A vehicular control apparatus is used in an onboard system provided with a plurality of information processors mutually connected via a communication bus, and includes a storage section for storing information, and an arithmetic section for executing a process based on the information stored in the storage section. The information contains first management information relating to a security abnormality as a communication data abnormality owing to security attack from outside the onboard system, and second management information relating to a safety abnormality as a communication data abnormality owing to an abnormality in the onboard system. The first management information contains first limit condition information indicating a first limit condition for executing a security coping with the security abnormality. The second management information contains second limit condition information indicating a second limit condition for executing a safety coping with the safety abnormality. Upon detection of the communication data abnormality in the onboard system, the arithmetic section determines a coping content to the detected communication data abnormality based on the first management information and the second management information.

A processor includes a register to store an encoded pointer to a variable in stack memory. The encoded pointer includes an encrypted portion and a fixed plaintext portion of a memory address corresponding to the variable. The processor further includes circuitry to, in response to a memory access request for associated with the variable, decrypt the encrypted portion of the encoded pointer to obtain first upper address bits of the memory address and a memory allocation size for a variable, decode the encoded pointer to obtain the memory address, verify the memory address is valid based, at least in part on the memory allocation size, and in response to determining that the memory address is valid, allow the memory access request.

This disclosure relates to a data storage device. A data port transmits data between a host computer system and the data storage device over a data channel. The device repeatedly broadcasts advertising packets over a wireless communication channel different from the data channel. Each advertising packet comprises a random value and a message authentication code calculated based on the random value and an identity key. The identity key is readable by a device to be connected and in proximity of the data storage device out of band of the data channel and the communication channel. The identity key enables the device to be connected to verify the message authentication code based on the random value and the identity key to thereby authenticate the data storage device.

Systems and methods are described for providing secure storage of data sets while enabling efficient deduplication of data. Each data set can be divided into fixed-length blocks. The plaintext of each block can be convergently encrypted, such as by using a hash of the plaintext as an encryption key, to result in block-level ciphertext that can be stored. If two data sets share blocks, the resulting block-level ciphertext can be expected to overlap, and thus duplicative block-level ciphertexts need not be stored. A manifest can be created to facilitate re-creation of the data set, which manifest identifies the block-level ciphertexts of the data set and a key by which each block-level ciphertext was encrypted. By use of block-level encryption, nearly identical data sets can be largely deduplicated, even if they are not perfectly identical.

Methods and systems for assessing internet exposure of a cloud-based workload are disclosed. A method comprises accessing at least one cloud provider API to determine a plurality of entities capable of routing traffic in a virtual cloud environment associated with a target account containing the workload, querying the at least one cloud provider API to determine at least one networking configuration of the entities, building a graph connecting the plurality of entities based on the networking configuration, accessing a data structure identifying services publicly accessible via the Internet and capable of serving as an internet proxy; integrating the identified services into the graph; traversing the graph to identify at least one source originating via the Internet and reaching the workload, and outputting a risk notification associated with the workload. Systems and computer-readable media implementing the above method are also disclosed.

Disclosed herein are methods, systems, and apparatus for processing blockchain-based guarantee information. One of the methods includes receiving a first cyphertext of a first digital document specifying a guarantee from a first computing device associated with at least a first guarantor and one or more zero-knowledge proofs (ZKPs) related to one or more values associated with the guarantee, and the first digital document specifies one or more predetermined conditions of executing the guarantee; verifying that the one or more ZKPs are correct; storing the first cyphertext to a blockchain based on performing a consensus algorithm; receiving a first message from a second computing device associated with a beneficiary or a representative of the beneficiary.

A method including receiving, at multiple cloud computing servers, multiple streaming data sets for the same sensing task each from a respective client device. The streaming data set from each client device comprises sensed data sensed by one or more sensors of said client device. The streaming data sets are encrypted. Each respective streaming data set from a respective client device is divided into multiple streaming data set portions, each to be received at a respective one of the cloud computing server. The method also includes processing, at each respective cloud computing server, the corresponding streaming data set portions received to generate a corresponding share of a result for the sensing task. The method also includes encrypting, at each respective one of the cloud computing servers, the corresponding share of the result; and facilitating creation or update of a blockchain based on the encrypted shares of the result.

Embodiments described herein provide for system and methods to enable the secure streaming of real-time location data between electronic devices. One embodiment provides for a non-transitory machine-readable medium storing instructions to perform operations comprising creating record to specify a location streaming relationship between a first device registered with a first user account and a second device registered with a second online account, the record including a secret key. The record is stored to an online datastore and shared between the first user account and the second online account. The location data stream can be encrypted using the secret key stored in the record.

A wideband chaotic waveform that is rateless in that it may be modulated at virtually any rate and has a minimum of features introduced into the waveform. Further, the waveform provided may be operated below a signal to noise ratio wall to further enhance the LPD and LPE aspects, thereof. Additionally, the present disclosure may provide a mix of coherent and non-coherent processing techniques applied to signal samples to efficiently achieve coarse synchronization with a waveform that is faster, more efficient and more accurate than using time domain signal correlators alone.

An electronic device is provided. The electronic device includes a communication interface including circuitry, a memory, and a processor which, based on receiving ID information generated by performing a first encryption process on biometric information and password information generated by performing a second encryption process on the biometric information from an external electronic device through the communication interface, is configured to control the electronic device to: store the ID information and the password information in the memory. The processor, based on receiving first ID information and first password information from the external electronic device, is configured to control the electronic device to: acquire at least one candidate ID information from the memory based on the first ID information, compare password information corresponding to each of the acquired at least one candidate ID information with the first password information to identify one of the candidate ID information, and perform user authentication based on the identified candidate ID information and corresponding password information.