CN206961128U - A kind of EMMC encryption chip devices of band ukey certifications - Google Patents
A kind of EMMC encryption chip devices of band ukey certifications Download PDFInfo
- Publication number
- CN206961128U CN206961128U CN201720777180.3U CN201720777180U CN206961128U CN 206961128 U CN206961128 U CN 206961128U CN 201720777180 U CN201720777180 U CN 201720777180U CN 206961128 U CN206961128 U CN 206961128U
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- emmc
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- nfc interface
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- 238000003860 storage Methods 0.000 claims abstract description 13
- 230000014759 maintenance of location Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of EMMC encryption chip devices of band ukey certifications, it is characterized in that, including master controller, enciphering algorithm module, NandF l ash storages, USB KEY modules, EMMC interface module EMMC Interface and NFC interface NFC Interface modules, master controller, enciphering algorithm module, USB KEY, EMMC interface module EMMC Interface and NFC interface NFC Interface modules are all attached by ahb bus, are attached by EMMC interface module EMMC Interface and external host AP by EMMC passages；NFC interface NFC Interface modules connect with NandFlash storages；It is attached by USB KEY modules and user's U-shield.
Description
Technical field
Invention is related to data transmission security field, and more particularly to a kind of data transfer realized based on EMMC interfaces encrypts dress
Put.
Background technology
In the epoch that electronic information high speed is flourishing, people increasingly focus on information security, the model that information security includes in itself
Enclose very greatly, it is big to the military political secret of country, it is small all to be made to enterprise's secret and personal information, any one security breaches
Into information leakage.It is many to transmit the mode of information, information all exists during storage, processing and exchanging and divulges a secret or cut
The possibility received, eavesdrop, distort and forged.Single secrecy provision is generally also difficult to ensure that the safety of communication and information, it is necessary to
The protection of information source, three signal, information links is realized by the various levels of secrecy provision of integrated application.
In EMMC field of storage, people are usually chosen in EMMC master controls and are implanted into encrypting module, realize that the ciphertext of data is deposited
Storage, but the possibility that data are intercepted in transmission channel is still suffered from, larger leaking data risk be present, and can not meet to use
Family special demand.
Utility model content
It is the risk for preventing data to be intercepted in transmission channel the purpose of the utility model for disadvantages described above.
In order to solve problem above the utility model proposes a kind of EMMC encryption chip devices of band ukey certifications, it is special
Sign is to include master controller, enciphering algorithm module, NandFlash storages, USB-KEY modules, EMMC interface modules EMMC
Interface and NFC interface NFC Interface modules, master controller, enciphering algorithm module, USB-KEY, EMMC interface mould
Block EMMC Interface and NFC interface NFC Interface modules are all attached by ahb bus, pass through EMMC interfaces
Module EMMC Interface and external host AP is attached by EMMC passages；NFC interface NFC Interface modules with
NandFlash storage connections；It is attached by USB-KEY modules and user's U-shield.
The utility model improves the security of EMMC data transfers, ensure that the security of EMMC data, has simultaneously
The characteristics of USB-KEY itself compatibility is high, disclosure satisfy that the demand of special user, flexibility greatly improves.
Brief description of the drawings
Fig. 1 is the module diagram of the EMMC encryption chip devices with ukey certifications；
Fig. 2 is to be actually written into operating process schematic diagram；
Fig. 3 is actual read-out operating process schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 is the module diagram of the EMMC encryption chip devices with ukey certifications, the EMMC encryption cores with ukey certifications
Sheet devices, including master controller, enciphering algorithm module, NandFlash storage, USB-KEY modules, EMMC interface modules EMMC
Interface and NFC interface NFC Interface modules, master controller, enciphering algorithm module, USB-KEY, EMMC interface mould
Block EMMC Interface and NFC interface NFC Interface modules are all attached by ahb bus, pass through EMMC interfaces
Module EMMC Interface and external host AP is attached by EMMC passages；NFC interface NFC Interface modules with
NandFlash storage connections；It is attached by USB-KEY and user's U-shield.Wherein master controller performs all kinds of orders, realizes
The management control and corresponding operation of modules；The related datas such as Flash storage storages key, user data；AES
Module is responsible for the encryption to data flow, improves the security of data；USB-KEY modules realize the interactive authentication with user, realize
The management of user；EMMC-Interface realizes the data link with AP main frames.The present invention carries in AES hardware module
On the basis of rising Information Security, by being implanted into the realization of USB-KEY modules and the interactive authentication of user, so as to substantially increase number
According to the security of transmission.
Fig. 2 is to be actually written into operating process schematic diagram；AP main frames propose data write-in demand to EMMC in practical operation.
Before EMMC master controllers carry out data processing, user inputs PIN code by USB-KEY equipment, by caused custom list
Number send to USB-KEY modules.Master controller obtains correct user's sequence number from Flash user data, and carries out specific
Budget is made a summary, while is sent checking to user by USB-KEY and required.After user key is obtained, corresponding computing is carried out
Made a summary, verified with inside summary.After verifying successfully, it is total that data from AP ends are sent to AHB by EMMC interfaces
Line.Data pass through enciphering algorithm module, are sent to NFC interface with ciphertext form, data finally pass through NFC interface circuit by data
Write in Nandflash.
Fig. 3 is actual read-out operating process schematic diagram；AP main frames propose data read-out demand to EMMC.In EMMC main controls
Before device carries out data processing, user inputs PIN code by USB-KEY equipment, and caused custom list number is sent to USB-
KEY modules.Master controller obtains correct user's sequence number from Flash user data, and carries out specific budget and made a summary,
Checking is sent to user by USB-KEY simultaneously to require.After user key is obtained, carry out corresponding computing and made a summary, it is and interior
Portion's summary is verified.After verifying successfully, data are sent to ahb bus by NFC interface.Data pass through AES mould
Block, it will be read out in AP main frames by EMMC interface circuits with ciphertext form.
The above disclosed right model for being only a kind of embodiment of the utility model, sheet can not being limited with this certainly
Enclose, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the utility model
Profit requires made equivalent variations, still falls within the scope that the utility model is covered.
Claims (1)
- A kind of 1. EMMC encryption chip devices of band ukey certifications, it is characterised in that including master controller, enciphering algorithm module, NandFlash storages, USB-KEY modules, EMMC interface module EMMC Interface and NFC interface NFC Interface moulds Block, master controller, enciphering algorithm module, USB-KEY, EMMC interface module EMMC Interface and NFC interface NFC Interface modules are all attached by ahb bus, pass through EMMC interface module EMMC Interface and external host AP It is attached by EMMC passages；NFC interface NFC Interface modules connect with NandFlash storages；Pass through USB-KEY Module is attached with user's U-shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720777180.3U CN206961128U (en) | 2017-06-30 | 2017-06-30 | A kind of EMMC encryption chip devices of band ukey certifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720777180.3U CN206961128U (en) | 2017-06-30 | 2017-06-30 | A kind of EMMC encryption chip devices of band ukey certifications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961128U true CN206961128U (en) | 2018-02-02 |
Family
ID=61385560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720777180.3U Expired - Fee Related CN206961128U (en) | 2017-06-30 | 2017-06-30 | A kind of EMMC encryption chip devices of band ukey certifications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961128U (en) |
-
2017
- 2017-06-30 CN CN201720777180.3U patent/CN206961128U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |