CN108304903A - A kind of block chain private key generating means and method based on RFID technique - Google Patents
A kind of block chain private key generating means and method based on RFID technique Download PDFInfo
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- CN108304903A CN108304903A CN201810283618.1A CN201810283618A CN108304903A CN 108304903 A CN108304903 A CN 108304903A CN 201810283618 A CN201810283618 A CN 201810283618A CN 108304903 A CN108304903 A CN 108304903A
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- block chain
- private key
- rfid
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of block chain private key generating means and method based on RFID technique, the block chain private key generating means include：Block chain private key write tag paper, the computation processor for emitting multifrequency calling-on signal to block chain private key write tag and receiving the RFID reader of reflection signal and connect by signal wire with RFID reader, the block chain private key write tag includes negative paper, RFID antenna and writing paper, the RFID antenna is printed on negative paper, the writing paper is covered in the RFID antenna, and multiple tie points and forming region signature area are exposed on the writing paper.The present invention changes the antenna structure of RFID antenna using the handwriting mode of physics, private key is generated after being sampled using RFID reader transmitting multifrequency calling-on signal, this private key is due to being that completely random generates, with splendid confidentiality, and significant writing can be such that hand-written any data is cured on network in the form of block chain.
Description
Technical field
The present invention relates to block chains to encrypt currency technical field, and in particular to a kind of block chain private key based on RFID technique
Generating means and method.
Background technology
The private key generation method for encrypting currency in block chain at present, is carried out using computer internal random generating mode,
And this random fashion belongs to pseudorandom, and due to being generated in computer end, be easy to be stolen by hacker, and most of this
The private key randomly generated is not of practical significance, and the private key generated by brain wallet individually is really easy to be cracked.
Invention content
The purpose of the present invention is to provide a kind of block chain private key generating means and method based on RFID technique, to solve
The private key that currency is encrypted in certainly current block chain generates the technical issues of being easy to be stolen and cracked by hacker in computer end.
To achieve the above object, the block chain private key generating means based on RFID technique that the present invention provides a kind of, it is described
Block chain private key generating means include：Block chain private key write tag paper, for block chain private key write tag paper emit it is more
Frequency calling-on signal and the computation processor for receiving the RFID reader of reflection signal and being connect by signal wire with RFID reader,
The block chain private key write tag paper includes negative paper, RFID antenna and writing paper, and the RFID antenna is printed on negative paper
On, the writing paper is covered in the RFID antenna, and multiple tie points and forming region signature area are exposed on the writing paper.
Further, the RFID antenna includes conductive main line and multiple screw-filters, the multiple screw-filter
It is spaced apart to be arranged and forms multiple helical resonator labels in the both sides of the conductive main line.
Further, paper covering is written on the conductive main line and the multiple screw-filter, on the writing paper
The tie point of exposing is located on the gap between the conductive main line and the screw-filter.
Further, the conductive main line forms two powered electrodes at both ends.
Further, the conductive main line laterally and/or longitudinally folds distribution setting in negative paper upper edge.
Further, the multiple screw-filter is multiple with different resonant frequencies to be formed by different printing lengths
More stopband screw-filters, multiple more stopband screw-filters with different resonant frequencies on negative paper according to order into
Row arranged forms multiple helical resonator tagging arrangements sequential.
Further, the quantity of the tie point is less than or equal to the quantity of the screw-filter.
Further, the computation processor be provided with communication interface and be connected to for block chain key server communication
Communication module.
The block chain private key generation method based on RFID technique that the invention also discloses a kind of, the block chain private key generate
Method includes：Using conductive ink, random writing is signed in region signature area；Conductive ink, which is filled into, writes what signature passed through
By the screw-filter and conduction main line conductive communication on the tie point position at tie point；With the spiral shell of conductive main line conductive communication
The antenna structure of swirler blade angle device is destroyed；RFID reader emits multiple resonance by transmitter to multiple helical resonator labels
The multifrequency calling-on signal of frequency；The identical helical resonator label of resonant frequency responds with calling-on signal and returns to reflection signal
To the receiver of RFID reader；The different reflection signals that RFID reader is received according to receiver are respectively to multiple spirals
Resonator label carries out coding record and writes signature to the screw-filter on region signature area tie point via conductive ink
Antenna structure destroys situation；RFID reader generates sig ID address according to coded data and is sent to computation processor；It calculates
Processor receives sig ID address and encrypts output block chain private key to sig ID address date with hash algorithm；And by logical
Block chain private key is sent to block chain key server by the communication module of letter interface connection.
Further, the RFID reader emits multiple resonant frequencies by transmitter to multiple helical resonator labels
Multifrequency calling-on signal after, in the presence of the screw-filter of the helical resonator label of some resonant frequency, will just access letter
The signal energy of this resonant frequency weakens the receiver that back reflection returns RFID reader in number, and RFID reader is by this resonant frequency
Helical resonator label coding be " 0 "；In the absence of the screw-filter of the helical resonator label of some resonant frequency,
The calling-on signal of this resonant frequency is directly reflected back the receiver of RFID reader without weakening, RFID reader by this resonance frequently
The helical resonator label coding of rate is " 1 ".
The invention has the advantages that：
The present invention changes the antenna structure of RFID antenna using the handwriting mode of physics, is emitted using RFID reader more
Private key is generated after the sampling of frequency calling-on signal, this private key has splendid confidentiality, Er Qieyou due to being that completely random generates
The writing of meaning can be such that hand-written any data is cured on network in the form of block chain.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of block chain private key generating means based on RFID technique of the present invention.
Fig. 2 is a kind of more stopband screw-filters of block chain private key generating means based on RFID technique of the present invention
Structural schematic diagram.
Fig. 3 is a kind of more stopband screw-filters of block chain private key generating means based on RFID technique of the present invention
Circuit diagram.
Fig. 4 is that a kind of conduction of one embodiment of block chain private key generating means based on RFID technique of the present invention is main
The distribution schematic diagram of line and multiple screw-filters on negative paper.
Fig. 5 is RFID days of a kind of block chain private key generating means based on RFID technique of embodiment as shown in Figure 4
The structural perspective of line.
Fig. 6 is that a kind of RFID of block chain private key generating means based on RFID technique of embodiment as shown in Figure 5 is read
Device is read to emit multifrequency calling-on signal when the antenna structure of all screw-filters is not destroyed and receive showing for reflection signal
It is intended to.
Fig. 7 is that a kind of RFID of block chain private key generating means based on RFID technique of embodiment as shown in Figure 5 is read
Device is read to emit multifrequency calling-on signal when the antenna structure of part helix filter is destroyed and receive the schematic diagram of reflection signal.
Fig. 8 is RFID reader pair in the case of the antenna structure of the screw-filter of embodiment as shown in Figure 7 is destroyed
The schematic diagram that multiple helical resonator labels are encoded.
Fig. 9 is a kind of conduction of another embodiment of block chain private key generating means based on RFID technique of the present invention
The distribution schematic diagram of main line and multiple screw-filters on negative paper.
Figure 10 is RFID days of a kind of block chain private key generating means based on RFID technique of embodiment as shown in Figure 9
The structural perspective of line.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
With reference to figure 1, a kind of block chain private key generating means based on RFID technique disclosed in the present embodiment include：Block chain
Private key write tag paper 01 reflects signal for emitting multifrequency calling-on signal to block chain private key write tag paper 01 and receiving
RFID reader 02 and the computation processor 03 being connect by signal wire with RFID reader 02, with reference to figure 4 and Fig. 5, block chain
Private key write tag paper 01 includes negative paper 05, RFID antenna 06 and writing paper 07, and RFID antenna 06 is printed on negative paper 05,
Writing paper 07 is covered in RFID antenna 06, and multiple tie points 08 and forming region signature area 09, RFID are exposed on writing paper 07
Antenna 06 includes conductive main line 10 and 6 screw-filters 11, and conductive main line 10 forms two powered electrodes 12 at both ends, conductive
In the horizontally-parallel setting of 05 upper edge of negative paper, 6 screw-filters 11 are spaced apart to be arranged the two of conductive main line 10 main line 10
Side forms 6 helical resonator labels 04, and the spacing between two neighboring screw-filter is equal, conductive main line 10 and 6 spiral shells
The covering of paper 07 is written on swirler blade angle device 11, the tie point 08 exposed on writing paper 07 is located at conductive main line 10 and screw-filter
On gap between 11, the quantity of tie point 08 is equal to the quantity of screw-filter 11, that is, each screw-filter 11 and conduction
It is respectively provided between main line 10 there are one tie point 08, computation processor 03 is provided with communication interface and is connected to for close with block chain
The communication module that key server 13 communicates, wherein communication module and communication interface are being not shown in figure.
Further, in this embodiment a kind of block chain private key generating means based on RFID technique be based on chipless
What RFID technique was realized, but have the resistance value that similar approach can also be used to change antenna in the RFID technique of chip.Chipless
RFID technique in, RFID antenna design diversification, using a kind of more stopband screw-filters as spiral filter in the present embodiment
Wave device, the structures of more stopband screw-filters as shown in Fig. 2, the circuit diagram of more stopband screw-filters as shown in figure 3,6 spiral shells
Swirler blade angle device is to form 6 more stopband spiral shells with different resonant frequencies by different printing length L1, L2, L3, L4, L5 and L6
Swirler blade angle device, multiple more stopband screw-filters with different resonant frequencies carry out arranged on negative paper according to order
Form multiple helical resonator tagging arrangements sequential.
A kind of block chain private key generation method based on RFID technique involved in the present embodiment includes：Use conductive ink
Random writing is signed in region signature area 09, and conductive ink, which is filled into, to be write the tie point at the tie point 08 that signature passes through
Screw-filter 11 on 08 position and 10 conductive communication of conductive main line；With the screw-filter 11 of 10 conductive communication of conductive main line
Antenna structure be destroyed；RFID reader 02 emits multiple resonance frequencies by transmitter 14 to multiple helical resonator labels 04
The multifrequency calling-on signal of rate；The identical helical resonator label 04 of resonant frequency responds with calling-on signal and returns to reflection signal
To the receiver 15 of RFID reader 02；RFID reader 02 is right respectively according to the different reflection signals that receiver 15 receives
Multiple helical resonator labels 04 carry out coding record and write signature on 09 tie point 08 of region signature area via conductive ink
Screw-filter 11 antenna structure destroy situation；RFID reader 02 generates sig ID address according to coded data and sends
To computation processor 03；It is defeated to the encryption of sig ID address date with hash algorithm that computation processor 03 receives sig ID address
Go out block chain private key；And block chain private key is sent to by block chain key server by the communication module that communication interface connects
13。
Further, RFID reader 02 emits multiple resonance frequencies by transmitter 14 to multiple helical resonator labels 04
After the multifrequency calling-on signal of rate, in the presence of the screw-filter 11 of the helical resonator label 04 of some resonant frequency, just will
The signal energy of this resonant frequency weakens the receiver 15 that back reflection returns RFID reader 02, RFID reader 02 in calling-on signal
The screw-filter 11 of the helical resonator label 04 of this resonant frequency is encoded to " 0 "；When the spiral of some resonant frequency is humorous
It shakes in the absence of the screw-filter 11 of device label 04, the calling-on signal of this resonant frequency is directly reflected back RFID without weakening and reads
The receiver 15 of device 02 is read, the screw-filter 11 of the helical resonator label of this resonant frequency is encoded to by RFID reader 02
“1”.As shown in fig. 6, emitting multifrequency visit when the antenna structure of 6 screw-filters 11 is not destroyed for RFID reader 02
It asks signal and receives the schematic diagram of reflection signal, in Fig. 6, S11 is input reflection coefficient, that is, input return loss, and S21 is
Positive transmission coefficient, that is, gain.RFID reader 02 generates the first of one " 000000 " after being encoded to screw-filter 11
Beginning coded data prints 06 antenna structure of designed RFID antenna, RFID reader with conductive material on negative paper 05
02 can read data, and therefore, default random generation may be used in initial code data.As shown in fig. 7, being RFID reader
02 emits multifrequency calling-on signal when the antenna structure of part helix filter 11 is destroyed and receives the schematic diagram of reflection signal,
S11 is input reflection coefficient, that is, input return loss in Fig. 7, and S21 is positive transmission coefficient, that is, gain.Such as Fig. 8
Shown, RFID reader 02 generates the initial code data of one " 100110 " after being encoded to screw-filter 11.The present embodiment
A kind of data volume of the block chain private key generating means transmission based on RFID technique of middle above example is 26A sig ID address.
Embodiment 2
With reference to figure 1, a kind of block chain private key generating means based on RFID technique disclosed in the present embodiment include：Block chain
Private key write tag paper 01 reflects signal for emitting multifrequency calling-on signal to block chain private key write tag paper 01 and receiving
RFID reader 02 and the computation processor 03 being connect by signal wire with RFID reader 02, with reference to figure 9 and Figure 10, block chain
Private key write tag paper 01 includes negative paper 05, RFID antenna 06 and writing paper 07, and RFID antenna 06 is printed on negative paper 05,
Writing paper 07 is covered in RFID antenna 06, and multiple tie points 08 and forming region signature area 09, RFID are exposed on writing paper 07
Antenna 06 includes conductive main line 10 and 35 screw-filters 11, and conductive main line 10 forms two powered electrodes 12 at both ends, leads
Electric main line 10 is folded in the transverse direction distribution setting in 05 upper edge of negative paper, and it is main in conduction that 35 screw-filters 11 are spaced apart setting
The both sides of line 10 form 35 helical resonator labels 04, and the spacing between two neighboring screw-filter 11 is equal, and conduction is main
The covering of paper 07 is written on line 10 and 35 screw-filters 11, the tie point 08 exposed on writing paper 07 is located at conductive main line 10
On gap between screw-filter 11, the quantity of tie point 08 is less than the quantity of screw-filter 11, that is, part helix is filtered
Be both provided with tie point 08 between wave device 11 and conductive main line 10, computation processor 03 be provided with communication interface and be connected to for
The communication module that block chain key server 13 communicates, wherein communication module and communication interface are being not shown in figure.
Further, in this embodiment a kind of block chain private key generating means based on RFID technique be based on chipless
What RFID technique was realized, but have the resistance value that similar approach can also be used to change antenna in the RFID technique of chip.Chipless
RFID technique in, RFID antenna design diversification, using a kind of more stopband screw-filters as spiral filter in the present embodiment
Wave device, the structures of more stopband screw-filters as shown in Fig. 2, the circuit diagram of more stopband screw-filters as shown in figure 3,35 spiral shells
Swirler blade angle device is to form 35 more stopband screw-filters with different resonant frequencies by different printing lengths, multiple to have
More stopband screw-filters of different resonant frequencies carry out arranged according to order on negative paper and form multiple spiral resonance
Device tagging arrangements sequential.
A kind of block chain private key generation method based on RFID technique involved in the present embodiment includes：Use conductive ink
Random writing is signed in region signature area 09, and conductive ink, which is filled into, to be write the tie point at the tie point 08 that signature passes through
Screw-filter 11 on 08 position and 10 conductive communication of conductive main line；With the screw-filter 11 of 10 conductive communication of conductive main line
Antenna structure be destroyed；RFID reader 02 emits multiple resonance frequencies by transmitter 14 to multiple helical resonator labels 04
The multifrequency calling-on signal of rate；The identical helical resonator label 04 of resonant frequency responds with calling-on signal and returns to reflection signal
To the receiver 15 of RFID reader 02；RFID reader 02 is right respectively according to the different reflection signals that receiver 15 receives
Multiple helical resonator labels 04 carry out coding record and write signature on 09 tie point 08 of region signature area via conductive ink
Screw-filter 11 antenna structure destroy situation；RFID reader 02 generates sig ID address according to coded data and sends
To computation processor 03；It is defeated to the encryption of sig ID address date with hash algorithm that computation processor 03 receives sig ID address
Go out block chain private key；And block chain private key is sent to by block chain key server by the communication module that communication interface connects
13。
Further, RFID reader 02 emits multiple resonance frequencies by transmitter 14 to multiple helical resonator labels 04
After the multifrequency calling-on signal of rate, in the presence of the screw-filter 11 of the helical resonator label 04 of some resonant frequency, just will
The signal energy of this resonant frequency weakens the receiver 15 that back reflection returns RFID reader 02, RFID reader 02 in calling-on signal
The screw-filter 11 of the helical resonator label 04 of this resonant frequency is encoded to " 0 "；When the spiral of some resonant frequency is humorous
It shakes in the absence of the screw-filter 11 of device label 04, the calling-on signal of this resonant frequency is directly reflected back RFID without weakening and reads
The receiver 15 of device 02 is read, the screw-filter 11 of the helical resonator label of this resonant frequency is encoded to by RFID reader 02
“1”.A kind of block chain private key generating means based on RFID technique of above example pass through 35 screw-filters in the present embodiment
A completed antenna with 88mm × 65mm region signatures area is formd with conductive main line to design, the data volume of maximum transmitted
Reach 235A sig ID address.
The present invention utilizes RFID technique, by using the writing of conductive ink come change the antenna structure of RFID antenna to
Reach random and generate private key, generates data using the randomness of physical layer, the more primary mode at private key, which more has, protects
Close property, mainly has the following effects that：(1) complete randomness；(2) due to using low cost RFID technology, this type
Private key generating means it is cheaply many compared with computer hardware generating mode；(3) device of this type can completely preserve use
The original handwriting of person, and be stored on network by block chain technology, the application scenarios being very suitable for have：Contract, testament, works,
Painting and calligraphy etc..
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
1. a kind of block chain private key generating means based on RFID technique, which is characterized in that the block chain private key generating means
Including：Block chain private key write tag paper is used to emit multifrequency calling-on signal to block chain private key write tag paper and receive anti-
The computation processor penetrated the RFID reader of signal and connect by signal wire with RFID reader, the block chain private key are write
Label paper includes negative paper, RFID antenna and writing paper, and the RFID antenna is printed on negative paper, and the writing paper is covered in
In the RFID antenna, multiple tie points and forming region signature area are exposed on the writing paper.
2. a kind of block chain private key generating means based on RFID technique according to claim 1, which is characterized in that described
RFID antenna includes conductive main line and multiple screw-filters, and the multiple screw-filter, which is spaced apart, to be arranged in the conduction
The both sides of main line form multiple helical resonator labels.
3. a kind of block chain private key generating means based on RFID technique according to claim 2, which is characterized in that described
Paper covering is written on conductive main line and the multiple screw-filter, the tie point exposed on the writing paper is located at described lead
On gap between electric main line and the screw-filter.
4. a kind of block chain private key generating means based on RFID technique according to claim 3, which is characterized in that described
Conductive main line forms two powered electrodes at both ends.
5. a kind of block chain private key generating means based on RFID technique according to claim 4, which is characterized in that described
Conductive main line laterally and/or longitudinally folds distribution setting in negative paper upper edge.
6. a kind of block chain private key generating means based on RFID technique according to claim 3, which is characterized in that described
Multiple screw-filters are to form multiple more stopband screw-filters with different resonant frequencies by different printing lengths, more
A more stopband screw-filters with different resonant frequencies carry out arranged according to order on negative paper and form multiple spiral shells
Revolve resonator tagging arrangements sequential.
7. a kind of block chain private key generating means based on RFID technique according to claim 3, which is characterized in that described
The quantity of tie point is less than or equal to the quantity of the screw-filter.
8. a kind of block chain private key generating means based on RFID technique according to claim 1, which is characterized in that described
Computation processor is provided with communication interface and is connected to for the communication module with block chain key server communication.
9. a kind of block chain private key generation method based on RFID technique, which is characterized in that the block chain private key generation method
Including：
Using conductive ink, random writing is signed in region signature area；
Conductive ink, which is filled into, to be write screw-filter and the conduction master on the tie point position at the tie point that signature passes through
Line conductive communication；
It is destroyed with the antenna structure of the screw-filter of conductive main line conductive communication；
RFID reader emits the multifrequency calling-on signal of multiple resonant frequencies by transmitter to multiple helical resonator labels；
The identical helical resonator label of resonant frequency responds with calling-on signal and reflection signal is back to RFID reader
Receiver；
The different reflection signals that RFID reader is received according to receiver respectively compile multiple helical resonator labels
Code record writes signature via conductive ink and destroys situation to the antenna structure of the screw-filter on region signature area tie point；
RFID reader generates sig ID address according to coded data and is sent to computation processor；
Computation processor receives sig ID address and encrypts output block chain private key to sig ID address date with hash algorithm；
And
Block chain private key is sent to block chain key server by the communication module connected by communication interface.
10. a kind of block chain private key generation method based on RFID technique according to claim 9, which is characterized in that institute
After stating the multifrequency calling-on signal that RFID reader emits multiple resonant frequencies by transmitter to multiple helical resonator labels, when
In the presence of the screw-filter of the helical resonator label of some resonant frequency, just by the signal of this resonant frequency in calling-on signal
Energy attenuating back reflection returns the receiver of RFID reader, and RFID reader is by the helical resonator label coding of this resonant frequency
For " 0 "；In the absence of the screw-filter of the helical resonator label of some resonant frequency, the calling-on signal of this resonant frequency
Without the receiver for being directly reflected back RFID reader is weakened, RFID reader compiles the helical resonator label of this resonant frequency
Code is " 1 ".
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810283618.1A CN108304903A (en) | 2018-04-02 | 2018-04-02 | A kind of block chain private key generating means and method based on RFID technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810283618.1A CN108304903A (en) | 2018-04-02 | 2018-04-02 | A kind of block chain private key generating means and method based on RFID technique |
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| CN201810283618.1A Pending CN108304903A (en) | 2018-04-02 | 2018-04-02 | A kind of block chain private key generating means and method based on RFID technique |
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Application publication date: 20180720 |