CN105099682A - Method for communicating security certificate device with peripheral, security certificate device, and conversion device - Google Patents
Method for communicating security certificate device with peripheral, security certificate device, and conversion device Download PDFInfo
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Abstract
The invention discloses a method for communicating a security certificate device with a peripheral, a security certificate device, and a conversion device. The method comprises that the security certificate device receives an acoustic signal broadcasted by the peripheral, converts the acoustic signal into digital information, performs corresponding security certificate operation on the content of the digital information, and converts a security certificate result into another acoustic signal to be broadcasted to the peripheral. The security certificate device comprises a security certificate module, an acoustic encoding and decoding module, an acoustic output module, and an acoustic receiving module. The conversion device comprises a data transmission interface, an acoustic encoding and decoding module, an acoustic output module, and an acoustic receiving module. The method enables data to be transmitted between the security certificate device and the peripheral via sound and improves user experience.
Description
Technical field
The present invention relates to information security field, the method for particularly safety certificate equipment and peripheral hardware communication, safety certificate equipment and conversion equipment.
Background technology
Sound wave (SoundWave or AcousticWave) is the mode of propagation of sound.Sound wave is a kind of mechanical wave, and vibrated by object (sound source) and produce, the space of Acoustic Wave Propagation is just called sound field.Be a kind of compressional wave when propagating in gas and liquid medium, but may shear wave be mixed with when propagating in solid dielectric.The sound wave frequency that people's ear can be heard is generally between 20 hertz to 20000 hertz.
Sound wave can be understood as the propagation that medium departs from the microvariations of equilibrium state.This communication process is the transmittance process of energy, and the transmission of quality does not occur.If disturbance quantity is smaller, then the transmission of sound wave meets classical wave equation, is linear wave.If disturbance is very large, does not then meet linear ACOUSTIC WAVE EQUATION, there will be the dispersion of ripple, and the generation of shock wave.
Sound wave, as a kind of communication modes, can be subject to the impact of transmission range and external environment.But under the environment that, communication distance less in external environmental interference is nearer, sound wave also can be used as the transmission carrier of data.
Traditional authentication and digital ciphering equipment major part are all carry out communication operation by USB interface and PC equipment, and when being applied to mobile terminal, in view of the disappearance of communication modes, application scenarios is on mobile terminals few.And sound wave communication can solve the problem of traditional identity certification and digital ciphering equipment and mobile terminal communication.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of method of safety certificate equipment and peripheral hardware communication, comprising:
Safety certificate equipment receives the voice signal from peripheral hardware;
Decoding is carried out to the described voice signal from peripheral hardware and obtains digital information;
Security authentication operation is carried out to the digital information that described decoding obtains;
Voice signal is obtained to described security certification result coding;
The voice signal that described coding obtains is exported to peripheral hardware.
On the other hand, present invention also offers a kind of safety certificate equipment being applied to method in claim 1, comprising: security authentication module, sound codec module, acoustic reception module and sound output module;
Described acoustic reception module is for receiving the voice signal from peripheral hardware;
Described sound codec module is used for carrying out decoding to the described voice signal from peripheral hardware and obtains digital information; Also for obtaining voice signal to described security certification result coding;
The digital information that described security authentication module obtains for decoding carries out security authentication operation;
Described voice output module is used for the voice signal that described coding obtains to export to peripheral hardware.
On the other hand, present invention also offers and comprise acoustic reception module, sound codec module, data transmission interface and sound output module;
Described acoustic reception module is for receiving the voice signal from peripheral hardware;
Described sound codec module is used for carrying out decoding to the described voice signal from peripheral hardware and obtains digital information, and described digital information is sent to described data transmission interface; Also for obtaining voice signal to the coding digital information from described data transmission interface;
Described digital information for receiving the digital information from described sound codec module, and is sent to described peripheral hardware by described data transmission interface; Also for receiving the digital information from peripheral hardware, and send it to described sound codec module;
Described voice output module is used for the voice signal that described sound codec module coding obtains to export to described peripheral hardware.
Beneficial effect
Technical scheme in the present invention, using the carrier of sound wave as data communication, completes the communication function with mobile terminals such as mobile phones.By the present invention, the application of data encryption and ID authentication device can be extended to field of mobile terminals.Improve application scenarios and the Consumer's Experience of product widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
In the means of communication of the safety certificate equipment that Fig. 1 provides for the embodiment of the present invention 1 and peripheral hardware, safety certificate equipment adds the schematic diagram of decoding to voice signal;
The means of communication flow chart of the safety certificate equipment that Fig. 2 provides for the embodiment of the present invention 1 and peripheral hardware;
The safety certificate equipment structure chart that Fig. 3 provides for the embodiment of the present invention 2;
The conversion equipment structure chart that Fig. 4 provides for the embodiment of the present invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only section Example of the present invention, instead of whole embodiments.Based on embodiments of the invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
Embodiment 1
The ultrasonic wave of the voice signal behaviour ear None-identified related in the embodiment of the present invention 1 or infrasound signal.Therefore, recorded voice and the equipment played sound are also for recording and play the equipment of ultrasonic signal or infrasound signal.Peripheral hardware is specially the equipment such as computer, mobile terminal with sound report and receiving function.
Special instruction: the embodiment of the present invention 1 is by being loaded with digital-to-analogue/analog-to-digital conversion program in the peripheral hardware of safety certificate equipment and correspondence, thus voice signal is converted to digital information or convert digital information to voice signal.Particularly, as shown in Figure 1, the transmission of voice signal is that the standard sine wave by voice signal being loaded into fixed frequency realizes, and this standard sine wave is called carrier wave.The digit value that the carrier signal of setting one-period is corresponding is 1, then the numeral that the carrier signal in the multiple cycles sent continuously is corresponding is made up of continuous multiple digit value 1 (bit1).That is, Carrier section continues to send the signal that digit value is 1, until there is voice signal to load.Therefore, see table 1, voice signal transmission channel is transmitted always the carrier signal that digit value is 1 before loading.In the transfer process of digital information to voice signal, the voice signal converted transmits owing to finally still will be loaded on carrier wave, therefore, when performing above-mentioned conversion, must consider whether the voice signal after changing can be transmitted channel recognition smoothly and obtain.In view of the digit value that the carrier signal single cycle is corresponding is 1, if the numeral first place that will transmit is 1, then the transmission of signal transmission passage None-identified is carrier signal or voice signal.For this problem, before digital information converts voice signal to, before digital information, be just loaded with the initial header data that first place is 0, as: 0x65,0x45 or 0x41.After this initial header data, just export the voice signal that digital information is converted to.See the declaratives of Fig. 1, in the embodiment of the present invention, have employed 0x65 as initial header data, now, the further part of carrier data 1 is followed successively by Checkbit (0), Bit0 (1), Bit1 (0), Bit2 (1), Bit3 (0), Bit4 (0), Bit5 (1), Bit6 (1), Bit7 (0), what namely transmit successively after carrier wave is the waveform of check digit Checkbit (0) and 0x65 data bit 10100110 correspondence from low to high.Data byte and then frame head sends, and each byte is 9 bit positions.In Fig. 1, the waveform of the voice signal that initial header data 0x65 is corresponding completes according to the rule in table 1.Particularly, the digit value 1 that the previous digit value (bit place value) of initial header data is the carrier signal in the single cycle, the current number place value of initial header data is 0, i.e. check digit 0 (checkbit0), therefore question blank 1, obtain the waveform of waveform into sequence number in table 11 in the single cycle after changing, namely in the single cycle sampled value be on the occasion of half sinusoidal wave; Next, transform acoustical signals is carried out to the first Bit0 (1) of initial header data, now, previous digit value is the value 0 of check digit Checkbit, current corresponding digit value is the value 1 of 0x65 first place (Bit0), question blank 1, obtains the waveform of waveform into sequence number in table 13 in the single cycle after changing, and namely in the single cycle, sampled value is half sine wave of negative value.The conversion process of 0x65 remainder data position bit1-bit7 is so analogized, and all completes with reference to table 1.After the transmission completing initial header data 0x65, continue according to sound signal waveform corresponding to the regular transmission digital information of table 1.In transmitting procedure, if run into, previous digit value is 1, current corresponding digit value is the situation of 1, then be converted to the waveform of sequence number 2 in table 1, namely in the single cycle all in sampled point on the occasion of the sinusoidal waveform that the sampled point of amplitude is identical with the sampling number of negative value amplitude, occupy front half period on the occasion of the sampled point of amplitude in this waveform, the sampled point of negative value amplitude occupy rear half period.If run into, previous digit value is 0, current corresponding digit value is the situation of 0, then be converted to the waveform of sequence number 4 in table 1, namely in the single cycle all in sampled point on the occasion of the sinusoidal waveform that the sampled point of amplitude is identical with the sampling number of negative value amplitude, occupy rear half period on the occasion of the sampled point of amplitude in this waveform, the sampled point of negative value amplitude occupy front half period.All the other digital informations convert the process of sound signal waveform to by that analogy, repeat no more.
Be transformed in the process of digital information by the voice signal obtained according to above-mentioned rule, voice signal is loaded into after on carrier wave, still with carrier cycle is the cycle to receive voice signal, the corresponding data bit of the voice signal received in this one-period.Thus, the signal of sound wave form is converted into continuous print digital value.According to coding rule above, on signal transmission passage, immediately following the waveform that the initial header data remaining corresponding 0x65 after carrier signal is converted to, after this waveform, be only the sound signal waveform that will convert digital information to.Last bit place value of 0x65 is 0, if the oscillogram received in the now single cycle is the waveform of sequence number 3, then question blank 1, obtains the digit value 1 after current conversion; If the oscillogram received in the now single cycle is the waveform of sequence number 4, then question blank 1, obtain the digit value 0 after current conversion.The transfer process of following data bit by that analogy.If the digit value be converted to previous is 1, and the oscillogram received in the single cycle is the waveform of sequence number 1, then question blank 1, obtains the digit value 0 after current conversion; If the digit value be converted to previous is 1, and the oscillogram received in the single cycle is the waveform of sequence number 2, then question blank 1, obtains the digit value 1 after current conversion.Thus, the process that whole voice signal converts digital information to is completed.After frame data are sent completely, transmission channel continues transmission carrier wave.
See Fig. 2, a kind of safety certificate equipment provided for the embodiment of the present invention 1 and the method flow diagram of peripheral hardware communication.The method comprises the following steps:
Step 101, safety certificate equipment receives the voice signal from peripheral hardware.
Peripheral hardware outwards to be played sound signal by loud speaker, and the ultrasonic signal of this voice signal behaviour ear None-identified or infrasound signal are the analoging sound signals be converted to digital information.Described digital information is specially security authentication operation data, comprising: encryption and decryption instruction, signature command, sign test instruction, password generate instruction etc.Safety certificate equipment receives the voice signal of peripheral hardware broadcasting by its built-in sound recording equipment (if recording the Mike of ultrasonic wave and infrasound signal).
Step 102, safety certificate equipment is decoded to the voice signal received, and obtains digital information.
Safety certificate equipment adds decoding circuit by built-in sound or program is decoded to the analoging sound signal that sound recording equipment is received, obtain digital information, i.e. security authentication operation data, as: encryption and decryption instruction, signature command, sign test instruction, password generated instruction etc.Particularly, this decode procedure is exactly that the voice signal of reception is carried out analog-to-digital conversion, the discernible digital information of the equipment that converts to, and the concrete steps of this decoding conversion are see special instruction part.
Step 103, the digital information that safety certificate equipment obtains according to described decoding carries out security authentication operation.
Safety certificate equipment processes the digital information obtained after decoding, obtains security authentication operation data, carries out the security authentication operation such as encryption and decryption, signature, sign test, password generation instruction,
And obtain corresponding security certification result.
Step 104, safety certificate equipment obtains voice signal to described security certification result coding.
Particularly, safety certificate equipment carries out digital-to-analogue conversion to security certification result, that is, the security certification result of digital form is converted to ultrasonic wave or the infrasound signal of simulation.Analoging sound signal after digital-to-analogue conversion still needs to be loaded in carrier wave to transmit.See Fig. 2, before voice signal is loaded on carrier wave, communication channel transmits carrier signal always, until there is Data import.The data first place only received is 0, and the beginning of safety certificate equipment ability identification data transmission, for this reason, adds the initial header data that first place is 0 before every frame data start bit.Herein, the security certification result of digital form is converted to the process of voice signal see special instruction part.
Step 105, described voice signal is exported to peripheral hardware by safety certificate equipment.
Particularly, the voice signal obtained of encoding is played to peripheral hardware by audio playing device (e.g., loud speaker) by safety certificate equipment.Peripheral hardware adopts sound recording equipment to receive this voice signal.Herein, audio playing device is that the sound can playing ultrasonic wave or infrasound signal reports equipment, as loudspeaker.
By adopting said method, achieve the sound wave communication between safety certificate equipment and peripheral hardware, perfect Consumer's Experience.
Embodiment 2
See Fig. 3, be a kind of safety certificate equipment that the embodiment of the present invention 2 provides, can be applied in the method for embodiment 1.This safety certificate equipment comprises: security authentication module 10, sound codec module 20, acoustic reception module 30 and voice output module 40.
Wherein, security authentication module 10 is any equipment that can carry out security authentication operation comprising intelligent key.When peripheral hardware plays sound signal, acoustic reception module 30 receives this voice signal, is issued sound codec module.Acoustic reception module in the present embodiment is specially the sound pick-up outfit that can receive ultrasonic wave and infrasound signal, if receive behaviour's sound wave and infrasonic recorder or Mike.Herein, the voice signal that peripheral hardware is play obtains via to safety certification data transaction, and described safety certification data specifically comprise encryption and decryption instruction, signature command, password generation instruction etc.
After sound codec module 20 receives the voice signal from acoustic reception module 30, it is decoded, i.e. analog-to-digital conversion, voice signal is converted to digital information (encryption and decryption operational order, signature command, sign test instruction, password generate the security authentication operation data such as instruction), issue security authentication module; Sound codec module is also for receiving the security certification result that security authentication module 10 sends over, this result is specially the content of the digital form such as encryption and decryption result, signature result, sign test result or password, and above-mentioned security certification result is encoded, i.e. digital-to-analogue conversion, the security certification result of digital form is encoded into voice signal, and this voice signal is sent to voice output module.Particularly, sound codec module 20 is for being arranged on any encoding and decoding program had in data operation process chip.
The encoding and decoding principle of sound codec module is identical with the encoding and decoding principle of safety certificate equipment in embodiment 1.Repeat no more herein.
Security authentication module 10 operates accordingly according to the digital information received, and as encryption and decryption operation, signature and password to generate etc. operation, and generates security certification result and issues sound codec module.
Voice output module 40, for receiving the acoustic coding signal that sound codec module 20 sends, and exports it with ultrasonic wave or infrasonic form, as: it is reported away by loudspeaker with ultrasonic wave or infrasonic form.In the present embodiment, voice output module 40 is that the sound can playing ultrasonic wave or infrasound signal reports equipment.
Be set to outward with the notebook of audio interface, desktop computer or mobile terminal.
It is to be noted that in the embodiment of the present invention, require that the distance of peripheral hardware and voice output module and sound receiver module can not be too far away, the voice signal should play with voice output module can be received by peripheral hardware smoothly, simultaneously, acoustic reception module can receive the voice signal that peripheral hardware sends smoothly and be advisable.
Embodiment 3
See Fig. 4, be a kind of conversion equipment that the embodiment of the present invention 3 provides, comprise: acoustic reception module 11, sound codec module 12, data transmission interface 13, voice output module 14.Wherein, the external sound signal received for receiving extraneous voice signal, and is sent to sound codec module 12 by acoustic reception module 11.Sound codec module 12 is carried out decoding to the above-mentioned voice signal received and is obtained digital information, afterwards the digital information obtained of decoding is sent to data transmission interface 13, is transferred to peripheral hardware by it.Be set to outward with the notebook of audio interface, desktop computer or mobile terminal.The digital information received also for receiving the digital information that peripheral hardware is sent, and is sent to sound codec module 12 by data transmission interface 13.Sound codec module 12 is encoded to the digital information received, and obtains voice signal, is issued voice output module 14.The voice signal that voice output module 14 output sound coding/decoding module transmits, is transferred out.
Tut coding/decoding module 12 pairs of voice signals are decoded and are obtained digital information and encode to the digital information process that obtains voice signal and safety certificate equipment in embodiment 1 are decoded to voice signal and obtained digital information and identical to the encode process that obtains voice signal of digital information, therefore, repeat no more herein.
Acoustic reception module 11 in the present embodiment is the sound pick-up outfit that can receive ultrasonic wave and infrasound signal, if receive behaviour's sound wave and infrasonic recorder or Mike; Audio playing device is that the sound can playing ultrasonic wave or infrasound signal reports equipment, as loudspeaker; Sound codec module 20 is for being arranged on any encoding and decoding program had in data operation process chip; Data transmission interface 13 is any interface with data-transformation facility, as USB interface.
Herein, it is significant to note that: the voice signal in the embodiment of the present invention 3 is any voice signal, comprises the voice signal that people's ear can identify, ultrasonicly involves infrasound.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (15)
1. a method for safety certificate equipment and peripheral hardware communication, is characterized in that, comprising:
Safety certificate equipment receives the voice signal from peripheral hardware;
Decoding is carried out to the described voice signal from peripheral hardware and obtains digital information;
Safety certification is carried out to the digital information that described decoding obtains;
To security certification result coding, obtain voice signal;
The voice signal that described coding obtains is exported to peripheral hardware.
2. method according to claim 1, is characterized in that, the voice signal that the described voice signal from peripheral hardware and described coding obtain is ultrasonic wave or infrasound.
3. method according to claim 1, is characterized in that, decoding to the described voice signal from peripheral hardware, to obtain digital information be carried out decoding to described voice signal obtained digital information by predetermined decoding rule;
Described to security certification result coding obtain voice signal be by predetermined coding rule to security certification result coding obtain voice signal.
4. method according to claim 3, is characterized in that, described predetermined coding rule is:
In the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, take standard sine wave as the carrier wave of transmission voice signal; Be the cycle security certification result is changed in units of numerical digit by carrier cycle, if previous digit value be 1, current number place value is 0, then the oscillogram that current period internal conversion obtains be the amplitude of whole sampled point be on the occasion of half sinusoidal wave; If previous digit value is 1, current number place value is also 1, the oscillogram that then current period internal conversion obtains is complete sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy front half period respectively with rear half period and both quantity is identical; If previous digit value is 0, current number place value is 1, then it is sinusoidal wave that the oscillogram that current period internal conversion obtains is that the amplitude of whole sampled point is half of negative value; If previous digit value is 0, current number place value is 0, the oscillogram that then current period internal conversion obtains is complete reverse sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy rear half period respectively with front half period and both quantity is identical;
Correspondingly, described predetermined decoding rule is: in the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, with standard sine wave for transmitting the carrier wave of described voice signal; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half positive sine wave, and the numeral that current period waveform is corresponding is 0; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies front half period and rear half period respectively time, the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half negative sine wave, and the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies rear half period and front half period respectively time, the numeral that current period waveform is corresponding is 0.
5. method according to claim 1 and 2, is characterized in that, describedly outer is set to the notebook of audio interface, desktop computer or mobile terminal;
Described digital information comprises: encryption and decryption instruction, signature command, sign test instruction or password generate instruction;
Described security authentication operation comprises: encryption and decryption operation, signature operation, sign test operation or password generation operation.
6. be applied to a safety certificate equipment for method in claim 1, comprise: security authentication module, sound codec module, acoustic reception module and sound output module;
Described acoustic reception module is for receiving the voice signal from peripheral hardware;
Described sound codec module is used for carrying out decoding to the described voice signal from peripheral hardware and obtains digital information; Also for obtaining voice signal to security certification result coding;
Described security authentication module is used for carrying out security authentication operation to the digital information obtained of decoding, and obtains security certification result;
Described voice output module is used for the voice signal that described coding obtains to export to peripheral hardware.
7. safety certificate equipment according to claim 6, is characterized in that, the voice signal that the described voice signal from peripheral hardware and described coding obtain is ultrasonic wave or infrasound.
8. the safety certificate equipment according to claim 6 or 7, is characterized in that, decoding to the described voice signal from peripheral hardware, to obtain digital information be carried out decoding to described voice signal obtained digital information by predetermined decoding rule;
Described to security certification result coding obtain voice signal be by predetermined coding rule to security certification result coding obtain voice signal.
9. safety certificate equipment according to claim 8, is characterized in that, described predetermined coding rule is:
In the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, take standard sine wave as the carrier wave of transmission voice signal; Be the cycle security certification result is changed in units of numerical digit by carrier cycle, if previous digit value be 1, current number place value is 0, then the oscillogram that current period internal conversion obtains be the amplitude of whole sampled point be on the occasion of half sinusoidal wave; If previous digit value is 1, current number place value is also 1, the oscillogram that then current period internal conversion obtains is complete sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy front half period respectively with rear half period and both quantity is identical; If previous digit value is 0, current number place value is 1, then it is sinusoidal wave that the oscillogram that current period internal conversion obtains is that the amplitude of whole sampled point is half of negative value; If previous digit value is 0, current number place value is 0, the oscillogram that then current period internal conversion obtains is complete reverse sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy rear half period respectively with front half period and both quantity is identical;
Correspondingly, described predetermined decoding rule is: in the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, with standard sine wave for transmitting the carrier wave of described voice signal; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half positive sine wave, and the numeral that current period waveform is corresponding is 0; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies front half period and rear half period respectively time, the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half negative sine wave, and the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies rear half period and front half period respectively time, the numeral that current period waveform is corresponding is 0.
10. the safety certificate equipment according to claim 6 or 7, is characterized in that, describedly outer is set to the notebook of audio interface, desktop computer or mobile terminal;
Described security authentication module is intelligent key;
Described acoustic reception module is for recording ultrasonic wave or infrasonic equipment;
Described voice output module is for playing ultrasonic wave or infrasonic loud speaker;
Described sound codec module is be arranged on the encoding and decoding program had in data operation process chip.
11. security authentication modules according to claim 6 or 7, it is characterized in that, described security authentication module, sound codec module, acoustic reception module and sound output module are within one device integrated; Or,
Described security authentication module, sound codec module, acoustic reception module and sound output module are separate devices; Or,
Described security authentication module and sound coding/decoding module within one device integrated.
12. 1 kinds of conversion equipments, comprise acoustic reception module, sound codec module, data transmission interface and sound output module;
Described acoustic reception module is for receiving the voice signal from peripheral hardware;
Described sound codec module is used for carrying out decoding to the described voice signal from peripheral hardware and obtains digital information, and described digital information is sent to described data transmission interface; Also for obtaining voice signal to the coding digital information from described data transmission interface;
Described digital information for receiving the digital information from described sound codec module, and is sent to described peripheral hardware by described data transmission interface; Also for receiving the digital information from peripheral hardware, and send it to described sound codec module;
Described voice output module is used for the voice signal that described sound codec module coding obtains to export to described peripheral hardware.
13. signal conversion equipments according to claim 12, is characterized in that,
Decoding to the described voice signal from peripheral hardware, to obtain digital information be carried out decoding to described voice signal obtained digital information by predetermined decoding rule;
Voice signal is obtained to coding digital information and specifically by predetermined coding rule, voice signal is obtained to coding digital information.
14. signal conversion equipments according to claim 13, is characterized in that, described predetermined coding rule is:
In the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, take standard sine wave as the carrier wave of transmission voice signal; Be the cycle security certification result is changed in units of numerical digit by carrier cycle, if previous digit value be 1, current number place value is 0, then the oscillogram that current period internal conversion obtains be the amplitude of whole sampled point be on the occasion of half sinusoidal wave; If previous digit value is 1, current number place value is also 1, the oscillogram that then current period internal conversion obtains is complete sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy front half period respectively with rear half period and both quantity is identical; If previous digit value is 0, current number place value is 1, then it is sinusoidal wave that the oscillogram that current period internal conversion obtains is that the amplitude of whole sampled point is half of negative value; If previous digit value is 0, current number place value is 0, the oscillogram that then current period internal conversion obtains is complete reverse sine wave, wherein, the sampled point of true amplitude and the sampled point of negative amplitude occupy rear half period respectively with front half period and both quantity is identical;
Correspondingly, described predetermined decoding rule is: in the transmission channel of setting voice signal, transverse axis is time value, and the longitudinal axis is amplitude, with standard sine wave for transmitting the carrier wave of described voice signal; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half positive sine wave, and the numeral that current period waveform is corresponding is 0; When the corresponding numeral 1 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies front half period and rear half period respectively time, the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, current form is sampled point amplitude when be all half negative sine wave, and the numeral that current period waveform is corresponding is 1; When the corresponding numeral 0 of the previous periodic waveform of the voice signal set in described coding rule, in whole sampled points of current form the sampling number of true amplitude identical with the sampling number of negative amplitude and the sampled point of the sampled point of true amplitude and negative amplitude occupies rear half period and front half period respectively time, the numeral that current period waveform is corresponding is 0.
15. signal conversion equipments according to claim 12, is characterized in that, described acoustic reception module is for recording ultrasonic wave or infrasonic equipment; Described voice output module is for playing ultrasonic wave or infrasonic loud speaker; Described sound codec module is be arranged on the encoding and decoding program had in data operation process chip; Described data transmission interface is the interface with data-transformation facility; Describedly outer to be set to the notebook of audio interface, desktop computer or mobile terminal.
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| CN201410188040.3A CN105099682A (en) | 2014-05-06 | 2014-05-06 | Method for communicating security certificate device with peripheral, security certificate device, and conversion device |
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| CN201410188040.3A CN105099682A (en) | 2014-05-06 | 2014-05-06 | Method for communicating security certificate device with peripheral, security certificate device, and conversion device |
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