CN105058997A - Method for verifying chip of imaging box of printing device and printing device - Google Patents
Method for verifying chip of imaging box of printing device and printing device Download PDFInfo
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- CN105058997A CN105058997A CN201510504951.7A CN201510504951A CN105058997A CN 105058997 A CN105058997 A CN 105058997A CN 201510504951 A CN201510504951 A CN 201510504951A CN 105058997 A CN105058997 A CN 105058997A
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Abstract
The invention discloses a method for verifying a chip of an imaging box of a printing device and the printing device. The process of the printing device verifying the chip of the imaging box installed thereon includes a first-phase verifying mode and a second-phase verifying mode. during the initial phase, the printing device verifies the validity of the chip of the imaging box installed thereon through the first-phase verifying mode. When the preset conditions are met, the printing device is switched to the second-phase verifying mode from the first-phase verifying mode to verify the validity of the chip of the imaging box installed thereon. When the printing device is under the first-phase verifying mode and the second-phase verifying mode, the information interaction between the chip and the printing device is substantially the same. Conventional effect of recycling and re-burning of the chip of an image box can be achieved by activating new algorithm, thereby substantially lowering the cost.
Description
Technical field
The present invention relates to imagewise development technical field, particularly relate to a kind of printing device to the verification method of the imaging box chips such as imaging cartridge and corresponding printing device.
Background technology
Along with the development of imaging technique, the printing devices such as such as duplicator, printing device, facsimile machine, word processor are widely used.Usually, be all provided with the imaging cartridge being used for holding recording materials (such as ink, carbon dust etc.) that user can be facilitated to change in printing device, imaging cartridge is provided with imaging box chip usually.
In imaging box chip, record sequence number, imaging cartridge model, filling sign imaging substance color characteristics, characterize the authorization informations such as imaging substance total amount, and the image-forming information such as the imaging date obtained in follow-up imaging process, imaging substance amount information.Printing device is by sending to imaging box chip the using state that read write command knows imaging cartridge.
The imaging process (such as print procedure) of printing device has been come alternately mainly through imaging box chip and printing device.Because imaging cartridge and imaging box chip thereof are dismountable expendable imaging box chips; printing device manufacturer uses counterfeit merchandise inferior in order to avoid user and causes damage to printing device on printing device, usually can set an imaging box chip authenticate ruler in printing device.This authenticate ruler both can be the authorization information for verifying chip of imaging box such as model and color of the default imaging cartridge stored in printing device, also can be the sequence number stored in imaging box chip.For the latter, when imaging cartridge is installed to after in printing device, printing device will read the sequence number in imaging box chip, then judges that whether this sequence number is that authorize or legal, and then allows to use the consumptive material that have passed this identification and refuse to use cannot by the consumptive material of this identification.By such authentication mode, can avoid to a certain extent on printing device, use unauthorized imaging cartridge.
But, even if authenticate ruler tight is more also leaky.Counterfeiter often through to authorize or legal imaging box chip carry out a large amount of tests and checking, certification rule can be cracked, find out the method making counterfeit imaging box chip be recognized machine.Therefore, for original-pack producer, effective life cycle of an imaging box chip authenticate ruler is exactly the time that this authenticate ruler is cracked by third party substantially.If exceed this time limit, the authenticate ruler that original-pack producer can only more renew, or burning is again changed to the data in imaging box chip.This certainly will add imaging box chip development cost, to counterfeiter's opportunity between current authentication rule lost efficacy and new authenticate ruler is issued.
Therefore, need the authenticate ruler that a kind of protection is stronger badly, extend the effect of imaging box chip verifying function.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of new printing device imaging box chip verification method and corresponding printing device.The method comprises first stage checking mode and second stage checking mode (being also two kinds of checking modes), and when meeting pre-conditioned, printing device is switched to second stage checking mode to the checking of imaging cartridge by first stage checking mode.
The method comprises first stage checking mode and second stage checking mode, wherein
In the starting stage, printing device adopts first stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device, when meeting pre-conditioned, printing device is switched to second stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device by first stage checking mode.
In one embodiment, in described first stage checking mode for checking the data of legitimacy to be for checking the data of the data middle finger location number to be checked of legitimacy in described second stage checking mode.
In one embodiment, described first stage checking mode comprises the following steps:
Printing device sends the first data comprising random number to imaging box chip to be verified;
Printing device reads the second data in imaging box chip to be verified;
Printing device receives the data to be checked from imaging box chip to be verified;
Whether printing device checks the data of data middle finger location number to be checked correct, if correct, allow imaging box chip to recognize machine, if incorrect, does not allow imaging box chip to recognize machine.
In one embodiment, the whether correct mode of the data of data middle finger location number to be checked is checked to comprise with one of under type:
First kind of way, printing device performs the first logical operation to the first data and obtains the first operation result, judges whether the first operation result mates with the data of data middle finger location number to be checked;
The second way, the mapping table of the data of the appointment figure place of the first data and data to be checked is preset with in printing device, printing device draws the checking result of the data of the appointment figure place that the first data are corresponding by searching mapping table, judge whether it mates with the data of the appointment figure place of data to be checked.
In one embodiment, described second stage checking mode comprises the following steps:
Printing device sends to imaging box chip to be verified and comprises random number first data;
Printing device reads the second data in imaging box chip to be verified;
Printing device receives the data to be checked from imaging box chip to be verified;
Whether printing device checks data to be checked correct, if correct, allow imaging box chip to recognize machine, if incorrect, does not allow imaging box chip to recognize machine.
In one embodiment, check the whether correct mode of data to be checked comprise following any one:
First kind of way, printing device performs the second logical operation to the first data and obtains the second operation result, judges whether the second operation result mates with data to be checked;
The second way, printing device performs the 3rd logical operation to the first data and the second data and obtains the 3rd operation result, judges whether the 3rd operation result mates with data to be checked;
The third mode, is preset with the mapping table of the first data and data to be checked in printing device, printing device draws by searching mapping table the checking result that the first data are corresponding, judges whether it mates with data to be checked;
4th kind of mode, printing device performs the 4th logical operation to the first data and the second data and obtains the 4th operation result, and be preset with the mapping table of the 4th data and data to be checked in printing device, printing device draws by searching mapping table the checking result that the 4th data are corresponding, judges whether it mates with data to be checked.
5th kind of mode, be preset with in printing device with in data to be checked except the tables of data that the remainder data of described appointment figure place is corresponding, judge whether the data in tables of data mate except the remainder data of described appointment figure place with data to be checked;
Whether the 6th kind of mode, judge to specify the data of figure place to mate with the remainder data except described appointment figure place described in data to be checked.
In one embodiment, judge whether data mate and refer to that whether compare data identical, or compare data and whether meet default algorithmic rule.
In one embodiment, described first, second, third, fourth logical operation is one or more in combinational logic computing, hash algorithm, symmetric encipherment algorithm, rivest, shamir, adelman or digital signature identification.
In one embodiment, describedly pre-conditionedly any one condition following is comprised:
When associated firmware when producer to printing device is upgraded, or when printing device receives the instruction of the activation second stage checking mode that producer sends by internet, or when printing device receives the instruction of the activation second stage checking mode that user sends, or when printing device receives the instruction of the activation second stage checking mode that the new imaging box chip installed sends, or when printing device to reach service time the default first stage verify life cycle time.
In one embodiment, when allowing imaging box chip to recognize machine, the data of the appointment figure place of judicious data to be checked resend to imaging box chip by printing device, or proceed other read-write operation to imaging box chip, or are allow to perform imaging operation; When not allowing imaging box chip to recognize machine, printing device reports an error, or printing device stops the read-write operation to imaging box chip, or is forbid performing imaging operation.
According to a further aspect in the invention, additionally provide a kind of printing device, it comprises imaging box chip authentication module and verification control module:
Imaging box chip authentication module, in the starting stage, verifies the legitimacy of the imaging box chip be installed on printing device according to first stage checking mode;
When reaching pre-conditioned, imaging box chip authentication module is switched to second stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device by verification control module by first stage checking mode.
Compared with prior art, one or more embodiment of the present invention can have the following advantages by tool:
The checking of printing device to the imaging box chip be installed on it (imaging cartridge) comprises first stage and second stage two kinds of checking modes, first stage verification is used when dispatching from the factory first after equipment development, when effective life cycle of first stage verification rule completes, or after having there is the counterfeit merchandise after cracking on the market, producer can extend effective verification life cycle of imaging box chip by activating second stage verification.Due under first stage checking mode and second stage checking mode, information interaction step between chip and printing device is roughly the same, therefore the effect reached only by the new algorithm of activation just can realize reclaiming burning again by imaging box chip in conventional method, greatly reduces cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in description, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, with embodiments of the invention jointly for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
The schematic diagram of the printing device that Fig. 1 uses for the embodiment of the present invention;
The schematic diagram that the printing device that Fig. 2 uses for the embodiment of the present invention is connected with imaging box chip;
Fig. 3 is the method step figure that in the embodiment of the present invention one, printing device performs first stage verification;
Fig. 4 is the relationship map figure of a kind of pseudo random number A of providing in the embodiment of the present invention one and data C to be checked;
Fig. 5 for adding the method step figure that second stage verifies in the embodiment of the present invention one in the first stage verification shown in Fig. 3;
Fig. 6 is the method step figure that in the embodiment of the present invention two, printing device performs first stage verification;
The relationship map figure that Fig. 7 is a kind of pseudo random number A of providing in the embodiment of the present invention two and the second data B and data C to be checked.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, following embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic diagram of the printing device that the embodiment of the present invention uses.As can be seen from Figure 1, printing device 1 comprises user interface 10, imaging cartridge installation position 11, special IC (ASIC) 12 and image recording unit 13.User interface 10, for connecting the external equipments such as computer, mobile phone, video camera, internet, facilitates printing device reception from the dependent instruction of external equipment.Imaging cartridge installation position 11 is provided with multiple imaging cartridge 20 removably, the imaging substance of different colours or type can be held in different imaging cartridges 20, provide imaging substance to image recording unit 13.Printing device 1 can be such as ink jet printing device and/or duplicator or electrophotographic printer equipment and/or duplicator.
When the above-mentioned example for printing device 1, image recording unit 13 can be such as printhead unit or electrophotographic printer unit, and comprises the imaging head 31 for forming image on the substrate 34 of such as a slice print media or light-sensitive element.At this, Reference numeral 34 is all adopted to represent for simplicity.Such as, print media 34.Imaging cartridge 20 can be such as ink-feeding container, ink jet printhead cartridge (PH), toner container or electronic photography process cartridge (EP), wherein often kind be included in imaging during need the imaging substance of such as ink or ink powder that consumes.Printing device 1 uses the imaging substance comprised in imaging cartridge 20, forms image on print media 34.Print media can be such as the scraps of paper, piece of cloth or transparent film.
It should be noted that image recording unit 13 and imaging cartridge 11 both can be formed separately as discrete unit, also can merge as a whole unit.Such as, in ink-jet technology, the unit of this entirety can be the ink jet printhead cartridge (PH) comprising ink reservoir (reservoir) and the ink jet-print head formed as single running stores.Therefore, for convenience's sake, " imaging cartridge " is used to comprise above-mentioned configured separate or configured in one piece, and is the example of running stores.Preferably, the outer wall of imaging cartridge 20 is provided with for storing the chip relating to imaging cartridge 11 relevant information, this chip carries out communication by bus and printing device.When ink jet printhead cartridge (PH), chip also can be a part for printhead silicon.
Fig. 2 is the special IC (ASIC) 12 of printing device 1 carries out communication schematic diagram by bus and imaging box chip 33.Bus comprises power line VCC, ground wire GND, clock line CLK and address date line Address/Data.Chip 33 is electrically connected with above-mentioned bus, and receives power supply and signal.Because imaging cartridge 20 and imaging box chip 33 are arranged on printing device 1 removably, therefore printing device 1 needs the legitimacy of proofing chip.
As previously mentioned, in order to extend the effect of imaging box chip verifying function, the present invention proposes a kind of new certification thinking, namely being carried out the legitimacy of proofing chip by two kinds of checking modes: first stage checking mode and second stage checking mode.Use first stage verification when printing device dispatches from the factory first after equipment development, when meeting pre-conditioned, printing device is switched to second stage checking mode by first stage checking mode.Wherein, second stage checking mode is different from first stage checking mode.In the present invention preferably, second stage checking mode is the verification method developed further on the basis of first stage checking mode.
Described pre-conditioned can by producer according to specific requirement sets itself.Particularly, described pre-conditioned can be that the associated firmware of producer to printing device is when upgrading, when can be printing device receive by internet the activation instruction that producer sends, or printing device is when receiving the activation instruction that user sends, or printing device is when receiving the activation instruction that the new imaging box chip installed sends, can also be that producer has preset a first stage verification life cycle before equipment or imaging box chip dispatch from the factory, reach promotion condition when printing device uses and meets the first stage verification life cycle preset.
Fig. 3 shows printing device in one embodiment and imaging cartridge is carried out to the workflow diagram of first stage modulo check:
Step 101, printing device sends the first data by bus to chip, and the first data comprise read/write command data and one group of pseudo random number A.In the present embodiment, this group pseudo random number A is by the random number generator stochastic generation in printing device, pseudo random number A by having prestored many groups pseudo random number in printing device, can also send to chip when proofing chip according to the rule that manufacturer is predetermined in other embodiments.
Step 102, printing device reads the second data B stored in chip by bus.In the present embodiment, second data B is the data characterizing chip model, in other embodiments the second data B can also be record in chip sequence number, type information, color characteristics information, capacity information, etc. authorization information, or the image-forming information such as the imaging date obtained in follow-up imaging process, imaging substance amount information.
Step 103, printing device receives the data C to be checked from chip by bus.Described data C to be checked prestores in chip or the data of a location number (being 16 bytes in the present embodiment) by calculating, has corresponding relation with the pseudo random number A in step 101.
Step 104, printing device verifies that whether the data of data C middle finger location number to be checked (being front 8 bytes in the present embodiment) are correct:
If correct, perform step 105;
If incorrect, perform step 106.
Step 105, allows chip to recognize machine.It can be resend to chip by the data of the appointment figure place of judicious data C to be checked (front 8 bytes) that this step allows chip to recognize machine, or continue read-write operation chip being carried out to other, or be allow imaging cartridge to perform imaging operation.
Step 106, does not allow chip to recognize machine.It can be that printing device reports an error that this step does not allow chip to recognize machine, or printing device stops the read-write operation to this chip, or is forbid that imaging cartridge performs imaging operation.
Particularly, in above-mentioned steps 104, printing device verifies that whether the data of data C middle finger location number to be checked (in the present embodiment for front 8 bytes) are correct, can by such as completing with under type:
1) such as, printing device performs the first logical operation to pseudo random number A and obtains the first operation result of 8 bytes, then judges whether the first operation result mates with front 8 bytes of data C to be checked.First logical operation can be combinational logic computing, the verification computing of SHA, positive and inverse code or other manufacturers are preset in operation rule in printing device.
2) or, the mapping table of front 8 byte datas of pseudo random number A and data C to be checked is prestored in printing device, printing device draws then judge whether the 3rd data D mates with front 8 bytes of data C to be checked by the 3rd data D that pseudo random number A is corresponding in the mapping table by searching this mapping table.At this, be described for the mapping table shown in Fig. 4.When pseudo random number A is 094D4A3001203980, printing device draws in the table corresponding to the second byte 4D by searching, whether the row corresponding to nybble 30 and the 3rd data D corresponding to the row corresponding to the 5th byte 01 are 396DB937402F4601, and then compare the 3rd data D and mate with front 8 bytes of data C to be checked.Certainly, this lookup table mode is only citing, and the present invention can be not limited thereto.
When meeting pre-conditioned, printing device is switched to second stage checking mode by first stage checking mode.The algorithm of second stage checking mode both can be increase checking procedure (as shown in Figure 5) on the basis of first stage checking mode, also can be the another set of steps flow chart (as shown in Figure 6) being similar to first stage checking mode.It should be noted that, in the embodiment shown in Fig. 5 and Fig. 6, second stage checking mode is on the basis of first stage checking mode, add a little (being more Specifically one) checking procedure, in other words, in first stage checking mode for checking the data to be checked of legitimacy to be for checking the data of the data middle finger location number to be checked of legitimacy in described second stage checking mode.Like this under first stage checking mode and second stage checking mode, the information interaction step between imaging box chip and printing device is roughly the same.The beneficial effect done like this is, achieves the upgrading to authentication function with low development cost.But it should be noted that the present invention also can be not limited thereto, the checking principle of second stage checking mode also can be different from the checking principle of first stage checking mode completely, as long as can continue upon activation to realize the authentication function to imaging box chip.
Fig. 5 shows the second stage method of calibration that printing device adds checking procedure on the basis of the first stage checking process shown in Fig. 3.
When second stage checking mode is activated, still perform step 101 to step 104 according to the first stage checking process shown in Fig. 3, and also need after step 104 is performed perform step 104 ', printing device verifies that whether the data of the remaining figure place (being rear 8 bytes in the present embodiment) of data C to be checked are correct: if correct, then perform step 105, if incorrect, then perform step 106.Particularly, printing device verifies with printing device in abovementioned steps 104, the mode whether data of rear 8 bytes of data C to be checked are correct can verify that the mode whether data of front 8 bytes of data C to be checked are correct is identical, does not repeat herein.
Fig. 6 shows the workflow diagram that printing device in another embodiment should require to carry out imaging cartridge second stage modulo check:
Step 201, printing device sends the first data by bus to chip, and the first data comprise read/write command data and one group of pseudo random number A.This group pseudo random number A both by the random number generator stochastic generation in printing device, also by having prestored many groups pseudo random number in printing device, can send to chip when proofing chip according to the rule that manufacturer is predetermined.
Step 202, printing device reads the second data B stored in chip by bus.In the present embodiment, second data B is the data characterizing chip model, in other embodiments the second data B can also be record in chip sequence number, type information, color characteristics information, capacity information, etc. authorization information, or the image-forming information such as the imaging date obtained in follow-up imaging process, imaging substance amount information.
Step 203, printing device receives the data C to be checked from chip by bus.Described data C to be checked prestores in chip or the data of a location number (being 16 bytes in the present embodiment) by calculating, has corresponding relation with the pseudo random number A in step 201.
Step 204, printing device verifies that whether the data of data C to be checked are correct:
If correct, perform step 205;
If incorrect, perform step 206.
Step 205, allows chip to recognize machine.It can be resend judicious data C to be checked to chip that this step allows chip to recognize machine, or continues read-write operation chip being carried out to other, or is allow imaging cartridge to perform imaging operation.
Step 206, does not allow chip to recognize machine.It can be that printing device reports an error that this step does not allow chip to recognize machine, or printing device stops the read-write operation to this chip, or is forbid that imaging cartridge performs imaging operation.
Particularly, in above-mentioned steps 204, printing device verifies that data C to be checked is whether correct, can by such as completing with under type:
1) such as, printing device performs to pseudo random number A the second operation result that the second logical operation obtains 16 bytes, judges whether the second operation result mates with data C to be checked.Second logical operation can be combinational logic computing, the verification computing of SHA, positive and inverse code or other manufacturers are preset in operation rule in printing device.
2) or, printing device performs to pseudo random number A and the second data B the 3rd operation result that the 3rd logical operation obtains 16 bytes, judges whether the 3rd operation result mates with data C to be checked.3rd logical operation can be the combinational logic computing of pseudo random number A and the second data B, the verification computing of SHA, positive and inverse code or other manufacturers are preset in operation rule in printing device.
3) or, store the mapping table of pseudo random number A and data C to be checked in printing device, printing device draws by tabling look-up and compares the 4th data E that pseudo random number A is corresponding in the mapping table the 4th data E and whether mate with data C to be checked.
4) again or, the mapping table of pseudo random number A and the second data B and data C to be checked is stored in printing device, printing device performs the 4th logical operation to pseudo random number A and the second data B and obtains the 4th data E, and be preset with the mapping table of the 4th data E and data C to be checked in printing device, printing device draws checking result corresponding to the 4th data E judge whether it mates with data to be checked by searching this mapping table.At this, be described for the mapping table shown in Fig. 7.When performing the 4th logical operation to pseudo random number A and the second data B to obtain the 4th operation result being 094D4A3001203980, in the table corresponding to the second byte 4D, whether the row corresponding to nybble 30 and the data corresponding to row corresponding to the 5th byte 01 are 396DB937402F4601300120392F464D4A, compare these data and mate with data C to be checked.Certainly, above-mentioned lookup table mode is only citing, and concrete can also have other lookup table mode, and such as pseudo random number A and the second data are respectively as the data of the ad-hoc location of pointed table, judge whether the data of this position mate with data C to be checked, and the present invention can be not limited thereto.
Further, in above-mentioned comparison procedure, judging whether corresponding data mate with data C to be checked, both can be judge that whether data are identical with data C to be checked, also can be judge whether data meet default algorithmic rule with data C to be checked.
Correspondingly, the invention provides a kind of printing device comprising imaging box chip authentication module and verification control module.Wherein, imaging box chip authentication module, in the starting stage, verifies the legitimacy of the imaging box chip be installed on printing device according to first stage checking mode; When reaching pre-conditioned, imaging box chip authentication module is switched to second stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device by verification control module by first stage checking mode.
Should be noted that, in the above-described embodiments, first, second, third, fourth described logical operation can be the operation rule that manufacturer is preset in printing device, as by with door or door, not gate, get true form, negate code, get complement code, combinational logic computing that the logical operation of frameshit at least one is combined; Also can be international canonical algorithm, as hash algorithm, symmetric encipherment algorithm, rivest, shamir, adelman, digital signature identification etc.Described first, second, third, fourth logical operation can be the operation rule that manufacturer is preset in printing device, as by with door or door, not gate, get true form, negate code, get complement code, combinational logic computing that the logical operation of frameshit at least one is combined; Also can be international canonical algorithm, as hash algorithm, symmetric encipherment algorithm, rivest, shamir, adelman, digital signature identification etc.Judge in above-described embodiment whether data mate and refer to that whether compare data identical, or compare data and whether meet default algorithmic rule, this algorithm can be manufacturer's operation rule be preset in printing device equally also can be international canonical algorithm.
Generally speaking, the present invention proposes a kind of new printing device imaging box chip authentication method comprising first stage and second stage two kinds of checking modes and implements the printing device of the method.First stage verification is used when dispatching from the factory first after equipment development, when effective life cycle of first stage verification rule terminates, or after having there is the counterfeit merchandise after cracking on the market, producer extends effective verification life cycle of imaging box chip by the mode activating second stage checking procedure.Further, in the above-described embodiments, due under first stage checking mode and second stage checking mode, information interaction step between imaging box chip and printing device is roughly the same, therefore just can reach traditional effect imaging box chip being reclaimed burning again by means of only the new algorithm of activation, greatly reduce development and maintenance cost.
The above; be only specific embodiment of the invention case, protection scope of the present invention is not limited thereto, and is anyly familiar with those skilled in the art in technical specification of the present invention; to amendment of the present invention or replacement, all should within protection scope of the present invention.
Claims (11)
1. a method for printing device verifying chip of imaging box, is characterized in that:
Comprise first stage checking mode and second stage checking mode, wherein
In the starting stage, printing device adopts first stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device, when meeting pre-conditioned, printing device is switched to second stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device by first stage checking mode.
2. printing device imaging box chip verification method according to claim 1, it is characterized in that, for checking the data of legitimacy to be for checking the data of the data middle finger location number to be checked of legitimacy in described second stage checking mode in described first stage checking mode.
3. printing device imaging box chip verification method according to claim 1, is characterized in that, described first stage checking mode comprises the following steps:
Printing device sends the first data comprising random number to imaging box chip to be verified;
Printing device reads the second data in imaging box chip to be verified;
Printing device receives the data to be checked from imaging box chip to be verified;
Whether printing device checks the data of data middle finger location number to be checked correct, if correct, allow imaging box chip to recognize machine, if incorrect, does not allow imaging box chip to recognize machine.
4. printing device imaging box chip verification method according to claim 3, is characterized in that, checks the whether correct mode of the data of data middle finger location number to be checked to comprise with one of under type:
First kind of way, printing device performs the first logical operation to the first data and obtains the first operation result, judges whether the first operation result mates with the data of data middle finger location number to be checked;
The second way, the mapping table of the data of the appointment figure place of the first data and data to be checked is preset with in printing device, printing device draws the checking result of the data of the appointment figure place that the first data are corresponding by searching mapping table, judge whether it mates with the data of the appointment figure place of data to be checked.
5. according to the printing device imaging box chip verification method in claims 1 to 3 described in any one, it is characterized in that, described second stage checking mode comprises the following steps:
Printing device sends to imaging box chip to be verified and comprises random number first data;
Printing device reads the second data in imaging box chip to be verified;
Printing device receives the data to be checked from imaging box chip to be verified;
Whether printing device checks data to be checked correct, if correct, allow imaging box chip to recognize machine, if incorrect, does not allow imaging box chip to recognize machine.
6. printing device imaging box chip verification method according to claim 5, is characterized in that, check the whether correct mode of data to be checked comprise following any one:
First kind of way, printing device performs the second logical operation to the first data and obtains the second operation result, judges whether the second operation result mates with data to be checked;
The second way, printing device performs the 3rd logical operation to the first data and the second data and obtains the 3rd operation result, judges whether the 3rd operation result mates with data to be checked;
The third mode, is preset with the mapping table of the first data and data to be checked in printing device, printing device draws by searching mapping table the checking result that the first data are corresponding, judges whether it mates with data to be checked;
4th kind of mode, printing device performs the 4th logical operation to the first data and the second data and obtains the 4th operation result, and be preset with the mapping table of the 4th data and data to be checked in printing device, printing device draws by searching mapping table the checking result that the 4th data are corresponding, judges whether it mates with data to be checked;
5th kind of mode, be preset with in printing device with in data to be checked except the tables of data that the remainder data of described appointment figure place is corresponding, judge whether the data in tables of data mate except the remainder data of described appointment figure place with data to be checked;
Whether the 6th kind of mode, judge to specify the data of figure place to mate with the remainder data except described appointment figure place described in data to be checked.
7. the printing device imaging box chip verification method according to claim 4 or 6, is characterized in that:
Judge whether data mate and refer to that whether compare data identical, or compare data and whether meet default algorithmic rule.
8. the printing device imaging box chip verification method according to claim 4 or 6, is characterized in that:
Described first, second, third, fourth logical operation is one or more in combinational logic computing, hash algorithm, symmetric encipherment algorithm, rivest, shamir, adelman or digital signature identification.
9. printing device imaging box chip verification method according to claim 1, is characterized in that, describedly pre-conditionedly comprises any one condition following:
When associated firmware when producer to printing device is upgraded, or when printing device receives the instruction of the activation second stage checking mode that producer sends by internet, or when printing device receives the instruction of the activation second stage checking mode that user sends, or when printing device receives the instruction of the activation second stage checking mode that the new imaging box chip installed sends, or when printing device to reach service time the default first stage verify life cycle time.
10. printing device imaging box chip verification method according to claim 1, is characterized in that:
When allowing imaging box chip to recognize machine, the data of the appointment figure place of judicious data to be checked resend to imaging box chip by printing device, or proceed other read-write operation to imaging box chip, or are allow to perform imaging operation;
When not allowing imaging box chip to recognize machine, printing device reports an error, or printing device stops the read-write operation to imaging box chip, or is forbid performing imaging operation.
11. 1 kinds of printing devices, is characterized in that, comprise imaging box chip authentication module and verification control module:
Imaging box chip authentication module, in the starting stage, verifies the legitimacy of the imaging box chip be installed on printing device according to first stage checking mode;
When reaching pre-conditioned, imaging box chip authentication module is switched to second stage checking mode to verify the legitimacy of the imaging box chip be installed on printing device by verification control module by first stage checking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504951.7A CN105058997B (en) | 2015-08-17 | 2015-08-17 | A kind of method and printing device of printing device verifying chip of imaging box |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310274A (en) * | 2017-06-09 | 2017-11-03 | 珠海艾派克微电子有限公司 | Data processing equipment, method, chip and imaging cartridge based on imaging box chip |
| CN108116053A (en) * | 2017-12-19 | 2018-06-05 | 杭州旗捷科技有限公司 | A kind of consumable chip authentication method, consumable chip and imaging cartridge |
| CN110395049A (en) * | 2018-04-25 | 2019-11-01 | 广州众诺电子技术有限公司 | High capacity chip and consumable container |
| WO2021008291A1 (en) * | 2019-07-15 | 2021-01-21 | 杭州旗捷科技有限公司 | Communication method for consumables chip, consumables chip, and consumable |
| CN113326008A (en) * | 2020-02-28 | 2021-08-31 | 广州众诺电子技术有限公司 | Chip verification method, imaging chip and imaging box |
| CN113687802A (en) * | 2021-08-27 | 2021-11-23 | 广州众诺电子技术有限公司 | Chip verification method and related device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000255076A (en) * | 1999-03-05 | 2000-09-19 | Seiko Epson Corp | Ink jet recorder |
| CN101051303A (en) * | 2006-04-04 | 2007-10-10 | 北京锐科天智科技有限责任公司 | Part protecting method and hard ware device |
| CN101894285A (en) * | 2010-01-26 | 2010-11-24 | 珠海天威技术开发有限公司 | Radio frequency chip, consumable material container, data writing method and verifying method |
| US7971947B2 (en) * | 2008-04-07 | 2011-07-05 | Static Control Components, Inc. | Systems and methods for remanufacturing imaging components |
| CN102189810A (en) * | 2011-04-06 | 2011-09-21 | 珠海艾派克微电子有限公司 | Imaging device and method for verifying chip of imaging box |
| CN202138071U (en) * | 2011-04-06 | 2012-02-08 | 珠海艾派克微电子有限公司 | Imaging device for verifying imaging cartridge chips |
| CN103753963A (en) * | 2013-12-26 | 2014-04-30 | 珠海艾派克微电子有限公司 | Method for using imaging device for verifying validity of imaging box and imaging device |
| CN103879157A (en) * | 2014-01-20 | 2014-06-25 | 珠海艾派克微电子有限公司 | Parameter sending method of storage chip of imaging box, storage chip and imaging box |
| CN104102106A (en) * | 2014-07-16 | 2014-10-15 | 广州小微电子技术有限公司 | Imaging box verification method and system adopting verification method |
-
2015
- 2015-08-17 CN CN201510504951.7A patent/CN105058997B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000255076A (en) * | 1999-03-05 | 2000-09-19 | Seiko Epson Corp | Ink jet recorder |
| CN101051303A (en) * | 2006-04-04 | 2007-10-10 | 北京锐科天智科技有限责任公司 | Part protecting method and hard ware device |
| US7971947B2 (en) * | 2008-04-07 | 2011-07-05 | Static Control Components, Inc. | Systems and methods for remanufacturing imaging components |
| CN101894285A (en) * | 2010-01-26 | 2010-11-24 | 珠海天威技术开发有限公司 | Radio frequency chip, consumable material container, data writing method and verifying method |
| CN102189810A (en) * | 2011-04-06 | 2011-09-21 | 珠海艾派克微电子有限公司 | Imaging device and method for verifying chip of imaging box |
| CN202138071U (en) * | 2011-04-06 | 2012-02-08 | 珠海艾派克微电子有限公司 | Imaging device for verifying imaging cartridge chips |
| CN103753963A (en) * | 2013-12-26 | 2014-04-30 | 珠海艾派克微电子有限公司 | Method for using imaging device for verifying validity of imaging box and imaging device |
| CN103879157A (en) * | 2014-01-20 | 2014-06-25 | 珠海艾派克微电子有限公司 | Parameter sending method of storage chip of imaging box, storage chip and imaging box |
| CN104102106A (en) * | 2014-07-16 | 2014-10-15 | 广州小微电子技术有限公司 | Imaging box verification method and system adopting verification method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310274A (en) * | 2017-06-09 | 2017-11-03 | 珠海艾派克微电子有限公司 | Data processing equipment, method, chip and imaging cartridge based on imaging box chip |
| CN107310274B (en) * | 2017-06-09 | 2019-05-14 | 珠海艾派克微电子有限公司 | Data processing equipment, method, chip and imaging cartridge based on imaging box chip |
| CN108116053A (en) * | 2017-12-19 | 2018-06-05 | 杭州旗捷科技有限公司 | A kind of consumable chip authentication method, consumable chip and imaging cartridge |
| CN110395049A (en) * | 2018-04-25 | 2019-11-01 | 广州众诺电子技术有限公司 | High capacity chip and consumable container |
| WO2021008291A1 (en) * | 2019-07-15 | 2021-01-21 | 杭州旗捷科技有限公司 | Communication method for consumables chip, consumables chip, and consumable |
| EP3929780A4 (en) * | 2019-07-15 | 2022-11-16 | Hangzhou Chipjet Technology Co., Ltd. | Communication method for consumables chip, consumables chip, and consumable |
| US11850866B2 (en) | 2019-07-15 | 2023-12-26 | Hangzhou Chipjet Technology Co., Ltd. | Communication method for consumables chip, consumables chip, and consumable |
| CN113326008A (en) * | 2020-02-28 | 2021-08-31 | 广州众诺电子技术有限公司 | Chip verification method, imaging chip and imaging box |
| CN113687802A (en) * | 2021-08-27 | 2021-11-23 | 广州众诺电子技术有限公司 | Chip verification method and related device |
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Address after: 7th Floor, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 7th Floor, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee before: APEX MICROELECTRONICS Co.,Ltd. |