摘要:
One or more methods and systems of generating pseudo-random numbers that are used as encryption keys in cryptographic applications are presented. In one embodiment, a method of generating pseudo-random numbers is performed by sampling output sequences of a linear feedback shift register with a specified periodicity. In one embodiment, the generating of pseudo-random numbers using linear feedback shift registers is accomplished by periodically switching between iterative outputs generated by multiple linear feedback shift registers. In one embodiment, a method of encrypting a pseudo-random number generated by a linear feedback shift register comprises using a nonlinear operator. In one embodiment, a method of further encrypting a pseudo-random number is accomplished by using a hashing function whose initial value varies over time by way of a function operating on one or more variables. In one embodiment, an apparatus for generating pseudo-random numbers using linear feedback shift registers comprises a digital hardware.
摘要:
A data bridge controls packet transfers between network fabrics forming a closed network, such as a vehicular network. The data bridge includes two or more sets of modules, each of which communicates with a different network fabric. When a packet is to be delivered between network fabrics, a first set of modules, which is used to communicate with a first network fabric, decides whether to accept the packet or discard it. If the packet is accepted, it is delivered to a second set of modules, which is used for communicating with a second network fabric. The second set of modules makes a second, independent decision about whether the packet will be sent to the second network fabric. Each set of modules can base its decision on packet content type, and may discard any packet not to be delivered to the other network.
摘要:
Members of a social network (SNET) circle can share content with other members of SNET circle, members of the same SNET that are not members of the same circle, or send content to people or devices outside of SNET. Different levels of content security can be applied to the shared content, depending on who requests the content, the destination of the content, user preferences, content type, SNET, SNET circle, or other security parameters. Content can be tagged to limit the number of times it can be accessed, the length of time access is allowed, and to otherwise control redistribution. Content can also be protected by limiting host network access to the content, implementing SNET circle firewalls and virtual private networks, or transcoding content before allowing transmission to non-SNET circle or SNET members. Docking of devices into an SNET security circle can be restricted to properly secured devices.
摘要:
A mobile video device includes a transceiver module that receives navigation data corresponding to a plurality of video programs including at least one unicast video program and at least one multicast video program, that transmits selection data and that receives a video signal in response thereto. An interface module receives interface data in response to actions of a user. A video display device generates a selection display based on selection display data in a video selection mode and that generates a video display in a video display mode based on the video signal. A video application module generates the selection display data based on navigation data, that generates selection data based on user interface data.
摘要:
A power distribution system within a vehicle operates to provide power over Ethernet to a plurality of network node modules coupled to a vehicular communication network of the vehicle.
摘要:
A network node module includes a processing module and memory. The processing module is operable to generate a header section of a frame for transmission within a unified vehicle communication network. The header section includes a preamble, routing information, and a vehicle network field, which includes information that identifies a type of the frame. The processing module is further operable to generate a payload section of the frame. The payload section includes data payload and an integrity check field. The processing module is further operable to transmit the frame to the unified vehicle communication network in accordance with a global vehicle network communication protocol.
摘要:
A network node module within a vehicle operates to manage devices coupled to a vehicular communication network of the vehicle based on a use mode defining rights and privileges for operating in the vehicular communication network. Upon being configured in accordance with a particular use mode of a set of use modes, the network node module can identify a device coupled to the vehicular communication network and enable the device to operate within the vehicular communication network in accordance with the use mode. The network node module is securely reconfigurable to any use mode in the set of use modes.
摘要:
A method and apparatus for allocating resources in a social network. In one embodiment, access to resources of a social network and participant social devices is managed through general or member class-specific access rights. Such access rights may also be established for authorized guests or non-members of the social network. In further embodiments, social resources may be offered and (re)allocated in a dynamic manner through real time usage and availability analysis.
摘要:
Transmitting streamed video to at least one wireless terminal by a wireless network having a channel frequency reuse pattern. The wireless network receives a request for the streamed video from the at least one wireless terminal and receives position information from the at least one wireless terminal requesting the streamed video. The wireless network selects a transceiving device to service transmission of the streamed video to the at least one wireless terminal. The transceiving device is allocated a first channel frequency set of the channel frequency reuse pattern. The wireless network or a component thereof selects a channel from a second channel frequency set that is different from the first channel frequency set. The transceiving device then, using a directional antenna, transmits the streamed video to the at least one wireless terminal in a direction based upon the position information using the selected channel.
摘要:
A power distribution and management system within a vehicle operates to provide power over Ethernet to a plurality of powered devices coupled to a vehicular communication network of the vehicle.