Lattice Semiconductor has patented a system for secure asset management in programmable logic devices (PLDs). The system involves a secure PLD with programmable logic blocks and a configuration engine to program the PLD fabric based on stored configuration images, allowing for secure asset access requests and updates. GlobalData’s report on Lattice Semiconductor gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Secure asset management system for programmable logic devices
A recently granted patent (Publication Number: US11914716B2) discloses a secure programmable logic device (PLD) asset management system. The system includes a secure PLD with programmable logic blocks arranged in a PLD fabric and a configuration engine to program the PLD fabric based on a configuration image stored in non-volatile memory (NVM). The secure PLD performs a computer-implemented method involving receiving secure PLD asset access requests, authenticating them using private and public keys, and updating the asset based on lock status. The system also allows for secure PLD asset unlock and lock requests, configuration image storage, and device key management within the NVM.
Furthermore, the patent describes an external system with a processor and memory that can be connected to the secure PLD through the configuration input/output (I/O). The external system is capable of sending secure PLD asset unlock requests, providing device keys and configuration images to the secure PLD, and sending secure PLD lock requests. The secure PLD, in turn, receives these requests, performs asset update processes, and manages device keys and configuration images within the NVM. The system ensures secure asset management by authenticating requests, updating lock statuses, and enabling secure booting of configurations. Overall, the patent outlines a comprehensive system for managing assets in secure programmable logic devices, enhancing security and control over PLD configurations and keys.
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