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Date: Sat, 9 Oct 2021 21:08:27 +0800
From: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To: James Bottomley <jejb@...ux.ibm.com>,
Jarkko Sakkinen <jarkko@...nel.org>,
Mimi Zohar <zohar@...ux.ibm.com>,
Jonathan Corbet <corbet@....net>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
Peter Huewe <peterhuewe@....de>,
Jason Gunthorpe <jgg@...pe.ca>,
David Howells <dhowells@...hat.com>,
James Morris <jmorris@...ei.org>,
"Serge E. Hallyn" <serge@...lyn.com>,
Jerry Snitselaar <jsnitsel@...hat.com>,
linux-integrity@...r.kernel.org, keyrings@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-crypto@...r.kernel.org, linux-security-module@...r.kernel.org
Cc: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Subject: [PATCH 1/2] crypto: use SM3 instead of SM3_256
According to https://tools.ietf.org/id/draft-oscca-cfrg-sm3-01.html,
SM3 always produces a 256-bit hash value and there are no plans for
other length development, so there is no ambiguity in the name of sm3.
Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
---
Documentation/security/keys/trusted-encrypted.rst | 2 +-
crypto/hash_info.c | 4 ++--
drivers/char/tpm/tpm2-cmd.c | 2 +-
include/crypto/hash_info.h | 2 +-
include/uapi/linux/hash_info.h | 2 +-
security/keys/trusted-keys/trusted_tpm2.c | 2 +-
6 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/Documentation/security/keys/trusted-encrypted.rst b/Documentation/security/keys/trusted-encrypted.rst
index 80d5a5af62a1..3292461517f6 100644
--- a/Documentation/security/keys/trusted-encrypted.rst
+++ b/Documentation/security/keys/trusted-encrypted.rst
@@ -162,7 +162,7 @@ Usage::
default 1 (resealing allowed)
hash= hash algorithm name as a string. For TPM 1.x the only
allowed value is sha1. For TPM 2.x the allowed values
- are sha1, sha256, sha384, sha512 and sm3-256.
+ are sha1, sha256, sha384, sha512 and sm3.
policydigest= digest for the authorization policy. must be calculated
with the same hash algorithm as specified by the 'hash='
option.
diff --git a/crypto/hash_info.c b/crypto/hash_info.c
index a49ff96bde77..fe0119407219 100644
--- a/crypto/hash_info.c
+++ b/crypto/hash_info.c
@@ -26,7 +26,7 @@ const char *const hash_algo_name[HASH_ALGO__LAST] = {
[HASH_ALGO_TGR_128] = "tgr128",
[HASH_ALGO_TGR_160] = "tgr160",
[HASH_ALGO_TGR_192] = "tgr192",
- [HASH_ALGO_SM3_256] = "sm3",
+ [HASH_ALGO_SM3] = "sm3",
[HASH_ALGO_STREEBOG_256] = "streebog256",
[HASH_ALGO_STREEBOG_512] = "streebog512",
};
@@ -50,7 +50,7 @@ const int hash_digest_size[HASH_ALGO__LAST] = {
[HASH_ALGO_TGR_128] = TGR128_DIGEST_SIZE,
[HASH_ALGO_TGR_160] = TGR160_DIGEST_SIZE,
[HASH_ALGO_TGR_192] = TGR192_DIGEST_SIZE,
- [HASH_ALGO_SM3_256] = SM3256_DIGEST_SIZE,
+ [HASH_ALGO_SM3] = SM3_DIGEST_SIZE,
[HASH_ALGO_STREEBOG_256] = STREEBOG256_DIGEST_SIZE,
[HASH_ALGO_STREEBOG_512] = STREEBOG512_DIGEST_SIZE,
};
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index a25815a6f625..20f55de9d87b 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -19,7 +19,7 @@ static struct tpm2_hash tpm2_hash_map[] = {
{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},
+ {HASH_ALGO_SM3, TPM_ALG_SM3_256},
};
int tpm2_get_timeouts(struct tpm_chip *chip)
diff --git a/include/crypto/hash_info.h b/include/crypto/hash_info.h
index dd4f06785049..c1e6b2884732 100644
--- a/include/crypto/hash_info.h
+++ b/include/crypto/hash_info.h
@@ -32,7 +32,7 @@
#define TGR192_DIGEST_SIZE 24
/* not defined in include/crypto/ */
-#define SM3256_DIGEST_SIZE 32
+#define SM3_DIGEST_SIZE 32
extern const char *const hash_algo_name[HASH_ALGO__LAST];
extern const int hash_digest_size[HASH_ALGO__LAST];
diff --git a/include/uapi/linux/hash_info.h b/include/uapi/linux/hash_info.h
index 74a8609fcb4d..1355525dd4aa 100644
--- a/include/uapi/linux/hash_info.h
+++ b/include/uapi/linux/hash_info.h
@@ -32,7 +32,7 @@ enum hash_algo {
HASH_ALGO_TGR_128,
HASH_ALGO_TGR_160,
HASH_ALGO_TGR_192,
- HASH_ALGO_SM3_256,
+ HASH_ALGO_SM3,
HASH_ALGO_STREEBOG_256,
HASH_ALGO_STREEBOG_512,
HASH_ALGO__LAST
diff --git a/security/keys/trusted-keys/trusted_tpm2.c b/security/keys/trusted-keys/trusted_tpm2.c
index 0165da386289..52a696035176 100644
--- a/security/keys/trusted-keys/trusted_tpm2.c
+++ b/security/keys/trusted-keys/trusted_tpm2.c
@@ -23,7 +23,7 @@ static struct tpm2_hash tpm2_hash_map[] = {
{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},
+ {HASH_ALGO_SM3, TPM_ALG_SM3_256},
};
static u32 tpm2key_oid[] = { 2, 23, 133, 10, 1, 5 };
--
2.19.1.3.ge56e4f7
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