CN204066121U - A kind of PCI-E encrypted card - Google Patents
A kind of PCI-E encrypted card Download PDFInfo
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- CN204066121U CN204066121U CN201420357928.0U CN201420357928U CN204066121U CN 204066121 U CN204066121 U CN 204066121U CN 201420357928 U CN201420357928 U CN 201420357928U CN 204066121 U CN204066121 U CN 204066121U
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Abstract
The utility model discloses a kind of PCI-E encrypted card, comprises wired network interface, network interface, DSP control chip, digital physical noise source chip, encrypting module and FLASH module that grafting FPGA main control module on circuit boards, PCI-E interface, SATA control module, the encryption slot of multiple pluggable different encrypted card, USB interface, the SATA interface be connected with computing machine respectively and converting interface, interface are RJ45.Wherein, FPGA main control module is the nucleus module of encrypted card, controls the integrated operation of described encrypted card according to the order of main frame transmission; The utility model utilizes the data encryption that PCI-E bus interface technology is encrypted card to provide high speed processing passage, substantially increases the operating rate of encrypted card; SATA interface and converting interface are set up and are changed the mechanism between mainboard and hard disk simultaneously, neither affect the normal running of computing machine to hard disk, the safety of hard disk turnover data can be ensured again, the encryption of new criteria hard disk is realized by the control module of SATA, compatible multiple SATA standard, expands the encryption scope of hard disk simultaneously; Support multiple network interface, in order to be directly the data enciphering/deciphering raising of Internet Transmission; Utilize USB interface can provide cryptographic services for multiple external equipment, expand the protection domain of user.
Description
Technical field
The utility model relates to data security arts, is specifically related to a kind of PCI-E encrypted card.
Background technology
Encrypted card provides complicated cipher mode as the processing speed that a kind of hardware encipher method can improve encryption and decryption, is widely used.The encrypted card of current main flow, primarily of main control module, encrypting module, flash module, random number generator and communication interface modules composition, can also increase DSP control module.
Wherein: main control module is the nucleus module of encrypted card, it controls the integrated operation of encrypted card according to the order that main frame sends, based on FPGA (Field-Programmable Gate Array, i.e. field programmable gate array) to be encrypted be method conventional in prior art, it is the product further developed on the basis of the programming devices such as PAL, GAL, CPLD; Encrypting module, can provide encryption/decryption algorithm, multiple GB algorithm such as such as SM1, SM2, SM3, SM4, RSA etc.; Flash module, can provide configuration data for encrypted card, as long as carry out easy configuration to encrypted card just can meet different user's uses; Random number generator, adopts special digital physical noise source to realize, and is responsible for producing true random number sequence; DSP control module can complete digital signal processing.
Communication interface modules has been responsible for the data communication between encrypted card and main frame, current encrypted card by PCI-E bus and main-machine communication, as disclosed a kind of encrypted card based on FPGA in " the high-speed encryption card design and implimentation based on FPGA ".This encrypted card is by PCI-E bus and main-machine communication.But mostly existing hardware encryption card is for IDE specification, the hard disk processing standard of the SATA specification relatively now adopted, greatly backwardness.
Utility model content
Support single for solving encrypted card in prior art to mainstream data interface specification, extendability not and the slow problem of processing speed, the employing PCI-E bus that the utility model is mentioned in " the high-speed encryption card design and implimentation based on FPGA " also selects programmable logic device (PLD) (FPGA) design to achieve a two-forty, the basis of the hardware encryption card of high reliability provide a kind of SATA of being applied to specification and the hardware encryption card of encryption can be provided for the data of various criterion, namely add SATA control module, SATA interface and converting interface, in original design, SATA interface and encryption and decryption functions are combined, respective end is transferred to again after the data that main frame and hard disk send are carried out encryption and decryption process, complete paired data carries out the function of high-speed hardware encryption, SATA control module can adopt the Sil3114CT176 chip of Silicon Image company, rely on this chip can realize carrying out encryption and decryption to the hard disk based on SATA specification, also add DSP control chip in addition, DSP control chip is connected to PCI-E interface, the communication connection of crypto module and host pci can be realized, DSP control chip can adopt the TMS320 series of TI, high speed processing passage can be provided for encrypted card data encryption based on this chip, substantially increase the operating rate of encrypted card.
This uses novel concrete scheme as follows: a kind of PCI-E encrypted card, comprise grafting FPGA main control module on circuit boards, DSP control chip, digital physical noise source chip, PCI-E interface, encryption slot, SATA interface, converting interface, SATA control module, FLASH module, the power module of encrypting module, multiple pluggable different encryption chip, wherein, FPGA main control module is connected with DSP control chip, SATA control module and encrypting module respectively; DSP control chip is also connected with PCI-E interface and digital physical noise source chip; FLASH module is connected with FPGA main control module and DSP control chip respectively; SATA control module is connected with hard disc of computer and computer motherboard with converting interface respectively by SATA interface; Encryption slot is connected with FPGA main control module and power module respectively, so neither affects the normal running of computing machine to hard disk, can ensure again the safety of hard disk turnover data.And DSP control chip is connected to PCI-E interface, can realize the communication connection of crypto module and host pci, the data encryption for encrypted card provides high speed processing passage, substantially increases the operating rate of encrypted card.
Each module of above-mentioned encrypted card is all connected by the P.e.c. on circuit board.
Spartan series or the Virtex of the FPGA main control module employing Xilinx company of encrypted card are serial, managing encrypted card various functions, can certainly adopt the EP4CGX30FPGA chip mentioning the CycloneIV CX series of altera corp in " the high-speed encryption card design and implimentation based on FPGA ".As another kind of embodiment of the present invention, the built-in NiosII soft-core processor of fpga chip also can be adopted to replace the dsp chip in the utility model.
Encrypting module adopts the TF32A09 chip of Tongfang, and it adopts 32 bit CPU kernels, supports the encrypting and decrypting of DES, 3DES, 2KEY, 3KEY algorithm and the encrypting and decrypting of EBC pattern and CBC pattern, supports ECC, SM1, SMS4 scheduling algorithm.
DSP control chip carries out process computing to digital signal, adopts the TMS320 series of TI.
FLASH module, can be encrypted card and provides configuration data.Numeral physical noise source chip, for generation of random number, adopts the WNG-4 chip of WNG series.WNG-4 chip can form application system together with FPGA, E2PROM, to produce key, storage key and more new key.The sequence that in system, WNG-4 exports has good randomness.Good random number can not only be provided, also can improve the safe class of encryption.
SATA control module adopts the Sil3114CT176 chip of Silicon Image company, realizing the encryption of new criteria hard disk, for exchanging data with computer interface, safe CPU element, each encrypting module, and performing various logic and sequential control function.
Further, the SATA interface of described encrypted card has 2-4 and respectively for different operating specifications, can compatible multiple SATA standard simultaneously, expands the encryption scope of hard disk.
Encrypted card is provided with the encryption slot that 4 can connect encryption chip, each encryption slot is connected with main control module and power module respectively, concrete encryption slot adopts the form with spininess socket, and the encryption chip of corresponding grafting adopts the encapsulation modular structure with respective pins, so just make encryption chip be plugged in encryption slot by contact pin easily, realize the expansion of encrypted card respective encrypted function.
Encrypted card is also provided with network interface, directly for the data by Internet Transmission provide encryption and decryption functions, and need not can be transmitted by mainboard, to improve the efficiency of the utility model to network data encryption/deciphering, reduce the frequency of data interaction in PCIE bus simultaneously.
Encrypted card is also arranged converting interface to be connected with SATA control module, the conversion of SATA specification and IDE specification can be supported.
Encrypted card is also provided with the external USB interface be connected with main control module, can be multiple external equipment and cryptographic services is provided.
The utility model can be applied in different places; both safeguard protection can be provided for group internal; also security protection can be provided for personal user's privacy; as long as and existing chip is carried out combine can obtain that the utility model provides can provide the hardware encryption card of encryption for several data application based on SATA specification, reduce costs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, hardware encryption card described in the utility model is specifically described.
Fig. 1 structural representation of the present utility model.
Attached number in the figure illustrates: 1-main control module, 2-DSP control chip, 3-numeral physical noise source chip, 4-PCI-E interface, 5-encrypting module, 6-SATA interface, 7-converting interface, 8-USB interface, 9-SATA control module, 10-FLASH module, 11-power module, 12-wired network interface, 13-network interface, 14-radio network interface, 15-encryption slot, 16-circuit board.
Embodiment
As shown in Figure 1, hardware encryption card of the present utility model, comprise grafting PCI-E interface 4 on the board 16, FPGA main control module 1, the FLASH module 10 be connected with main control module 1 respectively, encrypting module 5, for the treatment of the SATA control module 9 of SATA agreement, the encryption slot 15 of 5V power module 11 and pluggable encryption chip, described SATA control module 9 is connected with the SATA interface 6 be connected with SATA hard disc and the converting interface 7 be connected with SATA interface on computer motherboard, the DSP control chip 2 be connected with main control module 1 and PCI-E interface 4 respectively, the digital physical noise source chip 3 be connected with DSP control chip 2, described encryption slot 15 is connected with main control module 1 and 5V power module 11 respectively.
In the utility model, main control module 1 realizes hard disc data to mainboard or mainboard data to the transmission of hard disk by SATA control module 9.When needs encryption and decryption, numeral physical noise source chip 3 produces random number and is supplied to DSP control chip 2, random number leaves in FLASH module 10 and calls for main control module 1 by DSP control chip 2, the generating random number corresponding secret key that encrypting module 5 transmits DSP control chip 2 according to the enciphering and deciphering algorithm of inside, and be supplied to the encryption of main control module 1 for corresponding data.Main control module 1 not only needs control encryption process but also need to control the corresponding interface on encrypted card, to ensure the normal transmission of data.The 5V voltage that encrypted card of the present utility model adopts mainboard to provide, and be that each chip is powered by 5V power module.
The utility model utilizes DSP control chip to be connected to PCI-E interface, to realize the communication connection of crypto module and host pci, improves the enciphered data processing speed of whole encrypted card.The utility model utilizes SATA interface and converting interface to set up between mainboard and hard disk and changes the mechanism, and neither affects the normal running of computing machine to hard disk, can ensure again the safety of hard disk turnover data.
Each module on encrypted card of the present utility model is all connected by the P.e.c. on circuit board 16.
FPGA main control module in the utility model is the nucleus module of encrypted card, and control the integrated operation of described encrypted card according to the order of main frame transmission, user can programme to FPGA main control module, realizes user-defined cryptographic algorithm.The Spartan of the FPGA module employing Xilinx company in the utility model is serial, Virtex is serial or the EP4CGX30FPGA chip of the CycloneIV CX series of altera corp.As another kind of embodiment of the present invention, the NiosII soft-core processor of altera corp also can be adopted to replace the dsp chip in the utility model.
SATA control module 9 adopts the Sil3114CT176 chip of Silicon Image company, and it can support four USB interface, and operationally, related data is sent to DSP control chip 2 by PCI-E interface 4 by computing machine.DSP control chip adopts the TMS320 series of TI, and this chip can realize the process of PCI-E interface data.Numeral physical noise source chip adopts the WNG-4 of WNG series, and this chip can produce random number, and is supplied to DSP control chip 2, DSP control chip 2 and random number is left in FLASH module 10 and call for main control module 1.Encrypting module 5 adopts the TF32A09 chip of Tongfang, the generating random number corresponding secret key that the inside enciphering and deciphering algorithm of this chip transmits DSP control chip 2, and is supplied to the encryption of main control module 1 for corresponding data.
Encrypted card is also arranged converting interface to be connected with SATA control module, the conversion of SATA specification and IDE specification can be supported.
The encryption slot 15 that encrypted card is arranged, for a kind of P.e.c. connecting encryption chip, it is connected with main control module and power module respectively, concrete encryption slot adopts the form with spininess socket, and the encryption chip of corresponding grafting adopts the encapsulation modular structure with respective pins, so just make encryption chip be plugged in encryption slot by contact pin easily, realize the expansion of encrypted card respective encrypted function.And the pin of concrete encryption chip and encryption slot match on quantity, specification, spaced position, different encryption chips is adapted in order to make encryption slot of the present utility model, each encryption slot that the utility model provides is provided with 80 pins, comprising 64 I/O pin, 3 1.2 volts of power lead pins, 3 3.3 volts of power lead pins, 35 volts of power lead pins, 5 ground pin, 1 Power supply control signal pin and 1 reset signal pin.Further, 80 pins of each encryption mould slot are by being divided into 4 row from top to bottom, often row 20 pins are arranged on printed wiring board, the pin arrangement comparatively neat appearance of such design, conveniently be beneficial to two double socket grafting, and each encryption slot can select kind and the quantity of required Power supply according to the needs of crypto chip, the signals such as data, address, control can be selected as required in 64 I/O pin, also can select as required whether to use provided reset signal and Energy control pin.The selection mode of this dirigibility had both met different design request for utilizations, possessed again certain extendability.
Further, FPGA main control module 1 of the present utility model, is also provided with the pin matched with encryption slot, and is connected one by one by printed wiring with 256 I/O pin of 4 encryption slots 15 by the data pins of 256 wherein.One of them 5 volts of power lead pin can also be connected with the 5v power module 11 on encrypted card by printed circuit by each encryption slot 15 in the utility model.
Such as, pluggable LKT4103 multiplex roles encryption chip in encryption slot provided by the invention.LKT4103 multiplex roles encryption chip LKT4103 adopts enhancement mode 8051 smart card kernel, and chip internal embeds the LKCOS intelligent operating system of Ling Ke Xin An company, and user can download to MCU Program part key algorithm function in LKT4103 chip and run.User adopts standard C language compilation operation code, adopts KEIL C compiler, compiles and download in intelligent chip.In actual moving process, run the program segment in intelligent card chip by call function mode, and obtain operation result, and the input data run further using this result as user program.LKT4103 has become a part for product, and algorithm is in LKT4103 internal arithmetic, and pirated disc copier cannot crack, and has fundamentally stopped the possibility that program is cracked.SSF33 and SM1 algorithm dedicated encrypted module, DES/3DES encrypting module and the RSA public key algorithm engine of chip internal hardware implementing needed for national commercial encryption product.Embedded 32 the real random number generator RNG of chip.Chip has abundant external interface, comprises USB Device controller, can support USB Low Speed, Full Speed communication pattern; 7816 master/slave transceivers, can realize T=0 and T=1 agreement, support multiple traffic rate; The master/slave module of hardware SPI and 8 GPIO ports.
For convenience of different internetwork connection modes, densifying plate is provided with the various network interfaces be connected by printed circuit with main control module 1, such as radio network interface 14, wired network interface 12, with network interface 13, wherein, wired network interface 12 is RJ45 interface, and network interface 13 adopts the DM9102HEP chip of Davicom company, DM9102HEP is pci interface 10/100Mbps ethernet controller, is applicable to the Embedded Application of master chip band pci bus; And radio network interface 14 adopts 3070 series of RaLink, it can support the maximal rate of 300Mb/s, maximal rate 150Mb/s, and the signal intensity of Ralink is good, and connection request is low.
On cipher mode, wired network interface 12, network interface 13 and radio network interface 14, all that the data transmitted by heterogeneous networks interface are entered main control module by Network Interface Module, the key that encrypting module produces adds in data or to corresponding decrypt data by main control module, and then by PCI-E interface, data are flowed to computing machine, therefore, utilize encrypted card to carry out encryption and decryption to the turnover data that various network interface controls, ensure that the security of computer network communication data.Each network interface is arranged on encrypted card simultaneously and does not need data are passed on by computer-internal again, improve the processing speed of data, it also avoid the possibility of divulging a secret that network data exists in the process of passing in addition.
Described encrypted card of the present utility model is also connected with external USB interface 8, and described USB interface 8 is connected with main control module 1.Encrypted card can drive and identify USB interface 8, when inserting corresponding external equipment in USB interface 8, main control module 1 carries out identifying and sends corresponding external equipment information to computing machine, the while of main control module 1, receiving computer is to the encryption and decryption request of external equipment, and carries out encryption and decryption by aforementioned encryption and decryption mode to the data on external equipment.By the USB interface be connected with encrypted card, can be encrypted for the data in USB flash disk, portable hard drive or other digital device, greatly facilitate the demand of user, make a block encryption card can complete the encryption of conventional communication data.
In the utility model, PCI-E interface IP kernel supports the input/output space of two 256K bytes, support the PCI-E memory headroom of a 4M byte, in the data transmission of PCI-E, main rely on that I/O reads, I/O writes, storer is read, storer is write etc. and operate data transmit.I/O reading and writing order is used for being mapped to reading and writing data the equipment in I/O address space from one.Storer reading and writing order is used for being mapped to from one the equipment reading and writing data of memory address space, data enter pci interface module from PC, first stored in the I/O storage unit of specifying in pci interface module, under the control of main control module, enter encrypting module successively, data output to after treatment and export among buffer memory, by driver, operation result are transferred to application program.
The encrypted card that the utility model provides can realize based on SATA specification and can provide encryption for several data application on the basis of existing chip portfolio, realize high-speed data encryption and decryption, neither affect the normal running of computing machine to hard disk, the safety of hard disk turnover data can be ensured again.
In order to improve the support to using different specification hard disk, described SATA interface 6 of the present utility model has 2-4 and respectively for different operating specifications.As working standard interfaces such as SATA2.0, SATA3.0, eSATA, can expand the hard disk type of encryption in this way, the utility model supports at most four SATA interfaces due to the reason of chip.
The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any technician being familiar with this patent is not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned prompting can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (6)
1. a PCI-E encrypted card, it is characterized in that: comprise the FPGA main control module (1) be plugged on circuit board (16), PCI-E interface (4), SATA control module (9), encryption slot (15), SATA interface (6), converting interface (7), wired network interface (12), network interface (13), DSP control chip (2), digital physical noise source chip (3), encrypting module (5), FLASH module (10) and 5V power module (11)
Described FPGA main control module (1) is connected respectively with described SATA control module (9), described encryption slot (15), described encrypting module (5) and described 5V power module (11) respectively;
Described FPGA main control module (1) is also connected with described digital physical noise source chip (3), described PCI-E interface (4) and described FLASH module (10) respectively by described DSP control chip (2);
Described FPGA main control module (1) is also connected with described wired network interface (12) by described network interface (13);
Described SATA control module (9) is connected with described SATA interface (6) and described converting interface (7) respectively;
Described PCI-E interface (4), described SATA interface (6) are connected with computing machine respectively with described converting interface (7);
Described FPGA main control module (1) directly can also be connected with described FLASH module (10),
Described FPGA main control module (1) adopts Spartan family chip or Virtex family chip, described SATA control module (9) adopts Sil3114CT176 chip, and described DSP control chip (2) adopts the TMS320 family chip of TI; Described digital physical noise source chip (3) adopts the WNG-4 chip of WNG series; Described encrypting module (5) adopts the TF32A09 chip of Tongfang; Described wired network interface (12) is RJ45 interface; Described network interface (13) adopts DM9102HEP chip.
2. a kind of PCI-E encrypted card according to claim 1, is characterized in that: described encryption slot (15) is the P.e.c. connecting encryption chip, and described encryption slot (15) has 4, pluggable different encryption chip.
3. a kind of PCI-E encrypted card according to claim 2, is characterized in that: described SATA interface (6) has 2-4, and respectively for different operating specifications.
4. a kind of PCI-E encrypted card according to claim 3, it is characterized in that: the radio network interface (14) also comprising pluggable wireless network, described radio network interface (14) adopts 3070 family chips of RaLink, and described radio network interface (14) is connected with described FPGA main control module (1).
5. a kind of PCI-E encrypted card according to claim 4, is characterized in that: described encrypted card is provided with external USB interface (8), described USB interface (8) is connected with described FPGA main control module (1).
6. any one PCI-E encrypted card according to claim 1-5, is characterized in that: the connection between described each module is connected by the P.e.c. on described circuit board (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420357928.0U CN204066121U (en) | 2013-10-31 | 2014-06-30 | A kind of PCI-E encrypted card |
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| CN201320682694.2 | 2013-10-31 | ||
| CN201320682694 | 2013-10-31 | ||
| CN201420357928.0U CN204066121U (en) | 2013-10-31 | 2014-06-30 | A kind of PCI-E encrypted card |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735322A (en) * | 2015-03-25 | 2015-06-24 | 江苏物联网研究发展中心 | Safety web camera with hardware encryption function |
| CN106453258A (en) * | 2016-09-12 | 2017-02-22 | 中国电子科技集团公司第三十二研究所 | High-speed data encryption and decryption system and method |
| CN106503569A (en) * | 2016-10-28 | 2017-03-15 | 成都力雅信息技术有限公司 | Micro- disc system based on PCI encrypted cards |
| CN107977333A (en) * | 2017-12-04 | 2018-05-01 | 山东渔翁信息技术股份有限公司 | A kind of cipher card and the method for communication |
| CN108011867A (en) * | 2017-11-13 | 2018-05-08 | 北京全路通信信号研究设计院集团有限公司 | The safe encryption method and system of a kind of railway signal |
| CN108345806A (en) * | 2017-12-14 | 2018-07-31 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of hardware encryption card and encryption method |
| CN108572938A (en) * | 2017-03-09 | 2018-09-25 | 意法半导体股份有限公司 | System and corresponding method with safe SOC connections between IP and multiple GPIO |
| CN108768669A (en) * | 2018-08-14 | 2018-11-06 | 杭州创谐信息技术股份有限公司 | Based on ASIC trusted remote memory switching cards and its method for interchanging data |
| CN109460680A (en) * | 2018-10-30 | 2019-03-12 | 天津津航计算技术研究所 | A kind of hardware enciphering and deciphering implementation method and hardware encryption board based on pci bus |
| CN110012014A (en) * | 2019-04-08 | 2019-07-12 | 山东渔翁信息技术股份有限公司 | A kind of encipher-decipher method, system, device and medium |
| CN110737904A (en) * | 2019-09-11 | 2020-01-31 | 中国电子信息产业集团有限公司第六研究所 | high-performance encryption and decryption device |
| CN111934859A (en) * | 2020-07-22 | 2020-11-13 | 北京三未信安科技发展有限公司 | Cipher card communication method, cipher card and computer equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735322A (en) * | 2015-03-25 | 2015-06-24 | 江苏物联网研究发展中心 | Safety web camera with hardware encryption function |
| CN106453258A (en) * | 2016-09-12 | 2017-02-22 | 中国电子科技集团公司第三十二研究所 | High-speed data encryption and decryption system and method |
| CN106503569A (en) * | 2016-10-28 | 2017-03-15 | 成都力雅信息技术有限公司 | Micro- disc system based on PCI encrypted cards |
| CN108572938A (en) * | 2017-03-09 | 2018-09-25 | 意法半导体股份有限公司 | System and corresponding method with safe SOC connections between IP and multiple GPIO |
| CN108572938B (en) * | 2017-03-09 | 2022-06-24 | 意法半导体股份有限公司 | System with secure SOC connection between IP and multiple GPIOs and corresponding method |
| US11144678B2 (en) | 2017-03-09 | 2021-10-12 | Stmicroelectronics S.R.L. | System with secure SoC connections among IP and multiple GPIOs, and corresponding method |
| CN108011867B (en) * | 2017-11-13 | 2020-11-06 | 北京全路通信信号研究设计院集团有限公司 | Safe encryption method and system for railway signals |
| WO2019091071A1 (en) * | 2017-11-13 | 2019-05-16 | 北京全路通信信号研究设计院集团有限公司 | Railway signal security encryption method and system |
| CN108011867A (en) * | 2017-11-13 | 2018-05-08 | 北京全路通信信号研究设计院集团有限公司 | The safe encryption method and system of a kind of railway signal |
| CN107977333A (en) * | 2017-12-04 | 2018-05-01 | 山东渔翁信息技术股份有限公司 | A kind of cipher card and the method for communication |
| CN108345806A (en) * | 2017-12-14 | 2018-07-31 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of hardware encryption card and encryption method |
| CN108768669A (en) * | 2018-08-14 | 2018-11-06 | 杭州创谐信息技术股份有限公司 | Based on ASIC trusted remote memory switching cards and its method for interchanging data |
| CN109460680A (en) * | 2018-10-30 | 2019-03-12 | 天津津航计算技术研究所 | A kind of hardware enciphering and deciphering implementation method and hardware encryption board based on pci bus |
| CN110012014A (en) * | 2019-04-08 | 2019-07-12 | 山东渔翁信息技术股份有限公司 | A kind of encipher-decipher method, system, device and medium |
| CN110737904A (en) * | 2019-09-11 | 2020-01-31 | 中国电子信息产业集团有限公司第六研究所 | high-performance encryption and decryption device |
| CN111934859A (en) * | 2020-07-22 | 2020-11-13 | 北京三未信安科技发展有限公司 | Cipher card communication method, cipher card and computer equipment |
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