CN103971042A - Dynamic password booting method based on sound signals - Google Patents
Dynamic password booting method based on sound signals Download PDFInfo
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- CN103971042A CN103971042A CN201410183294.6A CN201410183294A CN103971042A CN 103971042 A CN103971042 A CN 103971042A CN 201410183294 A CN201410183294 A CN 201410183294A CN 103971042 A CN103971042 A CN 103971042A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a dynamic password booting method based on sound signals. The dynamic password booting method based on the sound signals is used for booting management of various electronic devices. The dynamic password booting method based on the sound signals comprises the steps that a sound receiving device receives the sound signals, undistorted transformation is carried out on the received sound signals to obtain digital signals, whether the format of the digital signals is a preset format or not is judged, the digital signals meeting the preset format are decoded so as to obtain PIN codes and check codes distributed to clients, dynamic identifying codes are generated based on an MD5 hash algorithm according to a plurality of elements, the dynamic identifying codes and the check codes are matched, and after matching succeeds, a power source management device achieves booting processing on the controlled electronic devices. By means of the dynamic password booting method based on the sound signals, the multi-layer management mode of inputting of sound modes, format matching, content verification and multi-element processing is adopted, unnecessary calculation consumption and complex password input operation are avoided, and user operation is facilitated while the safety performance of the system is improved.
Description
Technical field
The present invention relates to electronic device management field, relate in particular to a kind of dynamic password starting-up method based on sound signal.
Background technology
In daily life, in the time of the start of the various electronic equipments of operation, people need to input user's name and fixed password to carry out subscriber authentication, and this requires user need to remember often complicated startup password and user's name, carry out loaded down with trivial details user's operation, inconvenient user's use.In addition, because fixed password is easily intercepted, for system management brings unsafe factor, therefore, some electronics research and development companies design the power on mode that does not need artificial input.
In prior art, the power on mode of audio frequency input is to avoid a manually-operated optional approach.In this power on mode, boot system comprises voice acquisition module, power management module, storage unit and control module; Voice acquisition module is connected with control module, control module is connected with storage unit with power management module, voice acquisition module is used for gathering acoustic information, and acoustic information is sent to control module, control module can be compared start identifying information default in acoustic information and memory module, if the consistent control module control of comparing result power management module is to computer power supply, otherwise, return to voice acquisition module and continue to gather sound.Described control module by start identifying information default in acoustic information and memory module relatively before, can carry out pre-service through security module.Safety control module has the independently module such as processor, internal memory, storage space, hash algorithm engine, symmetry algorithm and asymmetric arithmetic engine, in the time that control module needs the data of reading cells, control module sends the access control signal of setting to safety control module, realizes authentication.
In the power on mode of existing audio frequency input, adopted the method for voice starts, saved the complicated processes of input password, comparing aging method has in the past had breakthrough invention.But its use be fixing startup password audio frequency with and safety control module use authorization information to be provided by this fixing startup password audio frequency, once the fixing start audio leakage namely using or stolen, its security causes anxiety, and security module also performs practically no function, although this possibility is less.Once fixed password audio frequency is forgotten or leakage or locked, needs release and replacement encrypted message, this process is made troubles to user.
Therefore, need a kind of power on mode of new audio frequency input, do not use fixed password audio frequency to get final product completing user authentication, need to increase the computation complexity of authentication simultaneously, thereby improve security, the convenience of boot system.
Summary of the invention
Power on mode security for existing audio frequency input is low, the technical matters that computing cost is high, the invention provides a kind of dynamic password starting-up method based on sound signal, the sound signal receiving is carried out to received audio signal to obtain digital signal, whether the form that judges digital signal is default form, afterwards to meeting the processing of decoding of the digital signal of default form, to obtain the PIN code and the check code that distribute as client, generate dynamic verification code according to multiple key elements based on MD5 hash algorithm, dynamic verification code and check code are mated, after the match is successful, electric power controller is realized the start processing of controlled electronic equipment.The mode of inputting by audio frequency, reduces user's operation, the mode of mating by preformat, reduce computing loss, by the verification mode of MD5 hash algorithm, improve the security of boot system, thereby meet user and the businessman requirements to electronic equipment boot system.
To achieve these goals, the invention provides a kind of dynamic password starting-up method based on sound signal, described starting-up method comprises, apparatus for receiving audio received audio signal, and the sound signal receiving is sent to audio processing chip; Audio processing chip is converted into digital signal by undistorted sound signal, and digital signal is sent to coalignment; Coalignment mates digital signal based on default form, if the match is successful, digital signal is sent to dynamic password device, if it fails to match, send it fails to match signal to apparatus for receiving audio to control apparatus for receiving audio received audio signal again; Dynamic password device is by the digital signal processing of decoding, to obtain the PIN code and the check code that distribute as client, generate dynamic verification code according to first element set based on MD5 hash algorithm, dynamic verification code and check code are compared, if consistent, send starting-up signal to electric power controller, if inconsistent, send password authentification failure signal to apparatus for receiving audio to control apparatus for receiving audio received audio signal again, first element set comprises PIN code, predetermined Public Key, customer information and temporal information; Electric power controller is realized the start processing of controlled electronic equipment according to the starting-up signal receiving; Wherein, sound signal is to be generated by external audio generating apparatus, external audio generating apparatus generates check code according to the second elements combination based on MD5 hash algorithm, and the PIN code coded combination distributing by check code with for client is encoded to digital signal, generate and output audio signal based on digital signal, the second elements combination comprises PIN code, predetermined Public Key, customer information and temporal information; Wherein, the decoding processing of dynamic password device is corresponding with the assembly coding of external audio generating apparatus, and the decoding processing of dynamic password device comprises, digital signal is decaptitated and truncated according to predetermined figure, take out two parts numeral according to pre-defined rule again, respectively as PIN code and check code.
Alternatively, coalignment mates and comprises digital signal based on default form, and coalignment mates digital signal based on predetermined number figure place.
Alternatively, coalignment mates and comprises digital signal based on default form, and coalignment is based on whether comprising in digital signal that default symbol mates digital signal.
Alternatively, apparatus for receiving audio, audio processing chip, coalignment, dynamic password device and electric power controller are integrated in a power-on management equipment.
Alternatively, sound signal is dual-tone multifrequency voice signal.
Alternatively, controlled electronic equipment is computing machine, smart mobile phone, personal digital assistant PDA, panel computer or handheld device.
The present invention is owing to having adopted technique scheme, thereby have the following advantages: the dynamic password starting-up method based on sound signal of the present invention, compared with existing audio frequency input password start-up mode, the management of employing dynamic password, further promote security and user's ease for use, economically, all devices are the common electronic component in market, alternative, calculating in consumption, add matching module management, needn't set lock machine operation, because matching process and dynamic password verification process have ensured security, matching process has reduced unnecessary error count and has calculated, can ensure the efficiency of start security performance and calculating, simultaneously, audio frequency adopts dual-tone multifrequency mode to make, apparatus for receiving audio is processed touch-tone signal, be easy to identification, be not easy to be subject to the interference of neighbourhood noise, the audio frequency of specific format contains random number, special word, the information compositions such as identifying code, greatly improve the difficulty that system is cracked.
Brief description of the drawings
Fig. 1 is the method flow diagram of a kind of dynamic password starting-up method based on sound signal of the present invention;
Fig. 2 is the block diagram that uses the boot system of a kind of dynamic password starting-up method based on sound signal of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
First, please refer to Fig. 1, Fig. 1 is the method flow diagram of a kind of dynamic password starting-up method based on sound signal of the present invention, and described starting-up method, for control that various electronic equipments are started shooting, ensures to only have by the validated user of checking to obtain the right to use that uses electronic equipment.Described starting-up method comprises the following steps:
Step 101: apparatus for receiving audio received audio signal, and the sound signal receiving is sent to audio processing chip;
Step 102: audio processing chip is converted into digital signal by undistorted sound signal, and digital signal is sent to coalignment;
Step 103: coalignment mates digital signal based on default form, if the match is successful, jumps to step 104, if it fails to match, jumps to step 105;
Step 104: digital signal is sent to dynamic password device by coalignment, dynamic password device is by the digital signal processing of decoding, to obtain the personal identification number (PIN) PIN code and the check code that distribute as client, generate dynamic verification code according to first element set based on MD5 hash algorithm, dynamic verification code and check code are compared, if consistent, jump to step 106, if inconsistent, jump to step 107, wherein, described first element set comprises PIN code, predetermined Public Key, customer information and temporal information, for example described first element set is PIN code, predetermined Public Key, customer information, temporal information and the private cipher key etc. distributing for client,
Step 105: signal sends to apparatus for receiving audio to coalignment by it fails to match, apparatus for receiving audio received audio signal again;
Step 106: starting-up signal is sent to electric power controller by dynamic password device, electric power controller is realized the start processing of controlled electronic equipment according to the starting-up signal receiving;
Step 107: dynamic password device to apparatus for receiving audio, is controlled apparatus for receiving audio received audio signal again by password authentification failure signal;
Wherein, sound signal is to be generated by external audio generating apparatus, external audio generating apparatus generates check code according to the second elements combination based on MD5 hash algorithm, and the PIN code coded combination distributing by check code with for client is encoded to digital signal, generate and output audio signal based on digital signal, the second elements combination comprises PIN code, predetermined Public Key, customer information and temporal information, and such as described the second elements combination is PIN code, predetermined Public Key, customer information, temporal information, predetermined active mode and predetermined key symbol etc.; Wherein, the decoding processing of dynamic password device is corresponding with the assembly coding of external audio generating apparatus, and the decoding processing of dynamic password device comprises, digital signal is decaptitated and truncated according to predetermined figure, take out two parts numeral according to pre-defined rule again, respectively as PIN code and check code.
Wherein, coalignment also mates and can comprise digital signal based on default form, coalignment is based on whether comprising in predetermined number figure place or digital signal that default symbol mates digital signal, apparatus for receiving audio, audio processing chip, coalignment, dynamic password device and electric power controller can be integrated in a power-on management equipment, sound signal is chosen as dual-tone multifrequency voice signal, and controlled electronic equipment comprises and is not limited to computing machine, smart mobile phone, personal digital assistant PDA, panel computer or handheld device;
In addition, MD5 hash algorithm is MD5, and Message Digest Algorithm MD5 (Chinese Message Digest Algorithm 5 by name), for the widely used a kind of hash function of computer safety field, in order to the integrity protection giving information.The narration concise and to the point to MD5 algorithm can be: MD5 processes the information of input with 512 groupings, and each grouping is divided into again 16 32 seat groupings, through after a series of processing, the output of algorithm is made up of four 32 groupings, will after these four 32 packet concatenation, will generate 128 hashed values.In MD5 algorithm, first need information to fill, make its long result to 512 complementations equal 448.Therefore, the position long (BitsLength) of information will be expanded to N*512+448, and N is a nonnegative integer, and N can be zero.The method of filling is as follows, information fill below one 1 and numerous 0, until just stop the filling by 0 pair of information while meeting condition above.Then, after this result, add one with message length before the filling of 64 binary representations.Through the processing of this two step, the long=N*512+448+64=in position (N+1) * 512 of information, length is 512 integral multiple just.The reason of doing is like this for meeting the requirement to message length in later process.Each computing of MD5 is all carried out computing by 128 end values and the i piece 512bit value of previous round.
In addition, dual-tone multifrequency is the signaling method of being developed by Bell Laboratory at (DTMF), analog of telephone line by voice-bearer transmits dialing information, each numeral is utilized the sinusoidal codes of two different frequency burst modes, and selecting double-tone mode is because he can distinguish dialing information reliably from voice.Generally, voice signal is difficult to cause the erroneous trigger to dtmf receiver.Dual-tone multifrequency is a kind of in the next numeral method of voice channel tone, and he can be used for, at analog voice channel command transmitting, therefore in communication, being widely used.So-called dual-audio specifically refers to that the signal higher with a frequency and the lower signal of a frequency superpose, for example, and the stack of 770HZ and 1209HZ signal, the stack of 697HZ and 1477HZ signal etc.
Then, with reference to figure 2, the present invention will be described in continuation, Fig. 2 is the block diagram that uses the boot system of a kind of dynamic password starting-up method based on sound signal of the present invention, described boot system comprises apparatus for receiving audio 21, audio processing chip 22, coalignment 23, dynamic password device 24 and electric power controller 25, apparatus for receiving audio 21 respectively with audio processing chip 22, coalignment 23, dynamic password device 24 connects, audio processing chip 22 is connected with coalignment 23, coalignment 23 is connected with dynamic password device 24, dynamic password device 24 is connected with electric power controller 25.
Wherein, apparatus for receiving audio 21 is microphone or other audio collecting devices.Apparatus for receiving audio 21, audio processing chip 22, coalignment 23, dynamic password device 24 and electric power controller 25 can be integrated in to a power-on management equipment, on the attached and controlled electronic equipment of described power-on management equipment, realize the power-on management to controlled electronic equipment.
The present invention adopts coalignment to do pre-service checking, the probability that external environment noise passes through hardly may, there is in addition dynamic password device to do further authentication, thereby can, improving security, energy-conservation and efficient while, needn't ensure safety by prescribed password authentication failed number of times.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order to make those skilled in the art can better understand this patent content; should not be understood as the restriction to this patent protection domain; change or modify as long as disclose spiritual any being equal to of doing according to this patent, all fall into this patent protection domain.
Claims (6)
1. the dynamic password starting-up method based on sound signal, is characterized in that, described starting-up method comprises:
Apparatus for receiving audio received audio signal, and the sound signal receiving is sent to audio processing chip;
Audio processing chip is converted into digital signal by undistorted sound signal, and digital signal is sent to coalignment;
Coalignment mates digital signal based on default form, if the match is successful, digital signal is sent to dynamic password device, if it fails to match, send it fails to match signal to apparatus for receiving audio to control apparatus for receiving audio received audio signal again;
Dynamic password device is by the digital signal processing of decoding, to obtain the PIN code and the check code that distribute as client, generate dynamic verification code according to first element set based on MD5 hash algorithm, dynamic verification code and check code are compared, if consistent, send starting-up signal to electric power controller, if inconsistent, send password authentification failure signal to apparatus for receiving audio to control apparatus for receiving audio received audio signal again, first element set comprises PIN code, predetermined Public Key, customer information and temporal information;
Electric power controller is realized the start processing of controlled electronic equipment according to the starting-up signal receiving;
Wherein, sound signal is to be generated by external audio generating apparatus, external audio generating apparatus generates check code according to the second elements combination based on MD5 hash algorithm, and the PIN code coded combination distributing by check code with for client is encoded to digital signal, generate and output audio signal based on digital signal, the second elements combination comprises PIN code, predetermined Public Key, customer information and temporal information;
Wherein, the decoding processing of dynamic password device is corresponding with the assembly coding of external audio generating apparatus, and the decoding processing of dynamic password device comprises, digital signal is decaptitated and truncated according to predetermined figure, take out two parts numeral according to pre-defined rule again, respectively as PIN code and check code.
2. starting-up method according to claim 1, is characterized in that:
Coalignment mates and comprises digital signal based on default form, and coalignment mates digital signal based on predetermined number figure place.
3. starting-up method according to claim 1, is characterized in that:
Coalignment mates and comprises digital signal based on default form, and coalignment is based on whether comprising in digital signal that default symbol mates digital signal.
4. starting-up method according to claim 1, is characterized in that:
Apparatus for receiving audio, audio processing chip, coalignment, dynamic password device and electric power controller are integrated in a power-on management equipment.
5. starting-up method according to claim 1, is characterized in that:
Sound signal is dual-tone multifrequency voice signal.
6. starting-up method according to claim 1, is characterized in that:
Controlled electronic equipment is computing machine, smart mobile phone, personal digital assistant PDA, panel computer or handheld device.
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| CN201410183294.6A CN103971042A (en) | 2014-05-04 | 2014-05-04 | Dynamic password booting method based on sound signals |
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| WO2016095375A1 (en) * | 2014-12-17 | 2016-06-23 | 捷开通讯(深圳)有限公司 | Mobile terminal and dtmf-based session authentication method therefor |
| CN106211050A (en) * | 2016-09-12 | 2016-12-07 | 青岛海信移动通信技术股份有限公司 | Wireless cipher sending method, method of reseptance, Apparatus and system |
| CN106656482A (en) * | 2016-11-14 | 2017-05-10 | 北京航天自动控制研究所 | Dynamic password combination generation method based on natural time sequence |
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Application publication date: 20140806 |