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tpm: rename and export tpm2_digest and tpm2_algorithms

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Rename tpm2_* to tpm_* and move the definitions to include/linux/tpm.h so
that these can be used by other kernel subsystems (e.g. IMA).

Also, set the length of the digest array in tpm_digest to a new constant
named TPM_MAX_DIGEST_SIZE, equal to SHA512_DIGEST_SIZE.

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit is contained in:
Roberto Sassu
2019-02-06 17:24:48 +01:00
committed by Jarkko Sakkinen
parent bcfff8384f
commit aa04247593
6 changed files with 33 additions and 30 deletions
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9
include/linux/tpm_eventlog.h
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@@ -3,7 +3,7 @@
#ifndef __LINUX_TPM_EVENTLOG_H__
#define __LINUX_TPM_EVENTLOG_H__
#include <crypto/hash_info.h>
#include <linux/tpm.h>
#define TCG_EVENT_NAME_LEN_MAX 255
#define MAX_TEXT_EVENT 1000 /* Max event string length */
@@ -105,16 +105,11 @@ struct tcg_event_field {
u8 event[0];
} __packed;
struct tpm2_digest {
u16 alg_id;
u8 digest[SHA512_DIGEST_SIZE];
} __packed;
struct tcg_pcr_event2_head {
u32 pcr_idx;
u32 event_type;
u32 count;
struct tpm2_digest digests[];
struct tpm_digest digests[];
} __packed;
#endif