A method, system and device are disclosed. A premises device comprising a first operating system and a second operating system is described. The premises device comprises processing circuitry configured to establish a chain of trust at least between the first operating system and at least one software application associated with the second operating system. The processing circuitry is further configured to perform at least one action based at least in part on the established chain of trust.

The present invention provides various aspects for processing multiple types of substrates within cleanspace fabricators or for processing multiple or single types of substrates in multiple types of cleanspace environments particularly to form hardware based encryption devices and hardware based encryption equipped communication devices and multi-chip modules such as chiplets. In some embodiments, a collocated composite cleanspace fabricator may be capable of processing semiconductor devices into integrated circuits and then performing assembly operations to result in product in packaged form. Customized smart devices, smart phones and touchscreen devices may be fabricated in examples of a cleanspace fabricator. The assembly processing may include steps to form hardware based encryption.

An example operation includes one or more of encrypting, by a transport, received data based on a first biometric associated with an occupant, unencrypting, by the transport, the encrypted data, based on a verification of a second biometric, wherein the second biometric is a continuum of the first biometric, and providing, by the transport, the unencrypted data to the occupant.

A communications device for managing an authentication event is provided, which is configured to generate location data indicative of a geolocation associated with the communications device, retrieve, from a key that is obfuscated and stored in the communications device, the key, sign the location data with the retrieved key, and transmit request data to a communications server apparatus for requesting the authentication event, the request data comprising the signed location data. A method and a communications system for managing an authentication event are also provided.

An electronic device is disclosed that comprises a substrate and an electronic circuit with a layer between them. The layer comprises an electrically insulating medium containing a spatial distribution of conductive elements. The electronic circuit comprises memory contacts arranged for electrical connection to a corresponding contact on the substrate when at least one of the conductive element forms a connection between a memory contact and the corresponding contact but for electrical insulation from the corresponding contact when no conductive elements forms such a connection. A selection of the memory contacts, that is at least partially random, is thus electrically connected to the corresponding contact on the substrate. Memory circuitry is configured to store a representation of a respective electrical connection status of the memory contacts.

Each of a secure computation server apparatuses includes a random number generation part that generates random numbers using a pseudo random number generator shared among the secure computation server apparatuses; a seed storage part that shares and stores a seed(s) used for generating random numbers in the random number generation part; a pre-generated random number storage part that stores random numbers generated by the random number generation part; a share value storage part that stores a share(s) to be a target of processing; a logical operation part that computes a carry to be transmitted and received among the secure computation server apparatuses using the random numbers and the share(s) to be a target of processing; an inner product calculation part that removes a mask from the carry; and an arithmetic operation part that performs a processing of erasing the carry to obtain a processing result.

An integrated circuit device including processing circuitry, communications circuitry configured to provide a communication link with a communication apparatus external to the integrated circuit device, and a memory accessible by the processing circuitry and by the communications circuitry, the memory comprising a memory region to which the processing circuitry has write access and to which the communications circuitry has read access, in which the processing circuitry is configured to write information to the memory region indicative of one or more use conditions of the integrated circuit device, and in which the communications circuitry is configured to access the memory region and to provide the information indicative of the one or more use conditions of the integrated circuit device via the communication link.

A data providing apparatus obtains first privacy data and second privacy data, encrypts the first privacy data by using an encryption algorithm to obtain a ciphertext of the first privacy data, and sends the ciphertext of the first privacy data and the second privacy data to a data processing apparatus. The data processing apparatus inputs the ciphertext of the first privacy data and the second privacy data into a ciphertext computation function to obtain a ciphertext of a data processing result. In this way, the first privacy data is used in computation in a ciphertext form, thereby ensuring security. In addition, the second privacy data is used in computation in a plaintext form, thereby reducing ciphertext input for the ciphertext computation function.

According to various embodiments, a method for code-based generation of a key pair for asymmetric cryptography is described including generating a private key defining a linear code, determining a parity check or generator matrix for the linear code, blinding a sub-matrix of the parity check or generator matrix, generating a blinded inverse matrix by inverting the blinded sub-matrix or by inverting a quadratic matrix contained in the blinded sub-matrix, de-blinding the blinded inverse matrix to generate an inverse matrix and generating a public key for the private key using the inverse matrix.

A semiconductor device includes a first control unit, a second control unit, a random number generator, a first memory in which random numbers generated by the random number generator are stored, an encryption engine configured to perform encryption and decryption processes by using the random numbers stored in the first memory, and a second memory in which information related to random number generation is stored. The second control unit is configured to generate the random numbers by the random number generator based on the information related to random number generation.