19 results about "Trust certificate" patented technology

The invention discloses an AI model security protection system and method based on a domestic cryptographic algorithm and a digital certificate. The system comprises a certificate management center CA, an AI model security gateway, a training terminal and a deployment server, wherein the certificate management center CA is a certificate management system of a third-party trusted certificate management center CA mechanism; the AI model security gateway is used for security access and compliance verification of training data; the training terminal is used for security initialization of the model development terminal and generation of a security model package, and is terminal equipment used by a developer for model training; and the deployment server is used for security management and control of the model operation end. The method comprises the following steps: firstly, carrying out data encryption and model certificate binding; identity authentication and transmission encryption are carried out; then, integrity verification and tampering prevention are carried out; and finally, version traceability and legality verification are carried out. According to the method, the security of the AI model and the model transmission and verification efficiency are improved, the whole-process traceability of the model is realized, the compatibility is high, and the method is easy to popularize.

The invention discloses an anti-quantum certificate signature verification method, which comprises the following steps: signing and issuing a traditional certificate to a certificate issuing mechanism, and carrying out abstract operation processing on a serial number of the traditional certificate to obtain an abstract of the traditional certificate; issuing an anti-quantum certificate to a certificate issuing mechanism, and adding the abstract of the traditional certificate into an extension item of the anti-quantum certificate, so that the anti-quantum certificate is bound with the traditional certificate; when the security of the certificate needs to be verified in the interaction process with other application systems, performing signature verification processing on the traditional certificate; and after the signature verification of the traditional certificate is passed, carrying out signature verification processing on the countermeasure quantum certificate, and if the verification is passed, considering the certificate as a trusted certificate. The invention further discloses a device for implementing the anti-quantum certificate signature verification method, computer equipment and a storage medium. According to the method, the potential risk that a traditional digital certificate is attacked by quantum during use can be well solved, and the security of the certificate is greatly improved.

The invention belongs to the technical field of Internet of Things, and discloses a safety equipment management and service system and method based on a trusted scene, and the method comprises the steps: obtaining manufacturer basic information and a real-time risk signal, judging a credit level according to a four-level standard, generating a corresponding rectification work order, collecting equipment attributes, signing and issuing a trusted passport, and forming an equipment initial trusted certificate; the scene admission type is judged by combining the batch admission template and the offline rule packet, differential adaptation is executed, and a scene adaptation result is generated; historical experience labels are converted through a cross-domain label mapping table, invalid labels are cleared up, an inheritance trust state is determined, and a trust passport is updated; sandbox simulation is executed on the major strategy, conflicts are arbitrated according to mode priorities, and an arbitration strategy, an execution instruction and an audit log are generated; the trust passport and the manufacturer credit level are updated, trust approval and strategy arbitration rules are optimized, and a closed-loop auditing link is formed.

The embodiment of the invention discloses an equipment information protection method and a related device, which are used for improving the security of hardware equipment information in a complete machine and applied to a baseboard management controller BMC, the BMC comprises a security core isolated from external environment access, and the method comprises the following steps: calling the security core, signing a firmware hash value based on a trusted certificate, and sending the signed firmware hash value to a server; generating a firmware identity certificate, wherein the firmware hash value is obtained by performing hash value calculation on the firmware information of the BMC; acquiring reference equipment information, wherein the reference equipment information is equipment information of the initial hardware equipment; a security core is called, the reference device information is signed based on the firmware identity certificate, a device identity certificate is generated, the device identity certificate is used for extracting the reference device information when the target hash value is not matched with the reference hash value, and the target hash value is obtained by performing hash value calculation on the target device information; the target equipment information is equipment information of the target hardware equipment, and the reference hash value is obtained by performing hash value calculation on the reference equipment information.

The application relates to the technical field of data processing, and provides a data processing method and device based on privacy protection, equipment and a storage medium. The method comprises the following steps: generating a trusted certificate list of a signature certificate, an encryption certificate and an identity ID of each subsystem; generating a corresponding task ID and a to-be-done subtask of each subsystem according to a preset to-be-done task flow table; when it is monitored that a first subsystem acquires a first to-be-done subtask of the to-be-done task flow table from a preset address according to a first task ID and performs decryption, performing signature verification on the decrypted first to-be-done subtask according to the trusted certificate list to obtain operation content of the first to-be-done subtask; acquiring target data associated with the operation content in a data storage device of the first subsystem, encrypting and signing the target data, obtaining target data results and uploading the target data results to the preset address. The application also relates to the technical field of blockchains, and the signature certificate, the encryption certificate and the identity ID can also be stored in a node of a blockchain.

This invention relates to the field of information processing technology, specifically an online POS application signing method based on ukey communication data security protection, comprising the following steps: S1: generating a certificate request file for the Ukey device and issuing a trusted certificate to it; S2: using the Ukey for identity authentication and obtaining a list of signing private keys; S3: after identity authentication, using the Ukey to sign and reassemble the application package; The online POS application signing method based on ukey communication data security protection provided by this invention can reduce the cost of manufacturing security devices. Relatively speaking, the manufacturing cost of ukey is one-tenth of the cost of security devices, which is more user-friendly for customers with small demand. Small customers generally do not build their own signature security system, and this solution can be used immediately; In addition, the Ukey device performs identity authentication, which, while balancing convenience and security, prevents the possibility of signing private key leakage and provides the convenience of being carried around, making it suitable for further promotion and application.

Operations of a certificate package verification service may include receiving a first certificate package including a first set of one or more digital certificates, and a digital signature associated with the first certificate package; determining, using a public key of an asymmetric key pair associated with a second set of the one or more digital certificates, that the digital signature is generated using a private key of the asymmetric key pair; and in response to determining that the digital signature is generated using the private key, storing the first certificate packet as a trusted certificate packet in a certificate repository.

A network node includes a reception unit that receives a trust evaluation request message including a trust certificate of a terminal or a user from a specific network node that has received a message including the trust certificate from the terminal, a control unit that performs a trust evaluation process using the trust certificate, and a transmission unit that transmits a trust evaluation result to the specific network node.

The invention discloses a rapid lightweight network trust method suitable for highway vehicle-road cooperation, and the method comprises the steps: carrying out the identity authentication of a target intelligent network connection vehicle through a digital certificate-based strong identity authentication technology at an entrance of a highway, and generating a lightweight network trust certificate of the vehicle; pre-transmitting the lightweight network trust certificate to the intelligent roadside equipment on a subsequent path through the intelligent roadside equipment on the entrance side according to the linear closing characteristic of the expressway; and in the vehicle driving process, information interaction with the intelligent roadside equipment on the subsequent path is carried out in sequence, and the intelligent roadside equipment on the subsequent path carries out identity authentication on the target intelligent network connection vehicle by using the pre-obtained lightweight network trust repertoire verification. According to the method, the identity authentication of the vehicle can be quickly completed during high-speed driving of the vehicle, the authentication efficiency is remarkably improved, meanwhile, the occupied authentication computing resources are small, the network load is greatly reduced, the system safety is enhanced, and the system reliability is improved.

The invention provides a second-hand cargo online transaction system and method. The method comprises the following steps: determining a credible evaluation report; binding the credibility evaluation report with the unique identifier of the second-hand commodity, generating a non-tampering digital credibility certificate, and storing the digital credibility certificate and an out-of-chain storage address index in an alliance chain in an associated manner; when a transaction request is received, providing an estimation confidence interval as a transaction reference based on the digital credible voucher, automatically executing fund trusteeship and on-chain material right circulation record registration after a buyer and a seller confirm a reference opinion, and further generating a new transaction circulation node and writing the new transaction circulation node into a life cycle tracing chain; and when a query request of an authorized user is received, retrieving all transaction transfer nodes in the alliance chain, assembling the transaction transfer nodes to obtain life cycle traceability information, and returning the life cycle traceability information to the authorized user. By adopting the scheme of the invention, full-life-cycle tamper-proof traceability from commodity multi-mode intelligent evaluation to credible automatic transaction execution can be realized.

The embodiments of the present application relate to the technical field of communications. Provided are a communication method and apparatus, which can determine the security of a network element used for implementing communication between a relying party and a verifier. The method comprises: a first network element receiving first request information; determining a trust certificate on the basis of the first request information; and sending second request information, wherein the first request information is used for requesting the measurement of a trusted status of a target network element, the trust certificate is used for indicating that the first network element has the permission to query the trusted status of the target network element, the second request information is used for requesting the trusted status of the target network element, and the second request information is further used for indicating the trust certificate.

The network node has a reception section that receives a trust evaluation request message from a specific network node in a case where authentication using a user's attribute / eligibility certificate is successful, the trust evaluation request message including a terminal or the user's trust certificate, a control section that performs a trust evaluation process using the trust certificate, and a transmission section that transmits a trust evaluation result to the specific network node.

The invention relates to a method (100) for operating a field device (1), which has an adjustable clock (2), at least one non-volatile CA memory (3) having a public key certificate (3a) from a trusted certificate authority, CA, at least one non-volatile time memory (4) for storing a date and / or a time (4a), and at least one interface (5), the method comprising the following steps: - a current date and / or a current time (7a) is received (170) via the interface (5); - said current date or said current time (7a) is compared (180) with the date or the time (4a) in the time memory (4); and - in response to the current date or the current time (7a) being later (190) than the date or the time (4a) in the time memory (4), the adjustable clock (2) of the field device (1) is set (200) to the current date or to the current time (7a).

Disclosed in embodiments of the present application are a device information protection method and a related apparatus, used for improving the security of hardware device information in the entire device, and applied to a baseboard management controller (BMC), the BMC comprising a security kernel isolated from external environment access. The method comprises: calling a security kernel, signing a firmware hash value on the basis of a trusted certificate, and generating a firmware identity certificate, wherein the firmware hash value is obtained by performing hash value calculation on firmware information of a BMC; acquiring reference device information, wherein the reference device information is device information of an initial hardware device; and calling the security kernel, signing the reference device information on the basis of the firmware identity certificate, and generating a device identity certificate, wherein the device identity certificate is used for extracting the reference device information when a target hash value does not match a reference hash value, the target hash value is obtained by performing hash value calculation on target device information, the target device information is device information of a target hardware device, and the reference hash value is obtained by performing hash value calculation on the reference device information.

The invention provides a consumable identification method and device, a medium and a product, and relates to the technical field of electrical digital data processing, and the method comprises the following steps: firstly, a host and a consumable use a pre-stored root public key to mutually verify a consumable credible certificate and a host credible certificate; and after passing, the host and the consumable use the consumable public key and the host public key to mutually verify the first signature file and the second signature file, and then the host generates and sends a symmetric communication key. Then, the host generates a verification code according to the consumable parameters, encrypts the verification code by using the symmetric communication key, and sends the verification code to the consumable for timing; finally, the host receives and decrypts the operation result, and when the verification duration is smaller than the preset duration and the operation result passes verification, it is confirmed that the consumable is a certified consumable. According to the scheme, the technical problem that true and false consumables are difficult to discriminate effectively in the prior art is solved.

The embodiment of the invention discloses a post quantum and traditional public key compatible method, device and equipment and a medium, and relates to the technical field of password application, and the method comprises the steps: generating a trusted certificate which comprises additional public key information extension, additional signature algorithm extension and additional signature value extension; when the credible certificate is verified, judging whether the verification system supports a post quantum cryptography algorithm or not; if not, verifying a certificate signature value of a preset traditional cryptographic algorithm in the credible certificate; and if yes, verifying a certificate signature value of a traditional cryptographic algorithm preset in the credible certificate, and verifying a certificate signature value of the post-quantum cryptographic algorithm based on the additional public key information extension, the additional signature algorithm extension and the additional signature value extension. According to the method, a powerful post-quantum cryptographic algorithm is introduced and supported to cope with quantum threats, seamless compatibility with existing systems and equipment depending on a traditional public key cryptographic algorithm is ensured, and destructive influence on existing huge and key information infrastructures is avoided.

Methods and systems for managing operation of a data processing system are disclosed. To manage operation of the data processing system, after a startup of the data processing system and while in operable communication with a vendor certificate repository, a management agent may determine that a store of trusted certificates is to be updated. The management agent may perform a synchronization process to obtain an updated store of trusted certificates, the updated store of trusted certificates being accessible by a startup manager of the data processing system while the startup manager is not in operable communication with the vendor certificate repository. Therefore, during a future startup of the data processing system, a security posture of the data processing system may be evaluated using the store of trusted certificates and operation of the data processing system may be managed based on the security posture to facilitate provisioning of desired computer-implemented services.

Embodiments of the present application disclose a drive installation method, device and cloud service system. A specific embodiment of the method comprises: in response to detecting that a trust certificate of a to-be-installed drive is not stored in a to-be-installed system, obtaining the trust certificate of the to-be-installed drive; importing the trust certificate into the to-be-installed system; and executing an installation command of the to-be-installed drive corresponding to the trust certificate. The embodiment can be applied to the field of cloud computing, and by pre-importing the trust certificate, the occurrence of a trust warning during Windows drive installation is prevented, so that the drive can be automatically installed through the installation command. As a necessary step for making a Windows image, the automatic installation of the Windows drive provides a prerequisite for the automation of the entire Windows image making process.

A method and system for securing communication between a Phasor Measurement Unit (PMU) and a Phasor Data Concentrator (PDC) in accordance with IEEE C37.118.2-2024. The method includes receiving, at the PMU, a command frame requesting an authentication certificate, receiving a configuration frame comprising an X.509 certificate of the PDC, generating a public-private key pair, and transmitting a configuration frame comprising an X.509 certificate of the PMU. Mutual authentication is performed by verifying received certificates using a trusted Certificate Authority. Upon successful authentication, the PMU transmits synchrophasor data messages formatted per IEEE C37.118.2-2024, each appended with a security algorithm field and a FALCON-512 digital signature generated over defined message fields. The PDC verifies signatures using the PMU's public key and authenticates messages only upon successful verification. Replay protection is achieved through SOC timestamp comparison, rendering quantum-resistant, authenticated, and integrity-protected synchrophasor communication without altering the original IEEE C37.118.2 frame structure.