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j16sdiz
Why is the private key saved on the rom?
duskwuff
Because that's the only key. HMAC isn't a private-key algorithm.
marshray
I think you meant to say HMAC isn't a public key algorithm.
richardwhiuk
It's a symmetric key algorithm not a public/private key algorithm.
[deleted]
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crispyambulance
The Supermicro Redfish API is unlocked with the same key, at least that was the case the last time I experimented with it back in 2019.

You can use Redfish, in theory, for bare-metal management of servers. I never went all the way with it, so I don't know how solid the implementation is.

tinus_hn
Alternatively you can probably download a free copy of FreeDOS and use that to install the update.
mrkstu
Does FreeDOS boot off a flash drive?
1MachineElf
Yes, it does. Booting a FreeDOS flash drive is how I update Supermicro BIOS and flash HBAs with IT mode firmware.
citrin_ru
It is possible to boot DOS from USB flash using systlinux.