6462results about "Bootstrapping" patented technology

Disclosed are systems, apparatuses, methods, and computer-readable media for booting a device with independent stage keys. In one illustrative example, a computing device can generate a first stage key for a first stage of a current boot operation of the device based on a private key associated with the device. The computing device can authenticate a first firmware of the first stage using a first authentication tag and the first stage key, wherein the first authentication tag is generated during a previous boot operation. computing device can execute the first firmware based on authenticating the first firmware.

The embodiment of the invention provides a server startup verification system, the system comprises a system startup device and a target verifier, the system startup device comprises a system controller, a management controller, a switcher and a memory, target startup firmware of a server system is stored in the memory, and the target verifier is used for verifying the target startup firmware of the server system. Target verification information of the server system is stored in the target verifier; the switcher is used for controlling the system controller to be communicated with the memory under the condition that the server system is started; controlling the management controller to be communicated with the memory under the condition that the startup firmware in the memory is to be updated; the system controller is used for accessing the target verifier and the memory under the condition that the server system is started; and verifying the target startup firmware by using the target verification information. Through the method and the device, the problem of relatively low security of the server starting stage in the related technology is solved, and the effect of improving the security of the server starting stage is further achieved.

Methods, systems, and computer program products for managing Internet of Things (IoT) network-connected devices.

Some embodiments are directed to a computer-implemented method of determining encrypted computation parameters for carrying out an encrypted computation on noisy ciphertexts. A computation graph is divided into multiple subgraphs, defined by a type and by instantiation parameters for the type. Respective sets of encrypted computation parameters are defined for the respective types. An optimization of the encrypted computation parameters is performed to minimize a computational cost of carrying out the encrypted computation according to the encrypted computation parameters. The encrypted computation parameters are constrained to satisfy a noise constraint on ciphertext noise while carrying out the encrypted computation. The noise constraint is based on respective noise constraints for respective subgraphs, defined by a noise constraint function for the type that takes at least the encrypted computation parameters for the type and the instantiation parameters of the subgraph as input.

The invention discloses an emotional understanding and feedback method for a full-duplex interactive question-answering digital person, and the method comprises the steps: S1, arousing interaction: enabling a digital person of a digital person system to enter an interaction state in a human body detection arousing or voice instruction arousing manner by a user; s2, state analysis: the digital human system judges the state of the user in real time by collecting image data and audio data of the user, and identifies and analyzes the direction, emotion and speech content of the user in real time; and S3, feedback output: the digital human system drives the digital human in voice, expression and body movement through a screen in real time according to the analysis result of the direction, emotion and speech content of the user, and feeds back the result to the user in a manner of adding auxiliary characters, images and videos. The method has the advantages that the emotional state of the user is accurately judged through an advanced algorithm, digital human expressions, body actions and voice feedback are driven in real time according to the emotion and speech content of the user, response is made in time, and a real-person-like real-time interaction scene is achieved.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus is a BMC. The BMC detects a boot failure from both an active firmware image and a recovery firmware image. The BMC starts a recovery protocol to acquire a fallback firmware image from a first source once it identifies the failure. The BMC flashes the obtained fallback firmware image onto its storage device. The BMC initiates a boot process using the fallback firmware image.

The invention discloses a starting item sequence adjusting method, system and device and a computer storage medium, relates to the technical field of servers, is applied to a basic input and output system, and comprises the following steps: displaying a preset key and starting item information corresponding to the preset key in a power-on self-test stage; detecting whether key triggering information is received or not; if the key triggering information is received, determining a triggered target key according to the key triggering information; determining a target starting item corresponding to the target key; calling an intelligent platform management interface command, and setting a starting mode as a target starting item; and executing a restart operation. According to the application, a user can know the preset key and the starting item information corresponding to the preset key, so that the user can select the corresponding starting item by triggering the preset key, and the operation is simple and convenient; the target starting item selected by the user is accurately set in the basic input and output system; and finally, the restarting operation is executed to ensure that the adjustment of the starting item takes effect, so that the starting item of the BIOS is simply, conveniently and accurately adjusted.

The invention provides a multi-core heterogeneous system-oriented startup deployment and cooperative processing method, which comprises the following steps of: when the system runs, obtaining startup codes after a master core and a slave core are electrified, respectively obtaining mirror image files of Linux and RTOS (Real Time Operating System) on the basis of synchronous running and storage partition, and running the mirror image files on the master core and the slave core after moving the mirror image files; and after the heterogeneous operating system is loaded, generating an interrupt signal based on inter-core interrupt and a corresponding register through a CLINT module in the main core, and realizing data communication between the main core and each slave core based on the interrupt signal and the shared memory. By means of the method, after the system is powered on, the multiple cores can synchronously run the starting codes, and time delay and uncertainty possibly caused by one-by-one starting of the single cores are avoided; communication and data transmission among multiple cores are realized through interruption and memory sharing, the synchronism and consistency of data are ensured, and misjudgment and decision errors caused by data delay and inconsistency are avoided, so that the real-time performance of the system is remarkably improved.

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 include determination of a source tenant system, determination of a target tenant system, determination of target configuration data associated with the target tenant system, comparison of the source configuration data and the target configuration data to identify similar configuration data and dissimilar configuration data, and presentation a first hierarchy of the source configuration data and a second hierarchy of the target configuration data along with indicators of the similar configuration data and the dissimilar configuration data.

An information handling system includes first and second storages, a basic input / output system (BIOS), and an embedded controller. The first storage stores telemetry data associated with the information handling system. The second storage includes a boot partition. The BIOS stores the telemetry data in the first storage. The embedded controller receives the telemetry data stored in the first storage from the BIOS. The embedded controller provides the telemetry data to the boot partition of the second storage over an out-of-band communication channel.

An electronic system includes a main chip, a non-volatile storage circuit, and a detector circuit. The main chip is configured to read first time of a clock circuit. The non-volatile storage circuit is coupled to the main chip. The main chip stores the first time into the non-volatile storage circuit. The detector circuit includes a first output terminal. The first output terminal is coupled to the main chip. When a cold boot event occurs, the main chip reads the first time from the non-volatile storage circuit, and determines a reason of the cold boot event according to the first time, a second time of the clock circuit, and a logic value at the first output terminal.

In at least one embodiment, processing can include: recording, in a metadata (MD) log, a metadata (MD) update to a MD page having a logical address LA1; flushing MD updates, including the MD update, from the MD log; applying at least the MD update to the MD page to generate an updated version; storing the updated version of the MD page at a storage location PA2 different from a first location of the MD page prior to updating; recording, in a translation table (TT) log, a TT update that updates entry E1 of a TT to map LA1 of the MD page to PA2 rather than the first location; flushing TT updates from the TT log; applying at least the TT update to the TT to generate an updated version; and storing the updated TT version at a storage location different from a prior location of the TT prior to updating.

A method for managing a storage system includes initiating, by a hardware resource manager, a boot-up of a storage controller managing the storage system comprising a plurality of storage devices, making a determination, by the storage controller, that the storage controller is in a secured mode, based on the determination: identifying a security state of each of the plurality of storage devices, determining that a storage device of the plurality of storage devices is in an unsecured state, and based on the unsecured state, sending, by the storage controller, a security operation request for securing the storage device, obtaining a secure state response from the hardware resource manager corresponding to securing the storage device, and based on the secure state response, resuming operation of the storage controller based on the secure mode.

The invention relates to the technical field of servers, and particularly discloses a monitoring system, method, device and equipment for a basic input and output system, and a medium. The starting state of the first basic input and output system is obtained after the first controller is powered on, and if it is recognized that the actual starting time exceeds the first starting time corresponding to the starting stage in the starting stage of the first basic input and output system, it is determined that starting of the first basic input and output system fails. And the first change-over switch is controlled to switch the first basic input / output system to the second basic input / output system, so that the first basic input / output system can be switched to the second basic input / output system in time when the first basic input / output system fails, the time for judging the starting timeout of the basic input / output system is shortened, and the starting speed of the server is improved.

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.

An integrated circuit device includes a plurality of chiplets. A first chiplet is configured to execute a first boot-up sequence to prepare the first chiplet for operation, and output a trigger signal. A second chiplet is configured to execute a second boot-up sequence to prepare the second chiplet for operation, in response to the trigger signal. The first boot-up sequence at least partially overlaps the second boot-up sequence in time. An example of the integrated circuit device is a System-on-Chip (SoC) that can include various subsystems distributed among multiple chiplets or dies. The boot-up sequences of the subsystems are ordered to increase concurrency between the boot-up sequences. Increasing concurrency of the boot-up sequences between chiplets reduce the overall boot-up time of the SoC.

The invention discloses an intelligent wake-up system and method for a mobile hard disk in a low-power-consumption mode, particularly relates to the technical field of wake-up control of the mobile hard disk, and is used for solving the problem that the mobile hard disk cannot accurately recognize a wake-up request in the low-power-consumption state. According to the method, the wakeup request in the low-power-consumption mode of the mobile hard disk is classified and identified, the operation type, the system running state and related behavior information are extracted, the multi-modal feature vector is constructed, and the request validity is intelligently predicted based on the integrated learning model, so that the wakeup judgment accuracy is improved, and the wakeup efficiency is improved. For the request with the prediction result in the uncertain interval, a short-time semi-activation window period is set, and secondary confirmation is performed by monitoring the host access behavior in real time, so that energy consumption waste and equipment loss caused by false wake-up are effectively avoided, self-adaptive response to the state change of the mobile hard disk is realized, and the service life of the mobile hard disk is prolonged. And the low-power-consumption intelligent control level and the energy-saving management capability are improved.

The invention discloses a single-chip microcomputer hierarchical dormancy control method based on dynamic power consumption prediction, and relates to the technical field of single-chip microcomputer low power consumption control, and the method specifically comprises the steps: building a mapping relation between a load current and a clock frequency; setting a dynamic dormancy threshold value; constructing a dynamic power consumption prediction model; a dormancy strategy is designed, module-level power consumption management and single-chip microcomputer function-based power consumption management are adopted, the callable frequency or the maximum operation duration of each function is distributed according to task priorities and battery residual energy consumption, and single-chip microcomputer peripherals are triggered through events and are independently awakened; and executing the sleep strategy, automatically awakening the single chip microcomputer according to a preset awakening condition, and realizing abnormity positioning and processing based on threshold comparison and power consumption monitoring in the process of executing the sleep strategy. According to the invention, module-level power consumption management and single-chip microcomputer function-based power consumption management are realized, the limitation of traditional global dormancy is broken, the need of overall reset during wakeup is avoided, and the response speed is improved while the energy consumption is reduced.

An information handling system includes a baseboard management controller (BMC), an I / O device, and a BIOS. The BIOS initializes a parameter of the I / O device with a particular value, and includes an I / O health check module. Each time the BIOS initializes the first parameter, the I / O health check module receives the particular value, determines whether or not the particular value is within a predetermined range of values, and provides the particular value to the BMC. The BMC logs the values from each time the BIOS initializes the parameter, determines a health status for the information handling system based upon the logged values, and provides an indication of the health status.

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 provides a write-after-read conflict prediction method, device and equipment, which are applied to the technical field of data processing, and the method comprises the following steps: reading a to-be-transmitted loading instruction; the loading instruction is located in a loading queue of the out-of-order execution processor. Determining an index value of the loading instruction; the index value is used for quickly positioning a conflict record matched with the loading instruction in a historical conflict table of the out-of-order execution processor. The conflict record comprises a first storage instruction corresponding to the loading instruction. And when it is determined that the conflict record corresponding to the index value exists in the historical conflict table, setting the loading instruction to be in a suspended state. And after the execution of the first storage instruction is finished, executing the loading instruction. The problem that the execution efficiency of a processor is affected due to pipeline emptying and pause caused by write conflicts after reading can be solved.

A BIOS code storage subsystem modification system includes a computing device having BIOS code storage device modification subsystem coupled to a BIOS storage system that includes a BIOS code storage device and a BIOS data storage device. The BIOS code storage device modification subsystem receives a BIOS code storage device modification interrupt and, in response, provides BIOS code storage device modification information in the BIOS data storage device. Subsequent to providing the BIOS code storage device modification information in the BIOS data storage device, the BIOS code storage device modification subsystem causes the computing device to perform a first reboot. During a first initialization of the computing device in response to the first reboot, a BIOS in the computing device identifies the BIOS code storage device modification information in the BIOS data storage device, and uses the BIOS code storage device modification information to modify the BIOS code storage device.

The invention discloses a diversified configurable embedded system boot loading method, which supports a multifunctional mode and a quick start mode, and the multifunctional mode comprises four operation stages: (1) executing first relocation, establishing a high-level language operation environment, and operating a hardware debugging user interface in a context without a system memory; (2) carrying out system memory initialization and secondary relocation, and moving an operating environment to a system memory; (3) starting the kernel of the mini operating system, wherein various advanced characteristics are supported in the starting stage; and (4) loading and starting the target operating system. And directly loading the real-time application after hardware initialization is completed in the quick start mode. According to the method, the running defects of a traditional boot loader are overcome, an independent debugging stage independent of a memory is provided to complete diagnosis and testing of hardware, the application requirements of different scenes are met through dynamic configuration, and the application prospect is wide. In addition, the invention also discloses a system boot loading device and a storage medium.

The invention discloses a substrate management controller starting method, computer equipment, a medium and a product, and relates to the technical field of server management.The substrate management controller starting method comprises the steps that after a substrate management controller is started, a value of a first register is read, and a target running partition and an environment variable are determined based on a specific field of the first register; detecting whether the substrate management controller is abnormal or not in the operation stage; and if the abnormality exists, storing a reset reason in a specific field of the first register, and restarting the substrate management controller. After the substrate management controller is started, whether the operation stage is abnormal or not is detected, after the operation stage is abnormal, the reset reason and the abnormal operation process are stored in the first register, restarting is carried out, the first register is a register which does not lose data after restarting, and after starting, the value in the first register is read, so that the reset reason and the abnormal operation process are stored in the first register. And determining whether to partition or not in combination with a reset reason, thereby realizing intelligent switching of the redundant backup system.

The invention discloses a configuration option management method, device and equipment and a storage medium, and is applied to a basic input and output system, the method comprises the following steps: determining a configuration option modification mode, a target configuration option with modification, a configuration value after the target configuration option is modified, and a configuration value after the target configuration option is modified; if the configuration option modification mode is a first configuration option modification mode, sending the application result to a baseboard management controller, so that the baseboard management controller records the application result, the target configuration option and a modified configuration value of the target configuration option through a log; and if the configuration option modification mode is a second configuration option modification mode, sending the target configuration option and the modified configuration value of the target configuration option to the baseboard management controller, so that the baseboard management controller records the target configuration option and the modified configuration value of the target configuration option through a log. According to the method, the configuration checking process is simplified, and the management efficiency of the configuration options is improved.

A system of USB communicating camera comprising an integrated USB camera further comprising a USB communicating camera with a sensor, an image signal processor and integrated with a microcontroller having an image processing module, an inference unit, a first USB interface, a flash memory; a host system with a processor, a user interface application and a second USB interface to communicate to and from the USB communicable camera, the system is user configurable for different application specific pre-trained machine learning models. The user interface application is adapted to receive an application specific configuration data. The inference unit is an artificial intelligence inference unit that draws inference on image frames based on an input and the corresponding pre-trained machine learning model. The system deploys edge computing. A firmware residing in the flash memory remains unchanged when different application specific pre-trained machine learning models are loaded in the flash memory.

Embodiments of the present application provide a network interface card control method and apparatus for a server, a non-volatile readable storage medium, and an electronic device. The method comprises: when a target logic device on a server is powered on and starts, identifying a network interface card type of a target network interface card on the server by means of the target logic device; according to the network interface card type of the target network interface card, controlling a first power supply controller on the server to supply power to the target network interface card in a power supply mode matching the network interface card type of the target network interface card; when it is detected that the the target network interface card has been started, by means of the target logic device, controlling a second power supply controller on the server to supply power to a central processing unit of the server. By means of the present application, the efficiency of identifying a network interface card of a server is improved.

The invention discloses an Internet of Things equipment power consumption management method and system based on big data, and relates to the technical field of equipment power consumption management. The Internet of Things equipment power consumption management method and system based on big data specifically comprises the following steps: S1, equipment classification; s2, power consumption evaluation and modeling; s3, implementing a dormancy awakening strategy; s4, strategy design and dynamic adjustment; through careful classification of the data center server and the Internet of Things equipment, power consumption characteristics of various types of equipment can be more accurately understood and managed. And secondly, through power consumption evaluation and modeling, an accurate power consumption model is established, and a power consumption threshold value is set, so that real-time monitoring and effective management of power consumption are realized. In addition, the implementation of the sleep wake-up strategy avoids invalid sleep of the Internet of Things equipment, and improves the energy utilization efficiency. The dynamic adjustment strategy not only realizes load balancing, but also dynamically adjusts the power consumption according to the task priority and the load condition, so that the overall power consumption is further reduced.