Data stream security gateway based on privacy calculation

Abstract

The utility model discloses a data stream security gateway based on privacy computing, which comprises an Ethernet module, a network interface, a network transformer, a clock module and a power supply module, the network interface is connected with a primary coil of the network transformer, a secondary coil of the network transformer is connected with a communication interface of the Ethernet module, and the clock module is connected with the Ethernet module. The clock module is connected to a clock interface of the Ethernet module, and the power supply module is used for supplying power. According to the utility model, the network transformer is arranged between the Ethernet module and the network interface, interference signals are removed through the network transformer, and the use safety of the gateway can be ensured.

Description

Technical Field

[0001] This utility model discloses a gateway, specifically a data stream security gateway based on privacy computing, belonging to the field of communication data stream privacy computing technology. Background Technology

[0002] With the rapid development of the Internet, the Internet of Things, and big data technologies, data traffic is growing at a rapid pace. However, the security and privacy protection of data streams also require attention.

[0003] In computer networks, a gateway is a device used for communication and protocol conversion between different networks. Gateways typically sit between two or more networks, acting as a bridge for data transmission between them, especially for forwarding and converting data between networks with different communication protocols or architectures. It is an important network component, commonly used to connect different types of networks, such as connecting a Local Area Network (LAN) to a Wide Area Network (WAN), or connecting an internal network to the external Internet.

[0004] As can be seen from the above, gateways play a crucial role in network communication. As gateways in existing technologies are at the forefront of the network, they are inevitably subject to interference from external signals during use. How to solve the problem of external interference and ensure the security of gateway use has always been a problem that has plagued the entire industry. Summary of the Invention

[0005] To address the problem of interference from external signals in network communication in existing gateways, as mentioned above, this invention provides a data flow security gateway based on privacy computing. It has a network transformer between the Ethernet module and the network interface to remove interference signals and ensure the security of the gateway.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a data flow security gateway based on privacy computing. The gateway includes an Ethernet module, a network interface, a network transformer, a clock module and a power supply module. The network interface is connected to the primary coil of the network transformer, the secondary coil of the network transformer is connected to the communication interface of the Ethernet module, the clock module is connected to the clock interface of the Ethernet module, and the power supply module is used for power supply.

[0007] The technical solution adopted by this utility model to solve its technical problem further includes:

[0008] The Ethernet module has a first power filter module connected to its power supply terminal AVDD33. The first power filter module includes an inductor FB7, a capacitor AC16, and a capacitor C563. The inductor FB7 is connected in series between the positive power supply and the power supply terminal AVDD33 of the single-port PHY chip U62. The capacitors AC16 and C563 are connected in parallel between the power supply terminal AVDD33 of the single-port PHY chip U62 and ground.

[0009] A second power filter module is connected to the power input / output terminal VDD_IO of the Ethernet module. The second power filter module includes an inductor FB7011 and a capacitor C562. The inductor FB7011 is connected in series between the positive power supply and the power input / output terminal VDD_IO of the single-port PHY chip U62, and the capacitor C562 is connected between the power input / output terminal VDD_IO of the single-port PHY chip U62 and ground.

[0010] The network interface is an RJ-45 interface J83.

[0011] The TX+, TX-, RX+, and RX- interfaces of the network interface are respectively connected to the TX+, TX-, RX+, and RX- interfaces in the primary coil of the network transformer U2501, and the TXN1, TXP1, RXN1, and RXP1 interfaces in the secondary coil of the network transformer are respectively connected to the TXN1, TXP1, RXN1, and RXP1 interfaces of the Ethernet module.

[0012] A primary filter module for the network transformer is connected to the center tap of the primary coil of the network transformer. The primary filter module includes a resistor R2510 and a capacitor C246. The resistor R2510 and the capacitor C246 are connected in series between the center tap of the primary coil of the network transformer U2501 and ground. A transient suppression diode ED42 is also connected between the center tap of the primary coil of the network transformer U2501 and ground.

[0013] In the secondary coil of the network transformer, filter capacitors C2513 and C2514 are connected between the center tap and ground, respectively.

[0014] The TXN1, TXP1, RXN1 and RXP1 interfaces in the secondary coil of the network transformer are respectively connected to ground by transient suppression diodes D2703, D2704, D2705 and D2706.

[0015] The power module includes a power management module, a lithium battery interface, a +5V voltage regulator module, and a +3.3V voltage regulator module. The power input terminal of the power management module is connected to a power input interface, and the power output terminal of the power management module is connected to a lithium battery interface for connecting a lithium battery. The +5V voltage regulator module and the +3.3V voltage regulator module are respectively connected to the positive power terminal of the lithium battery interface.

[0016] The beneficial effects of this utility model are: a network transformer is set between the Ethernet module and the network interface, which removes interference signals and ensures the security of the gateway.

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a circuit block diagram of the present invention.

[0019] Figure 2 This is a circuit diagram of the network transformer part of this utility model.

[0020] Figure 3 This is a circuit diagram of the Ethernet module in this utility model.

[0021] Figure 4 This is a circuit diagram of the clock module in this utility model.

[0022] Figure 5 This is a circuit diagram of the interface module in this utility model.

[0023] Figure 6 This is a circuit diagram of the display filtering module in this utility model.

[0024] Figure 7 This is a circuit diagram of the power management section in this utility model.

[0025] Figure 8 This is a circuit diagram of the lithium battery interface section in this utility model.

[0026] Figure 9 This is a circuit diagram of the +5V voltage regulator module in this utility model.

[0027] Figure 10 This is a circuit diagram of the +3.3V voltage regulator module in this utility model. Detailed Implementation

[0028] This embodiment is a preferred embodiment of the present invention. All other embodiments that are the same as or similar to this embodiment in principle and basic structure are within the protection scope of the present invention.

[0029] Please refer to the appendix for details. Figure 1 To be continued Figure 10 This utility model mainly protects a data flow security gateway based on privacy computing, which mainly includes an Ethernet module, a network interface, a network transformer, a clock module and a power supply module. The network interface is connected to the primary coil of the network transformer, the secondary coil of the network transformer is connected to the communication interface of the Ethernet module, the clock module is connected to the clock interface of the Ethernet module, and the power supply module is used for power supply.

[0030] In this embodiment, the Ethernet module uses a single-port PHY chip U62 of model IP101GR. A first power filter module is connected to the power supply terminal AVDD33 of the single-port PHY chip U62. The first power filter module includes an inductor FB7, a capacitor AC16, and a capacitor C563. The inductor FB7 is connected in series between the positive power supply and the power supply terminal AVDD33 of the single-port PHY chip U62. The capacitors AC16 and C563 are connected in parallel between the power supply terminal AVDD33 of the single-port PHY chip U62 and ground. The capacitor AC16 can be a 10μF electrolytic capacitor, and the capacitor C563 is a 104 capacitor. A second power supply filter module is connected to the power input / output terminal VDD_IO of the single-port PHY chip U62. The second power supply filter module includes an inductor FB7011 and a capacitor C562. The inductor FB7011 is connected in series between the positive power supply and the power input / output terminal VDD_IO of the single-port PHY chip U62. The capacitor C562 is connected between the power input / output terminal VDD_IO of the single-port PHY chip U62 and ground. The capacitor C562 is a 104 capacitor.

[0031] In this embodiment, the clock module uses a 25MHz quartz crystal oscillator Y6001, which is connected to the clock interfaces X1 and X2 of the single-port PHY chip U62.

[0032] In this embodiment, the network interface adopts an RJ-45 interface J83, and the network transformer adopts a network transformer U2501 of model HR601680. The TX+, TX-, RX+, and RX- interfaces of the RJ-45 interface J83 are connected to the TX+, TX-, RX+, and RX- interfaces of the primary coil of the network transformer U2501, respectively. The primary filter module of the network transformer U2501 is connected to the middle tap of the primary coil of the network transformer U2501. The primary filter module of the network transformer includes a resistor R2510 and a capacitor C246. The resistor R2510 and the capacitor C246 are connected in series between the middle tap of the primary coil of the network transformer U2501 and ground. A transient suppression diode ED42 is also connected between the middle tap of the primary coil of the network transformer U2501 and ground, which can filter out spike pulses, etc. The TXN1, TXP1, RXN1, and RXP1 interfaces of the secondary coil of the network transformer U2501 are connected to the TXN1, TXP1, RXN1, and RXP1 interfaces of the single-port PHY chip U62, respectively. Filter capacitors C2513 and C2514 are connected between the center tap of the secondary coil of the network transformer U2501 and ground, respectively. Transient voltage suppression diodes D2703, D2704, D2705, and D2706 are connected between the TXN1, TXP1, RXN1, and RXP1 interfaces of the secondary coil of the network transformer U2501 and ground, respectively.

[0033] In this embodiment, the power module is powered by a lithium battery and mainly includes a power management module, a lithium battery interface, a +5V voltage regulator module, and a +3.3V voltage regulator module. The power management module uses a TCS6365 power management chip U9039. A power input interface is connected to the power input terminal of the power management module, and the power output terminal is connected to the lithium battery interface for connecting the lithium battery. The +5V and +3.3V voltage regulator modules are respectively connected to the positive power terminal of the lithium battery interface for power output. Specifically, the +5V voltage regulator module uses a SCT2360 power switching integrated circuit chip U9043, which converts the lithium battery output power into +5V power for supply. The +3.3V voltage regulator module uses a SY8113B DC-DC buck converter U2001, which converts the lithium battery output power into +3.3V power for supply.

[0034] This invention incorporates a network transformer between the Ethernet module and the network interface. The network transformer removes interference signals and ensures the security of the gateway.

Claims

1. A privacy computing based data stream security gateway, characterized in that: The gateway comprises an Ethernet module, a network interface, a network transformer, a clock module and a power module, the network interface is connected with a primary coil of the network transformer, a secondary coil of the network transformer is connected with a communication interface of the Ethernet module, the clock module is connected on a clock interface of the Ethernet module, and the power module is used for power supply.

2. The privacy compute based data flow security gateway of claim 1, wherein: The first power filter module is connected on a power supply end AVDD33 of the Ethernet module, and the first power filter module comprises an inductor FB7, a capacitor AC16 and a capacitor C563, the inductor FB7 is connected in series between a positive power supply and a power supply end AVDD33 of the single-port PHY chip U62, and the capacitor AC16 and the capacitor C563 are connected in parallel between the power supply end AVDD33 of the single-port PHY chip U62 and the ground.

3. The privacy compute based data flow security gateway of claim 1, wherein: The second power filter module is connected on a power input / output end VDD_IO of the Ethernet module, and the second power filter module comprises an inductor FB7011 and a capacitor C562, the inductor FB7011 is connected in series between a positive power supply and the power input / output end VDD_IO of the single-port PHY chip U62, and the capacitor C562 is connected between the power input / output end VDD_IO of the single-port PHY chip U62 and the ground.

4. The privacy compute based data flow security gateway of claim 1, wherein: The network interface adopts an RJ-45 interface J83.

5. The privacy compute based data flow security gateway of claim 1, wherein: TX+, TX-, RX+ and RX- interfaces of the network interface are respectively connected with TX+, TX-, RX+ and RX- interfaces in a primary coil of the network transformer U2501, and TXN1, TXP1, RXN1 and RXP1 interfaces in a secondary coil of the network transformer are respectively connected with TXN1, TXP1, RXN1 and RXP1 interfaces of the Ethernet module.

6. The privacy compute based data flow security gateway of claim 5, wherein: The network transformer primary filter module is connected on a middle tap in the primary coil of the network transformer, and the network transformer primary filter module comprises a resistor R2510 and a capacitor C246, the resistor R2510 and the capacitor C246 are connected in series between the middle tap in the primary coil of the network transformer U2501 and the ground, and a transient suppression diode ED42 is further connected between the middle tap in the primary coil of the network transformer U2501 and the ground.

7. The privacy compute based data flow security gateway of claim 5, wherein: The filter capacitor C2513 and the filter capacitor C2514 are respectively connected between a middle tap in the secondary coil of the network transformer and the ground.

8. The privacy compute based data flow security gateway of claim 5, wherein: The transient suppression diode D2703, the transient suppression diode D2704, the transient suppression diode D2705 and the transient suppression diode D2706 are respectively connected between the TXN1, TXP1, RXN1 and RXP1 interfaces in the secondary coil of the network transformer and the ground.

9. The privacy compute based data flow security gateway of claim 1, wherein: The power module comprises a power management module, a lithium battery interface, a +5V voltage stabilizing module and a +3.3V voltage stabilizing module, a power input interface is connected on a power input end of the power management module, a lithium battery interface for connecting a lithium battery is connected with a power output end of the power management module, and the +5V voltage stabilizing module and the +3.3V voltage stabilizing module are respectively connected with a positive power supply end of the lithium battery interface.

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