CN104660408A - Security authentication method and device - Google Patents
Security authentication method and device Download PDFInfo
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- CN104660408A CN104660408A CN201310603269.4A CN201310603269A CN104660408A CN 104660408 A CN104660408 A CN 104660408A CN 201310603269 A CN201310603269 A CN 201310603269A CN 104660408 A CN104660408 A CN 104660408A
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Abstract
The invention is applicable to the technical field of information security, and provides a security authentication method. The security authentication method comprises the following steps: a sound wave communication module receives and transmits acoustic signals and is in acoustic signal communication with the outside world; an acoustic signal processing module processes the acoustic signals, performs speech analysis, and further performs encryption and decryption on trade information in the acoustic signals. According to the security authentication method disclosed by the invention, a security authentication device is connected with external equipment in a sound wave communication mode, the sound wave communication module receives and transmits acoustic signals, and the acoustic signal processing module processes the acoustic signals, performs speech analysis and performs encryption and decryption on the trade information in the acoustic signals, so that the information exchange between the security authentication device and the external equipment is independent of physical connection such as a USB interface, and the security authentication in the online transaction process can be completed.
Description
Technical field
The invention belongs to field of information security technology, particularly relate to a kind of safety certifying method and device.
Background technology
Along with the popularization of Web bank, people handled by Web bank more and more transfer accounts, the business such as payment.In order to ensure the safety of user's fund, need before the trade to carry out authentication to user.At present, using more is USBKey certification, embedded digital certificate and key in USBKey, by USB (Universal Serial Bus, USB) interface and personal computer (Personal Computer, PC) be connected carry out information interaction, when trading password or the biological characteristic of user's input, as the characteristic parameter of sound, after in USBKey and bank server, all certification is passed through, can transaction be completed, this ensure that the fail safe of transaction.
But, transfer of data between USBKey and PC must rely on the physical connections such as USB interface, and in recent years, along with the fast development of mobile terminal, people pass through mobile terminal more and more, as smart mobile phone, panel computer etc., and logging in online banks transacting business, usually these mobile terminals there is no the USB interface of configuration standard, limit USBKey certification application on mobile terminals.
Summary of the invention
The object of the present invention is to provide a kind of safety certifying method, be intended to solve safety certification device in prior art and the problem of external equipment information interaction not configuring USB interface by acoustic communication pattern.
The present invention is achieved in that a kind of safety certifying method, comprising:
Acoustic communication module receives and sends acoustic signals, carries out acoustic signals communicate with the external world;
Acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals.
Another object of the present invention is to provide a kind of transaction authentication device, comprising:
Acoustic communication module, for receiving and sending acoustic signals, carries out acoustic signals with the external world and communicates;
Acoustic signals processing module, for carrying out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals;
Display module, for showing the Transaction Information after deciphering, confirms for user.
In the present invention, safety certification device is connected with acoustic communication pattern with external equipment, acoustic communication module receives and sends acoustic signals, acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, encryption and decryption process is carried out to the Transaction Information in acoustic signals, when making the information interaction between safety certification device and external equipment not rely on the physical connections such as USB interface, complete safety certification during online transaction.
Accompanying drawing explanation
Fig. 1 is the system block diagram that a kind of safety certifying method of providing of the embodiment of the present invention one is suitable for;
Fig. 2 is the realization flow figure of a kind of safety certifying method that the embodiment of the present invention two provides;
Fig. 3 is that a kind of safety certifying method of providing of the embodiment of the present invention two is to the specific implementation flow chart of the process of sound wave buying signals;
Fig. 4 is that a kind of safety certifying method of providing of the embodiment of the present invention two is to the specific implementation flow chart of the process of voice operating signal;
Fig. 5 is the specific implementation flow chart of a kind of safety certifying method of providing of the embodiment of the present invention two to the process of the Transaction Information after encryption;
Fig. 6 is the structured flowchart of a kind of safety certification device that the embodiment of the present invention three provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, safety certification device is connected with acoustic communication pattern with external equipment, acoustic communication module receives and sends acoustic signals, acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, encryption and decryption process is carried out to the Transaction Information in acoustic signals, when making the information interaction between safety certification device and external equipment not rely on the physical connections such as USB interface, complete safety certification during online transaction.
embodiment one:
The system block diagram that a kind of safety certifying method that Fig. 1 shows the embodiment of the present invention to be provided is suitable for, for convenience of explanation, only illustrates part related to the present embodiment.
As shown in Figure 1, this system block diagram comprises safety certification device 10, external equipment 20 and bank server 30.After legal identity by installation authenticate device 10 authentication of users, Transaction Information is sent to by the external equipment 20 having installed Web bank's client installs authenticate device 10, after user confirms, the Transaction Information of signature is sent to bank server 30 by the network of external equipment 20 and completes transaction by safety certification device 10.
Particularly, safety certification device 10 comprises supply module 101, acoustic signals processing module 102, display module 103 and acoustic communication module 104.
Supply module 101 is connected with acoustic signals processing module 102, display module 103 and acoustic communication module 104, at least comprises battery and battery detection circuit, for each module provides working power.Battery but be not limited to disposable button cell, charged lithium cells, when battery is charged lithium cells, also comprises charging and battery protecting circuit in supply module 101, protection during charging and discharge and recharge for battery; Voltage detecting circuit is for detecting cell voltage, determining present battery type and switch power supply circuits etc.
Acoustic signals processing module 102 is connected with display module 103 and acoustic communication module 104, includes but not limited to signal transacting submodule, speech analysis submodule and security algorithm submodule, for the treatment of voice signal.
Particularly, signal transacting submodule comprises the function such as coding/decoding, modulating/demodulating, analog-to-digital conversion/digital-to-analogue conversion, filtering, amplification, characteristic parameter extraction to acoustic signals, carries out preliminary treatment to the acoustic signals sent or receive.Coded system includes but not limited to the coded systems such as bipolarity NRZ, unipolarity NRZ, bipolarity NRZ, unipolarity NRZ and Manchester code.Modulation system at least comprises the one in amplitude shift keying, frequency shift keying, phase shift keying.The characteristic parameter of extraction, for extracting the feature of user speech operation signal, is sent to realization character parameter in speech analysis submodule and stores and analyze, to perform the operational order comprised in voice operating signal by characteristic parameter extraction.Security algorithm submodule comprises functions such as the encryption and decryption process of Transaction Information, improves fail safe.
Display module 103 can be the one in LCDs and electronic display, for showing the Transaction Information needing user to confirm, controls its displaying contents and show state by the control unit in signal transacting submodule.
Acoustic communication module 104, for the conversion between acoustic signals and the signal of telecommunication, realizes transmission and the reception of acoustic signals.Wherein, comprise sound wave and send submodule and acoustic receiver submodule, sound wave sends submodule and comprises the electroacoustic transducers such as piezoelectric ceramic wafer, piezoelectric ceramic piezo, loudspeaker, sends acoustic signals and export suggestion voice etc. for external device; Acoustic receiver submodule comprises the acoustoelectric sensors such as microphone, for receiving the acoustic signals and the voice operating signal etc. of user that external equipment sends.The frequency of acoustic signals can cover tens hertz of scopes to tens megahertzes.
embodiment two:
Fig. 2 shows the realization flow of a kind of safety certifying method that the embodiment of the present invention two provides, and details are as follows:
Before using Web bank to pay, bank is that user provides only for the safety certification device of this user, as USBKey, saves digital certificate and trading password in this safety certification device.In process of exchange, this safety certification device is connected with the external equipment having installed Web bank's client, trading password is after this safety certification device certification is passed through, and the Transaction Information after signature is sent to bank server by external equipment by this safety certification device, just can complete transaction.
In step s 201, acoustic communication module receives and sends acoustic signals, carries out acoustic signals communicate with the external world.
In embodiments of the present invention, safety certification device is connected with external equipment with acoustic communication pattern, realizes the information interaction of safety certification device and terminal equipment.Carry out communicating in the mode of acoustic communication and refer to the data message needing to send through specifically processing, then sent by channel of acoustic wave, after recipient receives, through the inverse process of correspondence, get data message wherein, thus reach the object of information interaction.The device sending and receive acoustic signals can be loudspeaker and microphone etc., describes in detail in subsequent step the processing procedure of data message.
Acoustic communication pattern eliminates the physical interface between safety certification device and external equipment, thus safety certification device can be applied to and not configure on the mobile terminal of USB interface, meanwhile, user is also facilitated to check the Transaction Information of display screen display on safety certification device.
In step S202, acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals.
User is at Web bank's client input password, for the consideration of safety factor, external equipment is first by the password encryption of user's input, then through signal transacting, signal transacting comprises: coding, modulation, digital-to-analogue conversion, filtering and amplification etc., sent by voice signal eventually through electroacoustic transducers such as loudspeaker, the frequency range at voice signal place can from tens hertz to tens megahertzes.In embodiments of the present invention, safety certification device receives the sound wave buying signals that external equipment sends in identical frequency range, and the password obtained wherein is used for the authentication to user.
As one embodiment of the present of invention, to the process of sound wave buying signals as shown in Figure 3, idiographic flow is as follows:
In S301, signal transacting submodule carries out preliminary treatment to the sound wave buying signals that described acoustic communication module receives, and preliminary treatment comprises: amplification, filtering, analog-to-digital conversion, demodulation code, the Transaction Information wherein comprised.
In embodiments of the present invention, sound wave buying signals is received by acoustoelectric sensors such as microphones, and after sound wave buying signals is converted to the signal of telecommunication, signal transacting submodule performs the inverse process of above-mentioned signal processing, comprise: amplification, filtering, analog-to-digital conversion, demodulation code etc., preliminary treatment is carried out to sound wave Transaction Information.
In S302, security algorithm submodule is decrypted the Transaction Information obtained, and confirms for user.
And then by security algorithm submodule, through corresponding decipherment algorithm process, password wherein is finally got to the Transaction Information obtained, with the codon pair ratio prestored, judge that whether the user of current operation is the validated user of this safety certification device.Judge that the user of current operation is as after validated user, this safety certification device could be used to carry out the subsequent step of online transaction, otherwise this safety certification device normally cannot use.
Safety certification device judges that the user of current operation is as after validated user, feeds back to Web bank's client by the result by channel of acoustic wave, and then this user can fill in Transaction Information.Transaction Information in sound wave buying signals can also be the information such as beneficiary account in transfer procedure and transfer amounts, when also can be shopping online, and trade name, quantity that user buys and need the information such as payment.After user fills in Transaction Information, these information are converted to sound wave buying signals and are transferred to safety certification device by external equipment, and transfer process is identical with the above-mentioned process by password.Correspondingly, safety certification device carries out certification by channel of acoustic wave reception sound wave buying signals.The verification process of Transaction Information in safety certification device is also referred to as signature process.In order to improve fail safe further, before Transaction Information signature, need safety certification device to user feedback Transaction Information to be signed.
Further, display module display, through the Transaction Information of described security algorithm submodule deciphering, confirms for user.User indicates safety certification device by phonetic order, and phonetic order includes but not limited to " confirmation ", " cancellation ", the operation such as " above turning over " and " under turn over ".
As one embodiment of the present of invention, to the process of voice operating signal as shown in Figure 4, idiographic flow is as follows:
In S401, signal transacting submodule extracts the characteristic parameter of the voice operating signal that described acoustic communication module receives.
In embodiments of the present invention, because the 3rd voice signal is sent by user, safety certification device has different to the process of voice operating signal from the process of the sound wave buying signals sent external equipment, voice operating signal is amplified, after the process such as filtering and analog-to-digital conversion, signal transacting submodule extracts the characteristic parameter of voice operating signal, characteristic parameter includes but not limited to one or more the combination wherein such as Mel frequency cepstral coefficient (Mel FrequencyCepstrum Coefficient, MFCC) and differential coefficient.Safety certification device can realize different disposal to voice signal according to the transaction step channel of acoustic wave that automatically switches.
In S402, speech analysis submodule contrasts the described characteristic parameter extracted and preset characteristic parameter, to perform the confirmation instruction for described Transaction Information comprised in described voice operating signal.
The characteristic parameter of the various phonetic order of safety certification device typing in advance, in the process of use safety authenticate device, the characteristic parameter of the characteristic parameter of said extracted and the phonetic order of preservation contrasts by speech analysis submodule.If comparing result conforms to, then perform corresponding phonetic order.In embodiments of the present invention, if voice operating signal is " confirmation " phonetic order, then Transaction Information is signed.In addition, if voice operating signal is " cancellation ", then process of exchange is stopped; If Transaction Information needs multi-screen could show completely, voice operating signal can also comprise " above turning over " and " under turn over " etc.
User confirms Transaction Information by phonetic order, instead of the operation that manual button confirms, uses more convenient.
After user confirms Transaction Information, Transaction Information is fed back to external equipment and carry out online transaction, as one embodiment of the present of invention, as shown in Figure 5, idiographic flow is as follows:
In S501, security algorithm submodule is encrypted the Transaction Information after confirmation.
In S502, signal transacting submodule carries out preliminary treatment to the Transaction Information after encryption, and preliminary treatment comprises coding, modulation, digital-to-analogue conversion, filtering and amplification, and the acoustic signals of formation is sent by described acoustic communication module.
Transaction Information after encryption is carried out preliminary treatment by signal transacting submodule, pretreated process is that docking quiets down the pretreated inverse process of ripple buying signals, then by acoustic communication module, the network that the Transaction Information of signature is connected by external equipment is sent to bank server, after bank server confirms, completes online transaction.
In embodiments of the present invention, safety certification device is connected with acoustic communication pattern with external equipment, acoustic communication module receives and sends acoustic signals, acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, encryption and decryption process is carried out to the Transaction Information in acoustic signals, when making the information interaction between safety certification device and external equipment not rely on the physical connections such as USB interface, complete safety certification during online transaction.
embodiment three:
Fig. 6 shows the structured flowchart of a kind of safety certification device that the embodiment of the present invention three provides, and this device can be arranged in the safety certificate equipment such as USBkey and electronic cipher device, for performing a kind of safety certifying method described in Fig. 2 to Fig. 5 embodiment of the present invention.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 6, this device comprises:
Acoustic communication module 61, receives and sends acoustic signals, carrying out acoustic signals communicate with the external world.
Acoustic signals processing module 62, carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals.
Display module 63, the Transaction Information after display deciphering, confirms for user.
Alternatively, described acoustic signals processing module 62 comprises:
Security algorithm submodule, is decrypted the Transaction Information in acoustic signals and is encrypted the Transaction Information after confirming.
Signal transacting submodule, the sound wave buying signals receive acoustic communication module and the Transaction Information after encrypting carry out preliminary treatment, and extract the characteristic parameter of the voice operating signal that acoustic communication module receives.
Speech analysis submodule, the characteristic parameter provide signal transacting submodule and preset characteristic parameter contrast, to perform the confirmation instruction for described Transaction Information comprised in described voice operating signal.
Alternatively, described signal transacting submodule comprises:
Pretreatment unit, preliminary treatment is carried out to described sound wave buying signals, preliminary treatment comprises: amplification, filtering, analog-to-digital conversion, demodulation code, the Transaction Information wherein comprised, and preliminary treatment is carried out to the Transaction Information encrypted through security algorithm submodule, preliminary treatment comprises coding, modulation, digital-to-analogue conversion, filtering and amplification.
Extraction unit, extracts the characteristic parameter of voice operating signal.
Control unit, controls the operating state of described display module.
Alternatively, described speech analysis submodule also comprises:
Signal memory cell, stores the characteristic parameter of the confirmation instruction for Transaction Information.
Signal contrast unit, the characteristic parameter provide described signal transacting submodule and the described characteristic parameter of storage contrast.
Alternatively, described device also comprises:
Supply module, for providing working power for acoustic communication module, acoustic signals processing module and display module.
In embodiments of the present invention, safety certification device is connected with acoustic communication pattern with external equipment, acoustic communication module receives and sends acoustic signals, acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, encryption and decryption process is carried out to the Transaction Information in acoustic signals, when making the information interaction between safety certification device and external equipment not rely on the physical connections such as USB interface, complete safety certification during online transaction.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a safety certifying method, is characterized in that, described method comprises:
Acoustic communication module receives and sends acoustic signals, carries out acoustic signals communicate with the external world;
Acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals.
2. the method for claim 1, is characterized in that, described acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process comprise the Transaction Information in acoustic signals:
Signal transacting submodule carries out preliminary treatment to the sound wave buying signals that described acoustic communication module receives, and preliminary treatment comprises: amplification, filtering, analog-to-digital conversion, demodulation code, the Transaction Information wherein comprised;
Security algorithm submodule is decrypted the Transaction Information obtained, and confirms for user.
3. the method for claim 1, is characterized in that, described acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process comprise the Transaction Information in acoustic signals:
Signal transacting submodule extracts the characteristic parameter of the voice operating signal that described acoustic communication module receives;
Speech analysis submodule contrasts the described characteristic parameter extracted and preset characteristic parameter, to perform the confirmation instruction for described Transaction Information comprised in described voice operating signal.
4. method as claimed in claim 2, it is characterized in that, described acoustic signals processing module carries out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process comprise the Transaction Information in acoustic signals:
Security algorithm submodule is encrypted the Transaction Information after confirmation;
Signal transacting submodule carries out preliminary treatment to the Transaction Information after encryption, and preliminary treatment comprises coding, modulation, digital-to-analogue conversion, filtering and amplification, and the acoustic signals of formation is sent by described acoustic communication module.
5. method as claimed in claim 2, it is characterized in that, described method also comprises:
Display module display, through the Transaction Information of described security algorithm submodule deciphering, confirms for user.
6. a safety certification device, is characterized in that, described device comprises:
Acoustic communication module, for receiving and sending acoustic signals, carries out acoustic signals with the external world and communicates;
Acoustic signals processing module, for carrying out signal transacting and speech analysis to acoustic signals, carries out encryption and decryption process to the Transaction Information in acoustic signals;
Display module, for showing the Transaction Information after deciphering, confirms for user.
7. device as claimed in claim 6, it is characterized in that, described acoustic signals processing module comprises:
Security algorithm submodule, for being decrypted the Transaction Information in acoustic signals and being encrypted the Transaction Information after confirming;
Signal transacting submodule, for carrying out preliminary treatment to the described sound wave buying signals of acoustic communication module reception and the Transaction Information after encrypting, and
Extract the characteristic parameter of the voice operating signal that described acoustic communication module receives;
Speech analysis submodule, contrasts for the described characteristic parameter that provided by described signal transacting submodule and preset characteristic parameter, to perform the confirmation instruction for described Transaction Information comprised in described voice operating signal.
8. device as claimed in claim 7, it is characterized in that, described signal transacting submodule comprises:
Pretreatment unit, for carrying out preliminary treatment to described sound wave buying signals, preliminary treatment comprises: amplification, filtering, analog-to-digital conversion, demodulation code, the Transaction Information wherein comprised, and
For carrying out preliminary treatment to the Transaction Information through described security algorithm submodule encryption, preliminary treatment comprises coding, modulation, digital-to-analogue conversion, filtering and amplification;
Extraction unit, for extracting the characteristic parameter of described voice operating signal; Control unit, for controlling the operating state of described display module.
9. device as claimed in claim 6, it is characterized in that, described safety certification device also comprises:
Supply module, for providing working power for described acoustic communication module, described acoustic signals processing module and described display module.
10. device as claimed in claim 7, it is characterized in that, described speech analysis submodule comprises:
Signal memory cell, for storing the characteristic parameter of the confirmation instruction for Transaction Information;
Signal contrast unit, the described characteristic parameter for the characteristic parameter that provided by described signal transacting submodule and storage contrasts.
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| CN201310603269.4A CN104660408A (en) | 2013-11-25 | 2013-11-25 | Security authentication method and device |
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| CN201310603269.4A CN104660408A (en) | 2013-11-25 | 2013-11-25 | Security authentication method and device |
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| CN106911658A (en) * | 2016-06-07 | 2017-06-30 | 阿里巴巴集团控股有限公司 | The transmission method of data, data sending terminal, data receiver and system |
| CN108471698A (en) * | 2018-04-10 | 2018-08-31 | 贵州理工学院 | A kind of signal handling equipment and processing method |
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