CN106355051A - Clock calibration method for software protection device - Google Patents
Clock calibration method for software protection device Download PDFInfo
- Publication number
- CN106355051A CN106355051A CN201610755699.1A CN201610755699A CN106355051A CN 106355051 A CN106355051 A CN 106355051A CN 201610755699 A CN201610755699 A CN 201610755699A CN 106355051 A CN106355051 A CN 106355051A
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- CN
- China
- Prior art keywords
- protecting equipment
- software protecting
- clock
- bag
- time
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims description 10
- 238000012795 verification Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/12—Protecting executable software
- G06F21/121—Restricting unauthorised execution of programs
- G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/14—Time supervision arrangements, e.g. real time clock
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Multimedia (AREA)
- Technology Law (AREA)
- Computer Hardware Design (AREA)
- Electric Clocks (AREA)
Abstract
The invention provides a clock calibration method for a software protection device. The method includes: S1, when the time in the software protection device is later than host time by a threshold value, a client acquires a clock calibration request packet in the software protection device; S2, the client sends the clock calibration request packet to a server; S3, the server receives the clock calibration request packet and compares to determine whether a difference between the host time in the clock calibration request packet and the time of the server is within a preset time error range or not, if yes, S4 is executed, and if not, error information is returned; S4, the server sends the clock calibration request packet to the client; S5, the client receives the clock calibration request packet and sends to the software protection device; S6, the software protection device checks validity of the clock calibration request packet, if yes, executing S7, and if not, returning the error information; S7, the software protection device calibrates the time in the device. According to the clock calibration method for the software protection device, a clock in the software protection device can be calibrated.
Description
Technical field
The present invention relates to computer safety field, more particularly, to a kind of clock correcting method of software protecting equipment.
Background technology
In software copyright protection field, it is conventional means that the use of software is controlled in limited time, and for example software is fixed
Phase tries out, leases, periodically using license isotype, and that is, software can only be used before the date of a certain setting, and this requires use
Software protecting equipment in software protection allows for obtaining current real-time time, so that the operation to software is controlled.
General way is software protecting equipment by certain rule, calibrates encryption lock internal clock according to host time, these rules are anti-
Only maliciously distort, do not allow to lock internal clock toward time calibration earlier.So, will there is a problem, if user is due to by mistake
Operation or other the reason, host time is arranged backward, software protecting equipment is due to host time alignment mechanism during this period
Also software protecting equipment internal clock will be arranged backward, now user will face two problems: one is, host time is arranged back
After orthochronous, software protecting equipment will be considered that this is a kind of malice tampering, does not allow to use software；Two are, user is only
The host time that can leave a mistake uncorrected and make the best of it using mistake, but this can shorten software license the time it is also possible to bring to user
Inconvenience.
Content of the invention
The invention provides a kind of clock correcting method of software protecting equipment, for solve due to user misoperation or its
He is led to the problem that software protecting equipment internal clock also arranges backward and causes the reason period that host time is arranged backward.
In order to solve the above problems, the invention provides a kind of clock correcting method of software protecting equipment, methods described
Including:
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software and protects
Clock alignment request bag in protection unit, described clock alignment request bag includes the time in host time and device；
S2, described clock alignment request bag is sent to server by client；
S3, server receives described clock alignment request bag, and compares the host time in described clock alignment request bag
With the difference of the time of server whether in the range of predetermined time error, if it is, execution s4, otherwise return mistake letter
Breath；
S4, clock alignment bag is sent to client by server；
S5, client receives described clock alignment bag and sends it to described software protecting equipment；
S6, described software protecting equipment verifies the legitimacy of described clock alignment bag, if legal, executes s7, otherwise
Return error message；
S7, the time in described software protecting equipment calibration described device.
Preferably, in the calibrating installation in step s7 the time specifically, described software protecting equipment is by when in described device
Between be calibrated to described host time.
Preferably, in the calibrating installation in step s7 the time specifically, described software protecting equipment is by when in described device
Between be calibrated to time of described server.
Preferably, described clock alignment request bag and described clock alignment bag also include random number, described software protection dress
Put the interior random number preserving in described clock alignment request bag, and verify the legal of described clock alignment bag using this random number
Property.
Preferably, server end in software protecting equipment end holds the public key being mutually matched and private key, described service respectively
Device signs and issues described clock alignment bag using described private key, and described software protecting equipment utilizes described public key to verify described clock alignment
The legitimacy of bag.
Preferably, described clock alignment request bag and described clock alignment bag also include random number, described software protection dress
Put the interior random number preserving in described clock alignment request bag, software protecting equipment end server end is held respectively and is mutually matched
Public key and private key, private key described in described server by utilizing signs and issues described clock alignment bag, and described software protecting equipment utilizes institute
State public key and the legitimacy of the random number described clock alignment bag of verification preserving.
Preferably, random number is saved in its internal eeprom described software protecting equipment.
Preferably, the described private key of server end is pre-stored in encryption device.
Preferably, the predetermined time error scope in step s3 is 3 minutes.
Preferably, described software protecting equipment is encryption lock.
Compared with prior art, the beneficial effects of the present invention is: the clock alignment side of the software protecting equipment of the present invention
Method, can clock in calibration software protection device, thus solve due to user misoperation or other reasonses host time is past
The period arranging afterwards leads to the problem that software protecting equipment internal clock also arranges backward and cannot recall to.
Brief description
Fig. 1 is the flow chart of the clock correcting method of the software protecting equipment of the present invention；
Fig. 2 is the flow chart of an embodiment of the clock correcting method of the software protecting equipment of the present invention；
Fig. 3 is the flow chart of another embodiment of the clock correcting method of the software protecting equipment of the present invention；
Fig. 4 is the flow chart of another embodiment of the clock correcting method of the software protecting equipment of the present invention.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but not as the limit to the present invention
Fixed.
As shown in figure 1, the clock correcting method of the software protecting equipment of the present invention comprises the following steps:
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software and protects
Clock alignment request bag in protection unit, clock alignment request bag includes the time in host time and device；
In step s1, in the device of software protecting equipment, the situation more late than host time is, for example, the time, user due to
Maloperation or other reasonses and host time is set to be later than after current orthochronous, and by host time adjust back current just
The really time.Now, software protecting equipment can automatically generate clock alignment request bag be sent to be arranged on special or logical in main frame
With client software (user installation can be supplied to by software protecting equipment provider) it is also possible to be carried out to this client by user
Manual operation, makes client ask clock alignment to software protecting equipment by clicking on the modes such as the button in client end interface
Request bag, software protecting equipment generates clock alignment request bag after receiving request and is sent to client.Wherein, clock alignment please
Ask bag to be generated by software protecting equipment, can effectively guarantee the legitimacy of data message included in clock alignment request bag, carry
The safety of high clock alignment request bag.
S2, clock alignment request bag is sent to server by client；
Server in step s2 is for software protecting equipment provider for providing the service of software protection related service
Device, in the device that this software protection related service includes to software protecting equipment, the time calibrates etc..
S3, server receives host time and server in clock alignment request bag, and comparison clock calibration request bag
Time difference whether in the range of predetermined time error, if it is, execution s4, otherwise return error message；
In step s3, by verifying to the error between the host time server time, can prevent in main frame
Time by malicious modification be differ with current orthochronous larger in the case of in device to software protecting equipment the time carry out
Clock alignment.
S4, clock alignment bag is sent to client by server；
In step s4, server, after the error between to the host time server time is veritified, can send one
Individual clock alignment bag, to client, for example can include the difference between host time and server time in this clock alignment bag
Value, or include server time, or inclusion is checked and approved the instruction of time or notice in the device of fixed software protection device and is disappeared
Breath.
S5, client receives clock alignment bag and sends it to software protecting equipment；
S6, software protecting equipment verifies the legitimacy of clock alignment bag, if legal, executes s7, otherwise returns mistake
Information；
In step s6, software protecting equipment can verify the legitimacy of clock alignment bag in several ways, specifically will be
Illustrate below with reference to Fig. 2-4.
S7, the time in software protecting equipment calibrating installation.
In step s7, after above-mentioned software protecting equipment verifies the legitimacy of clock alignment bag, if legal it is allowed to software
The calibration of early time is adjusted in this execution of protection device.
The clock correcting method of the software protecting equipment of the present invention, can clock in calibration software protection device, thus
Solve, due to user misoperation or other reasonses, are led to software protecting equipment internal clock the period that host time is arranged backward
The problem arranging backward and cannot recalling to.
Illustrate how the clock correcting method of the software protecting equipment of the present invention realizes verification below with specific embodiment
Legitimacy.
The flow chart that Fig. 2 shows an embodiment of the clock correcting method of the software protecting equipment of the present invention, such as Fig. 2
Shown, the clock correcting method of this embodiment comprises the following steps:
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software and protects
Clock alignment request bag in protection unit, clock alignment request bag includes the time in random number, host time and device；
S2, clock alignment request bag is sent to server by client, and preserves random number letter in software protecting equipment
Breath；
S3, server receives host time and server in clock alignment request bag, and comparison clock calibration request bag
Time difference whether in the range of predetermined time error, if it is, execution s4, otherwise return error message；
S4, clock alignment bag is sent to client by server, clock alignment bag include in clock alignment request bag with
Machine number information；
S5, client receives clock alignment bag and sends it to software protecting equipment；
S6, software protecting equipment verifies the legitimacy of clock alignment bag using the random number information preserving, if legal,
Execution s7, otherwise returns error message；
S7, the time in software protecting equipment calibrating installation.
In the embodiment shown in Figure 2, also wrap from the clock alignment request bag that software protecting equipment obtains in step s1
Include random number, in step s4 server in tranmitting data register calibration bag, can by the clock alignment receiving request bag should be with
Machine number adds clock alignment bag to send together.Software protecting equipment meeting when generating the random number being used in clock alignment request bag
Preserve the random number of a backup such that it is able in step s5 after client receives clock alignment bag, by the use of this as
The legitimacy to verify clock alignment bag for the random number of backup, to guarantee that this clock alignment bag is to be sent by legal server.
The flow chart that Fig. 3 shows another embodiment of the clock correcting method of the software protecting equipment of the present invention, such as
Shown in Fig. 3, the clock correcting method of this embodiment comprises the following steps:
S0, the pre-buried public key of software protecting equipment, the pre-buried private key with this public key match of server；
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software and protects
Clock alignment request bag in protection unit, clock alignment request bag includes the time in host time and device；
S2, clock alignment request bag is sent to server by client；
S3, server receives host time and server in clock alignment request bag, and comparison clock calibration request bag
Time difference whether in the range of predetermined time error, if it is, execution s4, otherwise return error message；
S4, server by utilizing private key is signed and issued clock alignment bag and clock alignment bag is sent to client；
S5, client receives clock alignment bag and sends it to software protecting equipment；
S6, software protecting equipment utilizes public key to verify the legitimacy of clock alignment bag, if legal, executes s7, otherwise
Return error message；
S7, the time in software protecting equipment calibrating installation.
In the embodiment shown in fig. 3, clock correcting method also includes step s0 so that software protecting equipment end and service
Device end holds the public key being mutually matched and private key respectively.Server signs and issues clock alignment using private key before tranmitting data register calibration bag
Bag, software protecting equipment then utilizes public key to verify the legitimacy of clock alignment bag, to guarantee that this clock alignment bag is by legal clothes
Business device sends.
Fig. 4 shows another embodiment of the clock correcting method of the software protecting equipment of the present invention, as shown in figure 4,
The clock correcting method of this embodiment comprises the following steps:
S0, the pre-buried public key of software protecting equipment, the pre-buried private key with this public key match of server；
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software and protects
Clock alignment request bag in protection unit, clock alignment request bag includes the time in random number, host time and device；
S2, clock alignment request bag is sent to server by client, and, preserves random number letter in software protecting equipment
Breath；
S3, server receives host time and server in clock alignment request bag, and comparison clock calibration request bag
Time difference whether in the range of predetermined time error, if it is, execution s4, otherwise return error message；
S4, server by utilizing private key is signed and issued clock alignment bag and clock alignment bag is sent to client, clock alignment bag
Including the random number information in clock alignment request bag；
S5, client receives clock alignment bag and sends it to software protecting equipment；
S6, software protecting equipment utilizes public key and the legitimacy of the random number information verification clock alignment bag preserving, if
Legal, then execute s7, otherwise return error message；
S7, the time in software protecting equipment calibrating installation.
The clock correcting method of the embodiment shown in Fig. 4 includes step s0 so that software protecting equipment end server end
Hold the public key being mutually matched and private key respectively.Simultaneously in step s1 from the clock alignment request bag that software protecting equipment obtains
Also include random number, in step s4, server, can be by the clock alignment receiving request bag in tranmitting data register calibration bag
This random number adds clock alignment bag to send together.Random number in generating for clock alignment request bag for the software protecting equipment
When can preserve the random number of a backup, server by utilizing private key signs and issues the clock alignment bag including random number, in step
In s5 after client receives clock alignment bag, software protecting equipment utilizes public key and the random number verification clock alignment preserving
The legitimacy of bag, to guarantee that this clock alignment bag is to be sent by legal server.
In an embodiment of the present invention, using any of the above-described method verification legal after, software protecting equipment can be by device
Interior time calibration is host time it is also possible to be calibrated to the time of server.Server can be asked according to the clock alignment receiving
Seek the order of accuarcy of host time in bag, instruction software protecting equipment was calibrated to the time in device in several ways.Example
As by including in clock alignment bag server time, instruction software protecting equipment time calibration in device is service
The device time；Or by way of including calibration command in clock alignment bag, indicate the current main frame of software protecting equipment
Time in time calibrating installation.
In this embodiment of the present invention, there is inside software protecting equipment nonvolatile storage space and be available for reading and writing, adopting
In the method for random number information calibration, random number can be saved in its internal eeprom for software protecting equipment.
In the present embodiment, in be mutually matched the method realizing verification using public key and private key, the private key of server end can
To be pre-stored in the encryption device of server end.
Realize in step s3 of the method for the present invention, predetermined time error scope can be 3 minutes.Certainly, developer
It can also be provided that other time range are to meet different user's requests.
Software protecting equipment in the method for the present invention can be encryption lock, such as bluetooth key, usb key etc..
When user is due to due to maloperation or other, host time is arranged backward, during this period software protecting equipment
Under software protection effect, the time in device also can be arranged backward, using the method for the present invention it is provided that giving user
By the approach of correct for software protecting equipment prover time while host time is adjusted back to current orthochronous.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively to the present invention in the essence and protection domain of the present invention
Plant modification or equivalent, this modification or equivalent also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of clock correcting method of software protecting equipment is it is characterised in that methods described includes:
S1, when time predetermined threshold more late than host time in the device of software protecting equipment, client obtains software protection dress
Clock alignment request bag in putting, described clock alignment request bag includes the time in host time and device；
S2, described clock alignment request bag is sent to server by client；
S3, server receives described clock alignment request bag, and compares the host time in described clock alignment request bag and clothes
Whether the difference of the time of business device is in the range of predetermined time error, if it is, execution s4, otherwise returns error message；
S4, clock alignment bag is sent to client by server；
S5, client receives described clock alignment bag and sends it to described software protecting equipment；
S6, described software protecting equipment verifies the legitimacy of described clock alignment bag, if legal, execute s7, otherwise returns
Error message；
S7, the time in described software protecting equipment calibration described device.
2. software protecting equipment according to claim 1 clock correcting method it is characterised in that
Time in calibrating installation in step s7 is specifically, described software protecting equipment time calibration in described device is described
Host time.
3. software protecting equipment according to claim 1 clock correcting method it is characterised in that
Time in calibrating installation in step s7 is specifically, described software protecting equipment time calibration in described device is described
The time of server.
4. software protecting equipment according to claim 1 clock correcting method it is characterised in that
Described clock alignment request bag and described clock alignment bag also include random number, preserve described in described software protecting equipment
Random number in clock alignment request bag, and the legitimacy of described clock alignment bag is verified using this random number.
5. the clock correcting method of software protecting equipment according to claim 1 is it is characterised in that software protecting equipment end
Server end holds the public key being mutually matched and private key respectively, and private key described in described server by utilizing signs and issues described clock alignment
Bag, described software protecting equipment utilizes described public key to verify the legitimacy of described clock alignment bag.
6. the clock correcting method of software protecting equipment according to claim 1 is it is characterised in that described clock alignment please
Ask bag and described clock alignment bag also to include random number, preserve in described clock alignment request bag in described software protecting equipment
Random number, software protecting equipment end server end holds the public key being mutually matched and private key, described server by utilizing institute respectively
State private key and sign and issue described clock alignment bag, when described software protecting equipment utilizes described public key to verify described with the random number preserving
The legitimacy of clock calibration bag.
7. the software protecting equipment according to claim 4 or 6 clock correcting method it is characterised in that
Random number is saved in its internal eeprom described software protecting equipment.
8. the software protecting equipment according to claim 5 or 6 clock correcting method it is characterised in that
The described private key of server end is pre-stored in encryption device.
9. software protecting equipment according to any one of claim 1 to 6 clock correcting method it is characterised in that
Predetermined time error scope in step s3 is 3 minutes.
10. the clock correcting method of software protecting equipment according to any one of claim 1 to 6 is it is characterised in that institute
Stating software protecting equipment is encryption lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755699.1A CN106355051A (en) | 2016-08-29 | 2016-08-29 | Clock calibration method for software protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755699.1A CN106355051A (en) | 2016-08-29 | 2016-08-29 | Clock calibration method for software protection device |
Publications (1)
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| CN106355051A true CN106355051A (en) | 2017-01-25 |
Family
ID=57855960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610755699.1A Pending CN106355051A (en) | 2016-08-29 | 2016-08-29 | Clock calibration method for software protection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108183763A (en) * | 2018-01-17 | 2018-06-19 | 北京深思数盾科技股份有限公司 | A kind of clock correcting method, device and system |
| CN109634353A (en) * | 2018-12-03 | 2019-04-16 | 郑州云海信息技术有限公司 | Server host cascades BOX topological structure clock synchronizing method, device, terminal and storage medium |
| CN110245058A (en) * | 2019-05-10 | 2019-09-17 | 珠海格力电器股份有限公司 | Time changes processing method, device, storage medium, terminal and monitoring system |
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| CN101216870A (en) * | 2007-12-28 | 2008-07-09 | 北京深思洛克数据保护中心 | A method for real time acquisition and remote calibration in software protection device |
| CN101221614A (en) * | 2008-01-23 | 2008-07-16 | 北京深思洛克数据保护中心 | Remote calibration method of real time clock in software protection device |
| CN103927462A (en) * | 2014-03-27 | 2014-07-16 | 北京深思数盾科技有限公司 | Remote true time calibration method for software protection device |
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| US20070012684A1 (en) * | 2005-07-12 | 2007-01-18 | Holtek Semiconductor Inc. | Power control apparatus and method for electric cookers |
| CN101216870A (en) * | 2007-12-28 | 2008-07-09 | 北京深思洛克数据保护中心 | A method for real time acquisition and remote calibration in software protection device |
| CN101221614A (en) * | 2008-01-23 | 2008-07-16 | 北京深思洛克数据保护中心 | Remote calibration method of real time clock in software protection device |
| CN103927462A (en) * | 2014-03-27 | 2014-07-16 | 北京深思数盾科技有限公司 | Remote true time calibration method for software protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183763A (en) * | 2018-01-17 | 2018-06-19 | 北京深思数盾科技股份有限公司 | A kind of clock correcting method, device and system |
| CN108183763B (en) * | 2018-01-17 | 2019-06-14 | 北京深思数盾科技股份有限公司 | A kind of clock correcting method, device and system |
| CN109634353A (en) * | 2018-12-03 | 2019-04-16 | 郑州云海信息技术有限公司 | Server host cascades BOX topological structure clock synchronizing method, device, terminal and storage medium |
| CN110245058A (en) * | 2019-05-10 | 2019-09-17 | 珠海格力电器股份有限公司 | Time changes processing method, device, storage medium, terminal and monitoring system |
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Application publication date: 20170125 |