CN110018977A - Infringement recognition methods, system, terminal and medium based on usb protocol - Google Patents
Infringement recognition methods, system, terminal and medium based on usb protocol Download PDFInfo
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- CN110018977A CN110018977A CN201910211819.5A CN201910211819A CN110018977A CN 110018977 A CN110018977 A CN 110018977A CN 201910211819 A CN201910211819 A CN 201910211819A CN 110018977 A CN110018977 A CN 110018977A
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000001960 triggered effect Effects 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 63
- 230000015654 memory Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 13
- 238000013475 authorization Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000012549 training Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005055 memory storage Effects 0.000 claims description 3
- 238000003795 desorption Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 12
- 239000007787 solid Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 17
- 238000013461 design Methods 0.000 description 12
- 238000007726 management method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
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- 230000037431 insertion Effects 0.000 description 4
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
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- 230000004075 alteration Effects 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
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- 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
Abstract
The present invention provides infringement recognition methods, system, terminal and medium based on usb protocol; the scheme for protecting cognizance code is inserted into Isochronous Timestamp Packets (ITP) the invention proposes one kind; using and USB3.0 protocol depth binding by the way of; intellectual property protection effectively is carried out to the soft core of usb host; when being used in the case that soft core is without permission and be made product; it can be triggered by sending specific sequence by specific equipment into protection recognition mode, carry out soft core infringement identification accordingly.Compared to traditional soft core infringement identification mode, the present invention is easier to protection independent intellectual property right, has higher infringement protection reliability；Compared to solid core infringement identification mode, the present invention also has higher flexibility while taking into account reliability；And compared to stone infringement identification mode, the present invention has higher flexibility.
Description
Technical field
The present invention relates to USB technical field, more particularly to based on usb protocol infringement recognition methods, system, terminal,
And medium.
Background technique
Silicon intellectual property (SIP, Silicon Intellectual Property) refers to one in chip (IC) industry
Kind of predefined, it is verified to may be reused, the module of specific function can be completed.
With the promotion of chip complexity and integrated level, processor, memory, the port I/O and analog circuit are all integrated in
On one silicon wafer, a complete system on chip (SOC, System On Chip) is formed.If SOC product new each time is every
Then a module requires from the beginning to design carries out system combination and verifying again, certainly will will lead to the extension of development cycle, and design
Quality be also difficult to control.Therefore, reuse is pre-designed and authenticated integrated circuit modules (IP) become current industry
Most effective solution.
It is distinguished from design cycle, integrated circuit modules (IP) can be divided into soft core, solid core, stone three types.
About soft core (Soft IP): during logic IC design, IC designer can formulate in the system specification and complete
Afterwards, function needed for system is write out into Method at Register Transfer Level (RTL, Register Transfer using hardware description language
Level program), this RTL file are thus referred to as soft core.Soft core is provided in the form of source code, therefore with higher flexible
Property, it can be modified through user to realize required design of circuit system, and unrelated with concrete implementation technique.But the shortcomings that soft core
It is that independent intellectual property right is not readily available protection, especially for standard agreement IP (such as USB3.0), even if carrying out to code
Encryption, the encrypted code of the same IP still can be repeatedly used in different SOC projects.
About solid core (Firm IP): RTL program passes through simulating, verifying, and after meeting design requirement, designer sets by electronics
It counts automation tools (EDA), from corresponding logic gate is chosen in cell library (Cell Library), RTL file is converted into
Netlist (Netlist) file presented in the form of logic gate, the net meter file, that is, so-called solid core.Gu core is soft core and hard
The compromise of core has higher reliability compared to soft core, has higher flexibility compared to stone, but solid core still can not
Logic Modification is carried out according to the demand of client as soft core.
About stone (Hard IP): net meter file is after verifying, the step of into entity design, first carries out functional group
Block position configuration design (Floor Planning), then be laid out with wires design (Place&Routing), finish entity
Layout and wiring after generated GDSII file, as stone.Technique has been completed and can not have been modified when stone designs, and is used
The stone that family obtains is only product function rather than product design, thus stone design and manufacturer to it carry out full powers control
System, and relative to soft core and solid core, the intellectual property protection of stone is also fairly simple.
USB3.0 is a kind of standard IP being widely used, and takes effective measures and carries out intellectual property protection to it and have become
The research direction expanded is needed for industry, but the current prior art not can solve this technical problem yet.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide the infringement identifications based on usb protocol
Method, system, terminal and medium can not effectively ask the IP technology for carrying out intellectual property protection in the prior art for solving
Topic.
In order to achieve the above objects and other related objects, the present invention provides a kind of infringement recognition methods based on usb protocol,
Applied to USB Devices to test, which comprises receive the trigger signal from USB test equipment and judge the trigger signal
Whether trigger condition is met；If meeting trigger condition, is triggered from normal mode of operation and enter protection recognition mode, issued accordingly
The identification the data whether soft core for analyzing the USB Devices to test encroaches right.
In one embodiment of the invention, the mode for judging whether trigger signal meets trigger condition includes: according to triggering
The number that signal specific occurs in signal judges whether the trigger signal meets trigger condition.
In one embodiment of the invention, which comprises judge in received trigger signal containing specific character
Whether the quantity of TS1 training sequence reaches preset quantity；If reaching preset times, judge that the trigger signal meets triggering item
Part.
In one embodiment of the invention, the mode for judging whether trigger signal meets trigger condition includes: according to triggering
The content of signal judges whether the trigger signal meets trigger condition.
In one embodiment of the invention, which comprises judge in received trigger signal whether to include containing spy
The user for determining content tests link management data packet；If including judging that the trigger signal meets trigger condition.
In one embodiment of the invention, the identification data include in reserve bytes inserted with protection cognizance code
Synchronized timestamp packet；The infringement recognition methods includes: to analyze identification corresponding to protection cognizance code by USB analytical equipment
Information judges whether the USB Devices to test is authorisation device accordingly；Wherein, the identification information includes grantee's title, awards
Weigh the combination of batch, any information in the authorization time or much information.
In one embodiment of the invention, the USB Devices to test is to communicating the USB of connection from device periodically
Send the synchronized timestamp packet inserted with protection cognizance code in reserve bytes；The USB analytical equipment is to be measured from USB
Equipment captures the synchronized timestamp packet from USB from the device.
In one embodiment of the invention, the protection is identified generation by ACSII code conversion by the USB analytical equipment
Code is converted to corresponding identification information.
In one embodiment of the invention, the method also includes the USB Devices to test to be reset or re-power
Recognition mode is protected described in backed off after random.
In order to achieve the above objects and other related objects, the present invention provides a kind of infringement recognition methods based on usb protocol,
Applied to USB analytical equipment, which comprises the identification data that capture USB equipment to be analyzed issues；According to the identification number
According to whether the soft core for analyzing the USB Devices to test encroaches right；Wherein, the USB Devices to test is received from USB test equipment
Trigger signal simultaneously judges whether the trigger signal meets trigger condition, if meeting trigger condition from normal mode of operation trigger into
Enter and protect recognition mode, issues the identification data accordingly.
In order to achieve the above objects and other related objects, the present invention provides a kind of electric terminal, comprising: processor, storage
Device, transceiver；The memory is for storing computer program, and the transceiver with external device communication for connecting；It is described
Processor is used to execute the computer program of the memory storage, so that the terminal executes the infringement recognition methods.
In order to achieve the above objects and other related objects, the present invention provides a kind of computer readable storage medium, deposits thereon
Computer program is contained, which realizes the infringement recognition methods when being executed by processor.
In order to achieve the above objects and other related objects, the present invention provides a kind of infringement identifying system based on usb protocol,
Comprising: USB test equipment, for sending trigger signal to USB Devices to test；USB analytical equipment, for analyzing the USB
Whether the soft core of Devices to test encroaches right；Wherein, whether the trigger signal that the USB Devices to test judgement receives meets triggering item
Part；If satisfied, issuing identification data then so that the USB analytical equipment analyzes whether its soft core encroaches right.
As described above, infringement recognition methods, system, terminal and the medium of the invention based on usb protocol, has following
Protection identification generation is inserted into Isochronous Timestamp Packets (ITP) the utility model has the advantages that the invention proposes one kind
Code scheme, using and USB3.0 protocol depth binding by the way of, effectively to the soft core of usb host carry out intellectual property protection,
When being used in the case that soft core is without permission and be made product, can by by specific equipment send specific sequence from
And trigger and enter protection recognition mode, soft core infringement identification is carried out accordingly.Compared to traditional soft core infringement identification mode, this hair
It is bright to be easier to protection independent intellectual property right, there is higher infringement protection reliability；Compared to solid core infringement identification mode, the present invention
Also there is higher flexibility while taking into account reliability；And compared to stone infringement identification mode, the present invention has higher
Flexibility.
Detailed description of the invention
Fig. 1 is shown as the schematic diagram of the infringement identifying system in one embodiment of the invention based on usb protocol.
Fig. 2 a is shown as the schematic diagram of the format of ITP in one embodiment of the invention.
Fig. 2 b is shown as the schematic diagram of the content of ITP in one embodiment of the invention.
Fig. 3 is shown as in one embodiment of the invention the flow diagram of the infringement recognition methods based on usb protocol.
Fig. 4 is shown as the schematic diagram that user in one embodiment of the invention tests link management data packet.
Fig. 5 is shown as in one embodiment of the invention the flow diagram of the infringement recognition methods based on usb protocol.
Fig. 6 is shown as in one embodiment of the invention the flow diagram of the infringement recognition methods based on usb protocol.
Fig. 7 is shown as the structural schematic diagram of electric terminal in one embodiment of the invention.
Fig. 8 is shown as the structural schematic diagram of electric terminal in one embodiment of the invention.
Component label instructions
The 11 infringement identifying systems based on usb protocol
12 USB test equipments
13 USB analytical equipments
14 USB Devices to test
15 USB are from equipment
71 processors
72 memories
73 transceivers
74 communication interfaces
75 system bus
81 processors
82 memories
83 transceivers
84 communication interfaces
85 system bus
S31~S32 method flow
S51~S53 method flow
S61~S62 method flow
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that with reference to attached drawing, attached drawing describes several embodiments of the application in described below.It should
Understand, other embodiments also can be used, and mechanical group can be carried out without departing substantially from spirit and scope
At, structure, electrical and operational change.Following detailed description should not be considered limiting, and the application
The range of embodiment only limited by the claims for the patent announced.Term used herein is merely to description is specific
Embodiment, and it is not intended to limit the application.The term of space correlation, for example, "upper", "lower", "left", "right", " following ", " under
Side ", " " lower part ", " top ", " top " etc., can use in the text in order to elements or features shown in explanatory diagram with
The relationship of another elements or features.
Furthermore as used in herein, singular " one ", " "one" and "the" are intended to also include plural shape
Formula, unless there is opposite instruction in context.It will be further understood that term "comprising", " comprising " show that there are the spies
Sign, operation, element, component, project, type, and/or group, but it is not excluded for one or more other features, operation, element, group
Presence, appearance or the addition of part, project, type, and/or group.Term "or" and "and/or" used herein are interpreted as including
Property, or mean any one or any combination.Therefore, " A, B or C " or " A, B and/or C " mean " it is following any one:
A；B；C；A and B；A and C；B and C；A, B and C ".Only when the combination of element, functions or operations is inherently mutual under certain modes
When repulsion, it just will appear the exception of this definition.
The present invention provides infringement recognition methods, system, terminal and medium based on usb protocol, is used for
Isochronous Timestamp Packets (ITP), i.e., insertion protection protection cognizance code in synchronized timestamp packet, and base
In the mode bound with USB3.0 protocol depth, intellectual property protection effectively is carried out to the soft core of usb host, works as usb host
When soft core is used in the case where without permission and is made into product, specific sequence can be sent by specific equipment and triggered
Protection protection cognizance code, and identified according to the content of protection protection cognizance code, so that it is determined that whether the soft core of host invades
Power.
The USB is the abbreviation of English Universal Serial Bus (universal serial bus), is an external bus
Standard, for being connected and communicate with for specification computer and external equipment.The plug and play and hot plug function of USB interface holding equipment
Energy.USB standard will be proposed in the end of the year 1994 by Intel, Compaq, IBM, Microsoft Deng Duo company joint, extensive
Applied to the various electronic equipments such as computer, mobile phone, digital camera.
USB standard is specified by USB official organization USB-IF and safeguards, from start successively to have issued so far USB1.1,
Five versions of USB2.0, USB3.0, USB3.1, USB3.2, new version forward compatibility legacy version.The maximum biography that each version is supported
Defeated rate is respectively as follows: USB1.1 and peak transfer rate 12Mbps, USB2.0 is supported to support peak transfer rate 480Mbps,
USB3.0 supports peak transfer rate 5Gbps, USB3.1 that peak transfer rate 10Gbps, USB3.2 is supported to support maximum transmitted speed
Rate 20Gbps.USB3.0 is a kind of standard IP being widely used, and adopting an effective measure and carrying out intellectual property protection to it is ten
It is point necessary, illustrate embodiments of the present invention and realization principle below in conjunction with embodiment.
As shown in Figure 1, showing the schematic diagram of the infringement identifying system based on usb protocol in one embodiment of the invention.It is described
Whether infringement identifying system 11 based on usb protocol for identification encroach right by the soft core of USB Devices to test, and the system comprises USB points
Desorption device 13 and USB test equipment 12.Below with the USB analytical equipment 13 based on USB3.0 agreement, USB test equipment 12, USB
Illustrate realization principle of the invention for Devices to test 14.
The USB Devices to test 14 is periodically attached thereto and to all in work shape in normal mode of operation U0
The USB of state sends Isochronous Timestamp Packets (ITP) from equipment 15 in the form of broadcast, that is, sends and synchronize
Timestamp packet.The USB Devices to test 14 be, for example, usb host (host), USB from equipment 15 be, for example, USB HUB or USB
Device etc..
For ease of description, the present invention illustrates Isochronous Timestamp Packets by taking Fig. 2 a and 2b as an example
(ITP) format and content.The length of Isochronous Timestamp Packets (ITP) is 20 bytes, 4 word therein
Section is stamp packet packet header Framing, and in addition 16 bytes are stamp packet content.Isochronous Timestamp Packets's (ITP)
8th byte to the 12nd byte is reserve bytes, and according to USB3.0 agreement, default is set as zero when reserve bytes are sent, recipient
It is not checked after receiving, therefore carries protection identification information using reserve bytes and will not influence the normal work of USB3.0 equipment.
The USB test equipment 12 is for sending trigger signal to USB Devices to test 14；USB Devices to test 14 is triggered
Enter protection recognition mode from normal mode of operation afterwards, to issue the ITP inserted with protection cognizance code, USB analytical equipment
13 for capturing the ITP inserted with protection cognizance code, and whether the soft core for analyzing USB Devices to test 14 accordingly encroaches right.Under
Face is in conjunction with illustrating how to identify whether the soft core of USB Devices to test 14 encroaches right based on the infringement recognition methods of usb protocol.
As shown in figure 3, showing the flow diagram of the infringement recognition methods in one embodiment of the invention based on usb protocol.
In this present embodiment, the infringement recognition methods based on usb protocol is applied to USB Devices to test, with usb host (host) work
For USB Devices to test, the infringement recognition methods based on usb protocol is specifically included:
S31: it receives the trigger signal from USB test equipment and judges whether the trigger signal meets trigger condition.Tool
Body, it can judge whether the trigger signal meets trigger condition according to the number that signal specific in trigger signal occurs, it can also
Judge whether the trigger signal meets trigger condition according to the content of trigger signal, or may also be combined with specific in trigger signal
The content of number and trigger signal that signal occurs judges that this is not limited by the present invention.
It is described to judge whether the trigger signal meets triggering item and be according to the number of signal specific appearance in trigger signal
Refer to, USB test equipment transmission TS1 training sequence to usb host, and inserted with specific in the reserve bytes of the TS1 training sequence
Character then judges the triggering when the quantity that usb host receives the TS1 training sequence containing specific character reaches preset quantity
Signal meets trigger condition.
Described to judge whether the trigger signal meets trigger condition and refer to according to the content of trigger signal, USB test is set
It is standby to send user's test link management data packet (Vendor Device Test containing specific content in normal mode of operation U0
LinkManagement Packet).For ease of description, showing that user tests link management data packet (Vendor by taking Fig. 4 as an example
DeviceTest Link Management Packet) schematic diagram.User test link management data packet DWORD1 and
Specific information is inserted in DWORD2, after usb host, which receives the user containing the specific information, tests link management data packet,
Just it is triggered from normal mode of operation and enters protection recognition mode.
S32: if meeting trigger condition, enter protection recognition mode from normal mode of operation triggering, issued accordingly for dividing
Analyse the identification the data whether soft core of the USB Devices to test encroaches right.
As described above, usb host is periodically attached thereto and to all in work in normal mode of operation U0
The USB for making state sends Isochronous Timestamp Packets (ITP) from equipment in the form broadcasted, that is, sends same
Walk timestamp packet.Therefore, when the trigger signal that USB test equipment issues meets trigger condition, then usb host is triggered into
It protects recognition mode and issues identification data, the identification data refer in reserve bytes inserted with protection cognizance code
Isochronous Timestamp Packets (ITP) synchronized timestamp packet, so as to effectively to the soft core of usb host into
Row identification and protection.
According to the definition of Isochronous Timestamp Packets (ITP), an Isochronous
There is the space of 5 bytes that can carry protection cognizance code in Timestamp Packets (ITP), therefore the present embodiment is using beauty
State's standard code for information interchange (ASCII, American Standard Code for Information Interchange)
Coding mode, identification information is converted into protection cognizance code.Wherein, the identification information includes grantee's title, awards
Weigh the combination of batch, any information in the authorization time or much information.
Each byte in ITP reserve bytes is for indicating a upper and lower case letter, number or punctuation mark, as USB master
After machine enters protection recognition mode, pass through the reserve bytes in continuous Isochronous Timestamp Packets (ITP)
Middle insertion protects cognizance code to complete the label to usb host.Due to an Isochronous Timestamp Packets
(ITP) the protection cognizance code that can carry most 5 bytes, therefore the present embodiment uses Isochronous Timestamp
9th to the 12nd reserve bytes carry protection cognizance code in Packets (ITP), by identification information it is letter-by-letter be converted to guarantor
It is inserted into continuous ITP reserve bytes after shield cognizance code and periodically sends.
After usb host issues the ITP inserted with protection cognizance code, USB analytical equipment captures what usb host issued
ITP extracts the protection cognizance code of reserve bytes in continuous ITP, and is decoded according to ASCII coding mode, to obtain
Corresponding identification information.The identification information that USB analytical equipment is obtained according to decoding judges whether the usb host is that authorization produces
Product, for example, can proofread the authorization title of the USB3.0, authorization batch etc. information whether with the authorization title in grant column list, authorization
Batch matching；If matching, illustrates that the soft core of the usb host is not encroached right；If mismatching, illustrate the soft core of the usb host for infringement
Product.
In one embodiment, USB analytical equipment can usb host issue inserted with protection cognizance code ITP after and
In USB before equipment reception, just capture is described inserted with the ITP for protecting cognizance code.In another embodiment, USB is analyzed
Equipment can also usb host equipment issue inserted with protection cognizance code ITP after and USB from equipment reception after, from
USB captures the ITP inserted with protection cognizance code from the device.Therefore, USB analytical equipment is based on a variety of acquisition modes,
The stability of ITP data capture can be promoted.
Optionally, the USB analytical equipment is, for example, usb protocol analyzer, and usb protocol analyzer is the analysis of protocol layer
Tool is a kind of test equipment.For high-speed serial bus this for USB, it is far from enough for only carrying out physical layer test
, therefore need special usb protocol analyzer to test USB transport protocol.Usb protocol analyzer is according to standard
Data comprising useful information are extracted and explain the meaning of these data by usb protocol decomposition data.
As shown in figure 5, showing the flow diagram of the infringement recognition methods in one embodiment of the invention based on usb protocol.
In this present embodiment, the infringement recognition methods includes:
S51: it receives the trigger signal from USB test equipment and judges whether the trigger signal meets trigger condition.
S52: if meeting trigger condition, enter protection recognition mode from normal mode of operation triggering, issued accordingly for dividing
Analyse the identification the data whether soft core of the USB Devices to test encroaches right.
S53: the USB Devices to test, which is reset or re-powers, protects recognition mode described in backed off after random, to realize
Mode conversion rapidly and efficiently.Because of the implementation procedure and the implementation procedure class of above step S11~S12 of step S41~S42
Seemingly, so it will not be repeated.
It is worth noting that, the infringement recognition methods provided by the invention based on usb protocol, proposes one kind and exists
The scheme of insertion protection cognizance code in Isochronous Timestamp Packets (ITP), using deep with USB3.0 agreement
The mode of binding is spent, intellectual property protection effectively is carried out to the soft core of usb host, is made in the case that soft core is without permission
With and when being made product, can be triggered into protection recognition mode, accordingly by sending specific sequence by specific equipment
Carry out soft core infringement identification.Compared to traditional soft core infringement identification mode, the present invention is easier to protection independent intellectual property right, has
Higher infringement protection reliability；Compared to solid core infringement identification mode, the present invention also has more while taking into account reliability
High flexibility；And compared to stone infringement identification mode, the present invention has higher flexibility.
As shown in fig. 6, showing the flow diagram of the infringement recognition methods in one embodiment of the invention based on usb protocol.
In this present embodiment, the infringement recognition methods is applied to USB analytical equipment, which comprises
The identification data that S61: capture USB equipment to be analyzed issues.
S62: according to the identification data, whether the soft core for analyzing the USB Devices to test encroaches right；Wherein, the USB is to be measured
Equipment receives the trigger signal from USB test equipment and judges whether the trigger signal meets trigger condition, if meeting triggering
Condition, which is then triggered from normal mode of operation, enters protection recognition mode, issues the identification data accordingly.The USB analytical equipment
For example, usb protocol analyzer, because in the present embodiment be applied to USB analytical equipment infringement recognition methods be above applied to
The infringement recognition methods of USB Devices to test is similar, and so it will not be repeated.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of computer program is crossed to complete.Computer program above-mentioned can store in a computer readable storage medium
In.When being executed, execution includes the steps that above-mentioned each method embodiment to the program；And storage medium above-mentioned include: ROM,
The various media that can store program code such as RAM, magnetic or disk.
As shown in fig. 7, showing the schematic diagram of electric terminal in one embodiment of the invention.The electric terminal includes processor
71, memory 72, transceiver 73, communication interface 74 and system bus 75.The memory 72 and communication interface 74 pass through system
Bus 75 connect with processor 71 and transceiver 73 and completes mutual communication, and memory 72 is used to store computer program,
Communication interface 74 and transceiver 73 are used for and other equipment are communicated, and processor 71 makes electronics for running computer program
Terminal executes each step in step S31~S32 or step S51~S53 as above.
As shown in figure 8, showing the schematic diagram of electric terminal in one embodiment of the invention.The electric terminal includes processor
81, memory 82, transceiver 83, communication interface 84 and system bus 85.The memory 82 and communication interface 84 pass through system
Bus 85 connect with processor 81 and transceiver 83 and completes mutual communication, and memory 82 is used to store computer program,
Communication interface 84 and transceiver 83 are used for and other equipment are communicated, and processor 81 makes electronics for running computer program
Terminal executes each step in step S61~S62 as above.
System bus mentioned above can be Peripheral Component Interconnect standard
(PeripheralPomponentInterconnect, abbreviation PCI) bus or expanding the industrial standard structure (ExtendedIndu
StryStandardArchitecture, abbreviation EISA) bus etc..The system bus can be divided into address bus, data/address bus,
Control bus etc..Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of convenient for indicating
Bus.Communication interface is for realizing between database access device and other equipment (such as client, read-write library and read-only library)
Communication.Memory may include random access memory (RandomAccessMemory, abbreviation RAM), it is also possible to further include
Nonvolatile memory (non-volatilememory), for example, at least a magnetic disk storage.
Above-mentioned processor can be general processor, including central processing unit (CentralProcessingUnit, letter
Claim CPU), network processing unit (NetworkProcessor, abbreviation NP) etc.；It can also be digital signal processor
(DigitalSignalProcessing, abbreviation DSP), specific integrated circuit (ApplicationSpecificIntegrated
Circuit, abbreviation ASIC), field programmable gate array (Field-ProgrammableGateArray, abbreviation FPGA) or
Other programmable logic device, discrete gate or transistor logic, discrete hardware components.
In conclusion the present invention provides infringement recognition methods, system, terminal and medium based on usb protocol, propose
The scheme of one kind insertion protection cognizance code in Isochronous Timestamp Packets (ITP), use and USB3.0
The mode of protocol depth binding, effectively carries out intellectual property protection to the soft core of usb host, when soft core is without permission the case where
It is lower when being used and being made product, it can be triggered by sending specific sequence by specific equipment into protection identification mould
Formula carries out soft core infringement identification accordingly.Compared to traditional soft core infringement identification mode, the present invention is easier to protection independent intellectual and produces
Power has higher infringement protection reliability；Compared to solid core infringement identification mode, the present invention is gone back while taking into account reliability
With higher flexibility；And compared to stone infringement identification mode, the present invention has higher flexibility.So the present invention
It effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (14)
1. a kind of infringement recognition methods based on usb protocol, which is characterized in that be applied to USB Devices to test, the method packet
It includes:
It receives the trigger signal from USB test equipment and judges whether the trigger signal meets trigger condition；
If meeting trigger condition, is triggered from normal mode of operation and enter protection recognition mode, issued waited for for analyzing the USB accordingly
The identification the data whether soft core of measurement equipment encroaches right.
2. the infringement recognition methods according to claim 1 based on usb protocol, which is characterized in that judge that trigger signal is
The no mode for meeting trigger condition includes: to judge whether the trigger signal is full according to the number that signal specific in trigger signal occurs
Sufficient trigger condition.
3. the infringement recognition methods according to claim 2 based on usb protocol characterized by comprising
Judge whether the quantity of the TS1 training sequence in received trigger signal containing specific character reaches preset quantity；
If reaching preset times, judge that the trigger signal meets trigger condition.
4. the infringement recognition methods according to claim 1 based on usb protocol, which is characterized in that judge that trigger signal is
The no mode for meeting trigger condition includes: to judge whether the trigger signal meets triggering item according to the content of trigger signal
Part.
5. the infringement recognition methods according to claim 4 based on usb protocol characterized by comprising
Judge in received trigger signal whether to include that the user containing specific content tests link management data packet；
If including judging that the trigger signal meets trigger condition.
6. the infringement recognition methods according to claim 1 based on usb protocol, which is characterized in that the identification data packet
Include the synchronized timestamp packet inserted with protection cognizance code in reserve bytes；The infringement recognition methods includes: by USB points
Identification information corresponding to desorption device analysis protection cognizance code, judges whether the USB Devices to test is authorisation device accordingly；Its
In, the identification information includes grantee's title, authorization batch, the group of any information in the authorization time or much information
It closes.
7. the infringement recognition methods according to claim 6 based on usb protocol, which is characterized in that the USB Devices to test
The synchronization inserted with protection cognizance code in reserve bytes from device periodically is sent to the USB for communicating connection
Timestamp packet；The USB analytical equipment captures the synchronized timestamp packet from USB Devices to test or from USB from the device.
8. the infringement recognition methods according to claim 6 based on usb protocol, which is characterized in that the USB analytical equipment
The protection cognizance code is converted into corresponding identification information by ACSII code conversion.
9. the infringement recognition methods according to claim 1 based on usb protocol, which is characterized in that the method also includes
The USB Devices to test, which is reset or re-powers, protects recognition mode described in backed off after random.
10. a kind of infringement recognition methods based on usb protocol, which is characterized in that be applied to USB analytical equipment comprising:
Capture the identification data that USB equipment to be analyzed issues；
According to the identification data, whether the soft core for analyzing the USB Devices to test encroaches right；Wherein, the USB Devices to test receives
Trigger signal from USB test equipment simultaneously judges whether the trigger signal meets trigger condition, if meeting trigger condition from
Normal mode of operation triggering enters protection recognition mode, issues the identification data accordingly.
11. a kind of electric terminal characterized by comprising processor, memory, transceiver；
The memory is for storing computer program, and the transceiver with external device communication for connecting；The processor
For executing the computer program of the memory storage, so that the terminal is executed as described in any one of claims 1 to 9
Infringement recognition methods.
12. a kind of electric terminal characterized by comprising processor, memory, transceiver；
The memory is used to execute the computer journey of the memory storage for storing computer program, the processor
Sequence, so that the terminal executes infringement recognition methods as claimed in claim 10.
13. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Infringement recognition methods described in any one of claims 1 to 9 is realized when execution or realizes infringement described in any one of claim 10
Recognition methods.
14. a kind of infringement identifying system based on usb protocol characterized by comprising
USB test equipment, for sending trigger signal to USB Devices to test；
Whether USB analytical equipment, the soft core for analyzing the USB Devices to test encroach right；Wherein, the USB Devices to test is sentenced
Whether the trigger signal that disconnecting receives meets trigger condition；If satisfied, issuing identification data then for the USB analytical equipment point
Analyse whether its soft core encroaches right.
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| CN201910211819.5A CN110018977A (en) | 2019-03-20 | 2019-03-20 | Infringement recognition methods, system, terminal and medium based on usb protocol |
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| CN201910211819.5A CN110018977A (en) | 2019-03-20 | 2019-03-20 | Infringement recognition methods, system, terminal and medium based on usb protocol |
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| CN201910211819.5A Pending CN110018977A (en) | 2019-03-20 | 2019-03-20 | Infringement recognition methods, system, terminal and medium based on usb protocol |
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Application publication date: 20190716 |