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SubjectRe: [PATCH 04/10] security: keys: trusted: Allow storage of PCR values in creation data
On Wed, May 04, 2022 at 04:20:56PM -0700, Evan Green wrote:
> diff --git a/security/keys/trusted-keys/trusted_tpm1.c b/security/keys/trusted-keys/trusted_tpm1.c
> index aa108bea6739b3..2975827c01bec0 100644
> --- a/security/keys/trusted-keys/trusted_tpm1.c
> +++ b/security/keys/trusted-keys/trusted_tpm1.c
> @@ -713,6 +713,7 @@ enum {
> Opt_hash,
> Opt_policydigest,
> Opt_policyhandle,
> + Opt_creationpcrs,
> };
>
> static const match_table_t key_tokens = {
> @@ -725,6 +726,7 @@ static const match_table_t key_tokens = {
> {Opt_hash, "hash=%s"},
> {Opt_policydigest, "policydigest=%s"},
> {Opt_policyhandle, "policyhandle=%s"},
> + {Opt_creationpcrs, "creationpcrs=%s"},
> {Opt_err, NULL}
> };
>
> @@ -858,6 +860,13 @@ static int getoptions(char *c, struct trusted_key_payload *pay,
> return -EINVAL;
> opt->policyhandle = handle;
> break;
> + case Opt_creationpcrs:
> + if (!tpm2)
> + return -EINVAL;
> + res = kstrtoint(args[0].from, 16, &opt->creation_pcrs);
> + if (res < 0)
> + return -EINVAL;
> + break;

I thought that TPM1 is deprecated. Are you sure you need more TPM1 features?

- Eric

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