A kind of unlocked by fingerprint method and system thereof and there is the electronic equipment of this systemTechnical field
The invention belongs to electronic device field, particularly a kind of unlocked by fingerprint method and system thereof and there is the electronic equipment of this system.
Background technology
The unlock method that the electronic equipments such as mobile phone, Pad, computer adopt at present has the mode such as password, pattern, recognition of face, up-to-date i Phone adds TouchID finger print identification function, by built-in TouchID inductor, can comprehensive scanning fingerprint, but this mode causes the cost of mobile phone higher, and the main interface of mobile phone can not be used as mobile phone screen completely.And present unlock method can not ensure that the information for unlocking is not cracked, and information is once be cracked, and the privacy in equipment just has the risk be stolen, therefore the security of equipment need to improve.Therefore, the cost how reducing equipment while the safety in utilization improving equipment has problem to be solved at present.
Summary of the invention
The present invention, for solving the problems of the technologies described above, proposes a kind of unlocked by fingerprint method and system thereof and has the electronic equipment of this system, adopt the present invention, can not only improve the safety in utilization of equipment and equipment cost is lower.
A kind of unlocked by fingerprint method that the present invention proposes, the method comprises:
Generate the step of reference finger data: the fingerprint of the capacitive touch sensors collection finger of function with fingerprint, the fingerprint of processing unit to finger carries out irreversible encryption computing and generates reference finger data, and these reference finger data is stored in the memory unit;
The step of checking fingerprint, the capacitive touch sensors of described function with fingerprint gathers the fingerprint of this finger, processing unit carries out described irreversible encryption computing to the fingerprint of this finger, the reference finger data stored in the finger print data obtained and storage unit are compared, if consistent, then electronic equipment is by unlocked by fingerprint.
The present invention also proposes a kind of unlocked by fingerprint method, and the method comprises:
Generate the step of reference finger data: the capacitive touch sensors of function with fingerprint gathers the fingerprint of many fingers, processing unit carries out to the fingerprint of every only finger the reference finger data that irreversible encryption computing generates every only finger respectively, and the reference finger data of every only finger are stored in the memory unit, these reference finger data composition reference finger data acquisition;
The step of checking fingerprint: the capacitive touch sensors of described function with fingerprint gathers certain fingerprint only pointed, processing unit carries out described irreversible encryption computing to this fingerprint, each reference finger data in the finger print data obtained and reference finger data acquisition are compared, if there are the reference finger data consistent with this finger print data, then electronic equipment is by unlocked by fingerprint;
If there is no consistent with this finger print data reference finger data, again can gather the fingerprint of this finger or the fingerprint of other finger of Resurvey, repeat the step of above-mentioned checking fingerprint.
Further, when the described fingerprint to every only finger carries out the reference finger data of irreversible encryption computing generation every only finger, the unique point that processing unit is chosen in the fingerprint of every finger carries out irreversible encryption computing.
Further, choosing of unique point in described fingerprint is by multi collect finger print, by multi collect to finger print image after image recognition, carry out same orientation to the image of same finger-print region overlapping, choose the point that in superimposed images, color is the darkest and be encrypted computing as unique point.
The present invention also proposes a kind of unlocked by fingerprint method, and the method comprises:
Generate the step of reference finger data: the capacitive touch sensors of function with fingerprint gathers the fingerprint of many fingers, the unique point composition feature point set that processing unit chooses every only finger in these many fingers closes; Then irreversible encryption computing is carried out to this unique point set and generate reference finger data, and these reference finger data are stored in the memory unit;
The step of checking fingerprint: the capacitive touch sensors of described function with fingerprint gathers the fingerprint of these many fingers, the fingerprint of processing unit to these many fingers carries out described irreversible encryption computing, the finger print data obtained and reference finger data are compared, if the finger print data obtained comprises reference finger data, then electronic equipment is by unlocked by fingerprint.
Further, choosing of unique point in described fingerprint is by multi collect finger print, by multi collect to finger print image after image recognition, carry out same orientation to the image of same finger-print region overlapping, choose the point that in superimposed images, color is the darkest and be encrypted computing as unique point.
The present invention also proposes a kind of unlocked by fingerprint system realizing foregoing method, and this system comprises: the capacitive touch sensors of this function with fingerprint, this processing unit and this storage unit; Wherein should can not only detect touch with the inductor of fingerprint identification function, can also fingerprint recognition be carried out; Processing unit, when generating reference finger data, processes the described fingerprint signal collected with the inductor of fingerprint identification function and result is stored in the memory unit as reference finger data; When carrying out fingerprint authentication, the reference finger data stored in the fingerprint detected and storage unit compared, if unanimously, then electronic equipment is by unlocked by fingerprint.
The present invention also proposes a kind of electronic equipment, and this electronic equipment comprises foregoing unlocked by fingerprint system.
Further, the capacitive touch sensors of this function with fingerprint and capacitive touch screen form the display screen of electronic equipment.
Further, described electronic equipment is mobile electronic device, and the major key of mobile electronic device is arranged on the side of mobile electronic device.
Beneficial effect of the present invention:
1. the present invention realizes fingerprint recognition and touch by inductor, therefore adopt electronic equipment of the present invention effectively can improve the safety in utilization of equipment without the need to increasing special finger print identification function, and the cost of equipment is low.This equipment also can realize full screen display simultaneously, under the prerequisite not increasing equipment size, adds the viewing area of screen.
2. the present invention obtains identifying finger print data by carrying out irreversible encryption computing to fingerprint signal, when not having original fingerprint signal, identifying that finger print data cannot be decrypted, therefore improve the security identifying finger print data and equipment.
3., because irreversible encryption computing requires high to repeatability expressly, therefore the present invention is by being encrypted computing, to improve the success ratio of unlocked by fingerprint to the Partial Feature point in finger print.In addition, generate identify finger print data time, can multi collect finger print, find out the unique point the most easily identified be encrypted computing, to improve the success ratio of unlocked by fingerprint further by comparing.
Accompanying drawing explanation
Fig. 1 is unlocked by fingerprint system schematic of the present invention.
Fig. 2 is unlocked by fingerprint method flow diagram of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.But those skilled in the art know, the present invention is not limited to accompanying drawing and following examples.
As shown in Figure 1, this system comprises the unlocked by fingerprint system for electronic equipment that the present invention proposes: the capacitive touch sensors 101 of function with fingerprint, processing unit 102 and storage unit 103; The capacitive touch sensors 101 of function with fingerprint, can not only detect touch, can also carry out fingerprint recognition; Processing unit 102, when arranging fingerprint recognition, carries out irreversible encryption computing generation reference finger data to the fingerprint signal that the capacitive touch sensors 101 of described function with fingerprint collects, and is stored in storage unit 103 by these reference finger data; When carrying out fingerprint authentication, the reference finger data stored in the finger print data that the fingerprint collected by the capacitive touch sensors 101 of described function with fingerprint obtains after this irreversible encryption computing and storage unit 103 are compared, if consistent, then electronic equipment is by unlocked by fingerprint; Wherein storage unit 103 is only visible to processing unit 102.
Because irreversible encryption computing is directly processed into ciphertext through cryptographic algorithm by system after input expressly in ciphering process, do not need to use key, therefore the ciphertext obtained by this cipher mode cannot be decrypted, only re-enter this plaintext, and again pass through same irreversible cryptographic algorithm process, obtain identical ciphertext and after again being identified by system, could really decipher.The MD5 algorithm that the more irreversible encryption algorithm of current application has RSA company to invent and the irreversible encryption standard SHS (SecureHashStandard: safe gibberish standard) etc. advised by NBS.
The present invention also proposes a kind of method that above-mentioned unlocked by fingerprint system carries out unlocked by fingerprint, and as shown in Figure 2, this unlock method comprises:
Generate the step of reference finger data: the capacitive touch sensors 101 of described function with fingerprint gathers the fingerprint of finger, the fingerprint of processing unit 102 to finger carries out irreversible encryption computing and generates reference finger data, and these reference finger data is stored in storage unit 103.
The step of checking fingerprint, the capacitive touch sensors 101 of described function with fingerprint gathers the fingerprint of this finger, processing unit 102 carries out described irreversible encryption computing to the fingerprint of this finger, the reference finger data stored in the finger print data obtained and storage unit 103 are compared, if consistent, then electronic equipment is by unlocked by fingerprint.
Embodiment 1: single only finger generates reference finger data
The capacitive touch sensors 101 of described function with fingerprint gathers the fingerprint of many fingers, processing unit 102 carries out to the fingerprint of every only finger the reference finger data that irreversible encryption computing generates every only finger respectively, and the reference finger data of every only finger are stored in storage unit 103, these reference finger data composition reference finger data acquisition; When verifying fingerprint, the capacitive touch sensors 101 of described function with fingerprint gathers certain fingerprint only pointed, processing unit 102 carries out described irreversible encryption computing to this fingerprint, each reference finger data in the finger print data obtained and reference finger data acquisition are compared, if there are the reference finger data consistent with this finger print data, then electronic equipment is by unlocked by fingerprint; If there is no consistent with this finger print data reference finger data, again can gather the fingerprint of this finger or the fingerprint of other finger of Resurvey, repeat the step of above-mentioned checking fingerprint.
Due to have employed irreversible encryption computing during encrypting fingerprint, even if so electronic equipment is lost, other people also cannot decipher this fingerprint.
Embodiment 2: the unique point of single only finger generates reference finger data
Deep mixed due to fingerprint, and when gathering because the reasons such as dust spot can cause the information that gathers inaccurate, the normal release of image documentation equipment.In order to improve the success ratio of unlocked by fingerprint, the present embodiment improves on the basis of embodiment 1, improvements are that processing unit is when carrying out irreversible encryption computing and generating the reference finger data of every only finger to the fingerprint of every only finger, and the Partial Feature point that processing unit is chosen in fingerprint carries out irreversible encryption computing.Choosing of Partial Feature point in fingerprint is by multi collect finger print, by multi collect to finger print image after image recognition, carry out same orientation to the image of same finger-print region overlapping, the point choosing color in superimposed images the darkest is encrypted computing as unique point, as long as comprise reference finger data in the finger print data collected when verifying like this, unlocked by fingerprint can be realized.
Embodiment 3: many fingers generate reference finger data
The capacitive touch sensors 101 of described function with fingerprint gathers the fingerprints of many fingers, and the unique points composition feature point set that processing unit 102 chooses every only finger in these many fingers closes, unique point choose same embodiment 2; Then irreversible encryption computing is carried out to this unique point set and generate reference finger data, and these reference finger data are stored in storage unit 103; When verifying fingerprint, the capacitive touch sensors 101 of described function with fingerprint gathers the fingerprint of these many fingers, the fingerprint of processing unit 102 to these many fingers carries out described irreversible encryption computing, the finger print data obtained and reference finger data are compared, if the finger print data obtained comprises reference finger data, then electronic equipment is by unlocked by fingerprint.
Above-described embodiment is only in order to the concrete preferred embodiment that technical scheme of the present invention provides is described, those skilled in the art know, various deformation can be carried out under the prerequisite not changing design philosophy of the present invention, such as generating in the embodiment 3 of reference finger data with many fingers, also the fingerprint that these many are pointed directly is tiled and be combined into fingerprint set and carry out irreversible encryption computing, also effectively can improve the security of equipment.
The present invention also proposes a kind of electronic equipment, and this electronic equipment comprises foregoing unlocked by fingerprint system, and wherein capacitive touch sensors 101 and the capacitive touch screen of this function with fingerprint form the display screen of electronic equipment.
In order to realize full screen display, the major key of electronic equipment can be arranged on the side of electronic equipment.
Above, embodiments of the present invention are illustrated.But the present invention is not limited to above-mentioned embodiment.Within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.