5427 results about "Firmware" patented technology

The invention discloses a server cooperative control method, a storage medium and electronic equipment, and relates to the technical field of firmware, and the method comprises the steps: employing a programmable logic device to actively take over the control authority of target equipment based on the operation parameters of a sensing device in a server starting stage, stable operation of equipment before initialization of the substrate management control device is not completed is ensured, a mechanism that a preset communication link and the substrate management control device are subjected to interactive verification is adopted, and the functional integrity and communication reliability of the substrate management control device during permission transfer are ensured through bidirectional communication verification. A dynamic permission recovery strategy based on real-time anomaly detection is adopted, control right reverse switching is triggered through a sensing device and communication link state dual monitoring mechanism, and the purpose of actively taking over equipment management responsibilities when a substrate management control device runs abnormally is achieved. Therefore, double improvement of system fault self-healing capability and equipment control continuity is realized, and the problem of difficulty in cooperative control among heterogeneous units is solved.

The invention relates to the technical field of server upgrading, and discloses a server firmware remote upgrading method and system, and the method comprises the steps: a management node obtains a device identifier list and target firmware version information of a to-be-upgraded server, and uses a distributed task scheduling algorithm to divide tasks; transmitting an upgrading instruction and a data packet through an encryption channel, and generating an incremental packet by using a differential upgrading technology; data transmission is guaranteed through heartbeat detection and breakpoint continuous transmission; after pre-verification of the server-side security sandbox, upgrading and isolating tasks in an idle period; verifying by adopting a gray release strategy, and automatically rolling back if the verification fails; and storing an upgrade state and a log by means of a block chain network. The system comprises corresponding function modules. According to the method, the upgrading efficiency, safety and reliability are improved, the influence on services is reduced, data cannot be tampered and can be traced, the problems existing in a traditional upgrading mode are effectively solved, and the method is suitable for various server firmware remote upgrading scenes.

The invention relates to the technical field of firmware protection, in particular to a firmware protection method and system based on a security coprocessor. The method comprises the following steps: acquiring characteristic data of the coprocessor; extracting hardware entropy source data according to the coprocessor feature data; generating a hardware trust root key based on the hardware entropy source data; performing partition processing on the firmware based on the hardware trust root key to obtain firmware partition data; constructing hierarchical verification structure data according to the firmware partition data; implementing firmware starting security verification based on the hierarchical verification structure data to obtain integrity verification data; establishing a secure communication channel between the processors according to the integrity verification data; executing a bidirectional authentication process based on the secure communication channel, and generating session key data; a firmware runtime environment is monitored based on the session key data. According to the method, the hardware entropy source is extracted by measuring the physical characteristics of the coprocessor, and an unforgeable hardware trust root is established, so that the security is improved fundamentally.

Method and system for analyzing software or firmware of computing systems to assess security properties includes loading predicate device input data including characteristics about predicate devices; translating predicate device input data into predicate device model data describing characteristics or dependencies of the predicate device input data relevant to the analysis; determining digital twin configuration data used to configure digital twin; loading the digital twin configuration data onto the digital twin; storing configuration data in the memory; instructing the digital twin to configure itself to implement the loaded digital twin configuration data; determining security analysis to be carried out on the digital twin; simulating the predicate device; executing security analysis on the digital twin; generating output data describing the result of execution of the security analysis; storing output data pertaining to the result; and determining if the result satisfies a predetermined condition, and if so, executing action corresponding to the result.

The invention relates to the technical field of hard disk testing and verification, in particular to a multi-thread-based solid state disk reliability automatic testing method and system.The method comprises the steps that firstly, SMART information is deeply analyzed through microsecond-level high-granularity continuous performance monitoring, and multi-thread parallel processing is assisted; according to the method, fine performance fluctuation of the solid state disk under the concurrent load can be quickly captured, a fault mode can be identified, then early warning is realized by utilizing the extracted multi-dimensional features and a machine learning model, and a detailed fault diagnosis report is generated; and through dynamic error correction code strength verification and data integrity verification under pressure, an internal error correction mechanism of the solid state disk is actively detected and optimized. And finally, in combination with prediction reliability modeling, the system can estimate the remaining service life and predict faults, and provides product optimization suggestions for design, manufacturing and firmware optimization of the solid state disk, so that automation, intelligence and full life cycle management of the fault detection reliability of the solid state disk are realized.

The invention relates to the technical field of image super-resolution enhancement, in particular to a tablet computer image super-resolution enhancement method based on a generative adversarial network. The method comprises the following steps: collecting an image through a tablet computer, and carrying out regional illumination component calculation on the image to obtain detailed illumination component data; secondly, quantizing the motion out-of-focus fuzzy degree based on the illumination data, generating track fuzzy intensity sensing data, performing 3D modeling by combining the data, and estimating the distortion trend of the image; then, a shooting error is eliminated by using rendering visual angle distortion correction, a more real visual angle effect is generated, and super-resolution enhancement is performed on the image by using a generative adversarial network, and image details are improved. And finally, designing automatic firmware based on the super-resolution enhanced data, and embedding the automatic firmware into a tablet computer control system. According to the method, the image super-resolution enhancement technology is optimized, so that the image super-resolution enhancement technology is more perfect.

The invention discloses an extension equipment function configuration method and device, computer equipment and a storage medium, and relates to the technical field of data processing. According to the method, a hardware and firmware collaborative dynamic configuration framework is constructed, and a receiving queue is adopted at an extension equipment end to trigger a central processing unit firmware processing mechanism; in combination with virtualization design of a shadow configuration space and a shadow register, dynamic reconstruction of configuration parameters and an address mapping strategy during operation is realized; a host end supports configuration space access, base address register remapping and memory data transmission interaction through a transaction generation and routing mechanism driven by an event type. Hardware solidification limitation of traditional extension equipment is broken through through software and hardware decoupling design, the problems that function extension capacity is insufficient, resource dynamic allocation is difficult and protocol updating and virtualization scenes cannot be adapted are solved, and the technical effects of improving configuration reconstruction efficiency and address space utilization rate and supporting virtual function creation are achieved. And the adaptability of the equipment in cloud computing and edge computing environments is enhanced.

Provided is a process, including: accessing, with a processor of an embedded computing device, immutable executable code stored in read-only memory of the embedded computing device; executing, with the processor of the embedded computing device, instructions of the immutable executable code that retrieve, from the read-only memory, a network-layer address of a tamper-evident, immutable data repository and an application-layer address of firmware of the embedded computing device stored in the tamper-evident, immutable data repository; executing, with the processor of the embedded computing device, instructions of the immutable executable code that, using the network-layer address and the application-layer address, download the firmware of the embedded computing device from the tamper-evident, immutable data repository; and executing, with the processor of the embedded computing device, instructions of the immutable executable code that store the downloaded firmware in re-writeable memory of the embedded computing device.

The invention provides an energy storage cabin terminal remote upgrading method and system based on communication protocol optimization, and relates to the technical field of digital information transmission, and the method comprises the steps: deploying a bandwidth detection mechanism, adjusting a self-adaptive block transmission strategy, and dividing upgrading firmware into M dynamic data packets; constructing a dual-path transmission layer, and configuring a dual-path redundancy check mechanism; a missing block query rule is adopted, and a local flash memory is used for caching Hash check values of the received N dynamic data packets; analyzing a mapping relation between the block index and a multi-path redundancy check mechanism, and establishing a check mapping table; and performing real-time verification and state marking, and configuring a remote upgrading process to execute the upgrading operation of the energy storage cabin terminal equipment after incremental recombination is performed by comparing and verifying abnormal data packets. According to the invention, the technical problem of insufficient reliability of data transmission caused by lack of adaptability to a dynamic network environment due to the fact that most of energy storage cabin remote upgrading technologies in the prior art depend on a single communication path to carry out data transmission is solved.

The invention discloses a method for supporting fast switching of multiple models by NPU (Network Processing Unit) firmware. According to the invention, the system real-time performance and the resource utilization rate in a multi-task scene are obviously improved. Through a dynamic hierarchical caching strategy and a priority scheduling mechanism, the system can intelligently allocate cache resources and preferentially guarantee rapid loading of a high-frequency and high-urgency model, for example, in an automatic driving scene, switching delay of a path planning model can be reduced to a millisecond level, and non-perceptual switching of key tasks is guaranteed. The incremental parameter loading technology and firmware-level context management are deeply fused, only model difference data are transmitted, and hardware is utilized to accelerate and recover a calculation state, so that bandwidth waste caused by traditional full-amount loading is greatly reduced, the model switching efficiency of edge computing equipment is improved by more than 10 times when multiple tasks such as voice recognition and image processing are carried out in parallel, and the efficiency of the edge computing equipment is improved. And meanwhile, the calculation precision is kept lossless.

The invention discloses an embedded system construction method and device, and the method comprises the steps: loading a configuration file which is a. Config file generated based on configuration parameters selected by a user through a visual configuration interface; when the CONFIGCONANAUTOUPDATE flag bit is detected to be in an activated state, the Conan warehouse data center is accessed, the latest compatible version of each Conan software package dependency item is inquired, and a semantic version constraint analysis algorithm is adopted to update a version identifier in the configuration file into the latest compatible version; generating a description file containing a dependency item list based on the updated configuration file, and generating a dependency lock file through a Hash locking mechanism; and importing the pre-compiled binary package into the construction environment, calling the corresponding pre-compiled binary package according to the version information and the Hash check value in the dependency lock file in the firmware compiling process, and executing hierarchical compiling operation.

The invention discloses a server BMC dynamic security authentication and firmware protection method and system based on a hardware root of trust, relates to the technical field of server remote management security, and discloses the server BMC dynamic security authentication and firmware protection method and system based on the hardware root of trust, which realize dynamic authentication by generating a device fingerprint through a security chip. According to the method, a multi-layer protection mechanism is constructed in combination with fragment encryption, differential hash check and memory integrity verification, and meanwhile, the data credibility is enhanced by using a block chain storage key hash value, so that the problems of static authentication risk, insufficient firmware tampering detection and missing of a trust chain in a traditional scheme are effectively solved, and the security protection capability of a BMC system can be improved.

The invention discloses a memory access method, a program product, equipment and a medium, and relates to the technical field of computers, firmware is utilized to determine to-be-reserved physical memory information, the to-be-reserved physical memory information is analyzed and continuously split to obtain physical memory segments, and the physical memory segments are divided and aligned; dividing the virtual address space, and performing alignment processing on the divided virtual address space; performing memory mapping on the processed physical memory segment and a physical address space corresponding to the processed virtual address space; generating a page table by utilizing a physical address space corresponding to the mapped and processed virtual address space; when an access instruction of a user is obtained, the corresponding target physical address space is screened from the page table to determine the mapped target physical memory segment, so that the user accesses the target physical memory segment based on the user mode process, the range and capacity of the memory segment are dynamically configured, the stability of the memory during key load operation is guaranteed, and the memory access performance is improved.

The invention discloses an internet of things multi-protocol fusion limo intelligent control system, which relates to the field of limo intelligent control and comprises a hardware irrelevant layer, a multi-protocol adaptation layer, a data abstraction layer, a programmable logic layer, a security and redundancy mechanism and an edge AI module. According to the invention, a physical bus is packaged into an independent module, an MCU / SoC and a protocol transceiver are built in, hot plugging is realized through a standardized PC I e / EdgeConn backboard, a core processing board only exposes a unified backboard interface, module drive localization execution is realized, master control firmware does not need to sense protocol details, only the module needs to be replaced when a protocol is newly added, and the master control firmware or upper software does not need to be modified. The defect that the whole vehicle firmware needs to be refreshed when a bus is replaced in a traditional system is overcome, each protocol corresponds to an independent drive micro-service deployed in a containerization mode, the drive micro-service analyzes a message into a unified data model and uploads the unified data model to a data abstraction layer, a downlink control instruction is packaged and issued according to a target protocol, and it is guaranteed that the protocols are diversified and interfaces are consistent.

The invention relates to the technical field of vehicle regulation level MCU chip safety, and discloses a vehicle regulation MCU chip safety starting method and system based on a national secret algorithm, and the method comprises the following steps: taking a built-in BootROM of a chip as a root of trust, initializing a hardware safety module HSM, and loading a bootloader; the invention further discloses a vehicle regulation MCU chip safe starting system based on the national secret algorithm. The vehicle regulation MCU chip safe starting system comprises a safe starting management module, a secret key management and storage module, a firmware integrity verification module, a trusted execution environment module and an anomaly detection and defense module. According to the invention, through supporting cross-platform adaptation of ARMTrustZone and RISC-VPMP architectures, firmware version rollback protection and starting process isolation are introduced, and integrity measurement is carried out during operation, so that comprehensive safety protection of the vehicle-mounted MCU system in starting, updating and operation processes is realized.

A system and method for simultaneously running a plurality of air quality sensor units using a centralized station and software to test for field performance upon factory return from field installations, automatically identify preventative maintenance requirements, and automatically calibrate the sensor units and generate quality metric reporting. The centralized station and software include a computer, a manifold, tubes, and cables. A test gas is supplied, wherein the manifold distributes the test gas. Once powered and supplied with test gas, the sensor units are tested simultaneously. The computer runs software that compares the test data collected from the sensor units to determine if any of the sensor units fail standards or produce data that deviates from a mean average range. Sensor units that do not require maintenance are calibrated using test gasses to generate calibration coefficients which are stored within the sensors' firmware.

Disclosed are various embodiments for automated vulnerability management. In some embodiments, a list of available updates from a device management system is collected. Then, the device management system is queried to obtain device information to determining applicable updates for operating systems, applications, and firmware based on the list of available updates. Next, a common platform enumeration (CPE) is determined for the updates in the list of available updates and the current version of the operating systems, applications, firmware. Next, a reverse lookup is performed in a vulnerability database for vulnerabilities. The vulnerabilities of the current version of the operating systems, applications, firmware are compared with the vulnerabilities of the updates in the list of available updates. Finally, a vulnerability report is generated.

The invention discloses a lightweight MQTT protocol-based firmware upgrading method for a reconnected Internet of Things device in an off-network state, and relates to the technical field of Internet of Things. By collecting a device information set and a network information set, the reconnected Internet of Things device in the off-network state is upgraded based on the device information set and the network information set; constructing a dynamic block adjustment strategy for determining the size and downloading priority of the firmware blocks by using a self-adaptive algorithm; based on the equipment information set and the network information set, constructing an intelligent reconnection strategy for adjusting reconnection time by using a time sequence prediction model, and intelligently partitioning transmission firmware by using a dynamic block adjustment strategy so as to adjust the size and downloading sequence of transmission firmware blocks in real time; and an intelligent reconnection strategy is used to recover the connection when the network fluctuates and continue downloading, receiving and verifying the transmission firmware block, a verification information set is generated, and the integrity of the transmission firmware block is verified. And the continuity and the success rate of firmware upgrading are obviously improved.

The invention provides a firmware logic vulnerability detection method and system based on a big language model thinking chain, electronic equipment and a computer readable storage medium. The method comprises the following steps: constructing a business logic vulnerability knowledge base by adopting a first big language model; obtaining basic data of a firmware business program to be detected to construct a business object knowledge graph; based on the business logic vulnerability knowledge base, adopting a retrieval enhancement generation algorithm to obtain a sensitive control flow and a business logic vulnerability normal form corresponding to the to-be-detected firmware business program; based on the business logic vulnerability normal form and the sensitive control flow corresponding to the to-be-detected firmware business program, adopting a large language model thinking chain technology to iteratively generate multi-level cue words; and based on the multi-level cue word and the business object knowledge graph, adopting a second large language model to obtain a logic vulnerability detection result. According to the method and the device, various service logic vulnerabilities in the Internet of Things terminal firmware can be detected.

The invention relates to a method and a system for automatically updating an intelligent gateway and synchronizing a server. The method comprises the following steps: carrying out system self-inspection and network connection verification on the intelligent gateway to obtain network state information; obtaining version information of the intelligent gateway according to the network state information, and performing local storage management to obtain an update request data packet; establishing a secure communication connection with an OTA server based on the update request data packet to obtain a session credential; performing version comparison of multi-objective optimization by using the session voucher, and executing intelligent update decision making to obtain an update execution plan; downloading an update file from the OTA server according to the update execution plan and performing integrity verification to obtain a verified firmware image file; and deploying the verified firmware image file to the standby partition and executing update installation to complete state synchronous feedback. According to the method, the adaptability and accuracy of the update decision are improved, dynamic resource scheduling in the update process is realized, and the update is ensured to be carried out in the optimal system state.

The invention relates to the technical field of network set top boxes, and discloses a firmware segmented loading method and device in the starting process of a network set top box. The method comprises the following steps: performing firmware division on the network set top box to obtain a firmware segment set and an inter-segment dependency relationship matrix; determining a real-time state vector of the starting state based on hardware sensor data of the network set top box; performing starting stage identification on the network set top box according to the real-time state vector to obtain a current starting stage identifier and a time sequence optimization condition parameter; carrying out loading decision and Markov state transition analysis on the firmware segment set based on the current starting stage identifier and the inter-segment dependency relationship matrix to obtain a loading action sequence; and carrying out target path loading on the firmware segment set according to the loading action sequence and the time sequence optimization condition parameters to obtain a loading execution result. According to the method, the firmware segments can be flexibly combined and dynamically scheduled according to actual requirements, and the loading efficiency and stability under different network conditions are ensured.

The invention relates to the technical field of mechanical arm trajectory tracking control, in particular to a mechanical arm trajectory tracking control method and system. The method comprises the following steps that a mechanical arm operation log and a track execution program are obtained, periodic track motion deviation data are extracted, and track jitter sensing record analysis is carried out; thirdly, track behavior deviation feature learning is carried out according to the track deviation data, then a track tracking execution program is optimized, and the accuracy of track tracking control is improved; and finally, designing trajectory tracking control firmware, and embedding the trajectory tracking control firmware into a mechanical arm control center to realize optimized mechanical arm trajectory tracking control. The mechanical arm trajectory tracking control technology is optimized, so that the mechanical arm trajectory tracking control technology is more perfect.

The invention discloses an NB-IOT technology-based firmware remote upgrading method and an electric energy meter. The upgrading method mainly comprises the following steps of S1, an upgrading preparation stage, wherein the upgrading preparation stage comprises server end preparation and electric energy meter end preparation; s2, a data transmission stage: firmware data transmission, a breakpoint resume mechanism and fragment verification are included; s3, a firmware updating stage which comprises data analysis and storage, preparation before updating and firmware writing and starting; s4, upgrading verification and feedback, including function verification and feedback information sending; and S5, security measures including identity authentication, data encryption and digital signature. An NB-IOT module is arranged in the electric energy meter, and data transmission between the electric energy meter and the server is achieved through the NB-IOT communication technology. According to the remote firmware upgrading method based on the NB-IOT technology and the electric energy meter provided by the invention, reliable remote upgrading of the firmware of the intelligent electric energy meter is realized by adopting an NB-IOT communication mode and combining a fragmented data transmission mechanism, a firmware verification mechanism, a breakpoint resume mechanism and an upgrading feedback mechanism.

The invention provides a firmware encryption method and system based on a device unique identifier and dynamic key verification, and relates to the technical field of firmware protection, and the method comprises the steps: obtaining a unique identifier of a device, the unique identifier being hardware feature information which cannot be modified; a dynamic key is generated based on the unique identifier and the random number, and the dynamic key is realized through an encryption algorithm and is regenerated every time the device is started or firmware is updated; the dynamic key is stored in a storage area protected by hardware, and the storage area is subjected to double protection of hardware isolation and logic encryption; and when the device is started, the dynamic key is regenerated, the unique identifier of the dynamic key and the unique identifier of the dynamic key stored in the storage area are compared and verified, if the dynamic key and the unique identifier are consistent, firmware operation is allowed, and otherwise, a safety response mechanism is triggered. According to the invention, the security and reliability of firmware protection can be improved.

The invention discloses a chip design method, system and device based on a multi-core heterogeneous architecture and a medium. The method comprises the steps that the type and number of heterogeneous computing cores are determined according to a target application scene, and a task scheduling unit is configured; designing an on-chip interconnection structure of a heterogeneous computing core by adopting a hybrid topological structure, and verifying and adjusting a dynamic task scheduling strategy and the on-chip interconnection structure through hardware simulation; configuring a power management unit according to the energy efficiency optimization target, wherein the power management unit is used for controlling the working state of the heterogeneous computing core; operating data of the heterogeneous computing core are collected in the post-silicon verification stage, a firmware updating scheme is generated according to the operating data, and firmware updating is conducted according to the firmware updating scheme. By optimizing the chip design process under the multi-core heterogeneous architecture, the performance, the energy efficiency ratio and the reliability of the chip are improved, and the method can be widely applied to the technical field of chip design.

The invention discloses a macro server system, an application method, electronic equipment and a storage medium, and relates to the technical field of computers, physical devices (equipment components) of the macro server system are modularly designed to be combined into modules with different functions, and the physical devices support hot plugging, so that the physical devices can be conveniently and quickly combined into modules with different functions. Meanwhile, a plurality of physical devices are connected through a high-speed communication network to form a distributed module cluster, so that a large number of computing resources, management resources and network resources can be packaged into an independent server environment, and the limitation of a current server in the aspects of processor performance, bandwidth, physical structure, hardware quantity, firmware resources and the like is solved; according to the technical scheme, the macro server system capable of supporting large-scale data processing, high-concurrency access and complex operation is constructed, so that the technical problem of how to improve the performance and expandability of the server can be solved, and the technical effect of constructing the macro server system capable of supporting large-scale data processing, high-concurrency access and complex operation is achieved.

The invention relates to a resource allocation method and device of a data processing unit, electronic equipment and a storage medium. The method comprises the steps that in response to the fact that a basic input and output system is started to a pre-firmware interface initialization stage, a position variable is read, and the position variable comprises initial position information; in response to successful reading of the position variable, performing resource reservation on the data processing unit according to the initial position information; responding to the condition that the basic input and output system continues to be started to the PCIE equipment enumeration stage, traversing the multiple pieces of PCIE equipment to obtain multiple pieces of corresponding identification information, and judging whether the data processing unit is in place or not according to the multiple pieces of identification information; acquiring current position information in response to the fact that the data processing unit is in place; and according to the current position information and the initial position information, determining whether to perform resource allocation on the data processing unit according to the initial position information and the resource reservation condition. By adopting the method, the flexibility and accuracy of resource allocation of the data processing unit can be improved.

The invention discloses a vehicle-mounted controller firmware upgrading method, which relates to the technical field of intelligent networked automobiles, and comprises the following steps of: accurately describing a dependency relationship between versions by introducing a directed acyclic graph, providing a clear topological sorting basis for an upgrading process, and improving the upgrading efficiency. The system function conflict and disorder caused by disordered upgrading sequence are fundamentally avoided; a distributed consensus protocol is utilized to ensure that each controller achieves state coordination before upgrading, so that the overall robustness of a multi-controller cluster is effectively improved when the multi-controller cluster faces network delay or individual node abnormity, and upgrading failure or version bifurcation caused by the fact that part of nodes are not ready is avoided; through the combination of the group-level binding token and the atomic switching mechanism, the controller group with a strong function dependency relationship can be ensured to be effective and updated as a unified transaction unit, and the safety and reliability of cross-domain function linkage are remarkably enhanced.

A device comprises a plurality of hardware, HW, modules including a first HW module comprising a Physically Un-clonable Function, PUF, the first HW module or the plurality of HW modules being communicated with a requester. The device receives (1006), from the requester, a request to transmit an output to the requester. It activates (1008) the PUF, reads a response from the PUF, and adds the response to an output. The device transmits (1012) the output to the requester, and it receives (1002) one or more of a firmware, FW, component, a software, SW, component, or a bitstream, BS, component before receiving (1006) the request from the requester.

The invention relates to the field of equipment safety verification, in particular to a wifi router on-line upgrading safety verification method and a wifi router on-line upgrading safety verification system. A wifi router online upgrade security verification system comprises a firmware package construction module, a firmware package verification module and a guarantee activation module. According to the method, a firmware packet header protection logic closed loop is formed through an innovatively designed multi-order composite verification structural body and an anti-offset signature positioning framework; the system can detect the nanoscale tampering of an attacker to the length identification field in real time, cuts off the power supply of the flash memory controller and erases the data buffer area at the hardware fusing level response speed when verification fails, and compared with a traditional scheme, the response efficiency is improved.