CN102413462A - Method and system for improving safety of voice communication of mobile terminal system based on safety micro secure digital (TF) card - Google Patents

Method and system for improving safety of voice communication of mobile terminal system based on safety micro secure digital (TF) card Download PDF

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CN102413462A
CN102413462A CN2011103707913A CN201110370791A CN102413462A CN 102413462 A CN102413462 A CN 102413462A CN 2011103707913 A CN2011103707913 A CN 2011103707913A CN 201110370791 A CN201110370791 A CN 201110370791A CN 102413462 A CN102413462 A CN 102413462A
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card
voice communication
safe
safety
portable terminal
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CN102413462B (en
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常朝稳
李平
董建强
何骏
梁松涛
石淑英
刘熙胖
赵国磊
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Zhengzhou Xinda Jiean Information Technology Co Ltd
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Zhengzhou Xinda Jiean Information Technology Co Ltd
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Abstract

The invention relates to a method and a system for improving the safety of the voice communication of a mobile terminal system based on a safety micro secure digital (TF) card. The method comprises the following steps of: determining session keys for encrypting and decrypting voice data in an out-of-band mode, during issuance of the safety TF card to a user, directly generating the session keys, and storing the session keys into the safety TF card; during initiation of the voice communication, processing voice communication contents through a voice communication processing component of a mobile terminal, calling an encryption component by using the session keys to encrypt a voice data stream, and then sending the voice data stream to a voice communication server; and after the voice communication server receives the voice data stream which is sent by the mobile terminal, performing different processing according to a destination calling address in the voice data stream. By the invention, the encryption and decryption operation of the voice communication can be realized, the security of information in the transmission process of the voice communication is strongly guaranteed, and even if a malicious third party in the transmission process intercepts the voice communication data stream, the real content of the voice communication data stream cannot be really obtained.

Description

Method and system based on the enhancing mobile terminal system voice communication fail safe of safety TF card
Technical field
The present invention relates to a kind of secure voice communication means, particularly a kind of method and system of the enhancing mobile terminal system voice communication fail safe based on safety TF card.
Background technology
Voice communication is one of mobile terminal system critical function that can possess, and voice communication is people's the most often contact and functions of using in daily life, work and study.Through it, people can exchange various information timely, clear, accurately, plumply.There is a great deal of meeting to relate to people's various privacies or secret sensitive information in these information.Simultaneously, because the function of voice communication that mobile terminal system provided is to be based upon on the basis of radio communication, and wireless channel is more easily by the illegal intercepting eavesdropping of malice third party institute.
How on the basis of existing voice communication service, the fail safe that strengthens mobile terminal system (like mobile phone etc.) voice communication becomes common care of people and urgent problem.And described be smart card class password product and portable terminal cryptographic service module based on safety TF card by Zhengzhou Xinda Jiean Information Technology Co., Ltd.'s independent development.It is the password card that has adopted Micro SD (being TF) interface, and built-in Flash memory module can provide cryptographic service (encryption and decryption, summary, mathematics signature etc.) and safe storage for the equipment with TF interface.Described is a kind of TF smart card based on safety TF card, uses it can support this realization based on the method for the enhancing mobile terminal system voice communication fail safe of safety TF card.
Summary of the invention
The objective of the invention is to is providing a kind of method and system that under the support of safety TF card, realize based on the enhancing mobile terminal system voice communication fail safe of safety TF card on the basis of the mobile terminal system existing voice communication technology.According to present case; Most of mobile terminal devices can be supported Micro SD (being TF) card; Through TF card safe in utilization; And the method that proposes among combination the present invention, can use the security module of safe TF card as mobile terminal device, thereby for to the processing of voice communication corresponding cryptographic service being provided.
The objective of the invention is to realize like this:
A kind of method of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that:
Step 1, through confirming to be used for the session key of speech data encryption and decryption with outer mode, direct generation session key and depositing in the safe TF card when providing safe TF card for the user;
Step 2, when initiating voice communication, voice communication content uses session key to call encrypted component via the voice communication processing components of portable terminal and sends to the voice communications services device after to the speech data stream encryption;
Step 3, voice communications services device are done different processing according to the purpose call address in the audio data stream after receiving the audio data stream that portable terminal sends.
From the needs to effective management of key, each mobile terminal system only keeps the session key between itself and the voice communications services device.
In step 1; Said speech data form is made up of purpose portable terminal number and actual speech data content two parts; If the call intent number itself is exactly the address of this voice communications services device self, then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
In step 3,, then self handle by the voice communications services device if the purpose portable terminal number is exactly the address of this voice communications services device self; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
Also comprise: step 4, after the voice communication processing components of portable terminal is received the audio data stream that the voice communications services device sends, use session key to call decryption component and play to the user through terminal system again after to the speech data deciphering.
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.
A kind of system of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that, comprising:
Safe TF card is used to deposit in session key, and said session key directly generates during safe TF card for the user provides; Portable terminal is used for when initiating voice communication, and voice communication content uses session key to call encrypted component through the voice communication processing components and sends to the voice communications services device after to the speech data stream encryption; And the voice communications services device, be used for after receiving the audio data stream that portable terminal is sent, do different processing according to the purpose call address in the audio data stream.
Said speech data form is made up of purpose portable terminal number and actual speech data content two parts, itself is exactly the address of this voice communications services device self as if the call intent number, and then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
Said voice communications services device is further used for: if the purpose portable terminal number is exactly the address of this voice communications services device self, then self handled by the voice communications services device; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.
The present invention has following good effect: the present invention is applied to strengthen mobile terminal system voice communication fail safe with safe TF card.Through TF card safe in utilization, and the method that proposes among combination the present invention, can realize encryption and decryption operation to voice communication.Thereby ensured the confidentiality of the information of voice communication in transmission course forcefully.Also can't actually crack its true content even make malice third party in the transmission course intercept and capture this voice communication data stream.
Description of drawings
Fig. 1 is a basic sketch map of the present invention.
Fig. 2 is the mobile terminal system sketch map that strengthens the voice communication fail safe of the present invention.
Fig. 3 is the voice communications services device sketch map that increases secure voice communication process assembly of the present invention.
Embodiment
The invention discloses a kind of method of the enhancing mobile terminal system voice communication fail safe based on safety TF card.This safety certifying method comprises that TF card safe in utilization increases as the cryptographic service module, in the voice communication processing section of mobile terminal system the encryption and decryption processing components of audio data stream and calling and increase by three steps of secure voice communication process assembly at voice communications services device end assembly.Basic sketch map is like Fig. 1,2, shown in 3.
Embodiment 1, and a kind of method of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that:
Step 1, through confirming to be used for the session key of speech data encryption and decryption with outer mode, direct generation session key and depositing in the safe TF card when providing safe TF card for the user;
Step 2, when initiating voice communication, voice communication content uses session key to call encrypted component via the voice communication processing components of portable terminal and sends to the voice communications services device after to the speech data stream encryption;
Step 3, voice communications services device are done different processing according to the purpose call address in the audio data stream after receiving the audio data stream that portable terminal sends.
Embodiment 2, and a kind of method of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that:
Step 1, through confirming to be used for the session key of speech data encryption and decryption with outer mode, direct generation session key and depositing in the safe TF card when providing safe TF card for the user;
Step 2, when initiating voice communication, voice communication content uses session key to call encrypted component via the voice communication processing components of portable terminal and sends to the voice communications services device after to the speech data stream encryption;
Step 3, voice communications services device are done different processing according to the purpose call address in the audio data stream after receiving the audio data stream that portable terminal sends.
From the needs to effective management of key, each mobile terminal system only keeps the session key between itself and the voice communications services device.
In step 1; Said speech data form is made up of purpose portable terminal number and actual speech data content two parts; If the call intent number itself is exactly the address of this voice communications services device self, then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
In step 3,, then self handle by the voice communications services device if the purpose portable terminal number is exactly the address of this voice communications services device self; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
Embodiment 3, and a kind of method of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that:
Step 1, through confirming to be used for the session key of speech data encryption and decryption with outer mode, direct generation session key and depositing in the safe TF card when providing safe TF card for the user;
Step 2, when initiating voice communication, voice communication content uses session key to call encrypted component via the voice communication processing components of portable terminal and sends to the voice communications services device after to the speech data stream encryption;
Step 3, voice communications services device are done different processing according to the purpose call address in the audio data stream after receiving the audio data stream that portable terminal sends.
From the needs to effective management of key, each mobile terminal system only keeps the session key between itself and the voice communications services device.
In step 1; Said speech data form is made up of purpose portable terminal number and actual speech data content two parts; If the call intent number itself is exactly the address of this voice communications services device self, then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
In step 3,, then self handle by the voice communications services device if the purpose portable terminal number is exactly the address of this voice communications services device self; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
Also comprise: step 4, after the voice communication processing components of portable terminal is received the audio data stream that the voice communications services device sends, use session key to call decryption component and play to the user through terminal system again after to the speech data deciphering.
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.
A kind of system of the enhancing mobile terminal system voice communication fail safe based on safety TF card is characterized in that, comprising:
Safe TF card is used to deposit in session key, and said session key directly generates during safe TF card for the user provides; Portable terminal is used for when initiating voice communication, and voice communication content uses session key to call encrypted component (promptly calling the session key in the said safe TF card) through the voice communication processing components and sends to the voice communications services device after to the speech data stream encryption; And the voice communications services device, be used for after receiving the audio data stream that portable terminal is sent, do different processing according to the purpose call address in the audio data stream.
Said speech data form is made up of purpose portable terminal number and actual speech data content two parts, itself is exactly the address of this voice communications services device self as if the call intent number, and then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
Said voice communications services device is further used for:
If the purpose portable terminal number is exactly the address of this voice communications services device self, then self handle by the voice communications services device; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.

Claims (10)

1. method based on the enhancing mobile terminal system voice communication fail safe of safety TF card is characterized in that:
Step 1, through confirming to be used for the session key of speech data encryption and decryption with outer mode, direct generation session key and depositing in the safe TF card when providing safe TF card for the user;
Step 2, when initiating voice communication, voice communication content uses session key to call encrypted component via the voice communication processing components of portable terminal and sends to the voice communications services device after to the speech data stream encryption;
Step 3, voice communications services device are done different processing according to the purpose call address in the audio data stream after receiving the audio data stream that portable terminal sends.
2. the method for the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 1 is characterized in that:
From the needs to effective management of key, each mobile terminal system only keeps the session key between itself and the voice communications services device.
3. the method for the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 1 is characterized in that:
In step 1; Said speech data form is made up of purpose portable terminal number and actual speech data content two parts; If the call intent number itself is exactly the address of this voice communications services device self, then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
4. the method for the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 3 is characterized in that:
In step 3,, then self handle by the voice communications services device if the purpose portable terminal number is exactly the address of this voice communications services device self; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
5. the method for the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 1 is characterized in that, also comprises:
Step 4 after the voice communication processing components of portable terminal is received the audio data stream that the voice communications services device sends, is used session key to call decryption component and is played to the user through terminal system again after to the speech data deciphering.
6. according to the method for the described enhancing mobile terminal system voice communication fail safe based on safety TF card of claim 1, it is characterized in that:
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.
7. the system based on the enhancing mobile terminal system voice communication fail safe of safety TF card is characterized in that, comprising: safe TF card, be used to deposit in session key, and said session key directly generates during safe TF card for the user provides; Portable terminal is used for when initiating voice communication, and voice communication content uses session key to call encrypted component through the voice communication processing components and sends to the voice communications services device after to the speech data stream encryption; And the voice communications services device, be used for after receiving the audio data stream that portable terminal is sent, do different processing according to the purpose call address in the audio data stream.
8. the system of the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 7 is characterized in that:
Said speech data form is made up of purpose portable terminal number and actual speech data content two parts, itself is exactly the address of this voice communications services device self as if the call intent number, and then the purpose portable terminal number still is the number of voice communications services device; If the call intent number is the terminal number of other portable terminal, then the purpose portable terminal number be the number of that portable terminal of reality.
9. the system of the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 8 is characterized in that said voice communications services device is further used for:
If the purpose portable terminal number is exactly the address of this voice communications services device self, then self handle by the voice communications services device; If the purpose portable terminal number is other terminal number, then earlier with current session key deciphering, and then the pairing session key of application target terminal number is done forwarding corresponding target terminal after the encryption to the voice communications services device with this speech data content.
10. the system of the enhancing mobile terminal system voice communication fail safe based on safety TF card according to claim 7 is characterized in that:
Said safe TF card is a kind of safe and intelligent TF card class password product; Safe and intelligent TF card is selected crypto chip, SD controller and Flash for use and is packaged together; The interface packing forms is TF; Safe TF card is supported symmetry, asymmetric cryptographic algorithm and digest algorithm, and the storage user certificate is used for user identity identification, the safe storage of safety control strategy and corresponding security algorithm and user's important information and Transaction Information is provided; Safe TF card provides corresponding calling interface storehouse for the corresponding mobile terminal system, and mobile terminal system is realized the operation to safety TF card through these interface libraries.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104144051A (en) * 2014-07-24 2014-11-12 上海斐讯数据通信技术有限公司 Remote voice encryption and decryption method
CN106604273A (en) * 2016-12-23 2017-04-26 成都三零嘉微电子有限公司 Mobile phone voice encrypted communication method based on secure voice SOC chip
US10638311B2 (en) 2015-04-30 2020-04-28 Huawei Technologies Co., Ltd. Communication method for mobile terminal and mobile terminal

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN102209318A (en) * 2011-05-18 2011-10-05 武汉天喻信息产业股份有限公司 Real-time mobile phone encrypted conversation method and device based on intelligent TF (Transflash) card
CN102238194A (en) * 2011-08-10 2011-11-09 郑州信大捷安信息技术股份有限公司 Secure-transflash (TF)-card-based security authentication method and system for Internet banking remote payment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102209318A (en) * 2011-05-18 2011-10-05 武汉天喻信息产业股份有限公司 Real-time mobile phone encrypted conversation method and device based on intelligent TF (Transflash) card
CN102238194A (en) * 2011-08-10 2011-11-09 郑州信大捷安信息技术股份有限公司 Secure-transflash (TF)-card-based security authentication method and system for Internet banking remote payment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104144051A (en) * 2014-07-24 2014-11-12 上海斐讯数据通信技术有限公司 Remote voice encryption and decryption method
CN104144051B (en) * 2014-07-24 2018-04-06 上海斐讯数据通信技术有限公司 A kind of remote speech encipher-decipher method
US10638311B2 (en) 2015-04-30 2020-04-28 Huawei Technologies Co., Ltd. Communication method for mobile terminal and mobile terminal
CN106604273A (en) * 2016-12-23 2017-04-26 成都三零嘉微电子有限公司 Mobile phone voice encrypted communication method based on secure voice SOC chip

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