The present invention relates to a reconfigurable switch forwarding engine parser capable of disabling hardware Trojans. The parser comprises a data preprocessing unit, several cascaded basic processing units and an extraction unit, wherein a key path of a basic processing unit of the first stage extracts and shifts a key bit keyword of a key, and sends a result to a data path of the current stage and a key path of the next stage; basic processing units of other stages carry out keyword extraction and shifting on a key frame and the data frame in sequence; and the extraction unit extracts the key frame and the data frame from a basic processing unit of the last stage, and forwards same to a subsequent packet processing part. The present invention can be widely applied to the design of the switch forwarding engine parser.

A system includes an intelligent electronic device (IED) and a proxy device communicatively coupled to the TED via a Media Access Control (MACsec) communication link. The proxy device is configured to perform operations that include receiving permissions data, receiving a request to perform an action associated with the TED, determining whether the action is authorized based on the permissions data, and transmitting data to the TED via the MACsec communication link in response to determining that the action is authorized.

Approaches for implementing quantum secure direct communication (QSDC) with mutual authentication are described. In an example, an encoded sequence of single-qubit states corresponding to bits within a bit string message may be prepared. The sequence of the single-qubit states in turn are prepared based on a randomly selected arbitrary basis. The encoded sequence once prepared may be transmitted to a receiving system over a quantum communication channel.

A receiver in a communication system may include a buffer and hardware. The buffer may be configured to store a communication signal comprising one or more pulses representative of data. The hardware may be configured to determine whether a data authentication pulse has been superimposed over at least one of the one or more pulses, and authenticate, based on the determination of whether the data authentication pulse has been superimposed over at least one of the one or more pulses, the one or more pulses as a valid representation of the data.

Various embodiments that pertain to an enterprise network that employs a block chain portion and a non-block chain portion. For a single transaction, a header of the transaction can be sent over the block chain network and the non-header of the transaction can be sent over the non-block chain network. A hash-based cuckoo filter can be used for communication of the header along the block chain network.

A system includes an intelligent electronic device (IED) and a proxy device communicatively coupled to the TED via a Media Access Control (MACsec) communication link. The proxy device is configured to perform operations that include receiving permissions data, receiving a request to perform an action associated with the TED, determining whether the action is authorized based on the permissions data, and transmitting data to the TED via the MACsec communication link in response to determining that the action is authorized.

An access client may transmit an access request to a server, and the access request may be an example of a decryption request or an encryption request. The access request may include access information and file information for a file to be accessed. The server may validate the access information and generate an access package that includes a set of access keys and executable code. The access keys may be transmitted to the access client. The access client may execute the executable code and decrypt or encrypt the file. The file may include one or more data packs that include file access policies, ownership information, and file access logs.

A modem of a smart electricity meter obtains, following a registration in the powerline communication network of the ad hoc type, routing information and encryption information, by exchanges of messages in the powerline communication network. The smart electricity meter saves in non-volatile memory the routing information and the encryption information, the routing information being saved in association with information representing an instant at which the backup is made. At the time of a subsequent re-registration of the smart electricity meter following a disconnection of the powerline communication network, the smart electricity meter retrieves the routing and encryption information previously saved in the non-volatile memory, updates it by deleting any route information that is no longer valid, and uses it to communicate in the powerline communication network.

The present invention relates to a reconfigurable switch forwarding engine parser capable of disabling hardware Trojans. The parser comprises a data preprocessing unit, several cascaded basic processing units and an extraction unit, wherein a key path of a basic processing unit of the first stage extracts and shifts a key bit keyword of a key, and sends a result to a data path of the current stage and a key path of the next stage; basic processing units of other stages carry out keyword extraction and shifting on a key frame and the data frame in sequence; and the extraction unit extracts the key frame and the data frame from a basic processing unit of the last stage, and forwards same to a subsequent packet processing part. The present invention can be widely applied to the design of the switch forwarding engine parser.

Devices, systems and methods for enhancing aircraft maintenance are disclosed. An exemplary method for improving dataloading in an airplane includes retrieving, from an in-flight entertainment connectivity (IFEC) system, at least one avionics software, the IFEC system comprising a mass storage device comprising a first storage segment and a second storage segment, the first storage segment being a secure storage segment configured to store the at least one avionics software, and the second storage segment being configured to store media content, and loading, using a wireless network converter coupled to a wired legacy port, the at least one avionics software onto a target avionics system.