TPM

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Ourck20-1
Posts: 4
Joined: 2019/10/24 08:38:01

TPM

Post by Ourck20-1 » 2019/10/24 13:57:44

Hello
I have a tpm error at boot time with no consequence on procedure.
Do you know a way of getting rid of this warning ? it seems to be a windows process
HP840 centos8 ssd 1t 12g ram - previous os (long ago !) w$10 !!!
Best
Fred

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KernelOops
Posts: 102
Joined: 2013/12/18 15:04:03
Location: xfs file system

Re: TPM

Post by KernelOops » 2019/10/25 09:12:58

TPM is usually a security chip that holds various keys, passwords, hashes and similar data. One such example, is Bitdifender uses a TPM to store its harddrive encryption keys.

If your laptop has such a chip, you can disable it from the BIOS.
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I love my computer - all my friends live there.
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Ourck20-1
Posts: 4
Joined: 2019/10/24 08:38:01

Re: TPM

Post by Ourck20-1 » 2019/10/25 09:58:27

many thanks @KernelOops I'll check bios but strangely boot proceeds with no failure !
So, whats the use of such a key if the door remains open ???
Best
F.

BShT
Posts: 116
Joined: 2019/10/09 12:31:40

Re: TPM

Post by BShT » 2019/10/25 11:47:27


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KernelOops
Posts: 102
Joined: 2013/12/18 15:04:03
Location: xfs file system

Re: TPM

Post by KernelOops » 2019/10/25 12:00:01

because the TPM is not supposed to block the boot process. Its just a storage area for secret keys and passwords.

UEFI Secure Boot is used for blocking the boot process if signature verification fails.
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I love my computer - all my friends live there.
--

Ourck20-1
Posts: 4
Joined: 2019/10/24 08:38:01

Re: TPM

Post by Ourck20-1 » 2019/10/25 13:58:03

Thanks, I followed the link...

"You are now ready to get ownership of your TPM module and start the fun 🙂
In future articles we’ll see how we can use it and also how we can program it…"

TPM active, but i still don't see the needs...
This machine used to be corporate i guess, i bought it & changed ssd, added ram & changed os !
I tried quite a number of distros and i get this warning for the first time !!!
yet now i know this exists !
i thought keys & passwords where stored ... somewhere, safely i guess, xept root psswrd
So, it can be done locally...
I'll dig for more info !
Best
F.

BShT
Posts: 116
Joined: 2019/10/09 12:31:40

Re: TPM

Post by BShT » 2019/10/25 14:48:05


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