CN102385891B - Bright and dense double-channel anti-leakage security burner - Google Patents
Bright and dense double-channel anti-leakage security burner Download PDFInfo
- Publication number
- CN102385891B CN102385891B CN201110335353.3A CN201110335353A CN102385891B CN 102385891 B CN102385891 B CN 102385891B CN 201110335353 A CN201110335353 A CN 201110335353A CN 102385891 B CN102385891 B CN 102385891B
- Authority
- CN
- China
- Prior art keywords
- data
- writer
- imprinting
- control processor
- deciphering
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 9
- 238000007726 management method Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012550 audit Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 101150115538 nero gene Proteins 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical compound CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention relates to a bright and dense double-channel anti-leakage security burner. The burner comprises a hardware encryption/decryption member and a disc-carving member, wherein the hardware encryption/decryption member further comprises FPGA (Field Programmable Gate Array) chips, a control processor and a serial flash configuration chip; the FPGA chips are connected with a computer, the control processor, the serial flash configuration chip and an ordinary SATA (Serial Advanced Technology Attachment) port burner and are used for encrypting/decrypting data which enters into the chips; the control processor is used for judging whether a data stream which enters into the hardware encryption/decryption member needs to be encrypted/decrypted; if the data stream is ordinary data without a need of encryption/decryption, the control processor is used for directly sending plaintext data to the ordinary SATA port burner to be burned or sending the plaintext data to the computer for data reading; and if the data stream is confidential data needing to be encrypted, the control processor is used for sending the confidential data into a plurality of the FPGA chips for the encryption/decryption; and the serial flash configuration chip is used for initially configuring the FPGA chips. With the adoption of the burner, the security of burnt information can be effectively ensured.
Description
Technical field
The present invention relates to CD writer, be specifically related to a kind of anti-leakage security burner CD writer that can ensure information security.
Background technology
Generally the CD writer of application is mainly two classes at present, and a class is the normal optical disk CD writer that data are not encrypted; Another kind of is data to be carried out to the safe CD writer of software cryptography.
Wherein, the normal optical disk recording device of main application does not possess data encryption feature, can only realize the direct imprinting of data and read, if use common CD writer to scribe classified information, once CD is lost, will cause the secret leaking of information.
Existing safe CD writer adopts the mode of software cryptography mostly in the market.Software cryptography refers to and does not rely on special hardware to realize the resist technology to data such as software, music, films.The maximum bright spot of soft encryption is extremely low encryption cost, only need to data, be encrypted by encryption software, without metal negative is carried out to hardware encipher, just can reach the object of protection data of optical disk.Software cryptography means mainly contain three kinds: cipher code method, computer hardware check addition and key floppy disc method.The method of software cryptography is fairly simple, implement both economical, but the intrinsic deficiency of software cryptography itself makes it be difficult to be applied to the field that needs advanced security and big data quantity to encrypt.Mainly contain following three kinds of reasons: the mode that 1) software cryptography generally adopts user name to add password is carried out identification, the drive software that confirms password is generally stored on CD in order to calling, general user's name and password are not very long, easily by conjecture to or by Brute Force, therefore, once CD-enciphering is lost, by some softwares, process and relatively easily obtain enciphered message.Meanwhile, during software cryptography, user's key or password are to be input in encryption software and to go in mode expressly, and encrypting and decrypting algorithm all will move in the machine internal memory, are easy to be subject to the tracing and monitoring of trojan horse program or other people stealing.Although so but the convenient and simple poor stability of software cryptography, encrypt file is easily cracked, and is unsuitable for the application scenario that security requirements is higher.2) all implementations of software cryptography all complete by CPU operating instruction.
Because the operation of each instruction will take processing time of CPU, serious occupying system resources during with software cryptography heap file, directly causes system resource anxiety, affects work efficiency.3) encryption software is all to depend on certain operating system, and this transplanting for system causes certain difficulty.
The present invention is directed to the problem that cannot protect preferably concerning security matters imprinting information that current common CD writer and software cryptography CD writer exist; a kind of feasible, safe hardware encipher imprinting scheme has been proposed; realize the bright close binary channels imprinting of CD; when effectively guaranteeing the high security of classified information cryptographic means, also played the effect of CD camouflage.Hardware encipher is between host side and optical disk medium, to add a hardware encryption module, cryptographic algorithm is moved completely in this hardware encryption module, simultaneously, host side is required to have authentication, accomplish the isolation completely of enciphered data and main frame, so long as not authentication identifier, encrypting module, CD media, all reveal, be difficult to the enciphered data that is cracked.Meanwhile, during hardware encipher, can carry out special transformation (changing the true path of deposit data, the hiding main catalogue of CD or file) to the information of imprinting CDs, to reach protected data, prevent the object copying.Meanwhile, the present invention considers the backwards compatibility of product, has adopted two kinds of Peripheral Interfaces of USB2.0 and SATA2.0.On the portable equipments such as notebook, use USB2.0 interface; On the desktop computer of having relatively high expectations in confidentiality, adopt SATA2.0 interface.Can meet preferably the current and following designing requirement of safe CD writer.
Summary of the invention
In order to overcome the above-mentioned defect of prior art, the present invention starts with from software and hardware two aspects, utilize the design of high speed multi-layer PCB, exploitation, the certificate of design, high-speed hardware encryption and decryption technology, SATA2.0 agreement, USB2.0 agreement, system bottom driver and the servo-drive system of large capacity FPGA distribute and the technology such as the management of database, upper strata imprinting software program development, a kind of ciphering type CD writer for bright, the close binary channels data of imprinting is provided.
Bright close double-channel anti-leakage security burner CD writer of the present invention, comprise hardware enciphering/deciphering parts and imprinting parts, wherein hardware enciphering/deciphering parts further comprise: fpga chip, be connected with computing machine, control processor, serial flash configuring chip and common SATA interface CD writer, for carrying out enciphering/deciphering processing to entering the data of this chip; Control processor, for judging whether to carry out enciphering/deciphering processing to entering the data stream of hardware enciphering/deciphering parts, if the physical data without enciphering/deciphering, directly clear data being delivered to common SATA interface CD writer carries out imprinting or delivers to computing machine and carry out data and read, if need the confidential data of encrypting, delivered to several fpga chips and carry out enciphering/deciphering processing; Serial flash configuring chip, for carrying out initial configuration to fpga chip.
Utilize CD writer of the present invention, reach the object that the particular profile on CD is left in effective protection in, guarantee security and the disguise of optical disc information, for the protection of important information provides a kind of effective way.Safe CD writer software and hardware system, can dock with desktop computer SATA2.0 interface or notebook computer USB2.0 interface.
Accompanying drawing explanation
Fig. 1 is the general principles figure of the safe CD writer of the present invention;
Fig. 2 is the present invention's zoned format schematic diagram of imprinting CDs;
Fig. 3 is the structured flowchart of safe CD writer of the present invention;
Fig. 4 is the fundamental diagram of the safe CD writer of the present invention;
Fig. 5 is the imprinting of safe CD writer and reads process flow diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the general principles figure of the safe CD writer of the present invention.This safe CD writer mainly comprises hardware enciphering and deciphering parts and imprinting parts.Wherein, imprinting and reading software operation are on computers, safe CD writer provides SATA2.0/USB2.0 translation interface to upper (computing machine), to under (imprinting parts) SATA2.0 translation interface is provided, the enciphering and deciphering algorithm of data and authentication etc. will move completely in hardware enciphering and deciphering parts.
Fig. 3 is the structured flowchart of safe CD writer of the present invention.With reference to Fig. 3, safe CD writer comprises, hardware enciphering/deciphering parts and imprinting parts, wherein, hardware enciphering/deciphering parts mainly realize that SATA and USB interface are controlled, the storage of certificate and the checking of identity, the control of encryption and decryption data stream, processing and the operation of enciphering and deciphering algorithm, the functions such as startup of tearing shell testing circuit open, process in real time and respond all affairs of safe CD writer, imprinting parts are in the preferred common SATA interface of the present invention CD writer.
Hardware enciphering/deciphering parts further comprise fpga chip, control processor, serial flash configuring chip, tear shell testing circuit, cert store, noise source generator and power supply and Clock management parts composition open.Wherein fpga chip is connected with computing machine (can be notebook or desktop computer), control processor, serial flash configuring chip and common SATA interface CD writer, control processor with tear shell testing circuit, cert store, noise source generator open and be connected.Other all parts of power supply and Clock management parts and CD writer are connected, and realize the power supply of miscellaneous part and Clock management.
Fpga chip further comprises again USB/SATA control module and SATA control module, data enciphering/deciphering unit.Fpga chip is connected with computing machine by USB/SATA control module, by SATA control module, is connected with common SATA interface CD writer.USB/SATA control module is for going here and there and change entering the data stream of hardware enciphering/deciphering parts.
Serial flash configuring chip, at the beginning of equipment operation, first carries out initial configuration to fpga chip.When data stream enters hardware enciphering/deciphering parts, first through SATA/USB controller, go here and there and change.
Control processor judges whether to carry out enciphering/deciphering processing to going here and there through SATA/USB controller and changing data stream afterwards, if without the physical data of enciphering/deciphering, directly clear data is delivered to CD writer and carried out imprinting or deliver to computing machine and carry out data and read.If need the confidential data of encrypting, control processor notice noise source generator produces 256 random numbers, and generated data encryption key obtains take over party's PKI from cert store simultaneously.
Ciphering unit in data enciphering/deciphering unit carries out hardware encipher processing by the data that the data encryption key of above-mentioned generation is encrypted needs in FPGA, for example, use symmetric cryptographic algorithm, generates encrypting traffic; With take over party's PKI, data encryption key is carried out to rivest, shamir, adelman simultaneously and be encrypted, realize the protection of encryption key; Finally by encrypting traffic with together with key after encrypting, through SATA interface conversion, be sent to imprinting parts (being common SATA interface CD writer) and carry out ciphertext imprinting.
Take over party's private key that decryption unit in data enciphering/deciphering unit utilizes control processor to obtain from cert store, carries out asymmetric cryptographic algorithm and solves data encryption key; With this data encryption key, use symmetric cryptographic algorithm to solve required clear data again; USB or the SATA interface conversion of finally clear data after deciphering being flowed through delivered to computing machine.
Tear shell testing circuit open, when safe CD writer is stolen or loss, for tearing the process of shell open, control processor receives the shell information of tearing open of tearing shell testing circuit feedback open, will start self-destroying function, and critical data is damaged, and prevents from cracking enciphered data.
Fig. 4 is the fundamental diagram of the safe CD writer of the present invention.Fig. 5 is the imprinting of safe CD writer and reads process flow diagram.With reference to Fig. 4 and Fig. 5, move on computers after imprinting software, in the time of need to opening encryption burning equipment, the CD writer equipment by user's PIN code authentication mode and access connects, and after authentication success, can open recording device.Before each recording device starts, all important affair is first carried out PIN code authentication, to determine imprinting and to read authority.
As shown in Figure 2, while scribing CD, first by the person of scribing, specify the particular profile of wanting imprinting and the physical data that is used as camouflage.For example, confidential document is particular profile, and available novel text is as the physical data of camouflage use.Imprinting software is the storage space of statistics file on this basis, and records the start address of the bright ciphertext of its corresponding CD, divides non-encrypted area and encrypted area, and foregoing novel text is carved into non-encrypted area, and confidential document is carved into encrypted area.So just realized the bright close binary channels imprinting of CD, expressly imprinting mode is identical with common recording mode, and ciphertext adopts the designed hardware encipher imprinting mode of the present invention.This just makes CD can only read novel text in common CD writer, looks like a normal optical disk, has realized camouflage, only in CD writer of the present invention, just can read encrypted area data.
Imprinting software is first processed the general data of non-encrypted area, produces the ISO9660 compact disk file system of a standard, and the necessary information that comprises this imprinting information is provided.This CD writer is carried out transparent transmission to data, and its relevant control information is write to optical disc information district, then by the data of the camouflage CD non-encrypted area of writing direct.
Finally, imprinting software is processed data to be encrypted, and notice CD writer log-on data encryption/decryption element, carries out hardware-level data symmetric cryptography (AES 256) to data.Encryption key K1 is that 256 pseudo-random codes and the take over party's PKI digital certificate that noise source produces carries out 256 binary codes that functional operation obtains, guaranteed one-time pad, then used public-key cryptography K2 (1024) in take over party's PKI digital certificate to carry out rivest, shamir, adelman (RSA Algorithm) to data encryption key to be encrypted.During each CD-enciphering, preferably select different non-encrypted data (the easiest method: increase or reduce file, also can select alternative document) to pretend.
In CD object, recipient receives after CD, while reading CD, after user right authentication is passed through, by selecting the digital certificate rank adopting and the bright close regional address of reading, tell slave computer CD writer control processor, for the data transparent transmission in address, area pellucida, and to the data in close regional address, first from keeper UK, import private key digital certificate to obtain private cipher key K3, with K3 (1024), the data key after encrypting is decrypted to computing (RSA Algorithm), obtain data decryption key K1, finally utilizing K1 just can carry out hardware-level data deciphering (AES 256) to encrypted area data obtains expressly.
Read CD, must use the safe CD writer of a model of the same race and supporting reading software, otherwise can only read the physical data of non-encrypted area.
The special-purpose imprinting that the groundwork of the imprinting software that safe CD writer of the present invention is used comprises bright close binary channels imprinting and reads to coil CD burning software development in one, SATA/USB host computer bsp driver, CD writer management software, exclusiveness reads to coil the submodules such as Functional Design.
Bright close binary channels imprinting and read to coil software development, by calling bottom NERO SDK program development bag, realizes CD burning technology.
SATA host computer bsp driver, for host computer identification, the safe CD writer equipment of initialization, and bottom sets up communication mechanism, to application layer, provides interface function.
CD writer management software mainly comprises following functions module: latching, removing user/keeper mandate, administrator configurations module etc. when audit, free time are uploaded in PIN code authentication, imprinting daily record preservation and protection, the imprinting daily record of opening of device.Can more safe and effective management recording device by this management software.First, need the authentication of pc client PIN code could start recording device.The preservation of imprinting daily record and protection, upload audit function for keeper's monitoring equipment at any time, scent a hidden danger and provide safeguard in time.In addition, the relevant supplementary information that this imprinting software also allows user to select to fill in imprinting file, as theme (file name), addresser, receiver, collection of letters unit etc., so that keeper's audit work in the future.The information such as imprinting time, file size are directly obtained by software from computerized information, need not user fill in.Certainly, the consideration of user based on each side factor also can select not fill in above information, can carry out imprinting work equally.These information will generate Excel document, only have keeper just to have authority to open the document.Latching after device free certain hour, the personnel of preventing the equipment in situation such as leave and the problem such as falsely use.When there are some special circumstances (as the bad log recording of certain validated user, user of service leaves under order, changes keeper etc.), can realize and remove user/keeper mandate, further guarantee the security of recording device.Administrator configurations module can be used for the rights of using of this software of keeper's flexible configuration and supporting safe CD writer.For domestic consumer, do not need configuration, under default situations, be configured to have bright close binary channels recording function; And for the higher department of security requirements, can only be encrypted imprinting, and technical the bright imprinting channel function of software option is limited, if needed, through keeper, agree to also can open this function by configuration.
Safety management for keeper, adopt keeper specialized hardware USB KEY (UK) dish to authorize the mode of application, in UK, deposit administrator certificate, during use, keeper will insert computing machine by this UK, in software, corresponding menu is inputted corresponding administrator password, can carry out relevant configuration and audit management etc. is uploaded in daily record.
The special-purpose imprinting of exclusiveness reads to coil Functional Design, mainly for evading the problem of divulging a secret of using other imprinting software that has the potential safety hazards such as leak and general CD writer and producing non-subjectivity.Interface imitation is stable and reliable for performance, the NERO imprinting software of friendly interface, calls NERO SDK program development bag and designs.The one, repel other imprinting software application safety CD writer, adopt the mechanism of PIN code authentication opening device, distribute a corresponding PIN identification code to this software and hardware, after only having PIN code authentication to pass through, imprinting software could start safe CD writer and carry out imprinting.The 2nd, repel other general CD writer, our self-designed software and hardware management is comparatively convenient, seal other CD writer hardware, we verify by detecting the information such as No. ID of general CD writer, manufacturer, device number, if not our equipment, just seal this equipment and do not allow it be identified as available devices, cause the method that cannot use to realize.Logon service processes of carry, start AutoBackground real time execution monitoring CD writer port, judges according to actual conditions, carries out corresponding actions.The 3rd, for fear of this safe CD writer, because losing, cause technology to divulge a secret, we require main frame and equipment to be associated, when this equipment is allotted, by user, collect computer related information (CPU, MAC, hard disk sequence number) and submit to keeper, keeper is handed down to safe CD writer by configuration information and is stored in nonvolatile memory by configuring safe CD writer interface.The hardware information that can collect during software startup in main frame is passed to safe CD writer according to predetermined protocol format, if coupling is just opened imprinting and reads to coil function.For avoiding user to collect computing machine related hardware information, make troubles, we provide little software for obtaining the sequence number of related hardware and being stored as set form will to the user of the safe CD writer of application, user only need submit to this formatted file to keeper for configuring slave computer.
Safe CD writer of the present invention selects the FPGA that is difficult for cracking to carry out safe CD writer design, although these are high more a lot of in design difficulty than selecting some ready-made integrated IC, the safe and secret work tool of data is had very important significance.The FPGA that the present invention uses is Altera Cyclone II Low Power High Performance family chip.For example can select EP2C50, adopt BGA encapsulation, built-in 129xM4K RAM piece, 4 independent PLL.FPGA configuring chip can adopt specialized configuration chip EPCS4, is designed with AS (active arrangement mode), two kinds of configuration modes of JTAG, and JTAG is for in-circuit emulation debugging, and AS is for the burning of final FPGA program.
Use safe CD writer of the present invention to have the following advantages: 1. the data of CD non-encrypted area can normally be read on common CD-ROM drive, easily allowing people take for this is a normal optical disk, can play the effect to CD camouflage; Cdrom encryption district reference position changes according to different depositing expressly, and key does not leave on CD, must have identical safe CD writer and respective certificate and just can crack; The particular profile in cdrom encryption district is with a kind of off-gauge file layout tissue, and common CD writer cannot obtain fileinfo, and Windows/DOS system can not show encrypted file; The data in cdrom encryption district adopts hardware data stream rank to carry out once encrypting, and has guaranteed one-time pad; Data encryption key is carried out to RSA Algorithm asymmetric encryption, adopt 1024 RSA key, by current computer level, crack this class key and need the centuries time, guaranteed the security of data key, reduce again the link of artificial transmission data key, avoided the potential safety hazard that may exist; Common CD-ROM drive cannot be seen the particular profile of encrypted area, just cannot read the particular profile on CD, must use this programme encryption and decryption CD writer and supporting reading software; Owing to having adopted advanced hardware enciphering and deciphering algorithm and corresponding safeguard measure, data stream is carried out to real-time encryption and decryption, greatly improved data security and the anti-ability that cracks of CD.Use dedicated encrypted algorithm to encrypt data stream, in the situation that not knowing key, to correctly read the particular profile on CD, not this safe CD writer software and hardware system and supporting certificate, this is almost impossible mission, even longer even the very professional personnel that crack also will spend the many decades time.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a bright close double-channel anti-leakage security burner CD writer, comprises hardware enciphering/deciphering parts and imprinting parts, and wherein hardware enciphering/deciphering parts further comprise:
Fpga chip, is connected with computing machine, control processor, serial flash configuring chip and imprinting parts, for carrying out enciphering/deciphering processing to entering the data of this chip;
Control processor, for judging whether to carry out enciphering/deciphering processing to entering the data stream of hardware enciphering/deciphering parts, if the physical data without enciphering/deciphering, directly clear data being delivered to imprinting parts carries out imprinting or delivers to computing machine and carry out data and read, if need the confidential data of encrypting, delivered to fpga chip and carry out enciphering/deciphering processing;
Serial flash configuring chip, for carrying out initial configuration to fpga chip;
Imprinting parts, for carrying out imprinting to data; Wherein
Described fpga chip further comprises USB/SATA control module, SATA control module, data encryption/decryption unit, this fpga chip is connected with computing machine by USB/SATA control module, by SATA control module, be connected with imprinting parts, and USB/SATA control module is for going here and there and change entering the data stream of hardware enciphering/deciphering parts, and data encryption/decryption unit is for carrying out enciphering/deciphering processing to data stream;
Described control processor judges whether to be encrypted to going here and there through SATA/USB controller and changing data stream afterwards, and the upstream of SATA control module is judged whether to be decrypted processing;
This safe CD writer also comprises cert store and the noise source generator being connected with control processor, when control processor judgement data stream is the confidential data that needs encryption, control processor notice noise source generator produces random number, generated data encryption key obtains take over party's PKI from cert store simultaneously; Data encryption/decryption unit carries out hardware encipher processing by the data that the data encryption key of above-mentioned generation is encrypted needs; generate encrypting traffic; with take over party's PKI, data encryption key is carried out to rivest, shamir, adelman to be encrypted simultaneously; realize the protection of encryption key, finally by encrypting traffic with together with key after encrypting, through SATA interface conversion, be sent to imprinting parts and carry out ciphertext imprinting.
2. safe CD writer as claimed in claim 1, it is characterized in that, if control processor judgement needs data decryption, from cert store, obtain take over party's private key, this private key is reached to FPGA to carry out asymmetric cryptographic algorithm and solves data encryption key, with this data encryption key, use symmetric cryptographic algorithm to solve required clear data again, finally the clear data after deciphering is flowed through USB or SATA interface conversion are delivered to computing machine.
3. the safe CD writer as described in claim 1-2 any one, it is characterized in that, this CD writer further comprises: tear shell testing circuit open, for tearing the process of shell open, control processor receives the shell information of tearing open of tearing shell testing circuit feedback open, to start self-destroying function, critical data will be damaged, prevent from cracking enciphered data.
4. safe CD writer as claimed in claim 3, it is characterized in that, move on computers after imprinting software, in the time of need to opening encryption burning equipment, CD writer equipment by user's PIN code authentication mode and access connects, after authentication success, can open recording device, before each recording device starts, all important affair is first carried out PIN code authentication, to determine imprinting and to read authority.
5. safe CD writer as claimed in claim 3, it is characterized in that, when scribing CD, specify in advance the particular profile of wanting imprinting and the physical data that is used as camouflage, CD writer is first processed the general data of non-encrypted area, and the data of camouflage are write to CD non-encrypted area, then processes data to be encrypted, data encryption/decryption unit, carries out hardware-level data symmetric cryptography to data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110335353.3A CN102385891B (en) | 2011-10-28 | 2011-10-28 | Bright and dense double-channel anti-leakage security burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110335353.3A CN102385891B (en) | 2011-10-28 | 2011-10-28 | Bright and dense double-channel anti-leakage security burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102385891A CN102385891A (en) | 2012-03-21 |
| CN102385891B true CN102385891B (en) | 2014-07-16 |
Family
ID=45825241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110335353.3A Expired - Fee Related CN102385891B (en) | 2011-10-28 | 2011-10-28 | Bright and dense double-channel anti-leakage security burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102385891B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200007B (en) * | 2013-02-21 | 2015-07-29 | 无锡众志和达数据计算股份有限公司 | Based on the SATA data asymmetric cryptosystem system for implementing hardware of FPGA |
| CN104253694B (en) * | 2014-09-27 | 2018-03-27 | 杭州电子科技大学 | A kind of time slot scrambling for network data transmission |
| CN107170470A (en) * | 2017-03-29 | 2017-09-15 | 山东超越数控电子有限公司 | A kind of CD-ROM drive and imprinting, read method with hardware encrypting |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111263A (en) * | 2011-02-21 | 2011-06-29 | 山东中孚信息产业股份有限公司 | Data stream encryption method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442409A (en) * | 2007-11-23 | 2009-05-27 | 东方钢铁电子商务有限公司 | Encipher method and system for B2B data exchange |
| CN201577098U (en) * | 2009-09-28 | 2010-09-08 | 北京深思洛克软件技术股份有限公司 | Information security verification equipment |
| CN102053798A (en) * | 2009-10-27 | 2011-05-11 | 鸿富锦精密工业（深圳）有限公司 | Virtual drive firmware and image document reading method thereof |
| CN102110201B (en) * | 2009-12-28 | 2013-01-30 | 北京中讯锐尔科技有限公司 | System for monitoring and auditing compact disc burning |
-
2011
- 2011-10-28 CN CN201110335353.3A patent/CN102385891B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111263A (en) * | 2011-02-21 | 2011-06-29 | 山东中孚信息产业股份有限公司 | Data stream encryption method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102385891A (en) | 2012-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102646077B (en) | A kind of method of the full disk encryption based on credible password module | |
| US8966580B2 (en) | System and method for copying protected data from one secured storage device to another via a third party | |
| CN112560058B (en) | SSD partition encryption storage system based on intelligent password key and implementation method thereof | |
| CN101196855B (en) | Mobile encrypted memory device and cipher text storage area data encrypting and deciphering processing method | |
| CN202795383U (en) | Device and system for protecting data | |
| US20090276474A1 (en) | Method for copying protected data from one secured storage device to another via a third party | |
| CN102567233B (en) | Data protection method of USB storage device based on magnetic disc virtual technology | |
| CN102624699A (en) | Method and system for protecting data | |
| CN101593550B (en) | High strength encrypting USB flash disk for police | |
| KR20110055510A (en) | Backing up digital content that is stored in a secured storage device | |
| CN105653986B (en) | A kind of data guard method and device based on microSD card | |
| CN106295374B (en) | A kind of encryption Hub device for supporting multiple UFS equipment | |
| JP2012248178A (en) | Secure removable media and method for managing the same | |
| CN104200156A (en) | Trusted cryptosystem based on Loongson processor | |
| CN103413100B (en) | File security protection system | |
| CN201518127U (en) | Encrypted mobile memory based on password authentication | |
| CN112383391A (en) | Data security protection method based on data attribute authorization, storage medium and terminal | |
| CN102163267A (en) | Solid state disk as well as method and device for secure access control thereof | |
| WO2023240866A1 (en) | Cipher card and root key protection method therefor, and computer readable storage medium | |
| CN108491724A (en) | A kind of hardware based computer interface encryption device and method | |
| CN107911221B (en) | Key management method for secure storage of solid-state disk data | |
| CN102385891B (en) | Bright and dense double-channel anti-leakage security burner | |
| CN110233729B (en) | Encrypted solid-state disk key management method based on PUF | |
| JP2008005408A (en) | Recorded data processing apparatus | |
| CN106384054B (en) | A kind of encryption Hub device realized based on PCIE interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |