CN1747370A - Device and method for realizing end-to-end encrypted communication based on bluetooth wireless connection - Google Patents
Device and method for realizing end-to-end encrypted communication based on bluetooth wireless connectionDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域：Technical field:
本发明涉及移动通信及有线电话网通讯的保密技术，特别涉及一种基于蓝牙无线连接实现端到端话音、数据加密通信的装置，以及用这种装置实现端到端话音、数据信息加密通信的方法。The present invention relates to the security technology of mobile communication and wired telephone network communication, in particular to a device for realizing end-to-end voice and data encryption communication based on bluetooth wireless connection, and a device for realizing end-to-end voice and data information encryption communication with this device method.
背景技术：Background technique:
有线电话网是目前世界上应用最为广泛的固定电话网络，用户数以十亿计。由于有线电话网四通八达，在有线电话网的线路上搭线，非法用户使用简单的技术即可轻易截获电话、传真、数据等合法用户的信息，因此有线电话网的通信安全问题十分突出。The wired telephone network is currently the most widely used fixed telephone network in the world, with billions of users. Because the wired telephone network extends in all directions, illegal users can easily intercept legitimate users' information such as telephone calls, faxes, and data by using simple technology if they are wired on the wired telephone network. Therefore, the communication security problem of the wired telephone network is very prominent.
鉴于在有线电话网中通信的不安全性，国内外已有多家公司研制出相关的加密设备，用以保护合法用户在有线电话网中通信的合法权益，如一体化的电话保密机、门卫式电话保密机、门卫式电话/传真二合一保密机等。但是，现有的有线电话网加密设备中的有线接入单元与加/解密单元(包括话筒和听筒)采用有线连接，导致使用不便、灵活性差；而且由于体积大，外出携带方便。In view of the insecurity of communication in the wired telephone network, many companies at home and abroad have developed related encryption equipment to protect the legitimate rights and interests of legitimate users communicating in the wired telephone network, such as integrated telephone security machines, door guards, etc. Type telephone security machine, guard type telephone/fax two-in-one security machine, etc. However, the wired connection between the wired access unit and the encryption/decryption unit (comprising the microphone and the receiver) in the existing wired telephone network encryption device is inconvenient to use and poor in flexibility; and it is easy to carry because of its large size.
发明内容：Invention content:
本发明的目的在于：为用户提供一种通信安全、使用方便灵活、基于蓝牙无线连接实现端到端话音、数据信息加密通信的方法。The purpose of the present invention is to provide users with a method for communicating securely, conveniently and flexibly, and realizing end-to-end voice and data information encrypted communication based on bluetooth wireless connection.
本发明另一个目的是：为用户提供实现这种安全通信方法所用的装置。Another object of the present invention is to provide users with means for implementing such a secure communication method.
本发明的目的是通过实施下述技术方案来实现的：The purpose of the present invention is achieved by implementing the following technical solutions:
一种基于蓝牙无线连接实现端到端话音、数据信息加密通信的方法，包括有：配套的蓝牙有线接入器和蓝牙加密器(以下简称蓝牙加密套件)，其中蓝牙有线接入器直接与有线电话网信道连接；而蓝牙加密器，通过自身与配套的蓝牙有线接入器之间的蓝牙数据信道，实现无线连接；其特征在于：A method for realizing end-to-end encrypted communication of voice and data information based on bluetooth wireless connection, comprising: a matching bluetooth wired access device and a bluetooth encryptor (hereinafter referred to as a bluetooth encryption suite), wherein the bluetooth wired access device is directly connected to the wired The telephone network channel is connected; and the bluetooth encryptor realizes the wireless connection through the bluetooth data channel between itself and the supporting bluetooth wired access device; it is characterized in that:
(一)在有线电话网两端都装有蓝牙加密套件情况下，其端到端的加密通信过程是：(1) In the case where Bluetooth encryption suites are installed at both ends of the wired telephone network, the end-to-end encrypted communication process is:
①主叫方将通信的话音、数据信息，输入至所持的蓝牙加密器，进行信息加密；②被加密的话音、数据信息，通过该加密器与配套的发送端蓝牙有线接入器之间的蓝牙数据信道，发送到对应的蓝牙有线接入器；③该发送端的蓝牙有线接入器，将接收到的加密信息，通过有线电话网信道传输到接收端的蓝牙有线接入器；④接收端蓝牙有线接入器，通过其自身与配套的接收端蓝牙加密器之间的蓝牙数据信道，将加密信息发送到对应的接收端蓝牙加密器；⑤接收端蓝牙加密器将加密信息解密，还原成所接收的明文话音、数据提给接收者。①The calling party inputs the voice and data information of communication into the bluetooth encryptor held by him to encrypt the information; The Bluetooth data channel is sent to the corresponding Bluetooth wired access device; ③The Bluetooth wired access device at the sending end transmits the received encrypted information to the Bluetooth wired access device at the receiving end through the wired telephone network channel; ④The receiving end Bluetooth The wired access device sends the encrypted information to the corresponding receiving-end Bluetooth encryptor through the Bluetooth data channel between itself and the matching receiving-end Bluetooth encryptor; ⑤The receiving-end Bluetooth encryptor decrypts the encrypted information and restores it to the The received plaintext voice and data are provided to the receiver.
(二)在有线电话网信道一端装有蓝牙加密套件，另一端装有有线数字保密电话机情况下，端到端的加密通信过程是：(2) When one end of the wired telephone network channel is equipped with a Bluetooth encryption kit and the other end is equipped with a wired digital security telephone, the end-to-end encrypted communication process is:
A、如果主叫方持有与蓝牙有线接入器配套的蓝牙加密器，其端到端的加密通信过程是：1)、主叫方将通信的话音、数据信息，输入至所持的蓝牙加密器进行信息加密；2)、被加密的话音、数据信息，通过该加密器与配套的发送端蓝牙有线接入器之间的蓝牙数据信道，发送到对应的发送端蓝牙有线接入器；3)、发送端有线接入器将接收到的加密信息，通过有线电话网信道，传输到接收端的数字保密电话机，由该电话机将加密信息还原成明文话音或数据。A. If the calling party has a Bluetooth dongle matching with the Bluetooth wired access device, the end-to-end encrypted communication process is: 1), the calling party will input the voice and data information of the communication into the Bluetooth dongle held by the calling party Carry out information encryption; 2), the encrypted voice and data information are sent to the corresponding sending end Bluetooth wired access device through the Bluetooth data channel between the encryptor and the supporting sending end Bluetooth wired access device; 3) 1. The wired access device at the sending end transmits the received encrypted information to the digital security telephone at the receiving end through the channel of the wired telephone network, and the encrypted information is restored into plain text voice or data by the telephone.
B、如果主叫方持有数字保密电话机，其端到端的加密通信过程是：1)主叫方通过数字保密电话机，将话音或数据信息加密；2)被该电话机加密的话音或数据信息，通过有线电话网信道传输至接收端蓝牙有线接入器；3)接收端蓝牙有线接入器，通过其自身与配套的接收端蓝牙加密器之间的蓝牙数据信道，将加密话音或数据信息发送至对应的接收端蓝牙加密器；4)接收端蓝牙加密器，将加密话音或数据信息解密，将解密后的信息还原成话音或数据输送给接收者。B. If the calling party has a digital security phone, the end-to-end encrypted communication process is: 1) the calling party encrypts the voice or data information through the digital security phone; The data information is transmitted to the receiving end Bluetooth wired access device through the wired telephone network channel; 3) the receiving end Bluetooth wired access device, through the Bluetooth data channel between itself and the supporting receiving end Bluetooth encryptor, encrypts the voice or The data information is sent to the corresponding receiving-end Bluetooth encryptor; 4) The receiving-end Bluetooth encryptor decrypts the encrypted voice or data information, restores the decrypted information into voice or data and sends it to the receiver.
(三)在有线电话网信道一端装有蓝牙加密套件，信道另一端连接GSM网络，接收或发送端为GSM加密手机情况下，端到端的加密通信过程是：(3) When one end of the wired telephone network channel is equipped with a Bluetooth encryption kit, the other end of the channel is connected to the GSM network, and the receiving or sending end is a GSM encrypted mobile phone, the end-to-end encrypted communication process is:
a、如果主叫方持有与蓝牙有线接入器配套的蓝牙加密器，其端到端的加密通信过程是：1)、主叫方将通信的话音或数据信息输入至所持的蓝牙加密器进行加密；2)、被加密的话音或数据信息，通过该加密器与配套的发送端蓝牙有线接入器之间的蓝牙数据信道，发送到对应的发送端蓝牙有线接入器；3)、发送端蓝牙有线接入器，将接收到的加密话音或数据信息，通过有线电话网信道传输到GSM网络上；4)、被叫方的GSM加密手机，从GSM网络接收加密话音或数据信息，并将加密话音或数据信息解密，还原成明文话音或数据提供给接收者。a. If the calling party has a Bluetooth dongle matching with the Bluetooth wired access device, the end-to-end encrypted communication process is: 1), the calling party inputs the voice or data information of the communication into the Bluetooth dongle held by the Encryption; 2), the encrypted voice or data information is sent to the corresponding sending end Bluetooth wired access device through the Bluetooth data channel between the encryptor and the matching sending end Bluetooth wired access device; 3), sending 4) The GSM encryption mobile phone of the called party receives the encrypted voice or data information from the GSM network, and Decrypt the encrypted voice or data information and restore it to the plaintext voice or data for the receiver.
b、如果主叫方持有GSM加密手机，则其端到端的加密通信过程是：1)GSM加密手机将话音或数据信息加密后，通过GSM网络传输至有线电话网信道；2)有线电话网信道将加密话音或数据信息传输至接收端蓝牙有线接入器；3)接收端蓝牙有线接入器，通过其自身与接收端蓝牙加密器之间的蓝牙数据信道，将加密话音或数据信息发送至接收端蓝牙加密器；4)接收端蓝牙加密器，将加密话音或数据信息解密，还原成话音或数据后输送给接收者。b. If the calling party holds a GSM encrypted mobile phone, the end-to-end encrypted communication process is: 1) After the GSM encrypted mobile phone encrypts the voice or data information, it is transmitted to the wired telephone network channel through the GSM network; 2) the wired telephone network The channel transmits the encrypted voice or data information to the Bluetooth wired access device at the receiving end; 3) the Bluetooth wired access device at the receiving end transmits the encrypted voice or data information through the Bluetooth data channel between itself and the Bluetooth encryptor at the receiving end To the Bluetooth encryptor at the receiving end; 4) The Bluetooth encryptor at the receiving end decrypts the encrypted voice or data information, restores it to voice or data, and then sends it to the receiver.
实现本发明端到端话音、数据信息加密通信方法所用的装置有：蓝牙加密器与蓝牙有线接入器套件，有线数字保密电话机，GSM蜂窝移动通信加密手机；其中：有线数字保密电话机和GSM蜂窝移动通信加密手机为市售产品。Realize end-to-end voice of the present invention, the used device of data information encryption communication method has: bluetooth encryptor and bluetooth wired access device kit, wired digital security telephone set, GSM cellular mobile communication encrypted mobile phone; Wherein: wired digital security telephone set and The GSM cellular mobile communication encryption mobile phone is a commercially available product.
本发明的蓝牙加密器，包括由蓝牙接口模块、加解密模块、话音压缩/解压缩模块、数据接口模块、A/D D/A模块、控制模块、键盘模块、显示模块和电源模块组成，其特征是：A/D D/A模块与话音压缩/解压缩模块连接，加解密模块分别与话音压缩/解压缩模块、蓝牙接口模块、数据接口模块连接，控制模块分别与蓝牙接口模块、加解密模块、话音压缩/解压缩模块、A/D D/A模块连接，键盘模块和显示模块都分别与控制模块和电源模块连接。The bluetooth encryptor of the present invention comprises and is made up of bluetooth interface module, encryption and decryption module, voice compression/decompression module, data interface module, A/D D/A module, control module, keyboard module, display module and power supply module, it The feature is: the A/D D/A module is connected with the voice compression/decompression module, the encryption and decryption module is respectively connected with the voice compression/decompression module, the Bluetooth interface module, and the data interface module, and the control module is respectively connected with the Bluetooth interface module and the encryption and decryption module. Module, voice compression/decompression module, A/D D/A module connection, keyboard module and display module are all connected with control module and power supply module respectively.
本发明的蓝牙有线接入器，包括由蓝牙接口模块、控制模块、MODEM模块、二/四线变换模块和电源模块组成，其特征是：控制模块分别与蓝牙接口模块、MODEM模块和电源模块连接，MODEM模块与二/四线变换模块连接。The Bluetooth wired access device of the present invention comprises a Bluetooth interface module, a control module, a MODEM module, a two/four-wire conversion module and a power supply module, and is characterized in that the control module is connected to the Bluetooth interface module, the MODEM module and the power supply module respectively , the MODEM module is connected to the two/four-wire conversion module.
本发明的优点在于：由于蓝牙有线接入器直接与有线电话网信道连接，而蓝牙有线接入器是通过蓝牙数据信道与蓝牙加密器无线连接的，由发送端的加密器、或GSM加密手机、或有线数字保密电话机产生的加密信息，或经蓝牙数据信道送至发送端蓝牙有线接入器、再经有线电话网信道、接受端蓝牙有线接入器、及蓝牙数据信道传给接收端加密器；或通过GSM网络传输至有线电话网信道、中经接收端蓝牙有线接入器、蓝牙数据信道传给接收端加密器；或通过有线电话网信道，传输有线数字保密电话机的加密信息至接收端蓝牙有线接入器，中经蓝牙数据信道传给接收端加密器；这三种信息传输的全过程，除输入与接收两端，信息一直处于加密状态，因此保障了信息传输的安全；另一个优点是：由于相关的用户接口，如键盘、听筒和便性和灵活性，便于推广应。The advantage of the present invention is: because the bluetooth wired access device is directly connected with the wired telephone network channel, and the bluetooth wired access device is wirelessly connected with the bluetooth encryptor through the bluetooth data channel, the encryptor at the sending end or the GSM encrypted mobile phone, Or the encrypted information generated by the wired digital security telephone, or sent to the Bluetooth wired access device at the sending end through the Bluetooth data channel, and then transmitted to the receiving end for encryption through the wired telephone network channel, the Bluetooth wired access device at the receiving end, and the Bluetooth data channel or through the GSM network to the wired telephone network channel, the bluetooth wired access device at the receiving end, and the bluetooth data channel to the receiving end encryptor; or through the wired telephone network channel, transmit the encrypted information of the wired digital security telephone to the The bluetooth wired access device at the receiving end is transmitted to the encrypting device at the receiving end via the bluetooth data channel; in the whole process of these three kinds of information transmission, except for the input and receiving ends, the information is always in an encrypted state, thus ensuring the security of information transmission; Another advantage: ease of deployment due to associated user interfaces such as keypad, handset and convenience and flexibility.
附图说明Description of drawings
图1为在有线电话网信道两端装有蓝牙加密套件情况下，端到端加密通信的示意图；Fig. 1 is a schematic diagram of end-to-end encrypted communication under the condition that Bluetooth encryption suites are installed at both ends of the wired telephone network channel;
图2为在有线电话网信道一端装有蓝牙加密套件，另一端装有有线数字保密电话机情况下，端到端加密通信的示意图；Fig. 2 is a schematic diagram of end-to-end encrypted communication under the condition that one end of the wired telephone network channel is equipped with a Bluetooth encryption kit and the other end is equipped with a wired digital security telephone;
图3为在有线电话网信道一端装有蓝牙加密套件，信道另一端连接GSM网络，接收或发送端为GSM加密手机情况下，端到端加密通信的示意图；Fig. 3 is the schematic diagram of end-to-end encrypted communication under the condition that the receiving or sending end is a GSM encrypted mobile phone with a bluetooth encryption suite installed at one end of the wired telephone network channel, and the other end of the channel is connected to the GSM network;
图4为蓝牙加密器结构示意图Figure 4 is a schematic diagram of the structure of the Bluetooth encryptor
图5为蓝牙有线接入器结构示意图Figure 5 is a schematic diagram of the structure of the Bluetooth wired access device
图中标记：1为蓝牙信道，2为数据终端，3为麦克风，4为耳机，5为蓝牙加密器，6为蓝牙有线接入器，7为有线电话网信道。Marks in the figure: 1 is the bluetooth channel, 2 is the data terminal, 3 is the microphone, 4 is the earphone, 5 is the bluetooth encryptor, 6 is the bluetooth wired access device, 7 is the wired telephone network channel.
具体实施方式：Detailed ways:
实施例1Example 1
一种基于蓝牙无线连接实现端到端话音、数据信息加密通信的方法，包括有：配套的蓝牙有线接入器和蓝牙加密器，其中蓝牙有线接入器直接与有线电话网信道连接；而蓝牙加密器，则通过自身与配套的蓝牙有线接入器之间的蓝牙数据信道实现无线连接；A method for realizing encrypted communication of end-to-end voice and data information based on Bluetooth wireless connection, comprising: a matching Bluetooth wired access device and a Bluetooth encryptor, wherein the Bluetooth wired access device is directly connected to a wired telephone network channel; and the Bluetooth The encryptor realizes the wireless connection through the bluetooth data channel between itself and the matching bluetooth wired access device;
在有线电话网信道两端装有蓝牙加密套件情况下，端到端的加密通信过程是：①主叫方通过麦克风3或数据终端2，将通信的话音、数据信息，输入至所持的发送端蓝牙加密器5，话音信息经该蓝牙加密器5中的A/D模块，由模拟量转换成数字量并进行编码，然后经由话音压缩/解压缩模块，将编码话音压缩，形成与有线电话网信道速率相适配的低速率编码话音，再由加解密模块对该编码话音进行加密，然后送至蓝牙接口模块进行发射；数据信息经蓝牙加密器5的数据接口模块，完成外接数据终端2至蓝牙加密器5的加解密模块，传输数据的TTL→RS232电平转换，加解密模块对从数据接口模块传送来的数据进行加密，然将加密数据信息送至蓝牙接口模块进行发射；②被加密的话音、数据信息，通过该加密器5与配套的蓝牙有线接入器6之间的蓝牙ACL链路，发送到对应的蓝牙有线接入器6；③该蓝牙有线接入器6，通过其蓝牙接口模块接收发送来的加密信息，由MODEM模块将加密信号进行节调，再由二/四线变换模块进行四线到二线的变换，通过二线有线电话网信道7传输到终端的蓝牙有线接入器；④该网终端的蓝牙有线接入器，通过其二/四线变换模块，进行二线到四线的变换后，加密信息被送至MODEM模块进行调制，然后通过其蓝牙接口模块进行发射；⑤被发射的加密信息，通过该有线电话网信道终端的蓝牙有线接入器自身与配套的蓝牙加密器之间的蓝牙ACL链路，将加密信息发送至对应的接收端蓝牙加密器；⑥接收端蓝牙加密器，通过其蓝牙接口模块，接收传送来的加密信息，并送至加解密模块，将加密话音和数据解密，然后将解密的明文话音送入话音压缩/解压缩模块进行话音的解压缩，再由D/A编解码模块进行话音的解码，将数字量还原成模拟量的明文话音，通过耳机4放出；被加解密模块解密的数据信息，送至数据接口模块，完成传输数据从蓝牙加密器的加解密模块，至外接数据终端2的RS232→TTL电平转换，数据信息由外接数据终端2接收。In the case of Bluetooth encryption suites installed at both ends of the wired telephone network channel, the end-to-end encrypted communication process is as follows: ①The calling party uses the
实施例2Example 2
一种基于蓝牙无线连接实现端到端话音、数据信息加密通信的方法，包括有：配套的蓝牙有线接入器和蓝牙加密器，其中蓝牙有线接入器直接与有线电话网信道连接；而蓝牙加密器，则通过自身与配套的蓝牙有线接入器之间的蓝牙数据信道实现无线连接；A method for realizing encrypted communication of end-to-end voice and data information based on Bluetooth wireless connection, comprising: a matching Bluetooth wired access device and a Bluetooth encryptor, wherein the Bluetooth wired access device is directly connected to a wired telephone network channel; and the Bluetooth The encryptor realizes the wireless connection through the bluetooth data channel between itself and the matching bluetooth wired access device;
在有线电话网信道一端装有蓝牙加密套件，另一端装有有线数字保密电话机情况下，端到端的加密通信过程是：When one end of the wired telephone network channel is equipped with a Bluetooth encryption suite and the other end is equipped with a wired digital security telephone, the end-to-end encrypted communication process is:
A、如果主叫方持有与蓝牙有线接入器6配套的蓝牙加密器5，其端到端的加密通信过程是：1)、主叫方将通信的话音、数据信息，输入至所持的蓝牙加密器5进行信息加密(其过程与实施例1中的描述过程相同，在此简略。)；2)、被加密的话音、数据信息，通过该加密器5与配套的发送端蓝牙有线接入器6之间的蓝牙数据信道ACL链路，发送到对应的发送端蓝牙有线接入器6；3)、发送端蓝牙有线接入器6将接收到的加密信息，通过有线电话网信道7传输(其过程与实施例1中的描述过程相同，在此简略。)到接收端的数字保密电话机，由该电话机将加密信息还原成明文话音或数据。A, if the calling party holds the
B、如果主叫方持有数字保密电话机，其端到端的加密通信过程是：1)主叫方通过数字保密电话机，将话音或数据信息加密；2)被该电话机加密的话音或数据信息，通过有线电话网信道7传输至接收端蓝牙有线接入器6；3)有线电话网信道接收端的蓝牙有线接入器6，通过其二/四线变换模块，进行二线到四线的变换后，加密信息被送至MODEM模块进行调制，然后通过其蓝牙接口模块进行发射；4)被发射的加密信息，通过接收端蓝牙有线接入器6与接收端蓝牙加密器5之间的蓝牙ACL链路，被发送至接收端蓝牙加密器5；5)接收端蓝牙加密器5，将加密话音或数据信息解密后，输送至接收者(其过程与实施例1中的描述过程相同，在此简略。)。B. If the calling party has a digital security phone, the end-to-end encrypted communication process is: 1) the calling party encrypts the voice or data information through the digital security phone; The data information is transmitted to the bluetooth wired
实施例3Example 3
一种基于蓝牙无线连接实现端到端话音、数据信息加密通信的方法，包括有：配套的蓝牙有线接入器和蓝牙加密器，其中蓝牙有线接入器直接与有线电话网信道连接；而蓝牙加密器，则通过自身与配套的蓝牙有线接入器之间的蓝牙数据信道实现无线连接；A method for realizing encrypted communication of end-to-end voice and data information based on Bluetooth wireless connection, comprising: a matching Bluetooth wired access device and a Bluetooth encryptor, wherein the Bluetooth wired access device is directly connected to a wired telephone network channel; and the Bluetooth The encryptor realizes the wireless connection through the bluetooth data channel between itself and the matching bluetooth wired access device;
在有线电话网信道一端装有蓝牙加密套件，信道另一端连接GSM网络，接收或发送端为GSM加密手机情况下，端到端的加密通信过程是：When one end of the wired telephone network channel is equipped with a Bluetooth encryption suite, the other end of the channel is connected to the GSM network, and the receiving or sending end is a GSM encrypted mobile phone, the end-to-end encrypted communication process is:
a、如果主叫方持有与蓝牙有线接入器配套的蓝牙加密器，其端到端的加密通信过程是：1)、主叫方将通信的话音或数据信息输入至所持的蓝牙加密器5进行加密(过程同例1)；2)、被加密的话音或数据信息，通过该加密器5与配套的发送端蓝牙有线接入器6之间的蓝牙数据信道ACL链路，发送到对应的发送端蓝牙有线接入器6；3)、发送端蓝牙有线接入器6，将接收到的加密话音或数据信息，通过有线电话网信道7传输(过程同例1)到GSM网络上；4)、被叫方的GSM加密手机，从GSM网络接收加密话音或数据信息，并将加密话音或数据信息解密，还原成明文话音或数据提供给接收者。a. If the calling party holds a Bluetooth dongle matching with the Bluetooth wired access device, the end-to-end encrypted communication process is: 1), the calling party inputs the voice or data information of the communication into the Bluetooth dongle held by it 5 Carry out encryption (process is the same as example 1); 2), encrypted voice or data information, send to corresponding by the bluetooth data channel ACL link between this
b、如果主叫方持有GSM加密手机，则其端到端的加密通信过程是：1)GSM加密手机将话音或数据信息加密后，通过GSM网络传输至有线电话网信道7；2)有线电话网信道7将加密话音或数据信息传输至接收端蓝牙有线接入器；3)接收端蓝牙有线接入器，通过其自身与接收端蓝牙加密器之间的蓝牙数据信道ACL链路，将加密话音或数据信息发送至接收端蓝牙加密器；4)接收端蓝牙加密器，将加密话音或数据信息解密，还原成话音或数据后(过程同例1)输送给接收者。b. If the calling party holds a GSM encrypted mobile phone, the end-to-end encrypted communication process is: 1) after the GSM encrypted mobile phone encrypts the voice or data information, it is transmitted to the wired
以上本发明所用的蓝牙有线接入器，其中各组成组件：The above bluetooth wired access device used in the present invention, wherein each component:
蓝牙接口模块，采用通用的符合蓝牙规范的Stollmann公司的BlueRS+A蓝牙模块；The bluetooth interface module adopts the BlueRS+A bluetooth module of Stollmann company which conforms to the general bluetooth specification;
MODEM模块，采用SILICON公司的Si2457，为符合有线电话网标准的调制解调集成电路芯片；The MODEM module adopts Si2457 of SILICON Company, which is a modulation and demodulation integrated circuit chip conforming to the standard of wired telephone network;
二/四线变换模块，采用SILICON公司的Si3018及其提供的外围电路，与MODEM模块配套；The two/four-wire conversion module adopts Si3018 from SILICON and its peripheral circuits, and is matched with the MODEM module;
电源模块，采用Micrel公司的MIC2210，为蓝牙有线接入器的各模块提供工作电源；The power module adopts the MIC2210 of Micrel Company to provide working power for each module of the Bluetooth wired access device;
控制模块，由CPU及其外围电路组成，CPU采用Cygnal公司的单片机C8051F020；The control module is composed of CPU and its peripheral circuits, and the CPU adopts the single-chip microcomputer C8051F020 of Cygnal Company;
本发明所用的蓝牙加密器，其中各组成组件：The bluetooth encryptor used in the present invention, wherein each constituent assembly:
A/D D/A模块，为集A/D、D/A转换和话音编解码功能于一体的单片集成电路，采用MOTOROLA公司的MC145481，以减小印制板尺寸，进而缩小蓝牙加密器的整机体积；A/D D/A module is a single-chip integrated circuit that integrates A/D, D/A conversion and voice codec functions. It uses MC145481 from MOTOROLA to reduce the size of the printed board, thereby reducing the size of the Bluetooth encryption device. The volume of the whole machine;
数据接口模块，采用MAXIM公司的MAX3243；The data interface module adopts MAX3243 of MAXIM Company;
话音压缩/解压缩模块，采用专用的低速率声码器，DVSI公司的AMBE1000；Voice compression/decompression module, using a dedicated low-rate vocoder, DVSI's AMBE1000;
加解密模块，采用握奇公司的CPU卡The encryption and decryption module adopts the CPU card of Watchdata
蓝牙接口模块，采用通用的符合蓝牙规范的Stollmann公司的BlueRS+A蓝牙模块；The bluetooth interface module adopts the BlueRS+A bluetooth module of Stollmann company which conforms to the general bluetooth specification;
电源模块，采用Micrel公司的MIC2210，为蓝牙加密器的各模块提供工作电源；The power supply module adopts MIC2210 from Micrel Company to provide working power for each module of the Bluetooth dongle;
控制模块，由CPU及其外围电路组成，CPU采用Cygnal公司的单片机C8051F020；The control module is composed of CPU and its peripheral circuits, and the CPU adopts the single-chip microcomputer C8051F020 of Cygnal Company;
键盘模块，采用CPU和Actel公司的EX64；The keyboard module adopts CPU and Actel EX64;
显示模块，采用CPU和三星公司的MOBI2007液晶显示器。The display module adopts CPU and Samsung's MOBI2007 liquid crystal display.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674107A (en)* | 2009-08-13 | 2010-03-17 | 上海酷吧信息技术有限公司 | Method for transmitting encrypted electronic coupons by using Bluetooth |
| WO2012034279A1 (en)* | 2010-09-16 | 2012-03-22 | Igrs Engineering Lab Ltd. | Remote mobile device information retrieval |
| CN102457308A (en)* | 2011-12-13 | 2012-05-16 | 陈涛 | High-speed near field communication device |
| CN105681310A (en)* | 2016-01-26 | 2016-06-15 | 重庆邮电大学 | Bluetooth based voice source real-time voice encryption method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148683C (en)* | 2002-04-30 | 2004-05-05 | 北京信源咨讯信息技术有限公司 | Entrance guard method and system using blue tooth technique in wireless authentication and data transmitting/receiving |
| US20060198520A1 (en)* | 2002-12-20 | 2006-09-07 | Peter Courtney | Secure transmission of digital audio signals |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674107A (en)* | 2009-08-13 | 2010-03-17 | 上海酷吧信息技术有限公司 | Method for transmitting encrypted electronic coupons by using Bluetooth |
| WO2012034279A1 (en)* | 2010-09-16 | 2012-03-22 | Igrs Engineering Lab Ltd. | Remote mobile device information retrieval |
| US8849247B2 (en) | 2010-09-16 | 2014-09-30 | Igrs Engineering Lab Ltd. | Remote mobile device information retrieval |
| CN102457308A (en)* | 2011-12-13 | 2012-05-16 | 陈涛 | High-speed near field communication device |
| CN105681310A (en)* | 2016-01-26 | 2016-06-15 | 重庆邮电大学 | Bluetooth based voice source real-time voice encryption method |
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