CN205899532U - Credible password card and electronic equipment - Google Patents
Credible password card and electronic equipment Download PDFInfo
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- CN205899532U CN205899532U CN201620533018.2U CN201620533018U CN205899532U CN 205899532 U CN205899532 U CN 205899532U CN 201620533018 U CN201620533018 U CN 201620533018U CN 205899532 U CN205899532 U CN 205899532U
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- lpc
- spi
- trusted cryptography
- pld
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Abstract
The utility model relates to a credible password card and electronic equipment relates to electron technical field, and main aim at is connected credible password subassembly and purley chip. The main technical scheme who adopts does: credible password card includes: a SPI interface, programmable logic device, voltage controlled oscillator, credible password subassembly and LPC interface, voltage controlled oscillator with programmable logic device connects, for programmable logic device provides clock signal, programmable logic device respectively with a SPI interface the communication of LPC interface is connected, and will a SPI interface switches on with LPC interface converting, credible password subassembly with LPC interface connection. Behind the 2nd SPI interface connection with a SPI interface and purley chip, can be the LPC interface with the 2nd SPI interface converting, make credible password subassembly and LPC interface connection to can be with two SPI interface connection of credible password subassembly with the purley chip.
Description
Technical field
This utility model is related to electronic technology field, and more particularly to a kind of trusted cryptography blocks and electronic equipment.
Background technology
Lpc that is to say low pin count, is a kind of new interface specification issued in 1997 by Intel company,
Mainly with replacing traditional isa (industry standard architecture: industrial standard body in computer systems
Architecture) bus.
Purley be Intel release " skylake " framework based on to strong chip, on purley chip, have
One spi (serial peripheral interface) Serial Peripheral Interface (SPI) interface, lpc, spi shared interface；lpc、
Spi shared interface compatible lpc interface and spi interface (during use can only one interface of grafting) simultaneously, overall purley chip
Interface is more succinct.
During realizing this utility model, inventor finds that in prior art, at least there are the following problems:
On existing computer or server, lpc, spi shared interface on purley chip is managed by substrate and controls
Device bmc (baseboard management controller) takies, and result in the tpm safety chip needing using lpc interface
(trusted platform module, reliable platform module) does not have available interface to be connected with purley chip.
Utility model content
In view of this, this utility model provides a kind of trusted cryptography's card and electronic equipment, and main purpose is will be credible close
Code character part is connected with purley chip.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of trusted cryptography's card, comprising:
First spi interface, PLD, voltage controlled oscillator, trusted cryptography's assembly and lpc interface；
Described voltage controlled oscillator is connected with described PLD, provides clock letter for described PLD
Number；
Described PLD is connected with a described spi interface, described lpc interface communication respectively, and will be described
First spi interface is turned on lpc interface conversion；
Described trusted cryptography's assembly is connected with described lpc interface.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Optionally, aforesaid trusted cryptography's card, wherein said trusted cryptography's assembly is that trusted cryptography assembly tcp or credible is close
Code character part tpm2.0.
Optionally, aforesaid trusted cryptography's card, wherein said PLD is pal, gal, cpld or fpga.
Optionally, aforesaid trusted cryptography's card, a wherein said spi interface, described PLD, described pressure
Controlled oscillator, described trusted cryptography's assembly and described lpc Interface integration are on an overall printed circuit board.
On the other hand, embodiment of the present utility model provides a kind of electronic equipment, comprising:
Chip board and trusted cryptography's card；
Trusted cryptography's card includes:
First spi interface, PLD, voltage controlled oscillator, trusted cryptography's assembly and lpc interface；
Described voltage controlled oscillator is connected with described PLD, provides clock letter for described PLD
Number；
Described PLD is connected with a described spi interface, described lpc interface communication respectively, and will be described
First spi interface is turned on lpc interface conversion；
Described trusted cryptography's assembly is connected with described lpc interface；
2nd spi interface and lpc, spi shared interface are had on described chip board；
A described spi interface is connected with described 2nd spi interface.
Another further aspect, embodiment of the present utility model provides a kind of electronic equipment, comprising:
Chip board；
Have on described chip board a spi interface, the 2nd spi interface, PLD, voltage controlled oscillator, can
Letter code component, lpc interface and lpc, spi shared interface；
Described voltage controlled oscillator is connected with described PLD, provides clock letter for described PLD
Number；
Described PLD is connected with a described spi interface, described lpc interface communication respectively, and will be described
First spi interface is turned on lpc interface conversion；
A described spi interface is connected with described 2nd spi interface；
Described trusted cryptography's assembly is connected with described lpc interface.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Optionally, aforesaid electronic equipment, wherein also includes:
Execution servomechanism remote side administration controller bmc, its interface is connected with lpc, spi shared interface.
Optionally, aforesaid electronic equipment, wherein said trusted cryptography's assembly is trusted cryptography assembly tcp or trusted cryptography
Assembly tpm2.0.
Optionally, aforesaid electronic equipment, wherein said PLD is pal, gal, cpld or fpga.
Optionally, aforesaid electronic equipment, wherein said electronic equipment is notebook computer or integral computer.
By technique scheme, trusted cryptography's card that technical solutions of the utility model provide and electronic equipment at least have
Following advantages:
In trusted cryptography's card of this utility model offer and electronic equipment, PLD is connect with a spi respectively
Mouth, lpc interface communication connect, and a spi interface is turned on by PLD with lpc interface conversion, by a spi interface
After being connected with the 2nd spi interface of purley chip, can by the 2nd spi interface conversion be lpc interface, make trusted cryptography's assembly with
Lpc interface connects, thus can be connected trusted cryptography's assembly with the 2nd spi interface of purley chip.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Brief description
By reading the detailed description of hereafter preferred implementation, various other advantages and benefit are common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as to this practicality
New restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings:
Fig. 1 is a kind of local electric connection structure schematic diagram of trusted cryptography's card that embodiment one of the present utility model provides；
Fig. 2 is a kind of structural representation of trusted cryptography's card that embodiment one of the present utility model provides；
Fig. 3 is the structural representation of another kind of trusted cryptography's card that embodiment one of the present utility model provides；
Fig. 4 is the structural representation of a kind of electronic equipment that embodiment two of the present utility model provides；
Fig. 5 is the structural representation of a kind of electronic equipment that embodiment three of the present utility model provides.
Specific embodiment
For further illustrating that this utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes trusted cryptography's card and electronic equipment its be embodied as
Mode, structure, feature and its effect, after describing in detail such as.In the following description, different " embodiment " or " embodiment " refers to
Be not necessarily same embodiment.Additionally, special characteristic in one or more embodiments, structure or feature can be by any suitable
Form combines.
Embodiment one
As depicted in figs. 1 and 2, a kind of trusted cryptography's card 110 that an embodiment of the present utility model proposes, can be with electronics
The 2nd spi interface on device interior purley chip connects, and trusted cryptography's card 110 includes: a spi interface 111, programmable
Logical device 112, voltage controlled oscillator voc (voltage controlled oscillator) 113, trusted cryptography's assembly 114 with
And lpc interface 115；Described voltage controlled oscillator 113 is connected with described PLD 112, and described voltage controlled oscillator 113 is
Described PLD 112 provides clock signal；Described PLD 112 respectively with a described spi interface
111st, described lpc interface 115 communication connects, and a described spi interface 111 is changed conducting with lpc interface 115；Described can
Letter code component 114 is connected with described lpc interface 115.
It should be understood that PLD has programmable feature, this provides for conversion between distinct interface
Hardware supported.
Because PLD the spi interface on trusted cryptography's card is turned on lpc interface conversion, in assembling,
The spi interface that trusted cryptography is blocked is connected with the 2nd spi interface of purley chip, you can realize trusted cryptography's assembly
It is connected with purley chip communication.
Trusted cryptography's card that this utility model provides, PLD is led to a spi interface, lpc interface respectively
News connect, and a spi interface is turned on by PLD with lpc interface conversion, by a spi interface and purley chip
The 2nd spi interface connect after, can by the 2nd spi interface conversion be lpc interface, so that trusted cryptography's assembly is connected with lpc interface,
Thus trusted cryptography's assembly can be connected with the 2nd spi interface of purley chip.
Trusted cryptography's assembly mainly includes two types, and a type of trusted cryptography's assembly is the tpm of global main flow
Safety chip (trusted platform module, reliable platform module), it is the safety chip meeting tpm standard, it
Computer can effectively be protected, prevent unauthorized users to access；Another type of trusted cryptography's assembly is with tcm safety chip
(trust cryptography module, credible password module/assembly) is core.Wherein, tcm safety chip and tpm safety
Unlike chip, the credible password module standard of tcm is mainly reflected on the autonomy-oriented on cryptographic algorithm, employs domestic adding
Close algorithm.Specifically, this utility model provide an embodiment in, described trusted cryptography's assembly be trusted cryptography assembly tcp or
Trusted cryptography assembly tpm2.0.Wherein, the technology of tpm 1.2 Normalization rule is out-of-date, built-in hardware encryption safe algorithm
It is rsa-2048 and sha-1, the latter has been considered to unsafe.And tpm 2.0 will not be used the algorithm that these fall behind,
Except can be in addition to neatly various symmetrical using sha-2, hmac, ecc and aes etc. and asymmet-ric encryption method, tpm 2.0 be also
Other new AESs can be supported by updating.
PLD specifically has multiple, and in this utility model embodiment, PLD can be selected for pal
(programmable array logic) programmable array logic devices, gal (generic array logic) general array
Logical device, cpld (complex programmable logic device) CPLD, fpga (field
Programmable gate array) FPGA etc..Wherein, fpga provide highest logic density,
Characteristic the abundantest and highest performance.Part of devices in now up-to-date fpga device, such as xilinx virtex series,
8,000,000 " system doors " (opposite logical density) can be provided.These advanced devices also provide such as built-in hard wired processor
The characteristic such as (as ibm power pc), mass storage, Clock management system, and support multiple up-to-date supper-fast devices extremely
Device (device-to-device) signalling technique.Fpga is applied in application in extensive range, from data processing and storage,
And to instrument and meter, telecommunications and Digital Signal Processing etc..Preferably can be selected for fpga.
In the middle of specific enforcement, for the space requirement of distinct electronic apparatuses, trusted cryptography's card can make different knots
Configuration formula, specifically can adopt following embodiments:
As shown in Fig. 2 one kind is entirety concentrating on a circuit board: i.e., above-mentioned trusted cryptography blocks, wherein said first
Spi interface 111, described PLD 112, described voltage controlled oscillator 113, described trusted cryptography's assembly 114 and institute
State lpc interface 115 to be integrated on an overall printed circuit board.In use, insert overall for trusted cryptography's card towards the 2nd spi interface
Connect.
As shown in figure 3, another kind be can relative motion structure: i.e., above-mentioned trusted cryptography's card, wherein said programmable
It is whole that logical device 112, described voltage controlled oscillator 113, described trusted cryptography's assembly 114 and described lpc interface 115 are integrated in one
On body printed circuit board.A described spi interface 111 is passed through data wire and is connected with the communication of described PLD 112.Make
With in, after a spi interface is connected with the 2nd spi interface, can by printed circuit board be placed in casting of electronic device appoint
In meaning idle space, it is easy to place, specifically can be fixed by modes such as draw-in groove or bolts.
Embodiment two
As shown in figure 4, embodiment of the present utility model provides a kind of electronic equipment, such as notebook computer, desk computer
Or integral computer, comprising: chip board 120 and trusted cryptography's card 110；Trusted cryptography's card 110 includes: a spi interface
111st, PLD, voltage controlled oscillator, trusted cryptography's assembly and lpc interface；Described voltage controlled oscillator with described can
Programmed logic device connects, and provides clock signal for described PLD；Described PLD respectively with institute
State a spi interface 111, described lpc interface communication connects, and a described spi111 interface is turned on lpc interface conversion；
Described trusted cryptography's assembly is connected with described lpc interface；Have on described chip board 120 the 2nd spi interface 121 and lpc,
Spi shared interface 122；A described spi interface 111 is connected with described 2nd spi interface 121.
Specifically, described in the present embodiment two trusted cryptography card can directly adopt above-described embodiment one provide described can
Letter cipher card, concrete implementation structure can be found in the related content described in above-described embodiment one, and here is omitted.
Specifically, chip board can be purley chip.
In the electronic equipment that this utility model provides, chip board and trusted cryptography block for the removable assembling structure of split, can compile
Journey logical device is connected with a spi interface, lpc interface communication respectively, and PLD is by a spi interface and lpc
Interface conversion turns on, after a spi interface is connected with the 2nd spi interface of purley chip, can be by the 2nd spi interface conversion
For lpc interface, trusted cryptography's assembly is made to be connected with lpc interface, thus can be by trusted cryptography's assembly and the second of purley chip
Spi interface connects.
Embodiment three
As shown in figure 5, embodiment of the present utility model provides a kind of electronic equipment, such as notebook computer, desk computer
Or integral computer, comprising: chip board；First spi interface 211, the 2nd spi interface 221, programmable is had on described chip board
Logical device 212, voltage controlled oscillator 213, trusted cryptography's assembly 214, lpc interface 215 and lpc, spi shared interface 222；Institute
State voltage controlled oscillator 213 to be connected with described PLD 212, described voltage controlled oscillator 213 is described FPGA
Device 212 provides clock signal；Described PLD 212 respectively with a described spi interface 211, described lpc interface
214 communications connect, and a described spi interface 211 is changed conducting with lpc interface 214；A described spi interface 211 and institute
State the 2nd spi interface 221 to connect；Described trusted cryptography's assembly 214 is connected with described lpc interface 214.Trusted cryptography's assembly can collect
Become on chip board.
In the electronic equipment that this utility model provides, PLD is led to a spi interface, lpc interface respectively
News connect, and a spi interface is turned on by PLD with lpc interface conversion, by a spi interface and purley chip
The 2nd spi interface connect after, can by the 2nd spi interface conversion be lpc interface, so that trusted cryptography's assembly is connected with lpc interface,
Thus trusted cryptography's assembly can be connected with the 2nd spi interface of chip board.
Specifically, above-mentioned electronic equipment, wherein also includes: execution servomechanism remote side administration controller bmc, executes servo
Device remote side administration control unit interface is connected with lpc, spi shared interface.
Specifically, this utility model provide an embodiment in, described trusted cryptography's assembly be trusted cryptography assembly tcp or
Trusted cryptography assembly tpm2.0.Wherein, the technology of tpm 1.2 Normalization rule is out-of-date, built-in hardware encryption safe algorithm
It is rsa-2048 and sha-1, the latter has been considered to unsafe.And tpm 2.0 will not be used the algorithm that these fall behind,
Except can be in addition to neatly various symmetrical using sha-2, hmac, ecc and aes etc. and asymmet-ric encryption method, tpm 2.0 be also
Other new AESs can be supported by updating.
PLD specifically has multiple, and in this utility model embodiment, PLD can be selected for pal
(programmable array logic) programmable array logic devices, gal (generic array logic) general array
Logical device, cpld (complex programmable logic device) CPLD, fpga (field
Programmable gate array) FPGA etc..Wherein, fpga provide highest logic density,
Characteristic the abundantest and highest performance.Part of devices in now up-to-date fpga device, such as xilinx virtex series,
8,000,000 " system doors " (opposite logical density) can be provided.These advanced devices also provide such as built-in hard wired processor
The characteristic such as (as ibm power pc), mass storage, Clock management system, and support multiple up-to-date supper-fast devices extremely
Device (device-to-device) signalling technique.Fpga is applied in application in extensive range, from data processing and storage,
And to instrument and meter, telecommunications and Digital Signal Processing etc..Preferably can be selected for fpga.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiment.
It is understood that the correlated characteristic in said apparatus can mutually reference.In addition, in above-described embodiment " the
One ", " second " etc. is for distinguishing each embodiment, and does not represent the quality of each embodiment.
In description mentioned herein, illustrate a large amount of details.It is to be appreciated, however, that it is of the present utility model
Embodiment can be put into practice in the case of not having these details.In some instances, known structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly it will be appreciated that in order to simplify the disclosure and help understand one of each utility model aspect or many
Individual, in the description to exemplary embodiment of the present utility model above, each feature of the present utility model is divided sometimes together
Group is in single embodiment, figure or descriptions thereof.However, the device of the disclosure should be construed to reflect following meaning
Figure: i.e. this utility model required for protection requires more features than the feature being expressly recited in each claim.
More precisely, as the following claims reflect, utility model aspect is single less than disclosed above
All features of embodiment.Therefore, it then follows claims of specific embodiment are thus expressly incorporated in this specific embodiment party
Formula, wherein each claim itself is as separate embodiments of the present utility model.
Those skilled in the art are appreciated that and the part in the device in embodiment can be carried out adaptively
Change and they are arranged in one or more devices different from this embodiment.Can be the unit construction in embodiment
Become a part, and multiple subassemblies can be divided in addition.Except at least some of such feature is mutual
Outside repulsion, can be using any combinations to the institute disclosed in this specification (including adjoint claim, summary and accompanying drawing)
Feature and all parts of so disclosed any device are had to be combined.Unless expressly stated otherwise, this specification (includes
Adjoint claim, summary and accompanying drawing) disclosed in each feature can be by the replacement providing identical, equivalent or similar purpose
Feature is replacing.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of different embodiment means to be in this practicality newly
Within the scope of type and form different embodiments.For example, in the following claims, embodiment required for protection
One of arbitrarily can in any combination mode using.All parts embodiment of the present utility model can be real with hardware
Existing, or realized with combinations thereof.
It should be noted that above-described embodiment illustrates rather than to this utility model limiting to this utility model,
And those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In right
In requirement, any reference markss between bracket should not be configured to limitations on claims.Word "comprising" is not arranged
Remove and there is part not listed in the claims or assembly.Word "a" or "an" before part or assembly is not excluded for
There is multiple such parts or assembly.This utility model can be realized by means of the device including some difference parts.
If in the claim listing dry part, several in these parts can be Lai concrete body by same part item
Existing.The use of word first, second grade does not indicate that any order.These words can be construed to title.
The above, be only preferred embodiment of the present utility model, not this utility model is made any formal
Restriction, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model,
All still fall within the range of technical solutions of the utility model.
Claims (10)
1. a kind of trusted cryptography's card is it is characterised in that include:
First spi interface, PLD, voltage controlled oscillator, trusted cryptography's assembly and lpc interface；
Described voltage controlled oscillator is connected with described PLD, provides clock signal for described PLD；
Described PLD is connected with a described spi interface, described lpc interface communication respectively, and by described first
Spi interface is turned on lpc interface conversion；
Described trusted cryptography's assembly is connected with described lpc interface.
2. trusted cryptography according to claim 1 card it is characterised in that
Described trusted cryptography's assembly is trusted cryptography assembly tcp or trusted cryptography assembly tpm2.0.
3. trusted cryptography according to claim 1 card it is characterised in that
Described PLD is pal, gal, cpld or fpga.
4. trusted cryptography according to claim 1 card it is characterised in that
A described spi interface, described PLD, described voltage controlled oscillator, described trusted cryptography's assembly and institute
State lpc Interface integration on an overall printed circuit board.
5. a kind of electronic equipment is it is characterised in that include:
Arbitrary described trusted cryptography's card in chip board and the claims 1-4；
2nd spi interface and lpc, spi shared interface are had on described chip board；
A described spi interface is connected with described 2nd spi interface.
6. a kind of electronic equipment is it is characterised in that include:
Chip board；
First spi interface, the 2nd spi interface, PLD, voltage controlled oscillator, credible close is had on described chip board
Code character part, lpc interface and lpc, spi shared interface；
Described voltage controlled oscillator is connected with described PLD, provides clock signal for described PLD；
Described PLD is connected with a described spi interface, described lpc interface communication respectively, and by described first
Spi interface is turned on lpc interface conversion；
A described spi interface is connected with described 2nd spi interface；
Described trusted cryptography's assembly is connected with described lpc interface.
7. electronic equipment according to claim 6 is it is characterised in that also include:
Execution servomechanism remote side administration controller bmc, its interface is connected with lpc, spi shared interface.
8. electronic equipment according to claim 6 it is characterised in that
Described trusted cryptography's assembly is trusted cryptography assembly tcp or trusted cryptography assembly tpm2.0.
9. electronic equipment according to claim 6 it is characterised in that
Described PLD is pal, gal, cpld or fpga.
10. electronic equipment according to claim 6 it is characterised in that
Described electronic equipment is notebook computer or integral computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533018.2U CN205899532U (en) | 2016-06-02 | 2016-06-02 | Credible password card and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533018.2U CN205899532U (en) | 2016-06-02 | 2016-06-02 | Credible password card and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899532U true CN205899532U (en) | 2017-01-18 |
Family
ID=57767009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620533018.2U Active CN205899532U (en) | 2016-06-02 | 2016-06-02 | Credible password card and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899532U (en) |
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2016
- 2016-06-02 CN CN201620533018.2U patent/CN205899532U/en active Active
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