CN107170470A - A kind of CD-ROM drive and imprinting, read method with hardware encrypting - Google Patents
A kind of CD-ROM drive and imprinting, read method with hardware encrypting Download PDFInfo
- Publication number
- CN107170470A CN107170470A CN201710197817.6A CN201710197817A CN107170470A CN 107170470 A CN107170470 A CN 107170470A CN 201710197817 A CN201710197817 A CN 201710197817A CN 107170470 A CN107170470 A CN 107170470A
- Authority
- CN
- China
- Prior art keywords
- smart card
- rom drive
- fpga
- encryption
- sata
- Prior art date
- 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.)
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00231—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local external medium, e.g. a card
Abstract
The present invention provides a kind of CD-ROM drive and imprinting, read method with hardware encrypting, and CD-ROM drive uses the smart card for needing insertion to write key in advance during encryption function with a smart card slot.During using the CD-ROM drive imprinting, encrypting module in CD-ROM drive is automatically performed the encryption to engraving data according to key, the process is transparent to operating system, extra driver is not needed, it can also prevent destruction of the Virus to ciphering process simultaneously, security can be improved, and simplifies the operating process of user encryption data.
Description
Technical field
The present invention relates to data protection field, more particularly to a kind of CD-ROM drive and imprinting with hardware encrypting, reading
Method.
Background technology
CD-ROM drive is the machine that computer is used for reading and writing laser disc content, is also to compare in desktop computer and notebook portable computer
A common part, as multimedia application is more and more extensive so that CD-ROM drive has become in all multiple accessories of computer
Standard configuration.
In the industry required to security work, CD is a kind of the more commonly used storage medium, is stored in CD
In when having encryption requirements, generally by the way of software cryptography, the file being burned to is encrypted using encryption software,
Then CD is burnt to again.The omission of file is easily caused using this kind of mode, at the same ciphering process be software cryptography, exist by
There is the risk of password leakage usually using password encryption in the risk of rogue program destruction, cipher mode.
The content of the invention
In order to solve the above technical problems, technical scheme is as follows：
In a first aspect, the present invention provides a kind of CD-ROM drive with hardware encrypting, including SATA connectors, encryption and decryption mould
Block, common CD-ROM drive, encryption/decryption module are made up of FPGA, TCM, smart card slot, wherein FPGA respectively with SATA connectors, common
CD-ROM drive, TCM connections, TCM are connected with smart card slot, and smart card slot is used to insert smart card, and the key that encryption and decryption is used is deposited
Storage is connected between smart card, SATA connectors and FPGA by SATA host bus, is passed through between FPGA and common CD-ROM drive
SATA CD-ROM drives bus is connected.
Further, FPGA and TCM can use special SATA encryption chips to replace.
Further, after CD being encrypted using smart card, the smart card with identical key is needed during decryption.
Further, different keys are replaced by changing smart card.
Further, smart card is not inserted into smart card slot if detected, encryption/decryption module is without encryption, solution
Close operation, then drive use as normal light.
Further, the interface of the CD-ROM drive with hardware encrypting is consistent with standard CD-ROM drive.
Second aspect, the present invention provides a kind of method for carrying out imprinting with the CD-ROM drive with hardware encrypting, its feature
It is, comprises the following steps：
SS1：FPGA is responsible for detecting the packet transmitted in SATA host bus, and is written to the progress of the data in CD
Interception, is transferred to TCM and is encrypted；
SS2：TCM reads the key stored in smart card, is encrypted using data of the secret key pair from FPGA, and will
Data after the completion of encryption pass FPGA back；
SS3：FPGA will encrypt the data completed and be delivered to common recording optical driver by SATA CD-ROM drive buses, and final write-in is treated
Imprint CDs.
Further, the step of also including whether inserting smart card in detection smart card slot before step SS1, if
Detect and smart card is not inserted into smart card slot, then encryption/decryption module drives use without cryptographic operation as normal light.
The third aspect, the present invention provides a kind of method being read out with the CD-ROM drive with hardware encrypting, its feature
It is, comprises the following steps：
SS1：Common recording optical driver reads the data on imprinting CDs；
SS2：FPGA is responsible for detecting the packet transmitted in SATA CD-ROM drive buses, and the data read from CD are carried out
Interception, is transferred to TCM and is decrypted；
SS3：TCM reads the key stored in smart card, is decrypted using data of the secret key pair from FPGA, and will
Data after the completion of decryption pass FPGA back, and the smart card with identical key during with encryption is needed to use during decryption；
SS4：FPGA will decrypt the data completed and be delivered to SATA connectors by SATA host bus, be ultimately transferred to master
Machine.
Further, the step of also including whether inserting smart card in detection smart card slot before step SS1, if
Detect and smart card is not inserted into smart card slot, then encryption/decryption module drives use without decryption oprerations as normal light.
Pass through the solution of the present invention, it is possible to use the key in smart card, focus the data in disk automatically and be encrypted, solve
Close operation, encryption process is transparent to operating system, the extra program without installing, and insertion smart card can be to the CD of imprinting
It is encrypted, security can be improved, and simplify the operating process of user encryption data.
Brief description of the drawings
Fig. 1 shows the structured flowchart of CD-ROM drive of the present invention with hardware encrypting.
Fig. 2 is shown with the method flow diagram that CD-ROM drive of the present invention with hardware encrypting carries out imprinting.
Fig. 3 is shown with the method flow diagram that CD-ROM drive of the present invention with hardware encrypting is read out.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
The present invention with the addition of encryption and decryption part on the basis of common recording optical driver.Encryption and decryption part by FPGA (or specially
With chip), TCM, and smart card slot composition.
The CD-ROM drive that the present invention is designed is with a smart card slot, and the key storage that encryption and decryption is used within a smart card, makes
With the smart card for needing insertion to write key in advance during encryption function.
During using the CD-ROM drive imprinting, FPGA is responsible for detecting the packet transmitted in SATA (main frame) bus, and is written to
Data in CD are intercepted, and are transferred to TCM and are encrypted.TCM reads the key stored in smart card, uses the secret key pair
Data from FPGA are encrypted, and pass the data after the completion of encryption back FPGA, and FPGA passes through the data for encrypting completion
SATA (CD-ROM drive) bus is delivered to common recording optical driver, and final write-in is burned to CD.
When being read using the CD-ROM drive, FPGA and TCM carry out opposite operation, will be transferred to after the data deciphering in CD-ROM drive
SATA connectors.Decryption, ciphering process are completed by hardware, and the process is transparent to operating system, it is not necessary to extra driving
Program, can effectively prevent destruction of the Virus to ciphering process.
Fig. 1 shows the structured flowchart of CD-ROM drive of the present invention with hardware encrypting.
As shown in figure 1, the CD-ROM drive with hardware encrypting includes SATA connectors, encryption/decryption module, common CD-ROM drive, plus
Deciphering module is made up of FPGA, TCM (credible password module, Trust Cryptography Module), smart card slot, its
Middle FPGA is connected with SATA connectors, common CD-ROM drive, TCM respectively, and TCM is connected with smart card slot, and smart card slot is used to insert
Enter smart card, the key that encryption and decryption is used is stored in smart card, connected between SATA connectors and FPGA by SATA host bus
Connect, connected between FPGA and common CD-ROM drive by SATA CD-ROM drives bus.
According to one embodiment of the invention, FPGA and TCM can use special SATA encryption chips to replace.
According to one embodiment of the invention, after CD is encrypted using smart card, needed during decryption with identical secret
The smart card of key.
According to one embodiment of the invention, different keys are replaced by changing smart card.
According to one embodiment of the invention, smart card is not inserted into smart card slot if detected, encryption/decryption module
Without encryption, decryption oprerations, then use is driven as normal light.
According to one embodiment of the invention, interface and the standard CD-ROM drive of the CD-ROM drive with hardware encrypting are consistent,
It can apply to any computer platform.
Fig. 2 is shown with the method flow diagram that CD-ROM drive of the present invention with hardware encrypting carries out imprinting.
As shown in Fig. 2 CD-ROM drive carving method comprises the following steps：
SS1：FPGA is responsible for detecting the packet transmitted in SATA host bus, and is written to the progress of the data in CD
Interception, is transferred to TCM and is encrypted；
SS2：TCM reads the key stored in smart card, is encrypted using data of the secret key pair from FPGA, and will
Data after the completion of encryption pass FPGA back；
SS3：FPGA will encrypt the data completed and be delivered to common recording optical driver by SATA CD-ROM drive buses, and final write-in is treated
Imprint CDs.
According to one embodiment of the invention, also include whether inserting intelligence in detection smart card slot before step SS1
The step of card, smart card is not inserted into smart card slot if detected, encryption/decryption module is without cryptographic operation, as general
Thang-kng drives use.
Fig. 3 is shown with the method flow diagram that CD-ROM drive of the present invention with hardware encrypting is read out.
As shown in figure 3, CD-ROM drive read method comprises the following steps：
SS1：Common recording optical driver reads the data on imprinting CDs；
SS2：FPGA is responsible for detecting the packet transmitted in SATA CD-ROM drive buses, and the data read from CD are carried out
Interception, is transferred to TCM and is decrypted；
SS3：TCM reads the key stored in smart card, is decrypted using data of the secret key pair from FPGA, and will
Data after the completion of decryption pass FPGA back, and the smart card with identical key during with encryption is needed to use during decryption；
SS4：FPGA will decrypt the data completed and be delivered to SATA connectors by SATA host bus, be ultimately transferred to master
Machine.
According to one embodiment of the invention, also include whether inserting intelligence in detection smart card slot before step SS1
The step of card, smart card is not inserted into smart card slot if detected, encryption/decryption module is without decryption oprerations, as general
Thang-kng drives use.
The CD-ROM drive with hardware encrypting of the present invention, the CD that can be encrypted with imprinting, the CD of encryption can only be used
The CD-ROM drive of same model is read out, the purposes such as archive, transmission available for private data.
Use the smart card for needing insertion to write key in advance during encryption function.During using the CD-ROM drive imprinting, in CD-ROM drive
Encrypting module is automatically performed the encryption to engraving data according to key, and the process is transparent to operating system, it is not necessary to extra drive
Dynamic program, while can also prevent destruction of the Virus to ciphering process.When being read using the CD-ROM drive, encrypting module is according to encryption
The key used when the automatic ciphertext data of key, imprinting and encryption must be identical.The design can realize different CD-encipherings
The different encryption keys of correspondence, facilitate the management of encryption data CD, can improve security, and simplify the operation of end user.
Whole process is carried out by hardware, transparent to operating system, the software extra without user installation, it is adaptable to any branch
Hold the platform of SATA interface.
The interface of the CD-ROM drive is consistent with standard CD-ROM drive, may be mounted at desktop computer, notebook, all-in-one, server
Etc. polytype computer, USB CD-ROM drives can also be applied to.
Although in terms of having been described for some in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that the description of corresponding piece or project or the feature of corresponding intrument.(or use) can be passed through
Hardware unit such as microprocessor, programmable calculator or electronic circuit etc is some or all of in method and step to perform.
Can be performed by such device in most important method and step some or it is multiple.
The realization can using hardware or using software or can use for example floppy disk, DVD, blue light, CD, ROM,
PROM, EPROM, EEPROM's or flash memory etc there is the stored digital for being stored in electronically readable control signal thereon to be situated between
Matter is performed, and the electronically readable control signal coordinates (or with it can coordinate) to perform with programmable computer system
Corresponding method.The data medium with electronically readable control signal can be provided, the electronically readable control signal can be with
Programmable computer system coordinates to perform approach described herein.
The realization can also use the form of the computer program product with program code, work as computer program product
When running on computers, program code is operated to perform this method.Can in machine-readable carrier storage program generation
Code.
Described above be only it is illustrative, and it is to be understood that it is described herein arrangement and details modification and
Change will be apparent to those skilled in the art.It is therefore intended that only by scope of the following claims rather than by
The specific detail that is presented is limited above description and by way of explaining.
Claims (10)
1. a kind of CD-ROM drive with hardware encrypting, it is characterised in that including SATA connectors, encryption/decryption module, normal light
Drive, encryption/decryption module is made up of FPGA, TCM, smart card slot, wherein FPGA respectively with SATA connectors, common CD-ROM drive, TCM
Connection, TCM is connected with smart card slot, and smart card slot is used to insert smart card, and the key that encryption and decryption is used is stored in intelligence
Card, is connected between SATA connectors and FPGA by SATA host bus, total by SATA CD-ROM drives between FPGA and common CD-ROM drive
Line is connected.
2. the CD-ROM drive according to claim 1 with hardware encrypting, it is characterised in that FPGA and TCM can be used
Special SATA encryption chips are replaced.
3. the CD-ROM drive according to claim 1 with hardware encrypting, it is characterised in that entered using smart card to CD
After row encryption, the smart card with identical key is needed during decryption.
4. the CD-ROM drive according to claim 1 with hardware encrypting, it is characterised in that replaced by changing smart card
Different keys.
5. the CD-ROM drive according to claim 1 with hardware encrypting, it is characterised in that inserted if detecting smart card
Smart card is not inserted into groove, then encryption/decryption module then drives use without encryption, decryption oprerations as normal light.
6. the CD-ROM drive according to claim 1 with hardware encrypting, it is characterised in that with hardware encrypting
The interface of CD-ROM drive is consistent with standard CD-ROM drive.
7. a kind of method for carrying out imprinting with the CD-ROM drive with hardware encrypting of claim 1, it is characterised in that including with
Lower step：
SS1：FPGA is responsible for detecting the packet that transmits in SATA host bus, and is written to the data in CD and is cut
Take, be transferred to TCM and be encrypted；
SS2：TCM reads the key stored in smart card, is encrypted using data of the secret key pair from FPGA, and will encryption
After the completion of data pass FPGA back；
SS3：FPGA will encrypt the data completed and be delivered to common recording optical driver by SATA CD-ROM drive buses, and final write-in is burned to
CD.
8. method according to claim 7, it is characterised in that also include in detection smart card slot before step SS1
The step of whether inserting smart card, is not inserted into smart card, encryption/decryption module is without adding if detected in smart card slot
Close operation, use is driven as normal light.
9. a kind of method being read out with the CD-ROM drive with hardware encrypting of claim 1, it is characterised in that including with
Lower step：
SS1：Common recording optical driver reads the data on imprinting CDs；
SS2：FPGA is responsible for detecting the packet transmitted in SATA CD-ROM drive buses, and the data read from CD are cut
Take, be transferred to TCM and be decrypted；
SS3：TCM reads the key stored in smart card, is decrypted using data of the secret key pair from FPGA, and will decryption
After the completion of data pass FPGA back, needed to use during decryption with encryption when with identical key smart card；
SS4：FPGA will decrypt the data completed and be delivered to SATA connectors by SATA host bus, be ultimately transferred to main frame.
10. method according to claim 9, it is characterised in that also include in detection smart card slot before step SS1
The step of whether inserting smart card, smart card is not inserted into if detected in smart card slot, encryption/decryption module is without solution
Close operation, use is driven as normal light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197817.6A CN107170470A (en) | 2017-03-29 | 2017-03-29 | A kind of CD-ROM drive and imprinting, read method with hardware encrypting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197817.6A CN107170470A (en) | 2017-03-29 | 2017-03-29 | A kind of CD-ROM drive and imprinting, read method with hardware encrypting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107170470A true CN107170470A (en) | 2017-09-15 |
Family
ID=59849249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710197817.6A Pending CN107170470A (en) | 2017-03-29 | 2017-03-29 | A kind of CD-ROM drive and imprinting, read method with hardware encrypting |
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| Country | Link |
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| CN (1) | CN107170470A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491724A (en) * | 2018-03-13 | 2018-09-04 | 山东超越数控电子股份有限公司 | A kind of hardware based computer interface encryption device and method |
| CN108733590A (en) * | 2018-05-22 | 2018-11-02 | 北京国领科技有限公司 | A kind of solid-state CD-ROM system and technology |
| CN108776765A (en) * | 2018-06-11 | 2018-11-09 | 山东超越数控电子股份有限公司 | A kind of hard disk data protection method and device |
| CN114038488A (en) * | 2021-11-02 | 2022-02-11 | 维沃移动通信有限公司 | Method and device for acquiring and playing multimedia information and electronic equipment |
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| US20070098152A1 (en) * | 1999-10-26 | 2007-05-03 | International Business Machines Corporation | Encryption/decryption of stored data using non-accessible, unique encryption key |
| CN102385891A (en) * | 2011-10-28 | 2012-03-21 | 中国人民解放军总参谋部第五十五研究所 | Bright and dense double-channel anti-leakage security burner |
| CN106325775A (en) * | 2016-08-24 | 2017-01-11 | 北京中科开迪软件有限公司 | Optical storage hardware equipment and method for data redundancy/encryption |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070098152A1 (en) * | 1999-10-26 | 2007-05-03 | International Business Machines Corporation | Encryption/decryption of stored data using non-accessible, unique encryption key |
| CN102385891A (en) * | 2011-10-28 | 2012-03-21 | 中国人民解放军总参谋部第五十五研究所 | Bright and dense double-channel anti-leakage security burner |
| CN106325775A (en) * | 2016-08-24 | 2017-01-11 | 北京中科开迪软件有限公司 | Optical storage hardware equipment and method for data redundancy/encryption |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108491724A (en) * | 2018-03-13 | 2018-09-04 | 山东超越数控电子股份有限公司 | A kind of hardware based computer interface encryption device and method |
| CN108733590A (en) * | 2018-05-22 | 2018-11-02 | 北京国领科技有限公司 | A kind of solid-state CD-ROM system and technology |
| CN108776765A (en) * | 2018-06-11 | 2018-11-09 | 山东超越数控电子股份有限公司 | A kind of hard disk data protection method and device |
| CN114038488A (en) * | 2021-11-02 | 2022-02-11 | 维沃移动通信有限公司 | Method and device for acquiring and playing multimedia information and electronic equipment |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |