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From: Mimi Zohar <zohar@linux.ibm.com>
To: Tushar Sugandhi <tusharsu@linux.microsoft.com>,
	dm-devel@redhat.com, agk@redhat.com, snitzer@redhat.com
Cc: linux-integrity@vger.kernel.org, nramas@linux.microsoft.com
Subject: Re: [PATCH 1/7] dm: measure data on table load
Date: Tue, 20 Jul 2021 22:12:16 -0400	[thread overview]
Message-ID: <713d22788b678c612c5b18edfb8cf849af61ace5.camel@linux.ibm.com> (raw)
In-Reply-To: <20210713004904.8808-2-tusharsu@linux.microsoft.com>

Hi Tushar, Mike, 

On Mon, 2021-07-12 at 17:48 -0700, Tushar Sugandhi wrote:
> +struct dm_ima_device_table_metadata {
> +       /*
> +        * Contains data specific to the device which is common across
> +        * all the targets in the table.e.g. name, uuid, major, minor etc.
> +        * The values are stored in comma separated list of key1=val1,key2=val2; pairs
> +        * delimited by a semicolon at the end of the list.
> +        */
> +       char *device_metadata;
> +       unsigned int device_metadata_len;
> +       unsigned int num_targets;
> +
> +       /*
> +        * Contains the sha256 hashs of the IMA measurements of the
> +        * target attributes key-value pairs from the active/inactive tables.
> +        */

From past experience hard coding the hash algorithm is really not a
good idea.

Mimi

> +       char *hash;
> +       unsigned int hash_len;
> +
> +};



  reply	other threads:[~2021-07-21  2:12 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-13  0:48 [PATCH 0/7] device mapper target measurements using IMA Tushar Sugandhi
2021-07-13  0:48 ` [PATCH 1/7] dm: measure data on table load Tushar Sugandhi
2021-07-21  2:12   ` Mimi Zohar [this message]
2021-07-21 15:42     ` Mike Snitzer
2021-07-21 16:07       ` Mimi Zohar
2021-07-21 21:17         ` Mimi Zohar
2021-07-29 19:58           ` Tushar Sugandhi
2021-07-13  0:48 ` [PATCH 2/7] dm: measure data on device resume Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 3/7] dm: measure data on device remove Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 4/7] dm: measure data on table clear Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 5/7] dm: measure data on device rename Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 6/7] dm: update target specific status functions to measure data Tushar Sugandhi
2021-07-13  1:06   ` Alasdair G Kergon
2021-07-14 20:23     ` Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 7/7] dm: add documentation for IMA measurement support Tushar Sugandhi
2021-07-21  2:33   ` Mimi Zohar
2021-07-24  7:25     ` Tushar Sugandhi
2021-07-26 16:33       ` Mimi Zohar
2021-07-26 18:28         ` Tushar Sugandhi
2021-07-14 11:32 ` [dm-devel] [PATCH 0/7] device mapper target measurements using IMA Thore Sommer
2021-07-14 20:20   ` Tushar Sugandhi
2021-07-27 10:18     ` Thore Sommer
2021-07-27 20:33       ` Alasdair G Kergon
2021-07-28  3:10         ` Tushar Sugandhi
2021-07-28 17:14           ` Thore Sommer
2021-07-29 17:32             ` Tushar Sugandhi
2021-07-28 17:34         ` Thore Sommer
2021-07-28 21:33       ` Alasdair G Kergon
2021-08-02 10:45         ` Thore Sommer
2021-07-29 19:24       ` Tushar Sugandhi
2021-08-02 10:38         ` Thore Sommer
2021-07-20 21:27 ` Mike Snitzer

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