CN103795537A - Authentication method and terminal equipment - Google Patents
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- CN103795537A CN103795537A CN201310522099.7A CN201310522099A CN103795537A CN 103795537 A CN103795537 A CN 103795537A CN 201310522099 A CN201310522099 A CN 201310522099A CN 103795537 A CN103795537 A CN 103795537A
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Abstract
The invention provides an authentication method and terminal equipment. The method comprises the following steps that: a first terminal device and a second terminal device are arranged in a touch mode; when the second terminal device vibrates, the first terminal device detects vibration of the device itself; the first terminal device generates a secret key according to the vibration of the device itself, wherein the vibration of the first terminal device itself is caused by the vibration of the second terminal device; and the first terminal device applies the secret key to the second terminal device to carry out identity authentication. According to the embodiment of the invention, the secret key can be generated based on vibration and identity authentication is carried out according to the generated secret key.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of authentication method and terminal equipment.
Background technology
The English full name of NFC(is: Near Field Communication, Chinese translation is: close range wireless communication) etc. in near-field communication process, communicating pair need to carry out authentication conventionally.
Existing authentication method mainly contains: for example, carry out authentication based on hardware (the high camera of rate respectively), the touch-control time interval based on Touch Screen is carried out authentication etc.
As more mode how realizes near-field communication both sides' authentication, to promote communications security, be current research focus.
Summary of the invention
The embodiment of the present invention provides a kind of authentication method and terminal equipment, can generate secret key according to the vibrations of terminal equipment, thereby carry out authentication.
The embodiment of the present invention adopts following technical scheme:
First aspect, provides a kind of authentication method, comprising:
First terminal equipment contacts placement with the second terminal equipment, when described the second terminal equipment vibrations, the vibrations of described first terminal equipment Inspection self, described first terminal equipment generates secret key according to the vibrations of self, wherein, the vibrations of described first terminal equipment self are caused by described the second terminal equipment vibrations;
Described first terminal equipment applies described secret key and described the second terminal equipment carries out authentication.
Optionally, described first terminal equipment generates secret key according to the vibrations of self and comprises:
Acceleration amplitude in described first terminal equipment records self vibration process obtains the first acceleration amplitude sequence;
Saturated vibration region and non-saturated area in the first acceleration amplitude sequence described in described first terminal recognition of devices;
Described first terminal equipment aligns saturated vibration region in described the first acceleration amplitude sequence with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in described the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, described the second acceleration amplitude sequence is obtained by the acceleration amplitude in described the second terminal device records self vibration process;
Generate described secret key according to described the 3rd acceleration amplitude sequence.
Optionally, describedly generate described secret key according to described the 3rd acceleration amplitude sequence and comprise:
Shake described the 3rd acceleration amplitude sequence assignment according to saturated vibrations and unsaturation, obtain the 4th acceleration amplitude sequence;
Described the 4th acceleration amplitude sequence is carried out to Hash operation and obtain described secret key.
Optionally, described in described first terminal recognition of devices, in the first acceleration amplitude sequence, saturated vibration region and non-saturated area comprise:
Each vibrations fragment in described first terminal classification of equipment vibrations process;
The peak swing of each vibrations fragment in described first terminal equipment records vibrations process, forms the peak swing sequence of saturated vibrations sequence;
Determine acceleration amplitude threshold values according to the peak swing sequence of described saturated vibrations sequence;
The vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is greater than described acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is less than described acceleration amplitude threshold values is positioned at non-saturated region.
Optionally, the acceleration amplitude in described first terminal equipment records self vibration process obtains the first acceleration amplitude sequence and comprises:
According to the vibrations mark of described the second terminal equipment, definite frame of reference;
Apply the described frame of reference and record described the first acceleration amplitude sequence.
Optionally, described first terminal equipment aligns saturated vibration region in described the first acceleration amplitude sequence to comprise with saturated vibration region in the second acceleration amplitude sequence:
Each vibrations fragment initial time point in described first terminal equipment records self vibration processes and the finish time point, obtain the first vibrations fragment time series;
Described first terminal equipment obtains the second vibrations fragment time series that described the second terminal equipment sends, and described the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in described the second terminal device records self vibration processes and the finish time;
Described first terminal equipment aligns described the first vibrations fragment time series with described the second vibrations fragment time series.
Second aspect, provides a kind of Verification System, and described system comprises first terminal equipment and the second terminal equipment, and described first terminal equipment contacts placement with above-mentioned the second terminal equipment, and described first terminal equipment comprises detection module and authentication module, wherein:
Described the second terminal equipment, for initiating vibrations;
Described detection module, for in the time that described the second terminal equipment shakes, detect the vibrations of first terminal equipment self, generate secret key according to the vibrations of first terminal equipment self, wherein, the vibrations of described first terminal equipment self are caused by described the second terminal equipment vibrations;
Authentication module, for applying described secret key and described the second terminal equipment carries out authentication.
Optionally, described detection module specifically for, the acceleration amplitude recording in described first terminal equipment self vibration process obtains the first acceleration amplitude sequence; Identify saturated vibration region and non-saturated area in described the first acceleration amplitude sequence; Saturated vibration region in described the first acceleration amplitude sequence is alignd with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in described the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, described the second acceleration amplitude sequence is obtained by the acceleration amplitude in described the second terminal device records self vibration process; Generate described secret key according to described the 3rd acceleration amplitude sequence.
Optionally, described detection module specifically for, divide each vibrations fragment in vibrations processes; Record the peak swing of each vibrations fragment in vibrations process, form the peak swing sequence of saturated vibrations sequence; Determine acceleration amplitude threshold values according to the peak swing sequence of described saturated vibrations sequence; The vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is greater than described acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is less than described acceleration amplitude threshold values is positioned at non-saturated region.
Optionally, described detection module specifically for, record each vibrations fragment initial time point in described first terminal equipment self vibration processes and the finish time point, obtain the first vibrations fragment time series; Obtain the second vibrations fragment time series that described the second terminal equipment sends, described the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in described the second terminal device records self vibration processes and the finish time; Described the first vibrations fragment time series is alignd with described the second vibrations fragment time series.
Based on technique scheme, the authentication method of the present embodiment and terminal equipment, first terminal equipment contacts placement with the second terminal equipment, when the second terminal equipment vibrations, the vibrations of first terminal equipment Inspection self also generate secret key according to the vibrations of self, and first terminal equipment application secret key and the second terminal equipment carry out authentication.Thereby realize according to vibrations and generate secret key, and carry out authentication according to the secret key of Shanghai.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of a kind of authentication method that Fig. 1 provides for the embodiment of the present invention 1;
The flow chart of a kind of authentication method that Fig. 2 provides for the embodiment of the present invention 2;
The acceleration amplitude sequence example one that Fig. 3 provides for the embodiment of the present invention 2;
The acceleration amplitude sequence example two that Fig. 4 provides for the embodiment of the present invention 2;
The zone of saturation example one that Fig. 5 provides for the embodiment of the present invention 2;
The zone of saturation example two that Fig. 6 provides for the embodiment of the present invention 2;
The zone of saturation alignment example one that Fig. 7 provides for the embodiment of the present invention 2;
The zone of saturation alignment example two that Fig. 8 provides for the embodiment of the present invention 2;
The structural representation of a kind of terminal equipment that Fig. 9 provides for the embodiment of the present invention 3.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, at the every other embodiment that does not have to obtain under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present embodiment provides a kind of authentication method, comprising:
11, first terminal equipment contacts placement with the second terminal equipment, when the second terminal equipment vibrations, the vibrations of first terminal equipment Inspection self, first terminal equipment generates secret key according to the vibrations of self, wherein, the vibrations of first terminal equipment self are caused by the second terminal equipment vibrations.
12, first terminal equipment application secret key and the second terminal equipment carry out authentication.
Terminal equipment in the embodiment of the present invention can be the subscriber equipment such as mobile phone, lithographic plate computer.
The authentication method of the present embodiment, first terminal equipment contacts placement with the second terminal equipment, when the second terminal equipment vibrations, the vibrations of first terminal equipment Inspection self also generate secret key according to the vibrations of self, and first terminal equipment application secret key and the second terminal equipment carry out authentication.Thereby realize according to vibrations and generate secret key, and carry out authentication according to the secret key of Shanghai.
As shown in Figure 2, the present embodiment provides a kind of authentication method, comprising:
21, first terminal equipment contacts placement with the second terminal equipment, and first terminal equipment is according to the vibrations mark of the second terminal equipment, and definite frame of reference.
Particularly, the vibrations mark of the second terminal equipment is used for notifying first terminal equipment to start authentication, and the vibrations mark of the second terminal equipment can be specific vibration frequency or the initiating sequence that specifically shakes duration.For example, the time series that the second terminal equipment can shake 200ms, 200ms is static is as the mark that starts authentication, and notice first terminal device authentication starts.
First terminal equipment is in the time determining the frame of reference, the vibrations that can send according to the second terminal equipment identify the self vibration causing, and record the accekeration in each reference axis, determine respectively the average acceleration amplitude on reference axis x-, y-, z-, choose the coordinate sequence of maximum average acceleration amplitude as reference coordinate.
22, self the vibrations that first terminal equipment Inspection the second terminal equipment vibrations cause, and the acceleration amplitude that fired basis conventional coordinates records in self vibration process obtains the first acceleration amplitude sequence.
After the second terminal equipment sends vibrations mark, the second terminal equipment is initiated vibrations, as shown in Figure 3, the acceleration amplitude that first terminal equipment note self record vibrations produce obtains the first acceleration amplitude sequence, simultaneously, as shown in Figure 4, the acceleration amplitude that the second terminal device records self vibration produces obtains the second acceleration amplitude sequence.
23, saturated vibration region and non-saturated area in first terminal recognition of devices the first acceleration amplitude sequence.
Particularly, each vibrations fragment in first terminal classification of equipment vibrations process, record the peak swing of each vibrations fragment in vibrations process, form the peak swing sequence of saturated vibrations sequence, determine acceleration amplitude threshold values according to the peak swing sequence of saturated vibrations sequence, the vibrating plate section that in the first acceleration amplitude sequence, acceleration amplitude is greater than acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in the first acceleration amplitude sequence, acceleration amplitude is less than acceleration amplitude threshold values is positioned at non-saturated region.
For example, first terminal equipment can be divided each vibrations fragment in vibrations process according to acceleration amplitude rising edge rate of change (REVR) in stationary window W and trailing edge rate of change (FEVR).Particularly, in sliding window W, acceleration sequence A=<A
1, A
2..., A
i..., A
n, if there is the longest subsequence Asub that increases progressively ,=<A in >
k1, A
k2..., A
ki..., A
km>; Wherein k1 < k2 < ... < ki < ... < km.If
rEVR > 1-ξ, ξ ∈ (0,1), thinks that A is acceleration rising edge edge; In sliding window W, acceleration sequence A=<A
1, A
2..., A
i..., A
n, if there is the longest subsequence A that successively decreases in >
sub,=<A
k1, A
k2..., A
ki..., A
km>: wherein k1 < k2... < ki < ... < km.If
fEVR > 1-ξ, ξ ∈ (0,1), thinks that A is acceleration trailing edge edge.Due to
when specific implementation, sliding window can be less, to can reflect more sensitively the situation of change of acceleration.
in the embodiment of the present invention, for acceleration rising edge each time and its corresponding trailing edge for once shaking fragment.
In the embodiment of the present invention, can preset the size of sliding window W, thereby improve this fragment discrimination.Through verification experimental verification, when sliding window | when W|<5, discrimination is along with increase and the increase of W.When | when W|=5, discrimination reaches and is up to 100%.When | when W|>5, discrimination is along with the increase of W and reduce.
In first terminal equipment records vibration processes, each vibrates the peak acceleration amplitude of fragment, forms the peak swing sequence of saturated vibrations sequence
according to
determine
the mean amplitude of tide value of sequence
according to
Determine
serial variance σ basis
determine saturated vibrations threshold value
as shown in Figure 5, when vibration acceleration amplitude is greater than threshold value
time, first terminal equipment enters saturated vibrating state, records current time STP, when vibration acceleration amplitude is less than threshold value
time, record current time ETP, the saturated vibration region of first terminal equipment is [STP, ETP].
Alternatively, in the present embodiment, obtain
afterwards, can verify
meet Gaussian Profile, for a peak value sequence A
s=<A
s1, A
s2... A
si... A
sn>, calculates the coefficient of skew (skewneww) G1, coefficient of kurtosis (kurtosis) G2, sets execution degree α=0.1 o'clock, if for As, its
?
do not meet normal distribution, otherwise,
meet normal distribution.
When
when middle k=2, clearly degree of will speed up amplitude is divided into high amplitude (saturated oscillatory acceleration amplitude) and short arc (unsaturation oscillatory acceleration amplitude) two classes.And work as
according to Gaussian Profile, according to Chebyshev inequality,
at least ensuring 75% saturated magnitude of vibrations is divided into high amplitude amplitude and is divided into saturated vibration region.
In the present embodiment, the second terminal equipment can adopt with the similar method of first terminal equipment and identify saturated vibration region and non-saturated area in the second acceleration amplitude sequence, obtains sequence chart as shown in Figure 6.
24, first terminal equipment aligns saturated vibration region in the first acceleration amplitude sequence with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, the second acceleration amplitude sequence is obtained by the acceleration amplitude in the second terminal device records self vibration process.
Wherein, first terminal equipment aligns saturated vibration region in the first acceleration amplitude sequence during with saturated vibration region in the second acceleration amplitude sequence, each vibrations fragment initial time point in first terminal equipment records self vibration processes and the finish time point, obtain the first vibrations fragment time series; First terminal equipment obtains the second vibrations fragment time series that the second terminal equipment sends, and the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in the second terminal device records self vibration processes and the finish time; First terminal equipment aligns the first vibrations fragment time series with the second vibrations fragment time series.
Particularly, the each random vibration fragment initial time point in the second terminal device records vibration processes and the finish time point, T={<tb
1, te
1>, <tb
2, te
2> ..., <tb
i, te
i>...<tb
m, te
m>}, ith vibrations are recorded as <tb
i, te
i>; The second terminal equipment is to each <tb that initiatively shakes
i, te
i> interval, makes
Obtain sequence
the second terminal equipment will
send to first terminal equipment, wherein
Correspondingly, the each vibrations fragment initial time point in first terminal equipment records vibration processes and the finish time point, T '=<tb '
1, te '
1>, <tb '
2, te '
2> ..., <tb '
i, te '
i>...<tb '
m, te '
m>}; First terminal equipment is to each passive vibrations <tb ' i, and te ' i> interval, makes <tb
*i, te
*i>,
Obtain shaking time T *={ <tb
* 1, te
* 1>, <tb
* 2, te
* 2> ..., <tb
* i, te
* i>...<tb
* m, te
* m>}.
Due to
As shown in Figure 7, by T
*=T, in vibration processes, saturated vibration region boundary alignment completes.Zone of saturation after the present embodiment alignment contrasts as shown in Figure 8.
25, first terminal equipment generates secret key according to the 3rd acceleration amplitude sequence.
Particularly, shake the 3rd acceleration amplitude sequence assignment according to saturated vibrations and unsaturation, obtain the 4th acceleration amplitude sequence, the 4th acceleration amplitude sequence is carried out to Hash operation and obtain secret key.
For example, according to Residual Entropy hash theorem, m saturated vibrations fragment carried out after information interaction, Residual Entropy H
n, m, δfor:
key length is
Key generating rate is
Wherein, n is total time slot in a random vibration process, and m is saturated vibrations fragment number.The secret key sk of session
aand sk
blong l respectively, criterion distance normal distribution { 0,1}
ldistance be ∈
2.The amplitude of the acceleration in each unit moment is quantized,
Vibrations are set to 1 at the acceleration amplitude of saturated vibration region, and vibrations are set to 0 at the acceleration amplitude of unsaturation vibration region, thus time-based the 4th acceleration amplitude sequence obtaining.
The 4th acceleration amplitude sequence is carried out to Hash operation while obtaining secret key, and note the second terminal equipment quantized sequences is
, first terminal device quantizes sequence
, respectively will
with
carry out Hash operation, cryptographic Hash is as the secret key of session between first terminal equipment, the second terminal equipment
In the present embodiment, the second terminal equipment generates the method for secret key and the method for above-mentioned first terminal equipment generation secret key is similar, does not repeat.
26, first terminal equipment application secret key and the second terminal equipment carry out authentication.
First terminal equipment, the secret key of the second terminal equipment utilization session separately carry out encryption and decryption information, if encryption and decryption information is consistent, and authentication success, and use generation reply key to carry out after this communication information encrypted work.
Particularly, in the present embodiment, the second terminal equipment uses key skA enciphered message M, send to first terminal equipment, first terminal equipment is applied local key skb decryption information, obtains information M ', choose at random a constant C, M '+C is encrypted, send in the lump the second terminal equipment with C, if M '+C=M+C is deciphered and verified to the second terminal equipment again, the second terminal equipment is confirmed first terminal equipment identities, and first terminal equipment uses same method validation the second terminal equipment identity.
The authentication method of the present embodiment, first terminal equipment contacts placement with the second terminal equipment, when the second terminal equipment vibrations, the vibrations of first terminal equipment Inspection self also generate secret key according to the vibrations of self, and first terminal equipment application secret key and the second terminal equipment carry out authentication.Thereby realize according to vibrations and generate secret key, and carry out authentication according to the secret key of Shanghai.
As shown in Figure 9, the present embodiment provides a kind of terminal equipment, and this terminal equipment contacts placement with another terminal equipment, and this terminal equipment comprises detection module 911 and authentication module 912, wherein:
Alternatively, detection module 911 specifically for, the acceleration amplitude recording in this terminal equipment self vibration process obtains the first acceleration amplitude sequence; Identify saturated vibration region and non-saturated area in the first acceleration amplitude sequence; Saturated vibration region in the first acceleration amplitude sequence is alignd with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, the second acceleration amplitude sequence is obtained by the acceleration amplitude in this another terminal device records self vibration process; Generate secret key according to the 3rd acceleration amplitude sequence.
Alternatively, detection module 911 specifically for, divide each vibrations fragment in vibrations processes; Record the peak swing of each vibrations fragment in vibrations process, form the peak swing sequence of saturated vibrations sequence; Determine acceleration amplitude threshold values according to the peak swing sequence of saturated vibrations sequence; The vibrating plate section that in the first acceleration amplitude sequence, acceleration amplitude is greater than acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in the first acceleration amplitude sequence, acceleration amplitude is less than acceleration amplitude threshold values is positioned at non-saturated region.
Alternatively, detection module 911 specifically for, record each vibrations fragment initial time point in this terminal equipment self vibration processes and the finish time point, obtain the first vibrations fragment time series; Obtain the second vibrations fragment time series that this another terminal equipment sends, the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in the second terminal device records self vibration processes and the finish time; The first vibrations fragment time series is alignd with the second vibrations fragment time series.
The terminal equipment of the present embodiment can be the subscriber equipment such as mobile phone, lithographic plate computer.
The Verification System of the present embodiment is corresponding with the authentication method of above-described embodiment, and specific implementation process refers to said method embodiment, does not repeat herein.
The terminal equipment of the present embodiment, detects another terminal equipment and shakes the self vibration causing and generate secret key according to the vibrations of self, and application secret key and another terminal equipment carry out authentication.Thereby realize according to vibrations and generate secret key, and carry out authentication according to the secret key of Shanghai.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, the identical similar part of each embodiment mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially,, for device embodiment, because it is substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.Device embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Those of ordinary skills, in the situation that not paying creative work, are appreciated that and implement.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an authentication method, is characterized in that, comprising:
First terminal equipment contacts placement with the second terminal equipment, when described the second terminal equipment vibrations, the vibrations of described first terminal equipment Inspection self, described first terminal equipment generates secret key according to the vibrations of self, wherein, the vibrations of described first terminal equipment self are caused by described the second terminal equipment vibrations;
Described first terminal equipment applies described secret key and described the second terminal equipment carries out authentication.
2. method according to claim 1, is characterized in that, described first terminal equipment generates secret key according to the vibrations of self and comprises:
Acceleration amplitude in described first terminal equipment records self vibration process obtains the first acceleration amplitude sequence;
Saturated vibration region and non-saturated area in the first acceleration amplitude sequence described in described first terminal recognition of devices;
Described first terminal equipment aligns saturated vibration region in described the first acceleration amplitude sequence with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in described the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, described the second acceleration amplitude sequence is obtained by the acceleration amplitude in described the second terminal device records self vibration process;
Generate described secret key according to described the 3rd acceleration amplitude sequence.
3. method according to claim 2, is characterized in that, describedly generates described secret key according to described the 3rd acceleration amplitude sequence and comprises:
Shake described the 3rd acceleration amplitude sequence assignment according to saturated vibrations and unsaturation, obtain the 4th acceleration amplitude sequence;
Described the 4th acceleration amplitude sequence is carried out to Hash operation and obtain described secret key.
4. method according to claim 2, is characterized in that, in the first acceleration amplitude sequence, saturated vibration region and non-saturated area comprise described in described first terminal recognition of devices:
Each vibrations fragment in described first terminal classification of equipment vibrations process;
The peak swing of each vibrations fragment in described first terminal equipment records vibrations process, forms the peak swing sequence of saturated vibrations sequence;
Determine acceleration amplitude threshold values according to the peak swing sequence of described saturated vibrations sequence;
The vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is greater than described acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is less than described acceleration amplitude threshold values is positioned at non-saturated region.
5. method according to claim 2, is characterized in that, the acceleration amplitude in described first terminal equipment records self vibration process obtains the first acceleration amplitude sequence and comprises:
According to the vibrations mark of described the second terminal equipment, definite frame of reference;
Apply the described frame of reference and record described the first acceleration amplitude sequence.
6. method according to claim 2, is characterized in that, described first terminal equipment aligns saturated vibration region in described the first acceleration amplitude sequence to comprise with saturated vibration region in the second acceleration amplitude sequence:
Each vibrations fragment initial time point in described first terminal equipment records self vibration processes and the finish time point, obtain the first vibrations fragment time series;
Described first terminal equipment obtains the second vibrations fragment time series that described the second terminal equipment sends, and described the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in described the second terminal device records self vibration processes and the finish time;
Described first terminal equipment aligns described the first vibrations fragment time series with described the second vibrations fragment time series.
7. a terminal equipment, described terminal equipment contacts placement with another terminal equipment, it is characterized in that, and described terminal equipment comprises:
Detection module, in the time that described another terminal equipment shakes, detects the vibrations of described terminal equipment self, generates secret key according to the vibrations of described another terminal equipment self, and wherein, the vibrations of described terminal equipment self are caused by described another terminal equipment vibrations;
Authentication module, for applying described secret key and described another terminal equipment carries out authentication.
8. terminal equipment according to claim 7, is characterized in that, described detection module specifically for, the acceleration amplitude recording in described terminal equipment self vibration process obtains the first acceleration amplitude sequence; Identify saturated vibration region and non-saturated area in described the first acceleration amplitude sequence; Saturated vibration region in described the first acceleration amplitude sequence is alignd with saturated vibration region in the second acceleration amplitude sequence, and unsaturation vibration region in described the first acceleration amplitude sequence is alignd with unsaturation vibration region in the second acceleration amplitude sequence, obtain the 3rd acceleration amplitude sequence, wherein, described the second acceleration amplitude sequence is obtained by the acceleration amplitude in described another terminal device records self vibration process; Generate described secret key according to described the 3rd acceleration amplitude sequence.
9. terminal equipment according to claim 8, is characterized in that, described detection module specifically for, divide each vibrations fragment in vibrations processes; Record the peak swing of each vibrations fragment in vibrations process, form the peak swing sequence of saturated vibrations sequence; Determine acceleration amplitude threshold values according to the peak swing sequence of described saturated vibrations sequence; The vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is greater than described acceleration amplitude threshold values is positioned at saturation region, and the vibrating plate section that in described the first acceleration amplitude sequence, acceleration amplitude is less than described acceleration amplitude threshold values is positioned at non-saturated region.
10. terminal equipment according to claim 8, it is characterized in that, described detection module specifically for, record each vibrations fragment initial time point in described first terminal equipment self vibration processes and the finish time point, obtain the first vibrations fragment time series; Obtain the second vibrations fragment time series that described another terminal equipment sends, described the second vibrations fragment time series obtains by putting the each vibrations fragment initial time point in described another terminal device records self vibration processes and the finish time; Described the first vibrations fragment time series is alignd with described the second vibrations fragment time series.
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| CN106255045A (en) * | 2016-09-06 | 2016-12-21 | 广州市香港科大霍英东研究院 | A kind of device pairing method and device |
| WO2018045656A1 (en) * | 2016-09-06 | 2018-03-15 | 广州市香港科大霍英东研究院 | Device pairing method and apparatus |
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