AUDIO COMMUNICATION BASED ELECTRONIC SIGNATURE SYSTEM AND METHOD THEREOF
First Claim
1. An audio communication based electronic signature system, comprising an audio smart key device and a terminal, the audio smart key device comprising an interface module, a data processing module, a smart key module and a power module, whereinthe interface module is configured to establish a connection with an audio input interface and an audio output interface of the terminal, to receive an audio signal sent by the terminal, to convert the audio signal into a digital signal and send the digital signal to the data processing module, to convert the digital signal into an audio signal and send the audio signal to the terminal, and the interface module is further configured to modulate and demodulate the digital signal;
- the data processing module is configured to parse the digital signal from the interface module and send the parsed data to the smart key module, and the data processing module is further configured to package the data from the smart key module to obtain a digital signal and send the digital signal to the interface module;
the smart key module is configured to perform an operation on the data received by the data processing module and sending an operation result to the data processing module;
the power module is configured to supply power for the audio smart key device;
wherein the terminal comprises the audio output interface, the audio input interface and an application unit, whereinthe audio output interface is configured to output the audio signal generated by the terminal to the audio smart key device;
the audio input interface is configured to receive the audio signal sent to the terminal from the audio smart key device;
the application unit is configured to revoke a multi-media application interface to enable the terminal to access the audio interfaces, and to convert a digital signal to be sent into the audio signal or convert the received audio signal into a digital signal.
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Accused Products
Abstract
An audio communication based electronic signature system and a method thereof are provided. The system includes: an audio smart key device including an interface module, a data processing module, a smart key module and a power module; and a terminal including an audio output interface, an audio input interface and an application unit. The interface module of the audio smart key device communicates with the terminal in the form of audio signal and it can perform operations of A/D conversion and modulation and demodulation on the audio signal. In the signing method, the terminal sends an audio signal including important data to the smart key device, the audio smart key device receives and decodes the audio signal, demodulates the decoded data and decrypts the demodulated data, signs the decrypted data, encodes, modulates and encrypts the signature result subsequently, sends the crypted result to the terminal, where the encrypted result is sent to the server for signature verification.
11 Citations
21 Claims
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1. An audio communication based electronic signature system, comprising an audio smart key device and a terminal, the audio smart key device comprising an interface module, a data processing module, a smart key module and a power module, wherein
the interface module is configured to establish a connection with an audio input interface and an audio output interface of the terminal, to receive an audio signal sent by the terminal, to convert the audio signal into a digital signal and send the digital signal to the data processing module, to convert the digital signal into an audio signal and send the audio signal to the terminal, and the interface module is further configured to modulate and demodulate the digital signal; -
the data processing module is configured to parse the digital signal from the interface module and send the parsed data to the smart key module, and the data processing module is further configured to package the data from the smart key module to obtain a digital signal and send the digital signal to the interface module; the smart key module is configured to perform an operation on the data received by the data processing module and sending an operation result to the data processing module; the power module is configured to supply power for the audio smart key device; wherein the terminal comprises the audio output interface, the audio input interface and an application unit, wherein the audio output interface is configured to output the audio signal generated by the terminal to the audio smart key device; the audio input interface is configured to receive the audio signal sent to the terminal from the audio smart key device; the application unit is configured to revoke a multi-media application interface to enable the terminal to access the audio interfaces, and to convert a digital signal to be sent into the audio signal or convert the received audio signal into a digital signal. - View Dependent Claims (2, 4, 5, 6, 7, 21)
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3. (canceled)
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8. An audio communication based electronic signing method, comprising:
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step A;
Encoding a first data package to be sent to obtain a first waveform data and accessing an audio interface via an application unit, by a terminal;step B;
Converting the first waveform data into a first audio signal and sending the first audio signal to the audio smart key device, by the terminal;step C;
Receiving the first audio signal and decoding the first audio signal to obtain the first data package, by the audio smart key device;step D;
Unpackaging the first data package to obtain a signature obtaining instruction and extracting important data message from the signature obtaining instruction, by the audio smart key device;step E;
Signing, by the audio smart key device, the important data message;step F;
Packaging, by the audio smart key device, a signature result to form a second data package;step G;
Encoding the second data package to obtain a second waveform data, converting the second waveform data into a second audio signal and sending the second audio signal to the terminal, by the audio smart key device; andstep H;
Receiving the second audio signal, sampling the second audio signal to obtain the second waveform data and decoding the second waveform data to obtain the signature result, by the terminal. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification