Firmware encryption for microprocessor/microcomputer

TL;DR: In this article, a method and system for maintaining integrity and confidentiality of pages paged to an external storage unit from a physically secure environment is presented, which takes the form of taking a one-way hash of the page using a well-known oneway hash function.

TL;DR: In this paper, the authors present techniques to protect intellectual property cores on field programmable gate arrays (FPGAs) by associating each FPGA with a secret key, which is used to charge a customer per-use or per-configuration of their intellectual property.

TL;DR: In this article, a field programmable gate array (FPG) has security configuration features to prevent monitoring of the configuration data for the FPGA array, which is stored in an external nonvolatile memory (32).

TL;DR: In this paper, an instruction code including the instruction code stored in the area where the encrypted instruction code is stored in a non-rewritable format is authenticated using a specific key which is specific to the core where the instructions are executed or an authenticated key by a specific public key to perform an encryption processing for the input and output data between the core and the outside.

TL;DR: In this article, a method for decoding instructions in a microcomputer and a micro computer for effecting the same, in which an instruction is coded into at least two types of instruction codes and stored in a storage unit and in which, under the control of discriminating circuit for discriminating the coded format, each instruction code is decoded by one of at least three decoders in accordance with one of the decoding formats, so that the stored software is prevented from being learned by third persons.