[dm-devel] [PATCH 1/7] dm: measure data on table load

[Mimi Zohar]

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;
> +
> +};