CN204559595U - Distribution terminal encryption device - Google Patents
Distribution terminal encryption device Download PDFInfo
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- CN204559595U CN204559595U CN201520281723.3U CN201520281723U CN204559595U CN 204559595 U CN204559595 U CN 204559595U CN 201520281723 U CN201520281723 U CN 201520281723U CN 204559595 U CN204559595 U CN 204559595U
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Abstract
The utility model provides a kind of distribution terminal encryption device, comprise the first interface circuit, master control set, the second interface circuit that connect successively, wherein, described master control set is loaded with SM cryptographic algorithm, SM cryptographic algorithm is built in master control set, realize encrypting and authenticating function, avoid USB KEY to cause because of stolen illegally accessing power distribution network problem, distribution terminal safety can be guaranteed.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly relates to distribution terminal encryption device.
Background technology
Monitoring system for power distribution networks mainly comprises main website, communication network and distribution terminal composition, distribution terminal reports remote signalling and the telemetry-acquisition data of distribution line to main website, and remote control command to realize distribution line Fault Isolation and fast power restoration function with control circuit break-make is assigned to distribution terminal by main website.Power distribution network control system, once suffer attack to cause large-area power-cuts, brings the inconvenience of life and production to the country and people.
In power distribution network, implement encrypting and authenticating, compared to the encrypting and authenticating of conventional computer system, there is following difference and design difficulty: distribution terminal equipment is outdoor unattended because being deployed in, equipment completes with the data acquisition of main website and straighforward operation mutual automatically, need not human users in distribution terminal side; Thus, conventional computer system cannot be suitable for based on the encrypting and authenticating that password password is mutual, and conventional computer system also makes main website suffer illegal invasion because of easily stolen based on the encryption technology of USB KEY, can not be suitable for equally.
Utility model content
Based on this, the device being necessary for conventional computer system encrypting and authenticating cannot guarantee the problem of distribution terminal safety, provides a kind of distribution terminal encryption device, guarantees the safety of distribution terminal.
A kind of distribution terminal encryption device, comprise the first interface circuit, master control set, the second interface circuit that connect successively, wherein, described master control set is loaded with SM cryptographic algorithm;
Described first interface circuit comprises at least one in Ethernet interface, RS 232 serial ports and UART interface three kinds, and described second interface circuit comprises Ethernet interface and/or RS 232 serial ports.
The utility model distribution terminal encryption device, comprise the first interface circuit, master control set, the second interface circuit that connect successively, wherein, described master control set is loaded with SM cryptographic algorithm, SM cryptographic algorithm is built in master control set, realize encrypting and authenticating function, avoid USB KEY to cause because of stolen illegally accessing power distribution network problem, distribution terminal safety can be guaranteed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model distribution terminal encryption device first embodiment;
Fig. 2 is the structural representation of the utility model distribution terminal encryption device second embodiment;
Fig. 3 is the structural representation of the utility model distribution terminal encryption device the 3rd embodiment;
Fig. 4 is the structural representation of the utility model distribution terminal encryption device the 4th embodiment;
Fig. 5 is the structural representation of the utility model distribution terminal encryption device the 5th embodiment.
Embodiment
As shown in Figure 1, a kind of distribution terminal encryption device, comprise the first interface circuit 100, master control set 200, second interface circuit 300 that connect successively, wherein, described master control set 200 is loaded with SM cryptographic algorithm;
Described first interface circuit 100 comprises at least one in Ethernet interface, RS 232 serial ports and UART interface three kinds, and described second interface circuit 300 comprises Ethernet interface and/or RS 232 serial ports.
First interface circuit 100 is interconnected with the communication network of monitoring system for power distribution networks, receives the remote control enciphered data that monitoring system for power distribution networks main website is assigned, the remote signalling of electric line that concurrent delivery electric terminals is provided and delivered and remote measurement enciphered data.First interface circuit 100 comprise in Ethernet interface, RS 232 serial ports and UART interface three kinds any one or multiple.Ethernet interface is applicable to distribution optical fiber ring network access way and the communication unit access way based on TD-LTE, RS 232 serial ports and UART interface, is applicable to based on GPRS APN communication unit access way.
Master control set 200 is encrypted for the data message received first interface circuit 100 and the second interface circuit 300, decipher, sign, sign test and protocol stack process, load SM cryptographic algorithm in master control set 200, master control set 200 is encrypted certification according to SM cryptographic algorithm.It may be noted that it is that master control set 200 realizes its function and do not rely on the improvement of method software, the realization of its function is brought (SM cryptographic algorithm is a kind of known cryptographic algorithm) by existing hardware equipment.
Second interface circuit 300 is connected with distribution terminal, and after the deciphering that forwarding monitoring system for power distribution networks main website is assigned, remote-control data is to distribution terminal, and receives the remote signalling and telemetry of distribution terminal sending distribution line expressly, is transmitted to master control set 200 and is encrypted.Second interface circuit 300 comprises Ethernet interface and/or RS232 serial ports, and Ethernet interface is applicable to the distribution terminal of Ethernet interface mode, and RS 232 serial ports is applicable to the distribution terminal of RS232 mode.
The utility model distribution terminal encryption device, comprise the first interface circuit 100, master control set 200, second interface circuit 300 that connect successively, wherein, described master control set 200 is loaded with SM cryptographic algorithm, SM cryptographic algorithm is built in master control set 200, realize encrypting and authenticating function, avoid USB KEY to cause because of stolen illegally accessing power distribution network problem, distribution terminal safety can be guaranteed.
Wherein in an embodiment, described master control set 200 comprises master controller chip, SM cryptographic algorithm chip, RAM chip and flash chip, and wherein, described SM cryptographic algorithm chip is loaded with SM cryptographic algorithm; Described SM cryptographic algorithm chip, described RAM chip and described flash chip are connected with described main controller chip respectively.
Adopt SM cryptographic algorithm chip as association's process chip, be responsible for encryption, deciphering, signature and sign test.Master controller chip is responsible for network protocol stack process.RAM chip can be considered as the high-speed internal memory of the utility model distribution terminal encryption device, for depositing message buffering and the stacked data of the utility model distribution terminal encryption device.Flash chip, for depositing the firmware program of the utility model distribution terminal encryption device.
Wherein in an embodiment, described master control set 200 is the Soc crypto chip of SM algorithm.
In the present embodiment, Soc crypto chip is adopted to realize encryption, deciphering, signature, sign test and network protocol stack processing capacity.
As shown in Figure 2, wherein in an embodiment, described distribution terminal encryption device also comprises work condition indicator 400, and described work condition indicator 400 is connected with described master control set 200.
Wherein in an embodiment, described work condition indicator 400 is indicator light.
Work condition indicator 400 can be the device such as indicator light, liquid crystal display, and it is mainly used in the operating state (encrypted state and malfunction etc.) showing the utility model distribution terminal encryption device.When work condition indicator is indicator light, different colours can be lighted by indicator light and/or indicator light flicker frequency characterizes different operating states.
As shown in Figure 2, wherein in an embodiment, described distribution terminal encryption device also comprises power module 500, and described power module 500 is connected with described master control set 200.
Wherein in an embodiment, described power module 500 comprises voltage stabilizing chip and power supply, and described power supply is connected with described master control set 200 by described voltage stabilizing chip.
Power module 400 provides electric energy for other assembly of the utility model distribution terminal encryption device, and non-essential power module comprises voltage stabilizing chip and power supply, voltage stabilizing chip for maintaining input voltage value stabilization, the direct current for 9-36 volt that power supply is preferential.
As shown in Figure 3, wherein in an embodiment, described first interface circuit 100 comprises a RJ45 interface block, the first selection circuit, the first Ethernet transformer chip and the one 232 level transferring chip, a described RJ45 interface block is connected with described first selection circuit, described first selection circuit is connected with described first Ethernet transformer chip and described one 232 level transferring chip, and described first Ethernet transformer chip is connected with described master control set 200 respectively with described one 232 level transferring chip;
Described second interface circuit 300 comprises the 2nd RJ45 interface block, the second selection circuit, second too net transformer chip and the 2 232 level transferring chip, described 2nd RJ45 interface block is connected with described second selection circuit, described second selection circuit is connected with described second Ethernet transformer chip and described 2 232 level transferring chip, and described second Ethernet transformer chip is connected with described master control set 200 respectively with described 2 232 level transferring chip.
In the present embodiment, the utility model distribution terminal encryption device can be applicable to the common distribution terminal form of " serial ports-network interface ", " serial ports-serial ports ", " network interface-serial ports " and " network interface-network interface " four kinds.Specifically, RJ45 interface block connects up with Ethernet transformer chip and 232 level transferring chip respectively.When the utility model distribution terminal encryption device element welds, when needs are deployed as network interface, then only weld Ethernet transformer chip and do not weld 232 level transferring chip.When needs are deployed as serial ports, then only weld 232 level transferring chip and do not weld Ethernet transformer chip.
As shown in Figure 4, wherein in an embodiment, described first interface circuit 100 comprises a RJ45 interface block and the first Ethernet transformer chip, a described RJ45 interface block is connected with described first Ethernet transformer chip, and described first Ethernet transformer chip is connected with described master control set 200;
Described second interface circuit 300 comprises the 2nd RJ45 interface block and the second Ethernet transformer chip, and described 2nd RJ45 interface block is connected with described second Ethernet transformer chip, and described second Ethernet transformer chip is connected with described master control set 200.
In the present embodiment, the utility model distribution terminal encryption device adopts RJ45 and Ethernet transformer chip to form first interface circuit 100 and the second interface circuit 300, thus is suitable for the distribution terminal of " network interface-network interface " pointedly.
As shown in Figure 5, wherein in an embodiment, described first interface circuit 100 comprises RJ45 interface block and Ethernet transformer chip, and described RJ45 interface block is connected with described Ethernet transformer chip, and described Ethernet transformer chip is connected with described master control set 200;
Described second interface circuit 300 comprises 232 level transferring chip and DB9 interface block, and described DB9 interface block is connected with described 232 level transferring chip, and described 232 level transferring chip are connected with described master control set 200.
In the present embodiment, the utility model distribution terminal encryption device adopts RJ45 and Ethernet transformer chip to form first interface circuit 100, adopt 232 level transferring chip and DB9 interface block to form the second interface circuit 300, thus be suitable for the distribution terminal of " network interface-serial ports " pointedly.
It may be noted that in the above-described embodiments, in order to distinguish the device adopting multiple same names in same embodiment, have employed first, second to distinguish, but the device that above-mentioned differentiation does not limit same names is the device of same model or different model.Such as, the first Ethernet transformer chip, the second Ethernet transformer chip can be the chip of same model also can be the chip of different models, and it specifically selects need the application scenarios according to the utility model distribution terminal encryption device and determine.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a distribution terminal encryption device, is characterized in that, comprise the first interface circuit, master control set, the second interface circuit that connect successively, wherein, described master control set is loaded with SM cryptographic algorithm;
Described first interface circuit comprises at least one in Ethernet interface, RS 232 serial ports and UART interface three kinds, and described second interface circuit comprises Ethernet interface and/or RS 232 serial ports.
2. distribution terminal encryption device according to claim 1, is characterized in that, described master control set comprises master controller chip, SM cryptographic algorithm chip, RAM chip and flash chip, and wherein, described SM cryptographic algorithm chip is loaded with SM cryptographic algorithm;
Described SM cryptographic algorithm chip, described RAM chip and described flash chip are connected with described main controller chip respectively.
3. distribution terminal encryption device according to claim 1, is characterized in that, described master control set is the Soc crypto chip of SM algorithm.
4. the distribution terminal encryption device according to claim 1 or 2 or 3, it is characterized in that, also comprise work condition indicator, described work condition indicator is connected with described master control set.
5. distribution terminal encryption device according to claim 4, is characterized in that, described work condition indicator is indicator light.
6. the distribution terminal encryption device according to claim 1 or 2 or 3, it is characterized in that, also comprise power module, described power module is connected with described master control set.
7. distribution terminal encryption device according to claim 6, is characterized in that, described power module comprises voltage stabilizing chip and power supply, and described power supply is connected with described master control set by described voltage stabilizing chip.
8. the distribution terminal encryption device according to claim 1 or 2 or 3, is characterized in that,
Described first interface circuit comprises a RJ45 interface block, the first selection circuit, the first Ethernet transformer chip and the one 232 level transferring chip, a described RJ45 interface block is connected with described first selection circuit, described first selection circuit is connected with described first Ethernet transformer chip and described one 232 level transferring chip, and described first Ethernet transformer chip is connected with described master control set respectively with described one 232 level transferring chip;
Described second interface circuit comprises the 2nd RJ45 interface block, the second selection circuit, second too net transformer chip and the 2 232 level transferring chip, described 2nd RJ45 interface block is connected with described second selection circuit, described second selection circuit is connected with described second Ethernet transformer chip and described 2 232 level transferring chip, and described second Ethernet transformer chip is connected with described master control set respectively with described 2 232 level transferring chip.
9. the distribution terminal encryption device according to claim 1 or 2 or 3, is characterized in that,
Described first interface circuit comprises a RJ45 interface block and the first Ethernet transformer chip, and a described RJ45 interface block is connected with described first Ethernet transformer chip, and described first Ethernet transformer chip is connected with described master control set;
Described second interface circuit comprises the 2nd RJ45 interface block and the second Ethernet transformer chip, and described 2nd RJ45 interface block is connected with described second Ethernet transformer chip, and described second Ethernet transformer chip is connected with described master control set.
10. the distribution terminal encryption device according to claim 1 or 2 or 3, is characterized in that,
Described first interface circuit comprises RJ45 interface block and Ethernet transformer chip, and described RJ45 interface block is connected with described Ethernet transformer chip, and described Ethernet transformer chip is connected with described master control set;
Described second interface circuit comprises 232 level transferring chip and DB9 interface block, and described DB9 interface block is connected with described 232 level transferring chip, and described 232 level transferring chip are connected with described master control set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281723.3U CN204559595U (en) | 2015-04-30 | 2015-04-30 | Distribution terminal encryption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281723.3U CN204559595U (en) | 2015-04-30 | 2015-04-30 | Distribution terminal encryption device |
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| CN204559595U true CN204559595U (en) | 2015-08-12 |
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| CN201520281723.3U Active CN204559595U (en) | 2015-04-30 | 2015-04-30 | Distribution terminal encryption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765909A (en) * | 2018-05-31 | 2018-11-06 | 广东电网有限责任公司 | A kind of 10 kilovolts of power switching circuitry wireless control systems |
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2015
- 2015-04-30 CN CN201520281723.3U patent/CN204559595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765909A (en) * | 2018-05-31 | 2018-11-06 | 广东电网有限责任公司 | A kind of 10 kilovolts of power switching circuitry wireless control systems |
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