CN2713753Y - Encryption telephone and telephone service system thereof - Google Patents
Encryption telephone and telephone service system thereof Download PDFInfo
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- CN2713753Y CN2713753Y CN 200420073101 CN200420073101U CN2713753Y CN 2713753 Y CN2713753 Y CN 2713753Y CN 200420073101 CN200420073101 CN 200420073101 CN 200420073101 U CN200420073101 U CN 200420073101U CN 2713753 Y CN2713753 Y CN 2713753Y
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Abstract
The utility model discloses an enciphered telephony, comprising at least a dialing keyboard, a master control circuit, a dtmf pulsing circuit and an enciphered module. The enciphered module enciphers the business mutual information, and then sends the information to the telephone network. The utility model also discloses a phone service system, comprising telephone and business service center, use the enciphered telephony, and increase a decrypt module in the business service center. The decrypt module proceeds service treatment for the business mutual information after the information is decrypted. Apply the utility model, can ensure the security and the confidentiality for the user to use the public telephone network, the utility model is easily realized, it has better commonality, controllable cost and easy use, the utility model is convenient to extend.
Description
Technical field
The utility model relates to the realization technology of telephone service business, particularly a kind of scrambler phone and telephony service system thereof.
Background technology
Along with the development of telecommunications, many telephone service business have appearred, for example: telephone banking, phone stock exchange business or the like.The user uses telephone set to carry out business, and common business procedure may further comprise the steps:
1, the user power utilization phone inserts telephone service service centre by calling the business service sign indicating number.
2, the user is according to the voice suggestion input account number or the service interaction information such as card number and corresponding password of telephony service system.These information are transferred to telephone service service centre by telephone wire.
3, the user is undertaken finishing telephone service alternately by telephone set and telephone service service centre.
When using telephone set to carry out these operations, the account number of user's input or service interaction information such as card number and corresponding password, very important often information for the owner, can not reveal easily, and in the transmission of public phone network, safety of data is a very important difficult point.
Referring to Fig. 1, Fig. 1 is a prior art telephone structure schematic diagram.This telephone set mainly comprises: main control circuit 100, Dual Tone Multifrequency dial-up circuit 103, signal receiving circuit 104, speech treatment circuit 105, telephone transmitter 106, receiver 107, dialing keyboard 108, the telephone set that has also comprise display 109.Wherein, governor circuit 100 is normally realized by the Single Chip Microcomputer (SCM) system that comprises microprocessor 101 and memory 102.
When telephone service, the user is by dialing keyboard 108 incoming traffic service centre telephone numbers, and main control circuit 100 sends to telephone network with this number by DTMF pulsing circuit 103.The signal that signal receiving circuit 104 receiving telephone networks are sent, as: signals such as dialing tone, busy tone, ring-back tone send to governor circuit 100 and export to the user by speech treatment circuit 105 by receiver 107.
After connecting the business service center, service center sends voice suggestion user incoming traffic interactive information, voice suggestion sends to telephone set by telephone network, and telephone set is that earphone or loudspeaker are exported to the user by receiver 107 after voice suggestion is handled by speech treatment circuit 105.
The user uses dialing keyboard 108 input account numbers or service interaction information such as card number and corresponding password according to voice suggestion, microprocessor 101 sends to DTMF pulsing circuit 103 with service interaction information, and DTMF pulsing circuit 103 is that touch-tone signal sends to telephone network with the service interaction information translation.
Display 109 can be used for showing Outgoing Number, dials in number, service interaction information of input, function selecting interface etc.
Service interaction information sends to telephone service service centre by telephone network, and telephone service service centre carries out Business Processing according to the service interaction information that receives.
Referring to Fig. 2, Fig. 2 is a prior art telephone service service centre structural representation.It mainly comprises a plurality of voice modems 201, front end processor 202 and the internal network 203 that carries out data processing.Wherein, voice modem 201 is used for the conversion of audio signal and business datum, will be converted to business datum from the audio signal that the external electric phone network receives and send to front end processor 202.Front end processor 202 is used to connect external network and internal network, the preliminary treatment of concluding the business, the data protocol that external network is connected converts the data protocol that internal network needs to, and undelegated and improper transaction is isolated, and plays the safe buffer action of fire compartment wall simultaneously.
When telephone service, the audio signal of the service interaction information that voice modem (MODEM) 201 will receive from telephone network is converted to digital signal and sends to front end processor 202.The service interaction information that front end processor 202 will be converted to digital signal sends to internal network, carries out Business Processing.
At present, when using existing ordinary telephone set to carry out this service interaction, often adopt the mode of analog encryption, be exactly that the recipient is the user need key in the key business interactive information on telephone set when, send out a series of mixed and disorderly signals, the dialing tones such as service interaction information that the user is imported on button cover up, and the hash that filtering is sent from information after receiving key message has obtained the true service interaction information of importing of user.
Clearly, this method is still transmitted on the plaintext with user's key business mutual information data on the line in fact, is not fine in fail safe.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of scrambler phone, improves the fail safe of user input data.
Main purpose of the present utility model is to provide a kind of telephony service system, uses this system to carry out the fail safe that telephone service can improve user input data.
Be an aspect that achieves the above object, of the present utility modelly provide a kind of scrambler phone, comprise dialing keyboard, governor circuit, DTMF pulsing circuit at least, described governor circuit comprises microprocessor at least, and this phone further comprises: encrypting module;
Described dialing keyboard sends to the microprocessor of governor circuit with key set code, and this key set code of microprocessor judges is telephone number or service interaction information, and telephone number is sent to the DTMF pulsing circuit, and service interaction information is sent to encrypting module;
Encrypting module returns to microprocessor after service interaction information is encrypted;
Service interaction information after microprocessor will be encrypted sends to the DTMF pulsing circuit;
The DTMF pulsing circuit with telephone number or the service interaction information translation after encrypting be that touch-tone signal sends to telephone network.
Wherein, described encrypting module can be symmetric key encryption module or asymmetric-key encryption module.Described symmetric key encryption module can be the DES/3DES encrypting module; Described asymmetric-key encryption module can be the rsa encryption module.
This phone can further comprise one or more combination in any of FSK modulator-demodulator, IC-card card reader, magnetic strip reader, transaction counter;
Described FSK modulator-demodulator links to each other with microprocessor, and the service interaction information after the encryption that its reception microprocessor sends is that fsk signal sends to telephone network with this information translation;
Described IC-card card reader links to each other with microprocessor by the serial ports of microprocessor or the serial ports of expansion, and microprocessor reads service interaction information by the IC-card card reader, and this service interaction information is sent to encrypting module;
Described magnetic strip reader links to each other with microprocessor, and microprocessor reads service interaction information by magnetic strip reader, and this service interaction information is sent to encrypting module;
Described transaction counter be arranged on microprocessor memory or with memory that microprocessor links to each other in, the transaction business content is carried out record.
Described microprocessor can comprise USB interface, or the microprocessor extensions USB interface.
Be another aspect that achieves the above object, of the present utility modelly provide a kind of telephony service system, comprise phone and business service center, described business service center comprises voice modem, front end processor, internal network at least, and described phone is above-mentioned scrambler phone; Described business service center further comprises the deciphering module that links to each other with front end processor;
The audio signal of the service interaction information that described voice modem will receive from telephone network is converted to digital signal and sends to front end processor;
The service interaction information that front end processor will be converted to digital signal sends to deciphering module;
Deciphering module returns to front end processor after service interaction information is decrypted;
Service interaction information after front end processor will be deciphered sends to internal network, carries out Business Processing, and the result who receives after internal network is handled sends to voice modem.
Described deciphering module can be symmetric key deciphering module or unsymmetrical key deciphering module.Described symmetric key deciphering module can be the DES/3DES deciphering module; Described asymmetric-key encryption module can be the RSA deciphering module.
Described voice modem can be adjusted demodulator or FSK modulator-demodulator for dual-tone multifrequency.
Described scrambler phone can further comprise one or more combination in any of FSK modulator-demodulator, IC-card card reader, magnetic strip reader, transaction counter;
Described FSK modulator-demodulator links to each other with microprocessor, and the service interaction information after the encryption that its reception microprocessor sends is that fsk signal sends to telephone network with this information translation;
Described IC-card card reader links to each other with microprocessor by the serial ports of microprocessor or the serial ports of expansion, and microprocessor reads service interaction information by the IC-card card reader, and this service interaction information is sent to encrypting module;
Described magnetic strip reader links to each other with microprocessor, and microprocessor reads service interaction information by magnetic strip reader, and this service interaction information is sent to encrypting module;
Described transaction counter be arranged on microprocessor memory or with memory that microprocessor links to each other in, the transaction business content is carried out record.
Described microprocessor can comprise USB interface, or the microprocessor extensions USB interface.
As seen from the above technical solutions, this scrambler phone of the present utility model and telephony service system thereof add encrypting module in phone, add deciphering module in telephone service service centre.When carrying out telephone service, directly service interaction information is encrypted by telephone set, service interaction information after the encryption is transferred to the business service center by telephone network, the business service center is decrypted the service interaction information after encrypting, and carries out Business Processing with the service interaction information after the deciphering.Have the following advantages:
(1) is easy to realize.Encryption technology and telephone network mechanics of communication all are mature technique, only need to get final product simply simply improving on existing telephone set.
(2) versatility.Recipient and telephone line are not needed special transformation, only need to increase some decryption devices.
(3) cost is controlled.The encrypting module range of choice is wide, and the range of choice of equipment increases, and the range of choice of price broadens.
(4) easy to use.As using ordinary telephone set to operate, very easy to be easy-to-use.
(5) be convenient to expansion.Encryption device has been arranged, just can expand other application easily, just can make things convenient for not input card number by hand of user such as increasing card reader, the increase USB interface can realize authentication.
Description of drawings
Fig. 1 is a prior art telephone structure schematic diagram;
Fig. 2 is a prior art telephone service service centre structural representation;
Fig. 3 is the scrambler phone structural representation of a preferred embodiment of the utility model;
Fig. 4 is the telephone service service centre structural representation of a preferred embodiment of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
Main thought of the present utility model is to add encrypting module in the phone of the telephony service system that comprises phone and business service center, at the telephone service service centre adding deciphering module of telephony service system.When carrying out telephone service, directly service interaction information is encrypted by telephone set, service interaction information after the encryption is transferred to the business service center by telephone network, the business service center is decrypted the service interaction information after encrypting, and carries out Business Processing with the service interaction information after the deciphering.
Referring to Fig. 3, Fig. 3 is the scrambler phone structural representation of a preferred embodiment of the utility model.This scrambler phone is original except prior art: main control circuit 300, Dual Tone Multifrequency dial-up circuit 303, signal receiving circuit 304, speech treatment circuit 305, telephone transmitter 306, receiver 307, dialing keyboard 308, the display 309, also comprised: frequency shift keying (FSK) modulator-demodulator 310, encrypting module 311, magnetic strip reader 312, IC-card card reader 313.
Wherein, governor circuit 300 is to be realized by the Single Chip Microcomputer (SCM) system that comprises microprocessor 301 and memory 302.
After 311 pairs of service interaction information of encrypting module are encrypted, return to microprocessor 301.The encrypting module 311 of present embodiment can be the symmetric key encryption module, and such as the DES/3DES encrypting module, encrypting module 311 also can be that the asymmetric-key encryption module is such as the rsa encryption module.
Service interaction information after microprocessor 301 will be encrypted sends to DTMF pulsing circuit 303;
FSK modulator-demodulator 310 in the present embodiment scrambler phone links to each other with microprocessor 301, and the service interaction information after the encryption that its reception microprocessor 301 sends is that fsk signal sends to telephone network with this information translation.That is to say that the service interaction information after encrypting in the present embodiment can send to telephone network with dtmf tone frequency signal by DTMF pulsing circuit 303, also can send to telephone network with the FSK audio signal by FSK modulator-demodulator 310.
IC-card card reader 313 in the present embodiment scrambler phone links to each other with microprocessor 301 by the serial ports of microprocessor 301 or the serial ports of expansion, microprocessor 301 also can read service interaction information on the IC-card by IC-card card reader 313, and this service interaction information is sent to encrypting module 311.
In the memory 302 in the present embodiment scrambler phone, be provided with transaction counter, it carries out record to the transaction business content, and transaction counter also can be arranged in the internal storage of microprocessor 301 certainly.
Comprise FSK modulator-demodulator, IC-card card reader, magnetic strip reader, transaction counter in the present embodiment, in fact can only comprise one of them or an above combination in any.For example: only comprise the FSK modulator-demodulator, or only comprise the IC-card card reader, or comprise FSK modulator-demodulator and magnetic strip reader or the like.
When telephone service, the user is by dialing keyboard 308 incoming traffic service centre telephone numbers, and it is telephone number that main control circuit 300 is judged this number, then this number is sent to telephone network by DTMF pulsing circuit 303.The signal that signal receiving circuit 304 receiving telephone networks are sent, as: signals such as dialing tone, busy tone, ring-back tone send to governor circuit 300 and export to the user by speech treatment circuit 305 by receiver 307.
After connecting the business service center, service center sends voice suggestion user incoming traffic interactive information, voice suggestion sends to telephone set by telephone network, and telephone set is that earphone or loudspeaker are exported to the user by receiver 307 after voice suggestion is handled by speech treatment circuit 305.
The user uses dialing keyboard 308 incoming traffic interactive information according to voice suggestion, and what microprocessor 301 was judged input is service interaction information, and this information is sent to encrypting module 311.After 311 pairs of service interaction information of encrypting module are encrypted, return to microprocessor 301.Service interaction information after microprocessor 301 will be encrypted sends to DTMF pulsing circuit 303 or FSK modulator-demodulator 310, is that touch-tone signal or fsk signal send to telephone network with the service interaction information translation after encrypting.
Service interaction information after the encryption sends to telephone service service centre by telephone network, and telephone service service centre carries out Business Processing according to the service interaction information that receives.
Referring to Fig. 4, Fig. 4 is the telephone service service centre structural representation of a preferred embodiment of the utility model.It also comprises a deciphering module 404 that links to each other with front end processor 402 except comprising original a plurality of voice modem 401, front end processor 402 and carrying out the internal network 403 of data processing.
The audio signal of the service interaction information that the voice modem 401 in the present embodiment will receive from telephone network is converted to digital signal and sends to front end processor 402.Voice modem 401 in the present embodiment can also can be the FSK modulator-demodulator for the dual-tone multifrequency modulator-demodulator, can also be realized jointly by dual-tone multifrequency modulator-demodulator and FSK modulator-demodulator.
The service interaction information that front end processor 402 will be converted to digital signal sends to deciphering module 404.
After being decrypted, 404 pairs of service interaction information of deciphering module return to front end processor.Deciphering module 404 in this enforcement can be the symmetric key deciphering module, such as the DES/3DES deciphering module; Deciphering module 404 also can be the unsymmetrical key deciphering module, such as the RSA deciphering module.
Service interaction information after front end processor 402 will be deciphered sends to internal network 403, carries out Business Processing, and the result who receives after internal network is handled sends to voice modem 401.
When telephone service, the audio signal of the service interaction information that voice modem 401 will receive from telephone network is converted to digital signal and sends to front end processor 402.The service interaction information that front end processor 402 will be converted to digital signal sends to deciphering module 404.
After being decrypted, 404 pairs of service interaction information of deciphering module return to front end processor.Service interaction information after front end processor 402 will be deciphered sends to internal network, carries out Business Processing.
After the Business Processing, the business service center sends to scrambler phone with service processing result by telephone network with voice, and the speech treatment circuit of scrambler phone is exported to the user with service processing result by receiver.
By the above embodiments as seen, this scrambler phone of the present utility model and telephony service system thereof, the critical data that can safely the user be keyed on phone is sent to the recipient, guaranteed that the user uses the fail safe and the confidentiality of public phone network, have be easy to realize, good versatility, cost are controlled, easy to use, the advantage being convenient to expand.
Claims (11)
1, a kind of scrambler phone comprises dialing keyboard, governor circuit, DTMF pulsing circuit at least, and described governor circuit comprises microprocessor at least, it is characterized in that, this phone further comprises: encrypting module;
Described dialing keyboard sends to the microprocessor of governor circuit with key set code, and this key set code of microprocessor judges is telephone number or service interaction information, and telephone number is sent to the DTMF pulsing circuit, and service interaction information is sent to encrypting module;
Encrypting module returns to microprocessor after service interaction information is encrypted;
Service interaction information after microprocessor will be encrypted sends to the DTMF pulsing circuit;
The DTMF pulsing circuit with telephone number or the service interaction information translation after encrypting be that touch-tone signal sends to telephone network.
2, scrambler phone as claimed in claim 1 is characterized in that: described encrypting module is symmetric key encryption module or asymmetric-key encryption module.
3, scrambler phone as claimed in claim 2 is characterized in that: described symmetric key encryption module is the DES/3DES encrypting module; Described asymmetric-key encryption module is the rsa encryption module.
4, scrambler phone as claimed in claim 1 is characterized in that, this phone further comprises one or more combination in any of FSK modulator-demodulator, IC-card card reader, magnetic strip reader, transaction counter;
Described FSK modulator-demodulator links to each other with microprocessor, and the service interaction information after the encryption that its reception microprocessor sends is that fsk signal sends to telephone network with this information translation;
Described IC-card card reader links to each other with microprocessor by the serial ports of microprocessor or the serial ports of expansion, and microprocessor reads service interaction information by the IC-card card reader, and this service interaction information is sent to encrypting module;
Described magnetic strip reader links to each other with microprocessor, and microprocessor reads service interaction information by magnetic strip reader, and this service interaction information is sent to encrypting module;
Described transaction counter be arranged on microprocessor memory or with memory that microprocessor links to each other in, the transaction business content is carried out record.
5, as claim 1 or 4 described scrambler phone, it is characterized in that: described microprocessor comprises USB interface, or the microprocessor extensions USB interface.
6, a kind of telephony service system comprises phone and business service center, and described business service center comprises voice modem, front end processor, internal network at least, it is characterized in that: described phone is the described scrambler phone of claim 1; Described business service center further comprises the deciphering module that links to each other with front end processor;
The audio signal of the service interaction information that described voice modem will receive from telephone network is converted to digital signal and sends to front end processor;
The service interaction information that front end processor will be converted to digital signal sends to deciphering module;
Deciphering module returns to front end processor after service interaction information is decrypted;
Service interaction information after front end processor will be deciphered sends to internal network, carries out Business Processing, and the result who receives after internal network is handled sends to voice modem.
7, telephony service system as claimed in claim 6 is characterized in that: described deciphering module is symmetric key deciphering module or unsymmetrical key deciphering module.
8, telephony service system as claimed in claim 7 is characterized in that: described symmetric key deciphering module is the DES/3DES deciphering module; Described asymmetric-key encryption module is the RSA deciphering module.
9, telephony service system as claimed in claim 6 is characterized in that: described voice modem is that dual-tone multifrequency is adjusted demodulator or FSK modulator-demodulator.
10, telephony service system as claimed in claim 6 is characterized in that, described scrambler phone further comprises one or more combination in any of FSK modulator-demodulator, IC-card card reader, magnetic strip reader, transaction counter;
Described FSK modulator-demodulator links to each other with microprocessor, and the service interaction information after the encryption that its reception microprocessor sends is that fsk signal sends to telephone network with this information translation;
Described IC-card card reader links to each other with microprocessor by the serial ports of microprocessor or the serial ports of expansion, and microprocessor reads service interaction information by the IC-card card reader, and this service interaction information is sent to encrypting module;
Described magnetic strip reader links to each other with microprocessor, and microprocessor reads service interaction information by magnetic strip reader, and this service interaction information is sent to encrypting module;
Described transaction counter be arranged on microprocessor memory or with memory that microprocessor links to each other in, the transaction business content is carried out record.
11, as claim 6 or 10 described telephony service system, it is characterized in that: described microprocessor comprises USB interface, or the microprocessor extensions USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073101 CN2713753Y (en) | 2004-07-01 | 2004-07-01 | Encryption telephone and telephone service system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073101 CN2713753Y (en) | 2004-07-01 | 2004-07-01 | Encryption telephone and telephone service system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN2713753Y true CN2713753Y (en) | 2005-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420073101 Expired - Lifetime CN2713753Y (en) | 2004-07-01 | 2004-07-01 | Encryption telephone and telephone service system thereof |
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| CN (1) | CN2713753Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007019791A1 (en) * | 2005-08-12 | 2007-02-22 | Dongsheng Li | Method and device for insuring the security of the electronic signature device |
| CN101242453B (en) * | 2007-02-08 | 2011-07-27 | 联想(北京)有限公司 | A transmission method and system for dual-audio multi-frequency signal |
| CN102611811A (en) * | 2012-04-13 | 2012-07-25 | 北京大学 | Interactive voice response system and method |
| CN103220438A (en) * | 2009-06-23 | 2013-07-24 | 纬创资通股份有限公司 | Method and communication device for information exchange in voice communication system |
| CN103595844A (en) * | 2013-11-15 | 2014-02-19 | 深圳市中兴移动通信有限公司 | Processing method and device for dual-tone multi-frequency number |
-
2004
- 2004-07-01 CN CN 200420073101 patent/CN2713753Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007019791A1 (en) * | 2005-08-12 | 2007-02-22 | Dongsheng Li | Method and device for insuring the security of the electronic signature device |
| CN101242453B (en) * | 2007-02-08 | 2011-07-27 | 联想(北京)有限公司 | A transmission method and system for dual-audio multi-frequency signal |
| CN103220438A (en) * | 2009-06-23 | 2013-07-24 | 纬创资通股份有限公司 | Method and communication device for information exchange in voice communication system |
| CN103220438B (en) * | 2009-06-23 | 2015-06-03 | 纬创资通股份有限公司 | Method and communication device for information exchange in voice communication system |
| CN102611811A (en) * | 2012-04-13 | 2012-07-25 | 北京大学 | Interactive voice response system and method |
| CN103595844A (en) * | 2013-11-15 | 2014-02-19 | 深圳市中兴移动通信有限公司 | Processing method and device for dual-tone multi-frequency number |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140701 Granted publication date: 20050727 |