CN101563884A - Method and device for generating common data - Google Patents
Method and device for generating common data Download PDFInfo
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- CN101563884A CN101563884A CN200780047443.4A CN200780047443A CN101563884A CN 101563884 A CN101563884 A CN 101563884A CN 200780047443 A CN200780047443 A CN 200780047443A CN 101563884 A CN101563884 A CN 101563884A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
- H04L2209/805—Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor
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Abstract
The invention aims to easily generate data common to a plurality of communication devices (for instance, encryption key). A common data generating device (100) is provided with an acceleration sensor (101); a data extracting means (103) for extracting sensing data within a prescribed period from sensing data obtained by the acceleration sensor (101); and a common data generating means for generating common data based on the extracted sensing data.
Description
Technical field
The present invention relates to generate method and the equipment that is used for this method, relate more specifically to the equipment that generates the method for corporate data and be used for this method based on the sensing data that obtains by sensing common physical phenomenon the common data of a plurality of equipment.
Background technology
In recent years, along with the increase of the radio communications set number that is equipped with the function of visiting radio LAN (local area network (LAN)) or radio PAN (personal area network), the Wireless USB of radio LAN standard IEEE 802.11, use radio PAN standard etc. are in the attention that attracts people.The factor that the communicator number increases comprises the high convenience of radio communication, owing to do not need licence thereby introduce, be installed in the progress of the battery technology on the communicator and the low cost of communicator easily.
In radio communication, the authentication that is used for only correct user being connected to network is vital.Reason is, in radio communication, because the expansion of radio wave is difficult in and physically connection is limited to a network.
Verification System comprises two systems, and a system need share information in advance between authentication side and certified side, and a system does not need to share in advance information.Share in advance in the previous system of information at needs, the user need common information be set to authenticate the pre-information of sharing between side and the certified side.Do not needing to share in advance in the back system of information, though need not be arranged on the common information that authenticates between side and the certified side by the user, need be such as the infrastructure (infrastructure) the key transmission center, certificate server etc.
Among the radio LAN and radio PAN with small-scale operations, using more continually needs the pre-previous Verification System of sharing information in many cases, and this system does not need infrastructure.In IEEE 802.11 WEP (wireline equipment is maintained secrecy, Wired Equipment Privacy) or radio PAN standard WiMedia, what adopted is to need encryption key as the pre-challenge response Verification System of sharing information.
Share in advance in the system of information at needs, need common information be set as the pre-information of sharing by this or the sort of method.Pre-method of sharing information is set comprises two kinds of systems, a system is all come common information manually and jointly is set by manual input by the user in authentication side and certified side, and a system comes automatically and jointly to be provided with common information by using the secure communication path such as cable.Wireless USB will be a mathematical model by the previous system definition that manual input is provided with common information by the user, and a back system definition that will common information be set by communication path safe in utilization is cable model (referring to non-patent literature 1).
On the other hand, patent documentation 1 has proposed the data that sense with optical pickocff and has generated the method for encryption key as random number seed, as generating encryption key to be used in the method in the coded communication.But patent documentation 1 fails to consider the generation of the corporate data between a plurality of equipment.
The Japanese translation of patent documentation 1:PCT international publication No.2003-536299
The Association Models Supplementto the Certified Wireless Universal Serial Bus Specification that non-patent literature 1:2006 announced at March 2 (being supplemented with the correlation model that guarantees the radio universal serial bus technical specification), Revision 1.0.
Summary of the invention
Come manually and jointly to be provided with common information by the user by manual input and have following problem: input/affirmation interface should be installed be used to import common information as the pre-system of sharing information, the work complexity is set, and the third party may peep the pre-information of sharing.
On the other hand, the system that comes automatically and jointly to be provided with common information by the secure communication path of use such as cable has following problem: under the situation of communication equipment, need the private communication interface to transmit common information, rather than use the communication interface such as radio interface to come and other communication apparatus communication.
In view of said circumstances, an object of the present invention is to provide a kind of method and apparatus that is used to generate corporate data, this method and apparatus need not input/affirmation interface, be convenient to share the work that is provided with, prevent that the third party from peeping pre-shared information, and need not to be used for sharing the private communication interface of common information.
First illustrative aspects according to the present invention, a kind of generation comprises the generating common data of the common data of a plurality of equipment: first step, each equipment is by using transducer sensing and the common physical phenomenon of miscellaneous equipment simultaneously; And second step, based on the sensing data that obtains in described first step, each equipment utilization method identical with miscellaneous equipment generates corporate data.
Second illustrative aspects according to the present invention, a kind of corporate data generation equipment comprises: at least one transducer is used for sensing and the common physical phenomenon of miscellaneous equipment simultaneously; And the corporate data generation unit, be used for based on sensing data by the transducer acquisition, utilize the method identical to generate corporate data with miscellaneous equipment.
According to the present invention,, can eliminate the needs that input/affirmation interface is installed and be convenient to share the work that is provided with owing to can only generate the identical data common to the common physical phenomenon of a plurality of equipment to a plurality of equipment by the while sensing.
Description of drawings
Fig. 1 illustrates the block diagram that generates first exemplary embodiment of equipment according to corporate data of the present invention;
Fig. 2 is the diagrammatic sketch that the outward appearance perspective view of the equipment such as the communication equipment that is provided with corporate data generation equipment therein according to the present invention is shown;
Fig. 3 illustrates as the vibration that a plurality of corporate datas is generated the common physical phenomenon of equipment to be applied in to generate the diagrammatic sketch of corporate data;
Fig. 4 illustrates the diagrammatic sketch of the sequence of operation that generates first exemplary embodiment of equipment according to corporate data of the present invention;
Fig. 5 illustrates the block diagram that generates second exemplary embodiment of equipment according to corporate data of the present invention;
Fig. 6 illustrates the diagrammatic sketch of the sequence of operation that generates second exemplary embodiment of equipment according to corporate data of the present invention;
Fig. 7 is the block diagram according to first exemplary embodiment of communication equipment of the present invention;
Fig. 8 is the diagrammatic sketch that illustrates according to the sequence of operation of first exemplary embodiment of communication equipment of the present invention;
Fig. 9 is the block diagram that illustrates according to second exemplary embodiment of communication equipment of the present invention; And
Figure 10 is the diagrammatic sketch that illustrates according to the sequence of operation of second exemplary embodiment of communication equipment of the present invention.
Embodiment
(corporate data generates first exemplary embodiment of equipment)
With reference to figure 1, the corporate data of first exemplary embodiment generation equipment 100 comprises acceleration transducer 101, corporate data generation unit 102 and data extracting unit 103 according to the present invention.
A/D converting unit 104 will be converted to the digital sensing data from the analog sensed data of acceleration transducer 101 outputs, and the data after will changing output to buffer 105 and timing control unit 106.A/D converting unit 104 can have such as A/D conversion fixing or that can for example be applied by corporate data generation unit 102 sampling sensitivity that is provided with at random and the parameter the sample frequency are set.
Corporate data generation unit 102 has the function that generates corporate data based on sensing data acceleration transducer 101, that extracted by data extracting unit 103.
Next, will the detail operations that generate equipment 100 according to the corporate data of this exemplary embodiment be described with reference to figure 4.
For example when corporate data generates the power supply opening of equipment 100, the data that the sensing as analog signal obtains are exported in acceleration transducer 101 operations.When receiving the instruction that generates corporate data from the outside, corporate data generation unit 102 sends the instruction (steps A 1) that begins to operate to A/D converting unit 104.Consequently, A/D converting unit 104 will be converted to digital signal from the analog sensed data of acceleration transducer 101 outputs, and begin this signal is sent to buffer 105 and timing control unit 106.
Next, corporate data generation unit 102 indication timing control units 106 begin operation (steps A 2).Consequently, timing control unit 106 begins the operation that compares from the sensing data of A/D converting unit 104 output and the threshold value that sets in advance.Then, in timing place of the value that detects sensing data greater than threshold value, indication buffer 105 begins accumulation (steps A 3).When receiving instruction, buffer 105 begins to accumulate the sensing data from 104 outputs of A/D converting unit.
Corporate data generation unit 102 reads the sensing data (steps A 5) that is accumulated in the buffer 105, and, generate the incident of finishing with the corporate data that will comprise the corporate data that is generated and send to corporate data generation request source (steps A 6) based on the sensing data generation corporate data that is read.
The output bit number of for example supposing A/D converting unit 104 is 16 bits, and sample frequency is 1ms, and set time T is 10ms, then the accumulation digital sensing data of ten 16 bits altogether in buffer 105.The value of these ten digital sensing datas be applied simultaneously as shown in Figure 3 between a plurality of equipment 100 of identical vibration basic identical.Therefore, make a plurality of equipment 100 have identical method and will make that the corporate data that is generated is identical from sensing data generation corporate data.May revising of generating common data: the method that the maximum sensing data in the sensing data that is obtained is assumed to be corporate data such as following the whole bag of tricks, value is assumed to be the method for corporate data for time big sensing data, and the method that each the combination of high eight bits of maximum sensing data and time big sensing data is assumed to be corporate data.Can also will be assumed to be corporate data by the data that the identical logical operation (displacement etc.) of identical sensing data experience is obtained.
(corporate data generates the effect of first exemplary embodiment of equipment)
Next, will the effect of this exemplary embodiment be described.
According to this exemplary embodiment, can be only generate equipment 100 and generate the data common these equipment 100 by shaking a plurality of corporate datas together.
In addition, according to this exemplary embodiment, on each corporate data generation equipment 100, provide coupling guiding element 202 and 203 to make it possible under the situations that their acceleration transducer 101 is aimed at mutually, integrally shake a plurality of equipment 100, thereby make that the sensing data of two acceleration transducers 101 is identical.
In addition, according to this exemplary embodiment, because timing control unit 106 monitoring are from the sensing data of A/D converting unit 104 outputs, and indication buffer 105 begins accumulation when the value that detects sensing data surpasses predetermined threshold for the first time, after this indicate buffer 105 to finish accumulation after the predetermined in the past set time T, so the data of the identical time period of extracting data that can obtain from the acceleration transducer sensing that is generated equipment 100 by a plurality of corporate datas, the result makes corporate data identical.
(corporate data generates second exemplary embodiment of equipment)
With reference to figure 5, the corporate data of second exemplary embodiment generates equipment 300 and is to comprise correcting unit 107 with the difference that the corporate data according to first exemplary embodiment shown in Figure 1 generates equipment 100 according to the present invention.
The sensing data that correcting unit 107 is accepted from corporate data generation unit 102 is carried out and is proofreaied and correct so that sensing data equates between a plurality of equipment, and will turn back to corporate data generation unit 102 through the sensing data of overcorrect.Corporate data generation unit 102 generates corporate data based on this sensing data through overcorrect.
Fig. 6 shows the sequence of operation that corporate data generates equipment 300, the difference of itself and first exemplary embodiment shown in Figure 4 is steps A 7 and A8, more specifically, when when buffer 105 reads sensing data (steps A 5), corporate data generation unit 102 sends these data to correcting unit 107 (steps A 7).Correcting unit 107 carries out predetermined correction at the sensing data that is received, and will return to corporate data generation unit 102 through the sensing data of overcorrect.Corporate data generation unit 102 generates corporate data (steps A 8) based on the sensing data through overcorrect.
The possible bearing calibration of being carried out by correcting unit 107 comprises following method:
A) remove noise by making sensing data transmit the Noise gate filter.
B) come the normalization sensing data by making sensing data transmit the normalization filter.
C) by with the correcting unit 107 a part of sensing datas of exchange of the miscellaneous equipment that generates corporate data and the data after will exchange compare the calculation correction parameter with the corresponding sensing data of equipment self, and based on this correction parameter correction sensing data.For example, compare mutually by X, Y and Z durection component the acceleration information of multistage exchange, and the deviation of calculating angular deviation or sensing sensitivity is as correction parameter, based on this correction parameter sensing data is carried out rotation or extension process, thereby make that sensing data is identical between a plurality of equipment.
D) by using the sensing data that obtains by a plurality of transducers to come the calculation correction parameter, to proofread and correct sensing data based on this correction parameter.For example, except acceleration transducer 101, also provide the angular-rate sensor that is used to proofread and correct with sensing and the acceleration transducer angular speed of 101 identical time periods, and, only consider that corresponding angular velocity is not more than the part of particular fixed threshold value as the sensing data after proofreading and correct for the acceleration sensing data that obtain from acceleration transducer.
(corporate data generates the effect of second exemplary embodiment of equipment)
Next, will the effect of this exemplary embodiment be described.
According to this exemplary embodiment, even when the sensing data of the acceleration transducer 101 of accumulation in the buffer 105 at two equipment because comprise noise, when the variation of acceleration transducer 101 aspect of performances and the deviation in the direction of the acceleration transducer 101 that applies two equipment that cause when vibrating or position have deviation, because correcting unit 107 is provided, so it also can be corrected as identical sensing data, thereby can be so that as a result of the corporate data that generates is identical between a plurality of equipment.
(corporate data generates other exemplary embodiment of equipment)
Though in the exemplary embodiment in front, sensed by the acceleration that vibration causes as common physical phenomenon, can use other any physical phenomenon, as long as they are to make that a plurality of equipment can simultaneously sensed physical phenomenon.In this case, can replace acceleration transducer and use necessary transducer.More specifically, can use angular-rate sensor, azimuth sensor, position transducer, inclination sensor, pressure sensor, magnetic sensor, optical pickocff, sound transducer, cosmic ray transducer, rainfall transducer, sunshine recorder, wind transducer, air velocity transducer, wave force transducer, flow sensor, pollen transducer, temperature sensor and humidity sensor as the transducer different with acceleration transducer.
Though in the exemplary embodiment in front, timing control unit 106 indication buffers 105 begin accumulation in timing place that the acceleration sensing data surpass predetermined threshold first, the timing of sending the instruction that begins to accumulate is not limited thereto, and can be provided with arbitrarily.In addition, in the time of can changing in the output of the sensing data different, send the instruction that begins to accumulate with the acceleration sensing data.For example can send the instruction that begins to accumulate at the time point place that detects voice " beginning " by speech recognition.
Though in the exemplary embodiment in front, timing control unit 106 sends the instruction that finishes accumulation after lighting over set time T from the time of sending the accumulation sign on, but the timing of sending the instruction that finishes accumulation is not limited thereto, and can be provided with arbitrarily.For example, can become and send the instruction that finishes accumulation when being not more than another threshold value that sets in advance detecting the acceleration sensing data, perhaps be similar to the modification of accumulation sign on, send the accumulation END instruction in the time of can changing in the output of another sensing data.
(first exemplary embodiment of communication equipment)
With reference to figure 7, have according to corporate data of the present invention as coded communication equipment 400 and to generate equipment 500, ciphering unit 401 and communication unit 402 according to first exemplary embodiment of communication equipment of the present invention.
It is to generate equipment 100 or corporate data shown in Figure 5 with corporate data shown in Figure 1 to generate the identical equipment of equipment 300 that corporate data generates equipment 500.
Receive corporate data and generate when finishing incident generating equipment 500 from corporate data, the corporate data that ciphering unit 401 comprises in event notice is set to encryption key.When receiving the encryption request from communication unit 402, ciphering unit 401 is enciphered by using the data that comprise in the encryption key request of will encrypting, and returns to communication unit 402 with the data after will enciphering.When receiving the decoding request from communication unit 402, ciphering unit 401 is further decoded to the data that comprise in the decoding request, and decoded data are turned back to communication unit 402.
Communication unit 402 will comprise that the encryption request of the data that will be interpreted into password sends to ciphering unit 401 when sending, to receive the data after enciphering.Then, the data after will encipher in this unit send to other coded communication equipment.When receiving, communication unit 402 will comprise that the decoding request of the data after the enciphering that receives from other coded communication equipment sends to ciphering unit 401, and receive decoded decoded data.
Next, with reference to figure 8, with the operation of describing according to the coded communication equipment 400 of this exemplary embodiment.
At first, the key setting operation will be described.At first, be similar to above-mentioned exemplary embodiment, corporate data generates equipment 500 and generates corporate data.The corporate data that has generated corporate data generates equipment 500 and starts corporate data generation incident, and the corporate data that generates is sent to ciphering unit 401.Ciphering unit 401 generates when finishing incident sensing the corporate data that generates equipment 500 from corporate data, and the corporate data that comprises in the event notice is set to encryption key (step B1).
Next, will the operation of enciphering and handling be described.At first, from any inside of coded communication equipment 400 or outside when sending request source and receiving the transmission request that comprises data, communication unit 402 sends the encryption request that comprises data to ciphering unit 401.The ciphering unit 401 that has received the request of encryption is enciphered by using the data that comprise in the encryption key request of will encrypting, and it is returned to communication unit 402.Receive the data that the communication unit 402 of the data after the enciphering will encipher and sent to other coded communication equipment (step B2).
Next, the decoding processing operation will be described.At first, from any inside of coded communication equipment 400 or outside when receiving request source and receiving the reception request of the data after comprising enciphering, communication unit 402 sends the decoding request of the data after comprising this enciphering to ciphering unit 401.The ciphering unit 401 that has received this decoding request is decoded by the data after using encryption key to the enciphering that comprises in the decoding request, and decoded data are sent to communication unit 402.The communication unit 402 that has received decoded data is finished reception processing (step B3).
Though in the superincumbent description, the corporate data that self is generated by corporate data generation equipment 500 is used as encryption key, but can be used as encryption key by the data that the such or such operation of corporate data experience is obtained, for example, convert the corporate data of the required bit length of cryptographic algorithm to as encryption key.
(effect of first exemplary embodiment of communication equipment)
Next, will the effect of this exemplary embodiment be described.
According to this exemplary embodiment, can only common encryption key be set by a plurality of coded communication equipment 400 common physical phenomenons of sensing.This has eliminated the needs of input/affirmation interface, is convenient to encryption key work is set, and prevents that the third party from peeping encryption key, and has eliminated the needs of the private communication interface that is used for shared encryption key.
(second exemplary embodiment of communication equipment)
With reference to figure 9, have according to corporate data of the present invention as group communication devices 600 and to generate equipment 500, scalar/vector 601 and communication unit 602 according to second exemplary embodiment of communication equipment of the present invention.
It is to generate the identical equipment of equipment 300 with corporate data generation unit 100 shown in Figure 1 or corporate data shown in Figure 5 that corporate data generates equipment 500.
Receive corporate data and generate when finishing incident generating equipment 500 from corporate data, scalar/vector 601 is based on the corporate data generated group group address that comprises in the event notice.More specifically, for example, this unit is converted to corporate data to have as the defined bit length of group address, perhaps data is converted to the address expression formula of being held in the group address space.The scalar/vector 601 of generated group group address sends the address setting request that comprises the group address that is generated to communication unit 602.
When receiving the address setting request that comprises group address, communication unit 602 is provided with group address.In addition, when receiving the transmission request that comprises data, communication unit 602 is provided with group address and the data that obtained is sent to channel in data.In addition, when receiving the reception request that comprises data, the destination-address that comprises in 602 pairs of data of communication unit confirms, and and if only if destination-address with when consistent, just receive data by the group address that himself is provided with.
Next, with reference to Figure 10, with the operation of describing according to the group communication devices 600 of this exemplary embodiment.
At first the group address setting operation will be described.At first, corporate data generates equipment 500 and similarly generates corporate data with above-mentioned exemplary embodiment.The corporate data that has generated corporate data generates equipment 500 startup corporate datas generations and finishes incident, and the corporate data that is generated is sent to scalar/vector 601 (step C1).Scalar/vector 601 is according to this corporate data generated group group address, and sends the address setting request (step C2) that comprises the group address that is generated to communication unit 602.
Next, send the operation of handling with describing.From any inside of group communication devices 600 or outside when sending request source and receiving the transmission request that comprises data, communication unit 602 is provided with group address and the data that obtained is sent to channel (step C3) in data.
Next, receive the operation of handling with describing.From any inside of group communication devices 600 or outside when receiving request source and receiving the reception request that comprises data, the destination-address of 602 pairs of data of communication unit is confirmed, and and if only if destination-address when consistent with the group address of himself, just receives data (step C4).
(effect of second exemplary embodiment of communication equipment)
Next, will the effect of this exemplary embodiment be described.
According to this exemplary embodiment, can only the common group address be set by a plurality of group communication devices 600 common physical phenomenons of sensing.This has eliminated the needs of input/affirmation interface, is convenient to group address work is set, and prevents that the third party from peeping group address, and has eliminated the needs of the private communication interface that is used for shared group address.
As previously described, corporate data according to this exemplary embodiment according to the present invention generates equipment and communication equipment, when a plurality of equipment by using identical transducer simultaneously during the common physical phenomenon of sensing, substantially the same sensing data is obtained, thereby will be identical data based on sensing data between a plurality of equipment by the corporate data that same procedure generates.
Therefore, only by the common physical phenomenon of the while a plurality of equipment of sensing, the identical data common to a plurality of equipment can be generated, thereby can eliminate the needs of input/affirmation interface and be convenient to share the work that is provided with.In addition, can prevent that the third party from peeping pre-shared information, and eliminate the needs of the private communication interface that is used for shared common information.
(execution mode of other of communication equipment)
Though utilize corporate data to communicate by letter in the above embodiment, also can be the communication that sends corporate data.
By making the transducer that is loaded on the corporate data generation equipment be positioned at the end, can reduce the deviation of the sensing data of a plurality of Equipment Inspections.For example, load acceleration transducer,, also can reduce the deviation of the sensing data of a plurality of Equipment Inspections even the user has carried out rotating the motion of wrist by end at communication equipment.This be because: the rotating shaft position between two transducers not of rotating the motion of wrist.Wherein, " end " not only refers to the end of equipment physically, also points out the end of the equipment on knowing.For example, even transducer is loaded in the center of certain equipment, if but can think that the end of hand held the center of this equipment, then be exactly the end.
Fig. 2 is the figure that the concrete outward appearance formation example of corporate data generation equipment according to the embodiment of the present invention is shown.
With reference to figure 2, the back side that generates the housing 201 of equipment 100 at the corporate data according to this exemplary embodiment is provided with coupling guiding element 202 and 203, and described coupling guiding element makes the position of aiming at other corporate data generation equipment acceleration transducer 101 separately and is being coupled.The coupling guiding element 202 that is located at the upper end is constructed to spill, and the coupling guiding element 203 that is located at the bottom is constructed to convex, with the concave portions engagement of coupling guiding element 202.In addition, acceleration transducer 101 is set at the core near the dorsal part of equipment 100, with the mode that the coupling guiding element 203 and the coupling guiding element 202 of another equipment mesh two back sides are aimed in case two corporate datas are generated coupling guiding element 202 and the coupling guiding element 203 that equipment 100 turn upside down with an equipment, then the acceleration transducer 101 of two equipment 100 is in approximating position.
Fig. 3 illustrates in order to generate common data a plurality of corporate data generation equipment have been applied figure as the situation of the vibration of common physical phenomenon.
With reference to figure 3, when a plurality of corporate datas according to present embodiment being generated equipment 100 set common data, at the coupling guiding element 202 and 203 and make under the situations that two acceleration transducers 101 aim at mutually that is located at as utilization as described in reference to figure 2 in each equipment 100, for example personnel selection holds and shakes two equipment 100.Consequently, the acceleration that two acceleration transducer 101 sensings are caused by the vibration as the common physical phenomenon of two equipment, thus on the buffer 105 of two equipment, be accumulated in detected sensing data of same time period.The corporate data generation unit 102 of two equipment generates corporate data based on the sensing data of accumulation on buffer 105 with same procedure.
Here, because two corporate datas generate equipment 100 by coupling guiding element 202 and 203 couplings, both will integrally vibrate, and two acceleration transducers 101 are also approaching on the position, so the acceleration that equates is applied to two acceleration transducers 101.In addition, because it is identical to be included in two corporate datas generation equipment 100 in the equipment 100, so data that obtained by acceleration transducer 101 sensings of two equipment and the sensing data that extracted by data extracting unit 103 be also with identical, thereby two equipment 100, will be same data from the corporate data that identical sensing data generates by same procedure.Therefore, according to present embodiment, only just can generate the same data common to a plurality of equipment by the common physical phenomenon of a plurality of equipment of while sensing.
Combination by reference
The application requires the priority of the Japanese patent application No.2006-340907 that submits to based on December 19th, 2006, and in conjunction with all disclosures of this application.
Industrial applicability
Be applicable to radio PAN device, just according to generating common data of the present invention and equipment Take formula game machine, wearable PC, live telecast (vivo) I/O communication system, disaster alarm system System etc.
Claims (19)
1. a generation comprises the generating common data of the common data of a plurality of equipment:
First step, each equipment is by using transducer sensing and the common physical phenomenon of miscellaneous equipment simultaneously; And
Second step, based on the sensing data that obtains in described first step, each equipment utilization method identical with miscellaneous equipment generates corporate data.
2. generating common data according to claim 1, wherein, described second step comprises the processing of extracting with the sensing data of identical time period of miscellaneous equipment from the sensing data that described transducer obtains.
3. generating common data according to claim 1, wherein, described second step comprises that it is identical processing between described a plurality of equipment that described sensing data is proofreaied and correct.
4. a corporate data generates equipment, comprising:
At least one transducer is used for sensing and the common physical phenomenon of miscellaneous equipment simultaneously; And
The corporate data generation unit is used for utilizing the method identical with miscellaneous equipment to generate corporate data based on the sensing data by described transducer acquisition.
5. corporate data according to claim 4 generates equipment, comprise data extracting unit, be used for from the sensing data extraction of described transducer acquisition and the sensing data of identical time period of miscellaneous equipment, and these data are outputed to described corporate data generation unit.
6. corporate data according to claim 5 generates equipment, wherein, the sensing data that described data extracting unit monitoring is obtained by described transducer is to extract from detecting the sensing data of the time period of sensing data till satisfying the termination condition of determining jointly with miscellaneous equipment of satisfying the beginning condition of determining jointly with miscellaneous equipment.
7. corporate data according to claim 6 generates equipment, and wherein, described data extracting unit comprises:
The A/D converting unit is used for the analog sensed data from described transducer output are converted to the digital sensing data,
Buffer is used to store described digital sensing data, and
Timing control unit is used for carrying out following control: monitor described digital sensing data and in the accumulation of described buffer from detecting the described digital sensing data of the time period of sensing data till satisfying described termination condition of satisfying described beginning condition.
8. corporate data according to claim 4 generates equipment, comprises correcting unit, is used for described sensing data is proofreaied and correct to identical between a plurality of equipment.
9. corporate data according to claim 8 generates equipment, and wherein, described correcting unit is carried out described correction based on the sensing data that is obtained by correcting sensor.
10. corporate data according to claim 8 generates equipment, and wherein, described correcting unit is carried out described correction based on the correction data that receives from miscellaneous equipment.
11. corporate data according to claim 10 generates equipment, wherein, described correction data is the data by the part of the sensing data of miscellaneous equipment acquisition.
12. corporate data according to claim 8 generates equipment, wherein, described correcting unit carries out extracting from described sensing data the processing of feature.
13. corporate data according to claim 4 generates equipment, wherein, described transducer be the following any one: acceleration transducer, angular-rate sensor, azimuth sensor, position transducer, inclination sensor, pressure sensor, magnetic sensor, optical pickocff, sound transducer, cosmic ray transducer, rainfall transducer, sunshine recorder, wind transducer, air velocity transducer, wave force transducer, flow sensor, pollen transducer, temperature sensor and humidity sensor.
14. a communication equipment comprises communication unit, this communication unit communicates by using by the corporate data that generates according to any described corporate data generation equipment in the claim 4 to 13.
15. communication equipment according to claim 14 wherein, generates private key based on described corporate data.
16. communication equipment according to claim 14, wherein, based on described corporate data generated group group address to be used to carry out group communication.
17. a communication equipment comprises communication unit, this communication unit sends by the corporate data according to any described corporate data generation equipment generation in the claim 4 to 13.
18. according to claim 14 or 17 described communication equipments, wherein, the position of transducer is in the end.
19., wherein, have and be used for the coupling guiding element aiming at the position of transducer separately and be coupled with miscellaneous equipment according to claim 14 or 17 described communication equipments.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006340907 | 2006-12-19 | ||
| JP340907/2006 | 2006-12-19 | ||
| PCT/JP2007/074214 WO2008075638A1 (en) | 2006-12-19 | 2007-12-17 | Method and device for generating common data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101563884A true CN101563884A (en) | 2009-10-21 |
| CN101563884B CN101563884B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780047443.4A Expired - Fee Related CN101563884B (en) | 2006-12-19 | 2007-12-17 | Method and device for generating common data |
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| Country | Link |
|---|---|
| JP (1) | JPWO2008075638A1 (en) |
| CN (1) | CN101563884B (en) |
| WO (1) | WO2008075638A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283175A (en) * | 2010-12-28 | 2013-09-04 | 日本电气株式会社 | Method of generating key |
| CN107707518A (en) * | 2016-08-09 | 2018-02-16 | 联想（新加坡）私人有限公司 | Device and method for the information security based on affairs |
| CN107949818A (en) * | 2015-09-08 | 2018-04-20 | 索尼公司 | Information processing equipment, method and computer program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5463516B2 (en) * | 2009-02-13 | 2014-04-09 | 日本電気株式会社 | Encryption key generation system, encryption key generation method, and encryption key generation program |
| JP6237363B2 (en) | 2014-03-14 | 2017-11-29 | ソニー株式会社 | Information processing apparatus, information processing method, and computer program |
| JP6037466B2 (en) * | 2014-07-30 | 2016-12-07 | インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ | Authentication apparatus, program, and method |
| HUE053563T2 (en) | 2015-10-30 | 2021-07-28 | Ericsson Telefon Ab L M | Establishing a secret shared between a first communications device and at least one second communications device |
| US10187204B2 (en) | 2015-11-17 | 2019-01-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Generating a key for use as a shared secret |
| JP6591294B2 (en) * | 2016-01-13 | 2019-10-16 | Kddi株式会社 | IDENTIFICATION INFORMATION GENERATION DEVICE, IDENTIFICATION INFORMATION GENERATION METHOD, AND IDENTIFICATION INFORMATION GENERATION PROGRAM |
| JP7034327B2 (en) * | 2019-09-20 | 2022-03-11 | 中国科学院深▲チェン▼先進技術研究院 | Wireless body area network and its key generation method, allocation method and related equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10142340A (en) * | 1996-11-08 | 1998-05-29 | Tsuyusaki Tomoko | Random number generator and encryption unit |
| JP2007102373A (en) * | 2005-09-30 | 2007-04-19 | Toshiba Corp | Wireless communication equipment and music reproduction device |
-
2007
- 2007-12-17 WO PCT/JP2007/074214 patent/WO2008075638A1/en active Application Filing
- 2007-12-17 CN CN200780047443.4A patent/CN101563884B/en not_active Expired - Fee Related
- 2007-12-17 JP JP2008550134A patent/JPWO2008075638A1/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283175A (en) * | 2010-12-28 | 2013-09-04 | 日本电气株式会社 | Method of generating key |
| CN107949818A (en) * | 2015-09-08 | 2018-04-20 | 索尼公司 | Information processing equipment, method and computer program |
| US11314333B2 (en) | 2015-09-08 | 2022-04-26 | Sony Corporation | Information processing device, method, and computer |
| CN107707518A (en) * | 2016-08-09 | 2018-02-16 | 联想（新加坡）私人有限公司 | Device and method for the information security based on affairs |
| CN107707518B (en) * | 2016-08-09 | 2020-12-08 | 联想（新加坡）私人有限公司 | Apparatus and method for transaction-based message security |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101563884B (en) | 2013-03-27 |
| WO2008075638A1 (en) | 2008-06-26 |
| JPWO2008075638A1 (en) | 2010-04-08 |
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