CN111796779A - Credible judgment method and system for active measurement of printer - Google Patents
Credible judgment method and system for active measurement of printer Download PDFInfo
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- CN111796779A CN111796779A CN202010580175.XA CN202010580175A CN111796779A CN 111796779 A CN111796779 A CN 111796779A CN 202010580175 A CN202010580175 A CN 202010580175A CN 111796779 A CN111796779 A CN 111796779A
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- Prior art keywords
- printer
- active measurement
- controller
- trusted
- credible
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- 238000005259 measurement Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/121—Facilitating exception or error detection and recovery, e.g. fault, media or consumables depleted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1229—Printer resources management or printer maintenance, e.g. device status, power levels
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
A credibility judgment method and a system for printer active measurement are provided, the method comprises the following steps: powering on the printer; actively measuring the start reset of the trusted root chip pause controller; the active measurement trusted root chip reads a control program in a memory and executes a trusted computing program to obtain a trusted computing value; judging whether the credible calculation value is consistent with a preset value or not; if so, the active measurement trusted root chip releases the controller, and the controller resets; if not, the printer gives an alarm. According to the method and the system for credibly judging the active measurement of the printer, credible judgment can be carried out on the program voice in the printer, so that whether the program voice in the printer is lost or not is judged, and the probability of operation failure caused by missing of the program voice of the printer is reduced.
Description
Technical Field
The invention belongs to the technical field of printers, and particularly relates to a method and a system for judging credibility of active measurement of a printer.
Background
A Printer (Printer) is one of the output devices of a computer for printing the results of a computer process on an associated medium. The printer stores various data, such as data to be printed, program data executed by the printer, and the like, but due to various reasons, program execution voice of the printer itself may be lost, so that the subsequent printer cannot normally operate.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for judging the credibility of active measurement of a printer, wherein the method comprises the following steps:
powering on the printer;
actively measuring the start reset of the trusted root chip pause controller;
the active measurement trusted root chip reads a control program in a memory and executes a trusted computing program to obtain a trusted computing value;
judging whether the credible calculation value is consistent with a preset value or not;
if so, the active measurement trusted root chip releases the controller, and the controller resets;
if not, the printer gives an alarm.
Preferably, before the printer is powered on, the method further comprises the following steps:
and writing the control program into the memory.
Preferably, before the printer is powered on, the method further comprises the following steps:
and writing the trusted computing program into the active measurement trusted root chip.
Preferably, before the printer is powered on, the method further comprises the following steps:
and writing the preset reference metric value into the active metric credible root chip.
The application also provides a credible judgment system for active measurement of a printer, the system comprises: the system comprises an active measurement credible root chip, a memory and a controller, wherein the active measurement credible root chip is respectively connected with the memory and the controller, and the system uses the printer active measurement credibility judgment method to judge the active measurement credibility of the printer.
According to the method and the system for credibly judging the active measurement of the printer, credible judgment can be carried out on the program voice in the printer, so that whether the program voice in the printer is lost or not is judged, and the probability of operation failure caused by missing of the program voice of the printer is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a connection diagram of a trusted judgment system for active measurement of a printer according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In an embodiment of the present application, the present invention provides a method for judging trust of active measurement of a printer, where the method includes:
powering on the printer;
actively measuring the trusted root chip 1, suspending the controller 2, and starting reset;
the active measurement trusted root chip 1 reads a control program in the memory 3 and executes a trusted computing program to obtain a trusted computing value;
judging whether the credible calculation value is consistent with a preset value or not;
if yes, the active measurement trusted root chip 1 releases the controller 2, and the controller 2 is reset;
if not, the printer gives an alarm.
In this embodiment of the present application, before the printer is powered on, the method further includes:
the control program is written into the memory 3.
In this embodiment of the present application, before the printer is powered on, the method further includes:
and writing the trusted computing program into the active measurement trusted root chip 1.
In this embodiment of the present application, before the printer is powered on, the method further includes:
and writing the preset reference metric value into the active metric credible root chip 1.
As shown in fig. 1, in an embodiment of the present application, the present application further provides a system for determining trust of active measurement of a printer, where the system includes: the system comprises an active measurement credible root chip 1, a memory 3 and a controller 2, wherein the active measurement credible root chip 1 is respectively connected with the memory 3 and the controller 2, and the system uses the printer active measurement credible judging method to judge the active measurement credibility of the printer.
According to the method and the system for credibly judging the active measurement of the printer, credible judgment can be carried out on the program voice in the printer, so that whether the program voice in the printer is lost or not is judged, and the probability of operation failure caused by missing of the program voice of the printer is reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. A credible judgment method for active measurement of a printer is characterized by comprising the following steps:
powering on the printer;
actively measuring the start reset of the trusted root chip pause controller;
the active measurement trusted root chip reads a control program in a memory and executes a trusted computing program to obtain a trusted computing value;
judging whether the credible calculation value is consistent with a preset value or not;
if so, the active measurement trusted root chip releases the controller, and the controller resets;
if not, the printer gives an alarm.
2. The method for determining the credibility of the active measurement of the printer according to claim 1, further comprising the following steps before the printer is powered on:
and writing the control program into the memory.
3. The method for determining the credibility of the active measurement of the printer according to claim 1, further comprising the following steps before the printer is powered on:
and writing the trusted computing program into the active measurement trusted root chip.
4. The method for determining the credibility of the active measurement of the printer according to claim 1, further comprising the following steps before the printer is powered on:
and writing the preset reference metric value into the active metric credible root chip.
5. A system for determining trust in active metering of a printer, the system comprising: an active measurement root-of-trust chip, a memory and a controller, the active measurement root-of-trust chip being connected to the memory and the controller, respectively, wherein the system performs printer active measurement trust judgment using the printer active measurement trust judgment method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580175.XA CN111796779A (en) | 2020-06-23 | 2020-06-23 | Credible judgment method and system for active measurement of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580175.XA CN111796779A (en) | 2020-06-23 | 2020-06-23 | Credible judgment method and system for active measurement of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111796779A true CN111796779A (en) | 2020-10-20 |
Family
ID=72803604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010580175.XA Pending CN111796779A (en) | 2020-06-23 | 2020-06-23 | Credible judgment method and system for active measurement of printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111796779A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004086282A (en) * | 2002-08-23 | 2004-03-18 | Canon Inc | Printer driver, printing control method, and computer readable storage medium and program |
| CN101295340A (en) * | 2008-06-20 | 2008-10-29 | 北京工业大学 | Credible platform module and active measurement method thereof |
| CN108614975A (en) * | 2018-04-27 | 2018-10-02 | 北京可信华泰信息技术有限公司 | A kind of safe verification method based on integrity detection |
| CN109634541A (en) * | 2018-12-06 | 2019-04-16 | 中国船舶重工集团公司第七0七研究所 | A kind of Printer Information method for safety monitoring based on trust computing |
-
2020
- 2020-06-23 CN CN202010580175.XA patent/CN111796779A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004086282A (en) * | 2002-08-23 | 2004-03-18 | Canon Inc | Printer driver, printing control method, and computer readable storage medium and program |
| CN101295340A (en) * | 2008-06-20 | 2008-10-29 | 北京工业大学 | Credible platform module and active measurement method thereof |
| CN108614975A (en) * | 2018-04-27 | 2018-10-02 | 北京可信华泰信息技术有限公司 | A kind of safe verification method based on integrity detection |
| CN109634541A (en) * | 2018-12-06 | 2019-04-16 | 中国船舶重工集团公司第七0七研究所 | A kind of Printer Information method for safety monitoring based on trust computing |
Non-Patent Citations (1)
| Title |
|---|
| 阿里云安全: "看见"信任"，可信计算史上最全解析", 《HTTPS://YQ.ALIYUN.COM/ARTICLES/710337?UTM_CONTENT=G_1000069571》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |
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| RJ01 | Rejection of invention patent application after publication |