Patent
Technologies for securing a firmware update
TLDR
In this article, the authors propose a secure firmware update using direct memory access (DMA) to the memory, a DMA remap module, and a firmware update module.Abstract:
Technologies for performing a secure firmware update include a compute device that includes a memory device to store firmware update payload, one or more devices that have direct memory access (DMA) to the memory, a DMA remap module, and a firmware update module. The DMA remap module is to create a memory isolation domain for each of the one or more devices. Each memory isolation domain comprises a physical address space in the memory that is mutually exclusive to the physical address spaces of the other memory isolation domains. The firmware update module is to (i) analyze the firmware update payload to identify one or more of the devices associated with the firmware update payload and (ii) move the firmware update payload to the memory isolation domains of each associated device to enable secure transmission of the firmware update payload to the associated devices.read more
Citations
More filters
Patent
Apparatus and method
TL;DR: An apparatus for automatically pre-configuring a hardware portion of a device before the device is set into a full operation mode has a processor as mentioned in this paper, which performs: obtaining a set of parameters for preconfiguring the hardware component of the device, defining a status of device, and providing the set of parameter parameters to the device for automatically configuring the device.
Patent
Anti-rollback version upgrade in secured memory chip
Tasher Nir,Admon Itay +1 more
TL;DR: In this article, a secured storage system includes a non-volatile memory and a controller, and the controller is configured to authenticate at least the second version identifier using the signature, to make a comparison between the stored first version identifier and the authenticated second version identifiers, and to replace the first data item with the second data item only in response to verifying that the second identifier is authenticated successfully.
Patent
Systems and methods for failsafe firmware upgrades
Cook Russell,Ramiah Somasundaram +1 more
TL;DR: In this paper, failsafe firmware upgrades in a vehicle telematics device are described, including a processor, a firmware memory, and a primary bootloader application located in the firmware image.
Patent
Securing a host machine against direct memory access (DMA) attacks via expansion card slots
TL;DR: In this paper, the authors present an approach for securing a host machine against security attacks conducted using Direct Memory Access (DMA) using PCI-based platform firmware, which does not allow drivers that might enable DMA to connect to the device and does not grant permission to the expansion card slot and any upstream bridges to conduct DMA.
Patent
A method for firmware upgrade
Zhi Tao,Lin Shengchang +1 more
TL;DR: In this paper, a method for firmware upgrade is proposed, which includes determining a first storage area information storing the currently running firmware in response to an upgrade command sent by the hostcomputer, receiving the upgrade data sent by a host computer, and writing the upgraded data into the second storage area according to the determined first storage information, wherein the firststorage area and second storage areas are firmware storage areas corresponding to the board card.
References
More filters
Patent
Address window support for direct memory access translation
TL;DR: In this paper, a translation mechanism was proposed to perform memory address translations for I/O DMA transactions via address window-based translations, which can facilitate access of one or more DMA devices to a memory device for direct memory access.
Patent
Secured firmware updates
TL;DR: In this article, the authors propose a mechanism to prevent a user from modifying firmware and other configuration information by controlling the mechanisms used to update that information, such that the user never has access to a device when firmware can be updated.
Patent
Memory device with volatile and non-volatile media
Nisha Talagala,David Flynn +1 more
TL;DR: In this paper, the authors describe a memory device with volatile and non-volatile media on a circuit board and a mapping module is configured to selectively store data in either the volatile memory medium or the nonvolatile memory medium.
Patent
System on chip to perform a secure boot, an image forming apparatus using the same, and method thereof
TL;DR: In this article, a system on chip (SOC) is proposed to store a plurality of encryption keys, a second memory, a third memory, and a CPU to decrypt encrypted data which is stored in an external non-volatile memory using an encryption key corresponding to the encryption key setting value.
Patent
System and method for providing a secure firmware update to a device in a computer system
TL;DR: In this paper, a system and method for providing a firmware update to a device of a computer system in which both the application and the user are authorized to perform the firmware update process is described.