Patent
Nand-based verified boot
Daniel Ari Ehrenberg,William A. Drewry +1 more
- 02 Oct 2015
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TL;DR: In this article, a NAND-flash memory comprising a read-only portion storing boot code and a key, and a system on a chip (SoC) coupled to the NAND flash memory is provided.
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Abstract: A device including a NAND-flash memory comprising a read-only portion storing boot code and a key, and a system on a chip (SoC) coupled to the NAND-flash memory is provided. The SoC includes a read-only memory (ROM) storing one or more instructions and a processor configured to execute, upon startup, the one or more instructions stored in the ROM to request from the NAND-flash memory the boot code and the key. The processor further configured to load and execute the boot code to perform a chain of trust verification process on subsequent code during a booting process using the key. A method for using the device is also presented.
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Citations
Patent
Apparatuses and methods for trusted module execution
TL;DR: In this paper, a computer system including a processor and a memory is provided, which includes a microcode executing unit and a programmable fuse which stores trusted information which is pre-generated using China commercial cryptography algorithms.
7
Patent
Verified boot and key rotation
Deymonnaz Alejandro Martin,Krahn Darren David,Zeuthen David +2 more
- 12 Jul 2018
TL;DR: In this paper, the authors present a verified boot and key rotation system, in which a device extracts a first certificate for an intermediate key and a second certificate for a signing key, the first certificate and the second certificate being extracted from a system image.
4
Patent
Electronic devices and methods supporting unsecured system-on-chip secure boot functionalities
Govindarajan Jagan Kumar,Iyer Satish +1 more
- 21 Mar 2019
TL;DR: In this article, the authors describe secure boot functionalities performed utilizing an unsecured System-on-Chip (SoC) and an unlocked off-chip NVM component.
3
Patent
Soc-assisted resilient boot
Kotary Karunakara,Kubacki Michael,Dardis Sean +2 more
- 07 Feb 2019
TL;DR: In this paper, the root of trust is used to authenticate an update package to firmware located in non-volatile memory (NVM) associated with a microcontroller of a system on chip (SOC).
3
Patent
Non-volatile memory device with secure read
Rotem Sela,Levi Enosh +1 more
- 14 Feb 2019
TL;DR: In this paper, a non-volatile memory device provides data on a host interface only if a digest for the accessed data matches an expected digest for data stored in the NVRAM.
3
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