linux-kernel - Re: [PATCH v3 2/2] ima: support calculating the boot

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Message-ID: <480498cc-861b-7efa-de6a-52bc651aad01@linux.microsoft.com>
Date:   Thu, 30 Jan 2020 08:53:45 -0800
From:   Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>
To:     Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc:     Jerry Snitselaar <jsnitsel@...hat.com>,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] ima: support calculating the boot_aggregate based
 on different TPM banks

On 1/30/2020 8:22 AM, Mimi Zohar wrote:

> +static enum hash_algo get_hash_algo(const char *algname)
> +{
> +	int i;
> +
> +	for (i = 0; i < HASH_ALGO__LAST; i++) {
> +		if (strcmp(algname, hash_algo_name[i]) == 0)
> +			break;
> +	}
> +
> +	return i;
> +}
> +

ima_digest_data is passed to ima_calc_boot_aggregate(). This struct 
contains the hash_algo. Can that be passed to 
ima_calc_boot_aggregate_tfm() instead of using the above function to get 
the hash_algo?

  -lakshmi