Linux IoT and secure firmware updates

Identifying secure firmware update mechanisms for embedded Linux devices and open source options
September 15, 2017
Alex Gonzalez
[…]With regards to embedded devices, the firmware update mechanism must be not only secure, but also reliable in that it either succeeds in the update or fails to a recoverable state. In no way should the software update brick a device, and it should be able to happen unattended. Most updates must also preserve the previous device state, although on some occasions recovering a device could involve resetting to a default state.[…]


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