Encrypted circuit
By designing a simple encryption circuit structure, using the combined connection of the encryption chip and the transmission circuit, the existing encryption circuit complex and cost-effective data encryption function is solved, and the low-cost effective data encryption function is realized.
Patent Information
- Application Number
- CN202420591689.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-26
AI Technical Summary
Existing computer encryption circuits are too complex and have high design costs, making it difficult to meet the low-cost information security needs.
An encryption circuit including an encryption chip, a first transmission circuit and a second transmission circuit is designed. It adopts a simple circuit structure and connects the encryption chip and the main control chip through a combination of resistors and capacitors. The model is NPCT760AABYX to realize the data encryption function.
The encryption circuit is simple in structure and low in cost, while meeting the effective data encryption function, reducing the design and use costs.
Smart Images

Figure CN222260054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of encryption, in particular to an encryption circuit. Background Art
[0002] With the improvement of living standards, computers have become an important tool for people's daily office and study. Computers can store important information of many users, so information security is particularly important. In the field of information security, encryption technology can use various encryption algorithms to convert data into ciphertext for transmission, and then use the corresponding decryption algorithm to restore the original data after the ciphertext reaches the destination. Existing computer encryption circuits are often too complicated and have high design costs. Utility Model Content
[0003] In order to overcome the deficiencies of the prior art, the utility model aims to provide an encryption circuit with a simple circuit structure and low cost.
[0004] The purpose of the utility model is achieved by the following technical solutions:
[0005] The utility model provides an encryption circuit, including an encryption chip, a first transmission circuit and a second transmission circuit, one end of the first transmission circuit and one end of the second transmission circuit are both connected to the encryption chip, the other end of the second transmission circuit is connected to an external main control chip, the first transmission circuit is connected to the second transmission circuit, and the model of the encryption chip is NPCT760AABYX.
[0006] In the utility model, as an optional embodiment, the first transmission circuit includes a resistor R7317, a resistor R7320, a capacitor C2324, a capacitor C2320, a capacitor C2323, a capacitor C2321 and a capacitor C2322, one end of the capacitor C2324, one end of the capacitor C2320 and one end of the resistor R7317 are all connected to a DC, the other end of the capacitor C2324 and the other end of the capacitor C2320 are both grounded, the other end of the resistor R7317 and one end of the capacitor C2323 are both connected to one end of the capacitor C2321, one end of the capacitor C2321 and one end of the capacitor C2322 are both connected to one end of the resistor R7320, the other end of the capacitor C2323, the other end of the capacitor C2321 and the other end of the capacitor C2322 are all grounded, and the other end of the capacitor C2322 is connected to the encryption chip through the resistor R7320.
[0007] In the present utility model, as an optional embodiment, the second transmission circuit includes a resistor R7321 and a resistor R7322, one end of the resistor R7321 and one end of the resistor R7322 are both connected to one end of the capacitor C2321, the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an external main control chip, and the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an encryption chip.
[0008] In the present utility model, as an optional embodiment, the resistor R7320 is also connected to the encryption chip through the resistor R30110.
[0009] Compared with the prior art, the beneficial effects of the present invention are:
[0010] The encryption circuit of the utility model has a simple structure, low design cost and low use cost, and can effectively encrypt data while meeting the low cost requirement. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the circuit structure of the encryption chip and the second transmission circuit of an embodiment of the utility model;
[0012] Figure 2 It is a schematic diagram of the point structure of the first transmission circuit of an embodiment of the utility model. DETAILED DESCRIPTION
[0013] Below, in conjunction with the accompanying drawings and specific embodiments, the utility model is further described. It should be noted that, under the premise of no conflict, the various embodiments described below or the various technical features can be arbitrarily combined to form a new embodiment. Except for special instructions, the materials and equipment used in this embodiment can be purchased from the market. Examples of embodiments are shown in the accompanying drawings, in which the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0014] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In the description of the present application, "plurality" means two or more, unless otherwise precisely and specifically specified.
[0015] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be connected through an intermediary medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0016] The terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0017] The encryption circuit provided by the embodiment of the present application has a simple structure, low design cost and low use cost, and can effectively encrypt data while meeting the low cost requirement.
[0018] Please refer to Figure 1-2 As shown, the encryption circuit provided in this embodiment includes an encryption chip, a first transmission circuit and a second transmission circuit, one end of the first transmission circuit and one end of the second transmission circuit are both connected to the encryption chip, the other end of the second transmission circuit is connected to an external main control chip, the first transmission circuit is connected to the second transmission circuit, and the model of the encryption chip is NPCT760AABYX.
[0019] Among them, the first transmission circuit includes a resistor R7317, a resistor R7320, a capacitor C2324, a capacitor C2320, a capacitor C2323, a capacitor C2321 and a capacitor C2322, one end of the capacitor C2324, one end of the capacitor C2320 and one end of the resistor R7317 are all connected to a DC, the other end of the capacitor C2324 and the other end of the capacitor C2320 are grounded, the other end of the resistor R7317 and one end of the capacitor C2323 are connected to one end of the capacitor C2321, one end of the capacitor C2321 and one end of the capacitor C2322 are connected to one end of the resistor R7320, the other end of the capacitor C2323, the other end of the capacitor C2321 and the other end of the capacitor C2322 are all grounded, and the other end of the capacitor C2322 is connected to the encryption chip through the resistor R7320. Specifically, the resistor R7320 is also connected to the encryption chip through the resistor R30110.
[0020] The second transmission circuit includes a resistor R7321 and a resistor R7322, one end of the resistor R7321 and one end of the resistor R7322 are both connected to one end of the capacitor C2321, the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an external main control chip, and the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an encryption chip.
[0021] Although only certain components and embodiments of the present application have been illustrated and described, many modifications and changes may be conceived by those skilled in the art without actually departing from the scope and spirit of the claims, such as changes in the size, dimensions, structure, shape and proportion of the various elements, mounting arrangements, material usage, color, orientation, etc.
[0022] The above-mentioned implementation mode is only a preferred implementation mode of the embodiment of the utility model, and cannot be used to limit the scope of protection of the embodiment of the utility model. Any non-substantial changes and replacements made by technical personnel in this field on the basis of the embodiment of the utility model shall fall within the scope of protection required by the embodiment of the utility model.
Claims
1. An encryption circuit, characterized in that: It includes an encryption chip, a first transmission circuit and a second transmission circuit. One end of the first transmission circuit and one end of the second transmission circuit are both connected to the encryption chip, and the other end of the second transmission circuit is connected to an external main control chip. The first transmission circuit is connected to the second transmission circuit. The model of the encryption chip is NPCT760AABYX.
2. The encryption circuit according to claim 1, characterized in that: The first transmission circuit includes resistor R7317, resistor R7320, capacitor C2324, capacitor C2320, capacitor C2323, capacitor C2321 and capacitor C2322, one end of capacitor C2324, one end of capacitor C2320 and one end of resistor R7317 are all connected to a DC, the other end of capacitor C2324 and the other end of capacitor C2320 are both grounded, the other end of resistor R7317 and one end of capacitor C2323 are both connected to one end of capacitor C2321, one end of capacitor C2321 and one end of capacitor C2322 are both connected to one end of resistor R7320, the other end of capacitor C2323, the other end of capacitor C2321 and the other end of capacitor C2322 are all grounded, and the other end of capacitor C2322 is connected to the encryption chip through resistor R7320.
3. The encryption circuit according to claim 2, characterized in that: The second transmission circuit includes a resistor R7321 and a resistor R7322, one end of the resistor R7321 and one end of the resistor R7322 are both connected to one end of the capacitor C2321, the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an external main control chip, and the other end of the resistor R7321 and the other end of the resistor R7322 are respectively connected to an encryption chip.
4. The encryption circuit according to claim 2, characterized in that: The resistor R7320 is also connected to the encryption chip via the resistor R30110.