11 results about "CPU card" patented technology

The invention discloses an internet-of-things communication encryption system for CPU card management, and relates to the technical field of internet-of-things encryption, the internet-of-things communication encryption system comprises an initialization module, a card issuing module, a card reading module and a platform end, a distributed key library is constructed, and according to an authority control mechanism of an alliance chain of the distributed key library, the card issuing module and the card reading module are encrypted. The platform secret key, the manufacturer secret key, the tenant secret key and the project secret key are stored in an isolated mode and are only authorized to be used by the corresponding platform, the manufacturer, the tenant and the project, and under the condition that permission of the opposite side is not obtained, the secret keys cannot be called in an unauthorized mode. The design of segmented keys is adopted, so that a platform, a manufacturer, a tenant and a project respectively hold independent key segments, the problem caused by leakage of a single key is reduced to the minimum, even if an attacker gets one key, the attacker cannot read data of a CPU card, and the data of the CPU card cannot be read by the attacker. Even if an attacker cracks the platform key, the attacker cannot communicate with the initialization device, the card issuing device and the card reading device.

The utility model relates to an encryption CPU card reader, which comprises a control processing unit and a structural shell, the control processing unit is a core processing center of the encryption CPU card reader, completes input and output control, card reading and verification operation of the card reader, and has the functions of record management, authority management, alarm, data encryption and the like, the control processing unit comprises an MCU module, a signal input module, an anti-disassembly module, a Wiegand output module, an acoustic lamp control module, a PSAM card read-write module and a radio frequency circuit module. And the structural shell is an installation platform of the control processing unit, has dustproof, shockproof and waterproof performances and the like so as to adapt to use under various environmental conditions, and meanwhile, facilitates the overall installation of the card reader under various installation environments. The encrypted CPU card reader disclosed by the utility model is a card reading device applied to an access control system and an attendance system, and is used for reading the information of the CPU card encrypted by an algorithm, encrypting and decrypting by adopting the algorithm, and ensuring the safety of the information of the CPU card.

The application discloses a kind of distributed PLC edge computing systems, comprising: including several PLC units, the PLC unit includes CPU card piece, IO card piece, edge computing card piece and alarm device, the CPU card piece is connected with IO card piece and edge computing card piece respectively, IO card piece and alarm device are connected;The IO card piece is used to obtain the original data required for edge computing and is transmitted to CPU card piece, and receives alarm instruction from CPU and drives alarm device;The CPU card piece is used to forward the model parameter required for edge computing, original data to edge computing card piece, and decides whether to issue alarm instruction according to the calculation result of edge computing card piece;The edge computing card piece is used to calculate according to the original data received to determine whether to alarm;The alarm device is used to alarm according to the received alarm instruction;The application can greatly improve the efficiency and stability of system processing data.

This invention discloses a CPU card security authentication system, relating to the field of CPU card security encryption technology. It includes a consortium blockchain, property management cloud, M2M soft bus, card issuing device, and card reading device. The system constructs a distributed asset management technology based on blockchain, managing device assets, card assets, and key assets separately. It shares keys through the blockchain and achieves network-independent direct communication via the M2M soft bus. This is applied to CPU card issuing and synchronization operations, ensuring end-to-end encrypted communication is not intercepted or cracked by any third party. This invention combines IoT technology, key segmentation technology, and blockchain technology to achieve distributed asset management and end-to-end encryption, thereby achieving secure authentication of CPU cards at a lower cost and solving the problem of widespread CPU card application.

The invention discloses a CPU card security authentication system, and relates to the technical field of security encryption of CPU cards, the CPU card security authentication system comprises an alliance chain, a property cloud, an M2M soft bus, card issuing equipment and card reading equipment, and a distributed asset management technology is constructed based on a block chain to manage equipment assets, card assets and key assets respectively; a key is shared through a block chain, direct communication irrelevant to a network environment is realized through an M2M soft bus, and the method is applied to CPU card issuing operation and CPU card synchronization operation to realize that end-to-end encrypted communication is not intercepted and cracked by any third party. According to the invention, the IoT technology, the key segmentation technology and the block chain technology are combined, the distributed asset management technology and the end-to-end encryption technology are realized, the security authentication of the CPU card is realized at a low cost, and the problem of wide application of the CPU card is solved.

Embodiments of the present application provide an entity identity authentication method for a quantum access control system. The system comprises a cryptographic CPU card, a cryptographic card reader, an access control system and a quantum cryptographic service platform, wherein the cryptographic CPU card, as an entity to be authenticated, is pre-charged with a key; the cryptographic card reader, as an authenticating entity, authenticates an identity credential of the entity to be authenticated; the access control system is used for storing, managing and authorizing user information; and the quantum cryptographic service platform is used for providing a quantum key, generating a salt required for authentication, and providing a cryptographic service. The novel identity authentication method based on electronic tag authentication is used between the entities so as to implement identity authentication between the card and the card reader. Compared with a conventional access control system, the embodiments of the present application support online authorization, enable unlocking in a power-off offline mode, enhance the difficulty of identity authentication between the entities by means of the quantum key, have high security, scalability and practicability, and comply with a cryptographic standard.

The invention relates to the field of servers, in particular to a server system, which comprises a barrel body with a connecting disc fixed at the upper end, a bottom plate fixed at the lower end of the barrel body, an annular cavity channel arranged on the bottom plate, an annular plate connected in the annular cavity channel, two communicating pipes arranged on the annular plate and a plurality of mounting strips penetrating through the side surface of the barrel body, a plurality of mounting grooves are formed in each mounting strip and are used for inserting CPU (Central Processing Unit) cards. The two ends of each mounting strip penetrate through the connecting disc and the bottom plate, a shifting plate is fixed to the middle of each mounting strip and located in the barrel body, a center shaft is rotationally arranged at the center of the connecting disc and the center of the bottom plate, a reciprocating groove is formed in the center of the center shaft, and the center of the shifting plate is slidably connected with the reciprocating groove. The LED lamp has good heat dissipation capability.

The application provides a CPU card security vulnerability detection method based on side channel communication analysis, comprising radio frequency signal sniffing and original data packet capturing, original data processing based on triple clue filtering method, interactive data security analysis based on characteristic factors and security analysis result output. The application realizes accurate detection and quantitative evaluation of CPU card security vulnerabilities through passive sniffing, data repair, feature extraction, multi-dimensional security analysis and optional replay verification, realizes accurate repair and feature extraction of sniffed data through the triple clue filtering method, forms a self-optimizing iteration mechanism combined with machine learning, establishes a quantitative security analysis system from two dimensions of random number properties and encryption correlation, and realizes full-dimensional and accurate detection of CPU card security vulnerabilities in cooperation with the replay verification.

The invention provides an off-line identity verification method and system based on a CPU card, a terminal and the CPU card. The method comprises the steps of obtaining an encrypted data packet, current verification time and a verification scene type of a CPU card; reading an encrypted data packet, wherein the encrypted data packet comprises a ciphertext obtained by encrypting identity information and authority rule data of a cardholder according to a preset encryption algorithm and a key; decrypting the encrypted data packet to obtain plaintext identity information and plaintext permission rule data of the cardholder; performing off-line verification on the plaintext identity information and the plaintext permission rule data according to the current verification time and the verification scene type to obtain an off-line verification result; if the offline verification result represents that the plaintext identity information and the plaintext permission rule data meet the preset identity verification requirements, an offline verification log is generated, and the offline identity verification method for the cardholder is completed, so that offline rapid verification and dynamic permission management and storage of the cardholder identity are realized, and the offline verification efficiency and accuracy are improved.

This invention discloses an IoT communication encryption system for CPU card management, relating to the technical field of IoT encryption. It includes an initialization module, a card issuing module, a card reading module, and a platform. A distributed key store is constructed, and based on the access control mechanism of the distributed key store's consortium blockchain, the platform key, manufacturer key, tenant key, and project key are stored in isolation and authorized only to their respective platforms, manufacturers, tenants, and projects. Without the other party's permission, unauthorized access to the keys is impossible. The segmented key design ensures that the platform, manufacturer, tenant, and project each hold their own independent key segment, minimizing the problems caused by the leakage of a single key. Even if an attacker obtains one of the keys, they cannot read the CPU card data; even if an attacker cracks the platform key, they cannot communicate with the initialization device, card issuing device, or card reading device.

The invention discloses a high-capacity communication management device and a configuration method, and relates to the technical field of electrical energy. The device comprises a core card group, an expansion card group and a special backboard. The core card set is composed of a main CPU card, a man-machine interaction interface MMI card and a power management card. The expansion card group comprises at least one hot-pluggable expansion sub-card, and the expansion sub-card comprises a network interface CPU (Central Processing Unit) card, and / or a serial interface CPU card, and / or a CAN (Controller Area Network) bus CPU card. And the special backboard is used for physical connection and data transmission between the core card group and the expansion card group. Wherein the main CPU card and each expansion sub-card run an independent operating system and a publish-subscribe message bus, and perform data interaction through the message bus. The invention constructs a communication management device with large capacity, high reliability, easy expansibility and convenient operation and maintenance, so as to improve the overall performance and engineering applicability of an electric power communication system.