119 results about "Tamper resistance" patented technology

The application discloses a kind of commercial operating place safety detection authentication, evidence storage and public verification system and method, by building multidimensional standardization place safety detection system, detection operation and information upload are completed by merchant end self-service, system is automatically in accordance with unified rules Compliance determination, and tamper-proof solidification evidence storage is carried out to whole-process data, and the compliance certification voucher with effective period is issued for the check-up qualified business store, while generating visual verification mark that can be identified and inquired by outside.This scheme takes single entity store as management unit, realizes periodic authorization control, and can complete data docking and information linkage publicity with online service platform and supervision system.The detection process of the application is standardized and unified, the data is traceable throughout the process, and the verification channel is open and transparent, which makes up for the technical deficiencies of traditional place safety investigation, such as lack of standardization, no evidence storage and no public verification channel, and can provide compliance basis for business subjects, provide objective and unified safety evaluation reference for platform and supervision units, and adapt to the standardized compliance of various commercial operating places.

To provide a data tampering detection device that can accurately detect alterations to the original data. [Solution] The system includes: a source data acquisition unit 91 that acquires source data from source data DB22; a source data match determination unit 92 that calculates a hash value from the source data acquired by the source data acquisition unit 91 and determines whether the calculated hash value matches the source data hash value corresponding to the source data; a third-node data acquisition unit 93 that acquires source data hash values ​​corresponding to the source data from other nodes 30B and 30C; a hash value verification unit 94 that verifies whether the source data hash value that has been determined to match the source data has not been tampered with, based on the source data hash value recorded in the local node 30A that corresponds to the source data and the source data hash value acquired from other nodes; and a tampering determination unit 95 that determines whether the source data has been tampered with, based on the determination result of the source data match determination unit 92 and the verification result of the hash value verification unit 94.

The application discloses an IMD protective cover for injection molding composite FPC, which comprises an IMD protective cover body, a front cover body and a back cover body formed by bending, a main FPC assembly, the front cover body is provided with a front FPC, the back cover body is provided with a back FPC, a first connecting FPC is arranged at the corner of the front cover body and is signal connected with the front FPC, a second connecting FPC is arranged at the corner of the back cover body and is signal connected with the back FPC, the front FPC and the back FPC are arranged on the front cover body and the back cover body of the IMD protective cover body respectively, the first connecting FPC and the second connecting FPC which are signal connected with the front FPC and the back FPC are arranged at the corners of the front cover body and the back cover body correspondingly, an FPC network covering the key part of the protective cover is formed, illegal intrusion behavior can be effectively prevented, and the anti-tampering ability and the data security protection level of the POS machine are improved obviously.

This application relates to the field of monitoring data processing technology, and particularly to a method, device, and storage medium for preventing monitoring data from being tampered with. The method includes: during the recording of monitoring data, simultaneously acquiring a thermal noise segment from an imaging sensor for each video frame, reducing equipment costs and deployment difficulty; calculating the image activity metric of the video frame and the noise energy metric of the thermal noise segment, requiring minimal computation and meeting the simple real-time needs of ordinary monitoring equipment; performing an arithmetic combination of the image activity metric and the noise energy metric to obtain a frame verification feature value, which is then associated with and stored with the video frame, making it difficult to forge and having low storage overhead; acquiring the video frame to be verified and generating a verification feature value based on the video frame; determining that the monitoring data has been tampered with when the deviation between the verification feature value and the stored verification feature value exceeds a preset range, thus achieving low-cost, low-complexity, and high-real-time monitoring data integrity protection.

The application discloses a real asset fair and safe transaction processing method and system based on a trusted execution environment, and relates to the technical field of digital transaction. The method comprises the following steps: in response to a connection request of a client, transaction data is acquired; the transaction data types include: conventional real asset transaction data and sealed transaction data containing a bid; a session key is generated by negotiation between the client and a verified TEE node; the TEE is a trusted execution environment; the transaction data is encrypted by the client based on the session key; the encrypted data packet is anonymously submitted to the TEE node, so that the TEE node decrypts the encrypted data packet based on a private key, transaction screening processing is performed on the decrypted transaction data based on the transaction data type, and winning transaction data is obtained; after the winning transaction data is verified in terms of integrity and legality, the winning transaction data is submitted to a block chain for block packaging and data storage, and incentive distribution is performed. The application can guarantee tamper-proof transaction order and transparent income distribution.

The application provides a chain storage-based intelligent tamper-proofing method and system for medical data, relates to the technical field of medical data security, and comprises the following steps: adaptively segmenting medical data according to semantic boundaries, extracting feature abstracts, establishing bidirectional chain identifiers, and embedding a storage structure, so that forward and backward tracing and checking are realized; when it is detected that the integrity checking is inconsistent, the tamper-proofing path and range are located based on the bidirectional chain identifiers, isolation marking and semantic boundary identification are adjusted, and a redundant chain association path is added, so that efficient tamper-proofing protection of medical data is realized.

To improve the tamper resistance of semiconductor devices against physical attacks. [Solution] The semiconductor device according to this disclosure includes a transition circuit that transitions a state at a predetermined Hamming distance according to the result of comparing a value to be authenticated with a reference value, and a determination circuit that determines the validity of the authentication by determining whether the Hamming distance between the state before the transition and the state after the transition matches the predetermined Hamming distance.

A sensor, including: a gradiometer including a plurality of magnetoresistors, the gradiometer being configured to generate a sensing signal in response to a magnetic field that is at least in part produced as a result of an electrical current flowing through a conductor; and electronic circuitry configured to detect an electrical current consumption of the gradiometer, compare the electrical current consumption against at least one of a first threshold and a second threshold, and output an indication that the sensor is subject to tampering based on an outcome of the comparison.

This disclosure relates to a hydraulic excavator and its hour counter anti-tampering method and system, as well as an electronic monitor. The anti-tampering method for the hydraulic excavator hour counter includes: when the hour counter count changes, the electronic monitor determines whether there is suspicious activity in the hour counter; if suspicious activity is found, the electronic monitor actively drives the engine speed to change, wherein the engine of the hydraulic excavator is a mechanical engine; the electronic monitor acquires the current engine speed; the electronic monitor determines whether the current engine speed is consistent with a set speed; if the current engine speed is inconsistent with the set speed, the electronic monitor determines that the current hour counter count is a first invalid count. This disclosure can achieve anti-tampering of the hour counter of a hydraulic excavator based on a mechanical engine, effectively preventing the hour counter from being tampered with.

The application discloses a kind of zero job platform multi-tenant authority hierarchical access control processing methods, specifically related to computer network and information security technical field, for solving the difficulty of cross-domain access under multi-tenant cooperation to consider isolation, dynamic authorization and tamper-proof archiving;By responding to the cross-domain collaborative matching event triggered by the first tenant and the second tenant for the target user, the minimum set attribute data is extracted and the target shadow entity is generated in the second tenant, the entity binding message is output to the API gateway layer, and the first permission policy token is generated and issued around the life cycle state vector, the global permission fuse is triggered at the archiving lock node, the identification and rollback cleaning of the to-be-tested cross-domain concurrent write request are identified and rolled back, the pre-archiving cache area is formed and the final state shadow entity is obtained, and then a data digest hash tree is generated based on the cross-domain interaction data, a digital signature is received and a three-party signature consensus verification is performed, and a legal release voucher and a right-confirmation archiving load are output.

This invention relates to the field of information security technology, specifically to a blockchain-based anti-tampering system for marine environmental data. The system includes a wave crest localization module, a waveform feature extraction module, a fingerprint generation module, a tag mapping module, and an on-chain storage module. In this invention, deep analysis of seawater multispectral light intensity waveform data is performed to extract wave crest curvature geometric indices and wavelength differences, constructing a set of morphological parameters. Component coupling weights are used to generate an on-chain fingerprint sequence reflecting the constraints of water quality components. Dynamic state tags are generated by mapping instantaneous flow velocity to tidal cycle flow velocity ranges. The fingerprint sequence and dynamic tags are encapsulated into blocks and subjected to fluid dynamic continuity verification. A distributed ledger consensus mechanism is used to lock the physical temporal relationship of the data, realizing a transformation from simple numerical recording to multi-dimensional logical verification of environmental characteristics, effectively avoiding the tampering risks associated with centralized storage.

A connector for connection to a fluid transfer device comprises an outer body having a longitudinal axis, and a luer lock connection port positioned within the outer body and configured to couple with an external port of the fluid transfer device, the luer lock connection port being rotatable in at least one of a clockwise direction and a counterclockwise direction about the longitudinal axis at least prior to initiation of coupling with the external port, the outer body being structured to prevent an operator from directly accessing the exterior of the luer lock connection port with their fingertips through the outer body after the luer lock connection port is coupled with the external port, and the luer lock connection port being positioned within the outer body.

The application discloses a kind of high-temperature equipment remote monitoring method and platform based on Internet of Things, it is related to industrial Internet of Things and fault diagnosis technical field.The method is triggered by non-destructive micro-excitation when identifying that measuring point is in steady-state thermodynamics window through edge computing gateway, fitting thermal response time constant;The gradual drift bias of measuring point is extracted based on state space model;Then the above-mentioned extraction features, multi-source heterogeneous high-frequency acquisition data and three time stamp sequences are assembled into multidimensional evidence package, and are reported after being stored by hash encryption signature;After evidence package is signed by cloud platform, the integrated reliability score of measuring point is calculated, and strict according to hard safety threshold Uncontrollable strategy is executed Intelligent alarm grading disposal and maintenance work order scheduling.The application realizes the high-confidence online non-destructive diagnosis of sensor physical degradation without interfering with the underlying main control loop, effectively eliminates false alarm, optimizes the operation scheduling based on financial cost, and provides a completely tamper-proof digital audit chain for industrial monitoring, greatly improving the overall safety and economy of high-temperature equipment operation.

A system for the tamper-proof verification of digital media, comprising the following functions: a) generating a cryptographic pattern by a physical device, wherein the pattern is derived from a timestamp, a device identification, and a random value, and signed using a cryptographic signature procedure with a non-extractable key stored in a security element; b) transmitting the pattern by the physical device using a physical signal that is not perceptible or only partially perceptible to humans; c) capturing the pattern by a digital capture device during the recording of a digital medium; d) recognizing and extracting the pattern from the recorded digital medium by an application; e) calculating at least one cryptographic hash and at least one perceptual hash of the digital medium; f) anchoring the verification data in a tamper-proof data storage device;g) Verification of the digital medium by comparing the calculated hashes with the anchored values ​​and checking the match of the extracted pattern with the generated pattern.

To provide a packaging box with alteration prevention unpacking trace function which makes it possible to confirm a trace of unpacking on the way of physical distribution from the appearance of a corrugated cardboard box, and which can be stacked stably.SOLUTION: A packaging box 101A with alteration prevention unpacking trace function is made of one piece of a corrugated cardboard sheet, and a body part includes upper flaps 4 continuously provided at an upper end edge of a left surface side plate 2c and an upper end edge of a right surface side plate 2d respectively via a folding ruled line, and extending above an opening. A lid plate 3 has an insertion piece 5, and the insertion piece has first lock pieces 6. The packaging box with alteration prevention unpacking trace function has a lock mechanism in which, when the insertion piece is inserted between a front surface side plate and the upper flaps in a state where the first lock pieces are folded to the inside of the insertion piece, the first lock pieces are locked to a lower surface of the upper flaps.SELECTED DRAWING: Figure 1

Arrangements are provided for generating tamper-proof quantum-resistant data structures for storing digital communications transmitted over pubic electronic mediums, such as the Internet. The digital communication may include audio and video data. The tamper-proof quantum-resistant data structures may be stored in a repository used for verifying whether digital copies, such as video clips, are authentic copies or whether they have been altered, such as by artificial intelligence, to include misinformation or disinformation.

To provide a tamper-evident packaging and inventory management system that can easily and inexpensively detect tampering. [Solution] The tamper-evident packaging 1 comprises a packaging body 10 having an opening section 11, a radio wave shielding bag 20 attached to the opening section 11, and a radio wave transmitter 30 sealed in the radio wave shielding bag 20. When the opening section 11 is opened, the radio wave shielding bag 20 is destroyed, and radio waves from the radio wave transmitter 30 become able to be transmitted to the outside of the radio wave shielding bag 20.

Systems and methods of executing secure write operations within combined supervisory control and data acquisition (SCADA) and programmable logic controller (PLC) systems including receiving an operator interaction at a user interface of a SCADA system, generating an encoded secure write instruction based on the operator interaction in a tamper-resistant secure format at the SCADA system, transmitting the encoded secure write instruction from the SCADA system to a PLC, extracting an operation instruction comprising an operation and a plurality of operation parameters by decoding the encoded secure write instruction at the PLC, and one of executing the operation instruction and rejecting the operating instruction at the PLC.

A tamper-evident bag assembly that can be sealed to enclose contents within the bag assembly in a tamper-evident manner. The bag assembly is provided with closure tabs that can be folded over the top edges of the bag assembly and sealed to a side panel of the bag. Strategic portions of the bag assembly can be scored to indicate tampering if unsealing of the adhesive takes place. The bag assembly is also provided with a pull tab designed facilitate opening of the sealed bag assembly to reveal the contents contained therein. When the pull tab is used to open the sealed bag, the bag cannot be re-sealed.

This invention discloses a method, system, apparatus, and online payment clearing platform for processing reconciliation files. The method includes: generating a key file corresponding to a terminal; generating a first reconciliation file based on the transaction flow data of the terminal within a transaction period; encrypting the first reconciliation file based on a first digital envelope included in the key file to generate a second reconciliation file; performing hash signature processing on the key file to generate a first signature file; and performing hash signature processing on the second reconciliation file to generate a second signature file; and sending the key file, the first signature file, the second reconciliation file, and the second signature file to the terminal, so that the terminal can perform business reconciliation processing based on the received files. Encrypting the reconciliation file through a two-layer data encryption mechanism improves the security of the information data in the reconciliation file; the two-layer data signature mechanism enhances the non-repudiation and tamper-proof capabilities of the reconciliation file.

A method includes determining, by a processing module of a data logging device, whether an event has occurred that potentially compromises reliability of the data logging device. The method further includes, when the event has occurred, determining, by the processing module, whether the reliability of the data logging device has been compromised. The method further includes, when the reliability of the data logging device has been compromised, generating, by the processing module, a compromised indication signal. The method further includes, when the reliability of the data logging device has not been compromised, generating, by the processing module, a data integrity indication signal.

The application discloses a tamper-proof trusted index query method and device and electronic equipment. The main idea of the application is that, in addition to saving complete and trusted information of blocks and transactions on the block chain, indexes of blocks, transactions, accounts, contracts and the like are constructed on the chain, only quick query information and the address of specific information on the chain are saved in the indexes, the database pressure is reduced, and real-time query is achieved. When the indexes are constructed, a hash locking mechanism is used, and meanwhile, context links are established between adjacent index rows through field information, the index storage error or tampering is prevented through the hash locking and context linking mechanism, the indexes are bound with the block chain or transaction information, and it is ensured that the data queried from the indexes is also trusted. Under the premise of safety and trustworthiness, the application solves the low performance problem encountered in the information query process of the block chain, transactions, accounts, contracts and the like under large data, and improves the availability of the block chain under large data.

The utility model discloses an anti-leakage wine bottle which comprises a bottle body, a bottle opening is formed in the bottle body, and a groove is formed in the position, close to the bottle opening, of the bottle body. The bottle cap comprises a main cap body and a tamper-proof ring connected with the bottom of the main cap body, the main cap body is connected with the bottle opening through threads or a buckle, and the tamper-proof ring is arranged on the periphery of the groove; the sealing gasket is arranged on the inner top surface of the bottle cap; the bottle cap is tightly pressed on the bottle opening through automatic equipment, the tamper-proof ring is clamped in the groove below the threads of the bottle opening through the elastic ring, the filler and the retainer structures, it is guaranteed that the bottle cap cannot be directly pulled out, the tamper-proof ring is tightly pressed on the bottle opening through the tamper-proof ring, and the tamper-proof ring is tightly pressed on the bottle opening through the elastic ring, the filler and the retainer structures. And meanwhile, after the main cover body is opened and detached, the tamper-proof ring is still limited in the groove of the bottle opening, so that the tamper-proof ring is prevented from falling off.

A computer-implemented Universal Quantum Access Key (UQAK) system provides quantum-secure identity authentication, policy-controlled authorization, domain-namespace routing, and interoperable settlement. A namespace resolver resolves a human-readable identifier, parcel identifier, subdomain identifier, or basepoint identifier to a signed endpoint record. An identity module authenticates a subject identity anchor. An event-ingestion module receives a digitally signed event record, transaction request, evidence commitment, or terminal-originated payment event. A Time-Proof engine binds the event to a time reference, validity window, and anti-replay value. A policy container loads a signed, versioned policy bundle or PackSet. A transaction authorization and minting engine executes a single atomic state transition that authorizes a protected action, binds an associated token, value unit, certificate, entitlement, or authorization state, generates a decision or mint receipt, and anchors a digest in a tamper-evident data structure. A clearing and settlement module generates a settlement receipt.

The application discloses a space-time trusted event sequence forced recording and anti-tampering system and method based on a hardware root of trust. The system comprises an absolute timing recording unit, an event causal chain forced construction unit, a causal chain integrity verification unit and a timing anomaly detection and response unit. The absolute timing recording unit uses a hardware crystal oscillator physical beat independent of a programmable clock source as a unique time reference, and the firmware thereof is signed and solidified by a hardware root of trust at the factory, and any modification must be experienced signing; the causal chain forced construction unit generates a causal chain record package containing a previous hash, a current hash, a hardware timestamp and an identity signature for each event; the integrity verification unit verifies the event sequence integrity by comparing the previous hash value. The identity signature key of the absolute timing recording unit is generated by an anti-quantum AI security chip, the private key is stored in the OTP area inside the chip, and is transmitted through the TrustZone Secure World secure channel when called. The application stipulates linkage with a continuous behavior entropy monitoring system and an AI Agent behavior auditing system, and ensures that the data source of AI autonomy determination and Agent behavior auditing has high credibility in the time dimension.

Closures with a tamper evidence band that is configured to connect it to the container neck are disclosed. Methods and systems for carrying out the methods, and to mold stacks for making the closures are also disclosed. The tamper evidence band may comprise one or more flaps configured to pivot along a connecting line as the closure is screwed onto a container neck in a screwing direction. The flap(s) may be configured to deploy on rotation of the closure in an unscrewing direction opposite the screwing direction. Such deployment may case the flap(s) to engage a flange of the container neck to retain the tamper evidence band on the container neck.

An animal tracking collar comprises an elongated collar portion 110 and a securing enclosure 130. The collar portion comprises a core and an outer sleeve formed of a cut-resistant fibre enclosing the

An electromagnetic (EM) shield for a semiconductor chiplet composed of frontside interconnect metal layers forming a top metal mesh above the surface of the chiplet and backside interconnect metal layers to form a metal mesh below the chiplet surface. The shield further includes a through-insulator-via (TIV) at a crack stop location of the chiplet that connect the top metal mesh to the bottom metal mesh. Alternatively, the EM shield can include a top metal plate above the top surface of the chiplet and a bottom metal plate below the bottom surface of the chiplet and includes vertical TIVs at die sidewall edges. Further, the top metal and bottom plates can each be co-integrated with a respective mid-via MIM capacitor respectively located between two frontside and two backside interconnect metal levels. The shield is tamperproof preventing attacks and probing and is connected to isolated BEOL layers separate from a power grid.

The present application relates to the field of data security, and particularly relates to a power grid information security storage sharing method and system based on a block chain.A power grid information security storage sharing system based on a block chain comprises a power grid information security storage alliance chain construction module, a power grid information storage sharing module and an alliance chain node identity authentication module.The power grid information security storage alliance chain constructed by using the block chain technology in the present application realizes the interconnection of power grid information, guarantees the authenticity, transparency, traceability and tamper resistance of information, and comprehensively guarantees the security and accuracy of power grid information, which plays an important role in guaranteeing the security interaction and sharing of power grid information; and the identity of the alliance chain node is authenticated regularly, the credibility of the power grid information chain is guaranteed, and the security of the power grid information is further improved.

The application discloses a cross-domain one-way communication device and method, and the device comprises a one-way physical isolation channel, a hardware check unit, a monotonic counter; pure hardware one-way transmission data, anti-tampering and anti-replay, abnormal frame hardware interception, and key solidification storage. The application improves communication stability and is suitable for a cross-domain data transmission scene of a smart phone.