a Bluetooth conference sound box as a voice information transmission party and a communication module of multimedia communication equipment as a voice receiving party by a method for preventing illegal eavesdropping, secondly realizes the encryption operation of transmitting voice information by the shared key pair, verifies the identity of the voice information transmission party by the shared key, and finally realizes the decryption operation of voice encryption by the shared key pair.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A communication voice information encryption system of a Bluetooth conference sound box comprises: communication module CM embedded on Bluetooth chip of Bluetooth conference sound box Bcs1A communication module CM built in the multimedia communication device Mte2A communication module CM on the multimedia communication device Mte2With communication module CM on bluetooth conference audio amplifier Bcs1Performing communication connection between each other;
in the above communication module CM1And communication module CM2A voice information encryption system is operated on the mobile terminal;
further, a communication module CM on the multimedia communication device Mte2With communication module CM on bluetooth conference audio amplifier Bcs1Data interaction is carried out through a voice information encryption system;
communication module CM when Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2When voice information transmission is carried out between the voice information encryption system and the voice encryption method, the voice encryption method of the voice information encryption system specifically comprises the following steps:
step one, establishing a communication module CM of a Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The communication connection is as follows:
communication module CM of Bluetooth conference sound box Bcs1Opening a communication port;
communication module CM of Bluetooth conference sound box Bcs1Start of interception, communication module CM of multimedia communication device Mte2Whether to request the communication module CM with the Bluetooth conference sound box Bcs1If not, continuing monitoring to establish connection; if yes, continuing to execute the next step;
step two, if the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The first communication connection is formed between the Bluetooth conference loudspeaker boxes Bcs and the communication module CM of the Bluetooth conference loudspeaker box Bcs1Communication module CM for communicating with a multimedia communication device Mte2Between, in particularThe process is as follows:
communication module CM of Bluetooth conference sound box Bcs1Randomly selecting a shared key pair (SS)1∥SS2) Wherein SS1And SS2All binary sequences have the length of n, and n is an even number;
② communication module CM for preventing Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2In a shared key pair (SS)1∥SS2) The problem of illegal eavesdropping occurs in the communication process, and when the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM starting to multimedia communication device Mte2Transmission shared key pair (SS)1∥SS2) Communication module CM of the multimedia communication device Mte2Communication module CM of synchronous bluetooth conference audio amplifier Bcs1Transmitting a Random Signal (RS) consisting of a high signal (1) and a low signal (0)1∥RS2) Wherein, RS1And RS2All binary sequences have the length of n, and n is an even number;
at this moment, the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The superimposed signal T is transmitted between, the communication module CM of the multimedia communication device Mte2Calculating to obtain a shared key pair (SS)1∥SS2)＝T-(RS1∥RS2)；
If communication module CM of bluetooth conference audio amplifier Bcs1Communication module CM for communicating with a multimedia communication device Mte2The Bluetooth conference sound box Bcs is not in first communication connection with the Bluetooth conference sound box Bcs1At the communication module CM to the multimedia communication device Mte2Before transmitting the voice information VM (where VM is a binary sequence, the length of VM is n, and n is an even number), performing encryption calculation on the voice information VM, specifically:
VC1＝VM⊕SS1；
VC2＝VM⊕SS2；
then the cryptograph VC of the voice information VM is processed1And VC2Communication module CM for transmission to multimedia communication device Mte2；
Step three, the communication module CM of the multimedia communication device Mte2Receiving VC1And VC2Thereafter, VC calculation is started first1'＝VC1⊕SS1，VC2'＝VC2⊕SS2Then verify the equation VC1'＝VC2Whether or not it is true;
if the above equation VC1'＝VC2' if it is true, it can be proved that the transmission party of the information is the communication module CM of the Bluetooth conference speaker Bcs1Then, the cipher text VC can be processed at this time1And VC2Decrypting to obtain ciphertext VC1And VC2In the clear text of the speech information VM ═ VC ═ VC1'＝VC2'；
The above encryption scheme not only enables the communication module CM of the recipient multimedia communication device Mte of the voice message2Communication module CM capable of verifying Bluetooth conference sound box Bcs of transmission party1And due to a shared key pair (SS)1∥SS2) The technical scheme of anti-eavesdropping is adopted in the communication transmission process, so that the VC can be protected even if the ciphertext is monitored1And VC2And the plaintext VM' of the voice information cannot be obtained through cracking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a communication voice information encryption system of bluetooth meeting audio amplifier which characterized in that includes: communication module CM embedded on Bluetooth chip of Bluetooth conference sound box Bcs1A communication module CM built in the multimedia communication device Mte2A communication module CM on the multimedia communication device Mte2With communication module CM on bluetooth conference audio amplifier Bcs1Making communication connections with each other；
In the above communication module CM1And communication module CM2The voice information encryption system is operated on the voice information encryption system, and the voice encryption method of the encryption system specifically comprises the following steps:
step one, establishing a communication module CM of a Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2A communication connection therebetween;
step two, if the communication module CM of the Bluetooth conference sound box Bcs1Communication module CM for communicating with a multimedia communication device Mte2The first communication connection is between the two, then a shared secret key pair (SS) is generated1∥SS2)；
Wherein SS1And SS2All binary sequences have the length of n, and n is an even number;
if communication module CM of bluetooth conference audio amplifier Bcs1Communication module CM for communicating with a multimedia communication device Mte2The first communication connection is not formed between the voice information VM and the user terminal, before the voice information VM is transmitted, encryption calculation is carried out on the voice information VM, and the method specifically comprises the following steps:
VC1＝VM⊕SS1；
VC2＝VM⊕SS2；
then the cryptograph VC of the voice information VM is processed1And VC2Communication module CM for transmission to multimedia communication device Mte2；
Wherein VM is a binary sequence with a length of n, and n is an even number;
step three, cipher text VC1And VC2Decrypting to obtain ciphertext VC1And VC2In the clear text of the speech information VM ═ VC ═ VC1'＝VC2'。
2. The system for encrypting communication voice information of bluetooth conference speaker as claimed in claim 1, wherein the communication module CM of the multimedia communication device Mte2Receiving VC1And VC2Thereafter, VC calculation is started first1'＝VC1⊕SS1，VC2'＝VC2⊕SS2Then verify the equation VC1'＝VC2Whether or not it is true;
if the above equation VC1'＝VC2' if it is true, it can be proved that the transmission party of the information is the communication module CM of the Bluetooth conference speaker Bcs1。
3. The system as claimed in claim 2, wherein the communication module CM of the bluetooth conference speaker Bcs is configured to encrypt the communication voice information1Communication module CM towards multimedia communication device Mte2Transmission shared key pair (SS)1∥SS2) Communication module CM of the multimedia communication device Mte2Communication module CM of synchronous bluetooth conference audio amplifier Bcs1Transmitting a Random Signal (RS) consisting of a high signal (1) and a low signal (0)1∥RS2) If the superimposed signal T is transmitted between the two, the communication module CM of the multimedia communication device Mte2Calculating to obtain a shared key pair (SS)1∥SS2)＝T-(RS1∥RS2)；
Wherein, RS1And RS2Are all binary sequences, are all n in length, and are even numbers.
4. The system as claimed in claim 3, wherein the communication module CM of the Bluetooth conference speaker Bcs is connected to the communication module CM of the Bluetooth conference speaker Bcs1Communication module CM for communicating with a multimedia communication device Mte2The communication connection is established as follows:
communication module CM of Bluetooth conference sound box Bcs1Opening a communication port;
communication module CM of Bluetooth conference sound box Bcs1Start of interception, communication module CM of multimedia communication device Mte2Whether to request the communication module CM with the Bluetooth conference sound box Bcs1And (4) connecting.
CN202110513376.2A 2021-05-11 2021-05-11 Communication voice information encryption system of Bluetooth conference sound box Pending CN113242538A (en)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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CN112685786A (en) * 2021-01-27 2021-04-20 永辉云金科技有限公司 Financial data encryption and decryption method, system, equipment and storage medium

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1592141A (en) * 2004-01-17 2005-03-09 中国电子科技集团公司第三十研究所 Terminal to terminal encryption method of cell phone voice and data
CN101253747A (en) * 2005-08-29 2008-08-27 西门子公司 Method and arrangement for the secure transmission of data in a multi-hop communication system
EP2224655A1 (en) * 2009-02-27 2010-09-01 Research In Motion Limited Systems and methods for protecting header fields in a message
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CN104247369A (en) * 2012-02-22 2014-12-24 高通股份有限公司 Method and equipment for blurring equipment tags
CN103684783A (en) * 2013-12-06 2014-03-26 青岛海信电子设备股份有限公司 Communication encryption method based on communication network
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CN112685786A (en) * 2021-01-27 2021-04-20 永辉云金科技有限公司 Financial data encryption and decryption method, system, equipment and storage medium

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Application publication date: 20210810