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authorRoberto Sassu <roberto.sassu@huawei.com>2019-02-06 17:24:48 +0100
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2019-02-13 09:48:51 +0200
commitaa042475938f5818b0c1b6203061e85ad2535dbc (patch)
treefc8877456080261012f396f53514626c122fac33 /drivers/char
parentbcfff8384f6c4e6627676ef07ccad9cfacd67849 (diff)
downloadlinux-aa042475938f5818b0c1b6203061e85ad2535dbc.tar.bz2
tpm: rename and export tpm2_digest and tpm2_algorithms
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>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm-interface.c2
-rw-r--r--drivers/char/tpm/tpm.h13
-rw-r--r--drivers/char/tpm/tpm1-cmd.c2
-rw-r--r--drivers/char/tpm/tpm2-cmd.c18
4 files changed, 12 insertions, 23 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 2b31eff06b0e..9c6aa77b5dee 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -318,7 +318,7 @@ EXPORT_SYMBOL_GPL(tpm_pcr_read);
int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, const u8 *hash)
{
int rc;
- struct tpm2_digest *digest_list;
+ struct tpm_digest *digest_list;
int i;
chip = tpm_find_get_ops(chip);
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index cd330ace6248..0e54061d3fd1 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -122,17 +122,6 @@ enum tpm2_return_codes {
TPM2_RC_RETRY = 0x0922,
};
-enum tpm2_algorithms {
- TPM2_ALG_ERROR = 0x0000,
- TPM2_ALG_SHA1 = 0x0004,
- TPM2_ALG_KEYEDHASH = 0x0008,
- TPM2_ALG_SHA256 = 0x000B,
- TPM2_ALG_SHA384 = 0x000C,
- TPM2_ALG_SHA512 = 0x000D,
- TPM2_ALG_NULL = 0x0010,
- TPM2_ALG_SM3_256 = 0x0012,
-};
-
enum tpm2_command_codes {
TPM2_CC_FIRST = 0x011F,
TPM2_CC_HIERARCHY_CONTROL = 0x0121,
@@ -545,7 +534,7 @@ static inline u32 tpm2_rc_value(u32 rc)
int tpm2_get_timeouts(struct tpm_chip *chip);
int tpm2_pcr_read(struct tpm_chip *chip, u32 pcr_idx, u8 *res_buf);
int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count,
- struct tpm2_digest *digests);
+ struct tpm_digest *digests);
int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max);
void tpm2_flush_context(struct tpm_chip *chip, u32 handle);
int tpm2_seal_trusted(struct tpm_chip *chip,
diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c
index e7d3228a0f37..3eb7e03889a0 100644
--- a/drivers/char/tpm/tpm1-cmd.c
+++ b/drivers/char/tpm/tpm1-cmd.c
@@ -703,7 +703,7 @@ int tpm1_auto_startup(struct tpm_chip *chip)
goto out;
}
- chip->allocated_banks[0] = TPM2_ALG_SHA1;
+ chip->allocated_banks[0] = TPM_ALG_SHA1;
chip->nr_allocated_banks = 1;
return rc;
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index bd20b9a61fc0..440ae6ee29e4 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -33,11 +33,11 @@ struct tpm2_hash {
};
static struct tpm2_hash tpm2_hash_map[] = {
- {HASH_ALGO_SHA1, TPM2_ALG_SHA1},
- {HASH_ALGO_SHA256, TPM2_ALG_SHA256},
- {HASH_ALGO_SHA384, TPM2_ALG_SHA384},
- {HASH_ALGO_SHA512, TPM2_ALG_SHA512},
- {HASH_ALGO_SM3_256, TPM2_ALG_SM3_256},
+ {HASH_ALGO_SHA1, TPM_ALG_SHA1},
+ {HASH_ALGO_SHA256, TPM_ALG_SHA256},
+ {HASH_ALGO_SHA384, TPM_ALG_SHA384},
+ {HASH_ALGO_SHA512, TPM_ALG_SHA512},
+ {HASH_ALGO_SM3_256, TPM_ALG_SM3_256},
};
int tpm2_get_timeouts(struct tpm_chip *chip)
@@ -192,7 +192,7 @@ int tpm2_pcr_read(struct tpm_chip *chip, u32 pcr_idx, u8 *res_buf)
pcr_select[pcr_idx >> 3] = 1 << (pcr_idx & 0x7);
tpm_buf_append_u32(&buf, 1);
- tpm_buf_append_u16(&buf, TPM2_ALG_SHA1);
+ tpm_buf_append_u16(&buf, TPM_ALG_SHA1);
tpm_buf_append_u8(&buf, TPM2_PCR_SELECT_MIN);
tpm_buf_append(&buf, (const unsigned char *)pcr_select,
sizeof(pcr_select));
@@ -226,7 +226,7 @@ struct tpm2_null_auth_area {
* Return: Same as with tpm_transmit_cmd.
*/
int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count,
- struct tpm2_digest *digests)
+ struct tpm_digest *digests)
{
struct tpm_buf buf;
struct tpm2_null_auth_area auth_area;
@@ -443,7 +443,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip,
/* public */
tpm_buf_append_u16(&buf, 14 + options->policydigest_len);
- tpm_buf_append_u16(&buf, TPM2_ALG_KEYEDHASH);
+ tpm_buf_append_u16(&buf, TPM_ALG_KEYEDHASH);
tpm_buf_append_u16(&buf, hash);
/* policy */
@@ -458,7 +458,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip,
}
/* public parameters */
- tpm_buf_append_u16(&buf, TPM2_ALG_NULL);
+ tpm_buf_append_u16(&buf, TPM_ALG_NULL);
tpm_buf_append_u16(&buf, 0);
/* outside info */