From: Jarkko Sakkinen <jarkko@kernel.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-integrity@vger.kernel.org
Cc: keyrings@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>
Subject: Re: [PATCH v4 12/13] tpm: add the null key name as a sysfs export
Date: Sun, 23 Apr 2023 08:38:30 +0300 [thread overview]
Message-ID: <b1f3b34ec40b86fe74c128cdcd549a294da122f7.camel@kernel.org> (raw)
In-Reply-To: <20230403214003.32093-13-James.Bottomley@HansenPartnership.com>
On Mon, 2023-04-03 at 17:40 -0400, James Bottomley wrote:
> This is the last component of encrypted tpm2 session handling that
> allows us to verify from userspace that the key derived from the NULL
> seed genuinely belongs to the TPM and has not been spoofed.
How would you do this in practice with the help of this file?
The current description does not make a case to have this file, unless
it is supported by an usage example to do what you claim above.
BR, Jarkko
next prev parent reply other threads:[~2023-04-23 5:38 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 21:39 [PATCH v4 00/13] add integrity and security to TPM2 transactions James Bottomley
2023-04-03 21:39 ` [PATCH v4 01/13] crypto: lib - implement library version of AES in CFB mode James Bottomley
2023-04-23 3:34 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 02/13] tpm: move buffer handling from static inlines to real functions James Bottomley
2023-04-23 3:36 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 03/13] tpm: add kernel doc to buffer handling functions James Bottomley
2023-04-23 3:40 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 04/13] tpm: add buffer handling for TPM2B types James Bottomley
2023-04-23 4:12 ` Jarkko Sakkinen
2023-05-02 15:43 ` Stefan Berger
2023-05-03 11:29 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 05/13] tpm: add cursor based buffer functions for response parsing James Bottomley
2023-04-23 4:14 ` Jarkko Sakkinen
2023-05-02 13:54 ` Stefan Berger
2023-08-22 11:15 ` Jarkko Sakkinen
2023-08-22 13:51 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 06/13] tpm: add buffer function to point to returned parameters James Bottomley
2023-05-02 14:09 ` Stefan Berger
2023-05-03 11:31 ` Jarkko Sakkinen
2023-06-06 2:09 ` James Bottomley
2023-06-06 15:34 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 07/13] tpm: export the context save and load commands James Bottomley
2023-05-02 14:12 ` Stefan Berger
2023-04-03 21:39 ` [PATCH v4 08/13] tpm: Add full HMAC and encrypt/decrypt session handling code James Bottomley
2023-04-04 1:49 ` kernel test robot
2023-04-23 5:29 ` Jarkko Sakkinen
2023-11-26 3:39 ` Jarkko Sakkinen
2023-11-26 3:45 ` Jarkko Sakkinen
2023-11-26 15:07 ` James Bottomley
2023-11-26 15:05 ` James Bottomley
2023-12-04 2:29 ` Jarkko Sakkinen
2023-12-04 12:35 ` James Bottomley
2023-12-04 13:43 ` Mimi Zohar
2023-12-04 13:53 ` James Bottomley
2023-12-04 13:59 ` Mimi Zohar
2023-12-04 14:02 ` James Bottomley
2023-12-04 14:10 ` Mimi Zohar
2023-12-04 14:23 ` James Bottomley
2023-12-04 22:58 ` Jarkko Sakkinen
2023-12-04 22:46 ` Jarkko Sakkinen
2023-04-03 21:39 ` [PATCH v4 09/13] tpm: add hmac checks to tpm2_pcr_extend() James Bottomley
2023-04-23 5:32 ` Jarkko Sakkinen
2023-04-03 21:40 ` [PATCH v4 10/13] tpm: add session encryption protection to tpm2_get_random() James Bottomley
2023-04-03 21:40 ` [PATCH v4 11/13] KEYS: trusted: Add session encryption protection to the seal/unseal path James Bottomley
2023-04-03 21:40 ` [PATCH v4 12/13] tpm: add the null key name as a sysfs export James Bottomley
2023-04-23 5:38 ` Jarkko Sakkinen [this message]
2023-04-03 21:40 ` [PATCH v4 13/13] Documentation: add tpm-security.rst James Bottomley
2023-04-04 18:43 ` [PATCH v4 00/13] add integrity and security to TPM2 transactions William Roberts
2023-04-04 19:18 ` James Bottomley
2023-04-04 19:42 ` William Roberts
2023-04-04 20:19 ` James Bottomley
2023-04-04 21:10 ` William Roberts
2023-04-04 21:33 ` James Bottomley
2023-04-04 21:44 ` William Roberts
2023-04-05 18:39 ` William Roberts
2023-04-05 19:41 ` James Bottomley
2023-04-07 14:40 ` William Roberts
2023-04-23 5:42 ` Jarkko Sakkinen
2023-12-04 18:56 ` Stefan Berger
2023-12-04 19:24 ` James Bottomley
2023-12-04 21:02 ` Stefan Berger
2023-12-05 13:50 ` James Bottomley
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