[PATCH v2 0/3] TPM2: select hash algorithm for a trusted key

Jarkko Sakkinen (3):
  keys, trusted: select the hash algorithm
  crypto: add entry for sm3-256
  tpm: choose hash algorithm for sealing when using TPM 2.0

 Documentation/security/keys-trusted-encrypted.txt |  3 ++
 crypto/hash_info.c                                |  2 ++
 drivers/char/tpm/tpm.h                            | 10 ++++--
 drivers/char/tpm/tpm2-cmd.c                       | 42 +++++++++++++++++++++--
 include/crypto/hash_info.h                        |  3 ++
 include/keys/trusted-type.h                       |  1 +
 include/uapi/linux/hash_info.h                    |  1 +
 security/keys/Kconfig                             |  1 +
 security/keys/trusted.c                           | 20 ++++++++++-
 9 files changed, 76 insertions(+), 7 deletions(-)

-- 
2.5.0

Added entry for sm3-256 to the following tables:

* hash_algo_name
* hash_digest_size

Needed for TPM 2.0 trusted key sealing.

Signed-off-by: Jarkko Sakkinen <redacted>
---
 crypto/hash_info.c             | 2 ++
 include/crypto/hash_info.h     | 3 +++
 include/uapi/linux/hash_info.h | 1 +
 3 files changed, 6 insertions(+)

diff --git a/crypto/hash_info.c b/crypto/hash_info.c
index 3e7ff46..7b1e0b1 100644
--- a/crypto/hash_info.c
+++ b/crypto/hash_info.c

@@ -31,6 +31,7 @@ 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]	= "sm3-256",
 };
 EXPORT_SYMBOL_GPL(hash_algo_name);
 

@@ -52,5 +53,6 @@ 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,
 };
 EXPORT_SYMBOL_GPL(hash_digest_size);

diff --git a/include/crypto/hash_info.h b/include/crypto/hash_info.h
index e1e5a3e..56f217d 100644
--- a/include/crypto/hash_info.h
+++ b/include/crypto/hash_info.h

@@ -34,6 +34,9 @@
 #define TGR160_DIGEST_SIZE 20
 #define TGR192_DIGEST_SIZE 24
 
+/* not defined in include/crypto/ */
+#define SM3256_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 ca18c45..ebf8fd8 100644
--- a/include/uapi/linux/hash_info.h
+++ b/include/uapi/linux/hash_info.h

@@ -31,6 +31,7 @@ enum hash_algo {
 	HASH_ALGO_TGR_128,
 	HASH_ALGO_TGR_160,
 	HASH_ALGO_TGR_192,
+	HASH_ALGO_SM3_256,
 	HASH_ALGO__LAST
 };
 

-- 
2.5.0