CN105426793A - Encryption and decryption scheduling control method for multi-port device controller - Google Patents
Encryption and decryption scheduling control method for multi-port device controller Download PDFInfo
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- CN105426793A CN105426793A CN201510788566.XA CN201510788566A CN105426793A CN 105426793 A CN105426793 A CN 105426793A CN 201510788566 A CN201510788566 A CN 201510788566A CN 105426793 A CN105426793 A CN 105426793A
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- encryption
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2125—Just-in-time application of countermeasures, e.g., on-the-fly decryption, just-in-time obfuscation or de-obfuscation
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- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides an encryption and decryption scheduling control method for a multi-port device controller. A local bus provided with a first master interface, a second master interface, a first slave interface and a second slave interface is used as a data routing switch device between a device controller and a host; and different bus request routings of a data transmission request are configured for a common mode and an encrypted mode of each port. Therefore, the data transmission request in the common mode of the port is only sent from the first master interface of the local bus and is fixedly routed to the first slave interface of the local bus. The data transmission request sent from the first master interface of the local bus in the encrypted mode of the port is routed to the second slave interface of the local bus by encryption logic; and the data transmission request sent from the second master interface of the local bus in the encrypted mode of the port is routed to the first slave interface of the local bus by the encryption logic.
Description
Technical field
The invention belongs to integrated circuit logic design field, the present invention is specifically related to a kind of multi bri device controller encryption and decryption dispatch control method.
Background technology
The logic of the data processing of multiple port is different, uses simple changing method clearly, can simplified design complexity, effectively improves the correctness of logical design.
But, do not provide a kind of simple changing method clearly in prior art, under making multiple port be operated in general mode or encryption mode simultaneously.
Summary of the invention
Technical matters to be solved by this invention is for there is above-mentioned defect in prior art, provide a kind of can control in multi bri device Controller gain variations multiple port be operated in general mode (bright logical pattern) or encryption mode (close logical pattern) simultaneously under a kind of Curve guide impeller method.
According to the present invention, provide a kind of multi bri device controller encryption and decryption dispatch control method, comprising: use and there is the first main interface and the second main interface and first from interface and second from the local bus of interface as the data-routing switch equipment between device controller and main frame; And, for the general mode of each port arrangement and the different bus request route of encryption mode difference configuration data transmission request.
Preferably, the data transfer request under the general mode of port is only sent from the first main interface of local bus, and fixed route to local bus first from interface.
Preferably, the data transfer request sent from the first main interface of local bus under the encryption mode of port is made to be routed to second of local bus from interface through encryption logic; The data transfer request sent from the second main interface of local bus under the encryption mode of port is made to be routed to first of local bus from interface through encryption logic.
Preferably, the transmission path of the data transfer request under the encryption mode of port is designed to, and makes the data transfer request under the encryption mode of port return local bus again after local bus is sent to encrypting module.
Preferably, the data transfer request under the general mode of port is without encryption logic.
Preferably, for the data transfer request of each port of device controller uses different requests number.
Preferably, the transmission path of the data transfer request of different port is changed by the routing policy of local bus.
The present invention passes through use 2 master ports, 2 local buss from port as cross bar switch, the logical process path of multiple data stream under being clearly separated general mode and encryption mode.Thus, under different ports just may be simultaneously operated in different patterns.The work of multiple ports under general mode and encryption mode clearly having managed device controller in this way of the present invention.
Accompanying drawing explanation
By reference to the accompanying drawings, and by reference to detailed description below, will more easily there is more complete understanding to the present invention and more easily understand its adjoint advantage and feature, wherein:
Fig. 1 schematically shows the route schematic diagram of general mode and encryption mode data according to the preferred embodiment of the invention.
Fig. 2 schematically shows another route schematic diagram of general mode and encryption mode data according to the preferred embodiment of the invention.
It should be noted that, accompanying drawing is for illustration of the present invention, and unrestricted the present invention.Note, represent that the accompanying drawing of structure may not be draw in proportion.Further, in accompanying drawing, identical or similar element indicates identical or similar label.
Embodiment
In order to make content of the present invention clearly with understandable, below in conjunction with specific embodiments and the drawings, content of the present invention is described in detail.
Use has 2 main interfaces (the first main interface m1 and the second main interface m2) and 2 local buss from interface (first from interface s1 and second from interface s2) as the data-routing switch equipment between device controller and main frame.In bus logical routing, different routed paths can be configured according to different data transfer request (such as, according to the request number of data transfer request).
Preferably, different request number (with this to distinguish the data transfer request of different port) can be used for the data transfer request of each port of device controller, and configure different bus request routes according to the general mode of each port arrangement or encryption mode.
Wherein, the data transfer request under the general mode of port only can be sent from the first main interface m1 of local bus, and fixed route to local bus first from interface s1 (without encryption logic); Make the data transfer request sent from the first main interface m1 of local bus under the encryption mode of port be routed to second of local bus from interface s2 through encryption logic, make the data transfer request sent from the second main interface m2 of local bus under the encryption mode of port be routed to first of local bus from interface s1 through encryption logic.Wherein, the transmission path of the data transfer request under the encryption mode of design port, makes the data transfer request under the encryption mode of port return local bus again after local bus is sent to encrypting module.
Particularly, as shown in drawings, two structural drawing topologys in Fig. 1 with Fig. 2 are the same, Fig. 1 data transmission more clearly illustrated under general mode only increases the route of a local bus, does not increase too much logic and time delay; Fig. 2 more clearly illustrates the route that data under encryption mode have passed through twice local bus.
The present invention passes through use 2 master ports, 2 local buss from port as cross bar switch, the logical process path of multiple data stream under being clearly separated general mode and encryption mode.Thus, under different ports just may be simultaneously operated in different patterns.The work of multiple ports under general mode and encryption mode clearly having managed device controller in this way of the present invention.
For example, use and have 2 main interfaces and 2 from AXI (AdvancedeXtensibleInterface) bus of interface as data-routing switch, in AXI bus logic, control different routed paths according to different data transfer request identification numbers.The request of each port uses different identification numbers, according to the bright logical pattern of each port arrangement or the different AXI Request routing of close logical pattern configurations.
In the specific implementation, the transmission path of the data transfer request of different port can be changed by the routing policy of local bus.
It should be noted that, unless otherwise indicated, otherwise the term " first " in instructions, " second ", " the 3rd " etc. describe only for distinguishing each assembly, element, step etc. in instructions, instead of for representing logical relation between each assembly, element, step or ordinal relation etc.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (7)
1. a multi bri device controller encryption and decryption dispatch control method, is characterized in that comprising: use and have the first main interface and the second main interface and first from interface and second from the local bus of interface as the data-routing switch equipment between device controller and main frame; And, for the general mode of each port arrangement and the different bus request route of encryption mode difference configuration data transmission request.
2. multi bri device controller encryption and decryption dispatch control method according to claim 1, it is characterized in that, data transfer request under the general mode of port is only sent from the first main interface of local bus, and fixed route to local bus first from interface.
3. multi bri device controller encryption and decryption dispatch control method according to claim 1 and 2, it is characterized in that, make the data transfer request sent from the first main interface of local bus under the encryption mode of port be routed to second of local bus from interface through encryption logic; The data transfer request sent from the second main interface of local bus under the encryption mode of port is made to be routed to first of local bus from interface through encryption logic.
4. multi bri device controller encryption and decryption dispatch control method according to claim 1 and 2, it is characterized in that, the transmission path of the data transfer request under the encryption mode of port is designed to, and makes the data transfer request under the encryption mode of port return local bus again after local bus is sent to encrypting module.
5. multi bri device controller encryption and decryption dispatch control method according to claim 1 and 2, it is characterized in that, the data transfer request under the general mode of port is without encryption logic.
6. multi bri device controller encryption and decryption dispatch control method according to claim 1 and 2, is characterized in that, for the data transfer request of each port of device controller uses different requests number.
7. multi bri device controller encryption and decryption dispatch control method according to claim 1 and 2, is characterized in that, is changed the transmission path of the data transfer request of different port by the routing policy of local bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788566.XA CN105426793B (en) | 2015-11-17 | 2015-11-17 | A kind of multi bri device controller encryption and decryption dispatch control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788566.XA CN105426793B (en) | 2015-11-17 | 2015-11-17 | A kind of multi bri device controller encryption and decryption dispatch control method |
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| CN105426793A true CN105426793A (en) | 2016-03-23 |
| CN105426793B CN105426793B (en) | 2018-02-06 |
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| CN201510788566.XA Active CN105426793B (en) | 2015-11-17 | 2015-11-17 | A kind of multi bri device controller encryption and decryption dispatch control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276884A (en) * | 2017-08-21 | 2017-10-20 | 江苏北弓智能科技有限公司 | A kind of autonomous encrypting and deciphering system of social software based on intelligent terminal |
| CN109410592A (en) * | 2018-11-20 | 2019-03-01 | 武汉兰芯数据定向传媒有限公司 | A kind of intelligent vehicle dynamic monitoring management system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459728A (en) * | 2002-05-22 | 2003-12-03 | 张群 | Method of using computer to enhance image treatment and data treatment |
| CN1816012A (en) * | 2004-11-23 | 2006-08-09 | 英特尔公司 | Scalable, high-performance, global interconnect scheme for multi-threaded, multiprocessing system-on-a-chip network processor unit |
| US20070067549A1 (en) * | 2005-08-29 | 2007-03-22 | Judy Gehman | Method for request transaction ordering in OCP bus to AXI bus bridge design |
| CN103383668A (en) * | 2012-05-04 | 2013-11-06 | 三星电子株式会社 | System on chip, method of operating the same, and devices including the system on chip |
-
2015
- 2015-11-17 CN CN201510788566.XA patent/CN105426793B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459728A (en) * | 2002-05-22 | 2003-12-03 | 张群 | Method of using computer to enhance image treatment and data treatment |
| CN1816012A (en) * | 2004-11-23 | 2006-08-09 | 英特尔公司 | Scalable, high-performance, global interconnect scheme for multi-threaded, multiprocessing system-on-a-chip network processor unit |
| US20070067549A1 (en) * | 2005-08-29 | 2007-03-22 | Judy Gehman | Method for request transaction ordering in OCP bus to AXI bus bridge design |
| CN103383668A (en) * | 2012-05-04 | 2013-11-06 | 三星电子株式会社 | System on chip, method of operating the same, and devices including the system on chip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276884A (en) * | 2017-08-21 | 2017-10-20 | 江苏北弓智能科技有限公司 | A kind of autonomous encrypting and deciphering system of social software based on intelligent terminal |
| CN109410592A (en) * | 2018-11-20 | 2019-03-01 | 武汉兰芯数据定向传媒有限公司 | A kind of intelligent vehicle dynamic monitoring management system |
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| CN105426793B (en) | 2018-02-06 |
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