CN105373717A - Acoustic wave-based encryption and decryption method and system - Google Patents
Acoustic wave-based encryption and decryption method and system Download PDFInfo
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- CN105373717A CN105373717A CN201410406369.2A CN201410406369A CN105373717A CN 105373717 A CN105373717 A CN 105373717A CN 201410406369 A CN201410406369 A CN 201410406369A CN 105373717 A CN105373717 A CN 105373717A
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Abstract
The invention belongs to communication technologies, and particularly relates to an acoustic wave-based encryption and decryption method and system. The encryption method comprises the following steps: obtaining gesture input information through an electroacoustic sensor, wherein the gesture input information indicates knock frequencies, knock time lengths and frequency interval between every two knocks; converting the gesture input information into binary encoding information; and storing the binary encoding information so as to form an acoustic wave key. Through setting the electroacoustic sensor, the gesture input information is obtained, and the gesture information is processed to obtain the binary encoding information so as to obtain the key; and during the unlocking, the gesture input information is collected through the electroacoustic sensor. Through the manner, the function of saving cost is achieved, an input keyboard is not required so that the input equipment is light in weight, the input convenience is improved, the input of the user is simple and easy to operate, and the user can complete the input by knocking without pressing a plurality of numeric or letter keyboard keys.
Description
Technical field
The invention belongs to the communication technology, particularly relate to a kind of encryption based on sound wave, decryption method and system.
Background technology
At present along with the development of the communications industry, the life of people is more and more convenient, sometimes only needs can realize the several functions such as Long-distance Control, payment transaction by hand-held terminal device.Larger convenient in order to bring to user, also in the simplifying of the lightweight constantly pursuing terminal device, user operation and the security of operation.
Mainly contain by input through keyboard numeral or letter code for the cipher mode of terminal device in prior art, by touch-screen, decoding of sliding is set, nine grids are decoded, the shortcoming of these decoding processes is, rely on keyboard or touch-screen, only need just can use when being undertaken by the equipment of the existing keyboards such as mobile phone or touch-screen at associative operation, for a lot of terminal device such as pos machine, card reader etc., except needing to use except keyboard or touch-screen when inputting password, other moment are all without the need to using, can simplify completely for this kind equipment, without the need to additionally arranging the volume of keyboard or touch-screen increase equipment.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of encryption based on sound wave, decryption method and system, and being intended to encrypt unlocker device in solution prior art needs dependence keyboard or touch-screen to input, and cause equipment volume excessive, user inputs the problem of inconvenience.
Embodiments provide a kind of encryption method based on sound wave, described method comprises the steps:
Obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Binary-coded information is converted to according to described gesture input information;
Store described binary-coded information, form sound wave key.
The embodiment of the present invention further provides a kind of decryption method based on sound wave, it is characterized in that, described method comprises the steps:
Obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Binary-coded information is converted to according to described gesture input information;
Compare according to described binary-coded information and the sound wave key preset;
If with described default sound wave key match, be then decrypted.
The embodiment of the present invention further provides a kind of encryption system based on sound wave, and described system comprises:
Sound wave acquisition module, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Sonicated module, for converting binary-coded information to according to described gesture input information;
Key forms module, for storing described binary-coded information, forms sound wave key.
The embodiment of the present invention additionally provides a kind of decryption system based on sound wave, and described system comprises:
Sound wave acquisition module, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Sonicated module, for converting binary-coded information to according to described gesture input information;
Key authentication module, for comparing according to described binary-coded information and the sound wave key preset;
Deciphering module, if for described default sound wave key match, be then decrypted.
The encryption based on sound wave that the embodiment of the present invention provides, decryption method and system, obtaining gesture input information by arranging electroacoustic transducer, obtaining binary-coded information after process, forming password, during unblock, also only need gather gesture input information by electroacoustic transducer.Cost-effective effect can be reached by which, not need input keyboard, the equipment lightweight of input can be made, meanwhile, improve the convenience of input, the input of user is simple to operation, without the need to the keyboard by multiple numeral or letter, only need to knock and can complete input.The method can be used for KEY, IC-card, mobile payment, the closely application such as interconnected.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the encryption method based on sound wave that the embodiment of the present invention provides;
Fig. 2 is the process flow diagram converting binary-coded information to that the embodiment of the present invention provides;
Fig. 3 is the process flow diagram of the decryption method based on sound wave that the embodiment of the present invention provides;
Fig. 4 is a kind of structural drawing of the encryption system based on sound wave that the embodiment of the present invention provides;
Fig. 5 is the another kind of structural drawing of the encryption system based on sound wave that the embodiment of the present invention provides;
Fig. 6 is a kind of structural drawing of the decryption system based on sound wave that the embodiment of the present invention 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.
Embodiment one
Fig. 1 shows the process flow diagram of the encryption method based on sound wave that the embodiment of the present invention provides.As shown in Figure 1, a kind of encryption method based on sound wave that the embodiment of the present invention provides, described method comprises the steps:
In step S101, obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two.
In the present embodiment, described electroacoustic transducer can be loudspeaker, microphone, piezoceramic transducer etc.Utilize microphone or loudspeaker or piezoceramic transducer, the problem that solution equipment simply inputs.After the sound wave of microphone or loudspeaker or the input of piezoceramic transducer pickup gesture, cost-effective effect can be reached by which, do not need input keyboard, the equipment lightweight of input can be made, meanwhile, improve the convenience of input, the input of user is simple to operation, without the need to the keyboard by multiple numeral or letter, only need to knock and can complete input.The method can be used for KEY, IC-card, mobile payment, the closely application such as interconnected.
In the present embodiment, in the application of reality, such as, mobile payment application development based on mobile terminal is very fast, very many application models and producer is had to participate at home and abroad, but the security compared on traditional computer based on the security that the mobile payment of mobile terminal is applied is lower, and wherein chief reason is the payment equipment not having relative safety higher on mobile terminals, as KEY etc.
The encryption method based on sound wave utilizing the embodiment of the present invention to provide, can realize on mobile terminals, such as, by the microphone of mobile terminal as the electroacoustic transducer in the present embodiment, during use, user can in the place of microphone, carry out gesture input, as user inputs PIN code, the mode of gesture input leads to knock mobile terminal microphone case, the mode of knocking can be knocked in a certain pattern, as changed frequency, setting X representative is knocked, O represents time-out, then user knocks XXXOXXOX, represent and knock three times continuously, suspend, knock twice continuously again, suspend again, finally knock again.
In step S102, convert binary-coded information to according to described gesture input information.
In the present embodiment, Fig. 2 shows the process flow diagram converting binary-coded information to that the embodiment of the present invention provides, and as shown in the figure, describedly converts binary-coded information to according to described gesture input information and is specially:
In step S201, described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
In step S202, carry out coded treatment according to described electric signal, obtain described binary-coded information.
In the present embodiment, such as, electroacoustic transducer is piezoceramic transducer, after the sound wave of piezoceramic transducer pickup gesture input, and connect additional device and filtering circuit, after filtering after process, the interference of other sound wave can be prevented, better identify the input of user's gesture.The information of user being knocked is converted to electric signal, carries out filtering, pressure limiting, Shape correction by change-over circuit thereafter, can form a string electric signal.Setting X representative is knocked, and O represents time-out, then user knocks XXXOXXOX, represents and knocks three times continuously, suspend, then knock twice continuously, then suspend, finally knock again.After receiving this electric signal, identified by signal duration, and carry out coded treatment, the electric signal XXXOXXOX as above-mentioned user knocked converts 111011101 to.The input of user's gesture can be realized to be converted to acoustic signals, as hammer action is converted to acoustic signals, except the piezoceramic transducer in the present embodiment, can also be microphone or loudspeaker, acoustic signals is converted to electric signal, carry out pressure limiting, filtering, Shape correction to electric signal, the frequency inputted by gesture, duration etc., because usually encoding, are identified.
In step S103, store described binary-coded information, form sound wave key.
In the present embodiment, based on practical application, gesture has been inputted user, after converting binary-coded information to again, make a fault when setting sound wave key to prevent user, can require that user repeats above-mentioned steps, the sound wave key of setting is reaffirmed, ensure that the sound wave key stored is errorless.
In addition, in order to ensure the security of key when concluding the business or use, can also when storing described binary-coded information, described binary-coded information is encrypted, encryption mode can be RSA, DES 3DES, AES, SM2, SM4 etc., for carrying out encryption and decryption or signature verification to critical data.
Embodiment two
Fig. 3 shows the process flow diagram of the decryption method based on sound wave that the embodiment of the present invention provides.As shown in Figure 3, a kind of decryption method based on sound wave that the embodiment of the present invention provides, described method comprises the steps:
In step S301, obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two.
In the present embodiment, described electroacoustic transducer can be loudspeaker, microphone, piezoceramic transducer etc.Utilize microphone or loudspeaker or piezoceramic transducer, the problem that solution equipment simply inputs.After the sound wave of microphone or loudspeaker or the input of piezoceramic transducer pickup gesture, cost-effective effect can be reached by which, do not need input keyboard, the equipment lightweight of input can be made, meanwhile, improve the convenience of input, the input of user is simple to operation, without the need to the keyboard by multiple numeral or letter, only need to knock and can complete input.The method can be used for KEY, IC-card, mobile payment, the closely application such as interconnected.
The decryption method based on sound wave utilizing the embodiment of the present invention to provide, can realize on mobile terminals, such as, by the microphone of mobile terminal as the electroacoustic transducer in the present embodiment, during use, user can in the place of microphone, carry out gesture input, as user inputs PIN code, the mode of gesture input leads to knock mobile terminal microphone case, the mode of knocking can be knocked in a certain pattern, as changed frequency, setting X representative is knocked, O represents time-out, then user knocks XXXOXXOX, represent and knock three times continuously, suspend, knock twice continuously again, suspend again, finally knock again.
In step S302, convert binary-coded information to according to described gesture input information.
In the present embodiment, Fig. 2 shows the process flow diagram converting binary-coded information to that the embodiment of the present invention provides, and as shown in the figure, describedly converts binary-coded information to according to described gesture input information and is specially:
In step S201, described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
In step S202, carry out coded treatment according to described electric signal, obtain described binary-coded information.In the present embodiment, such as, electroacoustic transducer is piezoceramic transducer, after the sound wave of piezoceramic transducer pickup gesture input, and connect additional device and filtering circuit, after filtering after process, the interference of other sound wave can be prevented, better identify the input of user's gesture.The information of user being knocked is converted to electric signal, carries out filtering, pressure limiting, Shape correction by change-over circuit thereafter, can form a string electric signal.Setting X representative is knocked, and O represents time-out, then user knocks XXXOXXOX, represents and knocks three times continuously, suspend, then knock twice continuously, then suspend, finally knock again.After receiving this electric signal, identified by signal duration, and carry out coded treatment, the electric signal XXXOXXOX as above-mentioned user knocked converts 111011101 to.The input of user's gesture can be realized to be converted to acoustic signals, as hammer action is converted to acoustic signals, except the piezoceramic transducer in the present embodiment, can also be microphone or loudspeaker, acoustic signals is converted to electric signal, carry out pressure limiting, filtering, Shape correction to electric signal, the frequency inputted by gesture, duration etc., because usually encoding, are identified.
In step S303, compare according to described binary-coded information and the sound wave key preset.
In step S304, if with described default sound wave key match, be then decrypted.
In the present embodiment, above-mentioned binary-coded information and the sound wave key stored are compared, if comparison result fits like a glove, then can unlock; If can not mate after comparison, then can not unlock, user can be pointed out to input wrong cipher key, can voice or screen display prompts re-enter.
In addition, in order to ensure the security of key when concluding the business or use, can also when storing described binary-coded information, described binary-coded information is encrypted, encryption mode can be RSA, DES 3DES, AES, SM2, SM4 etc., for carrying out encryption and decryption or signature verification to critical data.
Embodiment three
Fig. 4 shows a kind of structural drawing of the encryption system based on sound wave that the embodiment of the present invention provides, for convenience of description, illustrate only the part relevant to the embodiment of the present invention, the encryption system based on sound wave that the embodiment of the present invention provides, comprise: sound wave acquisition module 41, sonicated module 42 and key form module 43, wherein:
Sound wave acquisition module 41, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two.
In the present embodiment, described electroacoustic transducer can be loudspeaker, microphone, piezoceramic transducer etc.Utilize microphone or loudspeaker or piezoceramic transducer, the problem that solution equipment simply inputs.After the sound wave of microphone or loudspeaker or the input of piezoceramic transducer pickup gesture, cost-effective effect can be reached by which, do not need input keyboard, the equipment lightweight of input can be made, meanwhile, improve the convenience of input, the input of user is simple to operation, without the need to the keyboard by multiple numeral or letter, only need to knock and can complete input.This encryption system can be used for KEY, IC-card, mobile payment, the closely application such as interconnected.
In the present embodiment, in the application of reality, such as, mobile payment application development based on mobile terminal is very fast, very many application models and producer is had to participate at home and abroad, but the security compared on traditional computer based on the security that the mobile payment of mobile terminal is applied is lower, and wherein chief reason is the payment equipment not having relative safety higher on mobile terminals, as KEY etc.
The encryption system based on sound wave utilizing the embodiment of the present invention to provide, can realize on mobile terminals, such as, by the microphone of mobile terminal as the electroacoustic transducer in the present embodiment, during use, user can in the place of microphone, carry out gesture input, as user inputs PIN code, the mode of gesture input leads to knock mobile terminal microphone case, the mode of knocking can be knocked in a certain pattern, as changed frequency, setting X representative is knocked, O represents time-out, then user knocks XXXOXXOX, represent and knock three times continuously, suspend, knock twice continuously again, suspend again, finally knock again.
Sonicated module 42, for converting binary-coded information to according to described gesture input information.
Described sonicated module specifically comprise for:
Electroacoustic converting unit 421, for described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Coding unit 422, carries out coded treatment according to described electric signal, obtains described binary-coded information.
In the present embodiment, such as, electroacoustic transducer is piezoceramic transducer, after the sound wave of piezoceramic transducer pickup gesture input, and connect additional device and filtering circuit, after filtering after process, the interference of other sound wave can be prevented, better identify the input of user's gesture.The information of user being knocked is converted to electric signal, carries out filtering, pressure limiting, Shape correction by change-over circuit thereafter, can form a string electric signal.Setting X representative is knocked, and O represents time-out, then user knocks XXXOXXOX, represents and knocks three times continuously, suspend, then knock twice continuously, then suspend, finally knock again.After receiving this electric signal, identified by signal duration, and carry out coded treatment, the electric signal XXXOXXOX as above-mentioned user knocked converts 111011101 to.The input of user's gesture can be realized to be converted to acoustic signals, as hammer action is converted to acoustic signals, except the piezoceramic transducer in the present embodiment, can also be microphone or loudspeaker, acoustic signals is converted to electric signal, carry out pressure limiting, filtering, Shape correction to electric signal, the frequency inputted by gesture, duration etc., because usually encoding, are identified.
Key forms module 43, for storing described binary-coded information, forms sound wave key.
In the present embodiment, based on practical application, gesture has been inputted user, after converting binary-coded information to again, make a fault when setting sound wave key to prevent user, can require that user repeats above-mentioned steps, the sound wave key of setting is reaffirmed, ensure that the sound wave key stored is errorless.
Embodiment four
Fig. 5 shows the structural drawing of the encryption system based on sound wave that the embodiment of the present invention provides.For convenience of description, illustrate only the part relevant to the embodiment of the present invention, the encryption system based on sound wave that the embodiment of the present invention provides, comprising: sound wave acquisition module 51, sonicated module 52 and key form module 53, wherein:
Sound wave acquisition module 51, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two.
Sonicated module 52, for converting binary-coded information to according to described gesture input information.
Described sonicated module specifically comprise for:
Electroacoustic converting unit 521, for described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Coding unit 522, carries out coded treatment according to described electric signal, obtains described binary-coded information.
Key forms module 53, for storing described binary-coded information, forms sound wave key.
In the present embodiment, described key formation module 53 also comprises: secret key encryption unit 531.In order to ensure the security of key when concluding the business or use, can also when storing described binary-coded information, by secret key encryption unit 531, described binary-coded information is encrypted, the mode of described encryption can be RSA, DES 3DES, AES, SM2, SM4 etc., for carrying out encryption and decryption or signature verification to critical data.
In the present embodiment, the function of other modules or unit is identical with embodiment three, repeats no more herein.
Embodiment five
Fig. 6 shows a kind of structural drawing of the decryption system based on sound wave that the embodiment of the present invention provides, for convenience of description, illustrate only the part relevant to the embodiment of the present invention, the decryption system based on sound wave that the embodiment of the present invention provides, comprise: sound wave acquisition module 61, sonicated module 62, key authentication module 63 and deciphering module 64, wherein:
Sound wave acquisition module 61, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two.
In the present embodiment, described electroacoustic transducer can be loudspeaker, microphone, piezoceramic transducer etc.Utilize microphone or loudspeaker or piezoceramic transducer, the problem that solution equipment simply inputs.After the sound wave of microphone or loudspeaker or the input of piezoceramic transducer pickup gesture, cost-effective effect can be reached by which, do not need input keyboard, the equipment lightweight of input can be made, meanwhile, improve the convenience of input, the input of user is simple to operation, without the need to the keyboard by multiple numeral or letter, only need to knock and can complete input.This encryption system can be used for KEY, IC-card, mobile payment, the closely application such as interconnected.
In the present embodiment, in the application of reality, such as, mobile payment application development based on mobile terminal is very fast, very many application models and producer is had to participate at home and abroad, but the security compared on traditional computer based on the security that the mobile payment of mobile terminal is applied is lower, and wherein chief reason is the payment equipment not having relative safety higher on mobile terminals, as KEY etc.
The decryption system based on sound wave utilizing the embodiment of the present invention to provide, can realize on mobile terminals, such as, by the microphone of mobile terminal as the electroacoustic transducer in the present embodiment, during use, user can in the place of microphone, carry out gesture input, as user inputs PIN code, the mode of gesture input leads to knock mobile terminal microphone case, the mode of knocking can be knocked in a certain pattern, as changed frequency, setting X representative is knocked, O represents time-out, then user knocks XXXOXXOX, represent and knock three times continuously, suspend, knock twice continuously again, suspend again, finally knock again.
Sonicated module 62, for converting binary-coded information to according to described gesture input information.
Described sonicated module specifically comprise for:
Electroacoustic converting unit 621, for described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Coding unit 622, carries out coded treatment according to described electric signal, obtains described binary-coded information.
In the present embodiment, such as, electroacoustic transducer is piezoceramic transducer, after the sound wave of piezoceramic transducer pickup gesture input, and connect additional device and filtering circuit, after filtering after process, the interference of other sound wave can be prevented, better identify the input of user's gesture.The information of user being knocked is converted to electric signal, carries out filtering, pressure limiting, Shape correction by change-over circuit thereafter, can form a string electric signal.Setting X representative is knocked, and O represents time-out, then user knocks XXXOXXOX, represents and knocks three times continuously, suspend, then knock twice continuously, then suspend, finally knock again.After receiving this electric signal, identified by signal duration, and carry out coded treatment, the electric signal XXXOXXOX as above-mentioned user knocked converts 111011101 to.The input of user's gesture can be realized to be converted to acoustic signals, as hammer action is converted to acoustic signals, except the piezoceramic transducer in the present embodiment, can also be microphone or loudspeaker, acoustic signals is converted to electric signal, carry out pressure limiting, filtering, Shape correction to electric signal, the frequency inputted by gesture, duration etc., because usually encoding, are identified.
Key authentication module 63, for comparing according to described binary-coded information and the sound wave key preset.
Deciphering module 64, if for described default sound wave key match, be then decrypted.
In the present embodiment, above-mentioned binary-coded information and the sound wave key stored are compared, if comparison result fits like a glove, then can unlock; If can not mate after comparison, then can not unlock, user can be pointed out to input wrong cipher key, can voice or screen display prompts re-enter.
In addition, in order to ensure the security of key when concluding the business or use, can also when storing described binary-coded information, described binary-coded information is encrypted, encryption mode can be RSA, DES 3DES, AES, SM2, SM4 etc., for carrying out encryption and decryption or signature verification to critical data.
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. based on an encryption method for sound wave, it is characterized in that, described method comprises the steps:
Obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Binary-coded information is converted to according to described gesture input information;
Store described binary-coded information, form sound wave key.
2. method as claimed in claim 1, is characterized in that, describedly converts binary-coded information to according to described gesture input information and is specially:
Described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Carry out coded treatment according to described electric signal, obtain described binary-coded information.
3. method as claimed in claim 1, it is characterized in that, described electroacoustic transducer comprises: loudspeaker, microphone, piezoceramic transducer.
4. based on a decryption method for sound wave, it is characterized in that, described method comprises the steps:
Obtain gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Binary-coded information is converted to according to described gesture input information;
Compare according to described binary-coded information and the sound wave key preset;
If with described default sound wave key match, be then decrypted.
5. method as claimed in claim 4, is characterized in that, describedly converts binary-coded information to according to described gesture input information and is specially:
Described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Carry out coded treatment according to described electric signal, obtain described binary-coded information.
6. based on an encryption system for sound wave, it is characterized in that, described system comprises:
Sound wave acquisition module, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Sonicated module, for converting binary-coded information to according to described gesture input information;
Key forms module, for storing described binary-coded information, forms sound wave key.
7. system as claimed in claim 6, is characterized in that, described sonicated module specifically comprise for:
Electroacoustic converting unit, for described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Coding unit, carries out coded treatment according to described electric signal, obtains described binary-coded information.
8. system as claimed in claim 6, it is characterized in that, described electroacoustic transducer comprises: loudspeaker, microphone, piezoceramic transducer.
9. based on a decryption system for sound wave, it is characterized in that, described system comprises:
Sound wave acquisition module, for being obtained gesture input information by electroacoustic transducer, described gesture input information be knock number of times, knock duration and the gesture input information of frequency interval between knocking between two;
Sonicated module, for converting binary-coded information to according to described gesture input information;
Key authentication module, for comparing according to described binary-coded information and the sound wave key preset;
Deciphering module, if for described default sound wave key match, be then decrypted.
10. system as claimed in claim 9, is characterized in that, described sonicated module specifically comprise for:
Electroacoustic converting unit, for described gesture input information is carried out filtering, pressure limiting, Shape correction, converts electric signal to;
Coding unit, carries out coded treatment according to described electric signal, obtains described binary-coded information.
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| WO2019029413A1 (en) * | 2017-08-10 | 2019-02-14 | 维沃移动通信有限公司 | Mobile terminal and operation method of mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029413A1 (en) * | 2017-08-10 | 2019-02-14 | 维沃移动通信有限公司 | Mobile terminal and operation method of mobile terminal |
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